Expand Code to Fullscreen on StackExchange Site

Toggle fullscreen for code blocks on hover

Tính đến 24-05-2024. Xem phiên bản mới nhất.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name          Expand Code to Fullscreen on StackExchange Site
// @namespace    http://tampermonkey.net/
// @author      aspen138
// @version      0.1.3
// @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 Toast(msg, duration) {
    let p1 = new Promise((resolve,reject)=>{
        duration = isNaN(duration) ? 3000 : duration;
        var m = document.createElement('div');
        m.innerHTML = msg;
        m.style.cssText = "font-family:siyuan;max-width:60%;min-width: 150px;padding:0 14px;height: 40px;color: rgb(255, 255, 255);line-height: 40px;text-align: center;border-radius: 4px;position: fixed;top: 50%;left: 50%;transform: translate(-50%, -50%);z-index: 999999;background: rgba(0, 0, 0,.7);font-size: 16px;";
        document.body.appendChild(m);
        setTimeout(function() {
            var d = 0.5;
            m.style.webkitTransition = '-webkit-transform ' + d + 's ease-in, opacity ' + d + 's ease-in';
            m.style.opacity = '0';
            setTimeout(function() {
                document.body.removeChild(m)
            }, d * 1000);
        }, duration);
    });
}



(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!');
            Toast("Code copied to clipboard!", 100);

            // 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);
    });
})();