001    /**
002     * Copyright (c) 2000-2012 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.ui;
016    
017    import com.liferay.portal.kernel.servlet.PortalIncludeUtil;
018    import com.liferay.portal.kernel.servlet.taglib.BaseBodyTagSupport;
019    import com.liferay.portal.kernel.util.IntegerWrapper;
020    import com.liferay.portal.kernel.util.StringPool;
021    import com.liferay.portal.kernel.util.Validator;
022    import com.liferay.util.PwdGenerator;
023    
024    import javax.servlet.http.HttpServletRequest;
025    import javax.servlet.jsp.JspException;
026    import javax.servlet.jsp.tagext.BodyTag;
027    
028    /**
029     * @author Brian Wing Shun Chan
030     */
031    public class PanelFloatingContainerTag
032            extends BaseBodyTagSupport implements BodyTag {
033    
034            @Override
035            public int doStartTag() {
036                    HttpServletRequest request =
037                            (HttpServletRequest)pageContext.getRequest();
038    
039                    if (Validator.isNull(_id)) {
040                            _id = PwdGenerator.getPassword(PwdGenerator.KEY3, 4);
041                    }
042    
043                    request.setAttribute("liferay-ui:panel-floating-container:id", _id);
044                    request.setAttribute(
045                            "liferay-ui:panel-floating-container:trigger", _trigger);
046                    request.setAttribute(
047                            "liferay-ui:panel-floating-container:accordion",
048                            String.valueOf(_accordion));
049                    request.setAttribute(
050                            "liferay-ui:panel-floating-container:persistState",
051                            String.valueOf(_persistState));
052                    request.setAttribute(
053                            "liferay-ui:panel-floating-container:paging",
054                            String.valueOf(_paging));
055                    request.setAttribute(
056                            "liferay-ui:panel-floating-container:pagingElements",
057                            _pagingElements);
058                    request.setAttribute(
059                            "liferay-ui:panel-floating-container:resultsPerPage",
060                            String.valueOf(_resultsPerPage));
061                    request.setAttribute(
062                            "liferay-ui:panel-floating-container:width",
063                            String.valueOf(_width));
064                    request.setAttribute(
065                            "liferay-ui:panel-floating-container:extended", _extended);
066                    request.setAttribute(
067                            "liferay-ui:panel-floating-container:cssClass", _cssClass);
068                    request.setAttribute(
069                            "liferay-ui:panel-container:panelCount" + _id,
070                            new IntegerWrapper());
071    
072                    return EVAL_BODY_BUFFERED;
073            }
074    
075            @Override
076            public int doAfterBody() {
077                    HttpServletRequest request =
078                            (HttpServletRequest)pageContext.getRequest();
079    
080                    IntegerWrapper panelCount = (IntegerWrapper)request.getAttribute(
081                            "liferay-ui:panel-container:panelCount" + _id);
082    
083                    if ((panelCount != null) && (panelCount.getValue() == 1)) {
084    
085                            bodyContent.clearBody();
086    
087                            return EVAL_BODY_AGAIN;
088                    }
089                    else {
090                            return SKIP_BODY;
091                    }
092            }
093    
094            @Override
095            public int doEndTag() throws JspException {
096                    try {
097                            HttpServletRequest request =
098                                    (HttpServletRequest)pageContext.getRequest();
099    
100                            IntegerWrapper panelCount = (IntegerWrapper)request.getAttribute(
101                                    "liferay-ui:panel-container:panelCount" + _id);
102    
103                            request.removeAttribute(
104                                    "liferay-ui:panel-container:panelCount" + _id);
105    
106                            if ((panelCount != null) && (panelCount.getValue() >= 1)) {
107                                    PortalIncludeUtil.include(pageContext, getStartPage());
108                            }
109    
110                            writeBodyContent(pageContext.getOut());
111    
112                            if ((panelCount != null) && (panelCount.getValue() >= 1)) {
113                                    PortalIncludeUtil.include(pageContext, getEndPage());
114                            }
115    
116                            request.removeAttribute("liferay-ui:panel-floating-container:id");
117                            request.removeAttribute(
118                                    "liferay-ui:panel-floating-container:trigger");
119                            request.removeAttribute(
120                                    "liferay-ui:panel-floating-container:accordion");
121                            request.removeAttribute(
122                                    "liferay-ui:panel-floating-container:persistState");
123                            request.removeAttribute(
124                                    "liferay-ui:panel-floating-container:paging");
125                            request.removeAttribute(
126                                    "liferay-ui:panel-floating-container:pagingElements");
127                            request.removeAttribute(
128                                    "liferay-ui:panel-floating-container:resultsPerPage");
129                            request.removeAttribute(
130                                    "liferay-ui:panel-floating-container:width");
131                            request.removeAttribute(
132                                    "liferay-ui:panel-floating-container:extended");
133                            request.removeAttribute(
134                                    "liferay-ui:panel-floating-container:cssClass");
135    
136                            return EVAL_PAGE;
137                    }
138                    catch (Exception e) {
139                            throw new JspException(e);
140                    }
141            }
142    
143            public String getId() {
144                    return _id;
145            }
146    
147            protected String getStartPage() {
148                    if (Validator.isNull(_startPage)) {
149                            return _START_PAGE;
150                    }
151                    else {
152                            return _startPage;
153                    }
154            }
155    
156            public void setStartPage(String startPage) {
157                    _startPage = startPage;
158            }
159    
160            protected String getEndPage() {
161                    if (Validator.isNull(_endPage)) {
162                            return _END_PAGE;
163                    }
164                    else {
165                            return _endPage;
166                    }
167            }
168    
169            public void setEndPage(String endPage) {
170                    _endPage = endPage;
171            }
172    
173            public void setId(String id) {
174                    _id = id;
175            }
176    
177            public void setTrigger(String trigger) {
178                    _trigger = trigger;
179            }
180    
181            public void setAccordion(boolean accordion) {
182                    _accordion = accordion;
183            }
184    
185            public void setPersistState(boolean persistState) {
186                    _persistState = persistState;
187            }
188    
189            public void setPaging(boolean paging) {
190                    _paging = paging;
191            }
192    
193            public void setPagingElements(String pagingElements) {
194                    _pagingElements = pagingElements;
195            }
196    
197            public void setResultsPerPage(int resultsPerPage) {
198                    _resultsPerPage = resultsPerPage;
199            }
200    
201            public void setWidth(int width) {
202                    _width = width;
203            }
204    
205            public void setExtended(Boolean extended) {
206                    _extended = extended;
207            }
208    
209            public void setCssClass(String cssClass) {
210                    _cssClass = cssClass;
211            }
212    
213            private static final String _START_PAGE =
214                    "/html/taglib/ui/panel_floating_container/start.jsp";
215    
216            private static final String _END_PAGE =
217                    "/html/taglib/ui/panel_floating_container/end.jsp";
218    
219            private String _startPage;
220            private String _endPage;
221            private String _id;
222            private String _trigger;
223            private boolean _accordion;
224            private boolean _persistState;
225            private boolean _paging;
226            private String _pagingElements = "ul";
227            private int _resultsPerPage = 1;
228            private int _width = 300;
229            private Boolean _extended;
230            private String _cssClass = StringPool.BLANK;
231    
232    }