001package 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
023import org.gwtbootstrap3.client.ui.base.HasPull;
024import org.gwtbootstrap3.client.ui.base.mixin.PullMixin;
025import org.gwtbootstrap3.client.ui.constants.Attributes;
026import org.gwtbootstrap3.client.ui.constants.Pull;
027import org.gwtbootstrap3.client.ui.constants.Styles;
028import org.gwtbootstrap3.client.ui.html.UnorderedList;
029
030/**
031 * Container for drop down menu items.
032 * <p/>
033 * <strong>Must</strong> be encapsulated in a {@link ButtonGroup} to build button dropdowns.
034 *
035 * @author Sven Jacobs
036 * @see ButtonGroup
037 */
038public class DropDownMenu extends UnorderedList implements HasPull {
039    private static final String MENU = "menu";
040
041    private final PullMixin<DropDownMenu> pullMixin = new PullMixin<DropDownMenu>(this);
042
043    public DropDownMenu() {
044        setStyleName(Styles.DROPDOWN_MENU);
045        getElement().setAttribute(Attributes.ROLE, MENU);
046    }
047
048    @Override
049    public void setPull(final Pull pull) {
050        pullMixin.setPull(pull);
051    }
052
053    @Override
054    public Pull getPull() {
055        return pullMixin.getPull();
056    }
057}