/* * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package com.sun.hotspot.igv.coordinator.actions; import com.sun.hotspot.igv.data.InputGraph; import com.sun.hotspot.igv.data.services.GraphViewer; import com.sun.hotspot.igv.data.services.InputGraphProvider; import com.sun.hotspot.igv.difference.Difference; import com.sun.hotspot.igv.util.LookupHistory; import org.openide.nodes.Node; import org.openide.util.Lookup; /** * * @author Thomas Wuerthinger */ public class DiffGraphCookie implements Node.Cookie { private InputGraph graph; public DiffGraphCookie(InputGraph graph) { this.graph = graph; } private InputGraph getCurrentGraph() { InputGraphProvider graphProvider = LookupHistory.getLast(InputGraphProvider.class); if (graphProvider != null) { return graphProvider.getGraph(); } return null; } public boolean isPossible() { return getCurrentGraph() != null; } public void openDiff() { InputGraph other = getCurrentGraph(); final GraphViewer viewer = Lookup.getDefault().lookup(GraphViewer.class); if (viewer != null) { InputGraph diffGraph = Difference.createDiffGraph(other, graph); viewer.view(diffGraph, true); } } }