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

 import java.util.List;

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

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

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

 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.KSCheckBox;

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

 import org.kuali.student.common.ui.client.widgets.list.KSSelectedList;

 import org.kuali.student.common.ui.client.widgets.search.SelectedResults;

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

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

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

 /**

  * @author Igor

  */

 public class CoreManagingBodiesEditConfiguration extends AbstractSectionConfiguration {

     public CoreManagingBodiesEditConfiguration(Configurer configurer) {

         this.setConfigurer(configurer);

         rootSection = new VerticalSectionView(ProgramSections.MANAGE_BODIES_EDIT, getLabel(ProgramMsgConstants.PROGRAM_MENU_SECTIONS_MANAGINGBODIES), ProgramConstants.PROGRAM_MODEL_ID);

     }

     @Override

     protected void buildLayout() {

             HorizontalSection section;

         section = new HorizontalSection();

         FieldDescriptor cou = configurer.addField(section, ProgramConstants.CURRICULUM_OVERSIGHT_UNIT, generateMessageInfo(ProgramMsgConstants.MANAGINGBODIES_CURRICULUMOVERSIGHTUNIT));

         FieldDescriptor cod = configurer.addField(section, ProgramConstants.CURRICULUM_OVERSIGHT_DIVISION, generateMessageInfo(ProgramMsgConstants.MANAGINGBODIES_CURRICULUMOVERSIGHTDIVISION));

         rootSection.addSection(section);

         section = new HorizontalSection();

         FieldDescriptor sou = configurer.addField(section, ProgramConstants.STUDENT_OVERSIGHT_UNIT, generateMessageInfo(ProgramMsgConstants.MANAGINGBODIES_STUDENTOVERSIGHTUNIT));

         FieldDescriptor sod = configurer.addField(section, ProgramConstants.STUDENT_OVERSIGHT_DIVISION, generateMessageInfo(ProgramMsgConstants.MANAGINGBODIES_STUDENTOVERSIGHTDIVISION));

         rootSection.addSection(section);

         final KSCheckBox unitCheckBox = new KSCheckBox("I want the \"Add to List\" button to populate all units below");//Make a message

         final KSCheckBox divisionCheckBox = new KSCheckBox("I want the \"Add to List\" button to populate all divisions below");//Make a message

         unitCheckBox.setValue(true);

         divisionCheckBox.setValue(true);

         final KSSelectedList[] unitSelects = new KSSelectedList[]{(KSSelectedList) sou.getFieldWidget()};

         final KSSelectedList[] divisionSelects = new KSSelectedList[]{(KSSelectedList) sod.getFieldWidget()};

         rootSection.addStyleName("KS-Dropdown-Short");

         //get a handle to the add to list button, chain in adding to all fds 

         if(cou.getFieldWidget() instanceof KSSelectedList){

                 final KSSelectedList couWidget = (KSSelectedList)cou.getFieldWidget();

                 couWidget.getMainPanel().insert(unitCheckBox, 1);

                 couWidget.getAddItemButton().addClickHandler(new ClickHandler(){

                                 public void onClick(ClickEvent event) {

                                         if(unitCheckBox.getValue()){

                                                 KSItemLabel lastAdded = couWidget.getSelectedItems().get(couWidget.getSelectedItems().size()-1);

                             for(KSSelectedList select:unitSelects){

                                 select.addItem(lastAdded.getKey(), lastAdded.getDisplayText());

                         }

                         }

                                 }

                 });

                 //Also add a hook into the advanced search

                 final Callback<List<SelectedResults>> originalAdvancedSearchCallback = couWidget.getPicker().getAdvancedSearchCallback();

                 couWidget.getPicker().setAdvancedSearchCallback(new Callback<List<SelectedResults>>() {

                 public void exec(List<SelectedResults> results) {

                         //Chain the original call and add the new item(s) to the rest of the selects

                         originalAdvancedSearchCallback.exec(results);

                     if (unitCheckBox.getValue() && results.size() > 0) {

                                                 for (SelectedResults res : results) {

                             for(KSSelectedList select:unitSelects){

                                     select.addItem(res.getReturnKey(), res.getDisplayKey());

                             }

                             }

                     }

                 }

             });

         }

         if(cod.getFieldWidget() instanceof KSSelectedList){

                 final KSSelectedList codWidget = (KSSelectedList)cod.getFieldWidget();

                 codWidget.getMainPanel().insert(divisionCheckBox, 1);

                 codWidget.getAddItemButton().addClickHandler(new ClickHandler(){

                                 public void onClick(ClickEvent event) {

                                         if(divisionCheckBox.getValue()){

                                                 KSItemLabel lastAdded = codWidget.getSelectedItems().get(codWidget.getSelectedItems().size()-1);

                             for(KSSelectedList select:divisionSelects){

                                 select.addItem(lastAdded.getKey(), lastAdded.getDisplayText());

                         }

                         }

                                 }

                 });

         }

     }

 }