/*
    * Copyright 2005 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.ole.fp.document.web.struts;
  
  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.ole.fp.businessobject.InternalBillingItem;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.kns.service.DictionaryValidationService;
  
  /**
   * This class handles Actions for InternalBilling.
   */
  public class InternalBillingAction extends CapitalAccountingLinesActionBase {
  
      /**
       * Adds a new InternalBillingItem from the Form to the Document if valid. This method is called reflectively from KualiAction.
       * 
       * @param mapping
       * @param form
       * @param request
       * @param response
       * @return ActionForward
       * @throws Exception
       */
      public ActionForward insertItem(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          InternalBillingForm internalBillingForm = (InternalBillingForm) form;
          if (validateNewItem(internalBillingForm)) {
              internalBillingForm.getInternalBillingDocument().addItem(internalBillingForm.getNewItem());
              internalBillingForm.setNewItem(new InternalBillingItem());
          }
          return mapping.findForward(OLEConstants.MAPPING_BASIC);
      }
  
      /**
       * Validates the new InternalBillingItem on the Form, adding a global error if invalid.
       * 
       * @param internalBillingForm
       * @return whether the new item is valid
       */
      protected static boolean validateNewItem(InternalBillingForm internalBillingForm) {
          return SpringContext.getBean(DictionaryValidationService.class).isBusinessObjectValid(internalBillingForm.getNewItem(), OLEPropertyConstants.NEW_ITEM);
      }
  
      /**
       * Deletes an InternalBillingItem from the Document. This method is called reflectively from KualiAction.
       * 
       * @param mapping
       * @param form
       * @param request
       * @param response
       * @return ActionForward
       * @throws Exception
       */
      public ActionForward deleteItem(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          InternalBillingForm internalBillingForm = (InternalBillingForm) form;
          internalBillingForm.getInternalBillingDocument().getItems().remove(getLineToDelete(request));
          return mapping.findForward(OLEConstants.MAPPING_BASIC);
      }
  }