From f1ff7472f2525421c09b31e95974740bd6998dcf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Fri, 4 Jun 2021 00:00:27 +0800 Subject: [PATCH 01/15] =?UTF-8?q?=E8=BF=99=E6=98=AF=E4=BA=8B=E9=A1=B9?= =?UTF-8?q?=E5=BE=85=E5=8A=9E=E5=BA=94=E7=94=A8=E7=9A=84=E5=9F=BA=E6=9C=AC?= =?UTF-8?q?=E9=A1=B5=E9=9D=A2=EF=BC=8C=E5=88=9B=E5=BB=BA=E8=8F=9C=E5=8D=95?= =?UTF-8?q?=E5=92=8C=E8=8F=9C=E5=8D=95=E9=A1=B9=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/MainClass.java | 11 +++++++++ src/java2020spring/TodolistFrame.java | 32 +++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 src/java2020spring/MainClass.java create mode 100644 src/java2020spring/TodolistFrame.java diff --git a/src/java2020spring/MainClass.java b/src/java2020spring/MainClass.java new file mode 100644 index 0000000..05112c8 --- /dev/null +++ b/src/java2020spring/MainClass.java @@ -0,0 +1,11 @@ +package java2020spring; +public class MainClass { +public static void main(String args[]) { + //TodolistFrame frame=new TodolistFrame("todolist",30,50,300,250); + //new TodolistFrame(); + CalendarFrame frame =new CalendarFrame(); + frame.setBounds(100,100,360,300); + frame.setVisible(true); + frame.setYearAndMonth(2021,6); +} +} diff --git a/src/java2020spring/TodolistFrame.java b/src/java2020spring/TodolistFrame.java new file mode 100644 index 0000000..3d3c105 --- /dev/null +++ b/src/java2020spring/TodolistFrame.java @@ -0,0 +1,32 @@ +package java2020spring; +import javax.swing.*; + +import java.awt.event.InputEvent; +import static javax.swing.JFrame.*; +public class TodolistFrame extends JFrame{ + JMenuBar menubar; + JMenu menu1,menu2; + JMenuItem item1,item2; + public TodolistFrame() {} + public TodolistFrame(String s,int x,int y,int w,int h) { + init(s); + setLocation(x,y); + setSize(w,h); + setVisible(true); + setDefaultCloseOperation(DISPOSE_ON_CLOSE); + } + void init(String s) { + setTitle(s); + menubar=new JMenuBar(); + menu1=new JMenu("每日事项"); + menu2=new JMenu("日历视图"); + item1=new JMenuItem("未完成",new ImageIcon("a.gif")); + item2=new JMenuItem("已完成",new ImageIcon("b.gif")); + menu1.add(item1); + menu1.addSeparator(); + menu1.add(item2); + menubar.add(menu1); + menubar.add(menu2); + setJMenuBar(menubar); + } +} -- Gitee From 1de22b29450182ea7120a57e402c0d455fb75ac1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Sun, 6 Jun 2021 00:00:15 +0800 Subject: [PATCH 02/15] =?UTF-8?q?=E4=BB=8A=E5=A4=A9=E5=81=9A=E4=BA=86?= =?UTF-8?q?=E4=B8=80=E4=B8=AA=E6=97=A5=E5=8E=86=E8=A7=86=E5=9B=BE=EF=BC=8C?= =?UTF-8?q?=E7=BB=99=E6=97=A5=E6=9C=9F=E6=B7=BB=E5=8A=A0=E4=BA=86=E6=8C=89?= =?UTF-8?q?=E9=92=AE=E4=BA=8B=E4=BB=B6=E4=BD=BF=E5=AE=83=E5=BC=B9=E5=87=BA?= =?UTF-8?q?=E6=96=87=E6=9C=AC=E6=A1=86=E7=95=8C=E9=9D=A2=EF=BC=8C=E4=BD=86?= =?UTF-8?q?=E5=9C=A8TodolistFrame=E9=87=8C=E8=BF=98=E6=B2=A1=E5=AE=8C?= =?UTF-8?q?=E5=85=A8=E5=BB=BA=E7=AB=8B=E4=B8=BB=E7=95=8C=E9=9D=A2=E5=AF=B9?= =?UTF-8?q?=E6=97=A5=E5=8E=86=E8=A7=86=E5=9B=BE=E7=9A=84=E7=9B=91=E5=90=AC?= =?UTF-8?q?=E3=80=82=E7=8E=B0=E5=9C=A8=E8=BF=98=E5=90=84=E6=98=AF=E7=8B=AC?= =?UTF-8?q?=E7=AB=8B=E7=9A=84=E7=89=88=E5=9D=97=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/CalendarBean.java | 40 ++++++++++++ src/java2020spring/CalendarFrame.java | 92 +++++++++++++++++++++++++++ src/java2020spring/MyButton.java | 62 ++++++++++++++++++ src/java2020spring/TodolistFrame.java | 18 +++++- 4 files changed, 210 insertions(+), 2 deletions(-) create mode 100644 src/java2020spring/CalendarBean.java create mode 100644 src/java2020spring/CalendarFrame.java create mode 100644 src/java2020spring/MyButton.java diff --git a/src/java2020spring/CalendarBean.java b/src/java2020spring/CalendarBean.java new file mode 100644 index 0000000..2dec80b --- /dev/null +++ b/src/java2020spring/CalendarBean.java @@ -0,0 +1,40 @@ +package java2020spring; +import java.util.Calendar; +public class CalendarBean { +String day[]; +int year =2005,month=0; +public void setYear(int year) { + this.year=year; +} +public int getYear() { + return year; +} +public void setMonth(int month) { + this.month=month; +} +public int getMonth(){ + return month; +} +public String[] getCalendar() { + String a[]=new String[42]; + Calendar 日历=Calendar.getInstance(); + 日历.set(year, month-1, 1); + int 星期几=日历.get(Calendar.DAY_OF_WEEK)-1; + int day=0; + if(month==1||month==3||month==5||month==7||month==8||month==10||month==12) + day=31; + if(month==4||month==6||month==9||month==11) + day=30; + if(month==2) { + if(((year%4==0)&&(year%100!=0))||(year%400==0)) + day=29; + else + day=28; + } + for(int i=星期几,n=1;i<星期几+day;i++) { + a[i]=String.valueOf(n); + n++; + } + return a; +} +} diff --git a/src/java2020spring/CalendarFrame.java b/src/java2020spring/CalendarFrame.java new file mode 100644 index 0000000..c683658 --- /dev/null +++ b/src/java2020spring/CalendarFrame.java @@ -0,0 +1,92 @@ +package java2020spring; +import java.util.*; +import java.awt.*; +import java.awt.event.*; +import javax.swing.*; +import javax.swing.border.*; + +public class CalendarFrame extends JFrame implements ActionListener{ + MyButton buttonDay[]=new MyButton[42]; + JButton titleName[]=new JButton[7]; + //OperatorListener operator; + //operator=new OperatorListener(); + JFrame f; + + String name[]= {"日","一","二","三","四","五","六"}; + JButton nextMonth,previousMonth; + CalendarBean calendar; + JLabel showMessage=new JLabel("",JLabel.CENTER); + int year=2011,month=2; + public CalendarFrame() { + JPanel pCenter=new JPanel(); + pCenter.setLayout(new GridLayout(7,7));//1 + + for (int i=0;i<7;i++) { + titleName[i]=new JButton(name[i]); + titleName[i].setBorder(new SoftBevelBorder(BevelBorder.RAISED)); + pCenter.add(titleName[i]); + } + for(int i=0;i<42;i++) { + buttonDay[i]=new MyButton(); + buttonDay[i].addActionListener(buttonDay[i]); + buttonDay[i].setBorder(new SoftBevelBorder(BevelBorder.LOWERED)); + pCenter.add(buttonDay[i]); + + } + + calendar=new CalendarBean(); + nextMonth=new JButton("下月"); + previousMonth=new JButton("上月"); + nextMonth.addActionListener(this); + JPanel pNorth=new JPanel(), + pSouth=new JPanel(); + pNorth.add(previousMonth); + pNorth.add(nextMonth); + pSouth.add(showMessage); + add(pCenter,BorderLayout.CENTER); + + add(pNorth,BorderLayout.NORTH); + add(pSouth,BorderLayout.SOUTH); + + setYearAndMonth(year,month); + setDefaultCloseOperation(DISPOSE_ON_CLOSE); + } + public void setYearAndMonth(int y,int m) { + calendar.setYear(y); + calendar.setMonth(m); + String day[]=calendar.getCalendar(); + for(int i=0;i<42;i++) + buttonDay[i].setText(day[i]); + showMessage.setText("日历："+calendar.getYear()+"年"+calendar.getMonth()+"月");} + +public void actionPerformed(ActionEvent e) { + if(e.getSource()==nextMonth) { + + month=month+1; + if(month>12) + month=1; + calendar.setMonth(month); + String day[]=calendar.getCalendar(); + for(int i=0;i<42;i++) { + buttonDay[i].setText(day[i]); + + + } + + } + else if (e.getSource()==previousMonth) { + month=month-1; + if(month<1) + month=12; + calendar.setMonth(month); + String day[]=calendar.getCalendar(); + for(int i=0;i<42;i++) { + buttonDay[i].setText(day[i]); + + + } + } + showMessage.setText("日历："+calendar.getYear()+"年"+calendar.getMonth()+"月"); + } +} + diff --git a/src/java2020spring/MyButton.java b/src/java2020spring/MyButton.java new file mode 100644 index 0000000..7454281 --- /dev/null +++ b/src/java2020spring/MyButton.java @@ -0,0 +1,62 @@ +package java2020spring; + +import java.awt.BorderLayout; +import java.awt.Container; +import java.awt.GridLayout; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; + +import javax.swing.JButton; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JPanel; +import javax.swing.JScrollPane; +import javax.swing.JSplitPane; +import javax.swing.JTextArea; + +public class MyButton extends JButton implements ActionListener{ + public void MyButton() { + +} + + @Override + public void actionPerformed(ActionEvent e) { + + GridLayout layout=new GridLayout(2,2); + JFrame f=new JFrame("things"); + f.setBounds(100,200,288,308); + f.setLayout(layout); + + JSplitPane []p=new JSplitPane[4]; + JTextArea []Area=new JTextArea[4]; + JLabel label[]=new JLabel[4]; + label[0]=new JLabel("重要不紧急"); + label[1]=new JLabel("重要且紧急"); + label[2]=new JLabel("不重要不紧急"); + label[3]=new JLabel("不重要但紧急"); + for (int j=0;j<4;j++) { + + Area[j]=new JTextArea(30,90); + p[j]=new JSplitPane(HORIZONTAL,label[j],new JScrollPane(Area[j])); + + f.add(p[j]); + } + + + +// p[0].add(new JLabel("重要不紧急"),BorderLayout.NORTH); +// p[0].add(new JScrollPane(Area[0]),BorderLayout.SOUTH); +// p[1].add(new JLabel("重要且紧急"),BorderLayout.NORTH); +// p[1].add(new JScrollPane(Area[1]),BorderLayout.CENTER); +// p[2].add(new JLabel("不重要不紧急"),BorderLayout.NORTH); +// p[2].add(new JScrollPane(Area[2]),BorderLayout.CENTER); +// p[3].add(new JLabel("不重要但紧急"),BorderLayout.NORTH); +// p[3].add(new JScrollPane(Area[3]),BorderLayout.CENTER); + + + f.setVisible(true); + f.setDefaultCloseOperation(f.DISPOSE_ON_CLOSE); + + + } + } \ No newline at end of file diff --git a/src/java2020spring/TodolistFrame.java b/src/java2020spring/TodolistFrame.java index 3d3c105..8651d06 100644 --- a/src/java2020spring/TodolistFrame.java +++ b/src/java2020spring/TodolistFrame.java @@ -1,11 +1,13 @@ package java2020spring; import javax.swing.*; - +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; import java.awt.event.InputEvent; import static javax.swing.JFrame.*; public class TodolistFrame extends JFrame{ JMenuBar menubar; - JMenu menu1,menu2; + JMenu menu1; + JMenu menu2; JMenuItem item1,item2; public TodolistFrame() {} public TodolistFrame(String s,int x,int y,int w,int h) { @@ -20,6 +22,18 @@ public class TodolistFrame extends JFrame{ menubar=new JMenuBar(); menu1=new JMenu("每日事项"); menu2=new JMenu("日历视图"); + menu2.addActionListener(new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + if(e.getSource()==menu2) { + CalendarFrame frame =new CalendarFrame(); + frame.setBounds(100,100,360,300); + frame.setYearAndMonth(2021,6); + setVisible(true); + setDefaultCloseOperation(DISPOSE_ON_CLOSE);} + + } + }); item1=new JMenuItem("未完成",new ImageIcon("a.gif")); item2=new JMenuItem("已完成",new ImageIcon("b.gif")); menu1.add(item1); -- Gitee From 674ba5808a5e67cc9479c69233749eef524728a2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Mon, 7 Jun 2021 00:07:27 +0800 Subject: [PATCH 03/15] =?UTF-8?q?=E4=B8=BA=E8=AE=B0=E4=BA=8B=E6=9C=AC?= =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E4=BA=86=E5=9F=BA=E6=9C=AC=E7=9A=84=E7=95=8C?= =?UTF-8?q?=E9=9D=A2=E4=B8=8E=E6=A1=86=E6=9E=B6=EF=BC=8C=E5=8C=85=E6=8B=AC?= =?UTF-8?q?=E5=BF=AB=E6=8D=B7=E9=94=AE=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 1235 ++++++++++++++++++++++ 1 file changed, 1235 insertions(+) create mode 100644 src/java2020spring/NotepadMainFrame.java diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java new file mode 100644 index 0000000..7538f5d --- /dev/null +++ b/src/java2020spring/NotepadMainFrame.java @@ -0,0 +1,1235 @@ +package java2020spring; +import java.awt.BorderLayout; +import java.awt.Color; +import java.awt.Component; +import java.awt.Container; +import java.awt.Dimension; +import java.awt.Event; +import java.awt.EventQueue; +import java.awt.FlowLayout; +import java.awt.Font; +import java.awt.Graphics; +import java.awt.GridLayout; +import java.awt.PrintJob; +import java.awt.datatransfer.Clipboard; +import java.awt.datatransfer.DataFlavor; +import java.awt.datatransfer.StringSelection; +import java.awt.datatransfer.Transferable; +import java.awt.datatransfer.UnsupportedFlavorException; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.InputEvent; +import java.awt.event.KeyAdapter; +import java.awt.event.KeyEvent; +import java.awt.event.MouseAdapter; +import java.awt.event.MouseEvent; +import java.awt.event.WindowAdapter; +import java.awt.event.WindowEvent; +import java.awt.print.PageFormat; +import java.awt.print.PrinterJob; +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileWriter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.Calendar; +import java.util.GregorianCalendar; + +import javax.swing.BorderFactory; +import javax.swing.ButtonGroup; +import javax.swing.JButton; +import javax.swing.JCheckBox; +import javax.swing.JCheckBoxMenuItem; +import javax.swing.JColorChooser; +import javax.swing.JDialog; +import javax.swing.JFileChooser; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JMenu; +import javax.swing.JMenuBar; +import javax.swing.JMenuItem; +import javax.swing.JOptionPane; +import javax.swing.JPanel; +import javax.swing.JPopupMenu; +import javax.swing.JRadioButton; +import javax.swing.JScrollPane; +import javax.swing.JSeparator; +import javax.swing.JTextArea; +import javax.swing.JTextField; +import javax.swing.JToolBar; +import javax.swing.KeyStroke; +import javax.swing.UIManager; +import javax.swing.UnsupportedLookAndFeelException; +import javax.swing.border.EmptyBorder; +import javax.swing.event.CaretEvent; +import javax.swing.event.CaretListener; +import javax.swing.undo.UndoManager; + + +public class NotepadMainFrame extends JFrame implements ActionListener{ + /** + * 序列号 + */ + private static final long serialVersionUID = 8585210209467333480L; + private JPanel contentPane; + private JTextArea textArea; + private JMenuItem itemOpen; + private JMenuItem itemSave; + + //1：新建 + //2：修改过 + //3：保存过的 + int flag=0; + + //当前文件名 + String currentFileName=null; + + PrintJob p=null;//声明一个要打印的对象 + Graphics g=null;//要打印的对象 + + //当前文件路径 + String currentPath=null; + + //背景颜色 + JColorChooser jcc1=null; + Color color=Color.BLACK; + + //文本的行数和列数 + int linenum = 1; + int columnnum = 1; + + //撤销管理器 + public UndoManager undoMgr = new UndoManager(); + + //剪贴板 + public Clipboard clipboard = new Clipboard("系统剪切板"); + + private JMenuItem itemSaveAs; + private JMenuItem itemNew; + private JMenuItem itemPage; + private JSeparator separator; + private JMenuItem itemPrint; + private JMenuItem itemExit; + private JSeparator separator_1; + private JMenu itemEdit; + private JMenu itFormat; + private JMenu itemCheck; + private JMenu itemHelp; + private JMenuItem itemSearchForHelp; + private JMenuItem itemAboutNotepad; + private JMenuItem itemUndo; + private JMenuItem itemCut; + private JMenuItem itemCopy; + private JMenuItem itemPaste; + private JMenuItem itemDelete; + private JMenuItem itemFind; + private JMenuItem itemFindNext; + private JMenuItem itemReplace; + private JMenuItem itemTurnTo; + private JMenuItem itemSelectAll; + private JMenuItem itemTime; + private JMenuItem itemFont; + private JMenuItem itemColor; + private JMenuItem itemFontColor; + private JCheckBoxMenuItem itemNextLine; + private JScrollPane scrollPane; + private JCheckBoxMenuItem itemStatement; + private JToolBar toolState; + public static JLabel label1; + private JLabel label2; + private JLabel label3; + int length=0; + int sum=0; + + /** + * Launch the application. + */ + public static void main(String[] args) { + EventQueue.invokeLater(new Runnable() { + public void run() { + try { + NotepadMainFrame frame = new NotepadMainFrame(); + frame.setVisible(true); + } catch (Exception e) { + e.printStackTrace(); + } + } + }); + } + + GregorianCalendar c=new GregorianCalendar(); + int hour=c.get(Calendar.HOUR_OF_DAY); + int min=c.get(Calendar.MINUTE); + int second=c.get(Calendar.SECOND); + private JPopupMenu popupMenu; + private JMenuItem popM_Undo; + private JMenuItem popM_Cut; + private JMenuItem popM_Copy; + private JMenuItem popM_Paste; + private JMenuItem popM_Delete; + private JMenuItem popM_SelectAll; + private JMenuItem popM_toLeft; + private JMenuItem popM_showUnicode; + private JMenuItem popM_closeIMe; + private JMenuItem popM_InsertUnicode; + private JMenuItem popM_RestartSelect; + private JSeparator separator_2; + private JSeparator separator_3; + private JSeparator separator_4; + private JSeparator separator_5; + private JMenuItem itemRedo; + private JSeparator separator_6; + private JSeparator separator_7; + private JSeparator separator_8; + private JMenuItem popM_Redo; + + /** + * Create the frame. + */ + public NotepadMainFrame() { + try { + UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); + } catch (ClassNotFoundException e1) { + e1.printStackTrace(); + } catch (InstantiationException e1) { + e1.printStackTrace(); + } catch (IllegalAccessException e1) { + e1.printStackTrace(); + } catch (UnsupportedLookAndFeelException e1) { + e1.printStackTrace(); + } + setTitle("无标题"); + setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); + setBounds(100, 100, 521, 572); + + JMenuBar menuBar = new JMenuBar(); + setJMenuBar(menuBar); + + JMenu itemFile = new JMenu("文件(F)"); + itemFile.setMnemonic('F'); + menuBar.add(itemFile); + + itemNew = new JMenuItem("新建(N)",'N'); + itemNew.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_N, + java.awt.Event.CTRL_MASK)); + itemNew.addActionListener(this); + itemFile.add(itemNew); + + itemOpen = new JMenuItem("打开(O)",'O'); + itemOpen.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O, + java.awt.Event.CTRL_MASK)); + itemOpen.addActionListener(this); + itemFile.add(itemOpen); + + itemSave = new JMenuItem("保存(S)"); + itemSave.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, + java.awt.Event.CTRL_MASK)); + itemSave.addActionListener(this); + itemFile.add(itemSave); + + itemSaveAs = new JMenuItem("另存为(A)"); + itemSaveAs.addActionListener(this); + itemFile.add(itemSaveAs); + + separator = new JSeparator(); + itemFile.add(separator); + + itemPage = new JMenuItem("页面设置(U)",'U'); + itemPage.addActionListener(this); + itemFile.add(itemPage); + + itemPrint = new JMenuItem("打印(P)...",'P'); + itemPrint.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_P, + java.awt.Event.CTRL_MASK)); + itemPrint.addActionListener(this); + itemFile.add(itemPrint); + + separator_1 = new JSeparator(); + itemFile.add(separator_1); + + itemExit = new JMenuItem("退出(X)",'X'); + itemExit.addActionListener(this); + itemFile.add(itemExit); + + itemEdit = new JMenu("编辑(E)"); + itemEdit.setMnemonic('E'); + menuBar.add(itemEdit); + + itemUndo = new JMenuItem("撤销(U)",'U'); + itemUndo.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Z, + java.awt.Event.CTRL_MASK)); + itemUndo.addActionListener(this); + itemEdit.add(itemUndo); + + itemRedo = new JMenuItem("恢复(R)"); + itemRedo.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_R, + java.awt.Event.CTRL_MASK)); + itemRedo.addActionListener(this); + itemEdit.add(itemRedo); + + itemCut = new JMenuItem("剪切(T)",'T'); + itemCut.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_X, + java.awt.Event.CTRL_MASK)); + itemCut.addActionListener(this); + + separator_6 = new JSeparator(); + itemEdit.add(separator_6); + itemEdit.add(itemCut); + + itemCopy = new JMenuItem("复制(C)",'C'); + itemCopy.addActionListener(this); + itemCopy.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, + java.awt.Event.CTRL_MASK)); + itemEdit.add(itemCopy); + + itemPaste = new JMenuItem("粘贴(P)",'P'); + itemPaste.addActionListener(this); + itemPaste.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_V, + java.awt.Event.CTRL_MASK)); + itemEdit.add(itemPaste); + + itemDelete = new JMenuItem("删除(L)",'L'); + itemDelete.addActionListener(this); + itemDelete.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, + InputEvent.CTRL_MASK)); + itemEdit.add(itemDelete); + + separator_7 = new JSeparator(); + itemEdit.add(separator_7); + + itemFind = new JMenuItem("查找(F)",'F'); + itemFind.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, + Event.CTRL_MASK)); + itemFind.addActionListener(this); + itemEdit.add(itemFind); + + itemFindNext = new JMenuItem("查找下一个(N)",'N'); + itemFindNext.setAccelerator(KeyStroke.getKeyStroke("F3")); + itemFindNext.addActionListener(this); + itemEdit.add(itemFindNext); + + itemReplace = new JMenuItem("替换(R)",'R'); + itemReplace.addActionListener(this); + itemReplace.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H, + Event.CTRL_MASK)); + itemEdit.add(itemReplace); + + itemTurnTo = new JMenuItem("转到(G)",'G'); + itemTurnTo.addActionListener(this); + itemTurnTo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_G, + Event.CTRL_MASK)); + itemEdit.add(itemTurnTo); + + itemSelectAll = new JMenuItem("全选(A)",'A'); + itemSelectAll.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A, + java.awt.Event.CTRL_MASK)); + itemSelectAll.addActionListener(this); + + separator_8 = new JSeparator(); + itemEdit.add(separator_8); + itemEdit.add(itemSelectAll); + + itemTime = new JMenuItem("时间/日期(D)",'D'); + itemTime.addActionListener(this); + itemTime.setAccelerator(KeyStroke.getKeyStroke("F5")); + itemEdit.add(itemTime); + + itFormat = new JMenu("格式(O)"); + itFormat.setMnemonic('O'); + menuBar.add(itFormat); + + itemNextLine = new JCheckBoxMenuItem("自动换行(W)"); + itemNextLine.addActionListener(this); + itFormat.add(itemNextLine); + + itemFont = new JMenuItem("字体大小(F)..."); + itemFont.addActionListener(this); + itFormat.add(itemFont); + + itemColor = new JMenuItem("背景颜色(C)..."); + itemColor.addActionListener(this); + itFormat.add(itemColor); + + itemFontColor = new JMenuItem("字体颜色(I)..."); + itemFontColor.addActionListener(this); + itFormat.add(itemFontColor); + + itemCheck = new JMenu("查看(V)"); + itemCheck.setMnemonic('V'); + menuBar.add(itemCheck); + + itemStatement = new JCheckBoxMenuItem("状态栏(S)"); + itemStatement.addActionListener(this); + itemCheck.add(itemStatement); + + itemHelp = new JMenu("帮助(H)"); + itemHelp.setMnemonic('H'); + menuBar.add(itemHelp); + + itemSearchForHelp = new JMenuItem("查看帮助(H)",'H'); + itemSearchForHelp.addActionListener(this); + itemHelp.add(itemSearchForHelp); + + itemAboutNotepad = new JMenuItem("关于记事本(A)",'A'); + itemAboutNotepad.addActionListener(this); + itemHelp.add(itemAboutNotepad); + contentPane = new JPanel(); + contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); + //设置边框布局 + contentPane.setLayout(new BorderLayout(0, 0)); + setContentPane(contentPane); + + textArea = new JTextArea(); + + //VERTICAL垂直 HORIZONTAL水平 + scrollPane = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); + + //contentPane2=new JPanel(); + //contentPane2.setSize(10,textArea.getSize().height); + //contentPane.add(contentPane2, BorderLayout.WEST); + + + + popupMenu = new JPopupMenu(); + addPopup(textArea, popupMenu); + + popM_Undo = new JMenuItem("撤销(U)"); + popM_Undo.addActionListener(this); + popupMenu.add(popM_Undo); + + popM_Redo = new JMenuItem("恢复(R)"); + popM_Redo.addActionListener(this); + popupMenu.add(popM_Redo); + + separator_2 = new JSeparator(); + popupMenu.add(separator_2); + + popM_Cut = new JMenuItem("剪切(T)"); + popM_Cut.addActionListener(this); + popupMenu.add(popM_Cut); + + popM_Copy = new JMenuItem("复制(C)"); + popM_Copy.addActionListener(this); + popupMenu.add(popM_Copy); + + popM_Paste = new JMenuItem("粘贴(P)"); + popM_Paste.addActionListener(this); + popupMenu.add(popM_Paste); + + popM_Delete = new JMenuItem("删除(D)"); + popM_Delete.addActionListener(this); + popupMenu.add(popM_Delete); + + separator_3 = new JSeparator(); + popupMenu.add(separator_3); + + popM_SelectAll = new JMenuItem("全选(A)"); + popM_SelectAll.addActionListener(this); + popupMenu.add(popM_SelectAll); + + separator_4 = new JSeparator(); + popupMenu.add(separator_4); + + popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); + popM_toLeft.addActionListener(this); + popupMenu.add(popM_toLeft); + + popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); + popM_showUnicode.addActionListener(this); + popupMenu.add(popM_showUnicode); + + popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); + popM_InsertUnicode.addActionListener(this); + popupMenu.add(popM_InsertUnicode); + + separator_5 = new JSeparator(); + popupMenu.add(separator_5); + + popM_closeIMe = new JMenuItem("关闭IME(L)"); + popM_closeIMe.addActionListener(this); + popupMenu.add(popM_closeIMe); + + popM_RestartSelect = new JMenuItem("汉字重选(R)"); + popM_RestartSelect.addActionListener(this); + popupMenu.add(popM_RestartSelect); + //添加到面板中【中间】 + contentPane.add(scrollPane, BorderLayout.CENTER); + + //添加撤销管理器 + textArea.getDocument().addUndoableEditListener(undoMgr); + + + toolState = new JToolBar(); + toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); + label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); + toolState.add(label1); + toolState.addSeparator(); + label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); + toolState.add(label2); + toolState.addSeparator(); + + label3 = new JLabel(" 一共 " +length+" 字 "); + toolState.add(label3); + textArea.addCaretListener(new CaretListener() { //记录行数和列数 + public void caretUpdate(CaretEvent e) { + //sum=0; + JTextArea editArea = (JTextArea)e.getSource(); + + try { + int caretpos = editArea.getCaretPosition(); + linenum = editArea.getLineOfOffset(caretpos); + columnnum = caretpos - textArea.getLineStartOffset(linenum); + linenum += 1; + label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); + //sum+=columnnum+1; + //length+=sum; + length=NotepadMainFrame.this.textArea.getText().toString().length(); + label3.setText(" 一共 " +length+" 字 "); + } + catch(Exception ex) { } + }}); + + contentPane.add(toolState, BorderLayout.SOUTH); + toolState.setVisible(false); + toolState.setFloatable(false); + + + + + // 创建弹出菜单 + final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 + textArea.addMouseListener(new MouseAdapter() { + @Override + public void mouseClicked(MouseEvent e) { + if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 + { + jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 + } + } + }); + + isChanged(); + + this.MainFrameWidowListener(); + } + + + /*===============================1====================================*/ + /** + * 是否有变化 + */ + private void isChanged() { + textArea.addKeyListener(new KeyAdapter() { + @Override + public void keyTyped(KeyEvent e) { + //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 + Character c=e.getKeyChar(); + if(c != null && !textArea.getText().toString().equals("")){ + flag=2; + } + } + }); + } + /*===================================================================*/ + + + /*===============================2====================================*/ + /** + * 新建的或保存过的退出只有两个选择 + */ + private void MainFrameWidowListener() { + this.addWindowListener(new WindowAdapter(){ + @Override + public void windowClosing(WindowEvent e) { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + } + } + }); + } + /*===================================================================*/ + + + /*==============================3=====================================*/ + /** + * 行为动作 + */ + public void actionPerformed(ActionEvent e) { + if(e.getSource()==itemOpen){ //打开 + openFile(); + }else if(e.getSource()==itemSave){ //保存 + //如果该文件是打开的，就可以直接保存 + save(); + }else if(e.getSource()==itemSaveAs){ //另存为 + saveAs(); + }else if(e.getSource()==itemNew){ //新建 + newFile(); + }else if(e.getSource()==itemExit){ //退出 + exit(); + }else if(e.getSource()==itemPage){ //页面设置 + ///页面设置，百度到的，不知道具体的用法 + PageFormat pf = new PageFormat(); + PrinterJob.getPrinterJob().pageDialog(pf); + }else if(e.getSource()==itemPrint){ //打印 + //打印机 + Print(); + }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 + if(undoMgr.canUndo()){ + undoMgr.undo(); + } + }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 + if(undoMgr.canRedo()){ + undoMgr.redo(); + } + }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 + cut(); + }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 + copy(); + }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 + paste(); + }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 + String tem=textArea.getText().toString(); + textArea.setText(tem.substring(0,textArea.getSelectionStart())); + }else if(e.getSource()==itemFind){ //查找 + mySearch(); + }else if(e.getSource()==itemFindNext){ //查找下一个 + mySearch(); + }else if(e.getSource()==itemReplace){ //替换 + mySearch(); + }else if(e.getSource()==itemTurnTo){ //转到 + turnTo(); + }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 + textArea.selectAll(); + }else if(e.getSource()==itemTime){ //时间/日期 + textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); + }else if(e.getSource()==itemNextLine){ //设置自动换行 + //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 + if(itemNextLine.isSelected()){ + textArea.setLineWrap(true); + }else{ + textArea.setLineWrap(false); + } + }else if(e.getSource()==itemFont){ //设置字体大小 + // 构造字体选择器，参数字体为预设值 + // MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); + //fontChooser.showFontDialog(this); + // Font font = fontChooser.getSelectFont(); + // 将字体设置到JTextArea中 + //textArea.setFont(font); + }else if(e.getSource()==itemColor){ //设置背景颜色 + jcc1 = new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); + color = jcc1.getColor(); + textArea.setBackground(color); + }else if(e.getSource()==itemFontColor){ //设置字体颜色 + jcc1=new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); + color = jcc1.getColor(); + //String string=textArea.getSelectedText(); + textArea.setForeground(color); + }else if(e.getSource()==itemStatement){ //设置状态 + if(itemStatement.isSelected()){ + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); + toolState.setVisible(true); + }else{ + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); + toolState.setVisible(false); + } + }else if(e.getSource()==itemSearchForHelp){ + JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); + }else if(e.getSource()==itemAboutNotepad){ + JOptionPane.showMessageDialog(this, "哈哈","说明文档",1); + } + } + /*===================================================================*/ + + + private void turnTo() { + final JDialog gotoDialog = new JDialog(this, "转到下列行"); + JLabel gotoLabel = new JLabel("行数(L):"); + final JTextField linenum = new JTextField(5); + linenum.setText("1"); + linenum.selectAll(); + + JButton okButton = new JButton("确定"); + okButton.addActionListener(new ActionListener() { + + public void actionPerformed(ActionEvent e) { + int totalLine = textArea.getLineCount(); + int[] lineNumber = new int[totalLine + 1]; + String s = textArea.getText(); + int pos = 0, t = 0; + + while (true) { + pos = s.indexOf('\12', pos); + // System.out.println("引索pos:"+pos); + if (pos == -1) + break; + lineNumber[t++] = pos++; + } + + int gt = 1; + try { + gt = Integer.parseInt(linenum.getText()); + } catch (NumberFormatException efe) { + JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); + linenum.requestFocus(true); + return; + } + + if (gt < 2 || gt >= totalLine) { + if (gt < 2) + textArea.setCaretPosition(0); + else + textArea.setCaretPosition(s.length()); + } else + textArea.setCaretPosition(lineNumber[gt - 2] + 1); + + gotoDialog.dispose(); + } + + }); + + JButton cancelButton = new JButton("取消"); + cancelButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + gotoDialog.dispose(); + } + }); + + Container con = gotoDialog.getContentPane(); + con.setLayout(new FlowLayout()); + con.add(gotoLabel); + con.add(linenum); + con.add(okButton); + con.add(cancelButton); + + gotoDialog.setSize(200, 100); + gotoDialog.setResizable(false); + gotoDialog.setLocation(300, 280); + gotoDialog.setVisible(true); + } + + + /*===============================8====================================*/ + /** + * 推出按钮，和窗口的红叉实现一样的功能 + */ + private void exit() { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + } + } + /*===================================================================*/ + + + /*===============================4====================================*/ + /** + * 新建文件，只有改过的和保存过的需要处理 + */ + private void newFile() { + if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 + return; + }else if(flag==2 && this.currentPath==null){ //修改后 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); //另存为 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + return; + }else if(flag==2 && this.currentPath!=null ){ + //2、（保存的文件为3）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); //直接保存，有路径 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + }else if(flag==3){ //保存的文件 + this.textArea.setText(""); + flag=1; + this.setTitle("无标题"); + } + } + /*===================================================================*/ + + + /*===============================5====================================*/ + /** + * 另存为 + */ + private void saveAs() { + //打开保存框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showSaveDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件[文件名是自己输入的] + File file=choose.getSelectedFile(); + FileWriter fw=null; + //保存 + try { + fw=new FileWriter(file); + fw.write(textArea.getText()); + currentFileName=file.getName(); + currentPath=file.getAbsolutePath(); + //如果比较少，需要写 + fw.flush(); + this.flag=3; + this.setTitle(currentPath); + } catch (IOException e1) { + e1.printStackTrace(); + }finally{ + try { + if(fw!=null) fw.close(); + } catch (IOException e1) { + e1.printStackTrace(); + } + } + } + } + /*===================================================================*/ + + + /*===============================6====================================*/ + /** + * 保存 + */ + private void save() { + if(this.currentPath==null){ + this.saveAs(); + if(this.currentPath==null){ + return; + } + } + FileWriter fw=null; + //保存 + try { + fw=new FileWriter(new File(currentPath)); + fw.write(textArea.getText()); + //如果比较少，需要写 + fw.flush(); + flag=3; + this.setTitle(this.currentPath); + } catch (IOException e1) { + e1.printStackTrace(); + }finally{ + try { + if(fw!=null) fw.close(); + } catch (IOException e1) { + e1.printStackTrace(); + } + } + } + /*===================================================================*/ + + + /*================================7===================================*/ + /** + * 打开文件 + */ + private void openFile() { + if(flag==2 && this.currentPath==null){ + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); + } + }else if(flag==2 && this.currentPath!=null){ + //2、（打开的文件2，保存的文件3）条件下修改 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); + } + } + //打开文件选择框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showOpenDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件 + File file=choose.getSelectedFile(); + //打开已存在的文件，提前将文件名存起来 + currentFileName=file.getName(); + //存在文件全路径 + currentPath=file.getAbsolutePath(); + flag=3; + this.setTitle(this.currentPath); + BufferedReader br=null; + try { + //建立文件流[字符流] + InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); + br=new BufferedReader(isr);//动态绑定 + //读取内容 + StringBuffer sb=new StringBuffer(); + String line=null; + while((line=br.readLine())!=null){ + sb.append(line+System.lineSeparator()); + } + //显示在文本框[多框] + textArea.setText(sb.toString()); + } catch (FileNotFoundException e1) { + e1.printStackTrace(); + } catch (IOException e1) { + e1.printStackTrace(); + } finally{ + try { + if(br!=null) br.close(); + } catch (Exception e1) { + e1.printStackTrace(); + } + } + } + } + /*================================================================*/ + + + /*=============================9===================================*/ + public void Print() + { + try{ + p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p + g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 + //g.translate(120,200);//改变组建的位置 + this.textArea.printAll(g); + p.end();//释放对象 g + } + catch(Exception a){ + + } + } + /*================================================================*/ + + + private static void addPopup(Component component, final JPopupMenu popup) { + component.addMouseListener(new MouseAdapter() { + public void mousePressed(MouseEvent e) { + if (e.isPopupTrigger()) { + showMenu(e); + } + } + public void mouseReleased(MouseEvent e) { + if (e.isPopupTrigger()) { + showMenu(e); + } + } + private void showMenu(MouseEvent e) { + popup.show(e.getComponent(), e.getX(), e.getY()); + } + }); + } + + public void cut(){ + copy(); + //标记开始位置 + int start = this.textArea.getSelectionStart(); + //标记结束位置 + int end = this.textArea.getSelectionEnd(); + //删除所选段 + this.textArea.replaceRange("", start, end); + + } + + public void copy(){ + //拖动选取文本 + String temp = this.textArea.getSelectedText(); + //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 + StringSelection text = new StringSelection(temp); + //把内容放在剪贴板 + this.clipboard.setContents(text, null); + } + + public void paste(){ + //Transferable接口，把剪贴板的内容转换成数据 + Transferable contents = this.clipboard.getContents(this); + //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 + DataFlavor flavor = DataFlavor.stringFlavor; + //如果可以转换 + if(contents.isDataFlavorSupported(flavor)){ + String str; + try {//开始转换 + str=(String)contents.getTransferData(flavor); + //如果要粘贴时，鼠标已经选中了一些字符 + if(this.textArea.getSelectedText()!=null){ + //定位被选中字符的开始位置 + int start = this.textArea.getSelectionStart(); + //定位被选中字符的末尾位置 + int end = this.textArea.getSelectionEnd(); + //把粘贴的内容替换成被选中的内容 + this.textArea.replaceRange(str, start, end); + }else{ + //获取鼠标所在TextArea的位置 + int mouse = this.textArea.getCaretPosition(); + //在鼠标所在的位置粘贴内容 + this.textArea.insert(str, mouse); + } + } catch(UnsupportedFlavorException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } catch(IllegalArgumentException e){ + e.printStackTrace(); + } + } + } + + public void mySearch() { + final JDialog findDialog = new JDialog(this, "查找与替换", true); + Container con = findDialog.getContentPane(); + con.setLayout(new FlowLayout(FlowLayout.LEFT)); + JLabel searchContentLabel = new JLabel("查找内容(N) :"); + JLabel replaceContentLabel = new JLabel("替换为(P)　 :"); + final JTextField findText = new JTextField(22); + final JTextField replaceText = new JTextField(22); + final JCheckBox matchcase = new JCheckBox("区分大小写"); + ButtonGroup bGroup = new ButtonGroup(); + final JRadioButton up = new JRadioButton("向上(U)"); + final JRadioButton down = new JRadioButton("向下(D)"); + down.setSelected(true); + bGroup.add(up); + bGroup.add(down); + JButton searchNext = new JButton("查找下一个(F)"); + JButton replace = new JButton("替换(R)"); + final JButton replaceAll = new JButton("全部替换(A)"); + searchNext.setPreferredSize(new Dimension(110, 22)); + replace.setPreferredSize(new Dimension(110, 22)); + replaceAll.setPreferredSize(new Dimension(110, 22)); + // "替换"按钮的事件处理 + replace.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + + if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) + textArea.replaceSelection(""); + if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) + textArea.replaceSelection(replaceText.getText()); + } + }); + + // "替换全部"按钮的事件处理 + replaceAll.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + + textArea.setCaretPosition(0); // 将光标放到编辑区开头 + int a = 0, b = 0, replaceCount = 0; + + if (findText.getText().length() == 0) { + JOptionPane.showMessageDialog(findDialog, "请填写查找内容!", "提示", JOptionPane.WARNING_MESSAGE); + findText.requestFocus(true); + return; + } + while (a > -1) { + + int FindStartPos = textArea.getCaretPosition(); + String str1, str2, str3, str4, strA, strB; + str1 = textArea.getText(); + str2 = str1.toLowerCase(); + str3 = findText.getText(); + str4 = str3.toLowerCase(); + + if (matchcase.isSelected()) { + strA = str1; + strB = str3; + } else { + strA = str2; + strB = str4; + } + + if (up.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.lastIndexOf(strB, FindStartPos - 1); + } else { + a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); + } + } else if (down.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.indexOf(strB, FindStartPos); + } else { + a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); + } + + } + + if (a > -1) { + if (up.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } else if (down.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } + } else { + if (replaceCount == 0) { + JOptionPane.showMessageDialog(findDialog, "找不到您查找的内容!", "记事本", JOptionPane.INFORMATION_MESSAGE); + } else { + JOptionPane.showMessageDialog(findDialog, "成功替换" + replaceCount + "个匹配内容!", "替换成功", JOptionPane.INFORMATION_MESSAGE); + } + } + if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) { + textArea.replaceSelection(""); + replaceCount++; + } + if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) { + textArea.replaceSelection(replaceText.getText()); + replaceCount++; + } + }// end while + } + }); /* "替换全部"按钮的事件处理结束 */ + + // "查找下一个"按钮事件处理 + searchNext.addActionListener(new ActionListener() { + + public void actionPerformed(ActionEvent e) { + int a = 0, b = 0; + int FindStartPos = textArea.getCaretPosition(); + String str1, str2, str3, str4, strA, strB; + str1 = textArea.getText(); + str2 = str1.toLowerCase(); + str3 = findText.getText(); + str4 = str3.toLowerCase(); + // "区分大小写"的CheckBox被选中 + if (matchcase.isSelected()) { + strA = str1; + strB = str3; + } else { + strA = str2; + strB = str4; + } + + if (up.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.lastIndexOf(strB, FindStartPos - 1); + } else { + a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); + } + } else if (down.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.indexOf(strB, FindStartPos); + } else { + a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); + } + + } + if (a > -1) { + if (up.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } else if (down.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } + } else { + JOptionPane.showMessageDialog(null, "找不到您查找的内容!", "记事本", JOptionPane.INFORMATION_MESSAGE); + } + + } + });/* "查找下一个"按钮事件处理结束 */ + // "取消"按钮及事件处理 + JButton cancel = new JButton("取消"); + cancel.setPreferredSize(new Dimension(110, 22)); + cancel.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + findDialog.dispose(); + } + }); + + // 创建"查找与替换"对话框的界面 + JPanel bottomPanel = new JPanel(); + JPanel centerPanel = new JPanel(); + JPanel topPanel = new JPanel(); + + JPanel direction = new JPanel(); + direction.setBorder(BorderFactory.createTitledBorder("方向 ")); + direction.add(up); + direction.add(down); + direction.setPreferredSize(new Dimension(170, 60)); + JPanel replacePanel = new JPanel(); + replacePanel.setLayout(new GridLayout(2, 1)); + replacePanel.add(replace); + replacePanel.add(replaceAll); + + topPanel.add(searchContentLabel); + topPanel.add(findText); + topPanel.add(searchNext); + centerPanel.add(replaceContentLabel); + centerPanel.add(replaceText); + centerPanel.add(replacePanel); + bottomPanel.add(matchcase); + bottomPanel.add(direction); + bottomPanel.add(cancel); + + con.add(topPanel); + con.add(centerPanel); + con.add(bottomPanel); + + // 设置"查找与替换"对话框的大小、可更改大小(否)、位置和可见性 + findDialog.setSize(410, 210); + findDialog.setResizable(false); + findDialog.setLocation(230, 280); + findDialog.setVisible(true); + } + +} + -- Gitee From 08d86f477355c6c1bbe2514625adf2b09059e69a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Mon, 7 Jun 2021 12:37:45 +0800 Subject: [PATCH 04/15] =?UTF-8?q?=E8=BF=9B=E4=B8=80=E6=AD=A5=E7=BB=99?= =?UTF-8?q?=E8=AE=B0=E4=BA=8B=E6=9C=AC=E5=AE=8C=E5=96=84=E4=BA=86=E5=89=AA?= =?UTF-8?q?=E5=88=87=E3=80=81=E5=A4=8D=E5=88=B6=E3=80=81=20=E5=88=A0?= =?UTF-8?q?=E9=99=A4=E3=80=81=E6=92=A4=E9=94=80=E3=80=81=E5=85=A8=E9=80=89?= =?UTF-8?q?=E3=80=81=E6=98=BE=E7=A4=BA=E6=97=B6=E9=97=B4=E7=AD=89=E5=8A=9F?= =?UTF-8?q?=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 1110 +++------------------- 1 file changed, 155 insertions(+), 955 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 7538f5d..a5abd41 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -1,71 +1,18 @@ package java2020spring; import java.awt.BorderLayout; import java.awt.Color; -import java.awt.Component; -import java.awt.Container; -import java.awt.Dimension; -import java.awt.Event; import java.awt.EventQueue; -import java.awt.FlowLayout; -import java.awt.Font; -import java.awt.Graphics; -import java.awt.GridLayout; -import java.awt.PrintJob; import java.awt.datatransfer.Clipboard; -import java.awt.datatransfer.DataFlavor; -import java.awt.datatransfer.StringSelection; -import java.awt.datatransfer.Transferable; -import java.awt.datatransfer.UnsupportedFlavorException; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; -import java.awt.event.InputEvent; -import java.awt.event.KeyAdapter; -import java.awt.event.KeyEvent; -import java.awt.event.MouseAdapter; -import java.awt.event.MouseEvent; -import java.awt.event.WindowAdapter; -import java.awt.event.WindowEvent; -import java.awt.print.PageFormat; -import java.awt.print.PrinterJob; -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileWriter; -import java.io.IOException; -import java.io.InputStreamReader; import java.util.Calendar; import java.util.GregorianCalendar; - -import javax.swing.BorderFactory; -import javax.swing.ButtonGroup; -import javax.swing.JButton; -import javax.swing.JCheckBox; -import javax.swing.JCheckBoxMenuItem; -import javax.swing.JColorChooser; -import javax.swing.JDialog; -import javax.swing.JFileChooser; -import javax.swing.JFrame; -import javax.swing.JLabel; -import javax.swing.JMenu; -import javax.swing.JMenuBar; -import javax.swing.JMenuItem; -import javax.swing.JOptionPane; -import javax.swing.JPanel; -import javax.swing.JPopupMenu; -import javax.swing.JRadioButton; -import javax.swing.JScrollPane; -import javax.swing.JSeparator; -import javax.swing.JTextArea; -import javax.swing.JTextField; -import javax.swing.JToolBar; -import javax.swing.KeyStroke; -import javax.swing.UIManager; -import javax.swing.UnsupportedLookAndFeelException; -import javax.swing.border.EmptyBorder; +import javax.swing.border.*; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; import javax.swing.undo.UndoManager; +import javax.swing.*; +import javax.swing.JPopupMenu.*; public class NotepadMainFrame extends JFrame implements ActionListener{ @@ -86,11 +33,6 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ //当前文件名 String currentFileName=null; - PrintJob p=null;//声明一个要打印的对象 - Graphics g=null;//要打印的对象 - - //当前文件路径 - String currentPath=null; //背景颜色 JColorChooser jcc1=null; @@ -100,49 +42,49 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ int linenum = 1; int columnnum = 1; - //撤销管理器 - public UndoManager undoMgr = new UndoManager(); + //剪贴板 public Clipboard clipboard = new Clipboard("系统剪切板"); - private JMenuItem itemSaveAs; - private JMenuItem itemNew; - private JMenuItem itemPage; - private JSeparator separator; - private JMenuItem itemPrint; - private JMenuItem itemExit; - private JSeparator separator_1; - private JMenu itemEdit; - private JMenu itFormat; - private JMenu itemCheck; - private JMenu itemHelp; - private JMenuItem itemSearchForHelp; - private JMenuItem itemAboutNotepad; - private JMenuItem itemUndo; - private JMenuItem itemCut; - private JMenuItem itemCopy; - private JMenuItem itemPaste; - private JMenuItem itemDelete; - private JMenuItem itemFind; - private JMenuItem itemFindNext; - private JMenuItem itemReplace; - private JMenuItem itemTurnTo; - private JMenuItem itemSelectAll; - private JMenuItem itemTime; - private JMenuItem itemFont; - private JMenuItem itemColor; - private JMenuItem itemFontColor; - private JCheckBoxMenuItem itemNextLine; - private JScrollPane scrollPane; - private JCheckBoxMenuItem itemStatement; - private JToolBar toolState; - public static JLabel label1; - private JLabel label2; - private JLabel label3; - int length=0; - int sum=0; - + + private JMenuItem itemSaveAs; + private JMenuItem itemNew; + private JMenuItem itemPage; + private JSeparator separator; + private JMenuItem itemPrint; + private JMenuItem itemExit; + private JSeparator separator_1; + private JMenu itemEdit; + private JMenu itFormat; + private JMenu itemCheck; + private JMenu itemHelp; + private JMenuItem itemSearchForHelp; + private JMenuItem itemAboutNotepad; + private JMenuItem itemUndo; + private JMenuItem itemCut; + private JMenuItem itemCopy; + private JMenuItem itemPaste; + private JMenuItem itemDelete; + private JMenuItem itemFind; + private JMenuItem itemFindNext; + private JMenuItem itemReplace; + private JMenuItem itemTurnTo; + private JMenuItem itemSelectAll; + private JMenuItem itemTime; + private JMenuItem itemFont; + private JMenuItem itemColor; + private JMenuItem itemFontColor; + private JCheckBoxMenuItem itemNextLine; + private JScrollPane scrollPane; + private JCheckBoxMenuItem itemStatement; + private JToolBar toolState; + public static JLabel label1; + private JLabel label2; + private JLabel label3; + int length=0; + int sum=0; + public UndoManager undoMgr = new UndoManager(); /** * Launch the application. */ @@ -184,7 +126,6 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private JSeparator separator_7; private JSeparator separator_8; private JMenuItem popM_Redo; - /** * Create the frame. */ @@ -200,7 +141,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ } catch (UnsupportedLookAndFeelException e1) { e1.printStackTrace(); } - setTitle("无标题"); + setTitle("notepad"); setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); setBounds(100, 100, 521, 572); @@ -212,20 +153,17 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ menuBar.add(itemFile); itemNew = new JMenuItem("新建(N)",'N'); - itemNew.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_N, - java.awt.Event.CTRL_MASK)); + itemNew.setAccelerator(KeyStroke.getKeyStroke("control N ")); itemNew.addActionListener(this); itemFile.add(itemNew); itemOpen = new JMenuItem("打开(O)",'O'); - itemOpen.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O, - java.awt.Event.CTRL_MASK)); + itemOpen.setAccelerator(KeyStroke.getKeyStroke("control O ")); itemOpen.addActionListener(this); itemFile.add(itemOpen); itemSave = new JMenuItem("保存(S)"); - itemSave.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, - java.awt.Event.CTRL_MASK)); + itemSave.setAccelerator(KeyStroke.getKeyStroke("control S ")); itemSave.addActionListener(this); itemFile.add(itemSave); @@ -241,8 +179,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemFile.add(itemPage); itemPrint = new JMenuItem("打印(P)...",'P'); - itemPrint.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_P, - java.awt.Event.CTRL_MASK)); + itemPrint.setAccelerator(KeyStroke.getKeyStroke("control P ")); itemPrint.addActionListener(this); itemFile.add(itemPrint); @@ -258,20 +195,17 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ menuBar.add(itemEdit); itemUndo = new JMenuItem("撤销(U)",'U'); - itemUndo.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Z, - java.awt.Event.CTRL_MASK)); + itemUndo.setAccelerator(KeyStroke.getKeyStroke("control Z")); itemUndo.addActionListener(this); itemEdit.add(itemUndo); itemRedo = new JMenuItem("恢复(R)"); - itemRedo.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_R, - java.awt.Event.CTRL_MASK)); + itemRedo.setAccelerator(KeyStroke.getKeyStroke("control R ")); itemRedo.addActionListener(this); itemEdit.add(itemRedo); itemCut = new JMenuItem("剪切(T)",'T'); - itemCut.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_X, - java.awt.Event.CTRL_MASK)); + itemCut.setAccelerator(KeyStroke.getKeyStroke("control X ")); itemCut.addActionListener(this); separator_6 = new JSeparator(); @@ -280,28 +214,24 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemCopy = new JMenuItem("复制(C)",'C'); itemCopy.addActionListener(this); - itemCopy.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, - java.awt.Event.CTRL_MASK)); + itemCopy.setAccelerator(KeyStroke.getKeyStroke("control C ")); itemEdit.add(itemCopy); itemPaste = new JMenuItem("粘贴(P)",'P'); itemPaste.addActionListener(this); - itemPaste.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_V, - java.awt.Event.CTRL_MASK)); + itemPaste.setAccelerator(KeyStroke.getKeyStroke("control V")); itemEdit.add(itemPaste); itemDelete = new JMenuItem("删除(L)",'L'); itemDelete.addActionListener(this); - itemDelete.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, - InputEvent.CTRL_MASK)); + itemDelete.setAccelerator(KeyStroke.getKeyStroke("control D ")); itemEdit.add(itemDelete); separator_7 = new JSeparator(); itemEdit.add(separator_7); itemFind = new JMenuItem("查找(F)",'F'); - itemFind.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, - Event.CTRL_MASK)); + itemFind.setAccelerator(KeyStroke.getKeyStroke("control F ")); itemFind.addActionListener(this); itemEdit.add(itemFind); @@ -312,25 +242,21 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemReplace = new JMenuItem("替换(R)",'R'); itemReplace.addActionListener(this); - itemReplace.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H, - Event.CTRL_MASK)); + itemReplace.setAccelerator(KeyStroke.getKeyStroke("control H ")); itemEdit.add(itemReplace); itemTurnTo = new JMenuItem("转到(G)",'G'); itemTurnTo.addActionListener(this); - itemTurnTo.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_G, - Event.CTRL_MASK)); + itemTurnTo.setAccelerator(KeyStroke.getKeyStroke("control G ")); itemEdit.add(itemTurnTo); itemSelectAll = new JMenuItem("全选(A)",'A'); - itemSelectAll.setAccelerator(KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_A, - java.awt.Event.CTRL_MASK)); + itemSelectAll.setAccelerator(KeyStroke.getKeyStroke("control A ")); itemSelectAll.addActionListener(this); separator_8 = new JSeparator(); itemEdit.add(separator_8); itemEdit.add(itemSelectAll); - itemTime = new JMenuItem("时间/日期(D)",'D'); itemTime.addActionListener(this); itemTime.setAccelerator(KeyStroke.getKeyStroke("F5")); @@ -376,860 +302,134 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemAboutNotepad.addActionListener(this); itemHelp.add(itemAboutNotepad); contentPane = new JPanel(); - contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); + TitledBorder title=new TitledBorder(new LineBorder(Color.BLACK),""); + contentPane.setBorder(title); //设置边框布局 - contentPane.setLayout(new BorderLayout(0, 0)); + contentPane.setLayout(new BorderLayout(5,5)); setContentPane(contentPane); textArea = new JTextArea(); //VERTICAL垂直 HORIZONTAL水平 scrollPane = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); - + //contentPane2=new JPanel(); //contentPane2.setSize(10,textArea.getSize().height); //contentPane.add(contentPane2, BorderLayout.WEST); - - - - popupMenu = new JPopupMenu(); - addPopup(textArea, popupMenu); - - popM_Undo = new JMenuItem("撤销(U)"); - popM_Undo.addActionListener(this); - popupMenu.add(popM_Undo); - - popM_Redo = new JMenuItem("恢复(R)"); - popM_Redo.addActionListener(this); - popupMenu.add(popM_Redo); - - separator_2 = new JSeparator(); - popupMenu.add(separator_2); - - popM_Cut = new JMenuItem("剪切(T)"); - popM_Cut.addActionListener(this); - popupMenu.add(popM_Cut); - - popM_Copy = new JMenuItem("复制(C)"); - popM_Copy.addActionListener(this); - popupMenu.add(popM_Copy); - - popM_Paste = new JMenuItem("粘贴(P)"); - popM_Paste.addActionListener(this); - popupMenu.add(popM_Paste); - - popM_Delete = new JMenuItem("删除(D)"); - popM_Delete.addActionListener(this); - popupMenu.add(popM_Delete); - - separator_3 = new JSeparator(); - popupMenu.add(separator_3); - - popM_SelectAll = new JMenuItem("全选(A)"); - popM_SelectAll.addActionListener(this); - popupMenu.add(popM_SelectAll); - - separator_4 = new JSeparator(); - popupMenu.add(separator_4); - - popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); - popM_toLeft.addActionListener(this); - popupMenu.add(popM_toLeft); - - popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); - popM_showUnicode.addActionListener(this); - popupMenu.add(popM_showUnicode); - - popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); - popM_InsertUnicode.addActionListener(this); - popupMenu.add(popM_InsertUnicode); - - separator_5 = new JSeparator(); - popupMenu.add(separator_5); - - popM_closeIMe = new JMenuItem("关闭IME(L)"); - popM_closeIMe.addActionListener(this); - popupMenu.add(popM_closeIMe); - - popM_RestartSelect = new JMenuItem("汉字重选(R)"); - popM_RestartSelect.addActionListener(this); - popupMenu.add(popM_RestartSelect); - //添加到面板中【中间】 - contentPane.add(scrollPane, BorderLayout.CENTER); - - //添加撤销管理器 - textArea.getDocument().addUndoableEditListener(undoMgr); - - - toolState = new JToolBar(); - toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); - label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); - toolState.add(label1); - toolState.addSeparator(); - label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); - toolState.add(label2); - toolState.addSeparator(); - - label3 = new JLabel(" 一共 " +length+" 字 "); - toolState.add(label3); - textArea.addCaretListener(new CaretListener() { //记录行数和列数 - public void caretUpdate(CaretEvent e) { - //sum=0; - JTextArea editArea = (JTextArea)e.getSource(); - - try { - int caretpos = editArea.getCaretPosition(); - linenum = editArea.getLineOfOffset(caretpos); - columnnum = caretpos - textArea.getLineStartOffset(linenum); - linenum += 1; - label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); - //sum+=columnnum+1; - //length+=sum; - length=NotepadMainFrame.this.textArea.getText().toString().length(); - label3.setText(" 一共 " +length+" 字 "); - } - catch(Exception ex) { } - }}); - - contentPane.add(toolState, BorderLayout.SOUTH); - toolState.setVisible(false); - toolState.setFloatable(false); - - - - - // 创建弹出菜单 - final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 - textArea.addMouseListener(new MouseAdapter() { - @Override - public void mouseClicked(MouseEvent e) { - if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 - { - jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 - } - } - }); - - isChanged(); - - this.MainFrameWidowListener(); - } - + popupMenu = new JPopupMenu(); + addPopup(textArea, popupMenu); - /*===============================1====================================*/ - /** - * 是否有变化 - */ - private void isChanged() { - textArea.addKeyListener(new KeyAdapter() { - @Override - public void keyTyped(KeyEvent e) { - //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 - Character c=e.getKeyChar(); - if(c != null && !textArea.getText().toString().equals("")){ - flag=2; - } - } - }); - } - /*===================================================================*/ + popM_Undo = new JMenuItem("撤销(U)"); + popM_Undo.addActionListener(this); + popupMenu.add(popM_Undo); + popM_Redo = new JMenuItem("恢复(R)"); + popM_Redo.addActionListener(this); + popupMenu.add(popM_Redo); - /*===============================2====================================*/ - /** - * 新建的或保存过的退出只有两个选择 - */ - private void MainFrameWidowListener() { - this.addWindowListener(new WindowAdapter(){ - @Override - public void windowClosing(WindowEvent e) { - if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.saveAs(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.save(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - } - } - }); - } - /*===================================================================*/ + separator_2 = new JSeparator(); + popupMenu.add(separator_2); + popM_Cut = new JMenuItem("剪切(T)"); + popM_Cut.addActionListener(this); + popupMenu.add(popM_Cut); - /*==============================3=====================================*/ - /** - * 行为动作 - */ - public void actionPerformed(ActionEvent e) { - if(e.getSource()==itemOpen){ //打开 - openFile(); - }else if(e.getSource()==itemSave){ //保存 - //如果该文件是打开的，就可以直接保存 - save(); - }else if(e.getSource()==itemSaveAs){ //另存为 - saveAs(); - }else if(e.getSource()==itemNew){ //新建 - newFile(); - }else if(e.getSource()==itemExit){ //退出 - exit(); - }else if(e.getSource()==itemPage){ //页面设置 - ///页面设置，百度到的，不知道具体的用法 - PageFormat pf = new PageFormat(); - PrinterJob.getPrinterJob().pageDialog(pf); - }else if(e.getSource()==itemPrint){ //打印 - //打印机 - Print(); - }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 - if(undoMgr.canUndo()){ - undoMgr.undo(); - } - }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 - if(undoMgr.canRedo()){ - undoMgr.redo(); - } - }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 - cut(); - }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 - copy(); - }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 - paste(); - }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 - String tem=textArea.getText().toString(); - textArea.setText(tem.substring(0,textArea.getSelectionStart())); - }else if(e.getSource()==itemFind){ //查找 - mySearch(); - }else if(e.getSource()==itemFindNext){ //查找下一个 - mySearch(); - }else if(e.getSource()==itemReplace){ //替换 - mySearch(); - }else if(e.getSource()==itemTurnTo){ //转到 - turnTo(); - }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 - textArea.selectAll(); - }else if(e.getSource()==itemTime){ //时间/日期 - textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); - }else if(e.getSource()==itemNextLine){ //设置自动换行 - //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 - if(itemNextLine.isSelected()){ - textArea.setLineWrap(true); - }else{ - textArea.setLineWrap(false); - } - }else if(e.getSource()==itemFont){ //设置字体大小 - // 构造字体选择器，参数字体为预设值 - // MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); - //fontChooser.showFontDialog(this); - // Font font = fontChooser.getSelectFont(); - // 将字体设置到JTextArea中 - //textArea.setFont(font); - }else if(e.getSource()==itemColor){ //设置背景颜色 - jcc1 = new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); - color = jcc1.getColor(); - textArea.setBackground(color); - }else if(e.getSource()==itemFontColor){ //设置字体颜色 - jcc1=new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); - color = jcc1.getColor(); - //String string=textArea.getSelectedText(); - textArea.setForeground(color); - }else if(e.getSource()==itemStatement){ //设置状态 - if(itemStatement.isSelected()){ - //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); - toolState.setVisible(true); - }else{ - //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); - toolState.setVisible(false); - } - }else if(e.getSource()==itemSearchForHelp){ - JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); - }else if(e.getSource()==itemAboutNotepad){ - JOptionPane.showMessageDialog(this, "哈哈","说明文档",1); - } - } - /*===================================================================*/ - - - private void turnTo() { - final JDialog gotoDialog = new JDialog(this, "转到下列行"); - JLabel gotoLabel = new JLabel("行数(L):"); - final JTextField linenum = new JTextField(5); - linenum.setText("1"); - linenum.selectAll(); - - JButton okButton = new JButton("确定"); - okButton.addActionListener(new ActionListener() { - - public void actionPerformed(ActionEvent e) { - int totalLine = textArea.getLineCount(); - int[] lineNumber = new int[totalLine + 1]; - String s = textArea.getText(); - int pos = 0, t = 0; - - while (true) { - pos = s.indexOf('\12', pos); - // System.out.println("引索pos:"+pos); - if (pos == -1) - break; - lineNumber[t++] = pos++; - } - - int gt = 1; - try { - gt = Integer.parseInt(linenum.getText()); - } catch (NumberFormatException efe) { - JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); - linenum.requestFocus(true); - return; - } - - if (gt < 2 || gt >= totalLine) { - if (gt < 2) - textArea.setCaretPosition(0); - else - textArea.setCaretPosition(s.length()); - } else - textArea.setCaretPosition(lineNumber[gt - 2] + 1); - - gotoDialog.dispose(); - } - - }); - - JButton cancelButton = new JButton("取消"); - cancelButton.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - gotoDialog.dispose(); - } - }); - - Container con = gotoDialog.getContentPane(); - con.setLayout(new FlowLayout()); - con.add(gotoLabel); - con.add(linenum); - con.add(okButton); - con.add(cancelButton); - - gotoDialog.setSize(200, 100); - gotoDialog.setResizable(false); - gotoDialog.setLocation(300, 280); - gotoDialog.setVisible(true); - } + popM_Copy = new JMenuItem("复制(C)"); + popM_Copy.addActionListener(this); + popupMenu.add(popM_Copy); + popM_Paste = new JMenuItem("粘贴(P)"); + popM_Paste.addActionListener(this); + popupMenu.add(popM_Paste); - /*===============================8====================================*/ - /** - * 推出按钮，和窗口的红叉实现一样的功能 - */ - private void exit() { - if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.saveAs(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.save(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - } - } - /*===================================================================*/ - - - /*===============================4====================================*/ - /** - * 新建文件，只有改过的和保存过的需要处理 - */ - private void newFile() { - if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 - return; - }else if(flag==2 && this.currentPath==null){ //修改后 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.saveAs(); //另存为 - }else if(result==JOptionPane.NO_OPTION){ - this.textArea.setText(""); - this.setTitle("无标题"); - flag=1; - } - return; - }else if(flag==2 && this.currentPath!=null ){ - //2、（保存的文件为3）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.save(); //直接保存，有路径 - }else if(result==JOptionPane.NO_OPTION){ - this.textArea.setText(""); - this.setTitle("无标题"); - flag=1; - } - }else if(flag==3){ //保存的文件 - this.textArea.setText(""); - flag=1; - this.setTitle("无标题"); - } - } - /*===================================================================*/ + popM_Delete = new JMenuItem("删除(D)"); + popM_Delete.addActionListener(this); + popupMenu.add(popM_Delete); + separator_3 = new JSeparator(); + popupMenu.add(separator_3); - /*===============================5====================================*/ - /** - * 另存为 - */ - private void saveAs() { - //打开保存框 - JFileChooser choose=new JFileChooser(); - //选择文件 - int result=choose.showSaveDialog(this); - if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件[文件名是自己输入的] - File file=choose.getSelectedFile(); - FileWriter fw=null; - //保存 - try { - fw=new FileWriter(file); - fw.write(textArea.getText()); - currentFileName=file.getName(); - currentPath=file.getAbsolutePath(); - //如果比较少，需要写 - fw.flush(); - this.flag=3; - this.setTitle(currentPath); - } catch (IOException e1) { - e1.printStackTrace(); - }finally{ - try { - if(fw!=null) fw.close(); - } catch (IOException e1) { - e1.printStackTrace(); - } - } - } - } - /*===================================================================*/ + popM_SelectAll = new JMenuItem("全选(A)"); + popM_SelectAll.addActionListener(this); + popupMenu.add(popM_SelectAll); - - /*===============================6====================================*/ - /** - * 保存 - */ - private void save() { - if(this.currentPath==null){ - this.saveAs(); - if(this.currentPath==null){ - return; - } - } - FileWriter fw=null; - //保存 - try { - fw=new FileWriter(new File(currentPath)); - fw.write(textArea.getText()); - //如果比较少，需要写 - fw.flush(); - flag=3; - this.setTitle(this.currentPath); - } catch (IOException e1) { - e1.printStackTrace(); - }finally{ - try { - if(fw!=null) fw.close(); - } catch (IOException e1) { - e1.printStackTrace(); - } - } - } - /*===================================================================*/ + separator_4 = new JSeparator(); + popupMenu.add(separator_4); + popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); + popM_toLeft.addActionListener(this); + popupMenu.add(popM_toLeft); - /*================================7===================================*/ - /** - * 打开文件 - */ - private void openFile() { - if(flag==2 && this.currentPath==null){ - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.saveAs(); - } - }else if(flag==2 && this.currentPath!=null){ - //2、（打开的文件2，保存的文件3）条件下修改 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.save(); - } - } - //打开文件选择框 - JFileChooser choose=new JFileChooser(); - //选择文件 - int result=choose.showOpenDialog(this); - if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件 - File file=choose.getSelectedFile(); - //打开已存在的文件，提前将文件名存起来 - currentFileName=file.getName(); - //存在文件全路径 - currentPath=file.getAbsolutePath(); - flag=3; - this.setTitle(this.currentPath); - BufferedReader br=null; - try { - //建立文件流[字符流] - InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); - br=new BufferedReader(isr);//动态绑定 - //读取内容 - StringBuffer sb=new StringBuffer(); - String line=null; - while((line=br.readLine())!=null){ - sb.append(line+System.lineSeparator()); - } - //显示在文本框[多框] - textArea.setText(sb.toString()); - } catch (FileNotFoundException e1) { - e1.printStackTrace(); - } catch (IOException e1) { - e1.printStackTrace(); - } finally{ - try { - if(br!=null) br.close(); - } catch (Exception e1) { - e1.printStackTrace(); - } - } - } - } - /*================================================================*/ - + popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); + popM_showUnicode.addActionListener(this); + popupMenu.add(popM_showUnicode); - /*=============================9===================================*/ - public void Print() - { - try{ - p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p - g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 - //g.translate(120,200);//改变组建的位置 - this.textArea.printAll(g); - p.end();//释放对象 g - } - catch(Exception a){ - - } - } - /*================================================================*/ + popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); + popM_InsertUnicode.addActionListener(this); + popupMenu.add(popM_InsertUnicode); + separator_5 = new JSeparator(); + popupMenu.add(separator_5); - private static void addPopup(Component component, final JPopupMenu popup) { - component.addMouseListener(new MouseAdapter() { - public void mousePressed(MouseEvent e) { - if (e.isPopupTrigger()) { - showMenu(e); - } - } - public void mouseReleased(MouseEvent e) { - if (e.isPopupTrigger()) { - showMenu(e); - } - } - private void showMenu(MouseEvent e) { - popup.show(e.getComponent(), e.getX(), e.getY()); - } - }); - } + popM_closeIMe = new JMenuItem("关闭IME(L)"); + popM_closeIMe.addActionListener(this); + popupMenu.add(popM_closeIMe); - public void cut(){ - copy(); - //标记开始位置 - int start = this.textArea.getSelectionStart(); - //标记结束位置 - int end = this.textArea.getSelectionEnd(); - //删除所选段 - this.textArea.replaceRange("", start, end); - - } + popM_RestartSelect = new JMenuItem("汉字重选(R)"); + popM_RestartSelect.addActionListener(this); + popupMenu.add(popM_RestartSelect); + //添加到面板中【中间】 + contentPane.add(scrollPane, BorderLayout.CENTER); - public void copy(){ - //拖动选取文本 - String temp = this.textArea.getSelectedText(); - //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 - StringSelection text = new StringSelection(temp); - //把内容放在剪贴板 - this.clipboard.setContents(text, null); - } + //添加撤销管理器 + textArea.getDocument().addUndoableEditListener(undoMgr); + - public void paste(){ - //Transferable接口，把剪贴板的内容转换成数据 - Transferable contents = this.clipboard.getContents(this); - //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 - DataFlavor flavor = DataFlavor.stringFlavor; - //如果可以转换 - if(contents.isDataFlavorSupported(flavor)){ - String str; - try {//开始转换 - str=(String)contents.getTransferData(flavor); - //如果要粘贴时，鼠标已经选中了一些字符 - if(this.textArea.getSelectedText()!=null){ - //定位被选中字符的开始位置 - int start = this.textArea.getSelectionStart(); - //定位被选中字符的末尾位置 - int end = this.textArea.getSelectionEnd(); - //把粘贴的内容替换成被选中的内容 - this.textArea.replaceRange(str, start, end); - }else{ - //获取鼠标所在TextArea的位置 - int mouse = this.textArea.getCaretPosition(); - //在鼠标所在的位置粘贴内容 - this.textArea.insert(str, mouse); - } - } catch(UnsupportedFlavorException e) { - e.printStackTrace(); - } catch (IOException e) { - e.printStackTrace(); - } catch(IllegalArgumentException e){ - e.printStackTrace(); - } - } - } - - public void mySearch() { - final JDialog findDialog = new JDialog(this, "查找与替换", true); - Container con = findDialog.getContentPane(); - con.setLayout(new FlowLayout(FlowLayout.LEFT)); - JLabel searchContentLabel = new JLabel("查找内容(N) :"); - JLabel replaceContentLabel = new JLabel("替换为(P)　 :"); - final JTextField findText = new JTextField(22); - final JTextField replaceText = new JTextField(22); - final JCheckBox matchcase = new JCheckBox("区分大小写"); - ButtonGroup bGroup = new ButtonGroup(); - final JRadioButton up = new JRadioButton("向上(U)"); - final JRadioButton down = new JRadioButton("向下(D)"); - down.setSelected(true); - bGroup.add(up); - bGroup.add(down); - JButton searchNext = new JButton("查找下一个(F)"); - JButton replace = new JButton("替换(R)"); - final JButton replaceAll = new JButton("全部替换(A)"); - searchNext.setPreferredSize(new Dimension(110, 22)); - replace.setPreferredSize(new Dimension(110, 22)); - replaceAll.setPreferredSize(new Dimension(110, 22)); - // "替换"按钮的事件处理 - replace.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - - if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) - textArea.replaceSelection(""); - if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) - textArea.replaceSelection(replaceText.getText()); - } - }); - - // "替换全部"按钮的事件处理 - replaceAll.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - - textArea.setCaretPosition(0); // 将光标放到编辑区开头 - int a = 0, b = 0, replaceCount = 0; - - if (findText.getText().length() == 0) { - JOptionPane.showMessageDialog(findDialog, "请填写查找内容!", "提示", JOptionPane.WARNING_MESSAGE); - findText.requestFocus(true); - return; - } - while (a > -1) { - - int FindStartPos = textArea.getCaretPosition(); - String str1, str2, str3, str4, strA, strB; - str1 = textArea.getText(); - str2 = str1.toLowerCase(); - str3 = findText.getText(); - str4 = str3.toLowerCase(); - - if (matchcase.isSelected()) { - strA = str1; - strB = str3; - } else { - strA = str2; - strB = str4; - } - - if (up.isSelected()) { - if (textArea.getSelectedText() == null) { - a = strA.lastIndexOf(strB, FindStartPos - 1); - } else { - a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); - } - } else if (down.isSelected()) { - if (textArea.getSelectedText() == null) { - a = strA.indexOf(strB, FindStartPos); - } else { - a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); - } - - } - - if (a > -1) { - if (up.isSelected()) { - textArea.setCaretPosition(a); - b = findText.getText().length(); - textArea.select(a, a + b); - } else if (down.isSelected()) { - textArea.setCaretPosition(a); - b = findText.getText().length(); - textArea.select(a, a + b); - } - } else { - if (replaceCount == 0) { - JOptionPane.showMessageDialog(findDialog, "找不到您查找的内容!", "记事本", JOptionPane.INFORMATION_MESSAGE); - } else { - JOptionPane.showMessageDialog(findDialog, "成功替换" + replaceCount + "个匹配内容!", "替换成功", JOptionPane.INFORMATION_MESSAGE); - } - } - if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) { - textArea.replaceSelection(""); - replaceCount++; - } - if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) { - textArea.replaceSelection(replaceText.getText()); - replaceCount++; - } - }// end while - } - }); /* "替换全部"按钮的事件处理结束 */ - - // "查找下一个"按钮事件处理 - searchNext.addActionListener(new ActionListener() { - - public void actionPerformed(ActionEvent e) { - int a = 0, b = 0; - int FindStartPos = textArea.getCaretPosition(); - String str1, str2, str3, str4, strA, strB; - str1 = textArea.getText(); - str2 = str1.toLowerCase(); - str3 = findText.getText(); - str4 = str3.toLowerCase(); - // "区分大小写"的CheckBox被选中 - if (matchcase.isSelected()) { - strA = str1; - strB = str3; - } else { - strA = str2; - strB = str4; - } - - if (up.isSelected()) { - if (textArea.getSelectedText() == null) { - a = strA.lastIndexOf(strB, FindStartPos - 1); - } else { - a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); - } - } else if (down.isSelected()) { - if (textArea.getSelectedText() == null) { - a = strA.indexOf(strB, FindStartPos); - } else { - a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); - } - - } - if (a > -1) { - if (up.isSelected()) { - textArea.setCaretPosition(a); - b = findText.getText().length(); - textArea.select(a, a + b); - } else if (down.isSelected()) { - textArea.setCaretPosition(a); - b = findText.getText().length(); - textArea.select(a, a + b); - } - } else { - JOptionPane.showMessageDialog(null, "找不到您查找的内容!", "记事本", JOptionPane.INFORMATION_MESSAGE); - } + toolState = new JToolBar(); + toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); + label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); + toolState.add(label1); + toolState.addSeparator(); + label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); + toolState.add(label2); + toolState.addSeparator(); + + label3 = new JLabel(" 一共 " +length+" 字 "); + toolState.add(label3); + textArea.addCaretListener(new CaretListener() { //记录行数和列数 + public void caretUpdate(CaretEvent e) { + //sum=0; + JTextArea editArea = (JTextArea)e.getSource(); + try { + int caretpos = editArea.getCaretPosition(); + linenum = editArea.getLineOfOffset(caretpos); + columnnum = caretpos - textArea.getLineStartOffset(linenum); + linenum += 1; + label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); + //sum+=columnnum+1; + //length+=sum; + length=NotepadMainFrame.this.textArea.getText().toString().length(); + label3.setText(" 一共 " +length+" 字 "); } - });/* "查找下一个"按钮事件处理结束 */ - // "取消"按钮及事件处理 - JButton cancel = new JButton("取消"); - cancel.setPreferredSize(new Dimension(110, 22)); - cancel.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - findDialog.dispose(); - } - }); - - // 创建"查找与替换"对话框的界面 - JPanel bottomPanel = new JPanel(); - JPanel centerPanel = new JPanel(); - JPanel topPanel = new JPanel(); - - JPanel direction = new JPanel(); - direction.setBorder(BorderFactory.createTitledBorder("方向 ")); - direction.add(up); - direction.add(down); - direction.setPreferredSize(new Dimension(170, 60)); - JPanel replacePanel = new JPanel(); - replacePanel.setLayout(new GridLayout(2, 1)); - replacePanel.add(replace); - replacePanel.add(replaceAll); - - topPanel.add(searchContentLabel); - topPanel.add(findText); - topPanel.add(searchNext); - centerPanel.add(replaceContentLabel); - centerPanel.add(replaceText); - centerPanel.add(replacePanel); - bottomPanel.add(matchcase); - bottomPanel.add(direction); - bottomPanel.add(cancel); - - con.add(topPanel); - con.add(centerPanel); - con.add(bottomPanel); + catch(Exception ex) { } + }}); + + contentPane.add(toolState, BorderLayout.SOUTH); + toolState.setVisible(false); + toolState.setFloatable(false);} + + + + private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { + // TODO 自动生成的方法存根 + + } - // 设置"查找与替换"对话框的大小、可更改大小(否)、位置和可见性 - findDialog.setSize(410, 210); - findDialog.setResizable(false); - findDialog.setLocation(230, 280); - findDialog.setVisible(true); - } -} + @Override + public void actionPerformed(ActionEvent e) { + // TODO 自动生成的方法存根 + + }} -- Gitee From 17c56e90059be7ddf41ec3a864c7979e1e32ff4f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Mon, 7 Jun 2021 20:57:57 +0800 Subject: [PATCH 05/15] =?UTF-8?q?=E5=88=9B=E5=BB=BA=E5=BC=B9=E5=87=BA?= =?UTF-8?q?=E8=8F=9C=E5=8D=95=EF=BC=8C=E8=AE=BE=E7=BD=AE=E6=96=B0=E5=BB=BA?= =?UTF-8?q?=E7=9A=84=E6=88=96=E4=BF=9D=E5=AD=98=E8=BF=87=E7=9A=84=E9=80=80?= =?UTF-8?q?=E5=87=BA=E5=8F=AA=E6=9C=89=E4=B8=A4=E4=B8=AA=E9=80=89=E6=8B=A9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 80 +++++++++++++++++++++++- 1 file changed, 79 insertions(+), 1 deletion(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index a5abd41..526e7c0 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -417,9 +417,87 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ contentPane.add(toolState, BorderLayout.SOUTH); toolState.setVisible(false); - toolState.setFloatable(false);} + toolState.setFloatable(false); + // 创建弹出菜单 + final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 + textArea.addMouseListener(new MouseAdapter() { + @Override + public void mouseClicked(MouseEvent e) { + if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 + { + jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 + } + } + }); + isChanged(); + + this.MainFrameWidowListener(); +} + + +/*===============================1====================================*/ +/** + * 是否有变化 + */ +private void isChanged() { + textArea.addKeyListener(new KeyAdapter() { + @Override + public void keyTyped(KeyEvent e) { + //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 + Character c=e.getKeyChar(); + if(c != null && !textArea.getText().toString().equals("")){ + flag=2; + } + } + }); +} +/*===================================================================*/ + + +/*===============================2====================================*/ +/** + * 新建的或保存过的退出只有两个选择 + */ +private void MainFrameWidowListener() { + this.addWindowListener(new WindowAdapter(){ + @Override + public void windowClosing(WindowEvent e) { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + } + } + }); +} +/*===================================================================*/ + + private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { // TODO 自动生成的方法存根 -- Gitee From 37b40203e42125f9471eb8e82c4a9f6f90278fa3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Mon, 7 Jun 2021 23:00:38 +0800 Subject: [PATCH 06/15] =?UTF-8?q?=E5=AF=B9=E8=8F=9C=E5=8D=95=E9=A1=B9?= =?UTF-8?q?=E5=8A=9F=E8=83=BD=E7=9A=84=E8=BF=9B=E4=B8=80=E6=AD=A5=E5=AE=8C?= =?UTF-8?q?=E5=96=84?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 92 +++++++++++++++++++++++- 1 file changed, 91 insertions(+), 1 deletion(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 526e7c0..23da0ce 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -496,7 +496,97 @@ private void MainFrameWidowListener() { }); } /*===================================================================*/ - +/*==============================3=====================================*/ +/** + * 行为动作 + */ +public void actionPerformed(ActionEvent e) { + if(e.getSource()==itemOpen){ //打开 + openFile(); + }else if(e.getSource()==itemSave){ //保存 + //如果该文件是打开的，就可以直接保存 + save(); + }else if(e.getSource()==itemSaveAs){ //另存为 + saveAs(); + }else if(e.getSource()==itemNew){ //新建 + newFile(); + }else if(e.getSource()==itemExit){ //退出 + exit(); + }else if(e.getSource()==itemPage){ //页面设置 + ///页面设置，百度到的，不知道具体的用法 + PageFormat pf = new PageFormat(); + PrinterJob.getPrinterJob().pageDialog(pf); + }else if(e.getSource()==itemPrint){ //打印 + //打印机 + Print(); + }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 + if(undoMgr.canUndo()){ + undoMgr.undo(); + } + }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 + if(undoMgr.canRedo()){ + undoMgr.redo(); + } + }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 + cut(); + }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 + copy(); + }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 + paste(); + }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 + String tem=textArea.getText().toString(); + textArea.setText(tem.substring(0,textArea.getSelectionStart())); + }else if(e.getSource()==itemFind){ //查找 + mySearch(); + }else if(e.getSource()==itemFindNext){ //查找下一个 + mySearch(); + }else if(e.getSource()==itemReplace){ //替换 + mySearch(); + }else if(e.getSource()==itemTurnTo){ //转到 + turnTo(); + }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 + textArea.selectAll(); + }else if(e.getSource()==itemTime){ //时间/日期 + textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); + }else if(e.getSource()==itemNextLine){ //设置自动换行 + //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 + if(itemNextLine.isSelected()){ + textArea.setLineWrap(true); + }else{ + textArea.setLineWrap(false); + } + }else if(e.getSource()==itemFont){ //设置字体大小 + // 构造字体选择器，参数字体为预设值 + // MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); + //fontChooser.showFontDialog(this); + // Font font = fontChooser.getSelectFont(); + // 将字体设置到JTextArea中 + //textArea.setFont(font); + }else if(e.getSource()==itemColor){ //设置背景颜色 + jcc1 = new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); + color = jcc1.getColor(); + textArea.setBackground(color); + }else if(e.getSource()==itemFontColor){ //设置字体颜色 + jcc1=new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); + color = jcc1.getColor(); + //String string=textArea.getSelectedText(); + textArea.setForeground(color); + }else if(e.getSource()==itemStatement){ //设置状态 + if(itemStatement.isSelected()){ + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); + toolState.setVisible(true); + }else{ + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); + toolState.setVisible(false); + } + }else if(e.getSource()==itemSearchForHelp){ + JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); + }else if(e.getSource()==itemAboutNotepad){ + JOptionPane.showMessageDialog(this, "哈哈","说明文档",1); + } +} private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { -- Gitee From f34d30bdb0f53c13c0f963e5dfc6ae68cb84f69b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Tue, 8 Jun 2021 10:01:30 +0800 Subject: [PATCH 07/15] =?UTF-8?q?=E8=AE=BE=E7=BD=AEturnto=E7=9A=84?= =?UTF-8?q?=E5=8A=9F=E8=83=BD=EF=BC=8C=E8=BD=AC=E5=88=B0=E6=8C=87=E5=AE=9A?= =?UTF-8?q?=E8=A1=8C=EF=BC=8C=E5=BC=B9=E5=87=BA=E5=AF=B9=E8=AF=9D=E6=A1=86?= =?UTF-8?q?=EF=BC=8C=E5=AF=B9=E8=AF=A5=E5=AF=B9=E8=AF=9D=E6=A1=86=E8=BF=9B?= =?UTF-8?q?=E8=A1=8C=E7=95=8C=E9=9D=A2=E8=AE=BE=E7=BD=AE=E5=92=8C=E4=BA=8B?= =?UTF-8?q?=E4=BB=B6=E7=9B=91=E5=90=AC=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 77 ++++++++++++++++++++++-- 1 file changed, 72 insertions(+), 5 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 23da0ce..98def7a 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -587,6 +587,74 @@ public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(this, "哈哈","说明文档",1); } } +/*===================================================================*/ + +//转到指定行，弹出对话框 +private void turnTo() { + final JDialog gotoDialog = new JDialog(this, "转到下列行"); + JLabel gotoLabel = new JLabel("行数(L):"); + final JTextField linenum = new JTextField(5); + linenum.setText("1"); + linenum.selectAll(); + + JButton okButton = new JButton("确定"); + okButton.addActionListener(new ActionListener() { + + public void actionPerformed(ActionEvent e) { + int totalLine = textArea.getLineCount(); + int[] lineNumber = new int[totalLine + 1]; + String s = textArea.getText(); + int pos = 0, t = 0; + + while (true) { + pos = s.indexOf('\12', pos); + // System.out.println("引索pos:"+pos); + if (pos == -1) + break; + lineNumber[t++] = pos++; + } + + int gt = 1; + try { + gt = Integer.parseInt(linenum.getText());// 转换为基本数据类型int + } catch (NumberFormatException efe) { + JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); + linenum.requestFocus(true); + return; + } + + if (gt < 2 || gt >= totalLine) { + if (gt < 2) + textArea.setCaretPosition(0);//将滚动条一直固定在JTextArea的顶端 + else + textArea.setCaretPosition(s.length());//将滚动条滑到JTextArea的底端 + } else + textArea.setCaretPosition(lineNumber[gt - 2] + 1); + + gotoDialog.dispose(); + } + + }); + + JButton cancelButton = new JButton("取消"); + cancelButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + gotoDialog.dispose(); + } + }); + + Container con = gotoDialog.getContentPane(); + con.setLayout(new FlowLayout()); + con.add(gotoLabel); + con.add(linenum); + con.add(okButton); + con.add(cancelButton); + + gotoDialog.setSize(200, 100); + gotoDialog.setResizable(false); + gotoDialog.setLocation(300, 280); + gotoDialog.setVisible(true); +} private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { @@ -596,8 +664,7 @@ public void actionPerformed(ActionEvent e) { - @Override - public void actionPerformed(ActionEvent e) { - // TODO 自动生成的方法存根 - - }} + + + + } -- Gitee From c75785c5668f95129a94eb248c2caa5dd73d30d3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Tue, 8 Jun 2021 13:11:51 +0800 Subject: [PATCH 08/15] =?UTF-8?q?=E8=BF=99=E4=B8=AA=E6=A8=A1=E5=9D=97?= =?UTF-8?q?=E6=98=AF=E5=AF=B9=E6=96=87=E6=9C=AC=E5=86=85=E5=AE=B9=E4=BF=9D?= =?UTF-8?q?=E5=AD=98=E7=9A=84=E5=BC=B9=E5=87=BA=E6=A1=86=E7=95=8C=E9=9D=A2?= =?UTF-8?q?=E8=AE=BE=E8=AE=A1=E4=BB=A5=E5=8F=8A=E5=8A=9F=E8=83=BD=E7=9A=84?= =?UTF-8?q?=E5=AE=9E=E7=8E=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 36 ++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 98def7a..0884b8f 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -655,8 +655,40 @@ private void turnTo() { gotoDialog.setLocation(300, 280); gotoDialog.setVisible(true); } - - +/*===============================8====================================*/ +/** + * 推出按钮，和窗口的红叉实现一样的功能 + */ +private void exit() { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + } +} private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { // TODO 自动生成的方法存根 -- Gitee From be48dd3c80ae0dcccf4514a730450083cd01e354 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Tue, 8 Jun 2021 16:57:34 +0800 Subject: [PATCH 09/15] =?UTF-8?q?=E7=BB=A7=E7=BB=AD=E5=AE=8C=E5=96=84?= =?UTF-8?q?=E5=AF=B9=E6=94=B9=E8=BF=87=E7=9A=84=E5=92=8C=E4=BF=9D=E5=AD=98?= =?UTF-8?q?=E8=BF=87=E7=9A=84=E6=96=B0=E5=BB=BA=E6=96=87=E4=BB=B6=E7=9A=84?= =?UTF-8?q?=E5=A4=84=E7=90=86=E5=8A=9F=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 37 ++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 0884b8f..9f84861 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -689,6 +689,43 @@ private void exit() { } } } +/*===============================4====================================*/ +/** + * 新建文件，只有改过的和保存过的需要处理 + */ +private void newFile() { + if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 + return; + }else if(flag==2 && this.currentPath==null){ //修改后 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); //另存为 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + return; + }else if(flag==2 && this.currentPath!=null ){ + //2、（保存的文件为3）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); //直接保存，有路径 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + }else if(flag==3){ //保存的文件 + this.textArea.setText(""); + flag=1; + this.setTitle("无标题"); + } +} +/*===================================================================*/ + + private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { // TODO 自动生成的方法存根 -- Gitee From d03881bc6944e28fe028943069b9a9aa213da6c6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Tue, 8 Jun 2021 23:53:25 +0800 Subject: [PATCH 10/15] =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E4=B8=8D=E5=90=8C?= =?UTF-8?q?=E6=96=87=E4=BB=B6=E7=8A=B6=E6=80=81=20=E5=8F=A6=E5=AD=98?= =?UTF-8?q?=E4=B8=BA=20=E5=92=8C=20=E4=BF=9D=E5=AD=98=20=E7=9A=84=E5=8A=9F?= =?UTF-8?q?=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 68 +++++++++++++++++++++++- 1 file changed, 66 insertions(+), 2 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 9f84861..254fc11 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -724,8 +724,72 @@ private void newFile() { } } /*===================================================================*/ - - +/*===============================5====================================*/ +/** + * 另存为 + */ +private void saveAs() { + //打开保存框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showSaveDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件[文件名是自己输入的] + File file=choose.getSelectedFile(); + FileWriter fw=null; + //保存 + try { + fw=new FileWriter(file); + fw.write(textArea.getText()); + currentFileName=file.getName(); + currentPath=file.getAbsolutePath(); + //如果比较少，需要写 + fw.flush(); + this.flag=3; + this.setTitle(currentPath); + } catch (IOException e1) { + e1.printStackTrace(); //在命令行打印异常信息在程序中出错的位置及原因。 + }finally{ + try { + if(fw!=null) fw.close(); + } catch (IOException e1) { + e1.printStackTrace(); + } + } + } +} +/*===================================================================*/ +/*===============================6====================================*/ +/** + * 保存 + */ +private void save() { + if(this.currentPath==null){ + this.saveAs(); + if(this.currentPath==null){ + return; + } + } + FileWriter fw=null; + //保存 + try { + fw=new FileWriter(new File(currentPath)); + fw.write(textArea.getText()); + //如果比较少，需要写 + fw.flush(); + flag=3; + this.setTitle(this.currentPath); + } catch (IOException e1) { + e1.printStackTrace(); + }finally{ + try { + if(fw!=null) fw.close(); + } catch (IOException e1) { + e1.printStackTrace(); + } + } +} +/*===================================================================*/ private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { // TODO 自动生成的方法存根 -- Gitee From 9a2b3a1f068b9b4d4e4f5de0ea9e3b4b74f6b3b4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Wed, 9 Jun 2021 19:35:00 +0800 Subject: [PATCH 11/15] =?UTF-8?q?=E5=BB=BA=E7=AB=8B=E6=96=87=E4=BB=B6?= =?UTF-8?q?=E6=B5=81=EF=BC=8C=E5=AE=9E=E7=8E=B0=E6=89=93=E5=8D=B0=E5=8A=9F?= =?UTF-8?q?=E8=83=BD=EF=BC=8C=E4=BB=A5=E5=8F=8A=E5=89=AA=E5=88=87=E3=80=81?= =?UTF-8?q?=E5=A4=8D=E5=88=B6=E3=80=81=E7=B2=98=E8=B4=B4=E7=9A=84=E5=8A=9F?= =?UTF-8?q?=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 148 +++++++++++++++++++++++ 1 file changed, 148 insertions(+) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 254fc11..34ccb04 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -789,6 +789,154 @@ private void save() { } } } +/*================================7===================================*/ +/** + * 打开文件 + */ +private void openFile() { + if(flag==2 && this.currentPath==null){ + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); //另存为 + } + }else if(flag==2 && this.currentPath!=null){ + //2、（打开的文件2，保存的文件3）条件下修改 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); //保存 + } + } + //打开文件选择框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showOpenDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件 + File file=choose.getSelectedFile(); + //打开已存在的文件，提前将文件名存起来 + currentFileName=file.getName(); + //存在文件全路径 + currentPath=file.getAbsolutePath(); + flag=3; + this.setTitle(this.currentPath); + BufferedReader br=null; + try { + //建立文件流[字符流] + InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); + br=new BufferedReader(isr);//动态绑定 + //读取内容 + StringBuffer sb=new StringBuffer(); + String line=null; + while((line=br.readLine())!=null){ + sb.append(line+System.lineSeparator()); + } + //显示在文本框[多框] + textArea.setText(sb.toString()); + } catch (FileNotFoundException e1) { + e1.printStackTrace(); + } catch (IOException e1) { + e1.printStackTrace(); + } finally{ + try { + if(br!=null) br.close(); + } catch (Exception e1) { + e1.printStackTrace(); + } + } + } +} +/*================================================================*/ + + +/*=============================9===================================*/ +public void Print() +{ + try{ + p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p + g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 + //g.translate(120,200);//改变组建的位置 + this.textArea.printAll(g); + p.end();//释放对象 g + } + catch(Exception a){ + + } +} +/*================================================================*/ + + +private static void addPopup(Component component, final JPopupMenu popup) { + component.addMouseListener(new MouseAdapter() { + public void mousePressed(MouseEvent e) { + if (e.isPopupTrigger()) { //判断用户是否要求弹出菜单 + showMenu(e); + } + } + public void mouseReleased(MouseEvent e) { + if (e.isPopupTrigger()) { + showMenu(e); + } + } + private void showMenu(MouseEvent e) { + popup.show(e.getComponent(), e.getX(), e.getY()); + } + }); +} + +public void cut(){ + copy(); + //标记开始位置 + int start = this.textArea.getSelectionStart(); + //标记结束位置 + int end = this.textArea.getSelectionEnd(); + //删除所选段 + this.textArea.replaceRange("", start, end); + +} + +public void copy(){ + //拖动选取文本 + String temp = this.textArea.getSelectedText(); + //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 + StringSelection text = new StringSelection(temp); + //把内容放在剪贴板 + this.clipboard.setContents(text, null); +} + + public void paste(){ + //Transferable接口，把剪贴板的内容转换成数据 + Transferable contents = this.clipboard.getContents(this); + //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 + DataFlavor flavor = DataFlavor.stringFlavor; + //如果可以转换 + if(contents.isDataFlavorSupported(flavor)){ + String str; + try {//开始转换 + str=(String)contents.getTransferData(flavor); + //如果要粘贴时，鼠标已经选中了一些字符 + if(this.textArea.getSelectedText()!=null){ + //定位被选中字符的开始位置 + int start = this.textArea.getSelectionStart(); + //定位被选中字符的末尾位置 + int end = this.textArea.getSelectionEnd(); + //把粘贴的内容替换成被选中的内容 + this.textArea.replaceRange(str, start, end); + }else{ + //获取鼠标所在TextArea的位置 + int mouse = this.textArea.getCaretPosition(); + //在鼠标所在的位置粘贴内容 + this.textArea.insert(str, mouse); + } + } catch(UnsupportedFlavorException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } catch(IllegalArgumentException e){ + e.printStackTrace(); + } + } + } /*===================================================================*/ private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { // TODO 自动生成的方法存根 -- Gitee From 86a573ebb7b8d1b268b7d6f8541b2d98277df438 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Thu, 10 Jun 2021 13:31:45 +0800 Subject: [PATCH 12/15] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BA=86=E4=B9=8B?= =?UTF-8?q?=E5=89=8D=E4=BB=A3=E7=A0=81=E6=B3=A8=E9=87=8A=E8=AF=B4=E6=98=8E?= =?UTF-8?q?=EF=BC=8C=E6=94=B9=E8=BF=9B=E4=BA=86=E5=B8=AE=E5=8A=A9=E8=AF=B4?= =?UTF-8?q?=E6=98=8E=E6=96=87=E6=A1=A3=EF=BC=8C=E5=B9=B6=E8=BF=9B=E8=A1=8C?= =?UTF-8?q?=E8=AE=BE=E7=BD=AE=E6=9F=A5=E6=89=BE=E4=B8=8E=E6=9B=BF=E6=8D=A2?= =?UTF-8?q?=E7=9A=84=E5=AF=B9=E8=AF=9D=E6=A1=86=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 1463 ++++++++++++---------- 1 file changed, 817 insertions(+), 646 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 34ccb04..467a489 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -1,25 +1,79 @@ -package java2020spring; +package java2020spring; import java.awt.BorderLayout; import java.awt.Color; +import java.awt.Component; +import java.awt.Container; +import java.awt.Dimension; import java.awt.EventQueue; +import java.awt.FlowLayout; +import java.awt.Font; +import java.awt.Graphics; +import java.awt.GridLayout; +import java.awt.Image; +import java.awt.PrintJob; +import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; +import java.awt.datatransfer.DataFlavor; +import java.awt.datatransfer.StringSelection; +import java.awt.datatransfer.Transferable; +import java.awt.datatransfer.UnsupportedFlavorException; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; +import java.awt.event.InputEvent; +import java.awt.event.KeyAdapter; +import java.awt.event.KeyEvent; +import java.awt.event.MouseAdapter; +import java.awt.event.MouseEvent; +import java.awt.event.WindowAdapter; +import java.awt.event.WindowEvent; +import java.awt.print.PageFormat; +import java.awt.print.PrinterJob; +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileWriter; +import java.io.IOException; +import java.io.InputStreamReader; import java.util.Calendar; import java.util.GregorianCalendar; -import javax.swing.border.*; +import javax.swing.BorderFactory; +import javax.swing.ButtonGroup; +import javax.swing.ImageIcon; +import javax.swing.JButton; +import javax.swing.JCheckBox; +import javax.swing.JCheckBoxMenuItem; +import javax.swing.JColorChooser; +import javax.swing.JDialog; +import javax.swing.JFileChooser; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JMenu; +import javax.swing.JMenuBar; +import javax.swing.JMenuItem; +import javax.swing.JOptionPane; +import javax.swing.JPanel; +import javax.swing.JPopupMenu; +import javax.swing.JRadioButton; +import javax.swing.JScrollPane; +import javax.swing.JSeparator; +import javax.swing.JTextArea; +import javax.swing.JTextField; +import javax.swing.JToolBar; +import javax.swing.KeyStroke; +import javax.swing.UIManager; +import javax.swing.UnsupportedLookAndFeelException; +import javax.swing.border.EmptyBorder; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; import javax.swing.undo.UndoManager; -import javax.swing.*; -import javax.swing.JPopupMenu.*; - +//各种UndoableEdit实例通过addEdit方法加入UndoManager，通过调用UndoManager的undo/redo方法来实现Undo/Redo功能。 public class NotepadMainFrame extends JFrame implements ActionListener{ /** * 序列号 */ - private static final long serialVersionUID = 8585210209467333480L; + //private static final long serialVersionUID = 8585210209467333480L;//实现序列化接口的实体能够兼容先前版本，就需要显示的定义一个serialVersionUID private JPanel contentPane; private JTextArea textArea; private JMenuItem itemOpen; @@ -33,6 +87,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ //当前文件名 String currentFileName=null; + PrintJob p=null;//声明一个要打印的对象 + Graphics g=null;//要打印的对象 + + //当前文件路径 + String currentPath=null; //背景颜色 JColorChooser jcc1=null; @@ -42,53 +101,55 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ int linenum = 1; int columnnum = 1; - + //撤销管理器 + public UndoManager undoMgr = new UndoManager(); //剪贴板 public Clipboard clipboard = new Clipboard("系统剪切板"); - - private JMenuItem itemSaveAs; - private JMenuItem itemNew; - private JMenuItem itemPage; - private JSeparator separator; - private JMenuItem itemPrint; - private JMenuItem itemExit; - private JSeparator separator_1; - private JMenu itemEdit; - private JMenu itFormat; - private JMenu itemCheck; - private JMenu itemHelp; - private JMenuItem itemSearchForHelp; - private JMenuItem itemAboutNotepad; - private JMenuItem itemUndo; - private JMenuItem itemCut; - private JMenuItem itemCopy; - private JMenuItem itemPaste; - private JMenuItem itemDelete; - private JMenuItem itemFind; - private JMenuItem itemFindNext; - private JMenuItem itemReplace; - private JMenuItem itemTurnTo; - private JMenuItem itemSelectAll; - private JMenuItem itemTime; - private JMenuItem itemFont; - private JMenuItem itemColor; - private JMenuItem itemFontColor; - private JCheckBoxMenuItem itemNextLine; - private JScrollPane scrollPane; - private JCheckBoxMenuItem itemStatement; - private JToolBar toolState; - public static JLabel label1; - private JLabel label2; - private JLabel label3; - int length=0; - int sum=0; - public UndoManager undoMgr = new UndoManager(); + private JMenuItem itemSaveAs; + private JMenuItem itemNew; + private JMenuItem itemPage; + private JSeparator separator; + private JMenuItem itemPrint; + private JMenuItem itemExit; + private JSeparator separator_1; + private JMenu itemEdit; + private JMenu itFormat; + private JMenu itemCheck; + private JMenu itemHelp; + private JMenuItem itemSearchForHelp; + private JMenuItem itemAboutNotepad; + private JMenuItem itemUndo; + private JMenuItem itemCut; + private JMenuItem itemCopy; + private JMenuItem itemPaste; + private JMenuItem itemDelete; + private JMenuItem itemFind; + private JMenuItem itemFindNext; + private JMenuItem itemReplace; + private JMenuItem itemTurnTo; + private JMenuItem itemSelectAll; + private JMenuItem itemTime; + private JMenuItem itemFont; + private JMenuItem itemColor; + private JMenuItem itemFontColor; + private JCheckBoxMenuItem itemNextLine; + private JScrollPane scrollPane; + private JCheckBoxMenuItem itemStatement; + private JToolBar toolState; + public static JLabel label1; + private JLabel label2; + private JLabel label3; + int length=0; + int sum=0; + /** * Launch the application. */ - public static void main(String[] args) { + public static void main(String[] args) { + //使事件派发线程上的可运行对象排队。当可运行对象排在事件派发队列的队首时，就调用其run方法。 + //其效果是允许事件派发线程调用另一个线程中的任意一个代码块，只有从事件派发线程才能更新组件。 EventQueue.invokeLater(new Runnable() { public void run() { try { @@ -101,11 +162,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ }); } - GregorianCalendar c=new GregorianCalendar(); + GregorianCalendar c=new GregorianCalendar(); //构造一个具有给定日期和时间设置的 GregorianCalendar int hour=c.get(Calendar.HOUR_OF_DAY); int min=c.get(Calendar.MINUTE); int second=c.get(Calendar.SECOND); - private JPopupMenu popupMenu; + private JPopupMenu popupMenu;//弹出式菜单、右键菜单 private JMenuItem popM_Undo; private JMenuItem popM_Cut; private JMenuItem popM_Copy; @@ -117,7 +178,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private JMenuItem popM_closeIMe; private JMenuItem popM_InsertUnicode; private JMenuItem popM_RestartSelect; - private JSeparator separator_2; + private JSeparator separator_2; //添加一条分隔符 private JSeparator separator_3; private JSeparator separator_4; private JSeparator separator_5; @@ -126,12 +187,15 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private JSeparator separator_7; private JSeparator separator_8; private JMenuItem popM_Redo; + + + /** * Create the frame. */ public NotepadMainFrame() { try { - UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); + UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());//把图形界面外观设置成用户所使用的平台的外观 } catch (ClassNotFoundException e1) { e1.printStackTrace(); } catch (InstantiationException e1) { @@ -141,29 +205,34 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ } catch (UnsupportedLookAndFeelException e1) { e1.printStackTrace(); } - setTitle("notepad"); + setTitle("notepad"); + + setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); setBounds(100, 100, 521, 572); - JMenuBar menuBar = new JMenuBar(); setJMenuBar(menuBar); + + + + //第一个菜单 JMenu itemFile = new JMenu("文件(F)"); - itemFile.setMnemonic('F'); + itemFile.setMnemonic('F'); //设置键盘助记符 menuBar.add(itemFile); itemNew = new JMenuItem("新建(N)",'N'); - itemNew.setAccelerator(KeyStroke.getKeyStroke("control N ")); + itemNew.setAccelerator(KeyStroke.getKeyStroke("control N")); itemNew.addActionListener(this); itemFile.add(itemNew); itemOpen = new JMenuItem("打开(O)",'O'); - itemOpen.setAccelerator(KeyStroke.getKeyStroke("control O ")); + itemOpen.setAccelerator(KeyStroke.getKeyStroke("control O")); itemOpen.addActionListener(this); itemFile.add(itemOpen); itemSave = new JMenuItem("保存(S)"); - itemSave.setAccelerator(KeyStroke.getKeyStroke("control S ")); + itemSave.setAccelerator(KeyStroke.getKeyStroke("control S")); itemSave.addActionListener(this); itemFile.add(itemSave); @@ -179,7 +248,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemFile.add(itemPage); itemPrint = new JMenuItem("打印(P)...",'P'); - itemPrint.setAccelerator(KeyStroke.getKeyStroke("control P ")); + itemPrint.setAccelerator(KeyStroke.getKeyStroke("control P")); itemPrint.addActionListener(this); itemFile.add(itemPrint); @@ -189,7 +258,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemExit = new JMenuItem("退出(X)",'X'); itemExit.addActionListener(this); itemFile.add(itemExit); - + //第二个菜单 itemEdit = new JMenu("编辑(E)"); itemEdit.setMnemonic('E'); menuBar.add(itemEdit); @@ -200,12 +269,12 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemEdit.add(itemUndo); itemRedo = new JMenuItem("恢复(R)"); - itemRedo.setAccelerator(KeyStroke.getKeyStroke("control R ")); + itemRedo.setAccelerator(KeyStroke.getKeyStroke("control R")); itemRedo.addActionListener(this); itemEdit.add(itemRedo); itemCut = new JMenuItem("剪切(T)",'T'); - itemCut.setAccelerator(KeyStroke.getKeyStroke("control X ")); + itemCut.setAccelerator(KeyStroke.getKeyStroke("control X")); itemCut.addActionListener(this); separator_6 = new JSeparator(); @@ -214,7 +283,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemCopy = new JMenuItem("复制(C)",'C'); itemCopy.addActionListener(this); - itemCopy.setAccelerator(KeyStroke.getKeyStroke("control C ")); + itemCopy.setAccelerator(KeyStroke.getKeyStroke("control C")); itemEdit.add(itemCopy); itemPaste = new JMenuItem("粘贴(P)",'P'); @@ -224,14 +293,14 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemDelete = new JMenuItem("删除(L)",'L'); itemDelete.addActionListener(this); - itemDelete.setAccelerator(KeyStroke.getKeyStroke("control D ")); + itemDelete.setAccelerator(KeyStroke.getKeyStroke("control D")); itemEdit.add(itemDelete); separator_7 = new JSeparator(); itemEdit.add(separator_7); itemFind = new JMenuItem("查找(F)",'F'); - itemFind.setAccelerator(KeyStroke.getKeyStroke("control F ")); + itemFind.setAccelerator(KeyStroke.getKeyStroke("control F")); itemFind.addActionListener(this); itemEdit.add(itemFind); @@ -242,26 +311,32 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemReplace = new JMenuItem("替换(R)",'R'); itemReplace.addActionListener(this); - itemReplace.setAccelerator(KeyStroke.getKeyStroke("control H ")); + itemReplace.setAccelerator(KeyStroke.getKeyStroke("control H")); itemEdit.add(itemReplace); itemTurnTo = new JMenuItem("转到(G)",'G'); itemTurnTo.addActionListener(this); - itemTurnTo.setAccelerator(KeyStroke.getKeyStroke("control G ")); + itemTurnTo.setAccelerator(KeyStroke.getKeyStroke("control G")); itemEdit.add(itemTurnTo); itemSelectAll = new JMenuItem("全选(A)",'A'); - itemSelectAll.setAccelerator(KeyStroke.getKeyStroke("control A ")); + itemSelectAll.setAccelerator(KeyStroke.getKeyStroke("control A")); itemSelectAll.addActionListener(this); separator_8 = new JSeparator(); itemEdit.add(separator_8); itemEdit.add(itemSelectAll); + + + + + itemTime = new JMenuItem("时间/日期(D)",'D'); itemTime.addActionListener(this); itemTime.setAccelerator(KeyStroke.getKeyStroke("F5")); itemEdit.add(itemTime); + //第三个菜单 itFormat = new JMenu("格式(O)"); itFormat.setMnemonic('O'); menuBar.add(itFormat); @@ -282,6 +357,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemFontColor.addActionListener(this); itFormat.add(itemFontColor); + //第四个菜单 itemCheck = new JMenu("查看(V)"); itemCheck.setMnemonic('V'); menuBar.add(itemCheck); @@ -289,7 +365,8 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemStatement = new JCheckBoxMenuItem("状态栏(S)"); itemStatement.addActionListener(this); itemCheck.add(itemStatement); - + + //第五个菜单 itemHelp = new JMenu("帮助(H)"); itemHelp.setMnemonic('H'); menuBar.add(itemHelp); @@ -302,453 +379,554 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemAboutNotepad.addActionListener(this); itemHelp.add(itemAboutNotepad); contentPane = new JPanel(); - TitledBorder title=new TitledBorder(new LineBorder(Color.BLACK),""); - contentPane.setBorder(title); + contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); + //设置边框布局 - contentPane.setLayout(new BorderLayout(5,5)); + contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); textArea = new JTextArea(); - //VERTICAL垂直 HORIZONTAL水平 + //设置滚动条 VERTICAL垂直 HORIZONTAL水平 scrollPane = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); - + //contentPane2=new JPanel(); //contentPane2.setSize(10,textArea.getSize().height); //contentPane.add(contentPane2, BorderLayout.WEST); - popupMenu = new JPopupMenu(); - addPopup(textArea, popupMenu); - - popM_Undo = new JMenuItem("撤销(U)"); - popM_Undo.addActionListener(this); - popupMenu.add(popM_Undo); - - popM_Redo = new JMenuItem("恢复(R)"); - popM_Redo.addActionListener(this); - popupMenu.add(popM_Redo); - - separator_2 = new JSeparator(); - popupMenu.add(separator_2); - - popM_Cut = new JMenuItem("剪切(T)"); - popM_Cut.addActionListener(this); - popupMenu.add(popM_Cut); - - popM_Copy = new JMenuItem("复制(C)"); - popM_Copy.addActionListener(this); - popupMenu.add(popM_Copy); - - popM_Paste = new JMenuItem("粘贴(P)"); - popM_Paste.addActionListener(this); - popupMenu.add(popM_Paste); - - popM_Delete = new JMenuItem("删除(D)"); - popM_Delete.addActionListener(this); - popupMenu.add(popM_Delete); - - separator_3 = new JSeparator(); - popupMenu.add(separator_3); - - popM_SelectAll = new JMenuItem("全选(A)"); - popM_SelectAll.addActionListener(this); - popupMenu.add(popM_SelectAll); - - separator_4 = new JSeparator(); - popupMenu.add(separator_4); - - popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); - popM_toLeft.addActionListener(this); - popupMenu.add(popM_toLeft); - - popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); - popM_showUnicode.addActionListener(this); - popupMenu.add(popM_showUnicode); - - popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); - popM_InsertUnicode.addActionListener(this); - popupMenu.add(popM_InsertUnicode); - - separator_5 = new JSeparator(); - popupMenu.add(separator_5); + + + //设置右键弹出的菜单 + popupMenu = new JPopupMenu(); + addPopup(textArea, popupMenu); + + + popM_Undo = new JMenuItem("撤销(U)"); + popM_Undo.addActionListener(this); + popupMenu.add(popM_Undo); + + popM_Redo = new JMenuItem("恢复(R)"); + popM_Redo.addActionListener(this); + popupMenu.add(popM_Redo); + + separator_2 = new JSeparator(); + popupMenu.add(separator_2); + + popM_Cut = new JMenuItem("剪切(T)"); + popM_Cut.addActionListener(this); + popupMenu.add(popM_Cut); + + popM_Copy = new JMenuItem("复制(C)"); + popM_Copy.addActionListener(this); + popupMenu.add(popM_Copy); + + popM_Paste = new JMenuItem("粘贴(P)"); + popM_Paste.addActionListener(this); + popupMenu.add(popM_Paste); + + popM_Delete = new JMenuItem("删除(D)"); + popM_Delete.addActionListener(this); + popupMenu.add(popM_Delete); + + separator_3 = new JSeparator(); + popupMenu.add(separator_3); + + popM_SelectAll = new JMenuItem("全选(A)"); + popM_SelectAll.addActionListener(this); + popupMenu.add(popM_SelectAll); + + separator_4 = new JSeparator(); + popupMenu.add(separator_4); + + popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); + popM_toLeft.addActionListener(this); + popupMenu.add(popM_toLeft); + + popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); + popM_showUnicode.addActionListener(this); + popupMenu.add(popM_showUnicode); + + popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); + popM_InsertUnicode.addActionListener(this); + popupMenu.add(popM_InsertUnicode); + + separator_5 = new JSeparator(); + popupMenu.add(separator_5); + + popM_closeIMe = new JMenuItem("关闭IME(L)"); + popM_closeIMe.addActionListener(this); + popupMenu.add(popM_closeIMe); + + popM_RestartSelect = new JMenuItem("汉字重选(R)"); + popM_RestartSelect.addActionListener(this); + popupMenu.add(popM_RestartSelect); + //添加到面板中【中间】 + contentPane.add(scrollPane, BorderLayout.CENTER); + + //添加撤销管理器 + textArea.getDocument().addUndoableEditListener(undoMgr); + + + //创建一个工具栏 toolBar + toolState = new JToolBar(); + toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); + label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); + toolState.add(label1); + toolState.addSeparator(); + label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); + toolState.add(label2); + toolState.addSeparator(); + + label3 = new JLabel(" 一共 " +length+" 字 "); + toolState.add(label3); + textArea.addCaretListener(new CaretListener() { //记录行数和列数 + public void caretUpdate(CaretEvent e) { + //sum=0; + JTextArea editArea = (JTextArea)e.getSource(); + + try { + int caretpos = editArea.getCaretPosition(); + linenum = editArea.getLineOfOffset(caretpos); + columnnum = caretpos - textArea.getLineStartOffset(linenum); + linenum += 1; + label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); + //sum+=columnnum+1; + //length+=sum; + length=NotepadMainFrame.this.textArea.getText().toString().length(); + label3.setText(" 一共 " +length+" 字 "); + } + catch(Exception ex) { } + }}); + + contentPane.add(toolState, BorderLayout.SOUTH); + toolState.setVisible(false); + toolState.setFloatable(false); + + + + + // 创建弹出菜单 + final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 + textArea.addMouseListener(new MouseAdapter() { + @Override + public void mouseClicked(MouseEvent e) { + if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 + { + jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 + } + } + }); + + isChanged(); + + this.MainFrameWidowListener(); + } + - popM_closeIMe = new JMenuItem("关闭IME(L)"); - popM_closeIMe.addActionListener(this); - popupMenu.add(popM_closeIMe); + /*===============================1====================================*/ + /** + * 是否有变化 + */ + private void isChanged() { + textArea.addKeyListener(new KeyAdapter() { + @Override + public void keyTyped(KeyEvent e) { + //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 + Character c=e.getKeyChar(); + if(c != null && !textArea.getText().toString().equals("")){ + flag=2; + } + } + }); + } + /*===================================================================*/ - popM_RestartSelect = new JMenuItem("汉字重选(R)"); - popM_RestartSelect.addActionListener(this); - popupMenu.add(popM_RestartSelect); - //添加到面板中【中间】 - contentPane.add(scrollPane, BorderLayout.CENTER); - //添加撤销管理器 - textArea.getDocument().addUndoableEditListener(undoMgr); - + /*===============================2====================================*/ + /** + * 新建的或保存过的退出只有两个选择 + */ + private void MainFrameWidowListener() { + this.addWindowListener(new WindowAdapter(){ + @Override + public void windowClosing(WindowEvent e) { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + } + } + }); + } + /*===================================================================*/ - toolState = new JToolBar(); - toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); - label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); - toolState.add(label1); - toolState.addSeparator(); - label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); - toolState.add(label2); - toolState.addSeparator(); - label3 = new JLabel(" 一共 " +length+" 字 "); - toolState.add(label3); - textArea.addCaretListener(new CaretListener() { //记录行数和列数 - public void caretUpdate(CaretEvent e) { - //sum=0; - JTextArea editArea = (JTextArea)e.getSource(); - - try { - int caretpos = editArea.getCaretPosition(); - linenum = editArea.getLineOfOffset(caretpos); - columnnum = caretpos - textArea.getLineStartOffset(linenum); - linenum += 1; - label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); - //sum+=columnnum+1; - //length+=sum; - length=NotepadMainFrame.this.textArea.getText().toString().length(); - label3.setText(" 一共 " +length+" 字 "); + /*==============================3=====================================*/ + /** + * 行为动作 + */ + public void actionPerformed(ActionEvent e) { + if(e.getSource()==itemOpen){ //打开 + openFile(); + }else if(e.getSource()==itemSave){ //保存 + //如果该文件是打开的，就可以直接保存 + save(); + }else if(e.getSource()==itemSaveAs){ //另存为 + saveAs(); + }else if(e.getSource()==itemNew){ //新建 + newFile(); + }else if(e.getSource()==itemExit){ //退出 + exit(); + }else if(e.getSource()==itemPage){ //页面设置 + ///页面设置，百度到的，不知道具体的用法 + PageFormat pf = new PageFormat(); + PrinterJob.getPrinterJob().pageDialog(pf); + }else if(e.getSource()==itemPrint){ //打印 + //打印机 + Print(); + }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 + if(undoMgr.canUndo()){ + undoMgr.undo(); } - catch(Exception ex) { } - }}); - - contentPane.add(toolState, BorderLayout.SOUTH); - toolState.setVisible(false); - toolState.setFloatable(false); - - // 创建弹出菜单 - final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 - textArea.addMouseListener(new MouseAdapter() { - @Override - public void mouseClicked(MouseEvent e) { - if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 - { - jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 + }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 + if(undoMgr.canRedo()){ + undoMgr.redo(); } - } - }); - - isChanged(); - - this.MainFrameWidowListener(); -} - - -/*===============================1====================================*/ -/** - * 是否有变化 - */ -private void isChanged() { - textArea.addKeyListener(new KeyAdapter() { - @Override - public void keyTyped(KeyEvent e) { - //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 - Character c=e.getKeyChar(); - if(c != null && !textArea.getText().toString().equals("")){ - flag=2; + }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 + cut(); + }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 + copy(); + }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 + paste(); + }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 + String tem=textArea.getText().toString(); + textArea.setText(tem.substring(0,textArea.getSelectionStart())); + }else if(e.getSource()==itemFind){ //查找 + mySearch(); + }else if(e.getSource()==itemFindNext){ //查找下一个 + mySearch(); + }else if(e.getSource()==itemReplace){ //替换 + mySearch(); + }else if(e.getSource()==itemTurnTo){ //转到 + turnTo(); + }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 + textArea.selectAll(); + }else if(e.getSource()==itemTime){ //时间/日期 + textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); + }else if(e.getSource()==itemNextLine){ //设置自动换行 + //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 + if(itemNextLine.isSelected()){ + textArea.setLineWrap(true); + }else{ + textArea.setLineWrap(false); } - } - }); -} -/*===================================================================*/ - - -/*===============================2====================================*/ -/** - * 新建的或保存过的退出只有两个选择 - */ -private void MainFrameWidowListener() { - this.addWindowListener(new WindowAdapter(){ - @Override - public void windowClosing(WindowEvent e) { - if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.saveAs(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.save(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } + }else if(e.getSource()==itemFont){ //设置字体大小 + + // 构造字体选择器，参数字体为预设值 + //MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); + //fontChooser.showFontDialog(this); + //Font font = fontChooser.getSelectFont(); + //将字体设置到JTextArea中 + //textArea.setFont(font); + } + + + + else if(e.getSource()==itemColor){ //设置背景颜色 + jcc1 = new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); + color = jcc1.getColor(); + textArea.setBackground(color); + }else if(e.getSource()==itemFontColor){ //设置字体颜色 + jcc1=new JColorChooser(); + JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); + color = jcc1.getColor(); + //String string=textArea.getSelectedText(); + textArea.setForeground(color); + }else if(e.getSource()==itemStatement){ //设置状态 + if(itemStatement.isSelected()){ + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); + toolState.setVisible(true); }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } + //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); + toolState.setVisible(false); } - } - }); -} -/*===================================================================*/ -/*==============================3=====================================*/ -/** - * 行为动作 - */ -public void actionPerformed(ActionEvent e) { - if(e.getSource()==itemOpen){ //打开 - openFile(); - }else if(e.getSource()==itemSave){ //保存 - //如果该文件是打开的，就可以直接保存 - save(); - }else if(e.getSource()==itemSaveAs){ //另存为 - saveAs(); - }else if(e.getSource()==itemNew){ //新建 - newFile(); - }else if(e.getSource()==itemExit){ //退出 - exit(); - }else if(e.getSource()==itemPage){ //页面设置 - ///页面设置，百度到的，不知道具体的用法 - PageFormat pf = new PageFormat(); - PrinterJob.getPrinterJob().pageDialog(pf); - }else if(e.getSource()==itemPrint){ //打印 - //打印机 - Print(); - }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 - if(undoMgr.canUndo()){ - undoMgr.undo(); - } - }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 - if(undoMgr.canRedo()){ - undoMgr.redo(); - } - }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 - cut(); - }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 - copy(); - }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 - paste(); - }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 - String tem=textArea.getText().toString(); - textArea.setText(tem.substring(0,textArea.getSelectionStart())); - }else if(e.getSource()==itemFind){ //查找 - mySearch(); - }else if(e.getSource()==itemFindNext){ //查找下一个 - mySearch(); - }else if(e.getSource()==itemReplace){ //替换 - mySearch(); - }else if(e.getSource()==itemTurnTo){ //转到 - turnTo(); - }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 - textArea.selectAll(); - }else if(e.getSource()==itemTime){ //时间/日期 - textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); - }else if(e.getSource()==itemNextLine){ //设置自动换行 - //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 - if(itemNextLine.isSelected()){ - textArea.setLineWrap(true); - }else{ - textArea.setLineWrap(false); - } - }else if(e.getSource()==itemFont){ //设置字体大小 - // 构造字体选择器，参数字体为预设值 - // MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); - //fontChooser.showFontDialog(this); - // Font font = fontChooser.getSelectFont(); - // 将字体设置到JTextArea中 - //textArea.setFont(font); - }else if(e.getSource()==itemColor){ //设置背景颜色 - jcc1 = new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); - color = jcc1.getColor(); - textArea.setBackground(color); - }else if(e.getSource()==itemFontColor){ //设置字体颜色 - jcc1=new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); - color = jcc1.getColor(); - //String string=textArea.getSelectedText(); - textArea.setForeground(color); - }else if(e.getSource()==itemStatement){ //设置状态 - if(itemStatement.isSelected()){ - //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); - toolState.setVisible(true); - }else{ - //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); - toolState.setVisible(false); - } - }else if(e.getSource()==itemSearchForHelp){ - JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); - }else if(e.getSource()==itemAboutNotepad){ - JOptionPane.showMessageDialog(this, "哈哈","说明文档",1); - } -} -/*===================================================================*/ + }else if(e.getSource()==itemSearchForHelp){ + JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); + }else if(e.getSource()==itemAboutNotepad){ + + class HDialog extends JDialog{ + public HDialog() { + this.setBounds(510,70, 577, 508); + this.setTitle("关于记事本"); + this.setResizable(false); + init(); + setVisible(true); + this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); + } + public void init() { + getContentPane().setLayout(null); + getContentPane().setLayout(null); + JSeparator separator = new JSeparator(); + separator.setBounds(30, 162, 511, 7); + getContentPane().add(separator); + JLabel version = new JLabel("Version:1.0"); + version.setForeground(Color.RED); + version.setFont(new Font("宋体", Font.PLAIN, 26)); + version.setBounds(133, 188, 172, 37); + getContentPane().add(version); + JLabel build = new JLabel("Build:2021-06-10"); + build.setForeground(Color.RED); + build.setFont(new Font("宋体", Font.PLAIN, 26)); + build.setBounds(133, 235, 218, 37); + getContentPane().add(build); + + JLabel author = new JLabel("20信管1班龚茵莎"); + author.setForeground(Color.DARK_GRAY); + author.setFont(new Font("宋体", Font.PLAIN, 26)); + author.setBounds(133, 276, 330, 54); + getContentPane().add(author); + + JLabel xueHao = new JLabel("202025710107"); + xueHao.setFont(new Font("宋体", Font.PLAIN, 26)); + xueHao.setBounds(133, 316, 238, 46); + getContentPane().add(xueHao); + + JLabel title = new JLabel("Notepad"); + title.setForeground(Color.BLACK); + title.setFont(new Font("宋体", Font.PLAIN, 35)); + title.setBounds(150, 36, 166, 92); + getContentPane().add(title); + } + } + HDialog h=new HDialog(); + } + } + /*===================================================================*/ -//转到指定行，弹出对话框 -private void turnTo() { - final JDialog gotoDialog = new JDialog(this, "转到下列行"); - JLabel gotoLabel = new JLabel("行数(L):"); - final JTextField linenum = new JTextField(5); - linenum.setText("1"); - linenum.selectAll(); + //转到指定行，弹出对话框 + private void turnTo() { + final JDialog gotoDialog = new JDialog(this, "转到下列行"); + JLabel gotoLabel = new JLabel("行数(L):"); + final JTextField linenum = new JTextField(5); + linenum.setText("1"); + linenum.selectAll(); - JButton okButton = new JButton("确定"); - okButton.addActionListener(new ActionListener() { + JButton okButton = new JButton("确定"); + okButton.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - int totalLine = textArea.getLineCount(); - int[] lineNumber = new int[totalLine + 1]; - String s = textArea.getText(); - int pos = 0, t = 0; + public void actionPerformed(ActionEvent e) { + int totalLine = textArea.getLineCount(); + int[] lineNumber = new int[totalLine + 1]; + String s = textArea.getText(); + int pos = 0, t = 0; - while (true) { - pos = s.indexOf('\12', pos); - // System.out.println("引索pos:"+pos); - if (pos == -1) - break; - lineNumber[t++] = pos++; - } + while (true) { + pos = s.indexOf('\12', pos); + // System.out.println("引索pos:"+pos); + if (pos == -1) + break; + lineNumber[t++] = pos++; + } - int gt = 1; - try { - gt = Integer.parseInt(linenum.getText());// 转换为基本数据类型int - } catch (NumberFormatException efe) { - JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); - linenum.requestFocus(true); - return; - } + int gt = 1; + try { + gt = Integer.parseInt(linenum.getText());// 转换为基本数据类型int + } catch (NumberFormatException efe) { + JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); + linenum.requestFocus(true); + return; + } - if (gt < 2 || gt >= totalLine) { - if (gt < 2) - textArea.setCaretPosition(0);//将滚动条一直固定在JTextArea的顶端 - else - textArea.setCaretPosition(s.length());//将滚动条滑到JTextArea的底端 - } else - textArea.setCaretPosition(lineNumber[gt - 2] + 1); + if (gt < 2 || gt >= totalLine) { + if (gt < 2) + textArea.setCaretPosition(0);//将滚动条一直固定在JTextArea的顶端 + else + textArea.setCaretPosition(s.length());//将滚动条滑到JTextArea的底端 + } else + textArea.setCaretPosition(lineNumber[gt - 2] + 1); - gotoDialog.dispose(); - } + gotoDialog.dispose(); + } - }); + }); - JButton cancelButton = new JButton("取消"); - cancelButton.addActionListener(new ActionListener() { - public void actionPerformed(ActionEvent e) { - gotoDialog.dispose(); - } - }); + JButton cancelButton = new JButton("取消"); + cancelButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + gotoDialog.dispose(); + } + }); - Container con = gotoDialog.getContentPane(); - con.setLayout(new FlowLayout()); - con.add(gotoLabel); - con.add(linenum); - con.add(okButton); - con.add(cancelButton); + Container con = gotoDialog.getContentPane(); + con.setLayout(new FlowLayout()); + con.add(gotoLabel); + con.add(linenum); + con.add(okButton); + con.add(cancelButton); - gotoDialog.setSize(200, 100); - gotoDialog.setResizable(false); - gotoDialog.setLocation(300, 280); - gotoDialog.setVisible(true); -} -/*===============================8====================================*/ -/** - * 推出按钮，和窗口的红叉实现一样的功能 - */ -private void exit() { - if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.saveAs(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.save(); - }else if(result==JOptionPane.NO_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); - } - }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - NotepadMainFrame.this.dispose(); - NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + gotoDialog.setSize(200, 100); + gotoDialog.setResizable(false); + gotoDialog.setLocation(300, 280); + gotoDialog.setVisible(true); + } + + + /*===============================8====================================*/ + /** + * 推出按钮，和窗口的红叉实现一样的功能 + */ + private void exit() { + if(flag==2 && currentPath==null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.saveAs(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else if(flag==2 && currentPath!=null){ + //这是弹出小窗口 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.save(); + }else if(result==JOptionPane.NO_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } + }else{ + //这是弹出小窗口 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + NotepadMainFrame.this.dispose(); + NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); + } } } -} -/*===============================4====================================*/ -/** - * 新建文件，只有改过的和保存过的需要处理 - */ -private void newFile() { - if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 - return; - }else if(flag==2 && this.currentPath==null){ //修改后 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.saveAs(); //另存为 - }else if(result==JOptionPane.NO_OPTION){ + /*===================================================================*/ + + + /*===============================4====================================*/ + /** + * 新建文件，只有改过的和保存过的需要处理 + */ + private void newFile() { + if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 + return; + }else if(flag==2 && this.currentPath==null){ //修改后 + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); //另存为 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + return; + }else if(flag==2 && this.currentPath!=null ){ + //2、（保存的文件为3）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); //直接保存，有路径 + }else if(result==JOptionPane.NO_OPTION){ + this.textArea.setText(""); + this.setTitle("无标题"); + flag=1; + } + }else if(flag==3){ //保存的文件 this.textArea.setText(""); - this.setTitle("无标题"); flag=1; - } - return; - }else if(flag==2 && this.currentPath!=null ){ - //2、（保存的文件为3）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.save(); //直接保存，有路径 - }else if(result==JOptionPane.NO_OPTION){ - this.textArea.setText(""); this.setTitle("无标题"); - flag=1; } - }else if(flag==3){ //保存的文件 - this.textArea.setText(""); - flag=1; - this.setTitle("无标题"); } -} -/*===================================================================*/ -/*===============================5====================================*/ -/** - * 另存为 - */ -private void saveAs() { - //打开保存框 - JFileChooser choose=new JFileChooser(); - //选择文件 - int result=choose.showSaveDialog(this); - if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件[文件名是自己输入的] - File file=choose.getSelectedFile(); + /*===================================================================*/ + + + /*===============================5====================================*/ + /** + * 另存为 + */ + private void saveAs() { + //打开保存框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showSaveDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件[文件名是自己输入的] + File file=choose.getSelectedFile(); + FileWriter fw=null; + //保存 + try { + fw=new FileWriter(file); + fw.write(textArea.getText()); + currentFileName=file.getName(); + currentPath=file.getAbsolutePath(); + //如果比较少，需要写 + fw.flush(); + this.flag=3; + this.setTitle(currentPath); + } catch (IOException e1) { + e1.printStackTrace(); //在命令行打印异常信息在程序中出错的位置及原因。 + }finally{ + try { + if(fw!=null) fw.close(); + } catch (IOException e1) { + e1.printStackTrace(); + } + } + } + } + /*===================================================================*/ + + + /*===============================6====================================*/ + /** + * 保存 + */ + private void save() { + if(this.currentPath==null){ + this.saveAs(); + if(this.currentPath==null){ + return; + } + } FileWriter fw=null; //保存 try { - fw=new FileWriter(file); + fw=new FileWriter(new File(currentPath)); fw.write(textArea.getText()); - currentFileName=file.getName(); - currentPath=file.getAbsolutePath(); //如果比较少，需要写 fw.flush(); - this.flag=3; - this.setTitle(currentPath); + flag=3; + this.setTitle(this.currentPath); } catch (IOException e1) { - e1.printStackTrace(); //在命令行打印异常信息在程序中出错的位置及原因。 + e1.printStackTrace(); }finally{ try { if(fw!=null) fw.close(); @@ -757,195 +935,188 @@ private void saveAs() { } } } -} -/*===================================================================*/ -/*===============================6====================================*/ -/** - * 保存 - */ -private void save() { - if(this.currentPath==null){ - this.saveAs(); - if(this.currentPath==null){ - return; - } - } - FileWriter fw=null; - //保存 - try { - fw=new FileWriter(new File(currentPath)); - fw.write(textArea.getText()); - //如果比较少，需要写 - fw.flush(); - flag=3; - this.setTitle(this.currentPath); - } catch (IOException e1) { - e1.printStackTrace(); - }finally{ - try { - if(fw!=null) fw.close(); - } catch (IOException e1) { - e1.printStackTrace(); - } - } -} -/*================================7===================================*/ -/** - * 打开文件 - */ -private void openFile() { - if(flag==2 && this.currentPath==null){ - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.saveAs(); //另存为 - } - }else if(flag==2 && this.currentPath!=null){ - //2、（打开的文件2，保存的文件3）条件下修改 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - if(result==JOptionPane.OK_OPTION){ - this.save(); //保存 - } - } - //打开文件选择框 - JFileChooser choose=new JFileChooser(); - //选择文件 - int result=choose.showOpenDialog(this); - if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件 - File file=choose.getSelectedFile(); - //打开已存在的文件，提前将文件名存起来 - currentFileName=file.getName(); - //存在文件全路径 - currentPath=file.getAbsolutePath(); - flag=3; - this.setTitle(this.currentPath); - BufferedReader br=null; - try { - //建立文件流[字符流] - InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); - br=new BufferedReader(isr);//动态绑定 - //读取内容 - StringBuffer sb=new StringBuffer(); - String line=null; - while((line=br.readLine())!=null){ - sb.append(line+System.lineSeparator()); + /*===================================================================*/ + + + /*================================7===================================*/ + /** + * 打开文件 + */ + private void openFile() { + if(flag==2 && this.currentPath==null){ + //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.saveAs(); //另存为 } - //显示在文本框[多框] - textArea.setText(sb.toString()); - } catch (FileNotFoundException e1) { - e1.printStackTrace(); - } catch (IOException e1) { - e1.printStackTrace(); - } finally{ + }else if(flag==2 && this.currentPath!=null){ + //2、（打开的文件2，保存的文件3）条件下修改 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + if(result==JOptionPane.OK_OPTION){ + this.save(); //保存 + } + } + //打开文件选择框 + JFileChooser choose=new JFileChooser(); + //选择文件 + int result=choose.showOpenDialog(this); + if(result==JFileChooser.APPROVE_OPTION){ + //取得选择的文件 + File file=choose.getSelectedFile(); + //打开已存在的文件，提前将文件名存起来 + currentFileName=file.getName(); + //存在文件全路径 + currentPath=file.getAbsolutePath(); + flag=3; + this.setTitle(this.currentPath); + BufferedReader br=null; try { - if(br!=null) br.close(); - } catch (Exception e1) { + //建立文件流[字符流] + InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); + br=new BufferedReader(isr);//动态绑定 + //读取内容 + StringBuffer sb=new StringBuffer(); + String line=null; + while((line=br.readLine())!=null){ + sb.append(line+System.lineSeparator()); //append追加字符串 + } + //显示在文本框[多框] + textArea.setText(sb.toString()); + } catch (FileNotFoundException e1) { + e1.printStackTrace(); + } catch (IOException e1) { e1.printStackTrace(); + } finally{ + try { + if(br!=null) br.close(); + } catch (Exception e1) { + e1.printStackTrace(); + } } } } -} -/*================================================================*/ + /*================================================================*/ + + /*=============================9===================================*/ + public void Print() + { + try{ + p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p + g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 + //g.translate(120,200);//改变组建的位置 + this.textArea.printAll(g); + p.end();//释放对象 g + } + catch(Exception a){ -/*=============================9===================================*/ -public void Print() -{ - try{ - p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p - g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 - //g.translate(120,200);//改变组建的位置 - this.textArea.printAll(g); - p.end();//释放对象 g + } } - catch(Exception a){ - - } -} -/*================================================================*/ - - -private static void addPopup(Component component, final JPopupMenu popup) { - component.addMouseListener(new MouseAdapter() { - public void mousePressed(MouseEvent e) { - if (e.isPopupTrigger()) { //判断用户是否要求弹出菜单 - showMenu(e); + /*================================================================*/ + + + private static void addPopup(Component component, final JPopupMenu popup) { + component.addMouseListener(new MouseAdapter() { + public void mousePressed(MouseEvent e) { + if (e.isPopupTrigger()) { //判断用户是否要求弹出菜单 + showMenu(e); + } } - } - public void mouseReleased(MouseEvent e) { - if (e.isPopupTrigger()) { - showMenu(e); + public void mouseReleased(MouseEvent e) { + if (e.isPopupTrigger()) { + showMenu(e); + } } - } - private void showMenu(MouseEvent e) { - popup.show(e.getComponent(), e.getX(), e.getY()); - } - }); -} - -public void cut(){ - copy(); - //标记开始位置 - int start = this.textArea.getSelectionStart(); - //标记结束位置 - int end = this.textArea.getSelectionEnd(); - //删除所选段 - this.textArea.replaceRange("", start, end); - -} - -public void copy(){ - //拖动选取文本 - String temp = this.textArea.getSelectedText(); - //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 - StringSelection text = new StringSelection(temp); - //把内容放在剪贴板 - this.clipboard.setContents(text, null); -} - - public void paste(){ - //Transferable接口，把剪贴板的内容转换成数据 - Transferable contents = this.clipboard.getContents(this); - //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 - DataFlavor flavor = DataFlavor.stringFlavor; - //如果可以转换 - if(contents.isDataFlavorSupported(flavor)){ - String str; - try {//开始转换 - str=(String)contents.getTransferData(flavor); - //如果要粘贴时，鼠标已经选中了一些字符 - if(this.textArea.getSelectedText()!=null){ - //定位被选中字符的开始位置 - int start = this.textArea.getSelectionStart(); - //定位被选中字符的末尾位置 - int end = this.textArea.getSelectionEnd(); - //把粘贴的内容替换成被选中的内容 - this.textArea.replaceRange(str, start, end); - }else{ - //获取鼠标所在TextArea的位置 - int mouse = this.textArea.getCaretPosition(); - //在鼠标所在的位置粘贴内容 - this.textArea.insert(str, mouse); + private void showMenu(MouseEvent e) { + popup.show(e.getComponent(), e.getX(), e.getY()); } - } catch(UnsupportedFlavorException e) { - e.printStackTrace(); - } catch (IOException e) { - e.printStackTrace(); - } catch(IllegalArgumentException e){ - e.printStackTrace(); + }); + } + + public void cut(){ + copy(); + //标记开始位置 + int start = this.textArea.getSelectionStart(); + //标记结束位置 + int end = this.textArea.getSelectionEnd(); + //删除所选段 + this.textArea.replaceRange("", start, end); + + } + + public void copy(){ + //拖动选取文本 + String temp = this.textArea.getSelectedText(); + //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 + StringSelection text = new StringSelection(temp); + //把内容放在剪贴板 + this.clipboard.setContents(text, null); + } + + public void paste(){ + //Transferable接口，把剪贴板的内容转换成数据 + Transferable contents = this.clipboard.getContents(this); + //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 + DataFlavor flavor = DataFlavor.stringFlavor; + //如果可以转换 + if(contents.isDataFlavorSupported(flavor)){ + String str; + try {//开始转换 + str=(String)contents.getTransferData(flavor); + //如果要粘贴时，鼠标已经选中了一些字符 + if(this.textArea.getSelectedText()!=null){ + //定位被选中字符的开始位置 + int start = this.textArea.getSelectionStart(); + //定位被选中字符的末尾位置 + int end = this.textArea.getSelectionEnd(); + //把粘贴的内容替换成被选中的内容 + this.textArea.replaceRange(str, start, end); + }else{ + //获取鼠标所在TextArea的位置 + int mouse = this.textArea.getCaretPosition(); + //在鼠标所在的位置粘贴内容 + this.textArea.insert(str, mouse); + } + } catch(UnsupportedFlavorException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } catch(IllegalArgumentException e){ + e.printStackTrace(); + } } } - } -/*===================================================================*/ - private void addPopup(JTextArea textArea2, JPopupMenu popupMenu2) { - // TODO 自动生成的方法存根 - - } + //设置查找与替换的对话框 + public void mySearch() { + final JDialog findDialog = new JDialog(this, "查找与替换", true); + Container con = findDialog.getContentPane(); + con.setLayout(new FlowLayout(FlowLayout.LEFT)); + JLabel searchContentLabel = new JLabel("查找内容(N) :"); + JLabel replaceContentLabel = new JLabel("替换为(P)　 :"); + final JTextField findText = new JTextField(22); + final JTextField replaceText = new JTextField(22); + final JCheckBox matchcase = new JCheckBox("区分大小写"); + ButtonGroup bGroup = new ButtonGroup(); + final JRadioButton up = new JRadioButton("向上(U)"); + final JRadioButton down = new JRadioButton("向下(D)"); + down.setSelected(true); + bGroup.add(up); + bGroup.add(down); + JButton searchNext = new JButton("查找下一个(F)"); + JButton replace = new JButton("替换(R)"); + final JButton replaceAll = new JButton("全部替换(A)"); + searchNext.setPreferredSize(new Dimension(110, 22)); + replace.setPreferredSize(new Dimension(110, 22)); + replaceAll.setPreferredSize(new Dimension(110, 22)); + // "替换"按钮的事件处理 + replace.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { - - - - - } + if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) + textArea.replaceSelection(""); + if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) + textArea.replaceSelection(replaceText.getText()); + } + }); + }} \ No newline at end of file -- Gitee From f9c367184ed2d612d189a4df23a07992e745e8f1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Thu, 10 Jun 2021 23:40:11 +0800 Subject: [PATCH 13/15] =?UTF-8?q?=E5=AE=8C=E5=96=84=E4=BA=86=E6=9F=A5?= =?UTF-8?q?=E6=89=BE=E4=B8=8E=E6=9B=BF=E6=8D=A2=E5=8A=9F=E8=83=BD=EF=BC=8C?= =?UTF-8?q?=E6=B7=BB=E5=8A=A0"=E6=9B=BF=E6=8D=A2=E5=85=A8=E9=83=A8"?= =?UTF-8?q?=E6=8C=89=E9=92=AE=E7=9A=84=E4=BA=8B=E4=BB=B6=E5=A4=84=E7=90=86?= =?UTF-8?q?=EF=BC=8C"=E6=9F=A5=E6=89=BE=E4=B8=8B=E4=B8=80=E4=B8=AA"?= =?UTF-8?q?=E6=8C=89=E9=92=AE=E4=BA=8B=E4=BB=B6=E5=A4=84=E7=90=86=EF=BC=8C?= =?UTF-8?q?=20"=E5=8F=96=E6=B6=88"=E6=8C=89=E9=92=AE=E5=8F=8A=E4=BA=8B?= =?UTF-8?q?=E4=BB=B6=E5=A4=84=E7=90=86=EF=BC=8C=E4=BB=A5=E5=8F=8A"?= =?UTF-8?q?=E6=9F=A5=E6=89=BE=E4=B8=8E=E6=9B=BF=E6=8D=A2"=E5=AF=B9?= =?UTF-8?q?=E8=AF=9D=E6=A1=86=E7=9A=84=E7=95=8C=E9=9D=A2=E8=AE=BE=E8=AE=A1?= 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javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JCheckBox; @@ -67,45 +69,41 @@ import javax.swing.border.EmptyBorder; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; import javax.swing.undo.UndoManager; -//各种UndoableEdit实例通过addEdit方法加入UndoManager，通过调用UndoManager的undo/redo方法来实现Undo/Redo功能。 +//鍚勭UndoableEdit瀹炰緥閫氳繃addEdit鏂规硶鍔犲叆UndoManager锛岄氳繃璋冪敤UndoManager鐨剈ndo/redo鏂规硶鏉ュ疄鐜癠ndo/Redo鍔熻兘銆 public class NotepadMainFrame extends JFrame implements ActionListener{ - /** - * 序列号 - */ - //private static final long serialVersionUID = 8585210209467333480L;//实现序列化接口的实体能够兼容先前版本，就需要显示的定义一个serialVersionUID private JPanel contentPane; private JTextArea textArea; private JMenuItem itemOpen; private JMenuItem itemSave; - - //1：新建 - //2：修改过 - //3：保存过的 + NotepadMainFrame frame=this; + //1锛氭柊寤 + //2锛氫慨鏀硅繃 + //3锛氫繚瀛樿繃鐨 int flag=0; - //当前文件名 + //褰撳墠鏂囦欢鍚 String currentFileName=null; - PrintJob p=null;//声明一个要打印的对象 - Graphics g=null;//要打印的对象 + PrintJob p=null;//澹版槑涓涓鎵撳嵃鐨勫璞 + Graphics g=null;//瑕佹墦鍗扮殑瀵硅薄 - //当前文件路径 + //褰撳墠鏂囦欢璺緞 String currentPath=null; - //背景颜色 + //鑳屾櫙棰滆壊 JColorChooser jcc1=null; Color color=Color.BLACK; - //文本的行数和列数 + //鏂囨湰鐨勮鏁板拰鍒楁暟 int linenum = 1; int columnnum = 1; - //撤销管理器 + //鎾ら攢绠＄悊鍣 public UndoManager undoMgr = new UndoManager(); - //剪贴板 - public Clipboard clipboard = new Clipboard("系统剪切板"); + //鍓创鏉 + public Clipboard clipboard = new Clipboard("绯荤粺鍓垏鏉"); private JMenuItem itemSaveAs; private JMenuItem itemNew; @@ -148,25 +146,14 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ * Launch the application. */ public static void main(String[] args) { - //使事件派发线程上的可运行对象排队。当可运行对象排在事件派发队列的队首时，就调用其run方法。 - //其效果是允许事件派发线程调用另一个线程中的任意一个代码块，只有从事件派发线程才能更新组件。 - EventQueue.invokeLater(new Runnable() { - public void run() { - try { NotepadMainFrame frame = new NotepadMainFrame(); frame.setVisible(true); - } catch (Exception e) { - e.printStackTrace(); } - } - }); - } - - GregorianCalendar c=new GregorianCalendar(); //构造一个具有给定日期和时间设置的 GregorianCalendar + GregorianCalendar c=new GregorianCalendar(); //鏋勯犱竴涓叿鏈夌粰瀹氭棩鏈熷拰鏃堕棿璁剧疆鐨 GregorianCalendar int hour=c.get(Calendar.HOUR_OF_DAY); int min=c.get(Calendar.MINUTE); int second=c.get(Calendar.SECOND); - private JPopupMenu popupMenu;//弹出式菜单、右键菜单 + private JPopupMenu popupMenu;//寮瑰嚭寮忚彍鍗曘佸彸閿彍鍗 private JMenuItem popM_Undo; private JMenuItem popM_Cut; private JMenuItem popM_Copy; @@ -178,7 +165,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private JMenuItem popM_closeIMe; private JMenuItem popM_InsertUnicode; private JMenuItem popM_RestartSelect; - private JSeparator separator_2; //添加一条分隔符 + private JSeparator separator_2; //娣诲姞涓鏉″垎闅旂 private JSeparator separator_3; private JSeparator separator_4; private JSeparator separator_5; @@ -195,7 +182,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ */ public NotepadMainFrame() { try { - UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());//把图形界面外观设置成用户所使用的平台的外观 + UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());//鎶婂浘褰㈢晫闈㈠瑙傝缃垚鐢ㄦ埛鎵浣跨敤鐨勫钩鍙扮殑澶栬 } catch (ClassNotFoundException e1) { e1.printStackTrace(); } catch (InstantiationException e1) { @@ -206,48 +193,49 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ e1.printStackTrace(); } setTitle("notepad"); - + Toolkit toolkit=Toolkit.getDefaultToolkit(); // 鑾峰彇Toolkit瀵硅薄 + Image icon = toolkit.getImage("new.jpg"); // 鑾峰彇鍥剧墖瀵硅薄 + frame.setIconImage(icon); // 璁剧疆鍥炬爣 setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); setBounds(100, 100, 521, 572); JMenuBar menuBar = new JMenuBar(); setJMenuBar(menuBar); - - - - //第一个菜单 - JMenu itemFile = new JMenu("文件(F)"); - itemFile.setMnemonic('F'); //设置键盘助记符 + + //绗竴涓彍鍗 + + JMenu itemFile = new JMenu("鏂囦欢(F)"); + itemFile.setMnemonic('F'); //璁剧疆閿洏鍔╄绗 menuBar.add(itemFile); - itemNew = new JMenuItem("新建(N)",'N'); + itemNew = new JMenuItem("鏂板缓(N)",'N'); itemNew.setAccelerator(KeyStroke.getKeyStroke("control N")); itemNew.addActionListener(this); itemFile.add(itemNew); - itemOpen = new JMenuItem("打开(O)",'O'); + itemOpen = new JMenuItem("鎵撳紑(O)",'O'); itemOpen.setAccelerator(KeyStroke.getKeyStroke("control O")); itemOpen.addActionListener(this); itemFile.add(itemOpen); - itemSave = new JMenuItem("保存(S)"); + itemSave = new JMenuItem("淇濆瓨(S)"); itemSave.setAccelerator(KeyStroke.getKeyStroke("control S")); itemSave.addActionListener(this); itemFile.add(itemSave); - itemSaveAs = new JMenuItem("另存为(A)"); + itemSaveAs = new JMenuItem("鍙﹀瓨涓(A)"); itemSaveAs.addActionListener(this); itemFile.add(itemSaveAs); separator = new JSeparator(); itemFile.add(separator); - itemPage = new JMenuItem("页面设置(U)",'U'); + itemPage = new JMenuItem("椤甸潰璁剧疆(U)",'U'); itemPage.addActionListener(this); itemFile.add(itemPage); - itemPrint = new JMenuItem("打印(P)...",'P'); + itemPrint = new JMenuItem("鎵撳嵃(P)...",'P'); itemPrint.setAccelerator(KeyStroke.getKeyStroke("control P")); itemPrint.addActionListener(this); itemFile.add(itemPrint); @@ -255,25 +243,25 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ separator_1 = new JSeparator(); itemFile.add(separator_1); - itemExit = new JMenuItem("退出(X)",'X'); + itemExit = new JMenuItem("閫鍑(X)",'X'); itemExit.addActionListener(this); itemFile.add(itemExit); - //第二个菜单 - itemEdit = new JMenu("编辑(E)"); + //绗簩涓彍鍗 + itemEdit = new JMenu("缂栬緫(E)"); itemEdit.setMnemonic('E'); menuBar.add(itemEdit); - itemUndo = new JMenuItem("撤销(U)",'U'); + itemUndo = new JMenuItem("鎾ら攢(U)",'U'); itemUndo.setAccelerator(KeyStroke.getKeyStroke("control Z")); itemUndo.addActionListener(this); itemEdit.add(itemUndo); - itemRedo = new JMenuItem("恢复(R)"); + itemRedo = new JMenuItem("鎭㈠(R)"); itemRedo.setAccelerator(KeyStroke.getKeyStroke("control R")); itemRedo.addActionListener(this); itemEdit.add(itemRedo); - itemCut = new JMenuItem("剪切(T)",'T'); + itemCut = new JMenuItem("鍓垏(T)",'T'); itemCut.setAccelerator(KeyStroke.getKeyStroke("control X")); itemCut.addActionListener(this); @@ -281,17 +269,17 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ itemEdit.add(separator_6); itemEdit.add(itemCut); - itemCopy = new JMenuItem("复制(C)",'C'); + itemCopy = new JMenuItem("澶嶅埗(C)",'C'); itemCopy.addActionListener(this); itemCopy.setAccelerator(KeyStroke.getKeyStroke("control C")); itemEdit.add(itemCopy); - itemPaste = new JMenuItem("粘贴(P)",'P'); + itemPaste = new JMenuItem("绮樿创(P)",'P'); itemPaste.addActionListener(this); itemPaste.setAccelerator(KeyStroke.getKeyStroke("control V")); itemEdit.add(itemPaste); - itemDelete = new JMenuItem("删除(L)",'L'); + itemDelete = new JMenuItem("鍒犻櫎(L)",'L'); itemDelete.addActionListener(this); itemDelete.setAccelerator(KeyStroke.getKeyStroke("control D")); itemEdit.add(itemDelete); @@ -299,95 +287,91 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ separator_7 = new JSeparator(); itemEdit.add(separator_7); - itemFind = new JMenuItem("查找(F)",'F'); + itemFind = new JMenuItem("鏌ユ壘(F)",'F'); itemFind.setAccelerator(KeyStroke.getKeyStroke("control F")); itemFind.addActionListener(this); itemEdit.add(itemFind); - itemFindNext = new JMenuItem("查找下一个(N)",'N'); + itemFindNext = new JMenuItem("鏌ユ壘涓嬩竴涓(N)",'N'); itemFindNext.setAccelerator(KeyStroke.getKeyStroke("F3")); itemFindNext.addActionListener(this); itemEdit.add(itemFindNext); - itemReplace = new JMenuItem("替换(R)",'R'); + itemReplace = new JMenuItem("鏇挎崲(R)",'R'); itemReplace.addActionListener(this); itemReplace.setAccelerator(KeyStroke.getKeyStroke("control H")); itemEdit.add(itemReplace); - itemTurnTo = new JMenuItem("转到(G)",'G'); + itemTurnTo = new JMenuItem("杞埌(G)",'G'); itemTurnTo.addActionListener(this); itemTurnTo.setAccelerator(KeyStroke.getKeyStroke("control G")); itemEdit.add(itemTurnTo); - itemSelectAll = new JMenuItem("全选(A)",'A'); + itemSelectAll = new JMenuItem("鍏ㄩ(A)",'A'); itemSelectAll.setAccelerator(KeyStroke.getKeyStroke("control A")); itemSelectAll.addActionListener(this); separator_8 = new JSeparator(); itemEdit.add(separator_8); itemEdit.add(itemSelectAll); - - - - - - itemTime = new JMenuItem("时间/日期(D)",'D'); + + itemTime = new JMenuItem("鏃堕棿/鏃ユ湡(D)",'D'); itemTime.addActionListener(this); itemTime.setAccelerator(KeyStroke.getKeyStroke("F5")); itemEdit.add(itemTime); - //第三个菜单 - itFormat = new JMenu("格式(O)"); + //绗笁涓彍鍗 + itFormat = new JMenu("鏍煎紡(O)"); itFormat.setMnemonic('O'); menuBar.add(itFormat); - itemNextLine = new JCheckBoxMenuItem("自动换行(W)"); + itemNextLine = new JCheckBoxMenuItem("鑷姩鎹㈣(W)"); itemNextLine.addActionListener(this); itFormat.add(itemNextLine); - itemFont = new JMenuItem("字体大小(F)..."); + itemFont = new JMenuItem("瀛椾綋澶у皬(F)..."); itemFont.addActionListener(this); itFormat.add(itemFont); - itemColor = new JMenuItem("背景颜色(C)..."); + itemColor = new JMenuItem("鑳屾櫙棰滆壊(C)..."); itemColor.addActionListener(this); itFormat.add(itemColor); - itemFontColor = new JMenuItem("字体颜色(I)..."); + itemFontColor = new JMenuItem("瀛椾綋棰滆壊(I)..."); itemFontColor.addActionListener(this); itFormat.add(itemFontColor); - //第四个菜单 - itemCheck = new JMenu("查看(V)"); + //绗洓涓彍鍗 + itemCheck = new JMenu("鏌ョ湅(V)"); itemCheck.setMnemonic('V'); menuBar.add(itemCheck); - itemStatement = new JCheckBoxMenuItem("状态栏(S)"); + itemStatement = new JCheckBoxMenuItem("鐘舵佹爮(S)"); itemStatement.addActionListener(this); itemCheck.add(itemStatement); - //第五个菜单 - itemHelp = new JMenu("帮助(H)"); + //绗簲涓彍鍗 + itemHelp = new JMenu("甯姪(H)"); itemHelp.setMnemonic('H'); menuBar.add(itemHelp); - itemSearchForHelp = new JMenuItem("查看帮助(H)",'H'); + itemSearchForHelp = new JMenuItem("鏌ョ湅甯姪(H)",'H'); itemSearchForHelp.addActionListener(this); itemHelp.add(itemSearchForHelp); - itemAboutNotepad = new JMenuItem("关于记事本(A)",'A'); + itemAboutNotepad = new JMenuItem("鍏充簬璁颁簨鏈(A)",'A'); itemAboutNotepad.addActionListener(this); itemHelp.add(itemAboutNotepad); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); - //设置边框布局 + //璁剧疆杈规甯冨眬 contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); textArea = new JTextArea(); - //设置滚动条 VERTICAL垂直 HORIZONTAL水平 + //璁剧疆婊氬姩鏉 VERTICAL鍨傜洿 HORIZONTAL姘村钩 scrollPane = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); //contentPane2=new JPanel(); @@ -395,90 +379,90 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ //contentPane.add(contentPane2, BorderLayout.WEST); - //设置右键弹出的菜单 + //璁剧疆鍙抽敭寮瑰嚭鐨勮彍鍗 popupMenu = new JPopupMenu(); addPopup(textArea, popupMenu); - popM_Undo = new JMenuItem("撤销(U)"); + popM_Undo = new JMenuItem("鎾ら攢(U)"); popM_Undo.addActionListener(this); popupMenu.add(popM_Undo); - popM_Redo = new JMenuItem("恢复(R)"); + popM_Redo = new JMenuItem("鎭㈠(R)"); popM_Redo.addActionListener(this); popupMenu.add(popM_Redo); separator_2 = new JSeparator(); popupMenu.add(separator_2); - popM_Cut = new JMenuItem("剪切(T)"); + popM_Cut = new JMenuItem("鍓垏(T)"); popM_Cut.addActionListener(this); popupMenu.add(popM_Cut); - popM_Copy = new JMenuItem("复制(C)"); + popM_Copy = new JMenuItem("澶嶅埗(C)"); popM_Copy.addActionListener(this); popupMenu.add(popM_Copy); - popM_Paste = new JMenuItem("粘贴(P)"); + popM_Paste = new JMenuItem("绮樿创(P)"); popM_Paste.addActionListener(this); popupMenu.add(popM_Paste); - popM_Delete = new JMenuItem("删除(D)"); + popM_Delete = new JMenuItem("鍒犻櫎(D)"); popM_Delete.addActionListener(this); popupMenu.add(popM_Delete); separator_3 = new JSeparator(); popupMenu.add(separator_3); - popM_SelectAll = new JMenuItem("全选(A)"); + popM_SelectAll = new JMenuItem("鍏ㄩ(A)"); popM_SelectAll.addActionListener(this); popupMenu.add(popM_SelectAll); separator_4 = new JSeparator(); popupMenu.add(separator_4); - popM_toLeft = new JMenuItem("从右到左的阅读顺序(R)"); + popM_toLeft = new JMenuItem("浠庡彸鍒板乏鐨勯槄璇婚『搴(R)"); popM_toLeft.addActionListener(this); popupMenu.add(popM_toLeft); - popM_showUnicode = new JMenuItem("显示Unicode控制字符(S)"); + popM_showUnicode = new JMenuItem("鏄剧ずUnicode鎺у埗瀛楃(S)"); popM_showUnicode.addActionListener(this); popupMenu.add(popM_showUnicode); - popM_InsertUnicode = new JMenuItem("插入Unicode控制字符(I)"); + popM_InsertUnicode = new JMenuItem("鎻掑叆Unicode鎺у埗瀛楃(I)"); popM_InsertUnicode.addActionListener(this); popupMenu.add(popM_InsertUnicode); separator_5 = new JSeparator(); popupMenu.add(separator_5); - popM_closeIMe = new JMenuItem("关闭IME(L)"); + popM_closeIMe = new JMenuItem("鍏抽棴IME(L)"); popM_closeIMe.addActionListener(this); popupMenu.add(popM_closeIMe); - popM_RestartSelect = new JMenuItem("汉字重选(R)"); + popM_RestartSelect = new JMenuItem("姹夊瓧閲嶉(R)"); popM_RestartSelect.addActionListener(this); popupMenu.add(popM_RestartSelect); - //添加到面板中【中间】 + //娣诲姞鍒伴潰鏉夸腑銆愪腑闂淬 contentPane.add(scrollPane, BorderLayout.CENTER); - //添加撤销管理器 + //娣诲姞鎾ら攢绠＄悊鍣 textArea.getDocument().addUndoableEditListener(undoMgr); - //创建一个工具栏 toolBar + //鍒涘缓涓涓伐鍏锋爮 toolBar toolState = new JToolBar(); toolState.setSize(textArea.getSize().width, 10);//toolState.setLayout(new FlowLayout(FlowLayout.LEFT)); - label1 = new JLabel(" 当前系统时间：" + hour + ":" + min + ":" + second+" "); + label1 = new JLabel(" 褰撳墠绯荤粺鏃堕棿锛" + hour + ":" + min + ":" + second+" "); toolState.add(label1); toolState.addSeparator(); - label2 = new JLabel(" 第 " + linenum + " 行, 第 " + columnnum+" 列 "); + label2 = new JLabel(" 绗 " + linenum + " 琛, 绗 " + columnnum+" 鍒 "); toolState.add(label2); toolState.addSeparator(); - label3 = new JLabel(" 一共 " +length+" 字 "); + label3 = new JLabel(" 涓鍏 " +length+" 瀛 "); toolState.add(label3); - textArea.addCaretListener(new CaretListener() { //记录行数和列数 + textArea.addCaretListener(new CaretListener() { //璁板綍琛屾暟鍜屽垪鏁 public void caretUpdate(CaretEvent e) { //sum=0; JTextArea editArea = (JTextArea)e.getSource(); @@ -488,11 +472,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ linenum = editArea.getLineOfOffset(caretpos); columnnum = caretpos - textArea.getLineStartOffset(linenum); linenum += 1; - label2.setText(" 第 " + linenum + " 行, 第 " + (columnnum+1)+" 列 "); + label2.setText(" 绗 " + linenum + " 琛, 绗 " + (columnnum+1)+" 鍒 "); //sum+=columnnum+1; //length+=sum; length=NotepadMainFrame.this.textArea.getText().toString().length(); - label3.setText(" 一共 " +length+" 字 "); + label3.setText(" 涓鍏 " +length+" 瀛 "); } catch(Exception ex) { } }}); @@ -504,14 +488,14 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ - // 创建弹出菜单 - final JPopupMenu jp=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项 + // 鍒涘缓寮瑰嚭鑿滃崟 + final JPopupMenu jp=new JPopupMenu(); //鍒涘缓寮瑰嚭寮忚彍鍗曪紝涓嬮潰涓夐」鏄彍鍗曢」 textArea.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { - if(e.getButton()==MouseEvent.BUTTON3)//只响应鼠标右键单击事件 + if(e.getButton()==MouseEvent.BUTTON3)//鍙搷搴旈紶鏍囧彸閿崟鍑讳簨浠 { - jp.show(e.getComponent(),e.getX(),e.getY());//在鼠标位置显示弹出式菜单 + jp.show(e.getComponent(),e.getX(),e.getY());//鍦ㄩ紶鏍囦綅缃樉绀哄脊鍑哄紡鑿滃崟 } } }); @@ -524,13 +508,13 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================1====================================*/ /** - * 是否有变化 + * 鏄惁鏈夊彉鍖 */ private void isChanged() { textArea.addKeyListener(new KeyAdapter() { @Override public void keyTyped(KeyEvent e) { - //在这里我进行了对使用快捷键，但是没有输入字符却没有改变textArea中内容的判断 + //鍦ㄨ繖閲屾垜杩涜浜嗗浣跨敤蹇嵎閿紝浣嗘槸娌℃湁杈撳叆瀛楃鍗存病鏈夋敼鍙榯extArea涓唴瀹圭殑鍒ゆ柇 Character c=e.getKeyChar(); if(c != null && !textArea.getText().toString().equals("")){ flag=2; @@ -543,16 +527,16 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================2====================================*/ /** - * 新建的或保存过的退出只有两个选择 + * 鏂板缓鐨勬垨淇濆瓨杩囩殑閫鍑哄彧鏈変袱涓夋嫨 */ private void MainFrameWidowListener() { this.addWindowListener(new WindowAdapter(){ @Override public void windowClosing(WindowEvent e) { if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌鏃犳爣棰?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.saveAs(); }else if(result==JOptionPane.NO_OPTION){ @@ -560,9 +544,9 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); } }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌"+currentPath+"?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.save(); }else if(result==JOptionPane.NO_OPTION){ @@ -570,8 +554,8 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); } }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "纭畾鍏抽棴锛", "绯荤粺鎻愮ず", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.dispose(); NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); @@ -585,87 +569,87 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*==============================3=====================================*/ /** - * 行为动作 + * 琛屼负鍔ㄤ綔 */ public void actionPerformed(ActionEvent e) { - if(e.getSource()==itemOpen){ //打开 + if(e.getSource()==itemOpen){ //鎵撳紑 openFile(); - }else if(e.getSource()==itemSave){ //保存 - //如果该文件是打开的，就可以直接保存 + }else if(e.getSource()==itemSave){ //淇濆瓨 + //濡傛灉璇ユ枃浠舵槸鎵撳紑鐨勶紝灏卞彲浠ョ洿鎺ヤ繚瀛 save(); - }else if(e.getSource()==itemSaveAs){ //另存为 + }else if(e.getSource()==itemSaveAs){ //鍙﹀瓨涓 saveAs(); - }else if(e.getSource()==itemNew){ //新建 + }else if(e.getSource()==itemNew){ //鏂板缓 newFile(); - }else if(e.getSource()==itemExit){ //退出 + }else if(e.getSource()==itemExit){ //閫鍑 exit(); - }else if(e.getSource()==itemPage){ //页面设置 - ///页面设置，百度到的，不知道具体的用法 + }else if(e.getSource()==itemPage){ //椤甸潰璁剧疆 + ///椤甸潰璁剧疆锛岀櫨搴﹀埌鐨勶紝涓嶇煡閬撳叿浣撶殑鐢ㄦ硶 PageFormat pf = new PageFormat(); PrinterJob.getPrinterJob().pageDialog(pf); - }else if(e.getSource()==itemPrint){ //打印 - //打印机 + }else if(e.getSource()==itemPrint){ //鎵撳嵃 + //鎵撳嵃鏈 Print(); - }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //撤销 + }else if(e.getSource()==itemUndo || e.getSource()==popM_Undo){ //鎾ら攢 if(undoMgr.canUndo()){ undoMgr.undo(); } - }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //恢复 + }else if(e.getSource()==itemRedo || e.getSource()==popM_Redo){ //鎭㈠ if(undoMgr.canRedo()){ undoMgr.redo(); } - }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //剪切 + }else if(e.getSource()==itemCut || e.getSource()==popM_Cut){ //鍓垏 cut(); - }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //复制 + }else if(e.getSource()==itemCopy || e.getSource()==popM_Copy){ //澶嶅埗 copy(); - }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //粘贴 + }else if(e.getSource()==itemPaste || e.getSource()==popM_Paste){ //绮樿创 paste(); - }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //删除 + }else if(e.getSource()==itemDelete || e.getSource()==popM_Delete){ //鍒犻櫎 String tem=textArea.getText().toString(); textArea.setText(tem.substring(0,textArea.getSelectionStart())); - }else if(e.getSource()==itemFind){ //查找 + }else if(e.getSource()==itemFind){ //鏌ユ壘 mySearch(); - }else if(e.getSource()==itemFindNext){ //查找下一个 + }else if(e.getSource()==itemFindNext){ //鏌ユ壘涓嬩竴涓 mySearch(); - }else if(e.getSource()==itemReplace){ //替换 + }else if(e.getSource()==itemReplace){ //鏇挎崲 mySearch(); - }else if(e.getSource()==itemTurnTo){ //转到 + }else if(e.getSource()==itemTurnTo){ //杞埌 turnTo(); - }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //选择全部 + }else if(e.getSource()==itemSelectAll || e.getSource()==popM_SelectAll){ //閫夋嫨鍏ㄩ儴 textArea.selectAll(); - }else if(e.getSource()==itemTime){ //时间/日期 + }else if(e.getSource()==itemTime){ //鏃堕棿/鏃ユ湡 textArea.append(hour+":"+min+" "+c.get(Calendar.YEAR)+"/"+(c.get(Calendar.MONTH)+1)+"/"+c.get(Calendar.DAY_OF_MONTH)); - }else if(e.getSource()==itemNextLine){ //设置自动换行 - //设置文本区的换行策略。如果设置为 true，则当行的长度大于所分配的宽度时，将换行。此属性默认为 false。 + }else if(e.getSource()==itemNextLine){ //璁剧疆鑷姩鎹㈣ + //璁剧疆鏂囨湰鍖虹殑鎹㈣绛栫暐銆傚鏋滆缃负 true锛屽垯褰撹鐨勯暱搴﹀ぇ浜庢墍鍒嗛厤鐨勫搴︽椂锛屽皢鎹㈣銆傛灞炴ч粯璁や负 false銆 if(itemNextLine.isSelected()){ textArea.setLineWrap(true); }else{ textArea.setLineWrap(false); } - }else if(e.getSource()==itemFont){ //设置字体大小 + }else if(e.getSource()==itemFont){ //璁剧疆瀛椾綋澶у皬 - // 构造字体选择器，参数字体为预设值 + // 鏋勯犲瓧浣撻夋嫨鍣紝鍙傛暟瀛椾綋涓洪璁惧 //MQFontChooser fontChooser = new MQFontChooser(textArea.getFont()); //fontChooser.showFontDialog(this); //Font font = fontChooser.getSelectFont(); - //将字体设置到JTextArea中 + //灏嗗瓧浣撹缃埌JTextArea涓 //textArea.setFont(font); } - else if(e.getSource()==itemColor){ //设置背景颜色 + else if(e.getSource()==itemColor){ //璁剧疆鑳屾櫙棰滆壊 jcc1 = new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1,"选择背景颜色颜色",-1); + JOptionPane.showMessageDialog(this, jcc1,"閫夋嫨鑳屾櫙棰滆壊棰滆壊",-1); color = jcc1.getColor(); textArea.setBackground(color); - }else if(e.getSource()==itemFontColor){ //设置字体颜色 + }else if(e.getSource()==itemFontColor){ //璁剧疆瀛椾綋棰滆壊 jcc1=new JColorChooser(); - JOptionPane.showMessageDialog(this, jcc1, "选择字体颜色", -1); + JOptionPane.showMessageDialog(this, jcc1, "閫夋嫨瀛椾綋棰滆壊", -1); color = jcc1.getColor(); //String string=textArea.getSelectedText(); textArea.setForeground(color); - }else if(e.getSource()==itemStatement){ //设置状态 + }else if(e.getSource()==itemStatement){ //璁剧疆鐘舵 if(itemStatement.isSelected()){ //scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); toolState.setVisible(true); @@ -674,13 +658,13 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ toolState.setVisible(false); } }else if(e.getSource()==itemSearchForHelp){ - JOptionPane.showMessageDialog(this, "HELLO","行动起来",1); + JOptionPane.showMessageDialog(this, "HELLO","琛屽姩璧锋潵",1); }else if(e.getSource()==itemAboutNotepad){ class HDialog extends JDialog{ public HDialog() { this.setBounds(510,70, 577, 508); - this.setTitle("关于记事本"); + this.setTitle("鍏充簬璁颁簨鏈"); this.setResizable(false); init(); setVisible(true); @@ -694,29 +678,29 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ getContentPane().add(separator); JLabel version = new JLabel("Version:1.0"); version.setForeground(Color.RED); - version.setFont(new Font("宋体", Font.PLAIN, 26)); + version.setFont(new Font("瀹嬩綋", Font.PLAIN, 26)); version.setBounds(133, 188, 172, 37); getContentPane().add(version); JLabel build = new JLabel("Build:2021-06-10"); build.setForeground(Color.RED); - build.setFont(new Font("宋体", Font.PLAIN, 26)); + build.setFont(new Font("瀹嬩綋", Font.PLAIN, 26)); build.setBounds(133, 235, 218, 37); getContentPane().add(build); - JLabel author = new JLabel("20信管1班龚茵莎"); + JLabel author = new JLabel("20淇＄1鐝練鑼佃帋"); author.setForeground(Color.DARK_GRAY); - author.setFont(new Font("宋体", Font.PLAIN, 26)); + author.setFont(new Font("瀹嬩綋", Font.PLAIN, 26)); author.setBounds(133, 276, 330, 54); getContentPane().add(author); JLabel xueHao = new JLabel("202025710107"); - xueHao.setFont(new Font("宋体", Font.PLAIN, 26)); + xueHao.setFont(new Font("瀹嬩綋", Font.PLAIN, 26)); xueHao.setBounds(133, 316, 238, 46); getContentPane().add(xueHao); JLabel title = new JLabel("Notepad"); title.setForeground(Color.BLACK); - title.setFont(new Font("宋体", Font.PLAIN, 35)); + title.setFont(new Font("瀹嬩綋", Font.PLAIN, 35)); title.setBounds(150, 36, 166, 92); getContentPane().add(title); } @@ -726,15 +710,15 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ } /*===================================================================*/ - //转到指定行，弹出对话框 + //杞埌鎸囧畾琛岋紝寮瑰嚭瀵硅瘽妗 private void turnTo() { - final JDialog gotoDialog = new JDialog(this, "转到下列行"); - JLabel gotoLabel = new JLabel("行数(L):"); + final JDialog gotoDialog = new JDialog(this, "杞埌涓嬪垪琛"); + JLabel gotoLabel = new JLabel("琛屾暟(L):"); final JTextField linenum = new JTextField(5); linenum.setText("1"); linenum.selectAll(); - JButton okButton = new JButton("确定"); + JButton okButton = new JButton("纭畾"); okButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { @@ -745,7 +729,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ while (true) { pos = s.indexOf('\12', pos); - // System.out.println("引索pos:"+pos); + // System.out.println("寮曠储pos:"+pos); if (pos == -1) break; lineNumber[t++] = pos++; @@ -753,18 +737,18 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ int gt = 1; try { - gt = Integer.parseInt(linenum.getText());// 转换为基本数据类型int + gt = Integer.parseInt(linenum.getText());// 杞崲涓哄熀鏈暟鎹被鍨媔nt } catch (NumberFormatException efe) { - JOptionPane.showMessageDialog(null, "请输入行数!", "提示", JOptionPane.WARNING_MESSAGE); + JOptionPane.showMessageDialog(null, "璇疯緭鍏ヨ鏁!", "鎻愮ず", JOptionPane.WARNING_MESSAGE); linenum.requestFocus(true); return; } if (gt < 2 || gt >= totalLine) { if (gt < 2) - textArea.setCaretPosition(0);//将滚动条一直固定在JTextArea的顶端 + textArea.setCaretPosition(0);//灏嗘粴鍔ㄦ潯涓鐩村浐瀹氬湪JTextArea鐨勯《绔 else - textArea.setCaretPosition(s.length());//将滚动条滑到JTextArea的底端 + textArea.setCaretPosition(s.length());//灏嗘粴鍔ㄦ潯婊戝埌JTextArea鐨勫簳绔 } else textArea.setCaretPosition(lineNumber[gt - 2] + 1); @@ -773,7 +757,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ }); - JButton cancelButton = new JButton("取消"); + JButton cancelButton = new JButton("鍙栨秷"); cancelButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { gotoDialog.dispose(); @@ -796,13 +780,13 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================8====================================*/ /** - * 推出按钮，和窗口的红叉实现一样的功能 + * 閫鍑烘寜閽紝鍜岀獥鍙ｇ殑绾㈠弶瀹炵幇涓鏍风殑鍔熻兘 */ private void exit() { if(flag==2 && currentPath==null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌鏃犳爣棰?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.saveAs(); }else if(result==JOptionPane.NO_OPTION){ @@ -810,9 +794,9 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); } }else if(flag==2 && currentPath!=null){ - //这是弹出小窗口 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌"+currentPath+"?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.save(); }else if(result==JOptionPane.NO_OPTION){ @@ -820,8 +804,8 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); } }else{ - //这是弹出小窗口 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "确定关闭？", "系统提示", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); + //杩欐槸寮瑰嚭灏忕獥鍙 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "纭畾鍏抽棴锛", "绯荤粺鎻愮ず", JOptionPane.YES_NO_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ NotepadMainFrame.this.dispose(); NotepadMainFrame.this.setDefaultCloseOperation(EXIT_ON_CLOSE); @@ -833,36 +817,36 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================4====================================*/ /** - * 新建文件，只有改过的和保存过的需要处理 + * 鏂板缓鏂囦欢锛屽彧鏈夋敼杩囩殑鍜屼繚瀛樿繃鐨勯渶瑕佸鐞 */ private void newFile() { - if(flag==0 || flag==1){ //刚启动记事本为0，刚新建文档为1 + if(flag==0 || flag==1){ //鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1 return; - }else if(flag==2 && this.currentPath==null){ //修改后 - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + }else if(flag==2 && this.currentPath==null){ //淇敼鍚 + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌鏃犳爣棰?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ - this.saveAs(); //另存为 + this.saveAs(); //鍙﹀瓨涓 }else if(result==JOptionPane.NO_OPTION){ this.textArea.setText(""); - this.setTitle("无标题"); + this.setTitle("鏃犳爣棰"); flag=1; } return; }else if(flag==2 && this.currentPath!=null ){ - //2、（保存的文件为3）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //2銆侊紙淇濆瓨鐨勬枃浠朵负3锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌"+this.currentPath+"?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ - this.save(); //直接保存，有路径 + this.save(); //鐩存帴淇濆瓨锛屾湁璺緞 }else if(result==JOptionPane.NO_OPTION){ this.textArea.setText(""); - this.setTitle("无标题"); + this.setTitle("鏃犳爣棰"); flag=1; } - }else if(flag==3){ //保存的文件 + }else if(flag==3){ //淇濆瓨鐨勬枃浠 this.textArea.setText(""); flag=1; - this.setTitle("无标题"); + this.setTitle("鏃犳爣棰"); } } /*===================================================================*/ @@ -870,29 +854,29 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================5====================================*/ /** - * 另存为 + * 鍙﹀瓨涓 */ private void saveAs() { - //打开保存框 + //鎵撳紑淇濆瓨妗 JFileChooser choose=new JFileChooser(); - //选择文件 + //閫夋嫨鏂囦欢 int result=choose.showSaveDialog(this); if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件[文件名是自己输入的] + //鍙栧緱閫夋嫨鐨勬枃浠禰鏂囦欢鍚嶆槸鑷繁杈撳叆鐨刔 File file=choose.getSelectedFile(); FileWriter fw=null; - //保存 + //淇濆瓨 try { fw=new FileWriter(file); fw.write(textArea.getText()); currentFileName=file.getName(); currentPath=file.getAbsolutePath(); - //如果比较少，需要写 + //濡傛灉姣旇緝灏戯紝闇瑕佸啓 fw.flush(); this.flag=3; this.setTitle(currentPath); } catch (IOException e1) { - e1.printStackTrace(); //在命令行打印异常信息在程序中出错的位置及原因。 + e1.printStackTrace(); //鍦ㄥ懡浠よ鎵撳嵃寮傚父淇℃伅鍦ㄧ▼搴忎腑鍑洪敊鐨勪綅缃強鍘熷洜銆 }finally{ try { if(fw!=null) fw.close(); @@ -907,7 +891,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*===============================6====================================*/ /** - * 保存 + * 淇濆瓨 */ private void save() { if(this.currentPath==null){ @@ -917,11 +901,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ } } FileWriter fw=null; - //保存 + //淇濆瓨 try { fw=new FileWriter(new File(currentPath)); fw.write(textArea.getText()); - //如果比较少，需要写 + //濡傛灉姣旇緝灏戯紝闇瑕佸啓 fw.flush(); flag=3; this.setTitle(this.currentPath); @@ -940,47 +924,47 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ /*================================7===================================*/ /** - * 打开文件 + * 鎵撳紑鏂囦欢 */ private void openFile() { if(flag==2 && this.currentPath==null){ - //1、（刚启动记事本为0，刚新建文档为1）条件下修改后 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到无标题?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //1銆侊紙鍒氬惎鍔ㄨ浜嬫湰涓0锛屽垰鏂板缓鏂囨。涓1锛夋潯浠朵笅淇敼鍚 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌鏃犳爣棰?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ - this.saveAs(); //另存为 + this.saveAs(); //鍙﹀瓨涓 } }else if(flag==2 && this.currentPath!=null){ - //2、（打开的文件2，保存的文件3）条件下修改 - int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "是否将更改保存到"+this.currentPath+"?", "记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); + //2銆侊紙鎵撳紑鐨勬枃浠2锛屼繚瀛樼殑鏂囦欢3锛夋潯浠朵笅淇敼 + int result=JOptionPane.showConfirmDialog(NotepadMainFrame.this, "鏄惁灏嗘洿鏀逛繚瀛樺埌"+this.currentPath+"?", "璁颁簨鏈", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); if(result==JOptionPane.OK_OPTION){ - this.save(); //保存 + this.save(); //淇濆瓨 } } - //打开文件选择框 + //鎵撳紑鏂囦欢閫夋嫨妗 JFileChooser choose=new JFileChooser(); - //选择文件 + //閫夋嫨鏂囦欢 int result=choose.showOpenDialog(this); if(result==JFileChooser.APPROVE_OPTION){ - //取得选择的文件 + //鍙栧緱閫夋嫨鐨勬枃浠 File file=choose.getSelectedFile(); - //打开已存在的文件，提前将文件名存起来 + //鎵撳紑宸插瓨鍦ㄧ殑鏂囦欢锛屾彁鍓嶅皢鏂囦欢鍚嶅瓨璧锋潵 currentFileName=file.getName(); - //存在文件全路径 + //瀛樺湪鏂囦欢鍏ㄨ矾寰 currentPath=file.getAbsolutePath(); flag=3; this.setTitle(this.currentPath); BufferedReader br=null; try { - //建立文件流[字符流] + //寤虹珛鏂囦欢娴乕瀛楃娴乚 InputStreamReader isr=new InputStreamReader(new FileInputStream(file),"GBK"); - br=new BufferedReader(isr);//动态绑定 - //读取内容 + br=new BufferedReader(isr);//鍔ㄦ佺粦瀹 + //璇诲彇鍐呭 StringBuffer sb=new StringBuffer(); String line=null; while((line=br.readLine())!=null){ - sb.append(line+System.lineSeparator()); //append追加字符串 + sb.append(line+System.lineSeparator()); //append杩藉姞瀛楃涓 } - //显示在文本框[多框] + //鏄剧ず鍦ㄦ枃鏈[澶氭] textArea.setText(sb.toString()); } catch (FileNotFoundException e1) { e1.printStackTrace(); @@ -1002,11 +986,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ public void Print() { try{ - p = getToolkit().getPrintJob(this,"ok",null);//创建一个Printfjob 对象 p - g = p.getGraphics();//p 获取一个用于打印的 Graphics 的对象 - //g.translate(120,200);//改变组建的位置 + p = getToolkit().getPrintJob(this,"ok",null);//鍒涘缓涓涓狿rintfjob 瀵硅薄 p + g = p.getGraphics();//p 鑾峰彇涓涓敤浜庢墦鍗扮殑 Graphics 鐨勫璞 + //g.translate(120,200);//鏀瑰彉缁勫缓鐨勪綅缃 this.textArea.printAll(g); - p.end();//释放对象 g + p.end();//閲婃斁瀵硅薄 g } catch(Exception a){ @@ -1018,7 +1002,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private static void addPopup(Component component, final JPopupMenu popup) { component.addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { - if (e.isPopupTrigger()) { //判断用户是否要求弹出菜单 + if (e.isPopupTrigger()) { //鍒ゆ柇鐢ㄦ埛鏄惁瑕佹眰寮瑰嚭鑿滃崟 showMenu(e); } } @@ -1035,46 +1019,46 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ public void cut(){ copy(); - //标记开始位置 + //鏍囪寮濮嬩綅缃 int start = this.textArea.getSelectionStart(); - //标记结束位置 + //鏍囪缁撴潫浣嶇疆 int end = this.textArea.getSelectionEnd(); - //删除所选段 + //鍒犻櫎鎵閫夋 this.textArea.replaceRange("", start, end); } public void copy(){ - //拖动选取文本 + //鎷栧姩閫夊彇鏂囨湰 String temp = this.textArea.getSelectedText(); - //把获取的内容复制到连续字符器，这个类继承了剪贴板接口 + //鎶婅幏鍙栫殑鍐呭澶嶅埗鍒拌繛缁瓧绗﹀櫒锛岃繖涓被缁ф壙浜嗗壀璐存澘鎺ュ彛 StringSelection text = new StringSelection(temp); - //把内容放在剪贴板 + //鎶婂唴瀹规斁鍦ㄥ壀璐存澘 this.clipboard.setContents(text, null); } public void paste(){ - //Transferable接口，把剪贴板的内容转换成数据 + //Transferable鎺ュ彛锛屾妸鍓创鏉跨殑鍐呭杞崲鎴愭暟鎹 Transferable contents = this.clipboard.getContents(this); - //DataFalvor类判断是否能把剪贴板的内容转换成所需数据类型 + //DataFalvor绫诲垽鏂槸鍚﹁兘鎶婂壀璐存澘鐨勫唴瀹硅浆鎹㈡垚鎵闇鏁版嵁绫诲瀷 DataFlavor flavor = DataFlavor.stringFlavor; - //如果可以转换 + //濡傛灉鍙互杞崲 if(contents.isDataFlavorSupported(flavor)){ String str; - try {//开始转换 + try {//寮濮嬭浆鎹 str=(String)contents.getTransferData(flavor); - //如果要粘贴时，鼠标已经选中了一些字符 + //濡傛灉瑕佺矘璐存椂锛岄紶鏍囧凡缁忛変腑浜嗕竴浜涘瓧绗 if(this.textArea.getSelectedText()!=null){ - //定位被选中字符的开始位置 + //瀹氫綅琚変腑瀛楃鐨勫紑濮嬩綅缃 int start = this.textArea.getSelectionStart(); - //定位被选中字符的末尾位置 + //瀹氫綅琚変腑瀛楃鐨勬湯灏句綅缃 int end = this.textArea.getSelectionEnd(); - //把粘贴的内容替换成被选中的内容 + //鎶婄矘璐寸殑鍐呭鏇挎崲鎴愯閫変腑鐨勫唴瀹 this.textArea.replaceRange(str, start, end); }else{ - //获取鼠标所在TextArea的位置 + //鑾峰彇榧犳爣鎵鍦═extArea鐨勪綅缃 int mouse = this.textArea.getCaretPosition(); - //在鼠标所在的位置粘贴内容 + //鍦ㄩ紶鏍囨墍鍦ㄧ殑浣嶇疆绮樿创鍐呭 this.textArea.insert(str, mouse); } } catch(UnsupportedFlavorException e) { @@ -1087,29 +1071,29 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ } } - //设置查找与替换的对话框 + //璁剧疆鏌ユ壘涓庢浛鎹㈢殑瀵硅瘽妗 public void mySearch() { - final JDialog findDialog = new JDialog(this, "查找与替换", true); + final JDialog findDialog = new JDialog(this, "鏌ユ壘涓庢浛鎹", true); Container con = findDialog.getContentPane(); con.setLayout(new FlowLayout(FlowLayout.LEFT)); - JLabel searchContentLabel = new JLabel("查找内容(N) :"); - JLabel replaceContentLabel = new JLabel("替换为(P)　 :"); + JLabel searchContentLabel = new JLabel("鏌ユ壘鍐呭(N) :"); + JLabel replaceContentLabel = new JLabel("鏇挎崲涓(P)銆 :"); final JTextField findText = new JTextField(22); final JTextField replaceText = new JTextField(22); - final JCheckBox matchcase = new JCheckBox("区分大小写"); + final JCheckBox matchcase = new JCheckBox("鍖哄垎澶у皬鍐"); ButtonGroup bGroup = new ButtonGroup(); - final JRadioButton up = new JRadioButton("向上(U)"); - final JRadioButton down = new JRadioButton("向下(D)"); + final JRadioButton up = new JRadioButton("鍚戜笂(U)"); + final JRadioButton down = new JRadioButton("鍚戜笅(D)"); down.setSelected(true); bGroup.add(up); bGroup.add(down); - JButton searchNext = new JButton("查找下一个(F)"); - JButton replace = new JButton("替换(R)"); - final JButton replaceAll = new JButton("全部替换(A)"); + JButton searchNext = new JButton("鏌ユ壘涓嬩竴涓(F)"); + JButton replace = new JButton("鏇挎崲(R)"); + final JButton replaceAll = new JButton("鍏ㄩ儴鏇挎崲(A)"); searchNext.setPreferredSize(new Dimension(110, 22)); replace.setPreferredSize(new Dimension(110, 22)); replaceAll.setPreferredSize(new Dimension(110, 22)); - // "替换"按钮的事件处理 + // "鏇挎崲"鎸夐挳鐨勪簨浠跺鐞 replace.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { @@ -1119,4 +1103,175 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ textArea.replaceSelection(replaceText.getText()); } }); - }} \ No newline at end of file + + +// "鏇挎崲鍏ㄩ儴"鎸夐挳鐨勪簨浠跺鐞 +replaceAll.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + + textArea.setCaretPosition(0); // 灏嗗厜鏍囨斁鍒扮紪杈戝尯寮澶 + int a = 0, b = 0, replaceCount = 0; + + if (findText.getText().length() == 0) { + JOptionPane.showMessageDialog(findDialog, "璇峰～鍐欐煡鎵惧唴瀹!", "鎻愮ず", JOptionPane.WARNING_MESSAGE); + findText.requestFocus(true); + return; + } + while (a > -1) { + + int FindStartPos = textArea.getCaretPosition(); + String str1, str2, str3, str4, strA, strB; + str1 = textArea.getText(); + str2 = str1.toLowerCase(); + str3 = findText.getText(); + str4 = str3.toLowerCase(); + + if (matchcase.isSelected()) { + strA = str1; + strB = str3; + } else { + strA = str2; + strB = str4; + } + + if (up.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.lastIndexOf(strB, FindStartPos - 1); + } else { + a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); + } + } else if (down.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.indexOf(strB, FindStartPos); + } else { + a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); + } + + } + + if (a > -1) { + if (up.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } else if (down.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } + } else { + if (replaceCount == 0) { + JOptionPane.showMessageDialog(findDialog, "鎵句笉鍒版偍鏌ユ壘鐨勫唴瀹!", "璁颁簨鏈", JOptionPane.INFORMATION_MESSAGE); + } else { + JOptionPane.showMessageDialog(findDialog, "鎴愬姛鏇挎崲" + replaceCount + "涓尮閰嶅唴瀹!", "鏇挎崲鎴愬姛", JOptionPane.INFORMATION_MESSAGE); + } + } + if (replaceText.getText().length() == 0 && textArea.getSelectedText() != null) { + textArea.replaceSelection(""); + replaceCount++; + } + if (replaceText.getText().length() > 0 && textArea.getSelectedText() != null) { + textArea.replaceSelection(replaceText.getText()); + replaceCount++; + } + }// end while + } +}); /* "鏇挎崲鍏ㄩ儴"鎸夐挳鐨勪簨浠跺鐞嗙粨鏉 */ + +// "鏌ユ壘涓嬩竴涓"鎸夐挳浜嬩欢澶勭悊 +searchNext.addActionListener(new ActionListener() { + + public void actionPerformed(ActionEvent e) { + int a = 0, b = 0; + int FindStartPos = textArea.getCaretPosition(); + String str1, str2, str3, str4, strA, strB; + str1 = textArea.getText(); + str2 = str1.toLowerCase(); //杩斿洖杞崲鍚庡瓧绗︾殑灏忓啓褰㈠紡 + str3 = findText.getText(); + str4 = str3.toLowerCase(); + // "鍖哄垎澶у皬鍐"鐨凜heckBox琚変腑 + if (matchcase.isSelected()) { + strA = str1; + strB = str3; + } else { + strA = str2; + strB = str4; + } + + if (up.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.lastIndexOf(strB, FindStartPos - 1); + } else { + a = strA.lastIndexOf(strB, FindStartPos - findText.getText().length() - 1); + } + } else if (down.isSelected()) { + if (textArea.getSelectedText() == null) { + a = strA.indexOf(strB, FindStartPos);//杩斿洖浠 FindStartPos 浣嶇疆寮濮嬫煡鎵炬寚瀹氬瓧绗﹀湪瀛楃涓蹭腑绗竴娆″嚭鐜板鐨勭储寮曪紝濡傛灉姝ゅ瓧绗︿覆涓病鏈夎繖鏍风殑瀛楃锛屽垯杩斿洖 -1銆 + } else { + a = strA.indexOf(strB, FindStartPos - findText.getText().length() + 1); + } + + } + if (a > -1) { + if (up.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } else if (down.isSelected()) { + textArea.setCaretPosition(a); + b = findText.getText().length(); + textArea.select(a, a + b); + } + } else { + JOptionPane.showMessageDialog(null, "鎵句笉鍒版偍鏌ユ壘鐨勫唴瀹!", "璁颁簨鏈", JOptionPane.INFORMATION_MESSAGE); + } + + } + });/* "鏌ユ壘涓嬩竴涓"鎸夐挳浜嬩欢澶勭悊缁撴潫 */ + // "鍙栨秷"鎸夐挳鍙婁簨浠跺鐞 + JButton cancel = new JButton("鍙栨秷"); + cancel.setPreferredSize(new Dimension(110, 22)); + cancel.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + findDialog.dispose(); + } + }); + +// 璁捐"鏌ユ壘涓庢浛鎹"瀵硅瘽妗嗙殑鐣岄潰 + JPanel bottomPanel = new JPanel(); + JPanel centerPanel = new JPanel(); + JPanel topPanel = new JPanel(); + + JPanel direction = new JPanel(); + direction.setBorder(BorderFactory.createTitledBorder("鏂瑰悜 ")); + direction.add(up); + direction.add(down); + direction.setPreferredSize(new Dimension(170, 60)); + JPanel replacePanel = new JPanel(); + replacePanel.setLayout(new GridLayout(2, 1)); + replacePanel.add(replace); + replacePanel.add(replaceAll); + + topPanel.add(searchContentLabel); + topPanel.add(findText); + topPanel.add(searchNext); + centerPanel.add(replaceContentLabel); + centerPanel.add(replaceText); + centerPanel.add(replacePanel); + bottomPanel.add(matchcase); + bottomPanel.add(direction); + bottomPanel.add(cancel); + + con.add(topPanel); + con.add(centerPanel); + con.add(bottomPanel); + +// 璁剧疆"鏌ユ壘涓庢浛鎹"瀵硅瘽妗嗙殑澶у皬銆佸彲鏇存敼澶у皬(鍚)銆佷綅缃拰鍙鎬 + findDialog.setSize(410, 210); + findDialog.setResizable(false); + findDialog.setLocation(230, 280); + findDialog.setVisible(true); +} +} + + -- Gitee From 6f1217397cdf8107d794ca714f4687dc7168165a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Fri, 11 Jun 2021 01:57:26 +0800 Subject: [PATCH 14/15] =?UTF-8?q?=E8=BF=99=E5=BA=94=E8=AF=A5=E6=98=AF?= =?UTF-8?q?=E6=9C=80=E5=90=8E=E7=89=88=E6=9C=AC=E4=BA=86=EF=BC=81=EF=BC=81?= =?UTF-8?q?=EF=BC=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 65 ++++++++++++------------ 1 file changed, 33 insertions(+), 32 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index f7d06b2..1f007f3 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -77,19 +77,16 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ private JMenuItem itemOpen; private JMenuItem itemSave; NotepadMainFrame frame=this; - //1锛氭柊寤 - //2锛氫慨鏀硅繃 - //3锛氫繚瀛樿繃鐨 - int flag=0; + + int flag=0; //flag=1锛氭柊寤 锛宖lag=2锛氫慨鏀硅繃锛宖lag=3锛氫繚瀛樿繃鐨 - //褰撳墠鏂囦欢鍚 - String currentFileName=null; + String currentFileName=null;//褰撳墠鏂囦欢鍚 PrintJob p=null;//澹版槑涓涓鎵撳嵃鐨勫璞 Graphics g=null;//瑕佹墦鍗扮殑瀵硅薄 - //褰撳墠鏂囦欢璺緞 - String currentPath=null; + + String currentPath=null;//褰撳墠鏂囦欢璺緞 //鑳屾櫙棰滆壊 JColorChooser jcc1=null; @@ -142,13 +139,24 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ int length=0; int sum=0; - /** - * Launch the application. - */ + + // Launch the application. + public static void main(String[] args) { - NotepadMainFrame frame = new NotepadMainFrame(); - frame.setVisible(true); - } + //浣夸簨浠舵淳鍙戠嚎绋嬩笂鐨勫彲杩愯瀵硅薄鎺掗槦銆傚綋鍙繍琛屽璞℃帓鍦ㄤ簨浠舵淳鍙戦槦鍒楃殑闃熼鏃讹紝灏辫皟鐢ㄥ叾run鏂规硶銆傚叾鏁堟灉鏄厑璁镐簨浠舵淳鍙戠嚎绋嬭皟鐢ㄥ彟涓涓嚎绋嬩腑鐨勪换鎰忎竴涓唬鐮佸潡銆 + //鍙湁浠庝簨浠舵淳鍙戠嚎绋嬫墠鑳芥洿鏂扮粍浠躲 + EventQueue.invokeLater(new Runnable() { + public void run() { + try { +NotepadMainFrame frame = new NotepadMainFrame(); +frame.setVisible(true); +} catch (Exception e) { +e.printStackTrace(); +} +} +}); +} + GregorianCalendar c=new GregorianCalendar(); //鏋勯犱竴涓叿鏈夌粰瀹氭棩鏈熷拰鏃堕棿璁剧疆鐨 GregorianCalendar int hour=c.get(Calendar.HOUR_OF_DAY); int min=c.get(Calendar.MINUTE); @@ -177,9 +185,8 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ - /** - * Create the frame. - */ + //Create the frame. + public NotepadMainFrame() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());//鎶婂浘褰㈢晫闈㈠瑙傝缃垚鐢ㄦ埛鎵浣跨敤鐨勫钩鍙扮殑澶栬 @@ -200,11 +207,9 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); setBounds(100, 100, 521, 572); JMenuBar menuBar = new JMenuBar(); - setJMenuBar(menuBar); - + setJMenuBar(menuBar); - //绗竴涓彍鍗 - + //绗竴涓彍鍗 JMenu itemFile = new JMenu("鏂囦欢(F)"); itemFile.setMnemonic('F'); //璁剧疆閿洏鍔╄绗 menuBar.add(itemFile); @@ -268,7 +273,7 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ separator_6 = new JSeparator(); itemEdit.add(separator_6); itemEdit.add(itemCut); - + itemCopy = new JMenuItem("澶嶅埗(C)",'C'); itemCopy.addActionListener(this); itemCopy.setAccelerator(KeyStroke.getKeyStroke("control C")); @@ -367,16 +372,12 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ //璁剧疆杈规甯冨眬 contentPane.setLayout(new BorderLayout(0, 0)); - setContentPane(contentPane); - + setContentPane(contentPane); textArea = new JTextArea(); //璁剧疆婊氬姩鏉 VERTICAL鍨傜洿 HORIZONTAL姘村钩 scrollPane = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); - - //contentPane2=new JPanel(); - //contentPane2.setSize(10,textArea.getSize().height); - //contentPane.add(contentPane2, BorderLayout.WEST); + //璁剧疆鍙抽敭寮瑰嚭鐨勮彍鍗 @@ -443,11 +444,11 @@ public class NotepadMainFrame extends JFrame implements ActionListener{ popM_RestartSelect = new JMenuItem("姹夊瓧閲嶉(R)"); popM_RestartSelect.addActionListener(this); popupMenu.add(popM_RestartSelect); - //娣诲姞鍒伴潰鏉夸腑銆愪腑闂淬 - contentPane.add(scrollPane, BorderLayout.CENTER); + + contentPane.add(scrollPane, BorderLayout.CENTER); //娣诲姞鍒伴潰鏉夸腑蹇 + - //娣诲姞鎾ら攢绠＄悊鍣 - textArea.getDocument().addUndoableEditListener(undoMgr); + textArea.getDocument().addUndoableEditListener(undoMgr);//娣诲姞鎾ら攢瀵硅薄 //鍒涘缓涓涓伐鍏锋爮 toolBar -- Gitee From 574cef918d36cbd083d9b695ebc770d8707bad68 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A2=A8=E8=BF=B9s?= <澧ㄨ抗s@LAPTOP-QGOA2U92> Date: Fri, 11 Jun 2021 13:23:57 +0800 Subject: [PATCH 15/15] =?UTF-8?q?=E9=A1=B9=E7=9B=AE=E6=9C=80=E7=BB=88?= =?UTF-8?q?=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/java2020spring/NotepadMainFrame.java | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/java2020spring/NotepadMainFrame.java b/src/java2020spring/NotepadMainFrame.java index 1f007f3..aba684b 100644 --- a/src/java2020spring/NotepadMainFrame.java +++ b/src/java2020spring/NotepadMainFrame.java @@ -207,13 +207,12 @@ e.printStackTrace(); setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); setBounds(100, 100, 521, 572); JMenuBar menuBar = new JMenuBar(); - setJMenuBar(menuBar); - + setJMenuBar(menuBar); //绗竴涓彍鍗 JMenu itemFile = new JMenu("鏂囦欢(F)"); itemFile.setMnemonic('F'); //璁剧疆閿洏鍔╄绗 menuBar.add(itemFile); - + itemNew = new JMenuItem("鏂板缓(N)",'N'); itemNew.setAccelerator(KeyStroke.getKeyStroke("control N")); itemNew.addActionListener(this); -- Gitee