KDChartAttributesModel.h

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00001 /****************************************************************************
00002 ** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
00003 **
00004 ** This file is part of the KD Chart library.
00005 **
00006 ** Licensees holding valid commercial KD Chart licenses may use this file in
00007 ** accordance with the KD Chart Commercial License Agreement provided with
00008 ** the Software.
00009 **
00010 **
00011 ** This file may be distributed and/or modified under the terms of the
00012 ** GNU General Public License version 2 and version 3 as published by the
00013 ** Free Software Foundation and appearing in the file LICENSE.GPL included.
00014 **
00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 **
00018 ** Contact info@kdab.com if any conditions of this licensing are not
00019 ** clear to you.
00020 **
00021 **********************************************************************/
00022 
00023 #ifndef __KDCHART_ATTRIBUTES_MODEL_H__
00024 #define __KDCHART_ATTRIBUTES_MODEL_H__
00025 
00026 #include "KDChartAbstractProxyModel.h"
00027 #include <QMap>
00028 #include <QVariant>
00029 
00030 #include "KDChartGlobal.h"
00031 
00032 namespace KDChart {
00033 
00037 class KDCHART_EXPORT AttributesModel : public AbstractProxyModel
00038 {
00039     Q_OBJECT
00040 
00041     friend class AttributesModelSerializer;
00042 
00043 public:
00044     enum PaletteType {
00045         PaletteTypeDefault = 0,
00046         PaletteTypeRainbow = 1,
00047         PaletteTypeSubdued = 2
00048     };
00049 
00050     explicit AttributesModel( QAbstractItemModel* model, QObject * parent = 0 );
00051     ~AttributesModel();
00052 
00056     void initFrom( const AttributesModel* other );
00057 
00061     bool compare( const AttributesModel* other )const;
00062 
00063     bool compareAttributes( int role, const QVariant& a, const QVariant& b )const;
00064 
00065     /* Attributes Model specific API */
00066     bool setModelData( const QVariant value, int role );
00067     QVariant modelData( int role ) const;
00068 
00071     bool isKnownAttributesRole( int role ) const;
00072 
00074     void setPaletteType( PaletteType type );
00075     PaletteType paletteType() const;
00076 
00080     QVariant data(int role) const;
00081 
00085     QVariant data(int column, int role) const;
00086 
00088     QVariant headerData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
00090     int rowCount(const QModelIndex& ) const;
00092     int columnCount(const QModelIndex& ) const;
00094     QVariant data(const QModelIndex&, int role = Qt::DisplayRole) const;
00096     bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::DisplayRole);
00098     bool resetData ( const QModelIndex & index, int role = Qt::DisplayRole);
00100     bool setHeaderData ( int section, Qt::Orientation orientation, const QVariant & value,
00101                          int role = Qt::DisplayRole);
00103     virtual QVariant defaultHeaderData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
00105     bool resetHeaderData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole);
00107     void setSourceModel ( QAbstractItemModel* sourceModel );
00108 
00111     void setDefaultForRole( int role, const QVariant& value );
00112 
00113 Q_SIGNALS:
00114     void attributesChanged( const QModelIndex&, const QModelIndex& );
00115 
00116 protected:
00118     const QMap<int, QMap<int, QMap<int, QVariant> > > dataMap()const;
00120     const QMap<int, QMap<int, QVariant> > horizontalHeaderDataMap()const;
00122     const QMap<int, QMap<int, QVariant> > verticalHeaderDataMap()const;
00124     const QMap<int, QVariant> modelDataMap()const;
00126     void setDataMap( const QMap<int, QMap<int, QMap<int, QVariant> > > map );
00128     void setHorizontalHeaderDataMap( const QMap<int, QMap<int, QVariant> > map );
00130     void setVerticalHeaderDataMap( const QMap<int, QMap<int, QVariant> > map );
00132     void setModelDataMap( const QMap<int, QVariant> map );
00133 
00134 private Q_SLOTS:
00135     void slotRowsAboutToBeInserted( const QModelIndex& parent, int start, int end );
00136     void slotColumnsAboutToBeInserted( const QModelIndex& parent, int start, int end );
00137     void slotRowsInserted( const QModelIndex& parent, int start, int end );
00138     void slotColumnsInserted( const QModelIndex& parent, int start, int end );
00139 
00140     void slotRowsAboutToBeRemoved( const QModelIndex& parent, int start, int end );
00141     void slotColumnsAboutToBeRemoved( const QModelIndex& parent, int start, int end );
00142     void slotRowsRemoved( const QModelIndex& parent, int start, int end );
00143     void slotColumnsRemoved( const QModelIndex& parent, int start, int end );
00144 
00145     void slotDataChanged( const QModelIndex& topLeft, const QModelIndex& bottomRight );
00146 
00147 private:
00148     // helper
00149     QVariant defaultsForRole( int role ) const;
00150 
00151     QMap<int, QMap<int, QMap<int, QVariant> > > mDataMap;
00152     QMap<int, QMap<int, QVariant> > mHorizontalHeaderDataMap;
00153     QMap<int, QMap<int, QVariant> > mVerticalHeaderDataMap;
00154     QMap<int, QVariant> mModelDataMap;
00155     QMap<int, QVariant> mDefaultsMap;
00156     PaletteType mPaletteType;
00157 };
00158 
00159 }
00160 
00161 #endif