| /******************************************************************************* |
| * Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany). |
| * 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: |
| * Martin Fluegge - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.providers; |
| |
| import org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.edit.parts.AClassEditPart; |
| import org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.edit.parts.AInterfaceEditPart; |
| import org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.edit.parts.ClassDiagramEditPart; |
| import org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.part.ClassdiagramDiagramEditorPlugin; |
| import org.eclipse.emf.cdo.dawn.reference.editor.classdiagram.diagram.part.Messages; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| |
| 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 java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| /** |
| * @generated |
| */ |
| public class ClassdiagramModelingAssistantProvider extends ModelingAssistantProvider |
| { |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForPopupBar(IAdaptable host) |
| { |
| IGraphicalEditPart editPart = (IGraphicalEditPart)host.getAdapter(IGraphicalEditPart.class); |
| if (editPart instanceof ClassDiagramEditPart) |
| { |
| ArrayList<IElementType> types = new ArrayList<IElementType>(2); |
| types.add(ClassdiagramElementTypes.AInterface_2001); |
| types.add(ClassdiagramElementTypes.AClass_2002); |
| return types; |
| } |
| if (editPart instanceof AInterfaceEditPart) |
| { |
| ArrayList<IElementType> types = new ArrayList<IElementType>(2); |
| types.add(ClassdiagramElementTypes.AnAttribute_3001); |
| types.add(ClassdiagramElementTypes.AnOperation_3002); |
| return types; |
| } |
| if (editPart instanceof AClassEditPart) |
| { |
| ArrayList<IElementType> types = new ArrayList<IElementType>(2); |
| types.add(ClassdiagramElementTypes.AnAttribute_3003); |
| types.add(ClassdiagramElementTypes.AnOperation_3004); |
| return types; |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnSource(IAdaptable source) |
| { |
| IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class); |
| if (sourceEditPart instanceof AClassEditPart) |
| { |
| return ((AClassEditPart)sourceEditPart).getMARelTypesOnSource(); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnTarget(IAdaptable target) |
| { |
| IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class); |
| if (targetEditPart instanceof AInterfaceEditPart) |
| { |
| return ((AInterfaceEditPart)targetEditPart).getMARelTypesOnTarget(); |
| } |
| if (targetEditPart instanceof AClassEditPart) |
| { |
| return ((AClassEditPart)targetEditPart).getMARelTypesOnTarget(); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getRelTypesOnSourceAndTarget(IAdaptable source, IAdaptable target) |
| { |
| IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class); |
| IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class); |
| if (sourceEditPart instanceof AClassEditPart) |
| { |
| return ((AClassEditPart)sourceEditPart).getMARelTypesOnSourceAndTarget(targetEditPart); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForSource(IAdaptable target, IElementType relationshipType) |
| { |
| IGraphicalEditPart targetEditPart = (IGraphicalEditPart)target.getAdapter(IGraphicalEditPart.class); |
| if (targetEditPart instanceof AInterfaceEditPart) |
| { |
| return ((AInterfaceEditPart)targetEditPart).getMATypesForSource(relationshipType); |
| } |
| if (targetEditPart instanceof AClassEditPart) |
| { |
| return ((AClassEditPart)targetEditPart).getMATypesForSource(relationshipType); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /** |
| * @generated |
| */ |
| public List getTypesForTarget(IAdaptable source, IElementType relationshipType) |
| { |
| IGraphicalEditPart sourceEditPart = (IGraphicalEditPart)source.getAdapter(IGraphicalEditPart.class); |
| if (sourceEditPart instanceof AClassEditPart) |
| { |
| return ((AClassEditPart)sourceEditPart).getMATypesForTarget(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(); |
| HashSet<EObject> elements = new HashSet<EObject>(); |
| for (Iterator<EObject> it = diagram.getElement().eAllContents(); it.hasNext();) |
| { |
| EObject element = 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(ClassdiagramDiagramEditorPlugin.getInstance() |
| .getItemProvidersAdapterFactory()); |
| ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, labelProvider); |
| dialog.setMessage(Messages.ClassdiagramModelingAssistantProviderMessage); |
| dialog.setTitle(Messages.ClassdiagramModelingAssistantProviderTitle); |
| dialog.setMultipleSelection(false); |
| dialog.setElements(elements); |
| EObject selected = null; |
| if (dialog.open() == Window.OK) |
| { |
| selected = (EObject)dialog.getFirstResult(); |
| } |
| return selected; |
| } |
| } |