/usr/include/KChart/KChartAbstractCartesianDiagram.h is in libkchart-dev 2.6.0-1.
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* Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
*
* This file is part of the KD Chart library.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KCHARTABSTRACTCARTESIANDIAGRAM_H
#define KCHARTABSTRACTCARTESIANDIAGRAM_H
#include "KChartCartesianCoordinatePlane.h"
#include "KChartAbstractDiagram.h"
#include "KChartCartesianAxis.h"
namespace KChart {
class GridAttributes;
/**
* @brief Base class for diagrams based on a cartesian coordianate system.
*
* The AbstractCartesianDiagram interface adds those elements that are
* specific to diagrams based on a cartesian coordinate system to the
* basic AbstractDiagram interface.
*/
class KCHART_EXPORT AbstractCartesianDiagram : public AbstractDiagram
{
Q_OBJECT
Q_DISABLE_COPY( AbstractCartesianDiagram )
KCHART_DECLARE_DERIVED_DIAGRAM( AbstractCartesianDiagram, CartesianCoordinatePlane )
public:
explicit AbstractCartesianDiagram( QWidget* parent = 0, CartesianCoordinatePlane* plane = 0 );
virtual ~AbstractCartesianDiagram();
/**
* Returns true if both diagrams have the same settings.
*/
bool compare( const AbstractCartesianDiagram* other ) const;
#if defined(Q_COMPILER_MANGLES_RETURN_TYPE)
virtual const int numberOfAbscissaSegments() const = 0;
virtual const int numberOfOrdinateSegments() const = 0;
#else
virtual int numberOfAbscissaSegments() const = 0;
virtual int numberOfOrdinateSegments() const = 0;
#endif
/**
* Add the axis to the diagram. The diagram takes ownership of the axis
* and will delete it.
*
* To gain back ownership (e.g. for assigning the axis to another diagram)
* use the takeAxis method, before calling addAxis on the other diagram.
*
* \sa takeAxis
*/
virtual void addAxis( CartesianAxis * axis );
/**
* Removes the axis from the diagram, without deleting it.
*
* The diagram no longer owns the axis, so it is
* the caller's responsibility to delete the axis.
*
* \sa addAxis
*/
virtual void takeAxis( CartesianAxis * axis );
/**
* @return a list of all axes added to the diagram
*/
virtual KChart::CartesianAxisList axes() const;
/**
* Triggers layouting of all coordinate planes on the current chart.
* Normally you don't need to call this method. It's handled automatically for you.
*/
virtual void layoutPlanes();
/** \reimpl */
virtual void setCoordinatePlane( AbstractCoordinatePlane* plane );
/**
* Makes this diagram use another diagram \a diagram as reference diagram with relative offset
* \a offset.
* To share cartesian axes between different diagrams there might be cases when you need that.
* Normally you don't.
* \sa examples/SharedAbscissa
*/
virtual void setReferenceDiagram( AbstractCartesianDiagram* diagram, const QPointF& offset = QPointF() );
/**
* @return this diagram's reference diagram
* \sa setReferenceDiagram
*/
virtual AbstractCartesianDiagram* referenceDiagram() const;
/**
* @return the relative offset of this diagram's reference diagram
* \sa setReferenceDiagram
*/
virtual QPointF referenceDiagramOffset() const;
/* reimpl */
void setModel( QAbstractItemModel* model );
/* reimpl */
void setRootIndex( const QModelIndex& index );
/* reimpl */
void setAttributesModel( AttributesModel* model );
protected Q_SLOTS:
void connectAttributesModel( AttributesModel* );
protected:
/** @return the 3D item depth of the model index \a index */
virtual qreal threeDItemDepth( const QModelIndex& index ) const = 0;
/** @return the 3D item depth of the data set \a column */
virtual qreal threeDItemDepth( int column ) const = 0;
};
}
#endif
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