Example #1
0
void QgsLayerTreeMapCanvasBridge::setHasCustomLayerOrder( bool state )
{
  if ( mHasCustomLayerOrder == state )
    return;

  mHasCustomLayerOrder = state;
  emit hasCustomLayerOrderChanged( mHasCustomLayerOrder );

  deferredSetCanvasLayers();
}
Example #2
0
void QgsLayerTreeMapCanvasBridge::setCustomLayerOrder( const QStringList& order )
{
  if ( mCustomLayerOrder == order )
    return;

  // verify that the new order is correct
  QStringList defOrder( defaultLayerOrder() );
  QStringList newOrder( order );
  QStringList sortedNewOrder( order );
  qSort( defOrder );
  qSort( sortedNewOrder );

  if ( defOrder.size() < sortedNewOrder.size() )
  {
    // might contain bad layers, but also duplicates
    QSet<QString> ids( defOrder.toSet() );

    for ( int i = 0; i < sortedNewOrder.size(); i++ )
    {
      if ( !ids.contains( sortedNewOrder[i] ) )
      {
        newOrder.removeAll( sortedNewOrder[i] );
        sortedNewOrder.removeAt( i-- );
      }
    }
  }

  if ( defOrder != sortedNewOrder )
    return; // must be permutation of the default order

  mCustomLayerOrder = newOrder;
  emit customLayerOrderChanged( mCustomLayerOrder );

  if ( mHasCustomLayerOrder )
    deferredSetCanvasLayers();
}
Example #3
0
void QgsLayerTreeMapCanvasBridge::nodeCustomPropertyChanged( QgsLayerTreeNode *node, const QString &key )
{
  Q_UNUSED( node );
  if ( key == QLatin1String( "overview" ) )
    deferredSetCanvasLayers();
}
Example #4
0
void QgsLayerTreeMapCanvasBridge::nodeVisibilityChanged()
{
  deferredSetCanvasLayers();
}