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Java > Open Source Codes > com > google > gwt > user > client > ui > TextBox


1 /*
2  * Copyright 2007 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */

16 package com.google.gwt.user.client.ui;
17
18 import com.google.gwt.user.client.DOM;
19
20 /**
21  * A standard single-line text box.
22  *
23  * <p>
24  * <img class='gallery' SRC='TextBox.png'/>
25  * </p>
26  *
27  * <h3>CSS Style Rules</h3>
28  * <ul class='css'>
29  * <li>.gwt-TextBox { primary style }</li>
30  * <li>.gwt-TextBox-readonly { dependent style set when the text box is read-only }</li>
31  * </ul>
32  *
33  * <p>
34  * <h3>Example</h3>
35  * {@example com.google.gwt.examples.TextBoxExample}
36  * </p>
37  */

38 public class TextBox extends TextBoxBase {
39
40   /**
41    * Creates an empty text box.
42    */

43   public TextBox() {
44     super(DOM.createInputText());
45     setStyleName("gwt-TextBox");
46   }
47
48   /**
49    * Gets the maximum allowable length of the text box.
50    *
51    * @return the maximum length, in characters
52    */

53   public int getMaxLength() {
54     return DOM.getElementPropertyInt(getElement(), "maxLength");
55   }
56
57   /**
58    * Gets the number of visible characters in the text box.
59    *
60    * @return the number of visible characters
61    */

62   public int getVisibleLength() {
63     return DOM.getElementPropertyInt(getElement(), "size");
64   }
65
66   /**
67    * Sets the maximum allowable length of the text box.
68    *
69    * @param length the maximum length, in characters
70    */

71   public void setMaxLength(int length) {
72     DOM.setElementPropertyInt(getElement(), "maxLength", length);
73   }
74
75   /**
76    * Sets the number of visible characters in the text box.
77    *
78    * @param length the number of visible characters
79    */

80   public void setVisibleLength(int length) {
81     DOM.setElementPropertyInt(getElement(), "size", length);
82   }
83 }
84
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