// ==UserScript==
// @name         OFD预览
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       You
// @match        http://*.zhbg.kjt.gx.gov/*
// @grant        none
// @run-at       context-menu
// ==/UserScript==

(function() {
    'use strict';
    function findVue(el){
        var child = [window._Vue];
        while (child.length > 0){
            var n = child.pop();
            if(n.$el === el){
               return n;
            }
            n.$children.forEach(function(i){child.push(i)})
        }
    }

    //查找加载ofd失败后生成的div
    if (!document.querySelector('embed[type="application/ofd"] ')){ throw new Error('Whoops!')}

    document.querySelector('embed[type="application/ofd"] ').style.visibility = 'hidden';

    //查找ofd文件的标识
    var attachGuid = findVue(document.querySelector("div#OFD").parentNode.parentNode).attachguid;
    if (!attachGuid){ throw new Error('Whoops!')}

    window.open('http://sxqp.zhbgzt.gx.gov/login.html?' + attachGuid, "");
})();