| /* |
| * Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| /* |
| * $Id: GraphBean.java,v 1.1 2005/11/03 03:00:17 SherryShen Exp $ |
| */ |
| |
| package demo.model; |
| |
| import components.components.GraphComponent; |
| import components.model.Graph; |
| import components.model.Node; |
| import com.sun.org.apache.commons.logging.Log; |
| import com.sun.org.apache.commons.logging.LogFactory; |
| |
| import jakarta.faces.event.ActionEvent; |
| |
| import java.util.Iterator; |
| |
| /** |
| * <p>Backing file bean for TreeControl demo.</p> |
| */ |
| |
| public class GraphBean { |
| |
| private static Log log = LogFactory.getLog(GraphBean.class); |
| 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 (log.isTraceEnabled()) { |
| log.trace("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 (log.isErrorEnabled()) { |
| log.error("ERROR: Graph could not located in scope "); |
| } |
| } |
| // Toggle the expanded state of this node |
| Node node = graph.findNode(path); |
| if (node == null) { |
| if (log.isErrorEnabled()) { |
| log.error("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); |
| } |
| } |
| } |
| } |
| } |
| |
| } |
