Ajax pop-up summary panel code refactored into generic library.

First cut of the My Tasks webscript.. Added "url.context" help object to template model for TemplateContentServlet. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5549 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2007-04-25 14:33:29 +00:00
parent 4a22fc137a
commit eecfcd3485
16 changed files with 510 additions and 112 deletions
--- a/source/java/org/alfresco/web/bean/ajax/TaskInfoBean.java
+++ b/source/java/org/alfresco/web/bean/ajax/TaskInfoBean.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2005-2007 Alfresco Software Limited.
+ *
+ * This program 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.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+package org.alfresco.web.bean.ajax;
+
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+
+import org.alfresco.repo.template.AbsoluteUrlMethod;
+import org.alfresco.repo.template.CropContentMethod;
+import org.alfresco.repo.template.TemplateNode;
+import org.alfresco.repo.template.UrlEncodeMethod;
+import org.alfresco.repo.template.Workflow;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.repository.TemplateImageResolver;
+import org.alfresco.service.cmr.workflow.WorkflowService;
+import org.alfresco.service.cmr.workflow.WorkflowTask;
+import org.alfresco.web.app.servlet.BaseTemplateContentServlet;
+import org.alfresco.web.bean.repository.Repository;
+import org.alfresco.web.ui.common.Utils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Bean used by an AJAX control to send information back on the requested workflow task.
+ * 
+ * @author Kevin Roast
+ */
+public class TaskInfoBean
+{
+   private WorkflowService workflowService;
+   
+   /**
+    * Returns information on the node identified by the 'taskId'
+    * parameter found in the ExternalContext.
+    * <p>
+    * The result is the formatted HTML to show on the client.
+    */
+   public void sendTaskInfo() throws IOException
+   {
+      FacesContext context = FacesContext.getCurrentInstance();
+      ResponseWriter out = context.getResponseWriter();
+      
+      String taskId = (String)context.getExternalContext().getRequestParameterMap().get("taskId");
+      if (taskId == null || taskId.length() == 0)
+      {
+         throw new IllegalArgumentException("'taskId' parameter is missing");
+      }
+      
+      WorkflowTask task = this.workflowService.getTaskById(taskId);
+      if (task != null)
+      {
+         Repository.getServiceRegistry(context).getTemplateService().processTemplate(
+               "/alfresco/templates/client/task_summary_panel.ftl", getModel(task), out);
+      }
+      else
+      {
+         out.write("<span class='errorMessage'>Task could not be found.</span>");
+      }
+   }
+
+   
+   // ------------------------------------------------------------------------------
+   // Bean getters and setters
+   
+   /**
+    * @param workflowService    The WorkflowService to set.
+    */
+   public void setWorkflowService(WorkflowService workflowService)
+   {
+      this.workflowService = workflowService;
+   }
+   
+   
+   // ------------------------------------------------------------------------------
+   // Helper methods
+   
+   private Map<String, Object> getModel(WorkflowTask task)
+   {
+      FacesContext context = FacesContext.getCurrentInstance();
+      Map<String, Object> model = new HashMap<String, Object>(8, 1.0f);
+      
+      // create template api methods and objects
+      model.put("date", new Date());
+      model.put("url", new BaseTemplateContentServlet.URLHelper(
+              context.getExternalContext().getRequestContextPath()));
+      model.put("task", new Workflow.WorkflowTaskItem(
+            Repository.getServiceRegistry(context),
+            this.imageResolver,
+            task));
+      
+      return model;
+   }
+   
+   /** Template Image resolver helper */
+   private TemplateImageResolver imageResolver = new TemplateImageResolver()
+   {
+      public String resolveImagePathForName(String filename, boolean small)
+      {
+         return Utils.getFileTypeImage(FacesContext.getCurrentInstance(), filename, small);
+      }
+   };
+}