130 lines
2.7 KiB
C++
130 lines
2.7 KiB
C++
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#include "qwt_legend_data.h"
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//! Constructor
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QwtLegendData::QwtLegendData()
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{
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}
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//! Destructor
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QwtLegendData::~QwtLegendData()
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{
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}
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/*!
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Set the legend attributes
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QwtLegendData actually is a QMap<int, QVariant> with some
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convenience interfaces
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\param map Values
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\sa values()
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*/
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void QwtLegendData::setValues( const QMap<int, QVariant> &map )
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{
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d_map = map;
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}
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/*!
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\return Legend attributes
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\sa setValues()
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*/
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const QMap<int, QVariant> &QwtLegendData::values() const
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{
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return d_map;
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}
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/*!
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\param role Attribute role
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\return True, when the internal map has an entry for role
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*/
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bool QwtLegendData::hasRole( int role ) const
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{
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return d_map.contains( role );
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}
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/*!
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Set an attribute value
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\param role Attribute role
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\param data Attribute value
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\sa value()
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*/
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void QwtLegendData::setValue( int role, const QVariant &data )
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{
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d_map[role] = data;
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}
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/*!
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\param role Attribute role
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\return Attribute value for a specific role
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*/
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QVariant QwtLegendData::value( int role ) const
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{
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if ( !d_map.contains( role ) )
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return QVariant();
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return d_map[role];
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}
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//! \return True, when the internal map is empty
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bool QwtLegendData::isValid() const
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{
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return !d_map.isEmpty();
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}
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//! \return Value of the TitleRole attribute
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QwtText QwtLegendData::title() const
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{
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QwtText text;
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const QVariant titleValue = value( QwtLegendData::TitleRole );
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if ( titleValue.canConvert<QwtText>() )
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{
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text = qvariant_cast<QwtText>( titleValue );
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}
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else if ( titleValue.canConvert<QString>() )
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{
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text.setText( qvariant_cast<QString>( titleValue ) );
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}
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return text;
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}
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//! \return Value of the IconRole attribute
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QwtGraphic QwtLegendData::icon() const
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{
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const QVariant iconValue = value( QwtLegendData::IconRole );
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QwtGraphic graphic;
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if ( iconValue.canConvert<QwtGraphic>() )
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{
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graphic = qvariant_cast<QwtGraphic>( iconValue );
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}
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return graphic;
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}
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//! \return Value of the ModeRole attribute
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QwtLegendData::Mode QwtLegendData::mode() const
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{
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const QVariant modeValue = value( QwtLegendData::ModeRole );
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if ( modeValue.canConvert<int>() )
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{
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const int mode = qvariant_cast<int>( modeValue );
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return static_cast<QwtLegendData::Mode>( mode );
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}
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return QwtLegendData::ReadOnly;
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}
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