void QgsComposerPolygonWidget::on_mPolygonStyleButton_clicked()
{
if ( !mComposerPolygon )
{
return;
}
// use the atlas coverage layer, if any
QgsVectorLayer* coverageLayer = atlasCoverageLayer();
QScopedPointer<QgsFillSymbol> newSymbol;
newSymbol.reset( mComposerPolygon->polygonStyleSymbol()->clone() );
QgsExpressionContext context = mComposerPolygon->createExpressionContext();
QgsSymbolSelectorDialog d( newSymbol.data(), QgsStyle::defaultStyle(),
coverageLayer, this );
QgsSymbolWidgetContext symbolContext;
symbolContext.setExpressionContext( &context );
d.setContext( symbolContext );
if ( d.exec() == QDialog::Accepted )
{
mComposerPolygon->beginCommand( tr( "Polygon style changed" ) );
mComposerPolygon->setPolygonStyleSymbol( newSymbol.data() );
updatePolygonStyle();
mComposerPolygon->endCommand();
}
}
void QgsComposerPolygonWidget::setGuiElementValues()
{
if ( !mComposerPolygon )
{
return;
}
updatePolygonStyle();
}
void QgsComposerPolygonWidget::cleanUpStyleSelector( QgsPanelWidget* container )
{
QgsSymbolSelectorWidget* w = qobject_cast<QgsSymbolSelectorWidget*>( container );
if ( !w )
return;
delete w->symbol();
updatePolygonStyle();
mComposerPolygon->endCommand();
}
QgsComposerPolygonWidget::QgsComposerPolygonWidget( QgsComposerPolygon* composerPolygon ):
QgsComposerItemBaseWidget( nullptr, composerPolygon )
, mComposerPolygon( composerPolygon )
{
setupUi( this );
//add widget for general composer item properties
QgsComposerItemWidget* itemPropertiesWidget = new QgsComposerItemWidget( this, composerPolygon );
//shapes don't use background or frame, since the symbol style is set through a QgsSymbolSelectorDialog
itemPropertiesWidget->showBackgroundGroup( false );
itemPropertiesWidget->showFrameGroup( false );
mainLayout->addWidget( itemPropertiesWidget );
// update style icon
updatePolygonStyle();
if ( mComposerPolygon )
{
connect( mComposerPolygon, SIGNAL( itemChanged() ), this, SLOT( setGuiElementValues() ) );
}
}
