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Java > Open Source Codes > org > nextime > ion > backoffice > action > content > TreeControlAction


1 /*
2  * $Header: /home/cvs/jakarta-tomcat-4.0/webapps/admin/WEB-INF/classes/org/apache/webapp/admin/TreeControlTestAction.java,v 1.3 2001/11/28 03:33:49 patrickl Exp $
3  * $Revision: 1.3 $
4  * $Date: 2001/11/28 03:33:49 $
5  *
6  * ====================================================================
7  *
8  * The Apache Software License, Version 1.1
9  *
10  * Copyright (c) 2001 The Apache Software Foundation. All rights
11  * reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  *
17  * 1. Redistributions of source code must retain the above copyright
18  * notice, this list of conditions and the following disclaimer.
19  *
20  * 2. Redistributions in binary form must reproduce the above copyright
21  * notice, this list of conditions and the following disclaimer in
22  * the documentation and/or other materials provided with the
23  * distribution.
24  *
25  * 3. The end-user documentation included with the redistribution, if
26  * any, must include the following acknowlegement:
27  * "This product includes software developed by the
28  * Apache Software Foundation (http://www.apache.org/)."
29  * Alternately, this acknowlegement may appear in the software itself,
30  * if and wherever such third-party acknowlegements normally appear.
31  *
32  * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
33  * Foundation" must not be used to endorse or promote products derived
34  * from this software without prior written permission. For written
35  * permission, please contact apache@apache.org.
36  *
37  * 5. Products derived from this software may not be called "Apache"
38  * nor may "Apache" appear in their names without prior written
39  * permission of the Apache Group.
40  *
41  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52  * SUCH DAMAGE.
53  * ====================================================================
54  *
55  * This software consists of voluntary contributions made by many
56  * individuals on behalf of the Apache Software Foundation. For more
57  * information on the Apache Software Foundation, please see
58  * <http://www.apache.org/>.
59  *
60  */
61
62
63 package org.nextime.ion.backoffice.action.content;
64
65
66 import java.io.IOException JavaDoc;
67
68 import javax.servlet.ServletException JavaDoc;
69 import javax.servlet.http.HttpServletRequest JavaDoc;
70 import javax.servlet.http.HttpServletResponse JavaDoc;
71 import javax.servlet.http.HttpSession JavaDoc;
72
73 import org.apache.struts.action.ActionForm;
74 import org.apache.struts.action.ActionForward;
75 import org.apache.struts.action.ActionMapping;
76 import org.nextime.ion.backoffice.action.BaseAction;
77 import org.nextime.ion.backoffice.tree.TreeControl;
78 import org.nextime.ion.backoffice.tree.TreeControlNode;
79
80
81 /**
82  * Test <code>Action</code> that handles events from the tree control test
83  * page.
84  *
85  * @author Craig R. McClanahan
86  * @version $Revision: 1.3 $ $Date: 2001/11/28 03:33:49 $
87  */
88
89 public class TreeControlAction extends BaseAction {
90
91
92     // --------------------------------------------------------- Public Methods
93
94
95     /**
96      * Process the specified HTTP request, and create the corresponding HTTP
97      * response (or forward to another web component that will create it).
98      * Return an <code>ActionForward</code> instance describing where and how
99      * control should be forwarded, or <code>null</code> if the response has
100      * already been completed.
101      *
102      * @param mapping The ActionMapping used to select this instance
103      * @param actionForm The optional ActionForm bean for this request (if any)
104      * @param request The HTTP request we are processing
105      * @param response The HTTP response we are creating
106      *
107      * @exception IOException if an input/output error occurs
108      * @exception ServletException if a servlet exception occurs
109      */
110     public ActionForward perform(ActionMapping mapping,
111                                  ActionForm form,
112                                  HttpServletRequest JavaDoc request,
113                                  HttpServletResponse JavaDoc response)
114         throws IOException JavaDoc, ServletException JavaDoc {
115             
116         // check if user is correctly logged
117 checkUser(request);
118
119         getServlet().log("Entered TreeControlTestAction:perform()");
120
121         String JavaDoc name = null;
122         HttpSession JavaDoc session = request.getSession();
123         TreeControl control =
124             (TreeControl) session.getAttribute("treeControlTest");
125
126         // Handle a tree expand/contract event
127 name = request.getParameter("tree");
128
129         if (name != null) {
130             getServlet().log("Tree expand/contract on " + name);
131
132             TreeControlNode node = control.findNode(name);
133
134             if (node != null){
135                 getServlet().log("Found Node: " + name);
136                 node.setExpanded(!node.isExpanded());
137             }
138         }else{
139             getServlet().log("tree param is null");
140         }
141
142         // Handle a select item event
143 name = request.getParameter("select");
144         if (name != null) {
145             getServlet().log("Select event on " + name);
146             control.selectNode(name);
147             control.findNode(name).setExpanded(true);
148         }
149
150         // Forward back to the test page
151 return (mapping.findForward("view"));
152
153     }
154
155
156 }
157
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