/**
    * Copyright 2005-2011 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.lookup;
  
  import org.kuali.rice.kns.document.authorization.BusinessObjectRestrictions;
  import org.kuali.rice.kns.web.struts.form.LookupForm;
  import org.kuali.rice.kns.web.ui.Field;
  import org.kuali.rice.kns.web.ui.ResultRow;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.service.BusinessObjectDictionaryService;
  import org.kuali.rice.krad.service.DataDictionaryService;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.util.UrlFactory;
  import org.springframework.transaction.annotation.Transactional;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  
  /**
   * Kuali lookup implementation. Implements methods necessary to render the lookup and provides search and return methods.
   */
  @Transactional
  public class KualiLookupableImpl implements Lookupable {
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(KualiLookupableImpl.class);
      protected static final String[] IGNORE_LIST = { KRADConstants.DOC_FORM_KEY, KRADConstants.BACK_LOCATION };
  
      protected Class businessObjectClass;
      protected LookupableHelperService lookupableHelperService;
      protected String extraOnLoad = ""; // This is supposed to be a javascript function.
  
      /**
       * Default constructor initializes services from spring
       */
      public KualiLookupableImpl() {
      }
  
      /**
       * Sets the business object class for the lookup instance, then rows can be set for search render.
       *
       * @param boClass Class for the lookup business object
       */
      public void setBusinessObjectClass(Class boClass) {
          if (boClass == null) {
              throw new RuntimeException("Business object class is null.");
          }
  
          this.businessObjectClass = boClass;
  
          // next line initializes the helper to return correct values for getRow();
          getLookupableHelperService().setBusinessObjectClass(boClass);
      }
  
      /**
       * Initializes the lookup with the given Map of parameters.
       *
       * @param parameters
       */
      public void setParameters(Map parameters) {
          getLookupableHelperService().setParameters(parameters);
      }
  
      /**
       * @return Returns the parameters passed to this lookup
       */
      public Map getParameters() {
          return getLookupableHelperService().getParameters();
      }
  
      /**
       * Constructs the list of columns for the search results. All properties for the column objects come from the DataDictionary.
       */
      public List getColumns() {
          return getLookupableHelperService().getColumns();
      }
  
      /**
       * Checks that any required search fields have value.
       *
       * @see Lookupable#validateSearchParameters(java.util.Map)
       */
      public void validateSearchParameters(Map fieldValues) {
          getLookupableHelperService().validateSearchParameters(fieldValues);
      }
  
     /**
      * Uses Lookup Service to provide a basic unbounded search.
      *
      * @param fieldValues - Map containing prop name keys and search values
      *
      * @return List found business objects
      */
     public List<BusinessObject> getSearchResultsUnbounded(Map<String, String> fieldValues) {
         return getLookupableHelperService().getSearchResultsUnbounded(fieldValues);
     }
 
     /**
      * Uses Lookup Service to provide a basic search.
      *
      * @param fieldValues - Map containing prop name keys and search values
      *
      * @return List found business objects
      */
     public List<BusinessObject> getSearchResults(Map<String, String> fieldValues) {
         return getLookupableHelperService().getSearchResults(fieldValues);
     }
 
     /**
      * @return the return url for each result row.
      */
     public HtmlData getReturnUrl(BusinessObject bo, Map fieldConversions, String lookupImpl, BusinessObjectRestrictions businessObjectRestrictions) {
         return getLookupableHelperService().getReturnUrl(bo, fieldConversions, lookupImpl, getReturnKeys(), businessObjectRestrictions);
     }
 
     /**
      * @see Lookupable#getCreateNewUrl()
      */
     public String getCreateNewUrl() {
         String url = "";
 
         if (getLookupableHelperService().allowsMaintenanceNewOrCopyAction()) {
             Properties parameters = new Properties();
             parameters.put(KRADConstants.DISPATCH_REQUEST_PARAMETER, KRADConstants.MAINTENANCE_NEW_METHOD_TO_CALL);
             parameters.put(KRADConstants.BUSINESS_OBJECT_CLASS_ATTRIBUTE, this.businessObjectClass.getName());
 
             url = UrlFactory.parameterizeUrl(KRADConstants.MAINTENANCE_ACTION, parameters);
             url = "<a title=\"Create a new record\" href=\"" + url + "\"><img src=\"images/tinybutton-createnew.gif\" alt=\"create new\" width=\"70\" height=\"15\"/></a>";
         }
 
         return url;
     }
 
 
     /**
      * @see Lookupable#getHtmlMenuBar()
      */
     public String getHtmlMenuBar() {
         return getBusinessObjectDictionaryService().getLookupMenuBar(getBusinessObjectClass());
     }
 
     /**
      * @see Lookupable#getSupplementalMenuBar()
      */
     public String getSupplementalMenuBar() {
         return getLookupableHelperService().getSupplementalMenuBar();
     }
 
     /**
      * @see Lookupable#getRows()
      */
     public List getRows() {
         return getLookupableHelperService().getRows();
     }
 
     /**
      * @see Lookupable#getTitle()
      */
     public String getTitle() {
         return getLookupableHelperService().getTitle();
     }
 
     /**
      * @see Lookupable#getReturnLocation()
      */
     public String getReturnLocation() {
         return getLookupableHelperService().getReturnLocation();
     }
 
     /**
      * @return Returns the dataObjectClass.
      */
     public Class getBusinessObjectClass() {
         return businessObjectClass;
     }
 
     /**
      * @return a List of the names of fields which are marked in data dictionary as return fields.
      */
     public List getReturnKeys() {
         return getLookupableHelperService().getReturnKeys();
     }
 
 
     /**
      * @see Lookupable#getExtraButtonSource()
      */
     public String getExtraButtonSource() {
         return getBusinessObjectDictionaryService().getExtraButtonSource(getBusinessObjectClass());
     }
 
     /**
      * @see Lookupable#getExtraButtonParams()
      */
     public String getExtraButtonParams() {
         return getBusinessObjectDictionaryService().getExtraButtonParams(getBusinessObjectClass());
     }
 
     /**
      * @return property names that will be used to sort on by default
      */
     public List getDefaultSortColumns() {
         return getLookupableHelperService().getDefaultSortColumns();
     }
 
     /**
      * @see Lookupable#checkForAdditionalFields(java.util.Map)
      */
     public boolean checkForAdditionalFields(Map fieldValues) {
         return getLookupableHelperService().checkForAdditionalFields(fieldValues);
     }
 
     /**
      * @return Returns the backLocation.
      */
     public String getBackLocation() {
         return getLookupableHelperService().getBackLocation();
     }
 
     /**
      * @param backLocation The backLocation to set.
      */
     public void setBackLocation(String backLocation) {
         getLookupableHelperService().setBackLocation(backLocation);
     }
 
     /**
      * @return Returns the docFormKey.
      */
     public String getDocFormKey() {
         return getLookupableHelperService().getDocFormKey();
     }
 
     /**
      * // this method is public because unit tests depend upon it
      * @param docFormKey The docFormKey to set.
      */
     public void setDocFormKey(String docFormKey) {
         getLookupableHelperService().setDocFormKey(docFormKey);
     }
 
     /**
      * @return Returns the businessObjectDictionaryService.
      */
     protected BusinessObjectDictionaryService getBusinessObjectDictionaryService() {
         return getLookupableHelperService().getBusinessObjectDictionaryService();
     }
 
     /**
      * @see Lookupable#setFieldConversions(java.util.Map)
      */
     public void setFieldConversions(Map fieldConversions) {
         getLookupableHelperService().setFieldConversions(fieldConversions);
     }
 
     /**
      * @return Returns the dataDictionaryService.
      */
     protected DataDictionaryService getDataDictionaryService() {
         return getLookupableHelperService().getDataDictionaryService();
     }
 
 
     /**
      * Sets the readOnlyFieldsList attribute value.
      *
      * @param readOnlyFieldsList The readOnlyFieldsList to set.
      */
     public void setReadOnlyFieldsList(List<String> readOnlyFieldsList) {
         getLookupableHelperService().setReadOnlyFieldsList(readOnlyFieldsList);
     }
 
 
     public LookupableHelperService getLookupableHelperService() {
         return lookupableHelperService;
     }
 
 
     /**
      * Sets the lookupableHelperService attribute value.
      * @param lookupableHelperService The lookupableHelperService to set.
      */
     public void setLookupableHelperService(LookupableHelperService lookupableHelperService) {
         this.lookupableHelperService = lookupableHelperService;
     }
 
     /**
      * Performs a lookup that can only return one row.
      * @see Lookupable#performLookup(org.kuali.rice.krad.web.struts.form.LookupForm, java.util.List, boolean)
      */
     public Collection performLookup(LookupForm lookupForm, List<ResultRow> resultTable, boolean bounded) {
         return getLookupableHelperService().performLookup(lookupForm, resultTable, bounded);
     }
 
 
     public boolean isSearchUsingOnlyPrimaryKeyValues() {
         return getLookupableHelperService().isSearchUsingOnlyPrimaryKeyValues();
     }
 
 
     public String getPrimaryKeyFieldLabels() {
         return getLookupableHelperService().getPrimaryKeyFieldLabels();
     }
 
     /**
      * calls the lookup helper service to do "clear" behaviors
      *
      * @see Lookupable#performClear()
      */
     public void performClear(LookupForm lookupForm) {
          getLookupableHelperService().performClear(lookupForm);
     }
 
     /**
      * calls the lookup helper service to check if non maintenance actions should be displayed
      *
      * @see Lookupable#shouldDisplayHeaderNonMaintActions()
      */
     public boolean shouldDisplayHeaderNonMaintActions() {
         return getLookupableHelperService().shouldDisplayHeaderNonMaintActions();
     }
 
     /**
      * calls the lookup helper service to check if criteria should be displayed
      *
      * @see Lookupable#shouldDisplayLookupCriteria()
      */
     public boolean shouldDisplayLookupCriteria() {
         return getLookupableHelperService().shouldDisplayLookupCriteria();
     }
 
     protected String getCreateNewUrl(String url){
         return "<a title=\"Create a new record\" href=\"" + url + "\"><img src=\"images/tinybutton-createnew.gif\" alt=\"create new\" width=\"70\" height=\"15\"/></a>";
     }
 
     /**
      * @see Lookupable#performCustomAction(boolean)
      */
     public boolean performCustomAction(boolean ignoreErrors) {
         return getLookupableHelperService().performCustomAction(ignoreErrors);
     }
 
     /**
      * This overridden method ...
      *
      * @see Lookupable#getExtraField()
      */
     public Field getExtraField() {
         return getLookupableHelperService().getExtraField();
     }
 
     /**
      * This overridden method ...
      *
      * @see Lookupable#applyFieldAuthorizationsFromNestedLookups(org.kuali.rice.krad.web.ui.Field)
      */
     public void applyFieldAuthorizationsFromNestedLookups(Field field) {
         getLookupableHelperService().applyFieldAuthorizationsFromNestedLookups(field);
     }
 
     /**
      * This overridden method returns the extraOnLoad variable. The
      * varible is currently accessed in page.tag and is called in the onLoad.
      * it allows us to inject javascript onload.
      *
      * @see Lookupable#getExtraOnLoad()
      */
     public String getExtraOnLoad() {
         return extraOnLoad;
     }
 
     /**
      * @param extraOnLoad the extraOnLoad to set
      */
     public void setExtraOnLoad(String extraOnLoad) {
         this.extraOnLoad = extraOnLoad;
     }
 
     /**
      * @see Lookupable#applyConditionalLogicForFieldDisplay()
      */
     public void applyConditionalLogicForFieldDisplay() {
         getLookupableHelperService().applyConditionalLogicForFieldDisplay();
     }
 
 }