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.language.LanguageUtil;
018    import com.liferay.portal.kernel.util.JavaConstants;
019    import com.liferay.portal.kernel.util.StringBundler;
020    import com.liferay.portal.kernel.util.StringUtil;
021    import com.liferay.portal.kernel.util.Validator;
022    import com.liferay.portal.model.User;
023    import com.liferay.portal.theme.ThemeDisplay;
024    import com.liferay.taglib.aui.base.BaseNavTag;
025    
026    import javax.portlet.PortletResponse;
027    
028    import javax.servlet.http.HttpServletRequest;
029    import javax.servlet.jsp.JspException;
030    
031    /**
032     * @author Eduardo Lundgren
033     * @author Bruno Basto
034     * @author Nathan Cavanaugh
035     * @author Julio Camarero
036     */
037    public class NavTag extends BaseNavTag {
038    
039            @Override
040            public int doStartTag() throws JspException {
041                    NavBarTag navBarTag = (NavBarTag)findAncestorWithClass(
042                            this, NavBarTag.class);
043    
044                    if ((navBarTag != null) &&
045                            (!_calledCollapsibleSetter || getCollapsible())) {
046    
047                            setCollapsible(true);
048    
049                            ThemeDisplay themeDisplay = (ThemeDisplay)pageContext.getAttribute(
050                                    "themeDisplay");
051    
052                            StringBundler sb = navBarTag.getResponsiveButtonsSB();
053    
054                            sb.append("<a class=\"btn btn-navbar\" id=\"");
055                            sb.append(_getNamespacedId());
056                            sb.append("NavbarBtn\" ");
057                            sb.append("data-navId=\"");
058                            sb.append(_getNamespacedId());
059                            sb.append("\" tabindex=\"0\">");
060    
061                            String icon = getIcon();
062    
063                            if (Validator.isNull(icon)) {
064                                    sb.append("<span class=\"icon-bar\"></span>");
065                                    sb.append("<span class=\"icon-bar\"></span>");
066                                    sb.append("<span class=\"icon-bar\"></span>");
067                            }
068                            else if (icon.equals("user") && themeDisplay.isSignedIn()) {
069                                    try {
070                                            User user = themeDisplay.getUser();
071    
072                                            sb.append("<img alt=\"");
073                                            sb.append(LanguageUtil.get(pageContext, "my-account"));
074                                            sb.append("\" class=\"user-avatar-image\" ");
075                                            sb.append("src=\"");
076                                            sb.append(user.getPortraitURL(themeDisplay));
077                                            sb.append("\">");
078                                    }
079                                    catch (Exception e) {
080                                            throw new JspException(e);
081                                    }
082                            }
083                            else {
084                                    sb.append("<i class=\"icon-");
085                                    sb.append(icon);
086                                    sb.append("\"></i>");
087                            }
088    
089                            sb.append("</a>");
090                    }
091    
092                    return super.doStartTag();
093            }
094    
095            @Override
096            public void setCollapsible(boolean collapsible) {
097                    super.setCollapsible(collapsible);
098    
099                    _calledCollapsibleSetter = true;
100            }
101    
102            @Override
103            protected void cleanUp() {
104                    super.cleanUp();
105    
106                    _calledCollapsibleSetter = false;
107                    _namespacedId = null;
108            }
109    
110            @Override
111            protected void setAttributes(HttpServletRequest request) {
112                    super.setAttributes(request);
113    
114                    setNamespacedAttribute(request, "id", _getNamespacedId());
115            }
116    
117            private String _getNamespacedId() {
118                    if (Validator.isNotNull(_namespacedId)) {
119                            return _namespacedId;
120                    }
121    
122                    _namespacedId = getId();
123    
124                    if (Validator.isNull(_namespacedId)) {
125                            _namespacedId = StringUtil.randomId();
126                    }
127    
128                    HttpServletRequest request =
129                            (HttpServletRequest)pageContext.getRequest();
130    
131                    PortletResponse portletResponse = (PortletResponse)request.getAttribute(
132                            JavaConstants.JAVAX_PORTLET_RESPONSE);
133    
134                    if ((portletResponse != null) && getUseNamespace()) {
135                            _namespacedId = portletResponse.getNamespace() + _namespacedId;
136                    }
137    
138                    return _namespacedId;
139            }
140    
141            private boolean _calledCollapsibleSetter;
142            private String _namespacedId;
143    
144    }