1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
13   */
14  
15  package com.liferay.taglib.ui;
16  
17  import com.liferay.portal.kernel.servlet.PortalIncludeUtil;
18  import com.liferay.portal.kernel.util.IntegerWrapper;
19  import com.liferay.portal.kernel.util.ServerDetector;
20  import com.liferay.portal.kernel.util.StringPool;
21  import com.liferay.portal.kernel.util.Validator;
22  
23  import javax.servlet.http.HttpServletRequest;
24  import javax.servlet.jsp.JspException;
25  import javax.servlet.jsp.tagext.BodyContent;
26  import javax.servlet.jsp.tagext.BodyTagSupport;
27  
28  /**
29   * <a href="IconMenuTag.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class IconMenuTag extends BodyTagSupport {
34  
35      public int doAfterBody() {
36          BodyContent bodyContent = getBodyContent();
37  
38          _bodyContentString = bodyContent.getString();
39  
40          HttpServletRequest request =
41              (HttpServletRequest)pageContext.getRequest();
42  
43          IntegerWrapper iconCount = (IntegerWrapper)request.getAttribute(
44              "liferay-ui:icon-menu:icon-count");
45  
46          Boolean singleIcon = (Boolean)request.getAttribute(
47              "liferay-ui:icon-menu:single-icon");
48  
49          if ((iconCount != null) && (iconCount.getValue() == 1) &&
50              (singleIcon == null)) {
51  
52              bodyContent.clearBody();
53  
54              request.setAttribute(
55                  "liferay-ui:icon-menu:single-icon", Boolean.TRUE);
56  
57              return EVAL_BODY_AGAIN;
58          }
59          else {
60              return SKIP_BODY;
61          }
62      }
63  
64      public int doEndTag() throws JspException {
65          try {
66              HttpServletRequest request =
67                  (HttpServletRequest)pageContext.getRequest();
68  
69              IntegerWrapper iconCount = (IntegerWrapper)request.getAttribute(
70                  "liferay-ui:icon-menu:icon-count");
71  
72              request.removeAttribute("liferay-ui:icon-menu:icon-count");
73  
74              Boolean singleIcon = (Boolean)request.getAttribute(
75                  "liferay-ui:icon-menu:single-icon");
76  
77              request.removeAttribute("liferay-ui:icon-menu:single-icon");
78  
79              if ((iconCount != null) && (iconCount.getValue() >= 1) &&
80                  ((singleIcon == null) || _showWhenSingleIcon)) {
81  
82                  PortalIncludeUtil.include(pageContext, getStartPage());
83              }
84  
85              pageContext.getOut().print(_bodyContentString);
86  
87              if ((iconCount != null) && (iconCount.getValue() >= 1) &&
88                  ((singleIcon == null) || _showWhenSingleIcon)) {
89  
90                  PortalIncludeUtil.include(pageContext, getEndPage());
91              }
92  
93              request.removeAttribute("liferay-ui:icon-menu:align");
94              request.removeAttribute("liferay-ui:icon-menu:cssClass");
95              request.removeAttribute("liferay-ui:icon-menu:message");
96              request.removeAttribute("liferay-ui:icon-menu:showExpanded");
97              request.removeAttribute("liferay-ui:icon-menu:showWhenSingleIcon");
98  
99              return EVAL_PAGE;
100         }
101         catch (Exception e) {
102             throw new JspException(e);
103         }
104         finally {
105             if (!ServerDetector.isResin()) {
106                 _align = "right";
107                 _bodyContentString = StringPool.BLANK;
108                 _cssClass = null;
109                 _endPage = null;
110                 _message = "actions";
111                 _showExpanded = false;
112                 _showWhenSingleIcon = false;
113                 _startPage = null;
114             }
115         }
116     }
117 
118     public int doStartTag() {
119         HttpServletRequest request =
120             (HttpServletRequest)pageContext.getRequest();
121 
122         request.setAttribute("liferay-ui:icon-menu:align", _align);
123         request.setAttribute("liferay-ui:icon-menu:cssClass", _cssClass);
124         request.setAttribute(
125             "liferay-ui:icon-menu:icon-count", new IntegerWrapper());
126         request.setAttribute("liferay-ui:icon-menu:message", _message);
127         request.setAttribute(
128             "liferay-ui:icon-menu:showExpanded",String.valueOf(_showExpanded));
129         request.setAttribute(
130             "liferay-ui:icon-menu:showWhenSingleIcon",
131             String.valueOf(_showWhenSingleIcon));
132 
133         return EVAL_BODY_BUFFERED;
134     }
135 
136     public String getEndPage() {
137         if (Validator.isNull(_endPage)) {
138             return _END_PAGE;
139         }
140         else {
141             return _endPage;
142         }
143     }
144 
145     public String getStartPage() {
146         if (Validator.isNull(_startPage)) {
147             return _START_PAGE;
148         }
149         else {
150             return _startPage;
151         }
152     }
153 
154     public void setAlign(String align) {
155         _align = align;
156     }
157 
158     public void setCssClass(String cssClass) {
159         _cssClass = cssClass;
160     }
161 
162     public void setEndPage(String endPage) {
163         _endPage = endPage;
164     }
165 
166     public void setMessage(String message) {
167         _message = message;
168     }
169 
170     public void setShowExpanded(boolean showExpanded) {
171         _showExpanded = showExpanded;
172     }
173 
174     public void setShowWhenSingleIcon(boolean showWhenSingleIcon) {
175         _showWhenSingleIcon = showWhenSingleIcon;
176     }
177 
178     public void setStartPage(String startPage) {
179         _startPage = startPage;
180     }
181 
182     private static final String _END_PAGE = "/html/taglib/ui/icon_menu/end.jsp";
183 
184     private static final String _START_PAGE =
185         "/html/taglib/ui/icon_menu/start.jsp";
186 
187     private String _align = "right";
188     private String _bodyContentString = StringPool.BLANK;
189     private String _cssClass;
190     private String _endPage;
191     private String _message = "actions";
192     private boolean _showExpanded;
193     private boolean _showWhenSingleIcon;
194     private String _startPage;
195 
196 }