//多媒体显示模块
var json_loader = function (option, success) {
    var object = new JsonLoader(option);
    success();
    return object;
}

function JsonLoader(option) {
    this.markControl = option.markControl;
    this.answerServer = option.answerServer;
}

JsonLoader.prototype.build = function (task, callback) {
    var self = this;
    if (task != undefined && task.answerUrl != undefined) {
//      TODO-测试代码，读取固定的json文件
//    	var result ='[{"mainNumber": 6,"subNumber": 1,"body": {"sections": [{ "blocks":[{"type": "text","value": "我是题目我是题目我是题目"}]}]},"answer": {"sections": [{"blocks":[{"type": "image","value": "https://ecs-test-static.qmth.com.cn/oe-answer-file/3/8/20/3_8_20_15748452889591137.jpeg"},{"type": "audio","value": "https://ecs-test-static.qmth.com.cn/oe-answer-file/3/8/19/3_8_19_15748452552644264.mp3"}]}]},"studentAnswer": {"sections": [{"blocks":[{"type": "image","value": "https://ecs-test-static.qmth.com.cn/oe-answer-file/3/8/20/3_8_20_15748452889591137.jpeg"},{"type": "image","value": "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1582709869784&di=39683b1330bd09bebd93c95fe925ca70&imgtype=0&src=http%3A%2F%2Fn.sinaimg.cn%2Fsinacn10108%2F170%2Fw600h370%2F20190222%2Fd6de-htknpmh2595255.jpg"}]}]}}]';
//    	task.jsonData = JSON.parse(result);
//    	callback();
    	var url = this.answerServer + task.answerUrl;
        $.get(url, function (result) {
            task.jsonData = result;
            callback();
        }).error(function () {
        	console.log('json load error:'+url);
            callback('json load error');
        });
    }
}