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141 lines
5.1 KiB
C++
141 lines
5.1 KiB
C++
/****************************************************************************
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** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Gantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KD Gantt licenses may use this file in
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** accordance with the KD Gantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.kdab.net/kdgantt for
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** information about KD Gantt Commercial License Agreements.
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**
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** Contact info@kdab.net if any conditions of this
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** licensing are not clear to you.
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**
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**********************************************************************/
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#ifndef KDGANTTGRAPHICSSCENE_H
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#define KDGANTTGRAPHICSSCENE_H
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#include <QDateTime>
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#include <QList>
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#include <QGraphicsScene>
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#include <QModelIndex>
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#include "kdganttglobal.h"
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#include <QAbstractProxyModel>
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#include <QItemSelectionModel>
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#include <QPrinter>
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namespace KDGantt {
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class AbstractGrid;
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class AbstractRowController;
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class GraphicsItem;
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class Constraint;
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class ConstraintModel;
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class ConstraintGraphicsItem;
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class ItemDelegate;
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class GraphicsScene : public QGraphicsScene {
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Q_OBJECT
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KDGANTT_DECLARE_PRIVATE_BASE_POLYMORPHIC( GraphicsScene )
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public:
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explicit GraphicsScene( QObject* parent=0 );
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virtual ~GraphicsScene();
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//qreal dateTimeToSceneX( const QDateTime& dt ) const;
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//QDateTime sceneXtoDateTime( qreal x ) const;
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static QModelIndex mainIndex( const QModelIndex& idx );
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static QModelIndex dataIndex( const QModelIndex& idx );
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QAbstractItemModel* model() const;
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QAbstractProxyModel* summaryHandlingModel() const;
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QModelIndex rootIndex() const;
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ConstraintModel* constraintModel() const;
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QItemSelectionModel* selectionModel() const;
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void insertItem( const QPersistentModelIndex&, GraphicsItem* );
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void removeItem( const QModelIndex& );
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using QGraphicsScene::removeItem;
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GraphicsItem* findItem( const QModelIndex& ) const;
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GraphicsItem* findItem( const QPersistentModelIndex& ) const;
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void updateItems();
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void clearItems();
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void deleteSubtree( const QModelIndex& );
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ConstraintGraphicsItem* findConstraintItem( const Constraint& ) const;
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QList<ConstraintGraphicsItem*> findConstraintItems( const QModelIndex& idx ) const;
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void clearConstraintItems();
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void setItemDelegate( ItemDelegate* );
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ItemDelegate* itemDelegate() const;
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void setRowController( AbstractRowController* rc );
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AbstractRowController* rowController() const;
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void setGrid( AbstractGrid* grid );
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AbstractGrid* grid() const;
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bool isReadOnly() const;
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void updateRow( const QModelIndex& idx );
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GraphicsItem* createItem( ItemType type ) const;
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/* used by GraphicsItem */
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void itemEntered( const QModelIndex& );
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void itemPressed( const QModelIndex& );
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void itemClicked( const QModelIndex& );
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void itemDoubleClicked( const QModelIndex& );
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void setDragSource( GraphicsItem* item );
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GraphicsItem* dragSource() const;
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/* Printing */
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void print( QPrinter* printer, bool drawRowLabels = true );
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void print( QPrinter* printer, qreal start, qreal end, bool drawRowLabels = true );
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void print( QPainter* painter, const QRectF& target = QRectF(), bool drawRowLabels=true );
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void print( QPainter* painter, qreal start, qreal end, const QRectF& target = QRectF(), bool drawRowLabels=true );
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Q_SIGNALS:
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void gridChanged();
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void clicked( const QModelIndex & index );
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void doubleClicked( const QModelIndex & index );
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void entered( const QModelIndex & index );
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void pressed( const QModelIndex & index );
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protected:
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/*reimp*/ void helpEvent( QGraphicsSceneHelpEvent *helpEvent );
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/*reimp*/ void drawBackground( QPainter* painter, const QRectF& rect );
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public Q_SLOTS:
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void setModel( QAbstractItemModel* );
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void setSummaryHandlingModel( QAbstractProxyModel* );
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void setConstraintModel( ConstraintModel* );
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void setRootIndex( const QModelIndex& idx );
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void setSelectionModel( QItemSelectionModel* selectionmodel );
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void setReadOnly( bool );
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private Q_SLOTS:
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/* slots for ConstraintModel */
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void slotConstraintAdded( const Constraint& );
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void slotConstraintRemoved( const Constraint& );
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void slotGridChanged();
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private:
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void doPrint( QPainter* painter, const QRectF& targetRect,
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qreal start, qreal end,
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QPrinter* printer, bool drawRowLabels );
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};
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}
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#endif /* KDGANTTGRAPHICSSCENE_H */
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