void QgsMapSettings::readXml( QDomNode &node )
{
// set destination CRS
QgsCoordinateReferenceSystem srs;
QDomNode srsNode = node.namedItem( QStringLiteral( "destinationsrs" ) );
if ( !srsNode.isNull() )
{
srs.readXml( srsNode );
}
setDestinationCrs( srs );
// set extent
QDomNode extentNode = node.namedItem( QStringLiteral( "extent" ) );
QgsRectangle aoi = QgsXmlUtils::readRectangle( extentNode.toElement() );
setExtent( aoi );
// set rotation
QDomNode rotationNode = node.namedItem( QStringLiteral( "rotation" ) );
QString rotationVal = rotationNode.toElement().text();
if ( ! rotationVal.isEmpty() )
{
double rot = rotationVal.toDouble();
setRotation( rot );
}
//render map tile
QDomElement renderMapTileElem = node.firstChildElement( QStringLiteral( "rendermaptile" ) );
if ( !renderMapTileElem.isNull() )
{
setFlag( QgsMapSettings::RenderMapTile, renderMapTileElem.text() == QLatin1String( "1" ) );
}
}
QVariant QgsXmlUtils::readVariant( const QDomElement &element )
{
QString type = element.attribute( QStringLiteral( "type" ) );
if ( type == QLatin1String( "invalid" ) )
{
return QVariant();
}
else if ( type == QLatin1String( "int" ) )
{
return element.attribute( QStringLiteral( "value" ) ).toInt();
}
else if ( type == QLatin1String( "uint" ) )
{
return element.attribute( QStringLiteral( "value" ) ).toUInt();
}
else if ( type == QLatin1String( "qlonglong" ) )
{
return element.attribute( QStringLiteral( "value" ) ).toLongLong();
}
else if ( type == QLatin1String( "qulonglong" ) )
{
return element.attribute( QStringLiteral( "value" ) ).toULongLong();
}
else if ( type == QLatin1String( "double" ) )
{
return element.attribute( QStringLiteral( "value" ) ).toDouble();
}
else if ( type == QLatin1String( "QString" ) )
{
return element.attribute( QStringLiteral( "value" ) );
}
else if ( type == QLatin1String( "bool" ) )
{
return element.attribute( QStringLiteral( "value" ) ) == QLatin1String( "true" );
}
else if ( type == QLatin1String( "Map" ) )
{
QVariantMap map;
QDomNodeList options = element.childNodes();
for ( int i = 0; i < options.count(); ++i )
{
QDomElement elem = options.at( i ).toElement();
if ( elem.tagName() == QLatin1String( "Option" ) )
map.insert( elem.attribute( QStringLiteral( "name" ) ), readVariant( elem ) );
}
return map;
}
else if ( type == QLatin1String( "List" ) )
{
QVariantList list;
QDomNodeList values = element.childNodes();
for ( int i = 0; i < values.count(); ++i )
{
QDomElement elem = values.at( i ).toElement();
list.append( readVariant( elem ) );
}
return list;
}
else if ( type == QLatin1String( "StringList" ) )
{
QStringList list;
QDomNodeList values = element.childNodes();
for ( int i = 0; i < values.count(); ++i )
{
QDomElement elem = values.at( i ).toElement();
list.append( readVariant( elem ).toString() );
}
return list;
}
else if ( type == QLatin1String( "QgsProperty" ) )
{
const QDomNodeList values = element.childNodes();
if ( values.isEmpty() )
return QVariant();
QgsProperty p;
if ( p.loadVariant( QgsXmlUtils::readVariant( values.at( 0 ).toElement() ) ) )
return p;
return QVariant();
}
else if ( type == QLatin1String( "QgsCoordinateReferenceSystem" ) )
{
QgsCoordinateReferenceSystem crs;
crs.readXml( element );
return crs;
}
else if ( type == QLatin1String( "QgsGeometry" ) )
{
return QgsGeometry::fromWkt( element.attribute( "value" ) );
}
else
{
return QVariant();
}
}
