Examples with CanvasClearSelectionEvent org.kie.workbench.common.stunner.core.client.canvas.event.selection.CanvasClearSelectionEvent used on opensource projects

Example 6 with CanvasClearSelectionEvent

use of org.kie.workbench.common.stunner.core.client.canvas.event.selection.CanvasClearSelectionEvent in project kie-wb-common by kiegroup.

the class DeleteSelectionSessionCommand method execute.

@Override
@SuppressWarnings("unchecked")
public <V> void execute(final Callback<V> callback) {
    checkNotNull("callback", callback);
    if (null != getSession().getSelectionControl()) {
        final AbstractCanvasHandler canvasHandler = (AbstractCanvasHandler) getSession().getCanvasHandler();
        final SelectionControl<AbstractCanvasHandler, Element> selectionControl = getSession().getSelectionControl();
        final Collection<String> selectedItems = selectionControl.getSelectedItems();
        if (selectedItems != null && !selectedItems.isEmpty()) {
            // Execute the commands.
            final CommandResult<CanvasViolation> result = sessionCommandManager.execute(canvasHandler, canvasCommandFactory.delete(selectedItems.stream().map(uuid -> canvasHandler.getGraphIndex().get(uuid)).collect(Collectors.toList())));
            // Check the results.
            if (!CommandUtils.isError(result)) {
                callback.onSuccess();
            } else {
                callback.onError((V) new ClientRuntimeError("Error deleing elements [message=" + result.toString() + "]"));
            }
        } else {
            callback.onError((V) new ClientRuntimeError("Cannot delete element, no element selected on canvas"));
        }
        selectionControl.clearSelection();
        clearSelectionEvent.fire(new CanvasClearSelectionEvent(getCanvasHandler()));
    }
}