kdgantt

kdganttgraphicsscene.h

00001 /****************************************************************************
00002  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
00003  **
00004  ** This file is part of the KD Gantt library.
00005  **
00006  ** This file may be used under the terms of the GNU General Public
00007  ** License versions 2.0 or 3.0 as published by the Free Software
00008  ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
00009  ** included in the packaging of this file.  Alternatively you may (at
00010  ** your option) use any later version of the GNU General Public
00011  ** License if such license has been publicly approved by
00012  ** Klarälvdalens Datakonsult AB (or its successors, if any).
00013  ** 
00014  ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
00015  ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
00016  ** A PARTICULAR PURPOSE. Klarälvdalens Datakonsult AB reserves all rights
00017  ** not expressly granted herein.
00018  ** 
00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00021  **
00022  **********************************************************************/
00023 #ifndef KDGANTTGRAPHICSSCENE_H
00024 #define KDGANTTGRAPHICSSCENE_H
00025 
00026 #include <QDateTime>
00027 #include <QList>
00028 #include <QGraphicsScene>
00029 #include <QModelIndex>
00030 
00031 #include "kdganttglobal.h"
00032 
00033 class QAbstractProxyModel;
00034 class QItemSelectionModel;
00035 
00036 namespace KDGantt {
00037     class AbstractGrid;
00038     class AbstractRowController;
00039     class GraphicsItem;
00040     class Constraint;
00041     class ConstraintModel;
00042     class ConstraintGraphicsItem;
00043     class ItemDelegate;
00044     class GraphicsView;
00045     
00046     class GraphicsScene : public QGraphicsScene {
00047         Q_OBJECT
00048         KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC( GraphicsScene )
00049     public:
00050         explicit GraphicsScene( QObject* parent=0 );
00051         virtual ~GraphicsScene();
00052 
00053         //qreal dateTimeToSceneX( const QDateTime& dt ) const;
00054         //QDateTime sceneXtoDateTime( qreal x ) const;
00055 
00056         static QModelIndex mainIndex( const QModelIndex& idx );
00057         static QModelIndex dataIndex( const QModelIndex& idx );
00058 
00059         QAbstractItemModel* model() const;
00060         QAbstractProxyModel* summaryHandlingModel() const;
00061         QModelIndex rootIndex() const;
00062         ConstraintModel* constraintModel() const;
00063         QItemSelectionModel* selectionModel() const;
00064 
00065         void insertItem( const QPersistentModelIndex&, GraphicsItem* );
00066         void removeItem( const QModelIndex& );
00067         GraphicsItem* findItem( const QModelIndex& ) const;
00068         GraphicsItem* findItem( const QPersistentModelIndex& ) const;
00069 
00070         void updateItems();
00071         void clearItems();
00072         void deleteSubtree( const QModelIndex& );
00073 
00074         ConstraintGraphicsItem* findConstraintItem( const Constraint& ) const;
00075         QList<ConstraintGraphicsItem*> findConstraintItems( const QModelIndex& idx ) const;
00076         void clearConstraintItems();
00077 
00078         void setItemDelegate( ItemDelegate* );
00079         ItemDelegate* itemDelegate() const;
00080 
00081         void setRowController( AbstractRowController* rc );
00082         AbstractRowController* rowController() const;
00083 
00084         void setGrid( AbstractGrid* grid );
00085         AbstractGrid* grid() const;
00086 
00087         bool isReadOnly() const;
00088 
00089         void updateRow( const QModelIndex& idx );
00090         GraphicsItem* createItem( ItemType type ) const;
00091 
00092         /* used by GraphicsItem */
00093         void itemEntered( const QModelIndex& );
00094         void itemPressed( const QModelIndex& );
00095         void itemClicked( const QModelIndex& );
00096         void itemDoubleClicked( const QModelIndex& );
00097         void setDragSource( GraphicsItem* item );
00098         GraphicsItem* dragSource() const;
00099 
00100         /* Printing */
00101         void print( QPainter* painter, const QRectF& target = QRectF(), const QRectF& source = QRectF(), bool drawRowLabels=true, GraphicsView *view=0 );
00102         QRectF printRect(bool drawRowLabels=true );
00103         
00104     Q_SIGNALS:
00105         void gridChanged();
00106 
00107         void clicked( const QModelIndex & index );
00108         void doubleClicked( const QModelIndex & index );
00109         void entered( const QModelIndex & index );
00110         void pressed( const QModelIndex & index );
00111 
00112     protected:
00113         /*reimp*/ void helpEvent( QGraphicsSceneHelpEvent *helpEvent );
00114         /*reimp*/ void drawBackground( QPainter* painter, const QRectF& rect );
00115 
00116     public Q_SLOTS:
00117         void setModel( QAbstractItemModel* );
00118         void setSummaryHandlingModel( QAbstractProxyModel* );
00119         void setConstraintModel( ConstraintModel* );
00120         void setRootIndex( const QModelIndex& idx );
00121         void setSelectionModel( QItemSelectionModel* selectionmodel );
00122         void setReadOnly( bool );
00123 
00124     private Q_SLOTS:
00125         /* slots for ConstraintModel */
00126         void slotConstraintAdded( const Constraint& );
00127         void slotConstraintRemoved( const Constraint& );
00128         void slotGridChanged();
00129     };
00130 }
00131 
00132 #endif /* KDGANTTGRAPHICSSCENE_H */
kdgantt

kdganttgraphicsscene.h

kdgantt

kdepim
