static void _readOldLegendGroup( const QDomElement &groupElem, QgsLayerTreeGroup *parent )
{
QDomNodeList groupChildren = groupElem.childNodes();
QgsLayerTreeGroup *groupNode = new QgsLayerTreeGroup( groupElem.attribute( QStringLiteral( "name" ) ) );
groupNode->setItemVisibilityChecked( QgsLayerTreeUtils::checkStateFromXml( groupElem.attribute( QStringLiteral( "checked" ) ) ) != Qt::Unchecked );
groupNode->setExpanded( groupElem.attribute( QStringLiteral( "open" ) ) == QLatin1String( "true" ) );
if ( groupElem.attribute( QStringLiteral( "embedded" ) ) == QLatin1String( "1" ) )
{
groupNode->setCustomProperty( QStringLiteral( "embedded" ), 1 );
groupNode->setCustomProperty( QStringLiteral( "embedded_project" ), groupElem.attribute( QStringLiteral( "project" ) ) );
}
for ( int i = 0; i < groupChildren.size(); ++i )
{
QDomElement currentChildElem = groupChildren.at( i ).toElement();
if ( currentChildElem.tagName() == QLatin1String( "legendlayer" ) )
{
_readOldLegendLayer( currentChildElem, groupNode );
}
else if ( currentChildElem.tagName() == QLatin1String( "legendgroup" ) )
{
_readOldLegendGroup( currentChildElem, groupNode );
}
}
parent->addChildNode( groupNode );
}
static void _readOldLegendGroup( QDomElement& elem, QgsLayerTreeGroup* parentGroup, QgsProject* project )
{
QDomElement itemElem = elem.firstChildElement();
while ( !itemElem.isNull() )
{
if ( itemElem.tagName() == QLatin1String( "LayerItem" ) )
{
QString layerId = itemElem.attribute( QStringLiteral( "layerId" ) );
if ( QgsMapLayer* layer = project->mapLayer( layerId ) )
{
QgsLayerTreeLayer* nodeLayer = parentGroup->addLayer( layer );
QString userText = itemElem.attribute( QStringLiteral( "userText" ) );
if ( !userText.isEmpty() )
nodeLayer->setCustomProperty( QStringLiteral( "legend/title-label" ), userText );
QString style = itemElem.attribute( QStringLiteral( "style" ) );
if ( !style.isEmpty() )
nodeLayer->setCustomProperty( QStringLiteral( "legend/title-style" ), style );
QString showFeatureCount = itemElem.attribute( QStringLiteral( "showFeatureCount" ) );
if ( showFeatureCount.toInt() )
nodeLayer->setCustomProperty( QStringLiteral( "showFeatureCount" ), 1 );
// support for individual legend items (user text, order) not implemented yet
}
}
else if ( itemElem.tagName() == QLatin1String( "GroupItem" ) )
{
QgsLayerTreeGroup* nodeGroup = parentGroup->addGroup( itemElem.attribute( QStringLiteral( "userText" ) ) );
QString style = itemElem.attribute( QStringLiteral( "style" ) );
if ( !style.isEmpty() )
nodeGroup->setCustomProperty( QStringLiteral( "legend/title-style" ), style );
_readOldLegendGroup( itemElem, nodeGroup, project );
}
itemElem = itemElem.nextSiblingElement();
}
}