org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecorator Java Examples

/**
* @generated
*/
private static void refreshDecorators(String viewId, Diagram diagram) {
	final List decorators = viewId != null ? (List) allDecorators.get(viewId) : null;
	if (decorators == null || decorators.isEmpty() || diagram == null) {
		return;
	}
	final Diagram fdiagram = diagram;
	PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {

		public void run() {
			try {
				TransactionUtil.getEditingDomain(fdiagram).runExclusive(new Runnable() {

					public void run() {
						for (Iterator it = decorators.iterator(); it.hasNext();) {
							IDecorator decorator = (IDecorator) it.next();
							decorator.refresh();
						}
					}
				});
			} catch (Exception e) {
				CrossflowDiagramEditorPlugin.getInstance().logError("Decorator refresh failure", e); //$NON-NLS-1$
			}
		}
	});
}
 

public void deactivate() {
	if (viewId == null) {
		return;
	}

	// remove self from global decorators registry
	List<IDecorator> list = allDecorators.get(viewId);
	if (list != null) {
		list.remove(this);
		if (list.isEmpty()) {
			allDecorators.remove(viewId);
		}
	}

	// stop listening to changes in resources if there are no more
	// decorators
	if (fileObserver != null && allDecorators.isEmpty()) {
		FileChangeManager.getInstance().removeFileObserver(fileObserver);
		fileObserver = null;
	}
	super.deactivate();
}
 

@Override
public void createDecorators(IDecoratorTarget decoratorTarget) {
	EditPart editPart = (EditPart) decoratorTarget.getAdapter(EditPart.class);
	if (editPart instanceof GraphicalEditPart || editPart instanceof AbstractConnectionEditPart) {
		EditDomain ed = editPart.getViewer().getEditDomain();
		if (!(ed instanceof DiagramEditDomain)) {
			return;
		}
		if (shouldInstall(((DiagramEditDomain) ed).getEditorPart()) && editPart instanceof TransitionEditPart) {
			IDecorator decorator = createStatusDecorator(decoratorTarget);
			decorators.add(decorator);
			decoratorTarget.installDecorator(getDecoratorKey(), decorator);
		}
	}
}
 

@Override
public void propertyChange(PropertyChangeEvent event) {
	if (StatechartPreferenceConstants.PREF_PRIORITY_LABELS.equals(event.getProperty())
			|| StatechartPreferenceConstants.PREF_FONT_SCALING.equals(event.getProperty())) {
		for (IDecorator decorator : decorators) {
			decorator.refresh();
		}
	}
}
 

@Override
public void createDecorators(IDecoratorTarget decoratorTarget) {
	EditPart editPart = (EditPart) decoratorTarget.getAdapter(EditPart.class);
	if (editPart instanceof GraphicalEditPart || editPart instanceof AbstractConnectionEditPart) {
		EditDomain ed = editPart.getViewer().getEditDomain();
		if (!(ed instanceof DiagramEditDomain)) {
			return;
		}
		if (shouldInstall(((DiagramEditDomain) ed).getEditorPart()) && editPart instanceof RegionEditPart) {
			IDecorator decorator = createStatusDecorator(decoratorTarget);
			decorators.add(decorator);
			decoratorTarget.installDecorator(getDecoratorKey(), decorator);
		}
	}
}
 

protected static void refreshDecorators(String viewId, Diagram diagram) {
	final List<IDecorator> decorators = viewId != null ? (List<IDecorator>) allDecorators.get(viewId) : null;
	if (decorators == null || decorators.isEmpty() || diagram == null) {
		return;
	}
	PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
		public void run() {
			for (Iterator<IDecorator> it = decorators.iterator(); it.hasNext();) {
				IDecorator decorator = it.next();
				decorator.refresh();
			}
		}
	});
}
 

public void activate() {
	if (viewId == null) {
		return;
	}

	// add self to global decorators registry
	List<IDecorator> list = allDecorators.get(viewId);
	if (list == null) {
		list = new ArrayList<IDecorator>(2);
		list.add(this);
		allDecorators.put(viewId, list);
	} else if (!list.contains(this)) {
		list.add(this);
	}

	// start listening to changes in resources
	View view = (View) getDecoratorTarget().getAdapter(View.class);
	if (view == null) {
		return;
	}
	Diagram diagramView = view.getDiagram();
	if (diagramView == null) {
		return;
	}
	if (fileObserver == null) {
		FileChangeManager.getInstance().addFileObserver(fileObserver = new MarkerObserver(diagramView));
	}
}
 

/**
* @generated
*/
private static void refreshDecorators(String viewId, Diagram diagram) {
	final List decorators = viewId != null ? (List) allDecorators.get(viewId) : null;
	if (decorators == null || decorators.isEmpty() || diagram == null) {
		return;
	}
	if (!diagram.eIsProxy()) {
		final Diagram fdiagram = diagram;
		PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {

			public void run() {
				try {

					if (!fdiagram.eIsProxy())
						TransactionUtil.getEditingDomain(fdiagram).runExclusive(new Runnable() {

							public void run() {
								for (Iterator it = decorators.iterator(); it.hasNext();) {
									IDecorator decorator = (IDecorator) it.next();
									decorator.refresh();
								}
							}
						});
				} catch (Exception e) {
					ProcessDiagramEditorPlugin.getInstance().logError("Decorator refresh failure", e); //$NON-NLS-1$
				}
			}
		});
	}
}
 

protected IDecorator createStatusDecorator(IDecoratorTarget decoratorTarget) {
	return new TransitionPriorityDecorator(decoratorTarget);
}
 

protected IDecorator createStatusDecorator(IDecoratorTarget decoratorTarget) {
	return new RegionPriorityDecorator(decoratorTarget);
}
 

protected abstract IDecorator createStatusDecorator(IDecoratorTarget decoratorTarget);