001    /*
002     * Copyright 2006 Google Inc.
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     * 
008     * http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package com.google.gwt.user.client.ui;
017    
018    import com.google.gwt.user.client.DOM;
019    
020    /**
021     * A panel that flows all of its child widgets much like text (this is
022     * effectively the default HTML layout panel).
023     * 
024     * <p>
025     * <img class='gallery' src='FlowPanel.png'/>
026     * </p>
027     */
028    public class FlowPanel extends ComplexPanel {
029    
030      /**
031       * Creates an empty flow panel.
032       */
033      public FlowPanel() {
034        setElement(DOM.createDiv());
035      }
036    
037      public boolean add(Widget w) {
038        super.add(w);
039        DOM.appendChild(getElement(), w.getElement());
040        DOM.setStyleAttribute(w.getElement(), "display", "inline");
041        return true;
042      }
043    
044      public boolean remove(Widget w) {
045        if (!super.remove(w))
046          return false;
047        DOM.removeChild(getElement(), w.getElement());
048        return true;
049      }
050    }