@tutor/exercise-editor/lib/exercise_editor.js

The exercise editor for tutor.

var _,
  bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

_ = require('lodash');

module.exports = function(ko) {
  var ExercisePageViewModel, TaskViewModel;
  if (ko.mapping == null) {
    throw Error("You need to load knockout-mapping for the exercise editor.");
  }
  TaskViewModel = (function() {
    function TaskViewModel(data) {
      if (data != null) {
        ko.mapping.fromJS(data, {}, this);
      }
      this.hasTitle = ko.computed((function(_this) {
        return function() {
          return (_this.title() != null) && _this.title().trim() !== '';
        };
      })(this));
      if (this.solution == null) {
        this.solution = ko.observable('');
      }
    }

    return TaskViewModel;

  })();
  ExercisePageViewModel = (function() {
    function ExercisePageViewModel(params) {
      this.init = bind(this.init, this);
      this.submit = bind(this.submit, this);
      this.number = ko.observable();
      this.tasks = ko.observableArray();
      this.exerciseNotFound = ko.observable(false);
      this.isOld = ko.observable(true);
      this.getExercise(params.id, (function(_this) {
        return function(exercise, status, error) {
          var tasks;
          if (exercise != null) {
            _this.exercise = exercise;
            _this.number(exercise.number);
            tasks = _.map(exercise.tasks, function(t) {
              return new TaskViewModel(t);
            });
            _.each(tasks, function(t) {
              t.solution.subscribe(function() {
                return _this.submit(t);
              });
              return _this.tasks.push(t);
            });
            return _this.isOld(Date.parse(exercise.dueDate) < Date.now());
          } else if (status === 404) {
            return _this.exerciseNotFound(true);
          } else {

          }
        };
      })(this));
    }

    ExercisePageViewModel.prototype.submit = function(task) {
      if (task != null) {
        return this.saveTask(task.id, ko.mapping.toJS(task), function(status) {
          return console.log('Submit: ' + status);
        });
      } else {
        return this.saveExercise(exercise.id, ko.mapping.toJS(this.tasks), function(status) {
          return console.log('Submit: ' + status);
        });
      }
    };

    ExercisePageViewModel.prototype.init = function() {
      return $(".popupinfo").popup();
    };

    return ExercisePageViewModel;

  })();
  return {
    ExercisePageViewModel: ExercisePageViewModel
  };
};