#pragma once

#include "iDlgBase.h"
#include "iResultInfo.h"
#include "iGridLineItem.h"

class iModelInfoBase;
//class iGridLineItem;

// 列表区统一处理的Utils（应用于模型选择）
class X_GUI_GRIDPTY_EXPORT iGridLineUtils : public iDlgBase
{
    Q_OBJECT

public:

    explicit iGridLineUtils(QWidget *parent = 0);
    ~iGridLineUtils();

public:

    // 初始化
    virtual void initUI();

    // 对外暴露接口
    void setLineItems(QVector<iGridLineItem*>& vec, \
                      QWidget* pWxDlg);
    bool buildLineUtils(QVector<iModelInfoBase*> vecDataObjs, \
                        QWidget* pWxDlg);
    iGridLineItem* buildLineItemOf(iModelInfoBase* pDataObj, \
                                   iGridLineItem* pParent, \
                                   QString sLastItem);
    void setModelType(QString s);

    // 边界相关
    void setBounds(QRectF& rt);
    double getUtilHeight();

    void connectSignalsOf(iGridLineItem* p);

    void bkAllItems();
    QStringList getAllTags(); //不考虑层级

    void resetLayout(); //重置

    // 清空
    void clearAllItems();

    // 刷新
    void updateItem(iGridLineItem* p);

    /// @brief 改变某个item的状态
    /// @note bExclusive表示是否排他性，比如只有一种激活
    void changeItemState(iGridLineItem* p, \
                         iGridLineItem::LineItemState o, \
                         bool bExclusive = true);

    // 模型解释选用了某一项
    void setItemAsSelected(QString sAlias, bool bSelected = true);

private:

    // 搭建过程
    QStringList getParaTypes(QStringList listParas);
    iGridLineItem* createAndAddItem(iGridLineItem* pParent, \
                                    iModelInfoBase* pDataObj, \
                                    bool bGroup);
    void insertItem(int nIndex, iGridLineItem* pItem);

    // 把所有Item从上到下（不考虑层级记录下来）
    bool getAllItems(QVector<iGridLineItem*>& vec); //不考虑层级

    // 范围及布局
    void updateLayout();
    void doLayout();

protected:

    virtual void mousePressEvent(QMouseEvent *);
    virtual void mouseDoubleClickEvent(QMouseEvent* e);
    virtual void mouseReleaseEvent(QMouseEvent *);
    virtual void mouseMoveEvent(QMouseEvent *);

    virtual void resizeEvent(QResizeEvent *);

protected:

    virtual void paintEvent(QPaintEvent*);
    void paintGrid(QPainter* pPainter);

public slots:

signals:

    void sigHelpMsg(QString& s);

protected:

    // 节点操作及属性更改
    GridTickPos hitTest(QPoint pt);

    void expand(iGridLineItem* p);
    void collapse(iGridLineItem* p);

    // 获取上一个item
    iGridLineItem* getLastItemOfState(iGridLineItem::LineItemState o);

public:

    // 组织数据
    // 序列化
    virtual void onSerialize(ZxSerializer* ser);
    virtual void onDeserialize(ZxSerializer* ser);

private:

    // 窗体载体
    QWidget* m_pWxDlg;

    // 属于哪一类
    QString m_sModelType;

    // 子项
    QVector<iGridLineItem*> m_vecGridItems;
    QVector<iGridLineItem*> m_vecAllItems;// 从上到下不考虑层级，所有
    iGridLineItem* m_pItemSel;

    // 位置及布局
    QRectF m_rtBounds;
    bool m_bNeedLayout;

    // Header
    bool m_bHeaderVisible;

    double m_fRowHeight;
};