package org.kuali.student.lum.lu.ui.course.client.configuration;

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

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

 import org.kuali.student.common.ui.client.configurable.mvc.layouts.MenuSectionController;

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

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

 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.mvc.Controller;

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

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

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

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

 import org.kuali.student.core.comments.ui.client.widgets.commenttool.CommentTool;

 import org.kuali.student.core.comments.ui.client.widgets.commenttool.CommentTool.EditMode;

 import org.kuali.student.core.document.ui.client.widgets.documenttool.DocumentTool;

 import org.kuali.student.lum.common.client.lu.LUUIConstants;

 import org.kuali.student.lum.lu.ui.course.client.controllers.CourseAdminController;

 import org.kuali.student.lum.lu.ui.course.client.controllers.CourseProposalController;

 import org.kuali.student.lum.lu.ui.course.client.requirements.CourseRequirementsViewController;

 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.ui.Composite;

 /**

  * This is the screen configuration and layout for the create/modify admin screens

  * 

  * @author Will

  *

  */

 public class CourseAdminConfigurer extends CourseProposalConfigurer{

     protected CourseRequirementsViewController requisitesSection;

     private RequiredContainer requiredContainer = new RequiredContainer();

     /**

      * Sets up all the views, sections, and views of the CourseAdminController.  This should be called

      * once for initialization and setup per CourseAdminController instance.

      * 

      * @param layout

      */

     public void configure(final CourseProposalController layout) {

             type = "course";

         state = DtoConstants.STATE_DRAFT;

         nextState = DtoConstants.STATE_ACTIVE;

             groupName = LUUIConstants.COURSE_GROUP_NAME;

         layout.addContentWidget(layout.getWfUtilities().getProposalStatusLabel());

         if (modelDefinition.getMetadata().isCanEdit()) {

             layout.addInfoWidget(requiredContainer);

             layout.addView(generateCourseAdminView((CourseAdminController) layout));

         } else {

             CourseSummaryConfigurer summaryConfigurer = GWT.create(CourseSummaryConfigurer.class);

             summaryConfigurer.init(type, state, groupName, (DataModelDefinition) modelDefinition, stmtTypes, (Controller) layout, COURSE_PROPOSAL_MODEL);

             layout.removeMenuNavigation();

             layout.addView(summaryConfigurer.generateProposalSummarySection(false));

             final CommentTool commentTool = createCommentTool(layout);

             commentTool.setEditMode(EditMode.VIEW_COMMENT);

         }

     }

         /**

          * Configuration for the course admin screens

          * 

          * @return view 

          */

     protected View generateCourseAdminView(final CourseAdminController layout) {

         VerticalSectionView view = 

                 new VerticalSectionView(CourseSections.COURSE_INFO, getLabel(LUUIConstants.INFORMATION_LABEL_KEY), COURSE_PROPOSAL_MODEL, false);

         view.addStyleName(LUUIConstants.STYLE_SECTION);

         // Create course admin sections

         Section courseSection = generateCourseInfoSection(initSection(LUUIConstants.INFORMATION_LABEL_KEY)); 

         Section governanceSection = generateGovernanceSection(initSection(LUUIConstants.GOVERNANCE_LABEL_KEY));

         Section logisticsSection = generateCourseLogisticsSection(initSection(LUUIConstants.LOGISTICS_LABEL_KEY));

         Section loSection = initSection(LUUIConstants.LEARNING_OBJECTIVES_LABEL_KEY);

         loSection.addSection(generateLearningObjectivesNestedSection());

         Section activeDatesSection = generateActiveDatesSection(initSection(LUUIConstants.ACTIVE_DATES_LABEL_KEY));

         Section financialSection = generateFinancialsSection(initSection(LUUIConstants.FINANCIALS_LABEL_KEY));

         //Create the requisite section

         requisitesSection = new CourseRequirementsViewController(layout, getLabel(LUUIConstants.REQUISITES_LABEL_KEY), CourseSections.COURSE_REQUISITES, false, false);

         //Create the document upload section

         documentTool = new DocumentTool(LUUIConstants.REF_DOC_RELATION_PROPOSAL_TYPE,CourseSections.DOCUMENTS, getLabel(LUUIConstants.TOOL_DOCUMENTS_LABEL_KEY));

         documentTool.setModelDefinition((DataModelDefinition)modelDefinition);

         documentTool.setController(layout);

         documentTool.setTitle(getLabel(LUUIConstants.TOOL_DOCUMENTS_LABEL_KEY));

         documentTool.addStyleName(LUUIConstants.STYLE_SECTION);

         createCommentTool(layout);

         //Add course admin sections to view

         view.addSection(courseSection);

         view.addSection(governanceSection);

         view.addSection(logisticsSection);

         view.addSection(loSection);

         view.addSection(this.createHiddenRequisitesSection());

         view.addView(requisitesSection);

         view.addSection(LUUIConstants.ACTIVE_DATES_LABEL_KEY,activeDatesSection);

         view.addSection(financialSection);

         view.addView(documentTool);

         //Add menu items for sections

         String sections = getLabel(LUUIConstants.COURSE_SECTIONS);

         layout.addMenu(sections);

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.INFORMATION_LABEL_KEY), LUUIConstants.INFORMATION_LABEL_KEY, courseSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.GOVERNANCE_LABEL_KEY), LUUIConstants.GOVERNANCE_LABEL_KEY, governanceSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.LOGISTICS_LABEL_KEY), LUUIConstants.LOGISTICS_LABEL_KEY, logisticsSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.LEARNING_OBJECTIVE_LABEL_KEY), LUUIConstants.LEARNING_OBJECTIVE_LABEL_KEY, loSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.REQUISITES_LABEL_KEY), LUUIConstants.REQUISITES_LABEL_KEY, requisitesSection);

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.ACTIVE_DATES_LABEL_KEY), LUUIConstants.ACTIVE_DATES_LABEL_KEY, activeDatesSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.FINANCIALS_LABEL_KEY), LUUIConstants.FINANCIALS_LABEL_KEY, financialSection.getLayout());

         layout.addMenuItemSection(sections, getLabel(LUUIConstants.TOOL_DOCUMENTS_LABEL_KEY), LUUIConstants.TOOL_DOCUMENTS_LABEL_KEY, documentTool);

         //Add buttons to top and bottom of view

         layout.addButtonForView(CourseSections.COURSE_INFO, layout.getApproveAndActivateButton());

         layout.addButtonForView(CourseSections.COURSE_INFO, layout.getSaveButton());

         layout.addButtonForView(CourseSections.COURSE_INFO, layout.getCancelButton());

         layout.addTopButtonForView(CourseSections.COURSE_INFO, layout.getApproveAndActivateButton());

         layout.addTopButtonForView(CourseSections.COURSE_INFO, layout.getSaveButton());

         layout.addTopButtonForView(CourseSections.COURSE_INFO, layout.getCancelButton());

         // Setup show/hide non-required fields configuration.

         this.addDocToolLink();

         requiredContainer.setMainSection(view);

         return view;

     }

     private CommentTool createCommentTool(final MenuSectionController layout) {

         //Create and add the comment tool

         final CommentTool commentTool = new CommentTool(CourseSections.COMMENTS, getLabel(LUUIConstants.TOOL_COMMENTS_LABEL_KEY), "kuali.comment.type.generalRemarks", "Proposal Comments");

         commentTool.setController(layout);        

         layout.addContentWidget(new KSButton("Comments", ButtonStyle.DEFAULT_ANCHOR, new ClickHandler() {

             @Override

             public void onClick(ClickEvent event) {

                 commentTool.show();

             }

         }));

         return commentTool;

     }

     /**

      * Gets the requisite view associated with the CourseAdminConfigurer

      * 

      * @param layout

      * @return The requisite view used by this configurer

      */

     public CourseRequirementsViewController getRequisitesSection() {

             return requisitesSection;

         }

     /**

      * Gets the Document Tool View associated with the CourseAdminConfigurer

      * 

      * @param layout

      * @return The DocumentTool used by this configurer

      */

     public DocumentTool getDocumentTool() {

         return documentTool;

     }

     protected VerticalSection initSection(String labelKey) {

         final VerticalSection section = initSection(SectionTitle.generateH2Title(getLabel(labelKey)), NO_DIVIDER);

         // Add Show All Link on the sections.

         section.addShowAllLink(requiredContainer.createShowAllLink(new ClickHandler() {

             @Override

             public void onClick(ClickEvent event) {

                 requiredContainer.processInnerSection(section, true);

                 section.getShowAllLink().setVisible(false);

             }

         }));

         return section;

     }

     private VerticalSection createHiddenRequisitesSection() {

         final VerticalSection section = initSection(SectionTitle.generateH2Title(getLabel(LUUIConstants.REQUISITES_LABEL_KEY)), NO_DIVIDER);

         // Add Show All Link on the sections.

         section.addShowAllLink(requiredContainer.createShowAllLink(new ClickHandler() {

             @Override

             public void onClick(ClickEvent event) {

                 requisitesSection.asWidget().setVisible(true);

                 section.getLayout().setVisible(false);

                 section.setSectionId(LUUIConstants.REQUISITES_LABEL_KEY + "_Hidden");

             }

         }));

         // Setup show/hide non-required fields configuration.

         requiredContainer.addCallback(new Callback<Boolean>() {

             @Override

             public void exec(Boolean result) {

                 requisitesSection.asWidget().setVisible(result);

                 section.getLayout().setVisible(!result);

                 if (result) {

                     section.setSectionId(LUUIConstants.REQUISITES_LABEL_KEY + "_Hidden");

                 } else {

                     section.setSectionId(LUUIConstants.REQUISITES_LABEL_KEY);

                 }

             }

         });

         return section;

     }

     private void addDocToolLink(){

         Composite container = requiredContainer.createShowAllLink(new ClickHandler() {

             @Override

             public void onClick(ClickEvent event) {

                 documentTool.showShowAllLink(false);

             }

         });

         // Setup show/hide non-required fields configuration.

         requiredContainer.addCallback(new Callback<Boolean>() {

             @Override

             public void exec(Boolean result) {

                 documentTool.showShowAllLink(!result);

             }

         });

         documentTool.setShowAllLink(container);

     }

 }