KD Chart 2: KDChartAttributesModel.h Source File

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# KDChartAttributesModel.h

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    00001 /* -*- Mode: C++ -*-
    00002    KDChart - a multi-platform charting engine
    00003    */
    00004
    00005 /****************************************************************************
    00006  ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
    00007  **
    00008  ** This file is part of the KD Chart library.
    00009  **
    00010  ** This file may be distributed and/or modified under the terms of the
    00011  ** GNU General Public License version 2 as published by the Free Software
    00012  ** Foundation and appearing in the file LICENSE.GPL included in the
    00013  ** packaging of this file.
    00014  **
    00015  ** Licensees holding valid commercial KD Chart licenses may use this file in
    00016  ** accordance with the KD Chart Commercial License Agreement provided with
    00017  ** the Software.
    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  ** See http://www.kdab.net/kdchart for
    00023  **   information about KD Chart Commercial License Agreements.
    00024  **
    00025  ** Contact info@kdab.net if any conditions of this
    00026  ** licensing are not clear to you.
    00027  **
    00028  **********************************************************************/
    00029 #ifndef __KDCHART_ATTRIBUTES_MODEL_H__
    00030 #define __KDCHART_ATTRIBUTES_MODEL_H__
    00031
    00032 #include "KDChartAbstractProxyModel.h"
    00033 #include <QMap>
    00034 #include <QVariant>
    00035
    00036 #include "KDChartGlobal.h"
    00037
    00038 namespace KDChart {
    00039
    00040 class KDCHART_EXPORT AttributesModel : public AbstractProxyModel
    00041 {
    00042     Q_OBJECT
    00043
    00044     friend class AttributesModelSerializer;
    00045
    00046 public:
    00047     enum PaletteType {
    00048         PaletteTypeDefault = 0,
    00049         PaletteTypeRainbow = 1,
    00050         PaletteTypeSubdued = 2
    00051     };
    00052
    00053     explicit AttributesModel( QAbstractItemModel* model, QObject * parent = 0 );
    00054     ~AttributesModel();
    00055
    00056     /* Copies the internal data (maps and palette) of another
    00057        AttributesModel* into this one.
    00058     */
    00059     void initFrom( const AttributesModel* other );
    00060
    00061     /* Returns true if both, all of the attributes set, and
    00062      * the palette set is equal in both of the AttributeModels.
    00063     */
    00064     bool compare( const AttributesModel* other )const;
    00065
    00066     bool compareAttributes( int role, const QVariant& a, const QVariant& b )const;
    00067
    00068     /* Attributes Model specific API */
    00069     bool setModelData( const QVariant value, int role );
    00070     QVariant modelData( int role ) const;
    00071
    00074     bool isKnownAttributesRole( int role ) const;
    00075
    00077     void setPaletteType( PaletteType type );
    00078     PaletteType paletteType() const;
    00079
    00083     QVariant data(int role) const;
    00084
    00088     QVariant data(int column, int role) const;
    00089
    00091     QVariant headerData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
    00093     int rowCount(const QModelIndex& ) const;
    00095     int columnCount(const QModelIndex& ) const;
    00097     QVariant data(const QModelIndex&, int role = Qt::DisplayRole) const;
    00099     bool setData ( const QModelIndex & index, const QVariant & value, int role = Qt::DisplayRole);
    00101     bool resetData ( const QModelIndex & index, int role = Qt::DisplayRole);
    00103     bool setHeaderData ( int section, Qt::Orientation orientation, const QVariant & value,
    00104                          int role = Qt::DisplayRole);
    00106     bool resetHeaderData ( int section, Qt::Orientation orientation, int role = Qt::DisplayRole);
    00108     void setSourceModel ( QAbstractItemModel* sourceModel );
    00109
    00110 Q_SIGNALS:
    00111     void attributesChanged( const QModelIndex&, const QModelIndex& );
    00112
    00113 protected:
    00115     const QMap<int, QMap<int, QMap<int, QVariant> > > dataMap()const;
    00117     const QMap<int, QMap<int, QVariant> > horizontalHeaderDataMap()const;
    00119     const QMap<int, QMap<int, QVariant> > verticalHeaderDataMap()const;
    00121     const QMap<int, QVariant> modelDataMap()const;
    00123     void setDataMap( const QMap<int, QMap<int, QMap<int, QVariant> > > map );
    00125     void setHorizontalHeaderDataMap( const QMap<int, QMap<int, QVariant> > map );
    00127     void setVerticalHeaderDataMap( const QMap<int, QMap<int, QVariant> > map );
    00129     void setModelDataMap( const QMap<int, QVariant> map );
    00130
    00131 private:
    00132     // helper
    00133     QVariant defaultsForRole( int role ) const;
    00134
    00135     QMap<int, QMap<int, QMap<int, QVariant> > > mDataMap;
    00136     QMap<int, QMap<int, QVariant> > mHorizontalHeaderDataMap;
    00137     QMap<int, QMap<int, QVariant> > mVerticalHeaderDataMap;
    00138     QMap<int, QVariant> mModelDataMap;
    00139     PaletteType mPaletteType;
    00140 };
    00141
    00142 }
    00143
    00144 #endif