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

 import java.util.List;

 import org.kuali.student.common.rice.authorization.PermissionType;

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

 import org.kuali.student.common.ui.client.configurable.mvc.layouts.BasicLayout;

 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.security.AuthorizationCallback;

 import org.kuali.student.common.ui.client.security.RequiresAuthorization;

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

 import org.kuali.student.lum.common.client.lu.LUUIPermissions;

 import org.kuali.student.lum.lu.ui.dependency.client.views.DependencyAnalysisView;

 public class DependencyAnalysisController extends BasicLayout implements RequiresAuthorization{

     public enum DependencyViews {

         MAIN

     };

     public DependencyAnalysisController(String controllerId) {

         super(controllerId);

         addView(new DependencyAnalysisView(this));

         setDefaultView(DependencyViews.MAIN);

     }

     public void showExport(boolean show) {

         DependencyAnalysisView dependancyView = (DependencyAnalysisView) viewMap.get(DependencyViews.MAIN);

         if (dependancyView.getHeader() != null) {

             dependancyView.getHeader().showExport(isExportButtonActive());

         }

     }

     @Override

     public boolean isExportButtonActive() {

         return true;

     }

     @Override

     public DataModel getExportDataModel() {

         // TODO Auto-generated method stub

         return super.getExportDataModel();

     }

     @Override

     public List<ExportElement> getExportElementsFromView() {

         DependencyAnalysisView view = (DependencyAnalysisView) this.getCurrentView();

         ExportElement element = new ExportElement();

         element.setViewName(view.getName());

         element.setSectionName("");

         return view.getDepResultPanel().getExportElementSubset(element);

     }

     /**

      * @see org.kuali.student.common.ui.client.reporting.ReportExport#getExportTemplateName()

      */

     @Override

     public String getExportTemplateName() {

         return "analysis.template";

     }

     /**

      * This overridden method return the view name when the controller name is null.

      * 

      * @see org.kuali.student.common.ui.client.configurable.mvc.LayoutController#getName()

      */

     @Override

     public String getName() {

         String name = super.getName();

         if ((name == null) && (this.getCurrentView() != null)) {

             name = this.getCurrentView().getName();

         }

         return name;

     }

     @Override

         public boolean isAuthorizationRequired() {

                 return true;

         }

         @Override

         public void setAuthorizationRequired(boolean required) {

                 throw new UnsupportedOperationException();

         }

         @Override

         public void checkAuthorization(final AuthorizationCallback authCallback) {

                 Application.getApplicationContext().getSecurityContext().checkScreenPermission(LUUIPermissions.USE_DEPENDENCY_ANALYSIS_SCREEN, new Callback<Boolean>() {

                         @Override

                         public void exec(Boolean result) {

                                 final boolean isAuthorized = result;

                                 if(isAuthorized){

                                         authCallback.isAuthorized();

                                 }

                                 else

                                         authCallback.isNotAuthorized("User is not authorized: " + LUUIPermissions.USE_DEPENDENCY_ANALYSIS_SCREEN);

                         }        

                 });

         }

 }