001    /*
002     * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
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 asquare.gwt.tk.client.ui.behavior.impl;
017    
018    import asquare.gwt.tk.client.ui.behavior.PreventSelectionController;
019    
020    import com.google.gwt.user.client.DOM;
021    import com.google.gwt.user.client.Event;
022    import com.google.gwt.user.client.ui.Widget;
023    
024    public class PreventSelectionControllerStandard extends PreventSelectionController 
025    {
026            public PreventSelectionControllerStandard()
027            {
028                    super(Event.ONMOUSEDOWN);
029            }
030            
031            protected boolean doBrowserEvent(Widget widget, Event event)
032            {
033                    if (DOM.eventGetType(event) == Event.ONMOUSEDOWN)
034                    {
035                            // prevent text selection (works in Mozilla, Safari & Opera)
036                            return false;
037                    }
038                    return true;
039            }
040    }