| package org.eclipse.gmf.tooling.examples.compartments.diagram.sheet; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.gmf.runtime.emf.type.core.IElementType; |
| import org.eclipse.gmf.runtime.notation.View; |
| import org.eclipse.gmf.tooling.examples.compartments.diagram.navigator.CompartmentsNavigatorGroup; |
| import org.eclipse.gmf.tooling.examples.compartments.diagram.part.CompartmentsVisualIDRegistry; |
| import org.eclipse.gmf.tooling.examples.compartments.diagram.providers.CompartmentsElementTypes; |
| import org.eclipse.jface.viewers.BaseLabelProvider; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * @generated |
| */ |
| public class CompartmentsSheetLabelProvider extends BaseLabelProvider implements ILabelProvider { |
| |
| /** |
| * @generated |
| */ |
| public String getText(Object element) { |
| element = unwrap(element); |
| if (element instanceof CompartmentsNavigatorGroup) { |
| return ((CompartmentsNavigatorGroup) element).getGroupName(); |
| } |
| IElementType etype = getElementType(getView(element)); |
| return etype == null ? "" : etype.getDisplayName(); |
| } |
| |
| /** |
| * @generated |
| */ |
| public Image getImage(Object element) { |
| IElementType etype = getElementType(getView(unwrap(element))); |
| return etype == null ? null : CompartmentsElementTypes.getImage(etype); |
| } |
| |
| /** |
| * @generated |
| */ |
| private Object unwrap(Object element) { |
| if (element instanceof IStructuredSelection) { |
| return ((IStructuredSelection) element).getFirstElement(); |
| } |
| return element; |
| } |
| |
| /** |
| * @generated |
| */ |
| private View getView(Object element) { |
| if (element instanceof View) { |
| return (View) element; |
| } |
| if (element instanceof IAdaptable) { |
| return (View) ((IAdaptable) element).getAdapter(View.class); |
| } |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| private IElementType getElementType(View view) { |
| // For intermediate views climb up the containment hierarchy to find the one associated with an element type. |
| while (view != null) { |
| int vid = CompartmentsVisualIDRegistry.getVisualID(view); |
| IElementType etype = CompartmentsElementTypes.getElementType(vid); |
| if (etype != null) { |
| return etype; |
| } |
| view = view.eContainer() instanceof View ? (View) view.eContainer() : null; |
| } |
| return null; |
| } |
| |
| } |