001    /**
002     * Copyright (c) 2000-present 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.dao.search.DisplayTerms;
018    import com.liferay.portal.kernel.dao.search.SearchContainer;
019    import com.liferay.portal.kernel.language.LanguageUtil;
020    import com.liferay.portal.kernel.util.CharPool;
021    import com.liferay.portal.kernel.util.JavaConstants;
022    import com.liferay.portal.kernel.util.StringBundler;
023    import com.liferay.portal.kernel.util.StringPool;
024    import com.liferay.portal.kernel.util.StringUtil;
025    import com.liferay.portal.kernel.util.Validator;
026    import com.liferay.portal.kernel.util.WebKeys;
027    import com.liferay.portal.model.User;
028    import com.liferay.portal.theme.ThemeDisplay;
029    import com.liferay.taglib.aui.base.BaseNavTag;
030    
031    import javax.portlet.PortletResponse;
032    
033    import javax.servlet.http.HttpServletRequest;
034    import javax.servlet.jsp.JspException;
035    import javax.servlet.jsp.tagext.BodyTag;
036    
037    /**
038     * @author Eduardo Lundgren
039     * @author Bruno Basto
040     * @author Nathan Cavanaugh
041     * @author Julio Camarero
042     */
043    public class NavTag extends BaseNavTag implements BodyTag {
044    
045            @Override
046            public int doStartTag() throws JspException {
047                    NavBarTag navBarTag = (NavBarTag)findAncestorWithClass(
048                            this, NavBarTag.class);
049    
050                    if ((navBarTag != null) &&
051                            (!_calledCollapsibleSetter || getCollapsible())) {
052    
053                            setCollapsible(true);
054    
055                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
056                                    WebKeys.THEME_DISPLAY);
057    
058                            StringBundler sb = navBarTag.getResponsiveButtonsSB();
059    
060                            sb.append("<a class=\"btn navbar-btn navbar-toggle");
061    
062                            String cssClass = getCssClass();
063    
064                            if (Validator.isNotNull(cssClass)) {
065                                    String[] cssClassParts = StringUtil.split(
066                                            cssClass, CharPool.SPACE);
067    
068                                    for (int i = 0; i < cssClassParts.length; i++) {
069                                            sb.append(StringPool.SPACE);
070                                            sb.append(cssClassParts[i]);
071                                            sb.append("-btn");
072                                    }
073                            }
074    
075                            if (_hasSearchResults()) {
076                                    sb.append(" hide");
077                            }
078    
079                            sb.append("\" id=\"");
080                            sb.append(_getNamespacedId());
081                            sb.append("NavbarBtn\" ");
082                            sb.append("data-navId=\"");
083                            sb.append(_getNamespacedId());
084                            sb.append("\" tabindex=\"0\">");
085    
086                            String icon = getIcon();
087    
088                            if (Validator.isNull(icon)) {
089                                    sb.append("<span class=\"icon-bar\"></span>");
090                                    sb.append("<span class=\"icon-bar\"></span>");
091                                    sb.append("<span class=\"icon-bar\"></span>");
092                            }
093                            else if (icon.equals("user") && themeDisplay.isSignedIn()) {
094                                    try {
095                                            User user = themeDisplay.getUser();
096    
097                                            sb.append("<img alt=\"");
098                                            sb.append(LanguageUtil.get(request, "my-account"));
099                                            sb.append("\" class=\"user-avatar-image\" ");
100                                            sb.append("src=\"");
101                                            sb.append(user.getPortraitURL(themeDisplay));
102                                            sb.append("\">");
103                                    }
104                                    catch (Exception e) {
105                                            throw new JspException(e);
106                                    }
107                            }
108                            else {
109                                    sb.append("<i class=\"icon-");
110                                    sb.append(icon);
111                                    sb.append("\"></i>");
112                            }
113    
114                            sb.append("</a>");
115                    }
116    
117                    return super.doStartTag();
118            }
119    
120            @Override
121            public void setCollapsible(boolean collapsible) {
122                    super.setCollapsible(collapsible);
123    
124                    _calledCollapsibleSetter = true;
125            }
126    
127            @Override
128            protected void cleanUp() {
129                    super.cleanUp();
130    
131                    _calledCollapsibleSetter = false;
132                    _namespacedId = null;
133            }
134    
135            @Override
136            protected int processStartTag() throws Exception {
137                    return EVAL_BODY_BUFFERED;
138            }
139    
140            @Override
141            protected void setAttributes(HttpServletRequest request) {
142                    super.setAttributes(request);
143    
144                    setNamespacedAttribute(request, "id", _getNamespacedId());
145            }
146    
147            private String _getNamespacedId() {
148                    if (Validator.isNotNull(_namespacedId)) {
149                            return _namespacedId;
150                    }
151    
152                    _namespacedId = getId();
153    
154                    if (Validator.isNull(_namespacedId)) {
155                            _namespacedId = StringUtil.randomId();
156                    }
157    
158                    HttpServletRequest request =
159                            (HttpServletRequest)pageContext.getRequest();
160    
161                    PortletResponse portletResponse = (PortletResponse)request.getAttribute(
162                            JavaConstants.JAVAX_PORTLET_RESPONSE);
163    
164                    if ((portletResponse != null) && getUseNamespace()) {
165                            _namespacedId = portletResponse.getNamespace() + _namespacedId;
166                    }
167    
168                    return _namespacedId;
169            }
170    
171            private boolean _hasSearchResults() {
172                    SearchContainer<?> searchContainer = getSearchContainer();
173    
174                    if (searchContainer == null) {
175                            return false;
176                    }
177    
178                    DisplayTerms displayTerms = searchContainer.getDisplayTerms();
179    
180                    String keywords = displayTerms.getKeywords();
181    
182                    if (displayTerms.isAdvancedSearch() ||
183                            !keywords.equals(StringPool.BLANK)) {
184    
185                            return true;
186                    }
187    
188                    return false;
189            }
190    
191            private boolean _calledCollapsibleSetter;
192            private String _namespacedId;
193    
194    }