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/**
* A managed course.
*
* @namespace M.course.management
* @class Course
* @constructor
* @extends Item
*/
Course = function() {
Course.superclass.constructor.apply(this, arguments);
};
Course.NAME = 'moodle-course-management-course';
Course.CSS_PREFIX = 'management-course';
Course.ATTRS = {
/**
* The course ID of this course.
* @attribute courseid
* @type Number
*/
courseid: {},
/**
* True if this is the selected course.
* @attribute selected
* @type Boolean
* @default null
*/
selected: {
getter: function(value, name) {
if (value === null) {
value = this.get('node').getData(name);
this.set(name, value);
}
return value;
},
value: null
},
node: {
},
/**
* The management console tracking this course.
* @attribute console
* @type Console
* @writeOnce
*/
console: {
writeOnce: 'initOnly'
},
/**
* The category this course belongs to.
* @attribute category
* @type Category
* @writeOnce
*/
category: {
writeOnce: 'initOnly'
}
};
Course.prototype = {
/**
* Initialises the new course instance.
* @method initializer
*/
initializer: function() {
var node = this.get('node'),
category = this.get('category');
this.set('courseid', node.getData('id'));
if (category && category.registerCourse) {
category.registerCourse(this);
}
this.set('itemname', 'course');
},
/**
* Returns the name of the course.
* @method getName
* @return {String}
*/
getName: function() {
return this.get('node').one('a.coursename').get('innerHTML');
},
/**
* Handles an event relating to this course.
* @method handle
* @param {String} action
* @param {EventFacade} e
* @return {Boolean}
*/
handle: function(action, e) {
var managementconsole = this.get('console'),
args = {courseid: this.get('courseid')};
switch (action) {
case 'moveup':
e.halt();
managementconsole.performAjaxAction('movecourseup', args, this.moveup, this);
break;
case 'movedown':
e.halt();
managementconsole.performAjaxAction('movecoursedown', args, this.movedown, this);
break;
case 'show':
e.halt();
managementconsole.performAjaxAction('showcourse', args, this.show, this);
break;
case 'hide':
e.halt();
managementconsole.performAjaxAction('hidecourse', args, this.hide, this);
break;
case 'select':
var c = this.get('console'),
movetonode = c.get('courselisting').one('#menumovecoursesto');
if (movetonode) {
if (c.isCourseSelected(e.currentTarget)) {
movetonode.removeAttribute('disabled');
} else {
movetonode.setAttribute('disabled', true);
}
}
break;
default:
Y.log('Invalid AJAX action requested of managed course.', 'warn', 'moodle-course-management');
return false;
}
},
/**
* Removes this course.
* @method remove
*/
remove: function() {
this.get('console').removeCourseById(this.get('courseid'));
this.get('node').remove();
},
/**
* Moves this course after another course.
*
* @method moveAfter
* @param {Number} moveaftercourse The course to move after or 0 to put it at the top.
* @param {Number} previousid the course it was previously after in case we need to revert.
*/
moveAfter: function(moveaftercourse, previousid) {
var managementconsole = this.get('console'),
args = {
courseid: this.get('courseid'),
moveafter: moveaftercourse,
previous: previousid
};
managementconsole.performAjaxAction('movecourseafter', args, this.moveAfterResponse, this);
},
/**
* Performs the actual move.
*
* @method moveAfterResponse
* @protected
* @param {Number} transactionid The transaction ID for the request.
* @param {Object} response The response to the request.
* @param {Objects} args The arguments that were given with the request.
* @return {Boolean}
*/
moveAfterResponse: function(transactionid, response, args) {
var outcome = this.checkAjaxResponse(transactionid, response, args),
node = this.get('node'),
previous;
if (outcome === false) {
previous = node.ancestor('ul').one('li[data-id=' + args.previous + ']');
Y.log('AJAX failed to move this course after the requested course', 'warn', 'moodle-course-management');
if (previous) {
// After the last previous.
previous.insertAfter(node, 'after');
} else {
// Start of the list.
node.ancestor('ul').one('li').insert(node, 'before');
}
return false;
}
Y.log('AJAX successfully moved course (' + this.getName() + ')', 'info', 'moodle-course-management');
this.highlight();
}
};
Y.extend(Course, Item, Course.prototype);