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2021/3/29 上午12:53:16
当前为
// ==UserScript==
// @name 文档在线预览与下载更名
// @namespace Violentmonkey Scripts
// @match *://*/*
// @grant none
// @version 1.0
// @author -
// @description 2021/3/29 上午12:53:16
// ==/UserScript==
/**
* @file
* Checks for document links in web pages and inserts
* an icon beside the links to enable opening with
* online services like Google Docs viewer.
*
* @author Deekshith Allamaneni
* @copyright 2015 Docs Online Viewer
*/
(function(){
var docLinks = document.links;
const supportedFileExtList = ["doc","docx","xls","xlsx","ppt","pps","pptx","xps","odt","odp","rtf","ods","wpd"];
var doCheck = true;
const dov_host_exclude =/(docs\.google\.com|sourceforge\.net|adf\.ly|mediafire\.com|springerlink\.com|ziddu\.com|ieee\.org|issuu\.com|asaha\.com|office\.live\.com)$/
// Include paths to exclude showing icon
const dov_href_exclude = /(https:\/\/github.com\/.*\/.*\/blob\/.*|file:\/\/\/.*)/
const dovIconImgPath = "https://dov.parishod.com/assets/images/beside-link-icon.svg";
var DocLink = function (docLink) {
this._docLink = docLink;
};
DocLink.prototype = {
get hasSupportedExtension () {
return supportedFileExtList.some( thisFileType => {
var url = this._docLink.pathname.toLowerCase();
if (url.endsWith('.' + thisFileType))
return true;
});
},
get isSupported () {
return (!((this._docLink.host).match(dov_host_exclude))
&& !((this._docLink.href).match(dov_href_exclude))
&& this.hasSupportedExtension
&& this._docLink.textContent.trim().length > 0); // Issue #6: No blank innerText
},
get isProcessed () {
return this._docLink.docView;
},
get iconLink () {
var viewLink = document.createElement('a');
//这个预览地址不好用了viewLink.href = `http://view.xdocin.com/xdoc?_xdoc=${encodeURIComponent(this._docLink.href)}`;
//谷歌预览是备用的 viewLink.href = `https://docs.google.com/viewer?url=${encodeURIComponent(this._docLink.href)}&embedded=true`;
viewLink.href = `https://view.officeapps.live.com/op/view.aspx?src=${encodeURIComponent(this._docLink.href)}`;
/*
Parameter description:
embedded= <true>: to open google docs in embedded mode
dov=1: If opened by Docs Online Viewer. Set by this script.
*/
//viewLink.docView=true; -> This line is removed in this version but still doubt if it can really be removed.
viewLink.title=`View this ${this.fileExtension} file`;
var ico = document.createElement("img");
ico.src = "https://dov.parishod.com/assets/images/beside-link-icon.svg";
// Adjusts the margin of the icon to the given number of pixels (3 to 5px is advisable)
ico.style.marginLeft = "3px";
ico.style.width = "16px";
ico.style.height = "16px";
viewLink.appendChild(ico);
// Disabled opening link in new tab by default.
viewLink.setAttribute("target", "_blank");
return viewLink;
},
get fileExtension () {
var fUrl = this._docLink.pathname;
fUrl=fUrl.toUpperCase();
// Returns file extension. Returns "" if no valid extension
// Ref: http://stackoverflow.com/a/1203361/3439460
return fUrl.substr((~-fUrl.lastIndexOf(".") >>> 0) + 2);
},
get queryStripped() {
// remove any ?query in the URL
return `${this._docLink.origin}${this._docLink.pathname}`;
}
};
function checkLinks()
{
for (var i = 0; i < docLinks.length; ++i)
{
var thisDocLink = new DocLink(docLinks[i]);
if ( thisDocLink.isSupported && !thisDocLink.isProcessed) {
// Append the icon beside the link
docLinks[i].download=docLinks[i].text+docLinks[i].href.substring(docLinks[i].href.lastIndexOf("."));
//这一条是我加的，用于把下载文件名改为链接文字加扩展名，因为原先的下载文件名总是全数字
docLinks[i].parentNode.insertBefore(thisDocLink.iconLink , docLinks[i].nextSibling);
}
// The link which is checked is flagged so that it is not repeatedly checked again.
docLinks[i].docView=true;
}
}
// Execute these functions
// to append icon beside document links and
// add listener for new nodes
checkLinks();
// create an observer instance
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (doCheck)
{
doCheck = false;
setTimeout(function(){checkLinks();doCheck = true;}, 1000);
}
});
});
// pass in the target node, as well as the observer options
observer.observe(document.body, {
attributes: true,
childList: true,
characterData: true,
subtree:true
});
})();