[CityU] Add a link to open embedded frames in Canvas in a new tab

A link to open Zoom and Some External tools in a new tab will be generated at the top right corner.

Wrap lines

// ==UserScript==
// @name         [CityU] Add a link to open embedded frames in Canvas in a new tab
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  A link to open Zoom and Some External tools in a new tab will be generated at the top right corner.
// @author       You
// @match        https://canvas.cityu.edu.hk/courses/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// @license MIT
// ==/UserScript==
 
(function() {
    'use strict';
 
    var init = () => {
        var ele = document.getElementsByClassName("right-of-crumbs")[0]
 
        var newele = document.createElement("a");
        newele.innerHTML = "Open the embedded frame in a new window";
 
        var iframe = document.getElementsByTagName("iframe")
 
        var src = iframe[iframe.length - 1].src;
        
 
        if(src == "about:blank"){
            return;
        } else{
            newele.target = "_blank"
            newele.href = src;
            ele.appendChild(newele)
        }
       
 
 
    }
 
 
    var initZoom = () => {
        var toolForm = document.getElementById("tool_form")
 
        if(toolForm){
            var ele = document.getElementsByClassName("right-of-crumbs")[0]
            var newele = document.createElement("a");
            newele.innerHTML = "Open the embedded Zoom frame in a new window";
            newele.target = "_blank"
            newele.href = toolForm.action
            ele.appendChild(newele)
 
        }
    }
 
 
    window.addEventListener("load", () => {
 
        init();
        initZoom();
    })
 
 
 
})();

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