| /****************************************************************************** |
| * Copyright (c) 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 API and implementation |
| ****************************************************************************/ |
| package org.eclipse.gmf.examples.runtime.diagram.logic.internal.providers; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.gmf.examples.runtime.diagram.logic.internal.editparts.CircuitEditPart; |
| import org.eclipse.gmf.examples.runtime.diagram.logic.internal.editparts.LEDEditPart; |
| import org.eclipse.gmf.runtime.common.ui.services.action.contributionitem.IPopupMenuContributionPolicy; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| /** |
| * Class that helps to determine whether "Ports Color" menu item should be |
| * contributed to the context menu |
| * |
| * @author aboyko |
| * |
| */ |
| public class LogicPortsColorPopupPolicy implements IPopupMenuContributionPolicy { |
| |
| public boolean appliesTo(ISelection selection, |
| IConfigurationElement configuration) { |
| if (!selection.isEmpty() && selection instanceof StructuredSelection) { |
| for (Iterator itr = ((StructuredSelection) selection).iterator(); itr |
| .hasNext();) { |
| Object obj = itr.next(); |
| if (!(obj instanceof LEDEditPart || obj instanceof CircuitEditPart)) |
| return false; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| } |