package org.kuali.student.lum.program.client.major.edit;

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

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

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

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

 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.DataModel;

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

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

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

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

 import org.kuali.student.lum.common.client.configuration.AbstractSectionConfiguration;

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

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

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

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

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

 import org.kuali.student.lum.program.client.major.MajorManager;

 import org.kuali.student.lum.program.client.permissions.ModelPermissionType;

 import org.kuali.student.lum.program.client.variation.VariationsBinding;

 /**

  * @author Igor

  */

 public class SpecializationsEditConfiguration extends AbstractSectionConfiguration {

     private final KSButton addSpecializationButton;

     public SpecializationsEditConfiguration(Configurer configurer) {

         this.setConfigurer(configurer);

         addSpecializationButton = new KSButton(getLabel(ProgramMsgConstants.VARIATIONINFORMATION_BUTTON_ADDSPECIALIZATION), ButtonStyle.SECONDARY);

         rootSection = new VerticalSectionView(ProgramSections.SPECIALIZATIONS_EDIT, getLabel(ProgramMsgConstants.PROGRAM_MENU_SECTIONS_SPECIALIZATIONS), ProgramConstants.PROGRAM_MODEL_ID);

         bind();

     }

     private void bind() {

         addSpecializationButton.addClickHandler(new ClickHandler() {

             @Override

             public void onClick(ClickEvent event) {

                 MajorManager.getEventBus().fireEvent(new AddSpecializationEvent());

             }

         });

     }

     @Override

     protected void buildLayout() {

         VerticalSection section = new VerticalSection();

         KSCheckBox isVariationRequiredCheckBox = new KSCheckBox(getLabel(ProgramMsgConstants.PROGRAMSPECIALIZATION_INSTRUCTIONS));

         configurer.addField(section, ProgramConstants.IS_VARIATION_REQUIRED, null, isVariationRequiredCheckBox);

         configurer.addField(section, ProgramConstants.VARIATIONS, new MessageKeyInfo(""), new FlexTable()).setWidgetBinding(new VariationsBinding(AppLocations.Locations.EDIT_VARIATION.getLocation(), true, this));

         section.addWidget(addSpecializationButton);

         rootSection.addSection(section);

     }

     @Override

     public boolean checkPermission(DataModel model) {

         return ModelPermissionType.DRAFT_STATUS.check(model);

     }

     @Override

     public void applyRestrictions() {

         addSpecializationButton.setEnabled(false);

     }

     @Override

     public void removeRestrictions() {

         addSpecializationButton.setEnabled(true);

     }

 }