void QgsServerProjectParser::addValueRelationLayersForLayer( const QgsVectorLayer *vl ) const
{
if ( !vl )
return;
for ( int idx = 0; idx < vl->pendingFields().size(); idx++ )
{
if ( vl->editFormConfig()->widgetType( idx ) != "ValueRelation" )
continue;
QgsEditorWidgetConfig cfg( vl->editFormConfig()->widgetConfig( idx ) );
if ( !cfg.contains( "Layer" ) )
continue;
QString layerId = cfg.value( "Layer" ).toString();
if ( QgsMapLayerRegistry::instance()->mapLayer( layerId ) )
continue;
QgsMapLayer *layer = mapLayerFromLayerId( layerId );
if ( !layer )
continue;
QgsMapLayerRegistry::instance()->addMapLayer( layer, false, false );
}
}
void QgsServerProjectParser::addValueRelationLayersForElement( const QDomElement& layerElem, bool useCache ) const
{
QDomElement editTypesElem = layerElem.firstChildElement( "edittypes" );
if ( editTypesElem.isNull() )
{
return;
}
QDomNodeList editTypeNodeList = editTypesElem.elementsByTagName( "edittype" );
for ( int i = 0; i < editTypeNodeList.size(); ++i )
{
QDomElement editTypeElem = editTypeNodeList.at( i ).toElement();
int type = editTypeElem.attribute( "type" ).toInt();
if ( type == QgsVectorLayer::ValueRelation )
{
QString layerId = editTypeElem.attribute( "layer" );
/*QString keyAttribute = editTypeEleml.attribute( "id" ); //relation attribute in other layer
QString valueAttribute = editTypeElem.attribute( "value" ); //value attribute in other layer
QString relationAttribute = editTypeElem.attribute( "name" );*/
QgsMapLayer* layer = mapLayerFromLayerId( layerId, useCache );
if ( layer )
{
QgsMapLayerRegistry::instance()->addMapLayer( layer, false, false );
}
}
}
}
void QgsServerProjectParser::addJoinLayersForElement( const QDomElement& layerElem ) const
{
QDomElement vectorJoinsElem = layerElem.firstChildElement( "vectorjoins" );
if ( vectorJoinsElem.isNull() )
{
return;
}
QDomNodeList joinNodeList = vectorJoinsElem.elementsByTagName( "join" );
for ( int i = 0; i < joinNodeList.size(); ++i )
{
QString id = joinNodeList.at( i ).toElement().attribute( "joinLayerId" );
QgsMapLayer* layer = mapLayerFromLayerId( id );
if ( layer )
{
QgsMapLayerRegistry::instance()->addMapLayer( layer, false, false );
}
}
}
