#ifndef XSHCOLUMNVIEWER_H
#define XSHCOLUMNVIEWER_H

#include <QWidget>
#include <QListWidget>
#include <QLineEdit>

// forward declaration
class XsheetViewer;
class TObjectHandle;
class TXsheetHandle;
class TStageObjectId;
class TXshColumn;

//=============================================================================
namespace XsheetGUI
{

class DragTool;

//=============================================================================
// MotionPathMenu
//-----------------------------------------------------------------------------

class MotionPathMenu : public QWidget
{
	Q_OBJECT

	QRect m_mDeleteRect;
	QRect m_mNormalRect;
	QRect m_mRotateRect;
	QPoint m_pos;

public:
#if QT_VERSION >= 0x050500
	MotionPathMenu(QWidget *parent = 0, Qt::WindowFlags flags = 0);
#else
	MotionPathMenu(QWidget *parent = 0, Qt::WFlags flags = 0);
#endif

	~MotionPathMenu();

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

//=============================================================================
// ChangeParentObjectWidget
//-----------------------------------------------------------------------------

class ChangeObjectWidget : public QListWidget
{
	Q_OBJECT

protected:
	TObjectHandle *m_objectHandle;
	TXsheetHandle *m_xsheetHandle;
	int m_width;

public:
	ChangeObjectWidget(QWidget *parent = 0);
	~ChangeObjectWidget();

	void show(const QPoint &pos);
	void setObjectHandle(TObjectHandle *objectHandle);
	void setXsheetHandle(TXsheetHandle *xsheetHandle);

	virtual void refresh(){};

protected:
	void mouseMoveEvent(QMouseEvent *event);
	void focusOutEvent(QFocusEvent *e);
	void focusInEvent(QFocusEvent *e) {}
	void selectCurrent(const QString &text);

protected slots:
	virtual void onTextChanged(const QString &) = 0;
};

//=============================================================================
// ChangeObjectParent
//-----------------------------------------------------------------------------

class ChangeObjectParent : public ChangeObjectWidget
{
	Q_OBJECT

public:
	ChangeObjectParent(QWidget *parent = 0);
	~ChangeObjectParent();

	void refresh();

protected slots:
	void onTextChanged(const QString &);
};

//=============================================================================
// ChangeObjectHandle
//-----------------------------------------------------------------------------

class ChangeObjectHandle : public ChangeObjectWidget
{
	Q_OBJECT

public:
	ChangeObjectHandle(QWidget *parent = 0);
	~ChangeObjectHandle();

	void refresh();

protected slots:
	void onTextChanged(const QString &);
};

//=============================================================================
// RenameColumnField
//-----------------------------------------------------------------------------

class RenameColumnField : public QLineEdit
{
	Q_OBJECT

	int m_col;

	TXsheetHandle *m_xsheetHandle;

public:
	RenameColumnField(QWidget *parent, XsheetViewer *viewer);
	~RenameColumnField() {}

	void setXsheetHandle(TXsheetHandle *xsheetHandle) { m_xsheetHandle = xsheetHandle; }

	void show(QPoint pos, int col);

protected:
	void focusOutEvent(QFocusEvent *);

protected slots:
	void renameColumn();
};

//=============================================================================
// ColumnArea
//-----------------------------------------------------------------------------

class ColumnTransparencyPopup : public QWidget
{
	Q_OBJECT

	QSlider *m_slider;
	QLineEdit *m_value;
	TXshColumn *m_column;

public:
	ColumnTransparencyPopup(QWidget *parent);
	void setColumn(TXshColumn *column);

protected:
	//void mouseMoveEvent ( QMouseEvent * e );
	void mouseReleaseEvent(QMouseEvent *e);

protected slots:
	void onSliderReleased();
	void onSliderChange(int val);
	void onSliderValueChanged(int);
	void onValueChanged(const QString &);
};

//!La classe si occupa della visualizzazione dell'area che gestisce le colonne.
class ColumnArea : public QWidget
{
	Q_OBJECT

	enum { ToggleTransparency = 1,
		   TogglePreviewVisible,
		   ToggleLock };

	ColumnTransparencyPopup *m_columnTransparencyPopup;
	QTimer *m_transparencyPopupTimer;
	int m_doOnRelease;
	XsheetViewer *m_viewer;
	int m_col;
	QRect m_indexBox;
	QRect m_tabBox;
	QRect m_nameBox;
	QRect m_linkBox;
	QRect m_prevViewBox;
	QRect m_tableViewBox;
	QRect m_lockBox;

	bool m_isPanning;

	QPoint m_pos;
	QString m_tooltip;

	RenameColumnField *m_renameColumnField;
#ifndef LINETEST
	ChangeObjectParent *m_changeObjectParent;
	ChangeObjectHandle *m_changeObjectHandle;
#else
	MotionPathMenu *m_motionPathMenu;
#endif

	QAction *m_subsampling1;
	QAction *m_subsampling2;
	QAction *m_subsampling3;
	QAction *m_subsampling4;

	DragTool *getDragTool() const;
	void setDragTool(DragTool *dragTool);
	void startTransparencyPopupTimer(QMouseEvent *e);

public:
#if QT_VERSION >= 0x050500
	ColumnArea(XsheetViewer *parent, Qt::WindowFlags flags = 0);
#else
	ColumnArea(XsheetViewer *parent, Qt::WFlags flags = 0);
#endif
	~ColumnArea();

	void drawLevelColumnHead(QPainter &p, int col);
	void drawSoundColumnHead(QPainter &p, int col);
	void drawPaletteColumnHead(QPainter &p, int col);
	void drawSoundTextColumnHead(QPainter &p, int col);

	QPixmap getColumnIcon(int columnIndex);

protected:
	void select(int columnIndex, QMouseEvent *event);

	void paintEvent(QPaintEvent *);

	void mousePressEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void mouseDoubleClickEvent(QMouseEvent *event);
	void contextMenuEvent(QContextMenuEvent *event);
	bool event(QEvent *event);

protected slots:
	void onSubSampling(QAction *);
	void openTransparencyPopup();
};

//-----------------------------------------------------------------------------
} // namespace XsheetGUI;
//-----------------------------------------------------------------------------

#endif // XSHCOLUMNVIEWER_H