void QgsLegendModel::updateLayer( QStandardItem* layerItem )
{
QgsDebugMsg( "Entered." );
QgsComposerLayerItem* lItem = dynamic_cast<QgsComposerLayerItem*>( layerItem );
if ( lItem )
{
QgsMapLayer* mapLayer = QgsMapLayerRegistry::instance()->mapLayer( lItem->layerID() );
if ( mapLayer )
{
//delete all the entries under layer item
int currentRowCount = lItem->rowCount();
for ( int i = currentRowCount - 1; i >= 0; --i )
{
lItem->removeRow( i );
}
QgsVectorLayer* vLayer = qobject_cast<QgsVectorLayer*>( mapLayer );
//set layer name as item text
QString label = mapLayer->name();
if ( vLayer && lItem->showFeatureCount() )
{
label += QString( " [%1]" ).arg( vLayer->featureCount() );
}
layerItem->setText( label );
if ( vLayer )
{
if ( vLayer->isUsingRendererV2() )
{
addVectorLayerItemsV2( lItem, vLayer );
}
else
{
addVectorLayerItems( lItem, vLayer );
}
}
QgsRasterLayer* rLayer = qobject_cast<QgsRasterLayer*>( mapLayer );
if ( rLayer )
{
addRasterLayerItems( lItem, rLayer );
}
}
}
}
void QgsLegendModel::addLayer( QgsMapLayer* theMapLayer )
{
if ( !theMapLayer )
{
return;
}
QgsComposerLayerItem* layerItem = new QgsComposerLayerItem( theMapLayer->name() );
layerItem->setLayerID( theMapLayer->id() );
layerItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
invisibleRootItem()->setChild( invisibleRootItem()->rowCount(), layerItem );
switch ( theMapLayer->type() )
{
case QgsMapLayer::VectorLayer:
{
QgsVectorLayer* vl = dynamic_cast<QgsVectorLayer*>( theMapLayer );
if ( vl )
{
if ( vl->isUsingRendererV2() )
{
addVectorLayerItemsV2( layerItem, vl );
}
else
{
addVectorLayerItems( layerItem, vl );
}
}
break;
}
case QgsMapLayer::RasterLayer:
addRasterLayerItems( layerItem, theMapLayer );
break;
default:
break;
}
emit layersChanged();
}
void QgsLegendLayer::refreshSymbology( const QString& key, double widthScale )
{
QgsMapLayer* theMapLayer = QgsMapLayerRegistry::instance()->mapLayer( key );
if ( !theMapLayer )
{
return;
}
if ( theMapLayer->type() == QgsMapLayer::VectorLayer ) // VECTOR
{
QgsVectorLayer* vlayer = qobject_cast<QgsVectorLayer *>( theMapLayer );
if ( vlayer->isUsingRendererV2() )
vectorLayerSymbologyV2( vlayer );
else
vectorLayerSymbology( vlayer, widthScale ); // get and change symbology
}
else if ( theMapLayer->type() == QgsMapLayer::RasterLayer ) // RASTER
{
QgsRasterLayer* rlayer = qobject_cast<QgsRasterLayer *>( theMapLayer );
rasterLayerSymbology( rlayer ); // get and change symbology
}
updateIcon();
}