Toggle fullscreen for code blocks on hover
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// ==UserScript==
// @name Expand Code to Fullscreen on StackExchange Site
// @namespace http://tampermonkey.net/
// @author aspen138
// @version 0.1.2
// @description Toggle fullscreen for code blocks on hover
// @match *://*.stackexchange.com/*
// @match *://*.stackoverflow.com/questions/*
// @match *://superuser.com/questions/*
// @match *://meta.superuser.com/questions/*
// @match *://serverfault.com/questions/*
// @match *://meta.serverfault.com/questions/*
// @match *://askubuntu.com/questions/*
// @match *://meta.askubuntu.com/questions/*
// @match *://mathoverflow.net/questions/*
// @match *://meta.mathoverflow.net/questions/*
// @match *://*.stackexchange.com/questions/*
// @match *://answers.onstartups.com/questions/*
// @match *://meta.answers.onstartups.com/questions/*
// @match *://stackapps.com/questions/*
// @match *://*.stackoverflow.com/review/*
// @match *://superuser.com/review/*
// @match *://meta.superuser.com/review/*
// @match *://serverfault.com/review/*
// @match *://meta.serverfault.com/review/*
// @match *://askubuntu.com/review/*
// @match *://meta.askubuntu.com/review/*
// @match *://mathoverflow.net/review/*
// @match *://meta.mathoverflow.net/review/*
// @match *://*.stackexchange.com/review/*
// @match *://answers.onstartups.com/review/*
// @match *://meta.answers.onstartups.com/review/*
// @match *://stackapps.com/review/*
// @match *://*.stackoverflow.com/search*
// @match *://superuser.com/search*
// @match *://meta.superuser.com/search*
// @match *://serverfault.com/search*
// @match *://meta.serverfault.com/search*
// @match *://askubuntu.com/search*
// @match *://meta.askubuntu.com/search*
// @match *://mathoverflow.net/search*
// @match *://meta.mathoverflow.net/search*
// @match *://*.stackexchange.com/search*
// @match *://answers.onstartups.com/search*
// @match *://meta.answers.onstartups.com/search*
// @match *://stackapps.com/search*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Function to inject styles
function addStyles() {
const style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = `
.code-wrapper {
position: relative;
}
.button {
position: absolute;
top: 0;
z-index: 10;
padding: 4px 8px;
background-color: #eee;
border: none;
cursor: pointer;
border-radius: 4px;
font-size: 12px;
display: none;
}
.fullscreen-btn {
right: 0;
}
.copy-btn {
right: 80px; /* Adjust based on the size of the fullscreen button */
}
.button:hover {
background-color: #ddd;
}
.code-wrapper:hover .button {
display: block;
}
.code-wrapper.fullscreen {
background: white;
color: black;
width: 100%;
height: 100%;
overflow: auto;
margin: 0;
padding: 20px;
}
.code-wrapper.fullscreen .hljs {
display: block;
overflow-x: auto;
padding: 0.5em;
color: inherit;
background: inherit;
}
`;
document.head.appendChild(style);
}
// Function to toggle fullscreen for the specific code block
function toggleFullScreen(codeWrapper) {
if (!document.fullscreenElement && codeWrapper.requestFullscreen) {
codeWrapper.requestFullscreen().then(() => {
codeWrapper.classList.add('fullscreen');
codeWrapper.querySelector('code').classList.forEach(cls => {
codeWrapper.classList.add(cls);
});
});
} else if (document.fullscreenElement && document.exitFullscreen) {
document.exitFullscreen().then(() => {
codeWrapper.classList.remove('fullscreen');
codeWrapper.querySelector('code').classList.forEach(cls => {
codeWrapper.classList.remove(cls);
});
});
}
}
// Function to copy code to clipboard
function copyToClipboard(codeWrapper) {
const code = codeWrapper.querySelector('code').innerText;
navigator.clipboard.writeText(code).then(() => {
console.log('Code copied to clipboard!');
// codeWrapper.textContent="Copied";
// setTimeout( ()=>copyBtn.textContent="Copy", 1*1000);
}).catch(err => {
console.error('Error copying code to clipboard: ', err);
});
}
// Function to create fullscreen and copy buttons for each code block
function addButtons() {
document.querySelectorAll('pre code').forEach((code) => {
let wrapper = code.closest('.code-wrapper');
if (!wrapper) {
wrapper = document.createElement('div');
wrapper.classList.add('code-wrapper');
code.classList.forEach(cls => {
if (cls !== 'hljs') {
wrapper.classList.add(cls);
}
});
code.parentNode.insertBefore(wrapper, code);
wrapper.appendChild(code);
}
if (!wrapper.querySelector('.fullscreen-btn')) {
const fullscreenBtn = document.createElement('button');
fullscreenBtn.textContent = 'Fullscreen';
fullscreenBtn.classList.add('fullscreen-btn', 'button');
fullscreenBtn.addEventListener('click', () => toggleFullScreen(wrapper));
wrapper.appendChild(fullscreenBtn);
}
// Add copy button
if (!wrapper.querySelector('.copy-btn')) {
const copyBtn = document.createElement('button');
copyBtn.textContent = 'Copy';
copyBtn.classList.add('copy-btn', 'button');
copyBtn.addEventListener('click', () => copyToClipboard(wrapper));
wrapper.appendChild(copyBtn);
}
});
}
// Wait for the DOM to be fully loaded
window.addEventListener('load', function() {
addStyles();
setTimeout(addButtons, 0);
});
})();