From 9cdf93a913e57498ff29bf18d3137719ff9cdaa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AE=B8=E8=BD=B2?= <luke.k.xu@hotmail.com>
Date: Sat, 9 Sep 2023 00:17:57 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BF=AE=E5=A4=8D=E9=87=8D=E5=91=BD?=
 =?UTF-8?q?=E5=90=8D=E5=90=8C=E6=A0=B7=E7=9A=84=E6=96=87=E4=BB=B6=E6=B2=A1?=
 =?UTF-8?q?=E6=9C=89=E6=8F=90=E7=A4=BA=E7=9A=84bug?=
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---
 .../event/handler/menubar/RenameFile.java     | 48 ++++++++++++++++---
 1 file changed, 42 insertions(+), 6 deletions(-)

diff --git a/src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/RenameFile.java b/src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/RenameFile.java
index 74dbd91..bcc9c8e 100644
--- a/src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/RenameFile.java
+++ b/src/main/java/org/jcnc/jnotepad/controller/event/handler/menubar/RenameFile.java
@@ -10,6 +10,7 @@ import org.jcnc.jnotepad.constants.TextConstants;
 import org.jcnc.jnotepad.root.center.main.center.tab.CenterTab;
 import org.jcnc.jnotepad.root.center.main.center.tab.CenterTabPane;
 import org.jcnc.jnotepad.tool.LogUtil;
+import org.jcnc.jnotepad.tool.PopUpUtil;
 import org.jcnc.jnotepad.tool.UiUtil;
 import org.jcnc.jnotepad.ui.dialog.factory.impl.BasicFileChooserFactory;
 import org.slf4j.Logger;
@@ -53,28 +54,42 @@ public class RenameFile implements EventHandler<ActionEvent> {
     private void handleRenameTab(CenterTab centerTab) {
         TextField textField = new TextField(centerTab.getText());
         textField.getStyleClass().add("tab-title-editable");
+
         // 清空标签页名称
         centerTab.setText("");
+
         // 监听 Enter 键，完成编辑
         textField.setOnKeyPressed(event -> {
             if (event.getCode() == KeyCode.ENTER) {
-                centerTab.setText(textField.getText());
-                // 可选：移除 TextField 的图形
-                centerTab.setGraphic(null);
-                // 可选：恢复标签页的关闭按钮
-                centerTab.setClosable(true);
+                String newTabName = textField.getText();
+
+                // 检查是否存在相同名称的标签页
+                if (isTabNameExists(newTabName)) {
+                    // 显示弹窗并提示用户更换名称
+                    showDuplicateNameAlert(newTabName);
+                } else {
+                    centerTab.setText(newTabName);
+                    // 可选：移除 TextField 的图形
+                    centerTab.setGraphic(null);
+                    // 可选：恢复标签页的关闭按钮
+                    centerTab.setClosable(true);
+                }
             }
         });
+
         // 监听失去焦点事件，完成编辑
         textField.focusedProperty().addListener((observable, oldValue, newValue) -> {
             if (Boolean.FALSE.equals(newValue)) {
-                centerTab.setText(textField.getText());
+                String newTabName = textField.getText();
+                centerTab.setText(newTabName);
                 // 可选：移除 TextField 的图形
                 centerTab.setGraphic(null);
                 // 可选：恢复标签页的关闭按钮
                 centerTab.setClosable(true);
+
             }
         });
+
         centerTab.setClosable(false);
         // 设置 TextField 作为标签页的图形
         centerTab.setGraphic(textField);
@@ -83,6 +98,27 @@ public class RenameFile implements EventHandler<ActionEvent> {
         textField.selectAll();
     }
 
+    /**
+     * 判断是否存在具有相同名称的标签页。
+     *
+     * @param newTabName 要检查的新标签页名称
+     * @return 如果存在具有相同名称的标签页，则返回 true；否则返回 false
+     */
+    private boolean isTabNameExists(String newTabName) {
+        CenterTabPane tabPane = CenterTabPane.getInstance();
+        return tabPane.getTabs().stream()
+                .anyMatch(tab -> tab.getText().equals(newTabName));
+    }
+
+    /**
+     * 显示警告弹窗，提示用户更换重复的名称。
+     */
+    private void showDuplicateNameAlert(String newTabName) {
+
+        PopUpUtil.errorAlert("重命名错误", "\" " + newTabName + "\" 和已有标签页名字重复", "请再次重命名", null, null);
+
+    }
+
     /**
      * 重命名关联文件。
      *
-- 
Gitee