在网页左下角生成一个按钮，从dblp中获取选定文本的BibTeX并复制到剪贴板
// ==UserScript==
// @name 选择文本并自动获取BibTex到剪切板
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 在网页左下角生成一个按钮，从dblp中获取选定文本的BibTeX并复制到剪贴板
// @author shandianchengzi
// @match *://*/*
// @grant GM_xmlhttpRequest
// @grant GM_setClipboard
// @grant GM_registerMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// @license GPL-3.0
// ==/UserScript==
// Toast function for displaying messages
function Toast(msg, duration) {
duration = isNaN(duration) ? 3000 : duration;
var m = document.createElement('div');
m.innerHTML = msg;
m.style.fontFamily = 'siyuan';
m.style.maxWidth = '60%';
m.style.minWidth = '150px';
m.style.padding = '0 14px';
m.style.height = 'auto';
m.style.color = 'rgb(255, 255, 255)';
m.style.lineHeight = '1.5';
m.style.textAlign = 'center';
m.style.borderRadius = '4px';
m.style.position = 'fixed';
m.style.top = '50%';
m.style.left = '50%';
m.style.transform = 'translate(-50%, -50%)';
m.style.zIndex = '999999';
m.style.background = 'rgba(0, 0, 0, 0.7)';
m.style.fontSize = '16px';
document.body.appendChild(m);
setTimeout(function() {
m.style.transition = 'opacity 0.5s ease-in';
m.style.opacity = '0';
setTimeout(function() {
document.body.removeChild(m);
}, 500);
}, duration);
}
var headers = {
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
"Accept-Encoding": "gzip, deflate",
"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36 Edg/100.0.1185.36",
'Referer': 'https://dblp.org/'
};
(function() {
'use strict';
var lang=navigator.appName=="Netscape"?navigator.language:navigator.userLanguage;
var lang_hint={};
switch (lang){
case "zh-CN":
case "zh-SG":
lang_hint={
error_no_text_selected:"没有选中文本！",
error_bibtex_not_found:"未找到BibTeX！",
error_fetching_bibtex_search:"获取BibTeX所在页面时出错，您的搜索链接是 ",
error_fetching_bibtex:"获取BibTeX时出错，您的bibUrl是 ",
success_bibtex_copied:"BibTeX已复制到剪贴板！",
show_button:"显示/隐藏按钮",
};
break;
case "zh":
case "zh-TW":
case "zh-HK":
lang_hint={
error_no_text_selected:"沒有選中文本！",
error_bibtex_not_found:"未找到BibTeX！",
error_fetching_bibtex_search:"獲取BibTeX所在頁面時出錯，您的搜索鏈接是 ",
error_fetching_bibtex:"獲取BibTeX時出錯，您的bibUrl是 ",
success_bibtex_copied:"BibTeX已復制到剪貼板！",
show_button:"顯示/隱藏按鈕",
};
break;
default:
lang_hint={
error_no_text_selected:"No text selected!",
error_bibtex_not_found:"BibTeX not found!",
error_fetching_bibtex_search:"Error fetching BibTeX, your search query is ",
error_fetching_bibtex:"Error fetching BibTeX, your bibUrl is ",
success_bibtex_copied:"BibTeX copied to clipboard!",
show_button:"Show/Hide Button",
};
break;
}
// Create a button in the bottom-left corner
const button = document.createElement('button');
button.innerText = 'Get BibTeX';
button.style.position = 'fixed';
button.style.bottom = '10px';
button.style.left = '10px';
button.style.zIndex = '9999';
button.style.padding = '10px';
button.style.backgroundColor = '#007BFF';
button.style.color = 'white';
button.style.border = 'none';
button.style.borderRadius = '5px';
button.style.cursor = 'pointer';
document.body.appendChild(button);
// Show/hide button based on user preference
if (GM_getValue('showButton', true)) {
button.style.display = 'block';
} else {
button.style.display = 'none';
}
// Helper function to fetch BibTeX from DBLP
function fetchBibTeX(query, callback) {
const searchUrl = `https://dblp.org/search?q=${encodeURIComponent(query)}`;
GM_xmlhttpRequest({
method: 'GET',
url: searchUrl,
headers: headers,
onload: function(response) {
const parser = new DOMParser();
const doc = parser.parseFromString(response.responseText, 'text/html');
const bibLink = doc.querySelector('a[href*="?view=bibtex"]');
if (!bibLink) {
Toast(lang_hint.error_bibtex_not_found);
callback(null);
return;
}
const bibUrl = bibLink.href.replace('.html?view=bibtex', '.bib');
GM_xmlhttpRequest({
method: 'GET',
url: bibUrl,
headers: headers,
onload: function(bibResponse) {
callback(bibResponse.responseText);
},
onerror: function() {
Toast(lang_hint.error_fetching_bibtex + bibUrl);
callback(null);
}
});
},
onerror: function() {
Toast(lang_hint.error_fetching_bibtex_search + searchUrl);
callback(null);
}
});
}
// Event listener for button click
button.addEventListener('click', async () => {
const selection = window.getSelection().toString().trim();
if (!selection) {
Toast(lang_hint.error_no_text_selected);
return;
}
fetchBibTeX(selection, (bibtex) => {
if (bibtex) {
GM_setClipboard(bibtex);
Toast(lang_hint.success_bibtex_copied + bibtex);
}
});
});
GM_registerMenuCommand(lang_hint.show_button, function() {
button.style.display = button.style.display === 'none' ? 'block' : 'none';
GM_setValue('showButton', button.style.display === 'block');
});
})();