void QgsGrassPlugin::onEditingStarted()
{
QgsDebugMsg( "Entered" );
QgsVectorLayer *vectorLayer = qobject_cast<QgsVectorLayer *>( sender() );
if ( !vectorLayer )
return;
QgsDebugMsg( "started editing of layer " + vectorLayer->name() );
// Set editing renderer
QgsGrassProvider* grassProvider = dynamic_cast<QgsGrassProvider*>( vectorLayer->dataProvider() );
if ( !grassProvider )
return;
QgsRendererV2Registry::instance()->addRenderer( new QgsRendererV2Metadata( "grassEdit",
QObject::tr( "GRASS Edit" ),
QgsGrassEditRenderer::create,
QIcon(),
QgsGrassEditRendererWidget::create ) );
QgsGrassEditRenderer *renderer = new QgsGrassEditRenderer();
mOldStyles[vectorLayer] = vectorLayer->styleManager()->currentStyle();
// Because the edit style may be stored to project:
// - do not translate because it may be loaded in QGIS running with different language
// - do not change the name until really necessary because it could not be found in project
QString editStyleName = "GRASS Edit"; // should not be translated
if ( vectorLayer->styleManager()->styles().contains( editStyleName ) )
{
QgsDebugMsg( editStyleName + " style exists -> set as current" );
vectorLayer->styleManager()->setCurrentStyle( editStyleName );
}
else
{
QgsDebugMsg( "create and set style " + editStyleName );
vectorLayer->styleManager()->addStyleFromLayer( editStyleName );
//vectorLayer->styleManager()->addStyle( editStyleName, QgsMapLayerStyle() );
vectorLayer->styleManager()->setCurrentStyle( editStyleName );
vectorLayer->setRendererV2( renderer );
}
grassProvider->startEditing( vectorLayer );
vectorLayer->updateFields();
connect( vectorLayer, SIGNAL( editingStopped() ), SLOT( onEditingStopped() ) );
resetEditActions();
}
void QgsGrassPlugin::onEditingStopped()
{
QgsDebugMsg( "entered" );
QgsVectorLayer *vectorLayer = qobject_cast<QgsVectorLayer *>( sender() );
if ( vectorLayer )
{
QString style = mOldStyles.value( vectorLayer );
if ( vectorLayer->styleManager()->currentStyle() == "GRASS Edit" ) // not changed by user
{
QgsDebugMsg( "reset style to " + style );
vectorLayer->styleManager()->setCurrentStyle( style );
}
}
resetEditActions();
}