001package 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
023import org.gwtbootstrap3.client.ui.SimpleRadioButton;
024
025import com.google.gwt.event.dom.client.BlurEvent;
026import com.google.gwt.event.dom.client.BlurHandler;
027import com.google.gwt.event.dom.client.ClickEvent;
028import com.google.gwt.event.dom.client.ClickHandler;
029import com.google.gwt.event.dom.client.KeyDownEvent;
030import com.google.gwt.event.dom.client.KeyDownHandler;
031import com.google.gwt.event.dom.client.MouseUpEvent;
032import com.google.gwt.event.dom.client.MouseUpHandler;
033import com.google.gwt.event.logical.shared.ValueChangeEvent;
034import com.google.gwt.user.client.ui.SimpleCheckBox;
035
036public 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}