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="IconListTag.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class IconListTag 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-list:icon-count");
45  
46          Boolean singleIcon = (Boolean)request.getAttribute(
47              "liferay-ui:icon-list: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-list: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-list:icon-count");
71  
72              request.removeAttribute("liferay-ui:icon-list:icon-count");
73  
74              Boolean singleIcon = (Boolean)request.getAttribute(
75                  "liferay-ui:icon-list:single-icon");
76  
77              request.removeAttribute("liferay-ui:icon-list: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-list:showWhenSingleIcon");
94  
95              return EVAL_PAGE;
96          }
97          catch (Exception e) {
98              throw new JspException(e);
99          }
100         finally {
101             if (!ServerDetector.isResin()) {
102                 _bodyContentString = StringPool.BLANK;
103                 _endPage = null;
104                 _showWhenSingleIcon = false;
105                 _startPage = null;
106             }
107         }
108     }
109 
110     public int doStartTag() {
111         HttpServletRequest request =
112             (HttpServletRequest)pageContext.getRequest();
113 
114         request.setAttribute(
115             "liferay-ui:icon-list:icon-count", new IntegerWrapper());
116         request.setAttribute(
117             "liferay-ui:icon-list:showWhenSingleIcon",
118             String.valueOf(_showWhenSingleIcon));
119 
120         return EVAL_BODY_BUFFERED;
121     }
122 
123     public String getEndPage() {
124         if (Validator.isNull(_endPage)) {
125             return _END_PAGE;
126         }
127         else {
128             return _endPage;
129         }
130     }
131 
132     public String getStartPage() {
133         if (Validator.isNull(_startPage)) {
134             return _START_PAGE;
135         }
136         else {
137             return _startPage;
138         }
139     }
140 
141     public void setEndPage(String endPage) {
142         _endPage = endPage;
143     }
144 
145     public void setShowWhenSingleIcon(boolean showWhenSingleIcon) {
146         _showWhenSingleIcon = showWhenSingleIcon;
147     }
148 
149     public void setStartPage(String startPage) {
150         _startPage = startPage;
151     }
152 
153     private static final String _END_PAGE = "/html/taglib/ui/icon_list/end.jsp";
154 
155     private static final String _START_PAGE =
156         "/html/taglib/ui/icon_list/start.jsp";
157 
158     private String _bodyContentString = StringPool.BLANK;
159     private String _endPage;
160     private boolean _showWhenSingleIcon = false;
161     private String _startPage;
162 
163 }