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.portal.util.PortalUtil;
030    import com.liferay.taglib.aui.base.BaseNavTag;
031    
032    import javax.portlet.PortletResponse;
033    
034    import javax.servlet.http.HttpServletRequest;
035    import javax.servlet.jsp.JspException;
036    import javax.servlet.jsp.tagext.BodyTag;
037    
038    /**
039     * @author Eduardo Lundgren
040     * @author Bruno Basto
041     * @author Nathan Cavanaugh
042     * @author Julio Camarero
043     */
044    public class NavTag extends BaseNavTag implements BodyTag {
045    
046            @Override
047            public int doStartTag() throws JspException {
048                    NavBarTag navBarTag = (NavBarTag)findAncestorWithClass(
049                            this, NavBarTag.class);
050    
051                    if ((navBarTag != null) &&
052                            (!_calledCollapsibleSetter || getCollapsible())) {
053    
054                            setCollapsible(true);
055    
056                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
057                                    WebKeys.THEME_DISPLAY);
058    
059                            StringBundler sb = navBarTag.getResponsiveButtonsSB();
060    
061                            sb.append("<a class=\"btn navbar-btn navbar-toggle");
062    
063                            String cssClass = getCssClass();
064    
065                            if (Validator.isNotNull(cssClass)) {
066                                    String[] cssClassParts = StringUtil.split(
067                                            cssClass, CharPool.SPACE);
068    
069                                    for (int i = 0; i < cssClassParts.length; i++) {
070                                            sb.append(StringPool.SPACE);
071                                            sb.append(cssClassParts[i]);
072                                            sb.append("-btn");
073                                    }
074                            }
075    
076                            if (_hasSearchResults()) {
077                                    sb.append(" hide");
078                            }
079    
080                            sb.append("\" id=\"");
081                            sb.append(_getNamespacedId());
082                            sb.append("NavbarBtn\" ");
083                            sb.append("data-navId=\"");
084                            sb.append(_getNamespacedId());
085                            sb.append("\" tabindex=\"0\">");
086    
087                            String icon = getIcon();
088    
089                            if (Validator.isNull(icon)) {
090                                    sb.append("<i class=\"icon-reorder\"></i>");
091                            }
092                            else if (icon.equals("user") && themeDisplay.isSignedIn()) {
093                                    try {
094                                            User user = themeDisplay.getUser();
095    
096                                            sb.append("<img alt=\"");
097                                            sb.append(LanguageUtil.get(request, "my-account"));
098                                            sb.append("\" class=\"user-avatar-image\" ");
099                                            sb.append("src=\"");
100                                            sb.append(user.getPortraitURL(themeDisplay));
101                                            sb.append("\">");
102                                    }
103                                    catch (Exception e) {
104                                            throw new JspException(e);
105                                    }
106                            }
107                            else {
108                                    sb.append("<i class=\"icon-");
109                                    sb.append(icon);
110                                    sb.append("\"></i>");
111                            }
112    
113                            sb.append("</a>");
114                    }
115    
116                    return super.doStartTag();
117            }
118    
119            @Override
120            public void setCollapsible(boolean collapsible) {
121                    super.setCollapsible(collapsible);
122    
123                    _calledCollapsibleSetter = true;
124            }
125    
126            @Override
127            protected void cleanUp() {
128                    super.cleanUp();
129    
130                    _calledCollapsibleSetter = false;
131                    _namespacedId = null;
132            }
133    
134            @Override
135            protected int processStartTag() throws Exception {
136                    return EVAL_BODY_BUFFERED;
137            }
138    
139            @Override
140            protected void setAttributes(HttpServletRequest request) {
141                    super.setAttributes(request);
142    
143                    setNamespacedAttribute(request, "id", _getNamespacedId());
144            }
145    
146            private String _getNamespacedId() {
147                    if (Validator.isNotNull(_namespacedId)) {
148                            return _namespacedId;
149                    }
150    
151                    _namespacedId = getId();
152    
153                    HttpServletRequest request =
154                            (HttpServletRequest)pageContext.getRequest();
155    
156                    if (Validator.isNull(_namespacedId)) {
157                            _namespacedId = PortalUtil.getUniqueElementId(
158                                    request, StringPool.BLANK, AUIUtil.normalizeId("navTag"));
159                    }
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    }