initial import

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+/************************************************************************
+ * $Id: pageitem.h 661 2011-04-05 13:16:53Z elzubeir $
+ *
+ * ------------
+ * Description:
+ * ------------
+ *
+ * (C) Copyright 2009-2011 ALLCONTENT. All rights reserved.
+ *
+ * -----------------
+ * Revision Details:    (Updated by Revision Control System)
+ * -----------------
+ *  $Date: 2011-04-05 17:16:53 +0400 (Tue, 05 Apr 2011) $
+ *  $Author: elzubeir $
+ *  $Revision: 661 $
+ *  $HeadURL: file:///opt/svn/socialhose/trunk/app/ClippingStation/pageitem.h $
+ *
+ ************************************************************************/
+
+#ifndef PAGE_ITEM_H
+#define PAGE_ITEM_H
+
+#include <QGraphicsRectItem>
+
+#include "pagemargin.h"
+#include "thumbnail.h"
+#include "globalfunctions.h"
+
+/**
+        \brief Purpose of this class is to display the page item.
+        This item takes care of drop operations in the right panel.
+*/
+class PageItem : public QGraphicsRectItem
+{
+public:
+
+    //! \fn PageItem()
+    //!     constructor
+    //! \param[in] paper format (default to A4)
+    //! \param[in] isfirst is this is the firat A4 page
+    //! \author elzubeir
+    PageItem(const QString & paperFormat, bool isfirst); //ctor
+
+    //! \fn ~PageItem()
+    //!     desctructor
+    //! \author elzubeir
+    virtual ~PageItem(); //dtor
+
+    //! \fn hideMargins()
+    //!     hide the margins
+    //! \param[in] hid: to show or to hide
+    //! \author elzubeir
+    void hideMargins(bool hide = true);
+
+    //! \fn addThumbnail()
+    //!     add a thumbnail to the page
+    //! \param[in] thumbnail image
+    //! \author elzubeir
+    void addThumbnail(QImage &img);
+
+    //! \fn addCutout()
+    //!     add cutout to the A4 page
+    //! \param[in] cutout image
+    //! \param[in] position point to where to add the cutout to page
+    //! \param[in] the scale to which zoom the image
+    //! \author elzubeir
+    void addCutout(QImage &img, QPointF &pos, qreal scale);
+
+    //! \fn width()
+    //!     the pages width
+    //! \return the pages width
+    //! \author elzubeir
+    qreal width();
+
+    //! \fn height()
+    //!     the pages height
+    //! \return the pages height
+    //! \author elzubeir
+    qreal height();
+
+    //! \fn margin()
+    //!     the pages margin
+    //! \return the pages margin
+    //! \author elzubeir
+    PageMargin& margin();
+
+    //! \fn withinMarginBoundaries()
+    //!     sets the point to within the pages boundaries
+    //! \author elzubeir
+    //! \param[out] the point within the boundary of the margin
+    //! \param[in] margins width
+    //! \param[in] margins height
+    //! \author elzubeir
+    void withinMarginBoundaries(QPointF &point, int width, int height);
+
+    //! \fn unselectItems();
+    //!     unselect cutout items in the image
+    //! \author elzubeir
+    void unselectItems();
+
+    //! \fn setPixmap()
+    //!     set the pixmap value of the image
+    //! \author elzubeir
+    void setPixmap(const QPixmap &pix);
+
+    //! \fn cutoutsCount()
+    //!     the total count of the cutouts in the page
+    //! \return the number of cutouts in the page
+    //! \author elzubeir
+    int cutoutsCount();
+
+    //! \fn centerCutouts()
+    //!     center the cutouts in the drawer
+    //! \param[in]  is this an arabic cutout of not
+    //! \returns a rectangle holding the centered cutouts
+    //! \author elzubeir
+    QRectF centerCutouts(bool isArabic);
+
+protected:
+    // overrides QGraphicsRectItem events.
+    //! \fn dragMoveEvent()
+    //!     called when a drag operation is initaated
+    //! \author elzubeir
+    virtual void dragMoveEvent(QGraphicsSceneDragDropEvent * event);
+
+    //! \fn dropEvent()
+    //!     called when a drop event happens
+    //! \author elzubeir
+    virtual void dropEvent(QGraphicsSceneDragDropEvent * event);
+
+private:
+    //! \fn calculateDropEvent()
+    //!     calculates the cutout drop position within margins
+    //! \param[in]  top left position of the cutout
+    //! \param[in]  cutouts width
+    //! \param[in]  cutouts heigh
+    //! \returns a point for the top left position of the cutout
+    //! \author elzubeir
+    QPointF calculateDropEvent(const QPointF & itemPos, int pixmapWidth, int pixmapHeight) const;
+
+private:
+    //! paper format (defulat to A4)
+    QString m_paperFormat;
+
+    //! page width
+    qreal   m_pageWidth;
+
+    //! page height
+    qreal   m_pageHeight;
+
+    //! is this the first page
+    bool    m_isFirstPage;
+
+    //! page margin
+    PageMargin m_pageMargin;
+
+    //! thumbnail image
+    Thumbnail  * m_thumbnail;
+};
+
+#endif // PAGE_ITEM_H