/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.lum.lu.ui.course.client.widgets;

 import java.util.ArrayList;

 import java.util.List;

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

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

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

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

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

 import org.kuali.student.common.ui.client.widgets.layout.HorizontalBlockFlowPanel;

 import org.kuali.student.common.ui.client.widgets.menus.KSMenuItemData;

 import org.kuali.student.core.assembly.data.QueryPath;

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

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

 import com.google.gwt.event.logical.shared.CloseHandler;

 import com.google.gwt.user.client.Window;

 import com.google.gwt.user.client.ui.Composite;

 // Skeleton for an action list for View Course.  Actions don't go anywhere yet as most functionality

 // hasn't been coded yet.

 @Deprecated

 public class ViewCourseActionList extends Composite {

         DataModel dataModel=null;

         private KSMenuItemData retireCourseAction;

         private KSMenuItemData copyCourseAction;

         private KSMenuItemData modifyCourseAction;

         List<KSMenuItemData> items = new ArrayList<KSMenuItemData>();

     private String modelName;

     private String courseCodePath;

         private HorizontalBlockFlowPanel rootPanel = new HorizontalBlockFlowPanel();

         private StylishDropDown courseActionsDropDown = new StylishDropDown("Course Actions");

     Controller myController;

         public ViewCourseActionList(CloseHandler<KSLightBox> onSubmitSuccessHandler) {

                 super();

                 super.initWidget(rootPanel);

                 setupButtons();

                 rootPanel.add(courseActionsDropDown);

                 courseActionsDropDown.addStyleName("KS-Workflow-DropDown");

         }

         /* (non-Javadoc)

          * @see com.google.gwt.user.client.ui.Widget#onLoad()

          */

         @Override

         protected void onLoad() {

                 super.onLoad();

                 myController = Controller.findController(this);

                 if(null==dataModel){

                         //Get the Model from the controller and register a model change handler when the workflow model is updated

                         myController.requestModel(modelName, new ModelRequestCallback<DataModel>(){

                                 @Override

                                 public void onRequestFail(Throwable cause) {

                                         Window.alert("Model Request Failed. "+cause.getMessage());

                                 }

                                 @Override

                                 public void onModelReady(DataModel model) {

                                         //After we get the model update immediately

                                         dataModel = model;

                                         updateActions(dataModel);

                                         /*

                                         model.addModelChangeHandler(new ModelChangeHandler(){

                                                 public void onModelChange(ModelChangeEvent event) {

                                                         updateWorkflow(dataModel);                                                        

                                                 }                                                

                                         });

                                         */

                                 }

                         });

                 }else{

                         //If the model has been set don't waste time finding it again and don't register 

                         //another change listener, just update

                         updateActions(dataModel);

                 }

         }

         private String getCourseCodeFromModel(DataModel model){

                 String courseCode = "";

                 if(model!=null){

                         courseCode = model.get(QueryPath.parse(courseCodePath));

                 }

                 return courseCode;

         }

         private void setupButtons() {

 //                final ConfirmationDialog dialog = new ConfirmationDialog("Submit Proposal", "Are you sure you want to submit the proposal to workflow?", "Submit");

 //                dialog.getConfirmButton().addClickHandler(new ClickHandler(){

 //

 //                        @Override

 //                        public void onClick(ClickEvent event) {

 //                                dialog.getConfirmButton().setEnabled(false);

 //                                rpcService.submitDocumentWithData(dataModel.getRoot(), new KSAsyncCallback<DataSaveResult>(){

 //                                        public void handleFailure(

 //                                                        Throwable caught) {

 //                                                Window.alert("Error starting Proposal workflow");

 //                                                dialog.getConfirmButton().setEnabled(true);

 //                                        }

 //                                        public void onSuccess(

 //                                                        DataSaveResult result) {

 //                                                //Update the model with the saved data

 //                                                dataModel.setRoot(result.getValue());

 //                                                

 //                                                items.remove(wfStartWorkflowItem);

 //                                                courseActionsDropDown.setItems(items);

 //                                                dialog.hide();

 //                                                dialog.getConfirmButton().setEnabled(true);

 //                                                //Notify the user that the document was submitted

 //                                                showSuccessDialog();

 //                                        }

 //                                });

 //                                

 //                        }

 //                });

                 copyCourseAction = new KSMenuItemData("Copy Course", new ClickHandler(){

                 public void onClick(ClickEvent event) {

                                 Window.alert("Function not yet implemented");

 //                                rpcService.acknowledgeDocumentWithId(proposalId, new KSAsyncCallback<Boolean>(){

 //                                        public void handleFailure(

 //                                                        Throwable caught) {

 //                                                Window.alert("Error acknowledging Proposal");

 //                                        }

 //                                        public void onSuccess(

 //                                                        Boolean result) {

 //                                                if(result){

 //                                                        Window.alert("Proposal was acknowledged");

 //                                                        items.remove(wfAcknowledgeItem);

 //                                                        courseActionsDropDown.setItems(items);

 //                                                }else{

 //                                                        Window.alert("Error acknowledging Proposal");

 //                                                }

 //                                        }

 //                                        

 //                                });

                 }        

             });

                 retireCourseAction = new KSMenuItemData("Retire Course", new ClickHandler(){

                 public void onClick(ClickEvent event) {

                                 Window.alert("Function not yet implemented");

                         }        

             });

                 modifyCourseAction = new KSMenuItemData("Modify Course", new ClickHandler(){

                 public void onClick(ClickEvent event) {

                                 Window.alert("Function not yet implemented");

                         }        

             });

         }

         private void updateActions(DataModel model){

                 String courseCode = getCourseCodeFromModel(model);

                 items.clear();

                 copyCourseAction.setLabel("Copy " + courseCode );

                 modifyCourseAction.setLabel("Modify " + courseCode );

                 retireCourseAction.setLabel("Retire " + courseCode );

                 items.add(copyCourseAction);

                 items.add(modifyCourseAction);

                 items.add(retireCourseAction);

                 courseActionsDropDown.setItems(items);

         }

         /**

          * Use to set the modelName to use when this widget requests the data model.

          * 

          * @param modelName

          */

         public void setModelName(String modelName) {

                 this.modelName = modelName;

         }

         /**

          * Use to set the data model path to retrieve the id to use for this workflow. 

          * @param courseCodePath

          */

         public void setCourseCodePath(String courseCodePath) {

                 this.courseCodePath = courseCodePath;

         }

         public void refresh(){

                 updateActions(dataModel);

         }

 }