107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
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/**
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* @file PaiTreeWidget.h
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* @brief P.A.I系统定制发布的树控件
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* @date 2012-10-18
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*/
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#ifndef PAI_FRAME_WIDGET_PAITREEWIDGET_H
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#define PAI_FRAME_WIDGET_PAITREEWIDGET_H
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#include <QTreeWidget>
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#include "Turtle.h"
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class QLabel;
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namespace pai
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{
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namespace gui
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{
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/**
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* @class PaiTreeWidget
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* @brief PaiTreeWidget是P.A.I系统定制发布的树控件
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*/
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class PAI_WIDGET_EXPORT PaiTreeWidget : public QTreeWidget
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{
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Q_OBJECT
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public:
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/**
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* @brief 构造函数
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* @param[in] pParent 父窗口句柄
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*/
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PaiTreeWidget(QWidget *pParent = NULL);
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/**
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* @brief 析构函数
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*/
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virtual ~PaiTreeWidget();
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public slots:
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/**
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* @brief 按节点名搜索树，只显示搜索到的节点
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* @param[in] keyword 搜索的关键字
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* @param[in] column 要搜索的列
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*/
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void Filter(const QString & keyword, int column = 0);
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/**
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* @brief 按节点名搜索树，只显示搜索到的节点
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* @param[in] keyword 搜索的关键字
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* @param[in] columns 要搜索的列
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*/
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void Filter(const QString & keyword, QList<int> columns);
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private:
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/**
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* @brief 指定节点是否属于查找结果的子代，本函数仅供Filter函数调用。
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* @param[in] pItem 指定节点
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* @return 返回数否属于查找结果的直系子代
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*/
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bool IsGenerationOfFoundItem(QTreeWidgetItem *pItem);
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private:
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bool m_InSearching; ///< 表示是否正在进行搜索
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QLabel *m_pTipLabel; ///< 搜索结果为空的提示文本信息框
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signals:
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/**
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* @brief 搜索完成后触发此消息
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* @param[in] pRootItem 根节点
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*/
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void SearchFinished(QTreeWidgetItem *pRootItem);
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};
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/**
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* @class PaiTreeWidgetItem
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* @brief 数据树item类，支持排序
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*/
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class PAI_WIDGET_EXPORT PaiTreeWidgetItem : public QTreeWidgetItem
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{
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public:
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/**
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* @brief 构造函数
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*/
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PaiTreeWidgetItem();
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/**
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* @brief 构造函数
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* @param[in] pParent 父窗口句柄
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*/
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PaiTreeWidgetItem(QTreeWidgetItem *pParent);
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/**
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* @brief 析构函数
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*/
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virtual ~PaiTreeWidgetItem();
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/**
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* @brief 重写QTreeWidgetItem的比较函数
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* @param[in] otherItem 其他比较对象
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* @return 返回与其他item对象的比较结果
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*/
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virtual bool operator < (const QTreeWidgetItem & otherItem) const;
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};
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}
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}
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#endif ///< PAI_FRAME_WIDGET_PAITREEWIDGET_H
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