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


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 panel that formats its child widgets using the default HTML layout
22  * behavior.
23  *
24  * <p>
25  * <img class='gallery' SRC='FlowPanel.png'/>
26  * </p>
27  */
28 public class FlowPanel extends ComplexPanel {
29
30   /**
31    * Creates an empty flow panel.
32    */
33   public FlowPanel() {
34     setElement(DOM.createDiv());
35   }
36
37   /**
38    * Adds a new child widget to the panel.
39    *
40    * @param w the widget to be added
41    */
42   public void add(Widget w) {
43     super.add(w, getElement());
44   }
45
46   /**
47    * Inserts a widget before the specified index.
48    *
49    * @param w the widget to be inserted
50    * @param beforeIndex the index before which it will be inserted
51    * @throws IndexOutOfBoundsException if <code>beforeIndex</code> is out of
52    * range
53    */
54   public void insert(Widget w, int beforeIndex) {
55     super.insert(w, getElement(), beforeIndex);
56   }
57 }
58
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