001/*
002 * #%L
003 * GwtMaterial
004 * %%
005 * Copyright (C) 2015 - 2017 GwtMaterialDesign
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.client.base.mixin;
021
022import com.google.gwt.user.client.ui.UIObject;
023import gwt.material.design.client.base.helper.StyleHelper;
024
025/**
026 * @author Ben Dol
027 */
028public class ToggleStyleMixin<H extends UIObject> extends AbstractMixin<H> {
029
030    private String style;
031
032    public ToggleStyleMixin(final H widget, String style) {
033        super(widget);
034
035        assert !style.isEmpty() : "Style name cannot be empty";
036
037        this.style = style;
038    }
039
040    public void setOn(boolean on) {
041        uiObject.removeStyleName(style);
042        if (on) {
043            uiObject.addStyleName(style);
044        }
045    }
046
047    public boolean isOn() {
048        return StyleHelper.containsStyle(uiObject.getStyleName(), style);
049    }
050}