Adds a PDF tab to Google search results
// ==UserScript==
// @name Google Search PDF & Switch Scholar
// @namespace http://tampermonkey.net/
// @version 1.3
// @description Adds a PDF tab to Google search results
// @author Pencilheart
// @match *://www.google.com/search*
// @match *://scholar.google.com/scholar*
// @icon data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjI0IiBoZWlnaHQ9IjI0Ij48cGF0aCBmaWxsPSJyZWQiIGQ9Ik0xMiAyMS4zNWwtMS40NS0xLjMyQzUuNCAxNS4zNiAyIDEyLjI4IDIgOC41IDIgNS40MiA0LjQyIDMgNy41IDNjMS43NCAwIDMuNDEuODEgNC41IDIuMDlDMTMuMDkgMy44MSAxNC43NiAzIDE2LjUgMyAxOS41OCAzIDIyIDUuNDIgMjIgOC41YzAgMy43OC0zLjQgNi44Ni04LjU1IDExLjU0TDEyIDIxLjM1eiIvPjwvc3ZnPg==
// @grant none
// ==/UserScript==
(function() {
'use strict';
const currentURL = window.location.href;
if (currentURL.includes("google.com/search")) {
// Google 搜索页面
const tabContainer = document.querySelector('.crJ18e');
if (!tabContainer) return;
const moreTab = [...tabContainer.querySelectorAll('div[role="listitem"]')]
.find(tab => tab.textContent.trim() === '更多');
if (!moreTab) return;
const urlParams = new URLSearchParams(window.location.search);
const query = urlParams.get('q');
if (!query) return;
// PDF Tab
if (!query.toLowerCase().includes("filetype:pdf")) {
const pdfSearchUrl = `/search?q=${encodeURIComponent(query)}+filetype:pdf`;
const pdfTab = document.createElement('div');
pdfTab.setAttribute('role', 'listitem');
pdfTab.innerHTML = `
<a href="${pdfSearchUrl}" class="nPDzT T3FoJb">
<div class="YmvwI">PDF</div>
</a>
`;
moreTab.insertAdjacentElement('beforebegin', pdfTab);
}
// Scholar Tab
const scholarSearchUrl = `https://scholar.google.com/scholar?q=${encodeURIComponent(query)}`;
const scholarTab = document.createElement('div');
scholarTab.setAttribute('role', 'listitem');
scholarTab.innerHTML = `
<a href="${scholarSearchUrl}" class="nPDzT T3FoJb">
<div class="YmvwI">Scholar</div>
</a>
`;
moreTab.insertAdjacentElement('beforebegin', scholarTab);
} else if (currentURL.includes("scholar.google.com/scholar")) {
// Google Scholar 页面
const tabContainer = document.querySelector('#gs_hdr_tsb'); // Scholar 页面顶部的导航栏
if (!tabContainer) return;
const urlParams = new URLSearchParams(window.location.search);
const query = urlParams.get('q');
if (!query) return;
// Google Search Tab
const googleSearchUrl = `https://www.google.com/search?q=${encodeURIComponent(query)}`;
const googleTab = document.createElement('div');
googleTab.style.display = "inline-block";
googleTab.innerHTML = `
<a href="${googleSearchUrl}" style="text-decoration: none; font-weight: bold; color: #1a0dab;">
Google
</a>
`;
// tabContainer.insertAdjacentElement('beforebegin', googleTab);
// Modify gs_hdr_md layout and add Google button
const gsHdrMd = document.querySelector('#gs_hdr_md');
if (gsHdrMd) {
gsHdrMd.style.display = 'flex';
gsHdrMd.style.width = '100%';
gsHdrMd.style.justifyContent = 'space-between';
// Create a new container for the Google button in the second part
const buttonContainer = document.createElement('div');
buttonContainer.style.flex = '1';
buttonContainer.style.textAlign = 'left';
buttonContainer.style.display = 'flex'; // 使用flex布局
buttonContainer.style.alignItems = 'center'; // 垂直居中
const googleButton = document.createElement('button');
googleButton.innerHTML = 'Google';
googleButton.style.padding = '5px 10px';
googleButton.style.fontSize = '14px';
googleButton.style.cursor = 'pointer';
googleButton.style.backgroundColor = '#357ae8';
googleButton.style.color = '#fff';
googleButton.style.border = 'none';
googleButton.style.borderRadius = '4px';
googleButton.addEventListener('click', function() {
window.location.href = googleSearchUrl; // Redirect to Google Search
});
buttonContainer.appendChild(googleButton);
// Create the container for the original content (1/3 width)
const originalContainer = document.createElement('div');
originalContainer.style.flex = '2'; // Occupy 1/3 of the space
// Move the original content into the new container
originalContainer.innerHTML = gsHdrMd.innerHTML;
gsHdrMd.innerHTML = ''; // Clear the original content
gsHdrMd.appendChild(originalContainer);
gsHdrMd.appendChild(buttonContainer); // Append the button container
};
// 让 Google Scholar 搜索框变长
const searchForm = document.querySelector('#gs_hdr_frm');
const searchBox = document.querySelector('#gs_hdr_tsi');
if (searchForm && searchBox) {
searchForm.style.width = '160%'; // 让搜索框容器占满可用空间
searchBox.style.width = '1000px'; // 直接修改搜索框的宽度
searchBox.style.maxWidth = '100%'; // 避免过长，保持响应式
}
}
})();