#include "QTreeWidgetSortItem.h"

/* 自己重新实现一个QTreeWidgetSortItem，主要是为了重载函数的排序功能，不适应默认的名字排序，而是使用
* 每个项自带的tip字符串排序。这样做是因为对齐的时候，有些空白对齐项目，并没有名称，就会导致无法排序
*/
int QTreeWidgetSortItem::s_sortType = 0;

const int FILE_SIZE = Qt::UserRole + 1;

//bool QTreeWidgetSortItem::s_syncOrder = false;

QTreeWidgetSortItem::QTreeWidgetSortItem(int type):QTreeWidgetItem(type)
{

}

QTreeWidgetSortItem::QTreeWidgetSortItem(const QStringList &strings, int type):QTreeWidgetItem(strings, type)
{

}

QTreeWidgetSortItem::~QTreeWidgetSortItem()
{

}

bool QTreeWidgetSortItem::operator<(const QTreeWidgetItem & other) const
{
	if (s_sortType == 0)
	{
		QString a = this->data(0, Qt::ToolTipRole).toString();
		QString b = other.data(0, Qt::ToolTipRole).toString();
		return (a.compare(b, Qt::CaseInsensitive) > 0);
	}
	else if (s_sortType == 1) //按大小排序
	{

		qreal a = this->data(1, FILE_SIZE).toReal();
		qreal b = other.data(1, FILE_SIZE).toReal();

		return(a > b);
	}
	else if (s_sortType == 2) //by 创建时间
	{
		QString a = this->text(2);
		QString b = other.text(2);

		return(a.compare(b, Qt::CaseInsensitive) > 0);
	}
	else if (s_sortType == 3) //by 修改时间
	{
		QString a = this->text(3);
		QString b = other.text(3);

		return(a.compare(b, Qt::CaseInsensitive) > 0);
	}
	return false;
}