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Java > Open Source Codes > nextapp > echo2 > webcontainer > syncpeer > TextAreaPeer


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.webcontainer.syncpeer;
31
32 import org.w3c.dom.Element JavaDoc;
33 import org.w3c.dom.Node JavaDoc;
34
35 import nextapp.echo2.app.Component;
36 import nextapp.echo2.app.TextArea;
37 import nextapp.echo2.app.update.ServerComponentUpdate;
38 import nextapp.echo2.webcontainer.ContainerInstance;
39 import nextapp.echo2.webcontainer.RenderContext;
40 import nextapp.echo2.webrender.ClientProperties;
41 import nextapp.echo2.webrender.ServerMessage;
42 import nextapp.echo2.webrender.output.CssStyle;
43
44 /**
45  * Synchronization peer for <code>nextapp.echo2.app.TextArea</code> components.
46  * <p>
47  * This class should not be extended or used by classes outside of the
48  * Echo framework.
49  */
50 public class TextAreaPeer extends TextComponentPeer {
51
52     /**
53      * @see nextapp.echo2.webcontainer.DomUpdateSupport#renderHtml(nextapp.echo2.webcontainer.RenderContext,
54      * nextapp.echo2.app.update.ServerComponentUpdate, org.w3c.dom.Node, nextapp.echo2.app.Component)
55      */
56     public void renderHtml(RenderContext rc, ServerComponentUpdate addUpdate, Node JavaDoc parentNode, Component component) {
57         TextArea textArea = (TextArea) component;
58         String JavaDoc elementId = ContainerInstance.getElementId(component);
59         
60         ServerMessage serverMessage = rc.getServerMessage();
61         serverMessage.addLibrary(TEXT_COMPONENT_SERVICE.getId());
62         
63         Element JavaDoc textAreaElement = parentNode.getOwnerDocument().createElement("textarea");
64         textAreaElement.setAttribute("id", elementId);
65         
66         if (textArea.isFocusTraversalParticipant()) {
67             textAreaElement.setAttribute("tabindex", Integer.toString(textArea.getFocusTraversalIndex()));
68         } else {
69             textAreaElement.setAttribute("tabindex", "-1");
70         }
71         
72         String JavaDoc toolTipText = (String JavaDoc) textArea.getRenderProperty(TextArea.PROPERTY_TOOL_TIP_TEXT);
73         if (toolTipText != null) {
74             textAreaElement.setAttribute("title", toolTipText);
75         }
76
77         String JavaDoc value = textArea.getText();
78         if (value != null) {
79             if (!rc.getContainerInstance().getClientProperties().getBoolean(
80                     ClientProperties.QUIRK_TEXTAREA_CONTENT)) {
81                 textAreaElement.appendChild(rc.getServerMessage().getDocument().createTextNode(value));
82             }
83         }
84
85         CssStyle cssStyle = createBaseCssStyle(rc, textArea);
86         if (cssStyle.hasAttributes()) {
87             textAreaElement.setAttribute("style", cssStyle.renderInline());
88         }
89         
90         parentNode.appendChild(textAreaElement);
91
92         renderInitDirective(rc, textArea);
93     }
94 }
95
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