001package gwt.material.design.client.ui;
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 gwt.material.design.client.base.MaterialWidget;
024
025import com.google.gwt.dom.client.Document;
026import gwt.material.design.client.base.mixin.CssNameMixin;
027import gwt.material.design.client.constants.LoaderSize;
028
029//@formatter:off
030/**
031* Material Preloader is a wrapper for Material Spinner which handle multiple flashing circular loaders
032*
033* <h3>Java Usage:</h3>
034* <pre>
035* {@code
036* 
037* MaterialLoader.showLoading(true);
038* 
039* }
040*<pre>
041* @author kevzlou7979
042* @author Ben Dol
043* @see <a href="http://gwt-material-demo.herokuapp.com/#loaders">Material PreLoader</a>
044*/
045//@formatter:on
046public class MaterialPreLoader extends MaterialWidget {
047
048    private final CssNameMixin<MaterialPreLoader, LoaderSize> sizeMixin = new CssNameMixin<>(this);
049
050
051    public MaterialPreLoader() {
052        super(Document.get().createDivElement(), "preloader-wrapper", "active");
053    }
054
055    /**
056     * Sets the size of the pre loader.
057     */
058    public void setSize(LoaderSize size) {
059        sizeMixin.setCssName(size);
060    }
061
062    public LoaderSize getSize() {
063        return sizeMixin.getCssName();
064    }
065}