void QgsSymbolSelectorWidget::changeLayer( QgsSymbolLayer *newLayer )
{
SymbolLayerItem *item = currentLayerItem();
QgsSymbolLayer *layer = item->layer();
if ( layer->subSymbol() )
{
item->removeRow( 0 );
}
// update symbol layer item
item->setLayer( newLayer );
// When it is a marker symbol
if ( newLayer->subSymbol() )
{
loadSymbol( newLayer->subSymbol(), item );
layersTree->setExpanded( item->index(), true );
}
// Change the symbol at last to avoid deleting item's layer
QgsSymbol *symbol = static_cast<SymbolLayerItem *>( item->parent() )->symbol();
int layerIdx = item->parent()->rowCount() - item->row() - 1;
symbol->changeSymbolLayer( layerIdx, newLayer );
item->updatePreview();
updatePreview();
// Important: This lets the layer have its own layer properties widget
layerChanged();
}
void QgsSymbolSelectorWidget::updateLockButton()
{
QgsSymbolLayer *layer = currentLayer();
if ( !layer )
return;
btnLock->setChecked( layer->isLocked() );
}
void QgsSymbolSelectorWidget::lockLayer()
{
QgsSymbolLayer *layer = currentLayer();
if ( !layer )
return;
layer->setLocked( btnLock->isChecked() );
emit symbolModified();
}
QgsVectorFieldSymbolLayer* QgsVectorFieldSymbolLayer::clone() const
{
QgsSymbolLayer* clonedLayer = QgsVectorFieldSymbolLayer::create( properties() );
if ( mLineSymbol )
{
clonedLayer->setSubSymbol( mLineSymbol->clone() );
}
return static_cast< QgsVectorFieldSymbolLayer* >( clonedLayer );
}
Qgs25DRenderer::Qgs25DRenderer()
: QgsFeatureRenderer( "25dRenderer" )
{
mSymbol.reset( new QgsFillSymbol() );
mSymbol->deleteSymbolLayer( 0 ); // We never asked for the default layer
QgsSymbolLayer* floor = QgsSimpleFillSymbolLayer::create();
QgsStringMap wallProperties;
wallProperties.insert( "geometryModifier", WALL_EXPRESSION );
wallProperties.insert( "symbolType", "Fill" );
QgsSymbolLayer* walls = QgsGeometryGeneratorSymbolLayer::create( wallProperties );
QgsStringMap roofProperties;
roofProperties.insert( "geometryModifier", ROOF_EXPRESSION );
roofProperties.insert( "symbolType", "Fill" );
QgsSymbolLayer* roof = QgsGeometryGeneratorSymbolLayer::create( roofProperties );
floor->setLocked( true );
mSymbol->appendSymbolLayer( floor );
mSymbol->appendSymbolLayer( walls );
mSymbol->appendSymbolLayer( roof );
QgsEffectStack* effectStack = new QgsEffectStack();
QgsOuterGlowEffect* glowEffect = new QgsOuterGlowEffect();
glowEffect->setBlurLevel( 5 );
glowEffect->setSpreadUnit( QgsUnitTypes::RenderMapUnits );
effectStack->appendEffect( glowEffect );
floor->setPaintEffect( effectStack );
// These methods must only be used after the above initialization!
setRoofColor( QColor( "#b1a97c" ) );
setWallColor( QColor( "#777777" ) );
wallLayer()->setDataDefinedProperty( "color", new QgsDataDefined( QString( WALL_SHADING_EXPRESSION ) ) );
setShadowSpread( 4 );
setShadowColor( QColor( "#111111" ) );
QgsFeatureRequest::OrderBy orderBy;
orderBy << QgsFeatureRequest::OrderByClause(
ORDER_BY_EXPRESSION,
false );
setOrderBy( orderBy );
setOrderByEnabled( true );
}
void QgsSymbolSelectorWidget::duplicateLayer()
{
QModelIndex idx = layersTree->currentIndex();
if ( !idx.isValid() )
return;
SymbolLayerItem *item = static_cast<SymbolLayerItem *>( model->itemFromIndex( idx ) );
if ( !item->isLayer() )
return;
QgsSymbolLayer *source = item->layer();
int insertIdx = item->row();
item = static_cast<SymbolLayerItem *>( item->parent() );
QgsSymbol *parentSymbol = item->symbol();
QgsSymbolLayer *newLayer = source->clone();
if ( insertIdx == -1 )
parentSymbol->appendSymbolLayer( newLayer );
else
parentSymbol->insertSymbolLayer( item->rowCount() - insertIdx, newLayer );
SymbolLayerItem *newLayerItem = new SymbolLayerItem( newLayer );
item->insertRow( insertIdx == -1 ? 0 : insertIdx, newLayerItem );
if ( newLayer->subSymbol() )
{
loadSymbol( newLayer->subSymbol(), newLayerItem );
layersTree->setExpanded( newLayerItem->index(), true );
}
item->updatePreview();
layersTree->setCurrentIndex( model->indexFromItem( newLayerItem ) );
updateUi();
updatePreview();
}
