001    package org.gwtbootstrap3.client.ui.impl;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 - 2014 GwtBootstrap3
008     * %%
009     * Licensed under the Apache License, Version 2.0 (the "License");
010     * you may not use this file except in compliance with the License.
011     * You may obtain a copy of the License at
012     * 
013     *      http://www.apache.org/licenses/LICENSE-2.0
014     * 
015     * Unless required by applicable law or agreed to in writing, software
016     * distributed under the License is distributed on an "AS IS" BASIS,
017     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018     * See the License for the specific language governing permissions and
019     * limitations under the License.
020     * #L%
021     */
022    
023    import org.gwtbootstrap3.client.ui.SimpleRadioButton;
024    
025    import com.google.gwt.event.dom.client.BlurEvent;
026    import com.google.gwt.event.dom.client.BlurHandler;
027    import com.google.gwt.event.dom.client.ClickEvent;
028    import com.google.gwt.event.dom.client.ClickHandler;
029    import com.google.gwt.event.dom.client.KeyDownEvent;
030    import com.google.gwt.event.dom.client.KeyDownHandler;
031    import com.google.gwt.event.dom.client.MouseUpEvent;
032    import com.google.gwt.event.dom.client.MouseUpHandler;
033    import com.google.gwt.event.logical.shared.ValueChangeEvent;
034    import com.google.gwt.user.client.ui.SimpleCheckBox;
035    
036    public class SimpleRadioButtonImplIE8 extends SimpleRadioButtonImpl {
037    
038        private static class Handler implements ClickHandler, MouseUpHandler, BlurHandler, KeyDownHandler {
039    
040            private final SimpleCheckBox simpleRadioButton;
041            private Boolean oldValue;
042    
043            public Handler(SimpleRadioButton simpleRadioButton) {
044                this.simpleRadioButton = simpleRadioButton;
045            }
046    
047            @Override
048            public void onClick(ClickEvent event) {
049                ValueChangeEvent.fireIfNotEqual(simpleRadioButton, oldValue,
050                        simpleRadioButton.getValue());
051            }
052    
053            @Override
054            public void onKeyDown(KeyDownEvent event) {
055                oldValue = simpleRadioButton.getValue();
056            }
057    
058            @Override
059            public void onBlur(BlurEvent event) {
060                oldValue = simpleRadioButton.getValue();
061            }
062    
063            @Override
064            public void onMouseUp(MouseUpEvent event) {
065                oldValue = simpleRadioButton.getValue();
066            }
067    
068        }
069    
070        @Override
071        public void ensureDomEventHandlers(SimpleRadioButton simpleRadioButton) {
072            Handler handler = new Handler(simpleRadioButton);
073            simpleRadioButton.addClickHandler(handler);
074            simpleRadioButton.addMouseUpHandler(handler);
075            simpleRadioButton.addBlurHandler(handler);
076            simpleRadioButton.addKeyDownHandler(handler);
077        }
078    
079    }