QgsLayerTreeLayer* QgsLayerTreeLayer::readXML( QDomElement& element )
{
if ( element.tagName() != "layer-tree-layer" )
return 0;
QString layerID = element.attribute( "id" );
QString layerName = element.attribute( "name" );
Qt::CheckState checked = QgsLayerTreeUtils::checkStateFromXml( element.attribute( "checked" ) );
bool isExpanded = ( element.attribute( "expanded", "1" ) == "1" );
QgsLayerTreeLayer* nodeLayer = 0;
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( layerID );
if ( layer )
nodeLayer = new QgsLayerTreeLayer( layer );
else
nodeLayer = new QgsLayerTreeLayer( layerID, layerName );
nodeLayer->readCommonXML( element );
nodeLayer->setVisible( checked );
nodeLayer->setExpanded( isExpanded );
return nodeLayer;
}
static void _readOldLegendLayer( const QDomElement &layerElem, QgsLayerTreeGroup *parent )
{
QDomElement layerFileElem = layerElem.firstChildElement( QStringLiteral( "filegroup" ) ).firstChildElement( QStringLiteral( "legendlayerfile" ) );
QString layerId = layerFileElem.attribute( QStringLiteral( "layerid" ) );
QgsLayerTreeLayer *layerNode = new QgsLayerTreeLayer( layerId, layerElem.attribute( QStringLiteral( "name" ) ) );
layerNode->setItemVisibilityChecked( QgsLayerTreeUtils::checkStateFromXml( layerElem.attribute( QStringLiteral( "checked" ) ) ) != Qt::Unchecked );
layerNode->setExpanded( layerElem.attribute( QStringLiteral( "open" ) ) == QLatin1String( "true" ) );
if ( layerFileElem.attribute( QStringLiteral( "isInOverview" ) ) == QLatin1String( "1" ) )
layerNode->setCustomProperty( QStringLiteral( "overview" ), 1 );
if ( layerElem.attribute( QStringLiteral( "embedded" ) ) == QLatin1String( "1" ) )
layerNode->setCustomProperty( QStringLiteral( "embedded" ), 1 );
if ( layerElem.attribute( QStringLiteral( "showFeatureCount" ) ) == QLatin1String( "1" ) )
layerNode->setCustomProperty( QStringLiteral( "showFeatureCount" ), 1 );
// drawing order is handled by readOldLegendLayerOrder()
parent->addChildNode( layerNode );
}
