void QgsSymbolSelectorWidget::addLayer()
{
QModelIndex idx = layersTree->currentIndex();
if ( !idx.isValid() )
return;
int insertIdx = -1;
SymbolLayerItem *item = static_cast<SymbolLayerItem *>( model->itemFromIndex( idx ) );
if ( item->isLayer() )
{
insertIdx = item->row();
item = static_cast<SymbolLayerItem *>( item->parent() );
}
QgsSymbol *parentSymbol = item->symbol();
// save data-defined values at marker level
QgsProperty ddSize( parentSymbol->type() == QgsSymbol::Marker
? static_cast<QgsMarkerSymbol *>( parentSymbol )->dataDefinedSize()
: QgsProperty() );
QgsProperty ddAngle( parentSymbol->type() == QgsSymbol::Marker
? static_cast<QgsMarkerSymbol *>( parentSymbol )->dataDefinedAngle()
: QgsProperty() );
QgsProperty ddWidth( parentSymbol->type() == QgsSymbol::Line
? static_cast<QgsLineSymbol *>( parentSymbol )->dataDefinedWidth()
: QgsProperty() );
QgsSymbolLayer *newLayer = QgsApplication::symbolLayerRegistry()->defaultSymbolLayer( parentSymbol->type() );
if ( insertIdx == -1 )
parentSymbol->appendSymbolLayer( newLayer );
else
parentSymbol->insertSymbolLayer( item->rowCount() - insertIdx, newLayer );
// restore data-defined values at marker level
if ( ddSize )
static_cast<QgsMarkerSymbol *>( parentSymbol )->setDataDefinedSize( ddSize );
if ( ddAngle )
static_cast<QgsMarkerSymbol *>( parentSymbol )->setDataDefinedAngle( ddAngle );
if ( ddWidth )
static_cast<QgsLineSymbol *>( parentSymbol )->setDataDefinedWidth( ddWidth );
SymbolLayerItem *newLayerItem = new SymbolLayerItem( newLayer );
item->insertRow( insertIdx == -1 ? 0 : insertIdx, newLayerItem );
item->updatePreview();
layersTree->setCurrentIndex( model->indexFromItem( newLayerItem ) );
updateUi();
updatePreview();
}
void QgsSymbolsListWidget::updateSymbolInfo()
{
updateSymbolColor();
const auto overrideButtons {findChildren< QgsPropertyOverrideButton * >()};
for ( QgsPropertyOverrideButton *button : overrideButtons )
{
button->registerExpressionContextGenerator( this );
}
if ( mSymbol->type() == QgsSymbol::Marker )
{
QgsMarkerSymbol *markerSymbol = static_cast<QgsMarkerSymbol *>( mSymbol );
spinSize->setValue( markerSymbol->size() );
spinAngle->setValue( markerSymbol->angle() );
if ( mLayer )
{
QgsProperty ddSize( markerSymbol->dataDefinedSize() );
mSizeDDBtn->init( QgsSymbolLayer::PropertySize, ddSize, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinSize->setEnabled( !mSizeDDBtn->isActive() );
QgsProperty ddAngle( markerSymbol->dataDefinedAngle() );
mRotationDDBtn->init( QgsSymbolLayer::PropertyAngle, ddAngle, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinAngle->setEnabled( !mRotationDDBtn->isActive() );
}
else
{
mSizeDDBtn->setEnabled( false );
mRotationDDBtn->setEnabled( false );
}
}
else if ( mSymbol->type() == QgsSymbol::Line )
{
QgsLineSymbol *lineSymbol = static_cast<QgsLineSymbol *>( mSymbol );
spinWidth->setValue( lineSymbol->width() );
if ( mLayer )
{
QgsProperty dd( lineSymbol->dataDefinedWidth() );
mWidthDDBtn->init( QgsSymbolLayer::PropertyStrokeWidth, dd, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinWidth->setEnabled( !mWidthDDBtn->isActive() );
}
else
{
mWidthDDBtn->setEnabled( false );
}
}
mSymbolUnitWidget->blockSignals( true );
mSymbolUnitWidget->setUnit( mSymbol->outputUnit() );
mSymbolUnitWidget->setMapUnitScale( mSymbol->mapUnitScale() );
mSymbolUnitWidget->blockSignals( false );
mOpacityWidget->setOpacity( mSymbol->opacity() );
// Clean up previous advanced symbol actions
const QList<QAction *> actionList( btnAdvanced->menu()->actions() );
for ( const auto &action : actionList )
{
if ( mClipFeaturesAction->text() == action->text() )
{
btnAdvanced->menu()->removeAction( action );
}
else if ( mStandardizeRingsAction->text() == action->text() )
{
btnAdvanced->menu()->removeAction( action );
}
}
if ( mSymbol->type() == QgsSymbol::Line || mSymbol->type() == QgsSymbol::Fill )
{
//add clip features option for line or fill symbols
btnAdvanced->menu()->addAction( mClipFeaturesAction );
}
if ( mSymbol->type() == QgsSymbol::Fill )
{
btnAdvanced->menu()->addAction( mStandardizeRingsAction );
}
btnAdvanced->setVisible( mAdvancedMenu || !btnAdvanced->menu()->isEmpty() );
whileBlocking( mClipFeaturesAction )->setChecked( mSymbol->clipFeaturesToExtent() );
whileBlocking( mStandardizeRingsAction )->setChecked( mSymbol->forceRHR() );
}