--- /dev/null
+/*
+ * TopicAction.java created on 05.09.2003
+ *
+ * Copyright (C) 2001, 2002, 2003 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+package mir.core.ui.action.admin;
+
+import java.util.List;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import mir.config.MirPropertiesConfiguration;
+import mir.config.MirPropertiesConfiguration.PropertiesConfigExc;
+import mir.core.model.Topic;
+import mir.core.service.storage.TopicService;
+import mir.core.ui.action.DispatchAction;
+import mir.core.ui.servlet.ServletConstants;
+import multex.Failure;
+import net.sf.hibernate.SessionFactory;
+import net.sf.hibernate.expression.Order;
+
+import org.apache.struts.action.ActionForm;
+import org.apache.struts.action.ActionForward;
+import org.apache.struts.action.ActionMapping;
+import org.apache.struts.action.DynaActionForm;
+
+/**
+ * TopicAction
+ * @author idefix
+ * @version $Id: TopicAction.java,v 1.1 2003/09/30 19:29:32 idfx Exp $
+ */
+public class TopicAction extends DispatchAction {
+ private MirPropertiesConfiguration _configuration;
+
+ public TopicAction(){
+ super();
+ try {
+ _configuration = MirPropertiesConfiguration.instance();
+ } catch (PropertiesConfigExc e) {
+ throw new Failure("could not load config", e);
+ }
+ }
+
+ private ActionForward add(ActionMapping actionMapping, ActionForm actionForm,
+ HttpServletRequest request, HttpServletResponse response)
+ throws Exception {
+ //access to persistence
+ ServletContext context = getServlet().getServletContext();
+ TopicService topicService =
+ new TopicService((SessionFactory)context
+ .getAttribute(ServletConstants.SESSION_FACTORY));
+
+ List topics = topicService.list();
+ Topic defaultParent = new Topic();
+ defaultParent.setId(new Integer(-1));
+ defaultParent.setTitle("----");
+ topics.add(0, defaultParent);
+
+ request.setAttribute(ServletConstants.NEW, new Boolean(true));
+ request.setAttribute(ServletConstants.ID, "");
+ request.setAttribute(ServletConstants.OFFSET, "");
+ request.setAttribute("topics", topics);
+
+ //setting standard-values
+ Topic topic = new Topic();
+ request.setAttribute("topic", topic);
+
+ // show the view
+ return actionMapping.findForward("success");
+ }
+
+ private ActionForward save(ActionMapping actionMapping, ActionForm actionForm,
+ HttpServletRequest request, HttpServletResponse response)
+ throws Exception {
+ //access to persistence
+ ServletContext context = getServlet().getServletContext();
+ TopicService topicService =
+ new TopicService((SessionFactory)context
+ .getAttribute(ServletConstants.SESSION_FACTORY));
+
+ DynaActionForm form = (DynaActionForm) actionForm;
+ if(form == null){
+ return actionMapping.findForward("failed");
+ }
+ //check if new
+ Boolean isnew = (Boolean) form.get("new");
+
+ //retrieve id
+ Topic topic = null;
+ if(isnew.booleanValue()){
+ topic = new Topic();
+ } else {
+ Integer id = new Integer(request.getParameter(ServletConstants.ID));
+ topic = (Topic) topicService.load(id);
+ }
+
+ if(topic == null){
+ return actionMapping.findForward("failed");
+ }
+
+ topic.setTitle((String)form.get("title"));
+ topic.setDescription((String)form.get("title"));
+ topic.setFilename((String)form.get("filename"));
+ topic.setMainUrl((String)form.get("mainUrl"));
+ topic.setArchivUrl((String)form.get("archivUrl"));
+ topic.setParentTopic(null);
+
+ Integer parentId = (Integer)form.get("parentTopic");
+ if(parentId != null && parentId.intValue() > -1){
+ Topic parentTopic = (Topic) topicService.load(parentId);
+ topic.setParentTopic(parentTopic);
+ }
+
+ if(isnew.booleanValue()){
+ System.out.println(topic);
+ Integer id = topicService.save(topic);
+ request.setAttribute(ServletConstants.OFFSET, "0");
+ } else {
+ topicService.update(topic);
+ }
+
+ // show the view
+ return actionMapping.findForward("success");
+ }
+
+ private ActionForward delete(ActionMapping actionMapping, ActionForm actionForm,
+ HttpServletRequest request, HttpServletResponse response)
+ throws Exception {
+ //access to persistence
+ ServletContext context = getServlet().getServletContext();
+ TopicService topicService =
+ new TopicService((SessionFactory)context
+ .getAttribute(ServletConstants.SESSION_FACTORY));
+
+ //retrieve id
+ Integer id = new Integer(request.getParameter(ServletConstants.ID));
+
+ //confirm the request
+ System.out.println(request.getAttribute(ServletConstants.DELETE));
+ if(request.getAttribute(ServletConstants.DELETE) == null){
+ return actionMapping.findForward("confirm");
+ }
+ //load object
+ Topic topic = (Topic) topicService.load(id);
+
+ if(topic == null){
+ return actionMapping.findForward("failed");
+ }
+
+ topicService.delete(topic);
+
+ // show the view
+ return actionMapping.findForward("success");
+ }
+
+ private ActionForward list(ActionMapping actionMapping, ActionForm actionForm,
+ HttpServletRequest request, HttpServletResponse response)
+ throws Exception {
+ //retrieve parameters
+ String offsetString = request.getParameter(ServletConstants.OFFSET);
+ int offset = 0;
+ if(offsetString != null && !offsetString.equals("")){
+ offset = new Integer(offsetString).intValue();
+ }
+
+ //access to persistence
+ ServletContext context = getServlet().getServletContext();
+ TopicService topicService =
+ new TopicService((SessionFactory)context
+ .getAttribute(ServletConstants.SESSION_FACTORY));
+
+ //retrieve entities
+ Order order = Order.desc("id");
+ List topics = topicService.list(offset, order);
+
+ //configure the data to send to view
+ int listSize = _configuration.getInt("ServletModule.Default.ListSize");
+ Integer lastOffset;
+ if(offset-listSize < 0){
+ lastOffset = new Integer(0);
+ } else {
+ lastOffset = new Integer(offset-listSize);
+ }
+ request.setAttribute(ServletConstants.LAST_OFFSET, lastOffset);
+ request.setAttribute(ServletConstants.NEXT_OFFSET,
+ new Integer(offset + listSize));
+ request.setAttribute(ServletConstants.OFFSET,
+ new Integer(offset));
+ request.setAttribute("topics", topics);
+
+ //show the view
+ return actionMapping.findForward("success");
+ }
+
+ private ActionForward edit(ActionMapping actionMapping, ActionForm actionForm,
+ HttpServletRequest request, HttpServletResponse response)
+ throws Exception {
+ //retrieve parameters
+ Integer id = new Integer(request.getParameter(ServletConstants.ID));
+ String offset = request.getParameter(ServletConstants.OFFSET);
+
+
+ //access to persistence
+ ServletContext context = getServlet().getServletContext();
+ TopicService topicService =
+ new TopicService((SessionFactory)context
+ .getAttribute(ServletConstants.SESSION_FACTORY));
+
+ //retrieve entities
+ Topic topic = (Topic) topicService.load(id);
+
+ List topics = topicService.list();
+ Topic defaultParent = new Topic();
+ defaultParent.setId(new Integer(-1));
+ defaultParent.setTitle("----");
+ topics.add(0, defaultParent);
+
+ //configure the data to send to view
+ request.setAttribute(ServletConstants.OFFSET, offset);
+ request.setAttribute(ServletConstants.NEW,"0");
+ request.setAttribute("topic", topic);
+ request.setAttribute("topics", topics);
+
+ //show the view
+ return actionMapping.findForward("success");
+ }
+}
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