001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.taglib.aui;
016    
017    import com.liferay.portal.kernel.util.JavaConstants;
018    import com.liferay.portal.kernel.util.StringBundler;
019    import com.liferay.portal.kernel.util.StringUtil;
020    import com.liferay.portal.kernel.util.Validator;
021    import com.liferay.taglib.aui.base.BaseNavTag;
022    
023    import javax.portlet.PortletResponse;
024    
025    import javax.servlet.http.HttpServletRequest;
026    import javax.servlet.jsp.JspException;
027    
028    /**
029     * @author Eduardo Lundgren
030     * @author Bruno Basto
031     * @author Nathan Cavanaugh
032     * @author Julio Camarero
033     */
034    public class NavTag extends BaseNavTag {
035    
036            @Override
037            public int doStartTag() throws JspException {
038                    NavBarTag navBarTag = (NavBarTag)findAncestorWithClass(
039                            this, NavBarTag.class);
040    
041                    if ((navBarTag != null) &&
042                            (!_calledCollapsibleSetter || getCollapsible())) {
043    
044                            setCollapsible(true);
045    
046                            StringBundler sb = navBarTag.getResponsiveButtonsSB();
047    
048                            sb.append("<a class=\"btn btn-navbar\" id=\"");
049                            sb.append(_getNamespacedId());
050                            sb.append("NavbarBtn\" ");
051                            sb.append("data-navId=\"");
052                            sb.append(_getNamespacedId());
053                            sb.append("\">");
054    
055                            String icon = getIcon();
056    
057                            if (Validator.isNull(icon)) {
058                                    sb.append("<span class=\"icon-bar\"></span>");
059                                    sb.append("<span class=\"icon-bar\"></span>");
060                                    sb.append("<span class=\"icon-bar\"></span>");
061                            }
062                            else {
063                                    sb.append("<i class=\"icon-");
064                                    sb.append(icon);
065                                    sb.append("\"></i>");
066                            }
067    
068                            sb.append("</a>");
069                    }
070    
071                    return super.doStartTag();
072            }
073    
074            @Override
075            public void setCollapsible(boolean collapsible) {
076                    super.setCollapsible(collapsible);
077    
078                    _calledCollapsibleSetter = true;
079            }
080    
081            @Override
082            protected void cleanUp() {
083                    super.cleanUp();
084    
085                    _calledCollapsibleSetter = false;
086                    _namespacedId = null;
087            }
088    
089            @Override
090            protected void setAttributes(HttpServletRequest request) {
091                    super.setAttributes(request);
092    
093                    setNamespacedAttribute(request, "id", _getNamespacedId());
094            }
095    
096            private String _getNamespacedId() {
097                    if (Validator.isNotNull(_namespacedId)) {
098                            return _namespacedId;
099                    }
100    
101                    _namespacedId = getId();
102    
103                    if (Validator.isNull(_namespacedId)) {
104                            _namespacedId = StringUtil.randomId();
105                    }
106    
107                    HttpServletRequest request =
108                            (HttpServletRequest)pageContext.getRequest();
109    
110                    PortletResponse portletResponse = (PortletResponse)request.getAttribute(
111                            JavaConstants.JAVAX_PORTLET_RESPONSE);
112    
113                    if ((portletResponse != null) && getUseNamespace()) {
114                            _namespacedId = portletResponse.getNamespace() + _namespacedId;
115                    }
116    
117                    return _namespacedId;
118            }
119    
120            private boolean _calledCollapsibleSetter;
121            private String _namespacedId;
122    
123    }