/*
 * @file CPaiWorkflowTemplateTree.h
 * @brief 工作流模板树
 * @author: liujunxia
 * @date: 2012-12-06
 */

#ifndef PAI_FRAME_WORKFLOWVIEW_PAIWORKFLOWTEMPLATETREE_H_
#define PAI_FRAME_WORKFLOWVIEW_PAIWORKFLOWTEMPLATETREE_H_

#include <QWidget>
#include <QTreeWidget>
#include <QPoint>
// #include "WorkflowPlugin.h"

const QString LAST_IMPORT_TEMPLATES_PATH = "Import templates path";
const QString LAST_EXPORT_TEMPLATES_PATH = "Export templates path";

namespace pai
{
namespace objectmodel
{
    class PaiObject;
}
/**
 * @class CPaiWorkflowTemplateTree
 * @brief 工作流模板页签
 */
class CPaiWorkflowTemplateTree : public QTreeWidget
{
Q_OBJECT
public:
    CPaiWorkflowTemplateTree(QUuid id,QWidget *parent = 0);
    virtual ~CPaiWorkflowTemplateTree();
	void MonkeyClickedModule(QString CompositeModuleID);

public:
    /**
     * @brief获取CPaiWorkflowTemplateTree的对象指针
     */
    static CPaiWorkflowTemplateTree* GetInstance();

    /**
     * @brief drag a template to apply it to workflow.
     */
    virtual void startDrag(Qt::DropActions /*supportedActions*/);

    /**
     * @brief鼠标双击事件
     */
    virtual void mouseDoubleClickEvent(QMouseEvent *event);

    /**
     * @brief Add a child object in general way.
     * @param pChild  the child object handle
     */
    bool AddChild(pai::objectmodel::PaiObject* pChild);

    /**
     * @brief Remove a child object in general way.
     * @param pChild  the child object handle
     */
    bool RemoveChild(pai::objectmodel::PaiObject* pChild);

    /**
     * @brief Get all of the children.
     */
    QList< pai::objectmodel::PaiObject* > GetChildren();

    /**
     * @brief Get child.
     * @param strChildName child name.
     */
    pai::objectmodel::PaiObject* GetChildByName(QString strChildName);

    /**
     * @brief Get the new added child's appear rect.
     */
    QRect GetNewAddedItemRect();

    /**
     * @brief Get item rect.
     * @param strItemName item name.
     */
    QRect GetItemRect(QString strItemName);

    /**
     *@brief 设置激活属性
     *@param[in] bActive活动标志
     */
    void SetActive(bool bActive);

    /**
     *@brief判断是否激活状态
     */
    bool isActive();

    /**
     * @brief make item selected
     * @param item name
     */
    void ActiveItem(const QString name);

    /**
     * @brief get selected template objects
     */
    QList< pai::objectmodel::PaiObject* > GetSelectedChildren();

signals:
    /**
     * @brief 双击节点时发送
     */
    void itemDoubleClicked(pai::objectmodel::PaiObject*);

    /**
     * @brief 点击右键菜单编辑节点事发送
     */
    void itemEdit(QList< pai::objectmodel::PaiObject* > );

    /**
     * @brief 点击右键菜单删除节点事发送
     */
    void itemDelete(QList< pai::objectmodel::PaiObject* > );

    /**
     * @brief 导入模板时发送的信号
     */
    // void importTemplates(ImportType);

    /**
     * @brief 导出模板时发送的信号
     */
    // void exportTemplates(ImportType);

private slots:
    /**
     * @brief 右击节点时接收槽
     * @param[in] point 右击的坐标
     */
    void RightMenuRequest(const QPoint &point);

    /**
     * @brief 删除工作流模板
     */
    void slotDeleteItem();

    /**
     * @brief 编辑工作流模板
     */
    void slotEditItem();

    /**
     * @brief 导出工作流模板
     */
    void slotExportTemplates();

    /**
     * @brief 导入工作流模板
     */
    void slotImportTemplates();

    /**
     * @brief 关闭气泡
     */
    void slotHideBalloon();

private:
    QList< pai::objectmodel::PaiObject* > m_lstChildren;//the children of the object.
    static CPaiWorkflowTemplateTree *instance;
    QTreeWidgetItem* m_pNewAddedItem; //最新添加的模板节点
    QTreeWidgetItem* m_pCommonTemplateItem; //模板树根节点
    bool m_bActive; //TemplateTree Widget active or not.
};
}

#endif /* CPAIWORKFLOWTEMPLATETREE_H_ */