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#ifndef UBLIBPATHVIEWER_H
#define UBLIBPATHVIEWER_H
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QGraphicsWidget>
#include <QGraphicsPixmapItem>
#include <QGraphicsProxyWidget>
#include <QVector>
#include <QPixmap>
#include <QResizeEvent>
#include <QGraphicsLinearLayout>
#include <QMouseEvent>
#include <QTime>
#include <QMap>
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QDragMoveEvent>
#include <QMimeData>
#include <QPaintEvent>
#include <QShowEvent>
#include "board/UBLibraryController.h"
#define PATHITEMWIDTH 32
#define STARTDRAGTIME 1000000
class UBPathScene : public QGraphicsScene
{
Q_OBJECT
public:
UBPathScene(QWidget* parent=0);
~UBPathScene();
QMap<QGraphicsWidget*, UBChainedLibElement*>* mapWidgetToChainedElem(){return &mMapWidgetToChainedElem;}
signals:
void mouseClick(UBChainedLibElement* elem);
void elementsDropped(QList<QString> elements, UBLibElement* target);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
void dropEvent(QGraphicsSceneDragDropEvent *event);
private:
UBLibElement* elementFromPos(QPointF p);
/** The drag start position */
QPointF mDragStartPos;
/** A timer used to detect a click or a drag */
QTime mClickTime;
/** A map between a widget and a chained element */
QMap<QGraphicsWidget*, UBChainedLibElement*> mMapWidgetToChainedElem;
};
class UBLibPathViewer : public QGraphicsView
{
Q_OBJECT
public:
UBLibPathViewer(QWidget* parent=0, const char* name="UBLibPathViewer");
~UBLibPathViewer();
void displayPath(UBChainedLibElement* elementsChain);
int widgetAt(QPointF p);
void updateScrolls();
signals:
void mouseClick(UBChainedLibElement* elem);
void elementsDropped(QList<QString> elements, UBLibElement* target);
protected:
void resizeEvent(QResizeEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void showEvent(QShowEvent *event);
private slots:
void onMouseClicked(UBChainedLibElement* elem);
void onElementsDropped(QList<QString> elements, UBLibElement* target);
void onSliderMoved(int value);
private:
void refreshPath();
void addItem(UBChainedLibElement* elem);
/** The chained path elements */
UBChainedLibElement* mpElems;
/** The scene */
UBPathScene* mpScene;
//QGraphicsScene* mpScene;
/** The layout */
QGraphicsLinearLayout* mpLayout;
/** The container that will display the path properly */
QGraphicsWidget* mpContainer;
/** The list of path items (icons + arrows) */
QVector<QGraphicsWidget*> mVItems;
/** The total width of the element in the scene */
int mSceneWidth;
};
class UBFolderPath : public QGraphicsProxyWidget
{
public:
UBFolderPath();
~UBFolderPath();
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
void dropEvent(QDropEvent *pEvent);
void dragMoveEvent(QDragMoveEvent *pEvent);
private:
void processMimeData(const QMimeData* pData);
};
#endif // UBLIBPATHVIEWER_H