1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.ui;
24  
25  import com.liferay.portal.kernel.servlet.PortalIncludeUtil;
26  import com.liferay.portal.kernel.util.IntegerWrapper;
27  import com.liferay.portal.kernel.util.ServerDetector;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.kernel.util.Validator;
30  
31  import javax.servlet.http.HttpServletRequest;
32  import javax.servlet.jsp.JspException;
33  import javax.servlet.jsp.tagext.BodyContent;
34  import javax.servlet.jsp.tagext.BodyTagSupport;
35  
36  /**
37   * <a href="IconMenuTag.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   */
41  public class IconMenuTag extends BodyTagSupport {
42  
43      public int doAfterBody() {
44          BodyContent bodyContent = getBodyContent();
45  
46          _bodyContentString = bodyContent.getString();
47  
48          HttpServletRequest request =
49              (HttpServletRequest)pageContext.getRequest();
50  
51          IntegerWrapper iconCount = (IntegerWrapper)request.getAttribute(
52              "liferay-ui:icon-menu:icon-count");
53  
54          Boolean singleIcon = (Boolean)request.getAttribute(
55              "liferay-ui:icon-menu:single-icon");
56  
57          if ((iconCount != null) && (iconCount.getValue() == 1) &&
58              (singleIcon == null)) {
59  
60              bodyContent.clearBody();
61  
62              request.setAttribute(
63                  "liferay-ui:icon-menu:single-icon", Boolean.TRUE);
64  
65              return EVAL_BODY_AGAIN;
66          }
67          else {
68              return SKIP_BODY;
69          }
70      }
71  
72      public int doEndTag() throws JspException {
73          try {
74              HttpServletRequest request =
75                  (HttpServletRequest)pageContext.getRequest();
76  
77              IntegerWrapper iconCount = (IntegerWrapper)request.getAttribute(
78                  "liferay-ui:icon-menu:icon-count");
79  
80              request.removeAttribute("liferay-ui:icon-menu:icon-count");
81  
82              Boolean singleIcon = (Boolean)request.getAttribute(
83                  "liferay-ui:icon-menu:single-icon");
84  
85              request.removeAttribute("liferay-ui:icon-menu:single-icon");
86  
87              if ((iconCount != null) && (iconCount.getValue() >= 1) &&
88                  ((singleIcon == null) || _showWhenSingleIcon)) {
89  
90                  PortalIncludeUtil.include(pageContext, getStartPage());
91              }
92  
93              pageContext.getOut().print(_bodyContentString);
94  
95              if ((iconCount != null) && (iconCount.getValue() >= 1) &&
96                  ((singleIcon == null) || _showWhenSingleIcon)) {
97  
98                  PortalIncludeUtil.include(pageContext, getEndPage());
99              }
100 
101             request.removeAttribute("liferay-ui:icon-menu:align");
102             request.removeAttribute("liferay-ui:icon-menu:cssClass");
103             request.removeAttribute("liferay-ui:icon-menu:message");
104             request.removeAttribute("liferay-ui:icon-menu:showExpanded");
105             request.removeAttribute("liferay-ui:icon-menu:showWhenSingleIcon");
106 
107             return EVAL_PAGE;
108         }
109         catch (Exception e) {
110             throw new JspException(e);
111         }
112         finally {
113             if (!ServerDetector.isResin()) {
114                 _align = "right";
115                 _bodyContentString = StringPool.BLANK;
116                 _cssClass = null;
117                 _endPage = null;
118                 _message = "actions";
119                 _showExpanded = false;
120                 _showWhenSingleIcon = false;
121                 _startPage = null;
122             }
123         }
124     }
125 
126     public int doStartTag() {
127         HttpServletRequest request =
128             (HttpServletRequest)pageContext.getRequest();
129 
130         request.setAttribute("liferay-ui:icon-menu:align", _align);
131         request.setAttribute("liferay-ui:icon-menu:cssClass", _cssClass);
132         request.setAttribute(
133             "liferay-ui:icon-menu:icon-count", new IntegerWrapper());
134         request.setAttribute("liferay-ui:icon-menu:message", _message);
135         request.setAttribute(
136             "liferay-ui:icon-menu:showExpanded",String.valueOf(_showExpanded));
137         request.setAttribute(
138             "liferay-ui:icon-menu:showWhenSingleIcon",
139             String.valueOf(_showWhenSingleIcon));
140 
141         return EVAL_BODY_BUFFERED;
142     }
143 
144     public String getEndPage() {
145         if (Validator.isNull(_endPage)) {
146             return _END_PAGE;
147         }
148         else {
149             return _endPage;
150         }
151     }
152 
153     public String getStartPage() {
154         if (Validator.isNull(_startPage)) {
155             return _START_PAGE;
156         }
157         else {
158             return _startPage;
159         }
160     }
161 
162     public void setAlign(String align) {
163         _align = align;
164     }
165 
166     public void setCssClass(String cssClass) {
167         _cssClass = cssClass;
168     }
169 
170     public void setEndPage(String endPage) {
171         _endPage = endPage;
172     }
173 
174     public void setMessage(String message) {
175         _message = message;
176     }
177 
178     public void setShowExpanded(boolean showExpanded) {
179         _showExpanded = showExpanded;
180     }
181 
182     public void setShowWhenSingleIcon(boolean showWhenSingleIcon) {
183         _showWhenSingleIcon = showWhenSingleIcon;
184     }
185 
186     public void setStartPage(String startPage) {
187         _startPage = startPage;
188     }
189 
190     private static final String _END_PAGE = "/html/taglib/ui/icon_menu/end.jsp";
191 
192     private static final String _START_PAGE =
193         "/html/taglib/ui/icon_menu/start.jsp";
194 
195     private String _align = "right";
196     private String _bodyContentString = StringPool.BLANK;
197     private String _cssClass;
198     private String _endPage;
199     private String _message = "actions";
200     private boolean _showExpanded;
201     private boolean _showWhenSingleIcon;
202     private String _startPage;
203 
204 }