package org.kuali.student.lum.program.client.widgets;

 import com.google.gwt.event.shared.HandlerManager;

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

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

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

 import org.kuali.student.common.ui.client.configurable.mvc.sections.VerticalSection;

 import org.kuali.student.common.ui.client.configurable.mvc.views.VerticalSectionView;

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

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

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

 import org.kuali.student.common.ui.client.widgets.field.layout.button.ActionCancelGroup;

 import org.kuali.student.common.ui.client.widgets.field.layout.button.ButtonGroup;

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

 import org.kuali.student.lum.program.client.ProgramConstants;

 import org.kuali.student.lum.program.client.ProgramController;

 import org.kuali.student.lum.program.client.ProgramMsgConstants;

 import org.kuali.student.lum.program.client.events.MetadataLoadedEvent;

 import org.kuali.student.lum.program.client.events.UpdateEvent;

 /**

  * @author Igor

  */

 class SideBarDialogManager {

     private HandlerManager eventBus;

     private KSLightBox dialog;

     private ButtonGroup<ButtonEnumerations.ButtonEnum> buttonGroup = new ActionCancelGroup(ButtonEnumerations.SaveCancelEnum.SAVE, ButtonEnumerations.SaveCancelEnum.CANCEL);

     private VerticalSectionView dialogView = new VerticalSectionView(DialogView.MAIN, getLabel(ProgramMsgConstants.SIDEBAR_DIALOG_TITLE), ProgramConstants.PROGRAM_MODEL_ID, true);

     private boolean viewConfigured = false;

     public SideBarDialogManager(HandlerManager eventBus) {

         this.eventBus = eventBus;

         dialog = new KSLightBox();

         dialog.setWidget(dialogView.asWidget());

         dialog.addButtonGroup(buttonGroup);

         dialog.setSize(300, 190);

         dialog.setModal(false);

         bind();

     }

     private void bind() {

         buttonGroup.addCallback(new Callback<ButtonEnumerations.ButtonEnum>() {

             @Override

             public void exec(ButtonEnumerations.ButtonEnum button) {

                 if (button == ButtonEnumerations.SaveCancelEnum.SAVE) {

                     dialogView.updateModel();

                     eventBus.fireEvent(new UpdateEvent());

                 }

                 dialog.hide();

             }

         });

         eventBus.addHandler(MetadataLoadedEvent.TYPE, new MetadataLoadedEvent.Handler() {

             @Override

             public void onEvent(MetadataLoadedEvent event) {

                 configureView(event.getModelDefinition(), event.getController());

             }

         });

     }

     public void configureView(ModelDefinition modelDefinition, ProgramController controller) {

         if (!viewConfigured) {

             VerticalSection verticalSection = new VerticalSection();

             verticalSection.addField(new FieldDescriptor(ProgramConstants.SCHEDULED_REVIEW_DATE, new MessageKeyInfo(ProgramMsgConstants.SIDEBAR_FORM_SCHEDULEDREVIEWDATE), modelDefinition.getMetadata(ProgramConstants.SCHEDULED_REVIEW_DATE)));

             FieldDescriptor reviewDateDescriptor = new FieldDescriptor(ProgramConstants.LAST_REVIEW_DATE, new MessageKeyInfo(ProgramMsgConstants.SIDEBAR_FORM_LASTREVIEWDATE), modelDefinition.getMetadata(ProgramConstants.LAST_REVIEW_DATE));

             reviewDateDescriptor.setWidgetBinding(new DateBinding());

             verticalSection.addField(reviewDateDescriptor);

             dialogView.setLayoutController(controller);

             dialogView.addSection(verticalSection);

             viewConfigured = true;

         }

     }

     public void show() {

         dialogView.beforeShow(new Callback<Boolean>() {

             @Override

             public void exec(Boolean result) {

             }

         });

         dialogView.updateModel();

         dialog.show();

     }

     private static enum DialogView {

         MAIN

     }

     private String getLabel(String messageKey) {

         return Application.getApplicationContext().getUILabel(ProgramMsgConstants.PROGRAM_MSG_GROUP, messageKey);

     }

 }