/*
    * Copyright 2005-2008 The Kuali 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/ecl2.php
    * 
   * 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.kuali.rice.kns.web.struts.action;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.kuali.rice.core.util.RiceConstants;
  import org.kuali.rice.kim.bo.Person;
  import org.kuali.rice.kns.document.Copyable;
  import org.kuali.rice.kns.document.Document;
  import org.kuali.rice.kns.document.authorization.TransactionalDocumentAuthorizer;
  import org.kuali.rice.kns.document.authorization.TransactionalDocumentPresentationController;
  import org.kuali.rice.kns.service.KNSServiceLocator;
  import org.kuali.rice.kns.util.GlobalVariables;
  import org.kuali.rice.kns.util.KNSConstants;
  import org.kuali.rice.kns.web.struts.form.KualiDocumentFormBase;
  import org.kuali.rice.kns.web.struts.form.KualiTransactionalDocumentFormBase;
  
  /**
   * This class handles UI actions for all shared methods of transactional documents.
   */
  public class KualiTransactionalDocumentActionBase extends KualiDocumentActionBase {
  //    private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(KualiTransactionalDocumentActionBase.class);
  
      /**
       * Method that will take the current document and call its copy method if Copyable.
       */
      public ActionForward copy(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          KualiTransactionalDocumentFormBase tmpForm = (KualiTransactionalDocumentFormBase) form;
  
          Document document = tmpForm.getDocument();
          
          if (!tmpForm.getDocumentActions().containsKey(KNSConstants.KUALI_ACTION_CAN_COPY)) {
              throw buildAuthorizationException("copy", document);
          }
  
          ((Copyable) tmpForm.getTransactionalDocument()).toCopy();
  
          return mapping.findForward(RiceConstants.MAPPING_BASIC);
      }
  
      @SuppressWarnings("unchecked")
  	protected void populateAuthorizationFields(KualiDocumentFormBase formBase){
      	super.populateAuthorizationFields(formBase);
      	Document document = formBase.getDocument();
      	Map editMode = new HashMap();
      	
      	if (formBase.isFormDocumentInitialized()) {
          	Person user = GlobalVariables.getUserSession().getPerson();
          	
          	TransactionalDocumentPresentationController documentPresentationController = (TransactionalDocumentPresentationController) getDocumentHelperService().getDocumentPresentationController(document);
              TransactionalDocumentAuthorizer documentAuthorizer = (TransactionalDocumentAuthorizer) KNSServiceLocator.getDocumentHelperService().getDocumentAuthorizer(document);
              Set<String> editModes = documentAuthorizer.getEditModes(document, user, documentPresentationController.getEditModes(document));
              editMode = this.convertSetToMap(editModes);
              if (getDataDictionaryService().getDataDictionary().getDocumentEntry(document.getClass().getName()).getUsePessimisticLocking()) {
                  editMode = getPessimisticLockService().establishLocks(document, editMode, user);
              }            
      	}
      	formBase.setEditingMode(editMode);
      }
  }