yacreader/custom_widgets/yacreader_table_view.h

#ifndef YACREADER_TABLE_VIEW_H
#define YACREADER_TABLE_VIEW_H

#include <QTableView>
#include <QStyledItemDelegate>

class YACReaderDeletingProgress;
class QResizeEvent;
class QPropertyAnimation;

class YACReaderTableView : public QTableView
{
	Q_OBJECT
public:
	explicit YACReaderTableView(QWidget *parent = 0);
	
signals:
	void comicRated(int,QModelIndex);
public slots:
	void showDeleteProgress();
	void hideDeleteProgress();
	void closeRatingEditor();
protected slots:

virtual void closeEditor ( QWidget * editor, QAbstractItemDelegate::EndEditHint hint );
virtual void commitData ( QWidget * editor );
private:
	YACReaderDeletingProgress * deletingProgress;
	bool showDelete;
	QPropertyAnimation * showDeletingProgressAnimation;

	void resizeEvent(QResizeEvent * event);
	void mouseMoveEvent(QMouseEvent *event);
	void mousePressEvent(QMouseEvent * event);
	void leaveEvent(QEvent * event);
    void performDrag();
    void dragEnterEvent(QDragEnterEvent * event);
    void dragMoveEvent(QDragMoveEvent * event);
    void dropEvent(QDropEvent * event);


	bool editing;
	QModelIndex currentIndexEditing;
	QWidget * myeditor;

    //drag from here
    QPoint startDragPos;
};

//---

class YACReaderRatingDelegate : public QStyledItemDelegate
{
	Q_OBJECT

public:
	YACReaderRatingDelegate(QWidget *parent = 0) : QStyledItemDelegate(parent) {}

	void paint(QPainter *painter, const QStyleOptionViewItem &option,
			   const QModelIndex &index) const;
	QSize sizeHint(const QStyleOptionViewItem &option,
				   const QModelIndex &index) const;
	QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
						  const QModelIndex &index) const;
	void setEditorData(QWidget *editor, const QModelIndex &index) const;
	void setModelData(QWidget *editor, QAbstractItemModel *model,
					  const QModelIndex &index) const;

private slots:
	void sendCloseEditor();
	void sendCommitData();
};

//---

class StarRating
{
public:
	enum EditMode { Editable, ReadOnly };

	StarRating(int starCount = 1, int maxStarCount = 5);

	void paint(QPainter *painter, const QRect &rect,
		const QPalette &palette, EditMode mode) const;
	void paintSelected(QPainter *painter, const QRect &rect,
		const QPalette &palette, EditMode mode, QColor color) const;
	void paintSelected(QPainter *painter, const QRect &rect,
		const QPalette &palette, EditMode mode) const;
	QSize sizeHint() const;
	int starCount() const { return myStarCount; }
	int maxStarCount() const { return myMaxStarCount; }
	void setStarCount(int starCount) { myStarCount = starCount; }
	void setMaxStarCount(int maxStarCount) { myMaxStarCount = maxStarCount; }
private:
	QPolygonF starPolygon;
	QPolygonF diamondPolygon;
	int myStarCount;
	int myMaxStarCount;
};
Q_DECLARE_METATYPE(StarRating);
//---

class StarEditor : public QWidget
{
	Q_OBJECT

public:
	StarEditor(QWidget *parent = 0);

	QSize sizeHint() const;
	void setStarRating(const StarRating &starRating) {
		myStarRating = starRating;
	}
	StarRating starRating() { return myStarRating; }
	bool getShouldCommitData() {return shouldCommitData;};

signals:
	void editingFinished();
	void commitData();

protected:
	void paintEvent(QPaintEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mousePressEvent(QMouseEvent *event);
	void leaveEvent(QEvent * event);

private:
	int starAtPosition(int x);
	StarRating myStarRating;
	bool shouldCommitData;
};
#endif // YACREADER_TABLE_VIEW_H