001    package org.gwtbootstrap3.client.ui;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 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    
023    import org.gwtbootstrap3.client.ui.base.HasResponsiveness;
024    import org.gwtbootstrap3.client.ui.base.helper.StyleHelper;
025    import org.gwtbootstrap3.client.ui.constants.DeviceSize;
026    import org.gwtbootstrap3.client.ui.constants.Styles;
027    
028    import com.google.gwt.dom.client.Document;
029    import com.google.gwt.user.client.ui.HasText;
030    import com.google.gwt.user.client.ui.Widget;
031    
032    /**
033     * Header element within {@link DropDownMenu}
034     * <p/>
035     * <h3>UiBinder example</h3>
036     * <p/>
037     * <pre>
038     * {@code
039     *     <b:DropDownMenu>
040     *         <b:DropDownHeader>Header 1</b:DropDownHeader>
041     *         <b:AnchorListItem>Action 1</b:AnchorListItem>
042     *         <b:AnchorListItem>Action 2</b:AnchorListItem>
043     *         <b:DropDownHeader>Header 2</b:DropDownHeader>
044     *         <b:AnchorListItem>Action 3</b:AnchorListItem>
045     *         <b:AnchorListItem>Action 4</b:AnchorListItem>
046     *     </b:DropDownMenu>
047     * }
048     * </pre>
049     *
050     * @author Sven Jacobs
051     * @author Joshua Godi
052     */
053    public class DropDownHeader extends Widget implements HasText, HasResponsiveness {
054    
055        public DropDownHeader() {
056            setElement(Document.get().createLIElement());
057            setStyleName(Styles.DROPDOWN_HEADER);
058        }
059    
060        public DropDownHeader(final String text) {
061            this();
062            setText(text);
063        }
064    
065        @Override
066        public void setText(final String text) {
067            getElement().setInnerText(text);
068        }
069    
070        @Override
071        public String getText() {
072            return getElement().getInnerText();
073        }
074    
075        @Override
076        public void setVisibleOn(final DeviceSize deviceSize) {
077            StyleHelper.setVisibleOn(this, deviceSize);
078        }
079    
080        @Override
081        public void setHiddenOn(final DeviceSize deviceSize) {
082            StyleHelper.setHiddenOn(this, deviceSize);
083        }
084    }