kdgantt

kdganttabstractgrid.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 KDGANTTABSTRACTGRID_H
00024 #define KDGANTTABSTRACTGRID_H
00025 
00026 #include "kdganttglobal.h"
00027 #include "kdganttconstraint.h"
00028 
00029 class QPainter;
00030 class QRectF;
00031 class QAbstractItemModel;
00032 class QModelIndex;
00033 
00034 namespace KDGantt {
00035     class AbstractRowController;
00036     class Span;
00037 
00038     class KDGANTT_EXPORT AbstractGrid : public QObject {
00039         Q_OBJECT
00040         KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC( AbstractGrid )
00041     friend class GraphicsScene;
00042     public:
00043         AbstractGrid(QObject* parent = 0);
00044         virtual ~AbstractGrid();
00045 
00046         QAbstractItemModel* model() const;
00047         QModelIndex rootIndex() const;
00048 
00049         virtual Span mapToChart( const QModelIndex& idx ) const = 0;
00050         virtual bool mapFromChart( const Span& span, const QModelIndex& idx,
00051                                    const QList<Constraint>& constraints=QList<Constraint>() ) const = 0;
00052         bool isSatisfiedConstraint( const Constraint& c ) const;
00053 
00054         virtual void paintGrid( QPainter* painter, const QRectF& sceneRect, const QRectF& exposedRect,
00055                                 AbstractRowController* rowController = 0, QWidget* widget=0 ) = 0;
00056         virtual void paintHeader( QPainter* painter, const QRectF& headerRect, const QRectF& exposedRect,
00057                                   qreal offset, QWidget* widget=0 ) = 0;
00058         
00059         virtual void render( QPainter* /*painter*/,  const QRectF & /*target*/, const QRectF&  /*headerRect*/, const QRectF& /*exposedRect*/, QWidget* /*widget*/, Qt::AspectRatioMode /*aspectRatioMode*/ = Qt::KeepAspectRatio ) {}
00060         
00061     public Q_SLOTS:
00062         /*internal*/ virtual void setModel( QAbstractItemModel* model );
00063         /*internal*/ virtual void setRootIndex( const QModelIndex& idx );
00064     Q_SIGNALS:
00065         void gridChanged();
00066     };
00067 }
00068 
00069 #endif /* KDGANTTABSTRACTGRID_H */
00070
kdgantt

kdganttabstractgrid.h

kdgantt

kdepim
