src/utils/IdealGraphVisualizer/Coordinator/src/com/sun/hotspot/igv/coordinator/GraphNode.java

/*
 * 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;

import com.sun.hotspot.igv.coordinator.actions.CloneGraphAction;
import com.sun.hotspot.igv.coordinator.actions.DiffGraphAction;
import com.sun.hotspot.igv.coordinator.actions.DiffGraphCookie;
import com.sun.hotspot.igv.coordinator.actions.GraphCloneCookie;
import com.sun.hotspot.igv.coordinator.actions.GraphOpenCookie;
import com.sun.hotspot.igv.coordinator.actions.GraphRemoveCookie;
import com.sun.hotspot.igv.data.InputGraph;
import com.sun.hotspot.igv.data.Properties;
import com.sun.hotspot.igv.data.services.GraphViewer;
import com.sun.hotspot.igv.util.PropertiesSheet;
import java.awt.Image;
import javax.swing.Action;
import org.openide.actions.OpenAction;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Children;
import org.openide.nodes.NodeAdapter;
import org.openide.nodes.NodeEvent;
import org.openide.nodes.NodeMemberEvent;
import org.openide.nodes.Sheet;
import org.openide.util.ImageUtilities;
import org.openide.util.Lookup;
import org.openide.util.lookup.AbstractLookup;
import org.openide.util.lookup.InstanceContent;

/**
 *
 * @author Thomas Wuerthinger
 */
public class GraphNode extends AbstractNode {
    private InputGraph graph;

    /** Creates a new instance of GraphNode */
    public GraphNode(InputGraph graph) {
        this(graph, new InstanceContent());
    }

    private GraphNode(InputGraph graph, InstanceContent content) {
        super(Children.LEAF, new AbstractLookup(content));
        this.graph = graph;
        this.setDisplayName(graph.getName());
        content.add(graph);

        final GraphViewer viewer = Lookup.getDefault().lookup(GraphViewer.class);

        if (viewer != null) {
            // Action for opening the graph
            content.add(new GraphOpenCookie(viewer, graph));
        }

        // Action for removing a graph
        content.add(new GraphRemoveCookie(graph));

        // Action for diffing to the current graph
        content.add(new DiffGraphCookie(graph));

        // Action for cloning to the current graph
        content.add(new GraphCloneCookie(viewer, graph));

        this.addNodeListener(new NodeAdapter() {
            @Override
            public void childrenRemoved(NodeMemberEvent ev) {
                GraphNode.this.graph = null;
            }
        });
    }

    @Override
    protected Sheet createSheet() {
        Sheet s = super.createSheet();
        Properties p = new Properties();
        p.add(graph.getProperties());
        p.setProperty("nodeCount", Integer.toString(graph.getNodes().size()));
        p.setProperty("edgeCount", Integer.toString(graph.getEdges().size()));
        PropertiesSheet.initializeSheet(p, s);
        return s;
    }

    @Override
    public Image getIcon(int i) {
        return ImageUtilities.loadImage("com/sun/hotspot/igv/coordinator/images/graph.png");
    }

    @Override
    public Image getOpenedIcon(int i) {
        return getIcon(i);
    }

    @Override
    public Action[] getActions(boolean b) {
        return new Action[]{(Action) DiffGraphAction.findObject(DiffGraphAction.class, true), (Action) CloneGraphAction.findObject(CloneGraphAction.class, true), (Action) OpenAction.findObject(OpenAction.class, true)};
    }

    @Override
    public Action getPreferredAction() {
        return (Action) OpenAction.findObject(OpenAction.class, true);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof GraphNode) {
            return (graph == ((GraphNode) obj).graph);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return graph.hashCode();
    }
}