/*
    * Copyright 2007-2009 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.kim.lookup;
  
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kim.api.type.KimTypeInfoService;
  import org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl;
  import org.kuali.rice.krad.document.authorization.DocumentAuthorizer;
  import org.kuali.rice.krad.document.authorization.DocumentPresentationController;
  import org.kuali.rice.krad.service.DocumentHelperService;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  /**
   * This is a description of what this class does - shyu don't forget to fill this in.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class KimLookupableHelperServiceImpl extends KualiLookupableHelperServiceImpl {
  
  	private static final long serialVersionUID = 1L;
  	
  	private static DocumentHelperService documentHelperService;
  	private static KimTypeInfoService typeInfoService;
  	
      @Override
  	public boolean allowsNewOrCopyAction(String documentTypeName) {
  		// TODO : to let it rendering 'create new' and 'edit'/'copy' button
          DocumentAuthorizer documentAuthorizer = getDocumentHelperService().getDocumentAuthorizer(documentTypeName);
          DocumentPresentationController documentPresentationController = getDocumentHelperService().getDocumentPresentationController(documentTypeName);
          // make sure this person is authorized to initiate
          Person currentUser = GlobalVariables.getUserSession().getPerson();
          return documentPresentationController.canInitiate(documentTypeName) && documentAuthorizer.canInitiate(documentTypeName, currentUser);
  
  	}
  
  	protected DocumentHelperService getDocumentHelperService() {
  	    if ( documentHelperService == null ) {
  	        documentHelperService = KRADServiceLocatorWeb.getDocumentHelperService();
  		}
  	    return documentHelperService;
  	}
  
  	protected KimTypeInfoService getTypeInfoService() {
  	    if ( typeInfoService == null ) {
  	    	typeInfoService = KimApiServiceLocator.getKimTypeInfoService();
  		}
  	    return typeInfoService;
  	}
  }