#pragma once

#include <QPixmap>
#include <QVector>
#include <QString>
#include <QHash>
#include <QVector>
#include <QSet>
#include <QAbstractScrollArea>

#include "ZxDynamic.h"
#include "ZxPtyItem.h"
#include "iProperty_global.h"

class ZxPtyFileManager;
class ZxPtyAttributeFile;
class ZxXpfNode;

class I_PROPERTY_EXPORT ZxPtyPano
		: public QAbstractScrollArea
		, virtual public IxPtyPano
		, virtual public IxDynObj
{
	Q_OBJECT
	ZX_DECLARE_DYNAMIC

public:

	explicit ZxPtyPano();
	~ZxPtyPano();

	virtual void paintEvent(QPaintEvent *);
	virtual void mousePressEvent(QMouseEvent *);
    virtual void mouseDoubleClickEvent(QMouseEvent* e);
	virtual void mouseReleaseEvent(QMouseEvent *);
	virtual void mouseMoveEvent(QMouseEvent *);
	virtual void resizeEvent(QResizeEvent *);

    virtual IxPtyItem* addGroup(const QString& key, bool expand = true, bool visible = true);
    virtual IxPtyItem* add(ZX_PROPERTY_CHANGED_CALLBACK callback, const QString& key, const QVariant& var, IxPtyItem::ItemType type = IxPtyItem::typeDefault);

    virtual void beginSession(const QString& configName, IxInterface* pSessionOwner);
	virtual void endSession();

    virtual void beginObject(IxPtySource* p);
	virtual void endObject();

    virtual IxPtyItem* findPropertyItem(const QString& sKey);

    virtual void clear(IxInterface* pSessionOwner);

	// 获取当前配置文件. 这个文件是根据上层应用模块设置的配置名来加载的, 每次填表都会更新.
    ZxPtyAttributeFile* getAttributeFile();

    IxPtySource* getCurObject() { return m_pObject; }

signals:

    void helpMessage(const QString& help);

protected slots:
	void onConfigReloaded();

private:

    void paintGrid(QPainter& painter);
    void paintHeader(QPainter& painter);
    void paintGroups(QPainter& painter);
    void paintItems(QPainter& painter);
    void onActiveItemChanged(ZxPtyItem* item);

	enum HitTestPart
	{
		htNone,
		htExpander,
		htLeftCol,
		htRightCol,
		htSplit
	};

	class HitTestResult
	{
	public:
		int row;
		HitTestPart part;
		bool isValid() const;
		int col();
	};

private:

	void updateLayout();
    void doLayout();

    ZxPtyItem* getOrCreate(const QString& key, const QVariant& initVar, bool* bJustCreated);

    ZxXpfNode* getItemConfig(const QString& key);
//	ZxXpfNode* getParentItemConfig(ZxXpfNode* pItemConfig);

    int indentWidth() const;

    int getAndIncObjectSn();

    QRect getLeftRect(int virtualRow);
    QRect getRightRect(int virtualRow);

    HitTestResult hitTest(int x, int y);

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

    void activateItem(ZxPtyItem* p);
    void clearItems();

    int getVerticalScrollPos() const;
    void scrollContentsBy(int dx, int dy);

    int right() const;
    void updateItem(ZxPtyItem* item); // 刷新重绘

    void saveXSplit();
    void loadXSplit();

    void normalizeXSplit();
    IxPtyItemEditor* createEditor(const QString& name);

    void releaseEditor(IxPtyItemEditor* p);

private:

    bool m_bNeedLayout;

	QVector<ZxPtyItem*> m_vecRealRows;
    QVector<ZxPtyItem*> m_vecVirtualRows;

	QHash<QString, ZxPtyItem*> m_map;
    ZxPtyFileManager* m_pConfigManager;
    mutable ZxPtyAttributeFile* m_pAttribueFile;
	mutable QString m_sConfig;

	int m_nSessionId;
    IxInterface* m_pSessionOwner;

    IxPtySource* m_pObject;
	int m_nObjectCount;
    IxPtyItem* m_pCurrentItem;

    QHash<QString, int> m_objectSn;
	bool m_bInitializingSession;

	int m_xSplit;
	QPixmap m_pixExpand;
	QPixmap m_pixCollapse;
	friend class ZxPtyItem;
	QColor m_groupBackColor[3];
	QColor m_groupFrontColor[3];
    QColor m_frameBackColor;
	double m_dNextItemOrder;
    bool m_bClearEntered;

//	static QSet<ZxPtyPano*> _setAllPtyPanos;
	QList<ZxPtyItem*> itemsToBeDeleted;
    bool m_bHitSplit;
	// 控件池, 避免反复创建/删除, 否则Debug版会比较卡
	typedef QVector<IxPtyItemEditor*> ItemEditorVector;
    QHash<QString, ItemEditorVector> m_editorPool;

    int m_nROW_HEIGHT;
    int m_nINDENT_WIDTH;
    int m_nINDENT_ICON_WIDTH;
    int m_nINDENT_ICON_MARGIN_H;
    int m_nINDENT_ICON_MARGIN_V;
    int m_nLEFT_PADDING;
    int m_nRIGHT_PADDING;
    int m_nBOTTOM_PADDING;
    int m_nCELL_PADDING_V;
    int m_nCELL_PADDING_H;
    int m_nCELL_SPACING;

    friend class ZxPtyFileManager;
};