/*!
\brief Update the entries for an item
\param itemInfo Info for an item
\param data List of legend entry attributes for the item
*/
void QwtLegend::updateLegend( const QVariant &itemInfo,
const QList<QwtLegendData> &data )
{
QList<QWidget *> widgetList = legendWidgets( itemInfo );
if ( widgetList.size() != data.size() )
{
QLayout *contentsLayout = d_data->view->contentsWidget->layout();
while ( widgetList.size() > data.size() )
{
QWidget *w = widgetList.takeLast();
contentsLayout->removeWidget( w );
// updates might be triggered by signals from the legend widget
// itself. So we better don't delete it here.
w->hide();
w->deleteLater();
}
for ( int i = widgetList.size(); i < data.size(); i++ )
{
QWidget *widget = createWidget( data[i] );
if ( contentsLayout )
contentsLayout->addWidget( widget );
if ( isVisible() )
{
// QLayout does a delayed show, with the effect, that
// the size hint will be wrong, when applications
// call replot() right after changing the list
// of plot items. So we better do the show now.
widget->setVisible( true );
}
widgetList += widget;
}
if ( widgetList.isEmpty() )
{
d_data->itemMap.remove( itemInfo );
}
else
{
d_data->itemMap.insert( itemInfo, widgetList );
}
updateTabOrder();
}
for ( int i = 0; i < data.size(); i++ )
updateWidget( widgetList[i], data[i] );
}
/*!
\brief Update the entries for an item
\param itemInfo Info for an item
\param data List of legend entry attributes for the item
*/
void QwtLegend::updateLegend( const QVariant &itemInfo,
const QList<QwtLegendData> &data )
{
QList<QWidget *> widgetList = legendWidgets( itemInfo );
if ( widgetList.size() != data.size() )
{
QLayout *contentsLayout = d_data->view->contentsWidget->layout();
while ( widgetList.size() > data.size() )
{
QWidget *w = widgetList.takeLast();
contentsLayout->removeWidget( w );
// updates might be triggered by signals from the legend widget
// itself. So we better don't delete it here.
w->hide();
w->deleteLater();
}
for ( int i = widgetList.size(); i < data.size(); i++ )
{
QWidget *widget = createWidget( data[i] );
if ( contentsLayout )
contentsLayout->addWidget( widget );
widgetList += widget;
}
if ( widgetList.isEmpty() )
{
d_data->itemMap.remove( itemInfo );
}
else
{
d_data->itemMap.insert( itemInfo, widgetList );
}
updateTabOrder();
}
for ( int i = 0; i < data.size(); i++ )
updateWidget( widgetList[i], data[i] );
}
