Source Code Cross Referenced for HTMLBlockPortlet.java in  » Portal » stringbeans-3.5 » com » nabhinc » portlet » htmlblock » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » stringbeans 3.5 » com.nabhinc.portlet.htmlblock 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* 
002:         * (C) Copyright 2000 - 2003 Nabh Information Systems, Inc. 
003:         * 
004:         * This program is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU General Public License 
006:         * as published by the Free Software Foundation; either version 2
007:         * of the License, or (at your option) any later version.
008:         * 
009:         * This program is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of 
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
012:         * GNU General Public License for more details.
013:         * 
014:         * You should have received a copy of the GNU General Public License
015:         * along with this program; if not, write to the Free Software 
016:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
017:         * 
018:         */
019:
020:        package com.nabhinc.portlet.htmlblock;
021:
022:        import java.io.IOException;
023:        import java.io.Writer;
024:
025:        import javax.portlet.ActionRequest;
026:        import javax.portlet.ActionResponse;
027:        import javax.portlet.GenericPortlet;
028:        import javax.portlet.PortletException;
029:        import javax.portlet.PortletMode;
030:        import javax.portlet.PortletModeException;
031:        import javax.portlet.PortletSecurityException;
032:        import javax.portlet.RenderRequest;
033:        import javax.portlet.RenderResponse;
034:
035:        import com.nabhinc.portal.api.EntityLockedException;
036:        import com.nabhinc.portal.api.PortalInformationStoreLocator;
037:        import com.nabhinc.portal.container.ActionRequestImpl;
038:        import com.nabhinc.portal.container.PortalInterface;
039:        import com.nabhinc.portal.container.RenderRequestImpl;
040:        import com.nabhinc.portal.core.PortalConstants;
041:        import com.nabhinc.portal.model.PortalApplication;
042:        import com.nabhinc.portal.model.PortalApplicationView;
043:        import com.nabhinc.portlet.common.StatefulPortlet;
044:        import com.nabhinc.util.StringUtil;
045:        import com.nabhinc.ws.core.WebServiceSecurityException;
046:
047:        /**
048:         * 
049:         *
050:         * @author Padmanabh Dabke
051:         * (c) 2003 Nabh Information Systems, Inc. All Rights Reserved.
052:         */
053:        public class HTMLBlockPortlet extends GenericPortlet implements 
054:                StatefulPortlet {
055:
056:            public void render(RenderRequest request, RenderResponse response)
057:                    throws PortletException, java.io.IOException {
058:                String pMode = request.getPortletMode().toString()
059:                        .toLowerCase();
060:                if (pMode.equals("view"))
061:                    doView(request, response);
062:                else if (pMode.equals("config"))
063:                    doConfig(request, response);
064:                else if (pMode.equals("help"))
065:                    doHelp(request, response);
066:                else if (pMode.equals("preview"))
067:                    doPreview(request, response);
068:                else
069:                    throw new PortletException("Unsupported portlet mode: "
070:                            + pMode);
071:            }
072:
073:            /**
074:             * Displays portlet content configured via "content" parameter.
075:             * The default implementation throws an exception.
076:             * @param    request The portlet request.
077:             * @param    response The render response.
078:             * @exception PortletException If the portlet cannot fulfilling the request.
079:             * @exception IOException If the streaming causes an I/O problem
080:             */
081:            protected void doView(RenderRequest request, RenderResponse response)
082:                    throws PortletException, java.io.IOException {
083:                viewHelper(request, response, false);
084:            }
085:
086:            protected void doPreview(RenderRequest request,
087:                    RenderResponse response) throws PortletException,
088:                    java.io.IOException {
089:                viewHelper(request, response, true);
090:            }
091:
092:            private void viewHelper(RenderRequest request,
093:                    RenderResponse response, boolean isPreview)
094:                    throws PortletException, java.io.IOException {
095:                Writer w = response.getWriter();
096:                w.write("<script type=\"text/javascript\">/*<![CDATA[*/");
097:                w.write("sb_register_unload_callback(null, '");
098:                w.write(response.getNamespace());
099:                w.write("');");
100:                w.write("sb_register_load_callback(null, '");
101:                w.write(response.getNamespace());
102:                w.write("');");
103:                w.write("/*]]>*/</script>");
104:
105:                String title = "Rich Text";
106:                String content = "";
107:                PortalInterface pi = ((RenderRequestImpl) request)
108:                        .getPortalInterface();
109:                HTMLBlockConfig config = (HTMLBlockConfig) pi
110:                        .getPortletWindowConfig();
111:                if (config != null) {
112:                    if (isPreview) {
113:                        title = config.getDraftTitle() == null ? config
114:                                .getTitle() : config.getDraftTitle();
115:                        content = config.getDraftContent() == null ? config
116:                                .getContent() : config.getDraftContent();
117:                    } else {
118:                        if (config.getTitle() != null)
119:                            title = config.getTitle();
120:                        if (config.getContent() != null)
121:                            content = config.getContent();
122:                    }
123:                    response.setTitle(title);
124:                }
125:
126:                w.write(content);
127:                w.flush();
128:            }
129:
130:            /**
131:             * Helper method to serve up the <code>edit</code> mode.
132:             * The default implementation throws an exception.
133:             * @param    request The portlet request
134:             * @param    response The render response
135:             * @exception PortletException If the portlet cannot fulfilling the request
136:             * @exception IOException If the streaming causes an I/O problem
137:             */
138:            protected void doConfig(RenderRequest request,
139:                    RenderResponse response) throws PortletException,
140:                    java.io.IOException {
141:                Writer w = response.getWriter();
142:
143:                String title = "Rich Text";
144:                String content = "";
145:                PortalInterface pi = ((RenderRequestImpl) request)
146:                        .getPortalInterface();
147:                HTMLBlockConfig config = (HTMLBlockConfig) pi
148:                        .getPortletWindowConfig();
149:                if (config != null) {
150:                    title = config.getDraftTitle() == null ? config.getTitle()
151:                            : config.getDraftTitle();
152:                    content = config.getDraftContent() == null ? config
153:                            .getContent() : config.getDraftContent();
154:                    response.setTitle(title);
155:                }
156:                String textAreaId = response.getNamespace() + "_textarea";
157:                w.write("<form method=\"post\" action=\"");
158:                w.write(response.createActionURL().toString());
159:                w.write("\">");
160:                w.write("<p><b>Title</b><br/>");
161:                w.write("<input name=\"title\" value=\"");
162:                w.write(title);
163:                w.write("\" /></p><b>Content</b><br/>");
164:                w.write("<textarea id=\"");
165:                w.write(textAreaId);
166:                w.write("\" name=\"content\">");
167:                w.write(content);
168:                w.write("</textarea>");
169:                w.write("<p style=\"text-align: left;\">");
170:                w
171:                        .write("<input class=\"button\" type=\"submit\" name=\"save_draft\" value=\"Save Draft\" onclick=\"tinyMCE.triggerSave();return true;\" />");
172:                w
173:                        .write("<input class=\"button\" type=\"submit\" name=\"publish\" value=\"Publish\" onclick=\"tinyMCE.triggerSave();return true;\" />");
174:                w
175:                        .write("<input class=\"button\" type=\"submit\" name=\"cancel\" value=\"Cancel\" />");
176:
177:                w.write("</p>");
178:                w.write("</center></form>");
179:                w.write("<script type=\"text/javascript\">");
180:                w
181:                        .write("sb_register_unload_callback(sb_remove_tiny_mce_control, '");
182:                w.write(response.getNamespace());
183:                w.write("');");
184:                w.write("tinyMCE.execCommand('mceAddControl', true, '");
185:                w.write(textAreaId);
186:                w.write("');");
187:                w.write("</script>");
188:
189:            }
190:
191:            /**
192:             * Helper method to serve up the <code>help</code> mode.
193:             * The default implementation throws an exception.
194:             * @param    request The portlet request
195:             * @param    response The render response
196:             * @exception PortletException If the portlet cannot fulfilling the request
197:             * @exception IOException If the streaming causes an I/O problem
198:             */
199:            protected void doHelp(RenderRequest request, RenderResponse response)
200:                    throws PortletException, java.io.IOException {
201:                Writer w = response.getWriter();
202:                w.write(request.getPreferences().getValue("help",
203:                        "Help is not available."));
204:                w.flush();
205:            }
206:
207:            public void processAction(ActionRequest request,
208:                    ActionResponse response) throws PortletException,
209:                    IOException {
210:
211:                String content = request.getParameter("content");
212:                if (request.getParameter("cancel") != null) {
213:                    try {
214:                        response.setPortletMode(PortletMode.VIEW);
215:                    } catch (PortletModeException e) {
216:                        // Ignore. we are supporting view mode
217:                        e.printStackTrace();
218:                    }
219:                    return;
220:                }
221:                if (StringUtil.isNullOrEmpty(content))
222:                    return;
223:
224:                PortalApplication portalApp = ((PortalApplicationView) request
225:                        .getAttribute(PortalConstants.CURRENT_PORTAL_APP_VIEW))
226:                        .getPortalApplication();
227:                synchronized (portalApp) {
228:                    PortalInterface pi = ((ActionRequestImpl) request)
229:                            .getPortalInterface();
230:                    HTMLBlockConfig blockState = (HTMLBlockConfig) pi
231:                            .getPortletWindowConfig();
232:                    if (blockState == null) {
233:                        blockState = new HTMLBlockConfig();
234:                        pi.setPortletWindowConfig(blockState);
235:                    }
236:                    String title = request.getParameter("title");
237:                    if (StringUtil.isNullOrEmpty(title))
238:                        title = "Rich Text";
239:                    if (request.getParameter("publish") != null) {
240:                        blockState.setTitle(title);
241:                        blockState.setContent(content);
242:                        blockState.setDraftTitle(null);
243:                        blockState.setDraftContent(null);
244:                        try {
245:                            response.setPortletMode(PortletMode.VIEW);
246:                        } catch (PortletModeException e) {
247:                            // this will never be thrown
248:                            e.printStackTrace();
249:                        }
250:                    } else {
251:                        blockState.setDraftContent(content);
252:                        blockState.setDraftTitle(title);
253:                        try {
254:                            response.setPortletMode(new PortletMode("preview"));
255:                        } catch (PortletModeException e) {
256:                            // this will never be thrown
257:                            e.printStackTrace();
258:                        }
259:
260:                    }
261:                    try {
262:                        PortalInformationStoreLocator
263:                                .getPortalInformationStore()
264:                                .savePortalApplication(portalApp, true);
265:                    } catch (EntityLockedException e) {
266:                        throw new PortletException(
267:                                "You changes could not be persisted since the psite is locked by another user.");
268:                    } catch (WebServiceSecurityException e) {
269:                        throw new PortletSecurityException(e);
270:                    }
271:                }
272:            }
273:
274:        }
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