01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * 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.app;
31:
32: import nextapp.echo2.app.text.Document;
33: import nextapp.echo2.app.text.StringDocument;
34: import nextapp.echo2.app.text.TextComponent;
35:
36: /**
37: * A single-line text input field.
38: */
39: public class TextField extends TextComponent {
40:
41: /**
42: * Creates a new <code>TextField</code> with an empty
43: * <code>StringDocument</code> as its model, and default width
44: * setting.
45: */
46: public TextField() {
47: super (new StringDocument());
48: }
49:
50: /**
51: * Creates a new <code>TextField</code> with the specified
52: * <code>Document</code> model.
53: *
54: * @param document the document
55: */
56: public TextField(Document document) {
57: super (document);
58: }
59:
60: /**
61: * Creates a new <code>TextField</code> with the specified
62: * <code>Document</code> model, initial text, and column width.
63: *
64: * @param document the document
65: * @param text the initial text (may be null)
66: * @param columns the number of columns to display
67: */
68: public TextField(Document document, String text, int columns) {
69: super (document);
70: if (text != null) {
71: document.setText(text);
72: }
73: setWidth(new Extent(columns, Extent.EX));
74: }
75: }
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