Files
edx-platform/cms/static/js/models/course_relative.js
2013-05-08 09:29:20 -04:00

69 lines
1.8 KiB
JavaScript

CMS.Models.Location = Backbone.Model.extend({
defaults: {
tag: "",
org: "",
course: "",
category: "",
name: ""
},
toUrl: function(overrides) {
return
(overrides && overrides['tag'] ? overrides['tag'] : this.get('tag')) + "://" +
(overrides && overrides['org'] ? overrides['org'] : this.get('org')) + "/" +
(overrides && overrides['course'] ? overrides['course'] : this.get('course')) + "/" +
(overrides && overrides['category'] ? overrides['category'] : this.get('category')) + "/" +
(overrides && overrides['name'] ? overrides['name'] : this.get('name')) + "/";
},
_tagPattern : /[^:]+/g,
_fieldPattern : new RegExp('[^/]+','g'),
parse: function(payload) {
if (_.isArray(payload)) {
return {
tag: payload[0],
org: payload[1],
course: payload[2],
category: payload[3],
name: payload[4]
};
}
else if (_.isString(payload)) {
this._tagPattern.lastIndex = 0; // odd regex behavior requires this to be reset sometimes
var foundTag = this._tagPattern.exec(payload);
if (foundTag) {
this._fieldPattern.lastIndex = this._tagPattern.lastIndex + 1; // skip over the colon
return {
tag: foundTag[0],
org: this.getNextField(payload),
course: this.getNextField(payload),
category: this.getNextField(payload),
name: this.getNextField(payload)
}
}
else return null;
}
else {
return payload;
}
},
getNextField : function(payload) {
try {
return this._fieldPattern.exec(payload)[0];
}
catch (err) {
return "";
}
}
});
CMS.Models.CourseRelative = Backbone.Model.extend({
defaults: {
course_location : null, // must never be null, but here to doc the field
idx : null // the index making it unique in the containing collection (no implied sort)
}
});
CMS.Models.CourseRelativeCollection = Backbone.Collection.extend({
model : CMS.Models.CourseRelative
});