Annotation.h

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/*
 * Annotation.h
 *
 *  Created on: Sep 27, 2012
 *      Author: slovelan
 */

#ifndef ANNOTATION_H_
#define ANNOTATION_H_
#include <display/QtPlotter/annotations/AnnotationEditor.qo.h>
#include <display/QtPlotter/annotations/PropertyListener.h>
#include <QColor>
#include <QObject>
class QPainter;

namespace casa {

        class Annotation : public PropertyListener {
        public:
                Annotation( QWidget* parent = NULL );

                void setDimensionsPosition( int locationX, int locationY );
                void setDimensions( int width, int height );

                void move( int positionX, int positionY );

                bool registerMousePosition( int mouseX, int mouseY );

                void mousePositionMoved( int mouseX, int mouseY );
                void draw( QPainter* painter );
                void setSelected( bool selected );
                bool isSelected() const;
                bool contains( int posX, int posY) const;
                virtual void drawAnnotation( QPainter* painter ) = 0;
                void showEditor( );
                virtual ~Annotation();
                void propertiesChanged();

        protected:
                AnnotationEditor annotationEditor;
                void init();
                //Top left corner of the annotation
                int pixelX;
                int pixelY;
                int width;
                int height;

                //Stored reference point for later calculation move amounts
                int mouseDownX;
                int mouseDownY;

        private:
                enum MouseLocation {TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT, INTERIOR };
                bool isInCorner( int cornerX, int cornerY, int mouseX, int mouseY ) const;
                void drawCorner( MouseLocation cornerLocation, QPainter* painter, int cornerX, int cornerY );

                bool selected;
                QColor foregroundColor;
                const int CORNER_SIZE;
                const int MIN_WIDTH;
                const int MIN_HEIGHT;
                MouseLocation mouseLocation;
        };

} /* namespace casa */
#endif /* ANNOTATION_H_ */