// ==UserScript==
// @name         MaGuitarDownloadImage
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  下載嘖嘖的影片和圖片
// @author       You
// @match        https://www.zeczec.com/projects/mashushu-rock/updates/*
// @grant        none
// @require http://code.jquery.com/jquery-1.9.1.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/downloadjs/1.4.8/download.js
// @require https://greasyfork.org/scripts/5392-waitforkeyelements/code/WaitForKeyElements.js?version=115012
// ==/UserScript==
(function() {
waitForKeyElements('h3:contains("熱門單曲")', CopyTitleContent);
waitForKeyElements('.nested-media img[src*="jpg"]', WaitForImage);
})();
function CopyTitleContent(){
var title = $('h3:contains("熱門單曲")');
title.append("<input id=\"copyTitle\" type=\"button\" value=\"複製標題\">");
$("#copyTitle").click(function(){
copyTitle();
});
}
function WaitForImage(){
if($("#downloadImgs").length == 0){
$("label:contains('搜尋')").parent().prepend("<input id=\"downloadImgs\" type=\"button\" value=\"下載教學圖片\">");
$("#downloadImgs").click(function(){
downloadAll();
});
}
}
function GetImages(){
var r###lt = [];
$('.nested-media img[src*="jpg"]').each(function(index, element) {
if($(element).attr("src").indexOf("jpg") != -1){
r###lt.push($(element).attr("src"));
}
});
return r###lt;
}
function copyTitle(){
var title = getTitle()
copyToClipboard(title);
}
String.prototype.filename=function(extension){
var s= this.replace(/\\/g, '/');
s= s.substring(s.lastIndexOf('/')+ 1);
var filename = getTitle()+' '+ (extension? s.replace(/[?#].+$/, ''): s.split('.')[0]);
return filename;
}
function downloadAll() {
var images = GetImages();
$(images).each(function(index, element) {
forceDownload(element,element.filename());
});
}
function forceDownload(url, fileName){
var downloadUrl = 'https://cors-anywhere.herokuapp.com/' + url;
var xhr = new XMLHttpRequest();
xhr.open("GET", downloadUrl, true);
xhr.responseType = "blob";
xhr.onload = function(){
var urlCreator = window.URL || window.webkitURL;
var imageUrl = urlCreator.createObjectURL(this.response);
var tag = document.createElement('a');
tag.href = imageUrl;
tag.download = fileName;
document.body.appendChild(tag);
tag.click();
document.body.removeChild(tag);
}
xhr.send();
}
function getTitle(){
var title = $('h3:contains("熱門單曲")').text();
var myRegexp = /【熱門單曲】(.*)\(/g;
var match = myRegexp.exec(title);
return match[1];
}
function copyToClipboard(text) {
if (window.clipboardData && window.clipboardData.setData) {
// IE specific code path to prevent textarea being shown while dialog is visible.
return clipboardData.setData("Text", text);
} else if (document.queryCommandSupported && document.queryCommandSupported("copy")) {
var textarea = document.createElement("textarea");
textarea.textContent = text;
textarea.style.position = "fixed";  // Prevent scrolling to bottom of page in MS Edge.
document.body.appendChild(textarea);
textarea.select();
try {
return document.execCommand("copy");  // Security exception may be thrown by some browsers.
} catch (ex) {
console.warn("Copy to clipboard failed.", ex);
return false;
} finally {
document.body.removeChild(textarea);
}
}
}