canvas-lms/public/javascripts/quiz_show.js

/**
 * Copyright (C) 2011 Instructure, Inc.
 *
 * This file is part of Canvas.
 *
 * Canvas is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, version 3 of the License.
 *
 * Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

define([
  'i18n!quizzes.show',
  'jquery' /* $ */,
  'compiled/views/MessageStudentsDialog',
  'quiz_arrows',
  'quiz_inputs',
  'compiled/models/Publishable',
  'compiled/views/PublishButtonView',
  'jquery.instructure_date_and_time' /* dateString, time_field, datetime_field */,
  'jqueryui/dialog',
  'compiled/jquery/fixDialogButtons',
  'compiled/jquery.rails_flash_notifications',
  'jquery.instructure_misc_helpers' /* scrollSidebar */,
  'jquery.instructure_misc_plugins' /* ifExists, confirmDelete */,
  'jquery.disableWhileLoading',
  'message_students' /* messageStudents */
], function(I18n, $, MessageStudentsDialog, showAnswerArrows, inputMethods, Publishable, PublishButtonView) {


  $(document).ready(function () {

    function ensureStudentsLoaded(callback) {
      if ($('#quiz_details').length) {
        return callback();
      } else {
        return $.get($("#quiz_details_wrapper").data('url'), function(data) {
          $("#quiz_details_wrapper").html(data);
          callback();
        });
      };
    }

    showAnswerArrows();
    inputMethods.disableInputs('[type=radio], [type=checkbox]');
    inputMethods.setWidths();

    $(".delete_quiz_link").click(function(event) {
      event.preventDefault();
      var deleteConfirmMessage = I18n.t('confirms.delete_quiz', "Are you sure you want to delete this quiz?");
      submittedCount = parseInt($('#quiz_details_wrapper').data('submitted-count'));
      if (submittedCount > 0) {
        deleteConfirmMessage += "\n\n" + I18n.t('confirms.delete_quiz_submissions_warning',
          {'one': "Warning: 1 student has already taken this quiz. If you delete it, any completed submissions will be deleted and no longer appear in the gradebook.",
           'other': "Warning: %{count} students have already taken this quiz. If you delete it, any completed submissions will be deleted and no longer appear in the gradebook."},
          {'count': submittedCount});
      }
      $("nothing").confirmDelete({
        url: $(this).attr('href'),
        message: deleteConfirmMessage,
        success: function() {
          window.location.href = ENV.QUIZZES_URL;
        }
      });
    });

    var hasOpenedQuizDetails = false;
    $(".quiz_details_link").click(function(event) {
      event.preventDefault();
      $("#quiz_details_wrapper").disableWhileLoading(
        ensureStudentsLoaded(function() {
          var $quizResultsText = $('#quiz_details_text');
          $("#quiz_details").slideToggle();
          if (hasOpenedQuizDetails) {
            if (ENV.IS_SURVEY) {
              $quizResultsText.text(I18n.t('links.show_student_survey_results',
                                           'Show Student Survey Results'));
            } else {
              $quizResultsText.text(I18n.t('links.show_student_quiz_results',
                                           'Show Student Quiz Results'));
            }
          } else {
            if (ENV.IS_SURVEY) {
              $quizResultsText.text(I18n.t('links.hide_student_survey_results',
                                           'Hide Student Survey Results'));
            } else {
              $quizResultsText.text(I18n.t('links.hide_student_quiz_results',
                                           'Hide Student Quiz Results'));
            }
          }
          hasOpenedQuizDetails = !hasOpenedQuizDetails;
        })
      );
    });

    $(".message_students_link").click(function(event) {
      event.preventDefault();
      ensureStudentsLoaded(function(){
        var submissionList = ENV.QUIZ_SUBMISSION_LIST;
        var unsubmittedStudents = submissionList.UNSUBMITTED_STUDENTS;
        var submittedStudents = submissionList.SUBMITTED_STUDENTS;
        var haveTakenQuiz = I18n.t('students_who_have_taken_the_quiz', "Students who have taken the quiz");
        var haveNotTakenQuiz = I18n.t('students_who_have_not_taken_the_quiz', "Students who have NOT taken the quiz");
        var dialog = new MessageStudentsDialog({
          context: ENV.QUIZ.title,
          recipientGroups: [
            { name: haveTakenQuiz, recipients: submittedStudents },
            { name: haveNotTakenQuiz, recipients: unsubmittedStudents }
          ]
        });
        dialog.open();
      });
    });
    $.scrollSidebar();

    $("#let_students_take_this_quiz_button").ifExists(function($link){
      var $unlock_for_how_long_dialog = $("#unlock_for_how_long_dialog");

      $link.click(function(){
        $unlock_for_how_long_dialog.dialog('open');
        return false;
      });

      $unlock_for_how_long_dialog.dialog({
        autoOpen: false,
        modal: true,
        resizable: false,
        width: 400,
        buttons: {
          'Unlock' : function(){
            var dateString = $(this).find('.datetime_suggest').text();

            $('#quiz_unlock_form')
              // append this back to the form since it got moved to be a child of body when we called .dialog('open')
              .append($(this).dialog('destroy'))
              .find('#quiz_lock_at').val(dateString).end()
              .submit();
          }
        }
      }).find('.datetime_field').datetime_field();
    });

    $('#lock_this_quiz_now_link').ifExists(function($link) {
      $link.click(function(e) {
        e.preventDefault();
        $('#quiz_lock_form').submit();
      })
    });

    if ($('ul.page-action-list').find('li').length > 0) {
      $('ul.page-action-list').show();
    }

    $('#publish_quiz_form').formSubmit({
      beforeSubmit: function(data) {
        $(this).find('button').attr('disabled', true).text(I18n.t('buttons.publishing', "Publishing..."));
      },
      success: function(data) {
        $(this).find('button').text(I18n.t('buttons.already_published', "Published!"));
        location.reload();
      }
    });

    var $el = $('#quiz-publish-link');
    var model = new Publishable({ published: $el.hasClass('published'), id: $el.attr('data-id') },{ url: $el.attr('data-url'), root: 'quiz'});
    var view = new PublishButtonView({model: model, el: $el});
    view.render();
  });

});