| /********************************************************************* |
| * Copyright (c) 2005, 2019 SAP SE |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * SAP SE - initial API, implementation and documentation |
| * cbrand - Bug 377475 - Fix AbstractCustomFeature.execute and canExecute |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| **********************************************************************/ |
| package org.eclipse.graphiti.examples.tutorial.features; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.context.IContext; |
| import org.eclipse.graphiti.features.context.ICustomContext; |
| import org.eclipse.graphiti.features.custom.AbstractCustomFeature; |
| import org.eclipse.graphiti.mm.pictograms.PictogramElement; |
| import org.eclipse.graphiti.platform.IPlatformImageConstants; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.ui.PlatformUI; |
| |
| |
| public class TutorialCollapseDummyFeature extends AbstractCustomFeature { |
| |
| public TutorialCollapseDummyFeature(IFeatureProvider fp) { |
| super(fp); |
| } |
| |
| @Override |
| public boolean canExecute(ICustomContext context) { |
| boolean ret = false; |
| PictogramElement[] pes = context.getPictogramElements(); |
| if (pes != null && pes.length == 1) { |
| Object bo = getBusinessObjectForPictogramElement(pes[0]); |
| if (bo instanceof EClass) { |
| ret = true; |
| } |
| } |
| return ret; |
| } |
| |
| @Override |
| public String getName() { |
| return "Co&llapse"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getDescription() { |
| |
| return "Collapse Figure"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getImageId() { |
| return IPlatformImageConstants.IMG_EDIT_COLLAPSE; |
| } |
| |
| @Override |
| public boolean isAvailable(IContext context) { |
| return true; |
| } |
| |
| public void execute(ICustomContext context) { |
| MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Information",//$NON-NLS-1$ |
| "The 'Collapse Feature' is intentionally not implemented yet."); //$NON-NLS-1$ |
| } |
| |
| } |