#ifndef TOPWIN8DESKTOPGROUP_H
#define TOPWIN8DESKTOPGROUP_H
#include <QVariant>
#include <QGroupBox>
#include "topdesktopitemabs.h"

class TComboBox;
class QSpinBox;
class QFormLayout;
class QLabel;
class TMessageBar;
class TopWin8DesktopGroupPrivate;
class TopWin8DesktopGroup : public QGroupBox
{
    Q_OBJECT
    Q_PROPERTY(int  cellWidth      READ cellWidth     WRITE setCellWidth)
    Q_PROPERTY(int  cellHeight     READ cellHeight    WRITE setCellHeight)
    Q_PROPERTY(int  rowSpan        READ rowSpan       WRITE setRowSpan)
    Q_PROPERTY(int  colSpan        READ colSpan       WRITE setColSpan)

public:
    explicit TopWin8DesktopGroup(QWidget *iParent = NULL);
    ~TopWin8DesktopGroup();

signals:
    void urlRequested(const QString &iUrlStr, const QVariant &iConfigVar);
    void configChanged();
    void groupDeleted(TopWin8DesktopGroup *iGroup);
    void layoutedRequest();

public slots:
    void doLayout();

    void setModuleRight(const QMap<QString, QString> &iModuleRightMap);
    QList<TopDesktopItemAbs *> desktopItems(Qt::Orientation iPriorityOrder = Qt::Horizontal);
    void setColorList(TComboBox *iBackgroundCombox);
    void setTitleColorList(TComboBox *iTitleCombox);
    void showDockSequence(QFormLayout *iLayout, QSpinBox *iObj, bool iShowBol);
    void setLabelAdjustSize(QLabel *label);

    TopDesktopItemAbs::State state() const;
    void setState(TopDesktopItemAbs::State iState);

    void setModuleClickType(TopDesktopItemAbs::ClickType iClickType);
    TopDesktopItemAbs::ClickType moduleClickType() const;

    void setConfigData(const QVariantMap &iConfigDataVarMap);
    QVariantMap configData();
    void setConfig(const QString &iKeyStr, const QVariant &iValueVar);
    QVariant config(const QString &iKeyStr) const;

    QPoint position();
    void setPosition(QPoint iPoint);
    void setRowSpan(int iRowSpanInt);
    int rowSpan() const;
    void setColSpan(int iColSpanInt);
    int colSpan() const;
    void setCellWidth(int iCellWidthInt);
    int cellWidth() const;
    void setCellHeight(int iCellHeight);
    int cellHeight() const;
    QString dockArea();
    void setDockArea(const QString &iDockAreaStr);
    int dockSequence();
    void setDockSequence(int iSequenceInt);

    bool removeOne(TopDesktopItemAbs *iDesktopItem);
    void appendOne(TopDesktopItemAbs *iDesktopItem);
    void clear();

    // string: x,y和Point 互转
    QPoint posStr2Point(const QString &iPosStr);
    QString point2PosStr(QPoint iPoint);

    // Size 、SizeString 和 Row Col的转换
    QSize sizeStr2QSize(const QString &iSizeStr);
    QString rowColStr2SizeStr(const QString &iRowStr, const QString &iColStr);

    bool showConfigDialog(bool iIsNewBol = false);
    void deleteGroup();
    void addModuleItem();

    QString ttr(const QString &iStr);

private slots:
    TopDesktopItemAbs *createDesktopItem(const QVariant &iParsVar = QVariant());
    QMenu *createContextMenu();

    void deleteItem(TopDesktopItemAbs* iItem);
    void tryDeleteItem(TopDesktopItemAbs *iItem);
    void dataChanged();

protected:
    void dragEnterEvent(QDragEnterEvent *iEvent);
    void mousePressEvent(QMouseEvent *iEvent);
    void mouseReleaseEvent(QMouseEvent *iEvent);
    void mouseMoveEvent(QMouseEvent *iEvent);
    void dragMoveEvent(QDragMoveEvent *iEvent);
    void dropEvent(QDropEvent *iEvent);
    void paintEvent(QPaintEvent *iEvent);
    void mouseDoubleClickEvent(QMouseEvent *iEvent);

    const QScopedPointer<TopWin8DesktopGroupPrivate> d_ptr;

private:
    QList<TopDesktopItemAbs *> createItems(const QVariantList &iItemsVarLst);

    // 转换点在Class中的位置，为在CenterWidget中的位置
    QPoint mapClassPos2WidgetPos(QPoint iPoint);

    // 是否超出放置区域
    bool isBeyondPlacedArea(QRect iRect, int iPlacedWidthInt);
    // 是否与已经布局的Item位置重叠
    bool isCollisionWithLayoutedItems(QRect iRect,
                                      const QList<TopDesktopItemAbs *> iLayoutedItemsLst,
                                      bool *oIsPreviousCollisionBol = NULL);

    bool isCollisionLayoutedItems(QDropEvent *iEvent);

    int rowAtWidget(QPoint iAtWidgetPoint);
    int colAtWidget(QPoint iAtWidgetPoint);

    // 用于拖拽的函数
    // 插入item
    void insertItem(QPoint iDropPoint, TopDesktopItemAbs *iInsetedItem);

    void updateStyleSheet();

    bool hasOpenItemRight(const QString &iUrlStr);

    QList<TopDesktopItemAbs *> itemOrder(Qt::Orientation iPriorityOrder, const QList<TopDesktopItemAbs *> &iItemLst);


private:
    Q_DISABLE_COPY(TopWin8DesktopGroup)
    Q_DECLARE_PRIVATE(TopWin8DesktopGroup)
};


#endif // TOPWIN8DESKTOPGROUP_H