/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/sam/trunk/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/listener/author/SaveAssessmentAttachmentListener.java $
* $Id: SaveAssessmentAttachmentListener.java 106463 2012-04-02 12:20:09Z david.horwitz@uct.ac.za $
***********************************************************************************
*
* Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.tool.assessment.ui.listener.author;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.content.api.FilePickerHelper;
import org.sakaiproject.entity.api.Reference;
import org.sakaiproject.tool.api.ToolSession;
import org.sakaiproject.tool.assessment.data.ifc.assessment.AssessmentAttachmentIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.AssessmentIfc;
import org.sakaiproject.tool.assessment.services.assessment.AssessmentService;
import org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService;
import org.sakaiproject.tool.assessment.ui.bean.author.AssessmentSettingsBean;
import org.sakaiproject.tool.assessment.ui.bean.author.AuthorBean;
import org.sakaiproject.tool.assessment.ui.bean.author.PublishedAssessmentSettingsBean;
import org.sakaiproject.tool.assessment.ui.listener.util.ContextUtil;
import org.sakaiproject.tool.cover.SessionManager;
/**
* <p>Title: Samigo</p>
* <p>Description: Sakai Assessment Manager</p>
* @version $Id: SaveAssessmentAttachmentListener.java 106463 2012-04-02 12:20:09Z david.horwitz@uct.ac.za $
*/
public class SaveAssessmentAttachmentListener
implements ActionListener
{
private static Log log = LogFactory.getLog(SaveAssessmentAttachmentListener.class);
// this is to indicate which flow
// if it is true, that means we save the assessment attachment in setting page of a pending assessment (authorSettings.jsp)
// if it is false, that means we save the assessment attachment in setting page of a published assessment (publishedSettings.jsp)
private boolean isForAuthorSettings;
public SaveAssessmentAttachmentListener()
{
}
public SaveAssessmentAttachmentListener(boolean isForAuthorSettings)
{
this.isForAuthorSettings = isForAuthorSettings;
}
public void processAction(ActionEvent ae) throws AbortProcessingException {
AssessmentService assessmentService = null;
AssessmentIfc assessment = null;
List attachmentList = new ArrayList();
if (isForAuthorSettings) {
assessmentService = new AssessmentService();
AssessmentSettingsBean assessmentSettingsBean = (AssessmentSettingsBean) ContextUtil.lookupBean("assessmentSettings");
if (assessmentSettingsBean.getAssessment() != null){
assessment = assessmentSettingsBean.getAssessment();
// attach item attachemnt to assessmentBean
attachmentList = prepareAssessmentAttachment(assessment, assessmentService);
}
assessmentSettingsBean.setAttachmentList(attachmentList);
}
else {
assessmentService = new PublishedAssessmentService();
PublishedAssessmentSettingsBean publishedAssessmentSettingsBean = (PublishedAssessmentSettingsBean) ContextUtil.lookupBean(
"publishedSettings");
if (publishedAssessmentSettingsBean.getAssessment() != null){
assessment = publishedAssessmentSettingsBean.getAssessment();
// attach item attachemnt to assessmentBean
attachmentList = prepareAssessmentAttachment(assessment, assessmentService);
}
publishedAssessmentSettingsBean.setAttachmentList(attachmentList);
}
}
private HashMap getResourceIdHash(Set attachmentSet){
HashMap map = new HashMap();
if (attachmentSet !=null ){
Iterator iter = attachmentSet.iterator();
while (iter.hasNext()){
AssessmentAttachmentIfc attach = (AssessmentAttachmentIfc) iter.next();
map.put(attach.getResourceId(), attach);
}
}
return map;
}
private List prepareAssessmentAttachment(AssessmentIfc assessment, AssessmentService assessmentService){
ToolSession session = SessionManager.getCurrentToolSession();
if (session.getAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS) != null) {
Set attachmentSet = new HashSet();
if (assessment!=null){
attachmentSet = assessment.getAssessmentAttachmentSet();
}
HashMap map = getResourceIdHash(attachmentSet);
ArrayList newAttachmentList = new ArrayList();
String protocol = ContextUtil.getProtocol();
List refs = (List)session.getAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS);
if (refs!=null && refs.size() > 0){
Reference ref;
for(int i=0; i<refs.size(); i++) {
ref = (Reference) refs.get(i);
String resourceId = ref.getId();
if (map.get(resourceId) == null){
// new attachment, add
log.debug("**** ref.Id="+ref.getId());
log.debug("**** ref.name="+ref.getProperties().getProperty(
ref.getProperties().getNamePropDisplayName()));
AssessmentAttachmentIfc newAttach = assessmentService.createAssessmentAttachment(
assessment,
ref.getId(), ref.getProperties().getProperty(
ref.getProperties().getNamePropDisplayName()),
protocol);
newAttachmentList.add(newAttach);
}
else{
// attachment already exist, let's add it to new list and check it off from map
newAttachmentList.add((AssessmentAttachmentIfc)map.get(resourceId));
map.remove(resourceId);
}
}
}
session.removeAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS);
session.removeAttribute(FilePickerHelper.FILE_PICKER_CANCEL);
return newAttachmentList;
}
return new ArrayList();
}
}