org.unitime.timetable.gwt.client.aria.AriaCheckBox.java Source code

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Here is the source code for org.unitime.timetable.gwt.client.aria.AriaCheckBox.java

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/*
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * The Apereo Foundation licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
*/
package org.unitime.timetable.gwt.client.aria;

import com.google.gwt.aria.client.Id;
import com.google.gwt.aria.client.Roles;
import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.CheckBox;

/**
 * @author Tomas Muller
 */
public class AriaCheckBox extends CheckBox implements HasAriaLabel {
    Element iAriaLabel;

    public AriaCheckBox() {
        this(DOM.createInputCheck());
    }

    public AriaCheckBox(Element elem) {
        super(elem);

        iAriaLabel = DOM.createLabel();
        iAriaLabel.setId(DOM.createUniqueId());
        iAriaLabel.setClassName("unitime-AriaLabel");
        DOM.appendChild(getElement(), iAriaLabel);
        Roles.getCheckboxRole().setAriaLabelledbyProperty(elem, Id.of(iAriaLabel));
    }

    @Override
    public void setAriaLabel(String text) {
        iAriaLabel.setInnerText(text == null ? "" : text);
    }

    @Override
    public String getAriaLabel() {
        return iAriaLabel.getInnerText();
    }
}