comparison layer/IntervalLayer.h @ 18:d8e6709e9075

add
- EasaierSessionManager
- Easaier menus
- Interval model

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sound Access
+	EASAIER client application.
+	Silogic 2007. Luc Barthélémy.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#ifndef _INTERVAL_LAYER_H_
+#define _INTERVAL_LAYER_H_
+
+#include "layer/Layer.h"
+#include "data/model/IntervalModel.h"
+
+#include <QObject>
+#include <QColor>
+
+class View;
+class QPainter;
+
+class IntervalLayer : public Layer
+{
+    Q_OBJECT
+
+public:
+    IntervalLayer();
+	virtual ~IntervalLayer();
+
+
+    virtual const Model *getModel() const { return m_model; }
+    void setModel(IntervalModel *model);
+
+	virtual void paint(View *, QPainter &, QRect) const;   
+
+    virtual QString toXmlString(QString indent = "",
+				QString extraAttributes = "") const;
+
+	virtual QString toEasaierXmlString(QString indent = "",
+				QString extraAttributes = "") const;
+
+	// From PropertyContainer
+    virtual PropertyList getProperties() const;
+	virtual PropertyType getPropertyType(const PropertyName &) const;
+	virtual int getPropertyRangeAndValue(const PropertyName &,
+                                         int *min, int *max, int *deflt) const;
+    virtual QString getPropertyValueLabel(const PropertyName &,
+					  int value) const;
+
+	void setProperties(const QXmlAttributes &attributes);
+    virtual void setProperty(const PropertyName &, int value);
+
+	virtual QString getPropertyLabel(const PropertyName &) const;
+
+    void setBaseColour(QColor);
+    QColor getBaseColour() const { return m_colour; }
+
+    virtual bool getValueExtents(float &min, float &max,
+                                 bool &log, QString &unit) const;
+
+	virtual QString getFeatureDescription(View *v, QPoint &) const;
+
+	virtual bool isLayerEditable() const { return true; }
+
+	virtual bool snapToFeatureFrame(View *v, int &frame,
+				    size_t &resolution,
+				    SnapType snap) const;
+
+	// for edition
+	virtual void drawStart(View *, QMouseEvent *);
+    virtual void drawDrag(View *, QMouseEvent *);
+    virtual void drawEnd(View *, QMouseEvent *);
+
+    virtual void editStart(View *, QMouseEvent *);
+    virtual void editDrag(View *, QMouseEvent *);
+    virtual void editEnd(View *, QMouseEvent *);
+
+    virtual void editOpen(View *, QMouseEvent *); // on double-click
+
+    virtual void moveSelection(Selection s, size_t newStartFrame);
+    virtual void resizeSelection(Selection s, Selection newSize);
+    virtual void deleteSelection(Selection s);
+
+    virtual void copy(Selection s, Clipboard &to);
+    virtual void paste(const Clipboard &from, int frameOffset);
+
+protected:
+
+	int getYForHeight(View *v, float height) const;
+    float getHeightForY(View *v, int y) const;
+
+	IntervalList getIntervalAt(View *v, int x, int y);
+	IntervalList getInterval(long start, long end);
+
+private:
+
+	IntervalModel*	m_model;
+    QColor			m_colour;
+
+    int									m_editing;
+	TimeIntervalPtr						m_editingInterval;
+	IntervalModel::IntervalCommand*		m_editingCommand;
+};
+
+#endif //_INTERVAL_LAYER_H_