| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 IBM Corporation and others. |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // which accompanies this distribution, and is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // Contributors: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.diagram.wpdd.providers; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.emf.type.core.ElementTypeRegistry; |
| import org.eclipse.gmf.runtime.emf.type.core.IElementType; |
| import org.eclipse.gmf.runtime.emf.ui.services.modelingassistant.ModelingAssistantProvider; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.dialogs.ElementListSelectionDialog; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.epf.diagram.wpdd.edit.parts.WorkProductDependencyDiagramEditPart; |
| |
| import org.eclipse.epf.diagram.wpdd.part.WPDDiagramEditorPlugin; |
| |
| /** |
| * @generated |
| */ |
| public class DiagramModelingAssistantProvider extends ModelingAssistantProvider { |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForPopupBar(IAdaptable host) { |
| IGraphicalEditPart editPart = (IGraphicalEditPart) host |
| .getAdapter(IGraphicalEditPart.class); |
| if (editPart instanceof WorkProductDependencyDiagramEditPart) { |
| List types = new ArrayList(); |
| types.add(DiagramElementTypes.WorkProductNode_1001); |
| return types; |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnSource(IAdaptable source) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnTarget(IAdaptable target) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnSourceAndTarget(IAdaptable source, |
| IAdaptable target) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForSource(IAdaptable target, |
| IElementType relationshipType) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForTarget(IAdaptable source, |
| IElementType relationshipType) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public EObject selectExistingElementForSource(IAdaptable target, |
| IElementType relationshipType) { |
| return selectExistingElement(target, getTypesForSource(target, |
| relationshipType)); |
| } |
| |
| /** |
| * @generated |
| */ |
| public EObject selectExistingElementForTarget(IAdaptable source, |
| IElementType relationshipType) { |
| return selectExistingElement(source, getTypesForTarget(source, |
| relationshipType)); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected EObject selectExistingElement(IAdaptable host, Collection types) { |
| if (types.isEmpty()) { |
| return null; |
| } |
| IGraphicalEditPart editPart = (IGraphicalEditPart) host |
| .getAdapter(IGraphicalEditPart.class); |
| if (editPart == null) { |
| return null; |
| } |
| Diagram diagram = (Diagram) editPart.getRoot().getContents().getModel(); |
| Collection elements = new HashSet(); |
| for (Iterator it = diagram.getElement().eAllContents(); it.hasNext();) { |
| EObject element = (EObject) it.next(); |
| if (isApplicableElement(element, types)) { |
| elements.add(element); |
| } |
| } |
| if (elements.isEmpty()) { |
| return null; |
| } |
| return selectElement((EObject[]) elements.toArray(new EObject[elements |
| .size()])); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected boolean isApplicableElement(EObject element, Collection types) { |
| IElementType type = ElementTypeRegistry.getInstance().getElementType( |
| element); |
| return types.contains(type); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected EObject selectElement(EObject[] elements) { |
| Shell shell = Display.getCurrent().getActiveShell(); |
| ILabelProvider labelProvider = new AdapterFactoryLabelProvider( |
| WPDDiagramEditorPlugin.getInstance() |
| .getItemProvidersAdapterFactory()); |
| ElementListSelectionDialog dialog = new ElementListSelectionDialog( |
| shell, labelProvider); |
| dialog.setMessage("Available domain model elements:"); |
| dialog.setTitle("Select domain model element"); |
| dialog.setMultipleSelection(false); |
| dialog.setElements(elements); |
| EObject selected = null; |
| if (dialog.open() == Window.OK) { |
| selected = (EObject) dialog.getFirstResult(); |
| } |
| return selected; |
| } |
| } |