void QgsSymbolSelectorWidget::setContext( const QgsSymbolWidgetContext &context )
{
mContext = context;
if ( mContext.expressionContext() )
{
mPreviewExpressionContext = *mContext.expressionContext();
if ( mVectorLayer )
mPreviewExpressionContext.appendScope( QgsExpressionContextUtils::layerScope( mVectorLayer ) );
mPreviewExpressionContext.setFeature( mPreviewFeature );
}
QWidget *widget = stackedWidget->currentWidget();
QgsLayerPropertiesWidget *layerProp = dynamic_cast< QgsLayerPropertiesWidget * >( widget );
QgsSymbolsListWidget *listWidget = dynamic_cast< QgsSymbolsListWidget * >( widget );
if ( layerProp )
layerProp->setContext( context );
if ( listWidget )
listWidget->setContext( context );
layerChanged();
updatePreview();
}
void QgsSymbolSelectorWidget::setContext( const QgsSymbolWidgetContext& context )
{
mContext = context;
QWidget* widget = stackedWidget->currentWidget();
QgsLayerPropertiesWidget* layerProp = dynamic_cast< QgsLayerPropertiesWidget* >( widget );
QgsSymbolsListWidget* listWidget = dynamic_cast< QgsSymbolsListWidget* >( widget );
if ( layerProp )
layerProp->setContext( context );
if ( listWidget )
listWidget->setContext( context );
layerChanged();
updatePreview();
}
void QgsSymbolSelectorWidget::layerChanged()
{
updateUi();
SymbolLayerItem *currentItem = static_cast<SymbolLayerItem *>( model->itemFromIndex( layersTree->currentIndex() ) );
if ( !currentItem )
return;
if ( currentItem->isLayer() )
{
SymbolLayerItem *parent = static_cast<SymbolLayerItem *>( currentItem->parent() );
mDataDefineRestorer.reset( new DataDefinedRestorer( parent->symbol(), currentItem->layer() ) );
QgsLayerPropertiesWidget *layerProp = new QgsLayerPropertiesWidget( currentItem->layer(), parent->symbol(), mVectorLayer );
layerProp->setDockMode( this->dockMode() );
layerProp->setContext( mContext );
setWidget( layerProp );
connect( layerProp, &QgsLayerPropertiesWidget::changed, mDataDefineRestorer.get(), &DataDefinedRestorer::restore );
connect( layerProp, &QgsLayerPropertiesWidget::changed, this, &QgsSymbolSelectorWidget::updateLayerPreview );
// This connection when layer type is changed
connect( layerProp, &QgsLayerPropertiesWidget::changeLayer, this, &QgsSymbolSelectorWidget::changeLayer );
connectChildPanel( layerProp );
}
else
{
mDataDefineRestorer.reset();
// then it must be a symbol
currentItem->symbol()->setLayer( mVectorLayer );
// Now populate symbols of that type using the symbols list widget:
QgsSymbolsListWidget *symbolsList = new QgsSymbolsListWidget( currentItem->symbol(), mStyle, mAdvancedMenu, this, mVectorLayer );
symbolsList->setContext( mContext );
setWidget( symbolsList );
connect( symbolsList, &QgsSymbolsListWidget::changed, this, &QgsSymbolSelectorWidget::symbolChanged );
}
updateLockButton();
}