package org.kuali.student.lum.lu.ui.course.client.controllers;

 import org.kuali.student.common.dto.DtoConstants;

 import org.kuali.student.common.ui.client.application.Application;

 import org.kuali.student.common.ui.client.application.ViewContext;

 import org.kuali.student.common.ui.client.event.ActionEvent;

 import org.kuali.student.common.ui.client.event.SaveActionEvent;

 import org.kuali.student.common.ui.client.mvc.ActionCompleteCallback;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.mvc.DataModel;

 import org.kuali.student.common.ui.client.service.BaseDataOrchestrationRpcServiceAsync;

 import org.kuali.student.common.ui.client.util.WindowTitleUtils;

 import org.kuali.student.common.ui.client.widgets.KSButton;

 import org.kuali.student.common.ui.client.widgets.notification.KSNotification;

 import org.kuali.student.common.ui.client.widgets.notification.KSNotifier;

 import org.kuali.student.common.ui.shared.IdAttributes.IdType;

 import org.kuali.student.lum.common.client.widgets.AppLocations;

 import org.kuali.student.lum.lu.assembly.data.client.constants.orch.CreditCourseConstants;

 import org.kuali.student.lum.lu.ui.course.client.configuration.CourseAdminRetireConfigurer;

 import org.kuali.student.lum.lu.ui.course.client.widgets.CourseWorkflowActionList;

 import com.google.gwt.core.client.GWT;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 /**

  * Controller for retire screen

  * 

  * @author Will

  *

  */

 public class CourseAdminRetireController extends CourseAdminWithoutVersionController{

         /**

          * Override the intitailzeController method to use CourseAdminConfigurer 

          */

         @Override

         protected void initializeController() {

                 super.cfg = GWT.create(CourseAdminRetireConfigurer.class);

                    cfg.setState(DtoConstants.STATE_RETIRED.toUpperCase());

                    super.setDefaultModelId(cfg.getModelId());

                    super.registerModelsAndHandlers();

                    super.addStyleName("ks-course-admin");                                                

     }

         /**

          * Override the getSaveButton to provide a new set of buttons for the admin screens

          */

         @Override

         public KSButton getSaveButton(){

                 KSButton saveButton =  new KSButton("Retire", new ClickHandler(){

             public void onClick(ClickEvent event) {

                     handleButtonClick(DtoConstants.STATE_RETIRED);                    

             }

         });

                 return saveButton;

         }

         public KSButton getCancelButton(){

                 KSButton button = new KSButton("Cancel", new ClickHandler(){

             public void onClick(ClickEvent event) {       

                     Application.navigate(AppLocations.Locations.VIEW_COURSE.getLocation());

             }

         });

                 button.addStyleName("ks-button-spacing");

                 return button;

     }

         /**

          * This processes the save or activate button clicks

          * 

          * @param state The state to set on the course when saving course data.

          */

         protected void handleButtonClick(final String state){

                 final SaveActionEvent saveActionEvent = new SaveActionEvent(false);

             saveActionEvent.setActionCompleteCallback(new ActionCompleteCallback(){

                         @Override

                         public void onActionComplete(ActionEvent actionEvent) {

                                 if (saveActionEvent.isSaveSuccessful()){

                         final ViewContext viewContext = new ViewContext();

                         viewContext.setId((String)cluProposalModel.get(CreditCourseConstants.ID));

                         viewContext.setIdType(IdType.OBJECT_ID);                                                                                        

                                         CourseWorkflowActionList.setCourseState(viewContext.getId(), DtoConstants.STATE_RETIRED, new Callback<String>(){

                                                 @Override

                                                 public void exec(String result) {

                                                         if (result == null){

                                                                 KSNotifier.add(new KSNotification("Course saved, but unable to set retire state.", false, true, 5000));

                                                         } else {

                                                                 KSNotifier.show("Course saved and retired.");                                                                        

                                                                 Application.navigate(AppLocations.Locations.VIEW_COURSE.getLocation(), viewContext);

                                                         }                                                        

                                                 }

                                         });                                                        

                                 }      

                         }

             });

                    CourseAdminRetireController.this.fireApplicationEvent(saveActionEvent);                    

         }

         /**

      * Override the setHeaderTitle to display proper header title for admin screens

      */

         @Override

         protected void setHeaderTitle(){

                 StringBuffer sb = new StringBuffer();

                 sb.append(cluProposalModel.get(cfg.getCourseTitlePath()));

                 sb.append(" (Retirement)");

                 currentTitle = sb.toString();

                 this.setContentTitle(currentTitle);

             this.setName(currentTitle);

             WindowTitleUtils.setContextTitle(currentTitle);                

     }

         protected  BaseDataOrchestrationRpcServiceAsync getCourseProposalRpcService(){

             return courseServiceAsync;

     }

     public boolean startSectionRequired(){

             //There is no start section for retire screen

             return false;

     }

     @Override

         public boolean isAuthorizationRequired() {

                 //FIXME: Need to add proper authorization checks for admin modify.

                 return false;

         }

         @Override

         protected void progressiveEnableFields() {

                 //Does nothing, there are no progressive enabled fields on retire screens.

         }

         /**

          * Override the getStateforSaveAction since the save action for retire course will change state to 

          * retired.  

          */

         @Override

     protected String getStateforSaveAction(DataModel model){

             return cfg.getState();

     }

 }