Exemplo n.º 1
0
void QgsSymbolSelectorWidget::moveLayerByOffset( int offset )
{
  SymbolLayerItem *item = currentLayerItem();
  if ( !item )
    return;
  int row = item->row();

  SymbolLayerItem *parent = static_cast<SymbolLayerItem *>( item->parent() );
  QgsSymbol *parentSymbol = parent->symbol();

  int layerIdx = parent->rowCount() - row - 1;
  // switch layers
  QgsSymbolLayer *tmpLayer = parentSymbol->takeSymbolLayer( layerIdx );
  parentSymbol->insertSymbolLayer( layerIdx - offset, tmpLayer );

  QList<QStandardItem *> rowItems = parent->takeRow( row );
  parent->insertRows( row + offset, rowItems );
  parent->updatePreview();

  QModelIndex newIdx = rowItems[ 0 ]->index();
  layersTree->setCurrentIndex( newIdx );

  updatePreview();
  updateUi();
}
Exemplo n.º 2
0
void QgsSymbolSelectorWidget::addLayer()
{
  QModelIndex idx = layersTree->currentIndex();
  if ( !idx.isValid() )
    return;

  int insertIdx = -1;
  SymbolLayerItem *item = static_cast<SymbolLayerItem *>( model->itemFromIndex( idx ) );
  if ( item->isLayer() )
  {
    insertIdx = item->row();
    item = static_cast<SymbolLayerItem *>( item->parent() );
  }

  QgsSymbol *parentSymbol = item->symbol();

  // save data-defined values at marker level
  QgsProperty ddSize( parentSymbol->type() == QgsSymbol::Marker
                      ? static_cast<QgsMarkerSymbol *>( parentSymbol )->dataDefinedSize()
                      : QgsProperty() );
  QgsProperty ddAngle( parentSymbol->type() == QgsSymbol::Marker
                       ? static_cast<QgsMarkerSymbol *>( parentSymbol )->dataDefinedAngle()
                       : QgsProperty() );
  QgsProperty ddWidth( parentSymbol->type() == QgsSymbol::Line
                       ? static_cast<QgsLineSymbol *>( parentSymbol )->dataDefinedWidth()
                       : QgsProperty() );

  QgsSymbolLayer *newLayer = QgsApplication::symbolLayerRegistry()->defaultSymbolLayer( parentSymbol->type() );
  if ( insertIdx == -1 )
    parentSymbol->appendSymbolLayer( newLayer );
  else
    parentSymbol->insertSymbolLayer( item->rowCount() - insertIdx, newLayer );

  // restore data-defined values at marker level
  if ( ddSize )
    static_cast<QgsMarkerSymbol *>( parentSymbol )->setDataDefinedSize( ddSize );
  if ( ddAngle )
    static_cast<QgsMarkerSymbol *>( parentSymbol )->setDataDefinedAngle( ddAngle );
  if ( ddWidth )
    static_cast<QgsLineSymbol *>( parentSymbol )->setDataDefinedWidth( ddWidth );

  SymbolLayerItem *newLayerItem = new SymbolLayerItem( newLayer );
  item->insertRow( insertIdx == -1 ? 0 : insertIdx, newLayerItem );
  item->updatePreview();

  layersTree->setCurrentIndex( model->indexFromItem( newLayerItem ) );
  updateUi();
  updatePreview();
}
Exemplo n.º 3
0
void QgsSymbolSelectorWidget::duplicateLayer()
{
  QModelIndex idx = layersTree->currentIndex();
  if ( !idx.isValid() )
    return;

  SymbolLayerItem *item = static_cast<SymbolLayerItem *>( model->itemFromIndex( idx ) );
  if ( !item->isLayer() )
    return;

  QgsSymbolLayer *source = item->layer();

  int insertIdx = item->row();
  item = static_cast<SymbolLayerItem *>( item->parent() );

  QgsSymbol *parentSymbol = item->symbol();

  QgsSymbolLayer *newLayer = source->clone();
  if ( insertIdx == -1 )
    parentSymbol->appendSymbolLayer( newLayer );
  else
    parentSymbol->insertSymbolLayer( item->rowCount() - insertIdx, newLayer );

  SymbolLayerItem *newLayerItem = new SymbolLayerItem( newLayer );
  item->insertRow( insertIdx == -1 ? 0 : insertIdx, newLayerItem );
  if ( newLayer->subSymbol() )
  {
    loadSymbol( newLayer->subSymbol(), newLayerItem );
    layersTree->setExpanded( newLayerItem->index(), true );
  }
  item->updatePreview();

  layersTree->setCurrentIndex( model->indexFromItem( newLayerItem ) );
  updateUi();
  updatePreview();
}