void QgsLayerPropertiesWidget::setMapCanvas( QgsMapCanvas *canvas )
{
mMapCanvas = canvas;
QgsSymbolLayerV2Widget* w = dynamic_cast< QgsSymbolLayerV2Widget* >( stackedWidget->currentWidget() );
if ( w )
w->setMapCanvas( mMapCanvas );
}
void QgsLayerPropertiesWidget::updateSymbolLayerWidget( QgsSymbolLayerV2* layer )
{
if ( stackedWidget->currentWidget() != pageDummy )
{
// stop updating from the original widget
disconnect( stackedWidget->currentWidget(), SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
stackedWidget->removeWidget( stackedWidget->currentWidget() );
}
QgsSymbolLayerV2Registry* pReg = QgsSymbolLayerV2Registry::instance();
QString layerType = layer->layerType();
QgsSymbolLayerV2AbstractMetadata* am = pReg->symbolLayerMetadata( layerType );
if ( am )
{
QgsSymbolLayerV2Widget* w = am->createSymbolLayerWidget( mVectorLayer );
if ( w )
{
w->setSymbolLayer( layer );
stackedWidget->addWidget( w );
stackedWidget->setCurrentWidget( w );
// start recieving updates from widget
connect( w , SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
return;
}
}
// When anything is not right
stackedWidget->setCurrentWidget( pageDummy );
}
void QgsLayerPropertiesWidget::setExpressionContext( QgsExpressionContext *context )
{
mPresetExpressionContext = context;
QgsSymbolLayerV2Widget* w = dynamic_cast< QgsSymbolLayerV2Widget* >( stackedWidget->currentWidget() );
if ( w )
w->setExpressionContext( mPresetExpressionContext );
}
