/*

 * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

package com.sun.hotspot.igv.bytecodes;

import com.sun.hotspot.igv.data.InputBytecode;

import com.sun.hotspot.igv.data.InputGraph;

import com.sun.hotspot.igv.data.InputMethod;

import java.awt.Image;

import org.openide.nodes.AbstractNode;

import org.openide.nodes.Children;

import org.openide.nodes.Node;

import org.openide.util.Utilities;

/**

 *

 * @author Thomas Wuerthinger

 */

public class MethodNode extends AbstractNode {

    private static class MethodNodeChildren extends Children.Keys {

        private InputMethod method;

        private InputGraph graph;

        private String bciString;

        public MethodNodeChildren(InputMethod method, InputGraph graph, String bciString) {

            this.method = method;

            this.bciString = bciString;

            this.graph = graph;

        }

        protected Node[] createNodes(Object object) {

            assert object instanceof InputBytecode;

            InputBytecode bc = (InputBytecode) object;

            if (bc.getInlined() == null) {

                return new Node[]{new BytecodeNode(bc, graph, bciString)};

            } else {

                return new Node[]{new BytecodeNode(bc, graph, bciString), new MethodNode(bc.getInlined(), graph, bc.getBci() + " " + bciString)};

            }

        }

        @Override

        public void addNotify() {

            if (method != null) {

                setKeys(method.getBytecodes());

            }

        }

        public void setMethod(InputMethod method, InputGraph graph) {

            this.method = method;

            this.graph = graph;

            addNotify();

        }

    }

    /** Creates a new instance of MethodNode */

    public MethodNode(InputMethod method, InputGraph graph, String bciString) {

        super((method != null && method.getBytecodes().size() == 0) ? Children.LEAF : new MethodNodeChildren(method, graph, bciString));

        if (method != null) {

            this.setDisplayName(method.getName());

        }

    }

    @Override

    public Image getIcon(int i) {

        return Utilities.loadImage("com/sun/hotspot/igv/bytecodes/images/method.gif");

    }

    @Override

    public Image getOpenedIcon(int i) {

        return getIcon(i);

    }

    public void update(InputGraph graph, InputMethod method) {

        ((MethodNodeChildren) this.getChildren()).setMethod(method, graph);

        if (method != null) {

            this.setDisplayName(method.getName());

        }

    }

}