1 

     2 IriSP.JSONSerializer = function(DataLoader, url) {

     3   IriSP.Serializer.call(this, DataLoader, url);

     4 };

     5 

     6 IriSP.JSONSerializer.prototype = IriSP.Serializer;

     7 

     8 IriSP.JSONSerializer.prototype.serialize = function(data) {

     9   return JSON.stringify(data);

    10 };

    11 

    12 IriSP.JSONSerializer.prototype.deserialize = function(data) {

    13   return JSON.parse(data);

    14 };

    15 

    16 IriSP.JSONSerializer.prototype.sync = function(callback) {

    17   /* we don't have to do much because jQuery handles json for us */

    18   

    19   /* a wrapper to get a closure because we lose this in callbacks */

    20   var wrapper = function(obj) {

    21     return function(data) {    

    22       obj._data = data;

    23       // sort the data too

    24       obj._data["annotations"].sort(function(a, b) 

    25           { var a_begin = +a.begin;

    26             var b_begin = +b.begin;

    27             return a_begin - b_begin;

    28           });

    29       callback(data);

    30     }

    31   };

    32   

    33   this._DataLoader.get(this._url, wrapper(this));

    34 };

    35 

    36 IriSP.JSONSerializer.prototype.currentMedia = function() {  

    37   return this._data.medias[0]; /* FIXME: don't hardcode it */

    38 };