| /******************************************************************************* |
| * Copyright (c) 2016 Fundación Tecnalia Research & Innovation. |
| * |
| * 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: |
| * Huascar Espinoza - initial API and implementation |
| * Alejandra Ruíz - initial API and implementation |
| * Idoya Del Río - initial API and implementation |
| * Mari Carmen Palacios - initial API and implementation |
| * Angel López - initial API and implementation |
| *******************************************************************************/ |
| /* |
| * |
| */ |
| package org.eclipse.opencert.apm.baseline.baseline.diagram.providers; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| 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.opencert.apm.baseline.baseline.diagram.part.BaselineDiagramEditorPlugin; |
| import org.eclipse.opencert.apm.baseline.baseline.diagram.part.Messages; |
| |
| /** |
| * @generated |
| */ |
| public class BaselineModelingAssistantProvider extends |
| ModelingAssistantProvider { |
| |
| /** |
| * @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( |
| BaselineDiagramEditorPlugin.getInstance() |
| .getItemProvidersAdapterFactory()); |
| ElementListSelectionDialog dialog = new ElementListSelectionDialog( |
| shell, labelProvider); |
| dialog.setMessage(Messages.BaselineModelingAssistantProviderMessage); |
| dialog.setTitle(Messages.BaselineModelingAssistantProviderTitle); |
| dialog.setMultipleSelection(false); |
| dialog.setElements(elements); |
| EObject selected = null; |
| if (dialog.open() == Window.OK) { |
| selected = (EObject) dialog.getFirstResult(); |
| } |
| return selected; |
| } |
| |
| } |