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


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 nextapp.echo2.app.Component;
33 import nextapp.echo2.app.PasswordField;
34 import nextapp.echo2.app.TextField;
35 import nextapp.echo2.app.update.ServerComponentUpdate;
36 import nextapp.echo2.webcontainer.ContainerInstance;
37 import nextapp.echo2.webcontainer.DomUpdateSupport;
38 import nextapp.echo2.webcontainer.RenderContext;
39 import nextapp.echo2.webrender.ServerMessage;
40 import nextapp.echo2.webrender.output.CssStyle;
41
42 import org.w3c.dom.Element JavaDoc;
43 import org.w3c.dom.Node JavaDoc;
44
45 /**
46  * Synchronization peer for <code>nextapp.echo2.app.TextField</code> components.
47  * <p>
48  * This class should not be extended or used by classes outside of the
49  * Echo framework.
50  */
51 public class TextFieldPeer extends TextComponentPeer
52 implements DomUpdateSupport {
53
54     /**
55      * @see nextapp.echo2.webcontainer.DomUpdateSupport#renderHtml(nextapp.echo2.webcontainer.RenderContext,
56      * nextapp.echo2.app.update.ServerComponentUpdate, org.w3c.dom.Node, nextapp.echo2.app.Component)
57      */
58     public void renderHtml(RenderContext rc, ServerComponentUpdate addUpdate, Node JavaDoc parentNode, Component component) {
59         TextField textField = (TextField) component;
60         String JavaDoc elementId = ContainerInstance.getElementId(textField);
61
62         ServerMessage serverMessage = rc.getServerMessage();
63         serverMessage.addLibrary(TEXT_COMPONENT_SERVICE.getId());
64         
65         Element JavaDoc inputElement = parentNode.getOwnerDocument().createElement("input");
66         inputElement.setAttribute("id", elementId);
67         if (textField instanceof PasswordField) {
68             inputElement.setAttribute("type", "password");
69         } else {
70             inputElement.setAttribute("type", "text");
71         }
72         String JavaDoc value = textField.getText();
73         if (value != null) {
74             inputElement.setAttribute("value", value);
75         }
76         
77         if (textField.isFocusTraversalParticipant()) {
78             inputElement.setAttribute("tabindex", Integer.toString(textField.getFocusTraversalIndex()));
79         } else {
80             inputElement.setAttribute("tabindex", "-1");
81         }
82         
83         String JavaDoc toolTipText = (String JavaDoc) textField.getRenderProperty(TextField.PROPERTY_TOOL_TIP_TEXT);
84         if (toolTipText != null) {
85             inputElement.setAttribute("title", toolTipText);
86         }
87         
88         Integer JavaDoc maximumLength = (Integer JavaDoc) textField.getRenderProperty(TextField.PROPERTY_MAXIMUM_LENGTH);
89         if (maximumLength != null) {
90             inputElement.setAttribute("maxlength", maximumLength.toString());
91         }
92
93         CssStyle cssStyle = createBaseCssStyle(rc, textField);
94         if (cssStyle.hasAttributes()) {
95             inputElement.setAttribute("style", cssStyle.renderInline());
96         }
97         
98         parentNode.appendChild(inputElement);
99
100         renderInitDirective(rc, textField);
101     }
102 }
103
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