Expand Code to Fullscreen on StackExchange Site

Toggle fullscreen for code blocks on hover

Verze ze dne 01. 03. 2024. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

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