Examples with DiagramNodePart org.eclipse.sapphire.ui.diagram.editor.DiagramNodePart used on opensource projects

Example 11 with DiagramNodePart

use of org.eclipse.sapphire.ui.diagram.editor.DiagramNodePart in project liferay-ide by liferay.

the class ShowDiagramPartActionHandler method run.

@Override
protected Object run(Presentation context) {
    SapphireDiagramEditorPagePart diagramPart = context.part().nearest(SapphireDiagramEditorPagePart.class);
    if (diagramPart != null) {
        LabelProvider labelProvider = new LabelProvider() {

            @Override
            public Image getImage(Object element) {
                if (element instanceof DiagramNodePart) {
                    DiagramNodePart diagramNodePart = (DiagramNodePart) element;
                    Element modelElement = diagramNodePart.getLocalModelElement();
                    return diagramPart.getSwtResourceCache().image(modelElement.type().image());
                } else if (element instanceof DiagramConnectionPart) {
                    return diagramPart.getSwtResourceCache().image(Transition.TYPE.image());
                } else {
                    return diagramPart.getSwtResourceCache().image(WorkflowNode.TYPE.image());
                }
            }

            @Override
            public String getText(Object element) {
                if (element instanceof DiagramNodePart) {
                    return ((DiagramNodePart) element).getId();
                } else if (element instanceof DiagramConnectionPart) {
                    return ((DiagramConnectionPart) element).getLabel();
                } else {
                    if (element != null) {
                        return element.toString();
                    }
                    return "";
                }
            }
        };
        ElementListSelectionDialog dialog = new ElementListSelectionDialog(((SwtPresentation) context).shell(), labelProvider);
        List<SapphirePart> parts = new ArrayList<>();
        parts.addAll(diagramPart.getNodes());
        parts.addAll(diagramPart.getConnections());
        dialog.setElements(parts.toArray());
        dialog.setMultipleSelection(false);
        dialog.setHelpAvailable(false);
        dialog.setTitle("Find Part");
        dialog.setMessage("Select part:");
        dialog.open();
        Object[] result = dialog.getResult();
        if ((result != null) && (result.length == 1)) {
            // select node in diagram
            ISapphirePart part = (ISapphirePart) result[0];
            if (part instanceof DiagramConnectionPart || part instanceof DiagramNodePart) {
                /*
					 * diagramPart.setSelections( ReadOnlyListFactory.create(
					 * part ) );
					 */
                SapphireDiagramEditor diagramEditor = diagramPart.adapt(SapphireDiagramEditor.class);
                GraphicalViewer viewer = diagramEditor.getGraphicalViewer();
                GraphicalEditPart editpart = diagramEditor.getGraphicalEditPart(part);
                if (editpart != null) {
                    // Force a layout first.
                    viewer.flush();
                    viewer.select(editpart);
                    viewer.reveal(editpart);
                }
            }
        }
    }
    return null;
}