/**

  * 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.core.workflow.ui.client.widgets;

 import java.util.ArrayList;

 import java.util.List;

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

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

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

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

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

 import org.kuali.student.common.ui.client.configurable.mvc.LayoutController;

 import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle;

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

 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.mvc.ModelRequestCallback;

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

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

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

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

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

 import org.kuali.student.common.ui.client.widgets.KSButtonAbstract.ButtonStyle;

 import org.kuali.student.common.ui.client.widgets.buttongroups.AcknowledgeCancelGroup;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ConfirmApprovalCancelGroup;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ConfirmCancelGroup;

 import org.kuali.student.common.ui.client.widgets.buttongroups.RejectCancelGroup;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ButtonEnumerations.AcknowledgeCancelEnum;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ButtonEnumerations.ConfirmApprovalCancelEnum;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ButtonEnumerations.ConfirmCancelEnum;

 import org.kuali.student.common.ui.client.widgets.buttongroups.ButtonEnumerations.RejectCancelEnum;

 import org.kuali.student.common.ui.client.widgets.dialog.ConfirmationDialog;

 import org.kuali.student.common.ui.client.widgets.field.layout.element.AbbrPanel;

 import org.kuali.student.common.ui.client.widgets.list.impl.SimpleListItems;

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

 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.validation.dto.ValidationResultInfo;

 import org.kuali.student.core.comment.dto.CommentInfo;

 import org.kuali.student.core.comments.ui.client.service.CommentRpcService;

 import org.kuali.student.core.comments.ui.client.service.CommentRpcServiceAsync;

 import org.kuali.student.core.workflow.ui.client.WorkflowConstants;

 import org.kuali.student.core.workflow.ui.client.service.WorkflowRpcService;

 import org.kuali.student.core.workflow.ui.client.service.WorkflowRpcServiceAsync;

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

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

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

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

 import com.google.gwt.user.client.rpc.AsyncCallback;

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

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

 public class WorkflowUtilities{

         //TODO: This should come from the ReferenceModel like it does in CommentTool

     public static final String PROPOSAL_REF_TYPE_KEY = "referenceType.clu.proposal";

         public static enum DecisionRationaleDetail {

         APPROVE("kuali.comment.type.workflowDecisionRationale.approve", "Approved"),

         REJECT("kuali.comment.type.workflowDecisionRationale.reject", "Rejected"),

         RETURN_TO_PREVIOUS("kuali.comment.type.workflowDecisionRationale.return", "Sent for Revisions"),

         WITHDRAW("kuali.comment.type.workflowDecisionRationale.withdraw", "Withdrawn"),

         ACKNOWLEDGE("kuali.comment.type.workflowDecisionRationale.acknowledge", "Acknowledged"),

         FYI("kuali.comment.type.workflowDecisionRationale.fyi", "FYI"),

         CANCEL_WORKFLOW("kuali.comment.type.workflowDecisionRationale.cancelWorkflow", "Cancelled"),

         BLANKET_APPROVE("kuali.comment.type.workflowDecisionRationale.blanketApprove", "Blanket Approved")

         ;

         private String type = "";

         private String label = "";

         private DecisionRationaleDetail(String type, String label) {

             this.type = type;

             this.label = label;

         }

         public String getType() {

             return type;

         }

         public String getLabel() {

             return label;

         }

         public static DecisionRationaleDetail getByType(String type) {

             for (DecisionRationaleDetail detail : DecisionRationaleDetail.values()) {

                 if (detail.getType().equals(type)) {

                     return detail;

                 }

             }

             return null;

         }

     }

         DataModel dataModel=null;

         boolean loaded=false;

     private boolean workflowWidgetsEnabled = true;

         private KSMenuItemData wfApproveItem;

         private KSMenuItemData wfDisApproveItem;

         private KSMenuItemData wfAcknowledgeItem;

         private KSMenuItemData wfStartWorkflowItem;

     private KSMenuItemData wfCancelWorkflowItem;

         private KSMenuItemData wfFYIWorkflowItem;

         private KSMenuItemData wfWithdrawItem;

     private KSMenuItemData wfReturnToPreviousItem;

     private KSMenuItemData wfBlanketApproveItem;

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

         private final List<KSMenuItemData> additionalItems = new ArrayList<KSMenuItemData>();

     SaveActionEvent approveSaveActionEvent;

     SaveActionEvent startWorkflowSaveActionEvent;

     WorkflowRpcServiceAsync workflowRpcServiceAsync = GWT.create(WorkflowRpcService.class);

     private final CommentRpcServiceAsync commentServiceAsync = GWT.create(CommentRpcService.class);

     private String modelName;

     private String proposalPath;

     private String proposalId = "";

     private String workflowId;

     private String proposalName="";

     private String workflowActions="";

         private final List<StylishDropDown> workflowWidgets = new ArrayList<StylishDropDown>();

         private Callback<Boolean> submitCallback;

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

         private AbbrPanel required; 

         private KSLightBox submitSuccessDialog;

         private VerticalPanel dialogPanel;

     private final KSLabel workflowStatusLabel = new KSLabel("");

     private final LayoutController parentController;

         private String dropDownLabel = "Workflow Actions";

         public WorkflowUtilities(LayoutController parentController, String proposalPath) {

                 this.parentController = parentController;

                 this.proposalPath = proposalPath;

                 setupWFButtons();

                 setupDialog();

         }

         public WorkflowUtilities(LayoutController parentController, String proposalPath, String dropDownLabel) {

                 this.dropDownLabel = dropDownLabel;

                 this.parentController = parentController;

                 this.proposalPath = proposalPath;

                 setupWFButtons();

                 setupDialog();

         }

         public void requestAndSetupModel() {

                 if(null==dataModel){

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

                         parentController.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;

                                         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

                         updateWorkflow(dataModel);

                 }

         }

         private void setupWFButtons() {

                 wfApproveItem = getApproveItem();

                 wfDisApproveItem = getDisApproveItem();

                 wfAcknowledgeItem = getAcknowledgeItem();

                 wfStartWorkflowItem = getStartItem();

                 wfCancelWorkflowItem = getCancelWorkflowItem();

                 wfFYIWorkflowItem = getFYIWorkflowItem();

                 wfWithdrawItem = getWithdrawItem();

                 wfReturnToPreviousItem = getReturnToPreviousItem();

                 wfBlanketApproveItem = getBlanketApproveItem();

         }

         private void setupSubmitSuccessDialog(){

                 if(submitSuccessDialog==null){

                         submitSuccessDialog= new KSLightBox();

                         submitSuccessDialog.setSize(580, 400);

                         dialogPanel = new VerticalPanel();

                         submitSuccessDialog.setWidget(dialogPanel);

                 }

         }

         private void setupDialog(){

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

                         @Override

                         public void onClick(ClickEvent event) {

                                 dialog.getConfirmButton().setEnabled(false);

                                 workflowRpcServiceAsync.submitDocumentWithId(workflowId, new KSAsyncCallback<Boolean>(){

                                         @Override

                     public void handleFailure(Throwable caught) {

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

                                                 dialog.getConfirmButton().setEnabled(true);

                                         }

                                         public void onSuccess(Boolean result) {

                                                 if (result){

                                                         updateWorkflow(dataModel);                                                

                                                         dialog.hide();

                                                         dialog.getConfirmButton().setEnabled(true);

                                                         if(submitCallback != null){

                                                                 submitCallback.exec(true);

                                                         }

                                                         //Notify the user that the document was submitted

                                                         KSNotifier.add(new KSNotification("Proposal has been routed to workflow", false));

                                                 } else {

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

                                                 }

                                         }

                                 });

                         }

                 });

         }

         public Widget getWorkflowActionsWidget(){

                 //InfoMessage infoContainer = new InfoMessage();

                 StylishDropDown workflowActionsDropDown = new StylishDropDown(dropDownLabel );

                 workflowActionsDropDown.makeAButtonWhenOneItem(true);

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

                 workflowWidgets.add(workflowActionsDropDown);

                 workflowActionsDropDown.setVisible(false);

                 updateWorkflow(dataModel);

 /*                infoContainer.add(workflowActionsDropDown);

                 infoContainer.showWarnStyling(false);

                 infoContainer.setVisible(true);*/

                 //workflowActionsDropDown

                 return workflowActionsDropDown;

         }

     public void enableWorkflowActionsWidgets(boolean enable) {

         workflowWidgetsEnabled = enable;

                 updateWorkflowActionsWidget();

         }

         public void doValidationCheck(Callback<List<ValidationResultInfo>> callback){

                 dataModel.validateNextState(callback);

         }

         public KSLabel getWorkflowStatusLabel(){

                 return workflowStatusLabel;

         }

         private void updateWorkflowIdFromModel(final DataModel model){

                 if(model!=null){

                         String modelProposalId = model.get(QueryPath.parse(proposalPath + "/id"));

                         //If proposalId in model has been set or changed, get new workflowId and update workfow widget

                         if (modelProposalId != null && !modelProposalId.isEmpty() && !modelProposalId.equals(proposalId)){

                                 proposalId = modelProposalId;

                                 workflowId = model.get(QueryPath.parse(proposalPath + "/workflowId"));

                                 proposalName = model.get(QueryPath.parse(proposalPath + "/name"));

                         }

                 }

         }

         private void updateWorkflow(DataModel model){

                 updateWorkflowIdFromModel(model);

                 if (workflowId != null && !workflowId.isEmpty()){

                         //Determine which workflow actions are displayed in the drop down

                         workflowRpcServiceAsync.getActionsRequested(workflowId, new KSAsyncCallback<String>(){

                                 public void onSuccess(String result) {

                                         workflowActions = result;

                                         updateWorkflowActionsWidget();

                                 }

                         });

                         workflowRpcServiceAsync.getDocumentStatus(workflowId, new KSAsyncCallback<String>(){

                                 @Override

                                 public void handleFailure(Throwable caught) {

                                         workflowStatusLabel.setText("Status: Unknown");

                                 }

                                 @Override

                                 public void onSuccess(String result) {

                                         setWorkflowStatus(result);

                                 }                                                

                         });

                 } else {

                         workflowStatusLabel.setText("Status: Draft");

                 }                        

         }

         private void updateWorkflowActionsWidget(){

                 items.clear();

                 //Display all workflow actions if workflowWidgetsEnabled, otherwise just display

                 //the cancel option.

                 if (workflowWidgetsEnabled){

                         if(workflowActions.contains("S")){

                                 items.add(wfStartWorkflowItem);

                         }

             if(workflowActions.contains("C")){

                 items.add(wfCancelWorkflowItem);

             }

                         if(workflowActions.contains("A")){

                                 items.add(wfApproveItem);

                                 items.add(wfDisApproveItem);

                         }

                         if(workflowActions.contains("K")){

                                 items.add(wfAcknowledgeItem);

                         }

                         if(workflowActions.contains("F")){

                                 items.add(wfFYIWorkflowItem);

                         }

             if(workflowActions.contains("R")){

                 items.add(wfReturnToPreviousItem);

             }

             if(workflowActions.contains("B")){

                 items.add(wfBlanketApproveItem);

             }

             if(workflowActions.contains("W")){

                 items.add(wfWithdrawItem);

             }

                 } else {

             if(workflowActions.contains("C")){

                 items.add(wfCancelWorkflowItem);

             }

             if(workflowActions.contains("W")){

                 items.add(wfWithdrawItem);

             }

                 }

                 //Add in any other custom items you want in this dropdown.

                 items.addAll(additionalItems);

                 for(StylishDropDown widget: workflowWidgets){

                         widget.setItems(items);

                         widget.setEnabled(true);

                         if(items.isEmpty()){

                                 widget.setVisible(false);

                         }

                         else{

                                 widget.setVisible(true);

                         }

                 }                

         }

         private KSMenuItemData getFYIWorkflowItem() {

                 KSMenuItemData wfFYIWorkflowItem;

                 final KSRichEditor rationaleEditor = new KSRichEditor();

                 wfFYIWorkflowItem = new KSMenuItemData("FYI Proposal", new ClickHandler(){

                 public void onClick(ClickEvent event) {           

                         addRationale(rationaleEditor,DecisionRationaleDetail.FYI.getType());

                                 workflowRpcServiceAsync.fyiDocumentWithId(workflowId, new KSAsyncCallback<Boolean>(){

                                         @Override

                     public void handleFailure(Throwable caught) {

                                                 Window.alert("Error FYIing Proposal");

                                         }

                                         public void onSuccess(

                                                         Boolean result) {

                                                 if(result){

                                                         updateWorkflow(dataModel);

                                                         if(submitCallback != null){

                                                                 submitCallback.exec(true);

                                                         }

                                                         //Notify the user that the document was FYIed

                                                         KSNotifier.add(new KSNotification("Proposal was FYIed", false));

                                                 }else{

                                                         Window.alert("Error FYIing Proposal");

                                                 }

                                         }

                                 });

                 }        

             });

                 return wfFYIWorkflowItem;

         }

         private KSMenuItemData getAcknowledgeItem() {

                 KSMenuItemData wfAcknowledgeItem;

                 wfAcknowledgeItem = new KSMenuItemData("Acknowledge Proposal", new ClickHandler(){

                 public void onClick(ClickEvent event) {

                         setupSubmitSuccessDialog();

                                 final KSRichEditor rationaleEditor = new KSRichEditor();

                                 AcknowledgeCancelGroup approvalButton = new AcknowledgeCancelGroup(new Callback<AcknowledgeCancelEnum>(){

                                         @Override

                                         public void exec(AcknowledgeCancelEnum result) {

                                                 if(!result.name().equals("CANCEL")){

                                                         addRationale(rationaleEditor,DecisionRationaleDetail.ACKNOWLEDGE.getType());

                                                         workflowRpcServiceAsync.acknowledgeDocumentWithId(workflowId, new KSAsyncCallback<Boolean>(){

                                                                 @Override

                                 public void handleFailure(Throwable caught) {

                                                                         submitSuccessDialog.hide();

                                                                         Window.alert("Error acknowledging Proposal");

                                                                 }

                                                                 public void onSuccess(Boolean result) {

                                                                         submitSuccessDialog.hide();

                                                                         if(result){

                                                                                 updateWorkflow(dataModel);

                                                                                 if(submitCallback != null){

                                                                                         submitCallback.exec(true);

                                                                                 }

                                                                                 //Notify the user that the document was acknowledged

                                                                                 KSNotifier.add(new KSNotification("Proposal was acknowledged", false));

                                                                         }else{

                                                                                 Window.alert("Error acknowledging Proposal");

                                                                         }

                                                                 }

                                                         });

                                                 }

                                                 else{

                                                         submitSuccessDialog.hide();

                                                 }

                                         }

                                 });

                                 SectionTitle headerTitle = SectionTitle.generateH3Title("Acknowledge Proposal");

                                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are acknowledging the " + proposalName +" proposal");

                                 SectionTitle fieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                                 dialogPanel.clear();

                                 dialogPanel.add(headerTitle);        

                                 dialogPanel.add(dialogLabel);

                                 dialogPanel.add(fieldLabel);

                                 dialogPanel.add(rationaleEditor);

                                 dialogPanel.add(approvalButton);

                                 submitSuccessDialog.show();

                 }        

             });

                 return wfAcknowledgeItem;

         }

         private KSMenuItemData getDisApproveItem() {

                 KSMenuItemData wfDisApproveItem;

                 wfDisApproveItem = new KSMenuItemData("Reject Proposal", new ClickHandler(){

                 public void onClick(ClickEvent event) {   

                         setupSubmitSuccessDialog();

                                 final KSRichEditor rationaleEditor = new KSRichEditor();

                                 RejectCancelGroup disapprovalButton = new RejectCancelGroup(new Callback<RejectCancelEnum>(){

                                         @Override

                                         public void exec(RejectCancelEnum result) {

                                                 if(!result.name().equals("CANCEL")){

                                                         if(rationaleEditor.getText().trim().equals("")){

                                                                 required.setText("Please enter the decision rationale");

                                                         }

                                                         else{

                                                                 addRationale(rationaleEditor,DecisionRationaleDetail.REJECT.getType());

                                                                 workflowRpcServiceAsync.disapproveDocumentWithId(workflowId, new KSAsyncCallback<Boolean>(){

                                                                         @Override

                                     public void handleFailure(Throwable caught) {

                                                                                 submitSuccessDialog.hide();

                                                                                 Window.alert("Error rejecting Proposal");

                                                                         }

                                                                         public void onSuccess(Boolean result) {

                                                                                 submitSuccessDialog.hide();

                                                                                 if(submitCallback != null){

                                                                                         submitCallback.exec(result);

                                                                                 }

                                                                                 if(result){

                                                                                         KSNotifier.add(new KSNotification("Proposal was rejected", false));

                                                                                         updateWorkflow(dataModel);

                                                                                 }else{

                                                                                         Window.alert("Error rejecting Proposal");

                                                                                 }

                                                                         }

                                                                 });

                                                         }

                                         }

                                         else{

                                                 submitSuccessDialog.hide();

                                         }

                                         }

                                 });

                                 SectionTitle headerTitle = SectionTitle.generateH3Title("Reject Proposal");

                                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are rejecting the " + proposalName +" proposal");

                                 SectionTitle fieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                                 required = new AbbrPanel("Required", "ks-form-module-elements-required", " * ");

                                 required.setVisible(true);

 //                                final KSRichEditor rationaleEditor = new KSRichEditor();

 //                                rationaleEditor.addStyleName("ks-textarea-width");

 //                                rationaleEditor.addStyleName("ks-textarea-large-height");

                                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                                 dialogPanel.clear();

                                 dialogPanel.add(headerTitle);        

                                 dialogPanel.add(dialogLabel);

                                 dialogPanel.add(fieldLabel);

                                 dialogPanel.add(required);

                                 dialogPanel.add(rationaleEditor);

                                 dialogPanel.add(disapprovalButton);

                                 submitSuccessDialog.setWidget(dialogPanel);

                                 submitSuccessDialog.show();

                 }        

             });

                 return wfDisApproveItem;

         }

         private KSMenuItemData getApproveItem() {

                 KSMenuItemData wfApproveItem;

                 wfApproveItem= new KSMenuItemData("Approve Proposal", new ClickHandler(){

                         public void onClick(ClickEvent event) {

                                 setupSubmitSuccessDialog();

                                 final KSRichEditor rationaleEditor = new KSRichEditor();

                                 ConfirmApprovalCancelGroup approvalButton = new ConfirmApprovalCancelGroup(new Callback<ConfirmApprovalCancelEnum>(){

                                         @Override

                                         public void exec(ConfirmApprovalCancelEnum result) {

                                                 if(!result.name().equals("CANCEL")){

                                                         if(rationaleEditor.getText().trim().equals("")){

                                                                 required.setText("Please enter the decision rationale");

                                                         }

                                                         else{

                                                                 addRationale(rationaleEditor,DecisionRationaleDetail.APPROVE.getType());

                                                                 workflowRpcServiceAsync.approveDocumentWithId(workflowId, new KSAsyncCallback<Boolean>(){

                                                                 @Override

                                 public void handleFailure(Throwable caught) {

                                                                         submitSuccessDialog.hide();

                                                                         Window.alert("Error approving Proposal");

                                                                 }

                                                                 public void onSuccess(Boolean result) {

                                                                         submitSuccessDialog.hide();

                                                                         if (result){

                                                                                 updateWorkflow(dataModel);

                                                                                 if(submitCallback != null){

                                                                                         submitCallback.exec(result);

                                                                                 }

                                                                                 //Notify the user that the document was approved

                                                                                 KSNotifier.add(new KSNotification("Proposal was approved", false));

                                                                         } else {

                                                                                 Window.alert("Error approving Proposal");

                                                                         }

                                                                 }

                                                         });

                                                         }

                                         }

                                         else{

                                                 submitSuccessDialog.hide();

                                         }

                                         }

                                 });

                                 SectionTitle headerTitle = SectionTitle.generateH3Title("Approve Proposal");

                                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are approving the " + proposalName +" proposal");

                                 SectionTitle fieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                                 required = new AbbrPanel("Required", "ks-form-module-elements-required", " * ");

                                 required.setVisible(true);

                                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                                 dialogPanel.clear();

                                 dialogPanel.add(headerTitle);        

                                 dialogPanel.add(dialogLabel);

                                 dialogPanel.add(fieldLabel);

                                 dialogPanel.add(required);

                                 dialogPanel.add(rationaleEditor);

                                 dialogPanel.add(approvalButton);

                                 dialogPanel.setSize("580px", "400px");

 //                                submitSuccessDialog.setWidget(dialogPanel);

                                 submitSuccessDialog.show();

                         }        

                 });

                 return wfApproveItem;

         }

     private KSMenuItemData getWithdrawItem() {

         KSMenuItemData wfWithdrawItem;

         wfWithdrawItem = new KSMenuItemData("Withdraw Proposal", new ClickHandler() {

             public void onClick(ClickEvent event) {

                 setupSubmitSuccessDialog();

                 final KSRichEditor rationaleEditor = new KSRichEditor();

                 ConfirmCancelGroup withdrawButton = new ConfirmCancelGroup(new Callback<ConfirmCancelEnum>() {

                     @Override

                     public void exec(ConfirmCancelEnum result) {

                         if (!result.name().equals("CANCEL")) {

                             if (rationaleEditor.getText().trim().equals("")) {

                                 required.setText("Please enter the decision rationale");

                             } else {

                                 addRationale(rationaleEditor, DecisionRationaleDetail.WITHDRAW.getType());

                                 workflowRpcServiceAsync.withdrawDocumentWithId(workflowId, new KSAsyncCallback<Boolean>() {

                                     @Override

                                     public void handleFailure(Throwable caught) {

                                         submitSuccessDialog.hide();

                                         Window.alert("Error withdrawing Proposal");

                                     }

                                     public void onSuccess(Boolean result) {

                                         submitSuccessDialog.hide();

                                         if (result) {

                                             updateWorkflow(dataModel);

                                             if (submitCallback != null) {

                                                 submitCallback.exec(result);

                                             }

                                             // Notify the user that the document was approved

                                             KSNotifier.add(new KSNotification("Proposal will be withdrawn", false));

                                         } else {

                                             Window.alert("Error withdrawing Proposal");

                                         }

                                     }

                                 });

                             }

                         } else {

                             submitSuccessDialog.hide();

                         }

                     }

                 });

                 SectionTitle headerTitle = SectionTitle.generateH3Title("Withdraw Proposal");

                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are withdrawing the " + proposalName + " proposal");

                 SectionTitle fieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                 required = new AbbrPanel("Required", "ks-form-module-elements-required", " * ");

                 required.setVisible(true);

                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                 dialogPanel.clear();

                 dialogPanel.add(headerTitle);

                 dialogPanel.add(dialogLabel);

                 dialogPanel.add(fieldLabel);

                 dialogPanel.add(required);

                 dialogPanel.add(rationaleEditor);

                 dialogPanel.add(withdrawButton);

                 dialogPanel.setSize("580px", "400px");

                 // submitSuccessDialog.setWidget(dialogPanel);

                 submitSuccessDialog.show();

             }

         });

         return wfWithdrawItem;

     }

     private KSMenuItemData getBlanketApproveItem() {

         KSMenuItemData wfBlanketApproveItem;

         wfBlanketApproveItem = new KSMenuItemData("Blanket Approve Proposal", new ClickHandler() {

             public void onClick(ClickEvent event) {

                 setupSubmitSuccessDialog();

                 final KSRichEditor rationaleEditor = new KSRichEditor();

                 ConfirmCancelGroup blanketApprovalButton = new ConfirmCancelGroup(new Callback<ConfirmCancelEnum>() {

                     @Override

                     public void exec(ConfirmCancelEnum result) {

                         if (!result.name().equals("CANCEL")) {

                             if (rationaleEditor.getText().trim().equals("")) {

                                 required.setText("Please enter the decision rationale");

                             } else {

                                 addRationale(rationaleEditor, DecisionRationaleDetail.BLANKET_APPROVE.getType());

                                 workflowRpcServiceAsync.blanketApproveDocumentWithId(workflowId, new KSAsyncCallback<Boolean>() {

                                     @Override

                                     public void handleFailure(Throwable caught) {

                                                     submitSuccessDialog.hide();

                                         Window.alert("Error blanket approving Proposal");

                                     }

                                     public void onSuccess(Boolean result) {

                                                     submitSuccessDialog.hide();

                                         if (result) {

                                             // KSLAB-1828; we get "B" back from workflowRpcServiceAsync.getActionsRequested()

                                             // even though we just successfully submitted blanket approval to workflow,

                                             // because the workflow action hasn't been completed yet.

                                             enableWorkflowActionsWidgets(false);

                                             updateWorkflow(dataModel);

                                             if (submitCallback != null) {

                                                 submitCallback.exec(result);

                                             }

                                             // Notify the user that the document was approved

                                             KSNotifier.add(new KSNotification("Proposal will be blanket approved", false));

                                         } else {

                                             Window.alert("Error blanket approving Proposal");

                                         }

                                     }

                                 });            

                             }

                         } else {

                             submitSuccessDialog.hide();

                         }

                     }

                 });

                 SectionTitle headerTitle = SectionTitle.generateH3Title("Blanket Approve Proposal");

                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are blanket approving the " + proposalName + " proposal");

                 SectionTitle fieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                 required = new AbbrPanel("Required", "ks-form-module-elements-required", " * ");

                 required.setVisible(true);

                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                 dialogPanel.clear();

                 dialogPanel.add(headerTitle);

                 dialogPanel.add(dialogLabel);

                 dialogPanel.add(fieldLabel);

                 dialogPanel.add(required);

                 dialogPanel.add(rationaleEditor);

                 dialogPanel.add(blanketApprovalButton);

                 dialogPanel.setSize("580px", "400px");

                 // submitSuccessDialog.setWidget(dialogPanel);

                 submitSuccessDialog.show();

             }

         });

         return wfBlanketApproveItem;

     }

     /**

      * Call this method to blanked approve the workflow document associated with dataModel

      * 

      * 

      * @param onSuccessCallback

      */

     public void blanketApprove(final Callback<Boolean> onSuccessCallback){

                    updateWorkflowIdFromModel(dataModel);

         workflowRpcServiceAsync.blanketApproveDocumentWithId(workflowId, new KSAsyncCallback<Boolean>() {

             @Override

             public void handleFailure(Throwable caught) {

                 Window.alert("Error blanket approving Proposal");

             }

             public void onSuccess(Boolean result) {

                 if (result) {

                         onSuccessCallback.exec(true);

                 } else {

                     Window.alert("Error blanket approving Proposal");

                 }

             }

         });            

     }

     /**

      * Call this method to cancel the workflow document associated with dataModel. User will be presented 

      * with a confirmation dialog to confirm the cancellation of the proposal.

      * 

      * @param onSuccessCallback

      */

     public void cancel(final Callback<Boolean> onSuccessCallback){

             ConfirmationDialog confirmCancelDialog = getConfirmationCancelProposalDialog(onSuccessCallback);

             confirmCancelDialog.show();

     }

     protected KSDropDown setUpReturnToPreviousDropDown(String workflowId) {

 //        nodeNameList.clear();

         final KSDropDown nodeNameDropDown = new KSDropDown();

         nodeNameDropDown.setBlankFirstItem(true);

         workflowRpcServiceAsync.getPreviousRouteNodeNames(workflowId, new KSAsyncCallback<List<String>>() {

             @Override

             public void handleFailure(Throwable caught) {

                 Window.alert("Error getting previous node names for Proposal");

             }

             public void onSuccess(List<String> result) {

                 SimpleListItems nodeNameList = new SimpleListItems();

                 for (String nodeName : result) {

                     nodeNameList.addItem(nodeName, nodeName);

                 }

                 nodeNameDropDown.setListItems(nodeNameList);

             }

         });

         nodeNameDropDown.setInitialized(true);

         return nodeNameDropDown;

     }

     private KSMenuItemData getReturnToPreviousItem() {

         KSMenuItemData wfReturnToPreviousItem;

         wfReturnToPreviousItem = new KSMenuItemData("Return Proposal to Previous Node", new ClickHandler() {

             public void onClick(ClickEvent event) {

                 setupSubmitSuccessDialog();

                 final KSRichEditor rationaleEditor = new KSRichEditor();

                 final KSDropDown nodeNameDropDown = setUpReturnToPreviousDropDown(workflowId);

                 ConfirmCancelGroup returnButton = new ConfirmCancelGroup(new Callback<ConfirmCancelEnum>() {

                     @Override

                     public void exec(ConfirmCancelEnum result) {

                         if (!result.name().equals("CANCEL")) {

                             if ((rationaleEditor.getText().trim().equals("")) && (nodeNameDropDown.getSelectedItem().trim().equals(""))) {

                                 required.setText("Please enter the decision rationale and select a node name to return to");

                             } else if (rationaleEditor.getText().trim().equals("")) {

                                 required.setText("Please enter the decision rationale");

                             } else if (nodeNameDropDown.getSelectedItem().trim().equals("")) {

                                 required.setText("Please select a node name to return to");

                             } else {

                                 addRationale(rationaleEditor, DecisionRationaleDetail.RETURN_TO_PREVIOUS.getType());

                                 String nodeName = nodeNameDropDown.getSelectedItem().trim();

                                 workflowRpcServiceAsync.returnDocumentWithId(workflowId, nodeName, new KSAsyncCallback<Boolean>() {

                                     @Override

                                     public void handleFailure(Throwable caught) {

                                         submitSuccessDialog.hide();

                                         Window.alert("Error returning the Proposal to a previous node");

                                     }

                                     public void onSuccess(Boolean result) {

                                         submitSuccessDialog.hide();

                                         if (result) {

                                             updateWorkflow(dataModel);

                                             if (submitCallback != null) {

                                                 submitCallback.exec(result);

                                             }

                                             // Notify the user that the document was approved

                                             KSNotifier.add(new KSNotification("Proposal was returned", false));

                                         } else {

                                             Window.alert("Error returning the Proposal to a previous node");

                                         }

                                     }

                                 });

                             }

                         } else {

                             submitSuccessDialog.hide();

                         }

                     }

                 });

                 SectionTitle headerTitle = SectionTitle.generateH3Title("Return Proposal to Previous Node");

                 SectionTitle dialogLabel = SectionTitle.generateH4Title("You are returning the " + proposalName + " proposal to a previous node");

                 SectionTitle nnFieldLabel = SectionTitle.generateH4Title("Workflow Node Name");

                 SectionTitle drFieldLabel = SectionTitle.generateH4Title("Decision Rationale");

                 required = new AbbrPanel("Required", "ks-form-module-elements-required", " * ");

                 required.setVisible(true);

                 rationaleEditor.addStyleName("KS-Comment-Create-Editor");

                 dialogPanel.clear();

                 dialogPanel.add(headerTitle);

                 dialogPanel.add(dialogLabel);

                 dialogPanel.add(nnFieldLabel);

                 dialogPanel.add(nodeNameDropDown);

                 dialogPanel.add(drFieldLabel);

                 dialogPanel.add(required);

                 dialogPanel.add(rationaleEditor);

                 dialogPanel.add(returnButton);

                 dialogPanel.setSize("580px", "400px");

                 // submitSuccessDialog.setWidget(dialogPanel);

                 submitSuccessDialog.show();

             }

         });

         return wfReturnToPreviousItem;

         }

     private void addRationale(KSRichEditor rationaleEditor, String rationaleType) {

         CommentInfo newDecisionRationale = new CommentInfo();

         RichTextInfo text = new RichTextInfo();

         text.setFormatted(rationaleEditor.getHTML());

         text.setPlain(rationaleEditor.getText());

         newDecisionRationale.setReferenceTypeKey(PROPOSAL_REF_TYPE_KEY);

         newDecisionRationale.setReferenceId(proposalId);

         newDecisionRationale.setState(DtoState.ACTIVE.toString());

         newDecisionRationale.setCommentText(text);

         newDecisionRationale.setType(rationaleType);

         try {

             commentServiceAsync.addComment(proposalId, PROPOSAL_REF_TYPE_KEY, newDecisionRationale, new KSAsyncCallback<CommentInfo>() {

                 @Override

                 public void handleFailure(Throwable caught) {

                     GWT.log("Add Comment Failed", caught);

                 }

                 @Override

                 public void onSuccess(CommentInfo result) {

                     System.out.println("Rationale Added successfully");

                 }

             });

         } catch (Exception e) {

             GWT.log("Add Comment Failed", e);

         }

     }

     private KSMenuItemData getStartItem() {

         KSMenuItemData wfStartWorkflowItem;

             wfStartWorkflowItem = new KSMenuItemData("Submit Proposal", new ClickHandler(){

                     public void onClick(ClickEvent event) {

                 //Make sure the entire data model is valid before submit

                                 dataModel.validateNextState(new Callback<List<ValidationResultInfo>>() {

                     @Override

                     public void exec(List<ValidationResultInfo> result) {

                         boolean isValid = parentController.isValid(result, false);

                             if(isValid){

                                             dialog.show();

                             }

                             else{

                                     Window.alert("Unable to submit to workflow.  Please check sections for missing fields.");

                             }                            

                     }

                 });

                     }

             });

                 return wfStartWorkflowItem;

         }

     private KSMenuItemData getCancelWorkflowItem() {

         KSMenuItemData wfCancelWorkflowItem;

         wfCancelWorkflowItem = new KSMenuItemData("Cancel Proposal", new ClickHandler() {

             public void onClick(ClickEvent event) {        

                     ConfirmationDialog confirmationCancelProposal = getConfirmationCancelProposalDialog(null);

                     confirmationCancelProposal.show();

             }

         });

         return wfCancelWorkflowItem;

     }

     protected ConfirmationDialog getConfirmationCancelProposalDialog (final Callback<Boolean> onSuccessCallback){

             final ConfirmationDialog confirmationCancelProposal = new ConfirmationDialog("Cancel Proposal","This action is not reversible and all data will be lost. Do you wish to cancel this proposal?");

             confirmationCancelProposal.getConfirmButton().setText("Yes, cancel proposal");

             confirmationCancelProposal.getCancelButton().setStyleName(ButtonStyle.PRIMARY_SMALL.getStyle());

         confirmationCancelProposal.getCancelButton().setText("No, return to proposal");

             confirmationCancelProposal.getConfirmButton().addClickHandler(new ClickHandler(){

                     @Override

                     public void onClick(ClickEvent event) {

                             workflowRpcServiceAsync.cancelDocumentWithId(workflowId, new KSAsyncCallback<Boolean>() {

                                     @Override

                     public void handleFailure(Throwable caught) {

                                             confirmationCancelProposal.hide();

                                             Window.alert("Error Cancelling Proposal");

                                     }

                                     public void onSuccess(Boolean result) {

                                             confirmationCancelProposal.hide();

                                             if (result) {

                                                     updateWorkflow(dataModel);

                                                     if (submitCallback != null) {

                                                             submitCallback.exec(true);

                                                     }

                                                     if (onSuccessCallback != null){

                                                             onSuccessCallback.exec(true);

                                                     }

                                                     // Notify the user that the document was canceled

                                                     KSNotifier.add(new KSNotification("Proposal will be Cancelled", false));

                                             } else {

                                                     Window.alert("Error Cancelling Proposal");

                                             }

                                     }

                             });

                     }

         });  

             return confirmationCancelProposal;

     }

     private void setWorkflowStatus(String statusCd){

                 String statusTranslation = "";

                 if (WorkflowConstants.ROUTE_HEADER_SAVED_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_SAVED_LABEL_KEY);

                 } else  if (WorkflowConstants.ROUTE_HEADER_INITIATED_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_INITIATED_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_ENROUTE_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_ENROUTE_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_APPROVED_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_APPROVED_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_CANCEL_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_CANCEL_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_EXCEPTION_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_EXCEPTION_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_DISAPPROVED_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_DISAPPROVED_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_FINAL_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_FINAL_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_DISAPPROVE_CANCEL_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_DISAPPROVE_CANCEL_LABEL_KEY);

                 } else if (WorkflowConstants.ROUTE_HEADER_PROCESSED_CD.equals(statusCd)){

                         statusTranslation = getLabel(WorkflowConstants.ROUTE_HEADER_PROCESSED_LABEL_KEY);

                 } else {

                         statusTranslation = statusCd;

                 }

                 workflowStatusLabel.setText("Status: " + statusTranslation);        

         }

         /**

          * 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 propsal data to use for this workflow. 

          * @param idPath

          */

         public void setProposalPath(String proposalPath) {

                 this.proposalPath = proposalPath;

         }

         public void setWorkflowRpcService(WorkflowRpcServiceAsync workflowRpcServiceAsync){

                 this.workflowRpcServiceAsync = workflowRpcServiceAsync;

         }

     //TODO: currently causing a lot of duplicate calls and has to be used carefully. Commented out for now.

         public void refresh(){

                 updateWorkflow(dataModel);

         }

     private String getLabel(String labelKey) {

         return Application.getApplicationContext().getUILabel("common", null, null, labelKey);

     }

     public void getDataIdFromWorkflowId(String workflowId, AsyncCallback<String> callback){

             workflowRpcServiceAsync.getDataIdFromWorkflowId(workflowId, callback);

     }

         public void addSubmitCallback(Callback<Boolean> callback) {

                 this.submitCallback = callback;

         }

         public List<KSMenuItemData> getAdditionalItems() {

                 return additionalItems;

         }

 }