001package gwt.material.design.client.base.mixin;
002
003/*
004 * #%L
005 * GwtMaterial
006 * %%
007 * Copyright (C) 2015 GwtMaterialDesign
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 com.google.gwt.user.client.ui.UIObject;
024import gwt.material.design.client.base.helper.StyleHelper;
025
026/**
027 * @author Ben Dol
028 */
029public class ToggleStyleMixin<H extends UIObject> extends AbstractMixin<H> {
030
031    private String style;
032
033    public ToggleStyleMixin(final H widget, String style) {
034        super(widget);
035
036        assert !style.isEmpty() : "Style name cannot be empty";
037
038        this.style = style;
039    }
040
041    public void setOn(boolean on) {
042        uiObject.removeStyleName(style);
043        if(on) {
044            uiObject.addStyleName(style);
045        }
046    }
047
048    public boolean isOn() {
049        return StyleHelper.containsStyle(uiObject.getStyleName(), style);
050    }
051}