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qgsowsserver.cpp
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qgsowsserver.cpp
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/***************************************************************************
qgsowsserver.cpp
-------------------
begin : February 27, 2012
copyright : (C) 2012 by René-Luc D'Hont & Marco Hugentobler
email : rldhont at 3liz dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsowsserver.h"
#include "qgsmaplayerregistry.h"
#include "qgsmessagelog.h"
#include "qgsvectorlayer.h"
#include "qgsvectordataprovider.h"
#ifdef HAVE_SERVER_PYTHON_PLUGINS
/** Apply filter from AccessControl */
void QgsOWSServer::applyAccessControlLayerFilters( QgsMapLayer* mapLayer, QHash<QgsMapLayer*, QString>& originalLayerFilters ) const
{
if ( QgsVectorLayer* layer = qobject_cast<QgsVectorLayer*>( mapLayer ) )
{
QString sql = mAccessControl->extraSubsetString( layer );
if ( !sql.isEmpty() )
{
if ( !originalLayerFilters.contains( layer ) )
{
originalLayerFilters.insert( layer, layer->subsetString() );
}
if ( !layer->subsetString().isEmpty() )
{
sql.prepend( " AND " );
sql.prepend( layer->subsetString() );
}
if ( !layer->setSubsetString( sql ) )
{
QgsMessageLog::logMessage( "Layer does not support Subset String" );
}
}
}
}
#endif
/** Restore layer filter as original */
void QgsOWSServer::restoreLayerFilters( const QHash<QgsMapLayer*, QString>& filterMap )
{
QHash<QgsMapLayer*, QString>::const_iterator filterIt = filterMap.constBegin();
for ( ; filterIt != filterMap.constEnd(); ++filterIt )
{
QgsVectorLayer* filteredLayer = qobject_cast<QgsVectorLayer*>( filterIt.key() );
if ( filteredLayer )
{
QgsVectorDataProvider* dp = filteredLayer->dataProvider();
if ( dp )
{
dp->setSubsetString( filterIt.value() );
}
}
}
}