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


1 /*
2  * Copyright 2006 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 widget that wraps the HTML <input type='file'> element. This widget
22  * must be used with {@link com.google.gwt.user.client.ui.FormPanel} if it is
23  * to be submitted to a server.
24  *
25  * <p>
26  * <h3>Example</h3> {@example com.google.gwt.examples.FormPanelExample}
27  * </p>
28  */
29 public class FileUpload extends Widget implements HasName {
30
31   /**
32    * Constructs a new file upload widget.
33    */
34   public FileUpload() {
35     setElement(DOM.createElement("input"));
36     DOM.setElementProperty(getElement(), "type", "file");
37     setStyleName("gwt-FileUpload");
38   }
39
40   /**
41    * Gets the filename selected by the user. This property has no mutator, as
42    * browser security restrictions preclude setting it.
43    *
44    * @return the widget's filename
45    */
46   public String JavaDoc getFilename() {
47     return DOM.getElementProperty(getElement(), "value");
48   }
49
50   public String JavaDoc getName() {
51     return DOM.getElementProperty(getElement(), "name");
52   }
53
54   public void setName(String JavaDoc name) {
55     DOM.setElementProperty(getElement(), "name", name);
56   }
57 }
58
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