void QgsMapLayer::setCrs( const QgsCoordinateReferenceSystem& srs, bool emitSignal )
{
*mCRS = srs;
if ( !mCRS->isValid() )
{
mCRS->setValidationHint( tr( "Specify CRS for layer %1" ).arg( name() ) );
mCRS->validate();
}
if ( emitSignal )
emit layerCrsChanged();
}
void QgsIdentifyResultsDialog::addFeature( QgsVectorLayer *vlayer, const QgsFeature &f, const QMap<QString, QString> &derivedAttributes )
{
QTreeWidgetItem *layItem = layerItem( vlayer );
if ( layItem == 0 )
{
layItem = new QTreeWidgetItem( QStringList() << QString::number( lstResults->topLevelItemCount() ) << vlayer->name() );
layItem->setData( 0, Qt::UserRole, QVariant::fromValue( qobject_cast<QObject *>( vlayer ) ) );
lstResults->addTopLevelItem( layItem );
connect( vlayer, SIGNAL( layerDeleted() ), this, SLOT( layerDestroyed() ) );
connect( vlayer, SIGNAL( layerCrsChanged() ), this, SLOT( layerDestroyed() ) );
connect( vlayer, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SLOT( featureDeleted( QgsFeatureId ) ) );
connect( vlayer, SIGNAL( attributeValueChanged( QgsFeatureId, int, const QVariant & ) ),
this, SLOT( attributeValueChanged( QgsFeatureId, int, const QVariant & ) ) );
connect( vlayer, SIGNAL( editingStarted() ), this, SLOT( editingToggled() ) );
connect( vlayer, SIGNAL( editingStopped() ), this, SLOT( editingToggled() ) );
}
void QgsMapLayer::setCrs( const QgsCoordinateReferenceSystem& srs, bool emitSignal )
{
*mCRS = srs;
if ( emitSignal )
emit layerCrsChanged();
}
void QgsMapCanvas::setLayerSet( QList<QgsMapCanvasLayer> &layers )
{
// create layer set
QStringList layerSet, layerSetOverview;
int i;
for ( i = 0; i < layers.size(); i++ )
{
QgsMapCanvasLayer &lyr = layers[i];
if ( !lyr.layer() )
{
continue;
}
if ( lyr.isVisible() )
{
layerSet.push_back( lyr.layer()->id() );
}
if ( lyr.isInOverview() )
{
layerSetOverview.push_back( lyr.layer()->id() );
}
}
const QStringList& layerSetOld = mapSettings().layers();
bool layerSetChanged = layerSetOld != layerSet;
// update only if needed
if ( layerSetChanged )
{
QgsDebugMsg( "Layers changed to: " + layerSet.join( ", " ) );
for ( i = 0; i < layerCount(); i++ )
{
// Add check if vector layer when disconnecting from selectionChanged slot
// Ticket #811 - racicot
QgsMapLayer *currentLayer = layer( i );
if ( !currentLayer )
continue;
disconnect( currentLayer, SIGNAL( repaintRequested() ), this, SLOT( refresh() ) );
disconnect( currentLayer, SIGNAL( layerCrsChanged() ), this, SLOT( layerCrsChange() ) );
QgsVectorLayer *isVectLyr = qobject_cast<QgsVectorLayer *>( currentLayer );
if ( isVectLyr )
{
disconnect( currentLayer, SIGNAL( selectionChanged() ), this, SLOT( selectionChangedSlot() ) );
}
}
mSettings.setLayers( layerSet );
for ( i = 0; i < layerCount(); i++ )
{
// Add check if vector layer when connecting to selectionChanged slot
// Ticket #811 - racicot
QgsMapLayer *currentLayer = layer( i );
connect( currentLayer, SIGNAL( repaintRequested() ), this, SLOT( refresh() ) );
connect( currentLayer, SIGNAL( layerCrsChanged() ), this, SLOT( layerCrsChange() ) );
QgsVectorLayer *isVectLyr = qobject_cast<QgsVectorLayer *>( currentLayer );
if ( isVectLyr )
{
connect( currentLayer, SIGNAL( selectionChanged() ), this, SLOT( selectionChangedSlot() ) );
}
}
updateDatumTransformEntries();
QgsDebugMsg( "Layers have changed, refreshing" );
emit layersChanged();
refresh();
}
if ( mMapOverview )
{
const QStringList& layerSetOvOld = mMapOverview->layerSet();
if ( layerSetOvOld != layerSetOverview )
{
mMapOverview->setLayerSet( layerSetOverview );
}
// refresh overview maplayers even if layer set is the same
// because full extent might have changed
updateOverview();
}
} // setLayerSet
