#pragma once

#include "iGridLineItem.h"

// 列表区分组（应用于模型选择）
class X_GUI_GRIDPTY_EXPORT iGridLineGroup : public iGridLineItem
{
    Q_OBJECT

public:

    explicit iGridLineGroup(iGridLineItem* pParent = NULL);
    ~iGridLineGroup();

protected:

    // 绘图
    virtual void paint(QPainter* pPainter);

    virtual void paintGroup(QPainter* pPainter, int nCountVisible);
    virtual void paintItem(QPainter* pPainter);
    virtual bool isPaintNeeded();

    virtual void _paintItemIcon(QPainter* pPainter);
    virtual void _paintItemTag(QPainter* pPainter, QString s);

public:

    // 位置相关Bounds
    virtual void setBounds(QRectF& rt); //全局
    virtual QRectF getIconBound();      //Icon的Bound
    virtual QRectF getLeftBounds();     //左
    virtual float getItemHeight();      //当前节点高度，包括孩子

    int getChildVisibleCount();         //可见的孩子数目
    virtual iGridLineItem* getActiveItem();      //当前节点及孩子中的Active节点

public:

    virtual bool hitTest(QPoint pt, GridTickPos& ht, \
                         iGridLineItem*& pItem);
    virtual bool hitTest_SelfOnly(QPoint pt, GridTickPos& ht, \
                                  iGridLineItem*& pItem);

protected:

    // 其它常量
    float m_fIconWidth;
    float m_fIconMarginH;
    float m_fIconMarginV;

    // Group模式的背景色
    QColor m_groupBackColor[3];

    // 图标
    QPixmap m_oPixCollapse;
    QPixmap m_oPixExpand;
};