/**
 * 
 * @file FITKTreeWidget.h
 * @brief 树形菜单窗口
 * @author LiBaojun (libaojunqd@foxmail.com)
 * @date 2024-10-08
 * 
 */
#ifndef _FITK_TREE_WIDGET_H___
#define _FITK_TREE_WIDGET_H___
 
#include "FITKWidgetAPI.h"
#include <QTreeWidget>
#include "FITK_Kernel/FITKCore/FITKAbstractGUIObject.h"

namespace Core
{
    class FITKAbstractOperator;
}

namespace Comp
{
    /**
     * @brief 树形菜单窗口1
     * @author LiBaojun (libaojunqd@foxmail.com)
     * @date 2024-10-08
     */
    class FITKWidgetAPI FITKTreeWidget : public QTreeWidget, public Core::FITKAbstractGUIObject
    {
        Q_OBJECT
    public:
        /**
         * @brief Construct a new FITKTreeWidget object
         * @param[i]  parent         父对象
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        explicit FITKTreeWidget(QWidget* parent = nullptr);
        /**
         * @brief Destroy the FITKTreeWidget object
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        virtual ~FITKTreeWidget() = default;

        /**
         * @brief    创建树形菜单根节点项
         * @param[i]  parent         父对象
         * @param[i] text 显示文本
         * @param[i] type 类型标记
         * @param[i] icon 图标
         * @param[i] state 状态 : -1不使用 0不选择 1选择
         * @return   QTreeWidgetItem *
         * @author   liuzhonghua (liuzhonghuaszch@163.com)
         * @date     2024-10-22
         */
        static QTreeWidgetItem* CreateTreeRootItem(QTreeWidget* parent, const QString & text,
            int type = 0, const QString& icon = "", int state = -1);
        /**
         * @brief 创建树形菜单项
         * @param[i]  parent         父对象
         * @param[i]  text           显示文本
         * @param[i]  type           类型标记
         * @param[i]  icon           图标
         * @param[i]  state 状态 : -1不使用 0不选择 1选择
         * @return QTreeWidgetItem* 
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        static QTreeWidgetItem* CreateTreeItem(QTreeWidgetItem* parent, const QString & text,
            int type = 0, const QString& icon = "", int state = -1);
        /**
         * @brief 获取操作器
         * @param[i]  operName       操作器名称
         * @return Core::FITKAbstractOperator* 
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        static Core::FITKAbstractOperator* GetOperator(const QString& operName);

        template <class T>
        /**
         * @brief 获取操作器，并进行强制类型转换
         * @param[i]  operName       操作器名称
         * @return T* 
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        T* getOperatorT(const QString & operName)
        {
            return dynamic_cast<T*> (this->GetOperator(operName));
        }


    protected:
        /**
         * @brief 树形菜单节点点击事件，子类重写实现
         * @param[i]  item           点击对象
         * @param[i]  column         列数
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        virtual void on_itemClicked(QTreeWidgetItem *item, int column);
        /**
         * @brief 树形菜单节点双击事件，子类重写实现
         * @param[i]  item           点击对象
         * @param[i]  column         列数
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        virtual void on_itemDoubleClicked(QTreeWidgetItem *item, int column);
        /**
         * @brief    树形菜单节点状态改变事件，子类重写实现
         * @param[i] item 点击对象
         * @param[i] state 改变之后的状态
         * @param[i] column 列数
         * @return   void
         * @author   liuzhonghua (liuzhonghuaszch@163.com)
         * @date     2024-10-22
         */
        virtual void on_itemStateChanged(QTreeWidgetItem *item, bool state, int column);

    private slots:
        /**
         * @brief 树形菜单节点点击槽函数。调用on_itemClicked
         * @param[i]  item           点击对象
         * @param[i]  column         列数
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        void slot_itemClicked(QTreeWidgetItem *item, int column);
        /**
         * @brief 树形菜单节点双击槽函数。调用on_itemDoubleClicked
         * @param[i]  item           点击对象
         * @param[i]  column         列数
         * @author LiBaojun (libaojunqd@foxmail.com)
         * @date 2024-10-08
         */
        void slot_itemDoubleClicked(QTreeWidgetItem *item, int column);
        /**
         * @brief    树形菜单节点状态改变槽函数。调用on_itemStateChanged
         * @param[i] item 点击对象
         * @param[i] column 列数
         * @return   void
         * @author   liuzhonghua (liuzhonghuaszch@163.com)
         * @date     2024-10-22
         */
        void slot_itemStateChanged(QTreeWidgetItem *item, int column);
    };
}

#endif