private void fillLocalToolBar(IToolBarManager manager) {
}
private void makeActions() {
toolbarZoomContributionViewItem = new ZoomContributionViewItem(this);
directedLayout = createLayoutMenuAction("Directed", new DirectedDiagramViewLayoutAlgorithm(SWT.VERTICAL | LayoutStyles.NO_LAYOUT_NODE_RESIZING | LayoutStyles.ENFORCE_BOUNDS));
directedLayout.setChecked(true);
// createLayoutMenuAction("Grid", new