| /******************************************************************************* |
| * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH 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: |
| * Jonas Helming - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.e4.internal.tools.wizards.model; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import org.eclipse.e4.ui.model.application.MApplicationElement; |
| import org.eclipse.e4.ui.model.application.commands.MCommand; |
| import org.eclipse.e4.ui.model.application.commands.MHandler; |
| import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem; |
| import org.eclipse.e4.ui.model.fragment.MFragmentFactory; |
| import org.eclipse.e4.ui.model.fragment.MModelFragments; |
| import org.eclipse.e4.ui.model.fragment.MStringModelFragment; |
| import org.eclipse.emf.common.util.TreeIterator; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| |
| /** |
| * @author Jonas |
| * |
| */ |
| public class FragmentExtractHelper { |
| |
| /** |
| * Imports referenced commands |
| * |
| * @param moe |
| * elements to resolved referenced commands for |
| * @param mModelFragments |
| * the target {@link MModelFragments} |
| */ |
| public static void resolveCommandImports(MApplicationElement moe, MModelFragments mModelFragments) { |
| final HashMap<String, MCommand> importCommands = new HashMap<String, MCommand>(); |
| if (moe instanceof MHandler) { |
| |
| final MHandler mhandler = (MHandler) moe; |
| final MCommand command = ((MHandler) moe).getCommand(); |
| if (command == null) { |
| return; |
| } |
| final MCommand existImportCommand = importCommands.get(command.getElementId()); |
| if (existImportCommand == null) { |
| final MApplicationElement copy = (MApplicationElement) EcoreUtil.copy((EObject) command); |
| mhandler.setCommand((MCommand) copy); |
| importCommands.put(copy.getElementId(), (MCommand) copy); |
| mModelFragments.getImports().add(copy); |
| } else { |
| mhandler.setCommand(existImportCommand); |
| } |
| } else if (moe instanceof MHandledItem) { |
| final MHandledItem mh = (MHandledItem) moe; |
| final MCommand command = mh.getCommand(); |
| if (command == null) { |
| return; |
| } |
| final MCommand existImportCommand = importCommands.get(command.getElementId()); |
| if (existImportCommand == null) { |
| final MApplicationElement copy = (MApplicationElement) EcoreUtil.copy((EObject) command); |
| mh.setCommand((MCommand) copy); |
| importCommands.put(copy.getElementId(), command); |
| mModelFragments.getImports().add(copy); |
| } else { |
| mh.setCommand(existImportCommand); |
| } |
| } |
| } |
| |
| /** |
| * @param extractedElements |
| * the {@link MApplicationElement}s to be extracted |
| */ |
| public static MModelFragments createInitialModel(List<MApplicationElement> extractedElements) { |
| final MModelFragments createModelFragments = MFragmentFactory.INSTANCE.createModelFragments(); |
| for (final MApplicationElement moe : extractedElements) { |
| final EObject eObject = (EObject) moe; |
| final TreeIterator<EObject> eAllContents = eObject.eAllContents(); |
| boolean hasNext = eAllContents.hasNext(); |
| if (!hasNext) { |
| FragmentExtractHelper.resolveCommandImports(moe, createModelFragments); |
| } |
| while (hasNext) { |
| final MApplicationElement next = (MApplicationElement) eAllContents.next(); |
| FragmentExtractHelper.resolveCommandImports(next, createModelFragments); |
| hasNext = eAllContents.hasNext(); |
| } |
| final MStringModelFragment createStringModelFragment = MFragmentFactory.INSTANCE |
| .createStringModelFragment(); |
| final MApplicationElement e = (MApplicationElement) EcoreUtil.copy((EObject) moe); |
| final String featurename = ((EObject) moe).eContainmentFeature().getName(); |
| createStringModelFragment |
| .setParentElementId(((MApplicationElement) ((EObject) moe).eContainer()).getElementId()); |
| createStringModelFragment.getElements().add(e); |
| createStringModelFragment.setFeaturename(featurename); |
| |
| createModelFragments.getFragments().add(createStringModelFragment); |
| } |
| return createModelFragments; |
| } |
| |
| } |