/* * $Id: GraphBean.java,v 1.7 2007/04/27 22:00:25 ofung Exp $ *//* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. *  * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. *  * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License").  You * may not use this file except in compliance with the License. You can obtain * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific * language governing permissions and limitations under the License. *  * When distributing the software, include this License Header Notice in each * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code.  If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [year] * [name of copyright owner]" *  * Contributor(s): *  * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license."  If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above.  However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */package demo.model;import javax.faces.event.ActionEvent;import java.util.Iterator;import java.util.logging.Level;import java.util.logging.Logger;import com.sun.javaee.blueprints.components.ui.components.GraphComponent;import com.sun.javaee.blueprints.components.ui.model.Graph;import com.sun.javaee.blueprints.components.ui.model.Node;/** <p>Backing file bean for TreeControl demo.</p> */public class GraphBean {    private static Logger LOGGER = Logger.getLogger("demo.model");            Graph menuGraph = null;    Graph treeGraph = null;    public GraphBean() {    }    public Graph getMenuGraph() {        // Construct a preconfigured customer list lazily.        if (menuGraph == null) {            Node root = new Node("Menu 2", "Menu", null, null, false, true);            menuGraph = new Graph(root);            Node file = new Node("File", "File 2", "/demo-test.faces", null,                                 true, true);            root.addChild(file);            file.addChild(                  new Node("File-New", "New 2", "/demo-test.faces", null, true,                           false));            file.addChild(                  new Node("File-Open",                           "Open 2",                           "/demo-test.faces",                           null,                           true,                           false));            Node close = new Node("File-Close", "Close 2", "/demo-test.faces",                                  null, false, false);            file.addChild(close);            file.addChild(                  new Node("File-Exit",                           "Exit 2",                           "/demo-test.faces",                           null,                           true,                           false));            Node edit = new Node("Edit", "Edit 2", "/demo-test.faces", null,                                 true, false);            root.addChild(edit);            edit.addChild(                  new Node("Edit-Cut", "Cut 2", "/demo-test.faces", null, true,                           false));            edit.addChild(                  new Node("Edit-Copy",                           "Copy 2",                           "/demo-test.faces",                           null,                           true,                           false));            edit.addChild(                  new Node("Edit-Paste", "Paste 2", "/demo-test.faces", null,                           false, false));            menuGraph.setSelected(close);        }        return menuGraph;    }    public void setMenuGraph(Graph newMenuGraph) {        this.menuGraph = newMenuGraph;    }    public Graph getTreeGraph() {        // Construct a preconfigured Graph lazily.        if (treeGraph == null) {            Node root = new Node("Menu 4", "Menu 4", null, null, false, true);            treeGraph = new Graph(root);            Node file = new Node("File", "File 4", "/demo-test.faces", null,                                 true, true);            root.addChild(file);            file.addChild(                  new Node("File-New", "New 4", "/demo-test.faces", null, true,                           false));            file.addChild(                  new Node("File-Open",                           "Open 4",                           "/demo-test.faces",                           null,                           true,                           false));            Node close = new Node("File-Close", "Close 4", "/demo-test.faces",                                  null, false, false);            file.addChild(close);            file.addChild(                  new Node("File-Exit",                           "Exit 4",                           "/demo-test.faces",                           null,                           true,                           false));            Node edit = new Node("Edit", "Edit 4", "/demo-test.faces", null,                                 true, false);            root.addChild(edit);            edit.addChild(                  new Node("Edit-Cut", "Cut 4", "/demo-test.faces", null, true,                           false));            edit.addChild(                  new Node("Edit-Copy",                           "Copy 4",                           "/demo-test.faces",                           null,                           true,                           false));            edit.addChild(                  new Node("Edit-Paste", "Paste 4", "/demo-test.faces", null,                           false, false));            treeGraph.setSelected(close);        }        return treeGraph;    }    public void setTreeGraph(Graph newTreeGraph) {        this.treeGraph = newTreeGraph;    }    /*     * Processes the event queued on the graph component when a particular     * node in the tree control is to be expanded or collapsed.     */    public void processGraphEvent(ActionEvent event) {        if (LOGGER.isLoggable(Level.FINE)) {            LOGGER.fine("TRACE: GraphBean.processGraphEvent ");        }        Graph graph = null;        GraphComponent component = (GraphComponent) event.getSource();        String path = (String) component.getAttributes().get("path");        // Acquire the root node of the graph representing the menu        graph = (Graph) component.getValue();        if (graph == null) {            if (LOGGER.isLoggable(Level.SEVERE)) {                LOGGER.severe("ERROR: Graph could not located in scope ");            }        }        // Toggle the expanded state of this node        Node node = graph.findNode(path);        if (node == null) {            if (LOGGER.isLoggable(Level.SEVERE)) {                LOGGER.severe("ERROR: Node " + path + "could not be located. ");            }            return;        }        boolean current = node.isExpanded();        node.setExpanded(!current);        if (!current) {            Node parent = node.getParent();            if (parent != null) {                Iterator kids = parent.getChildren();                while (kids.hasNext()) {                    Node kid = (Node) kids.next();                    if (kid != node) {                        kid.setExpanded(false);                    }                }            }        }    }}