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