Translator bilingual (Microsoft Engine)

Toggle translation without losing original formatting, resilient button injection via Edge Microsoft API

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

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Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

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// ==UserScript==
// @name         Translator bilingual (Microsoft Engine)
// @namespace    http://tampermonkey.net/
// @version      21.03.2026
// @description  Toggle translation without losing original formatting, resilient button injection via Edge Microsoft API
// @author       Sspuramcopigemi
// @match        *://*/*
// @grant        GM_xmlhttpRequest
// @grant        GM_registerMenuCommand
// @run-at       document-start
// @connect      edge.microsoft.com
// ==/UserScript==

(function() {
    'use strict';

    let modeActive = false;

    const isMarathi = (text) => /[\u0900-\u097F]/.test(text);

    async function translateText(text, targetLang) {
        return new Promise((resolve) => {
            // Replaced with the Microsoft Edge Free Translation Endpoint
            const url = `https://edge.microsoft.com/translate/auth`;
            
            // Step 1: Microsoft requires a quick handshake request to issue a temporary token
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                timeout: 3000,
                onload: (tokenRes) => {
                    const token = tokenRes.responseText;
                    if (!token) { resolve(null); return; }

                    // Step 2: Use the token to fetch the translation from Microsoft engine
                    const translateUrl = `https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to=${targetLang}`;
                    
                    GM_xmlhttpRequest({
                        method: "POST",
                        url: translateUrl,
                        headers: {
                            "Authorization": `Bearer ${token}`,
                            "Content-Type": "application/json"
                        },
                        data: JSON.stringify([{ "Text": text }]),
                        timeout: 5000,
                        onload: (res) => {
                            try {
                                const result = JSON.parse(res.responseText);
                                // Microsoft API format returns data as: [{ translations: [{ text: "..." }] }]
                                resolve(result[0].translations[0].text || null);
                            } catch (e) { resolve(null); }
                        },
                        onerror: () => resolve(null)
                    });
                },
                onerror: () => resolve(null)
            });
        });
    }

    // ✅ Menu command added
    GM_registerMenuCommand("Toggle En-Mr Mode", () => {
        modeActive = !modeActive;
        const btn = document.querySelector('#translator-toggle button');
        if (btn) btn.textContent = modeActive ? 'ON' : 'OFF';
        if (modeActive) { enableSentenceMode(); } else { disableSentenceMode(); }
    });

    function injectTranslatorButton() {
        if (document.querySelector('#translator-toggle')) return;

        const toggleBox = document.createElement('div');
        toggleBox.id = 'translator-toggle';
        const toggleBtn = document.createElement('button');
        toggleBtn.textContent = 'OFF';
        toggleBox.appendChild(toggleBtn);

        // Strong CSS
        const style = document.createElement('style');
        style.textContent = `
            #translator-toggle {
                position: fixed !important;
                bottom: 10px !important;
                left: 60px !important;
                padding: 2px 6px !important;
                background: transparent !important;
                border: 1px solid transparent !important;
                border-radius: 6px !important;
                z-index: 2147483647 !important;
            }
            #translator-toggle button {
                border: none !important;
                background: transparent !important;
                color: #696969 !important;
                font-size: 12px !important;
                cursor: pointer !important;
                font-family: system-ui, sans-serif !important;
            }
            #translator-toggle button:hover { text-decoration: underline !important; }
        `;
        document.head.appendChild(style);

        // Append to both html and body
        if (document.body) document.body.appendChild(toggleBox);
        document.documentElement.appendChild(toggleBox);

        toggleBtn.addEventListener('click', () => {
            modeActive = !modeActive;
            toggleBtn.textContent = modeActive ? 'ON' : 'OFF';
            if (modeActive) { enableSentenceMode(); } else { disableSentenceMode(); }
        });
    }

    // Inject after load
    window.addEventListener('load', injectTranslatorButton);

    // Reinjection checks
    const observer = new MutationObserver(() => {
        injectTranslatorButton();
        if (modeActive) enableSentenceMode(); // Keeps checking for newly loaded articles on page switches
    });
    observer.observe(document.documentElement, { childList: true, subtree: true });
    setInterval(injectTranslatorButton, 2000);

    function enableSentenceMode() {
        // FIXED: Expanded the element matcher to intercept general text div elements used by News on Air
        const elements = Array.from(document.querySelectorAll('p, li, blockquote, h1, h2, h3, div[class*="content"], div[class*="story"], div[class*="article"]'))
                              .filter(el => {
                                  if (el.closest('#translator-toggle')) return false;
                                  // Ensure we don't accidentally split giant parent blocks that have structured children wrappers
                                  if (el.tagName === 'DIV' && el.querySelector('p, li')) return false; 
                                  return el.innerText && el.innerText.trim().length > 5;
                              });

        for (let el of elements) {
            if (el.getAttribute('data-sentence-mode')) continue;

            el.setAttribute('data-original-html', el.innerHTML); 
            const segments = el.innerText.trim().match(/[^.!?।।]+[.!?।।]?/g) || [];
            el.innerHTML = '';
            el.setAttribute('data-sentence-mode', 'true');

            for (const fullSentence of segments) {
                if (!fullSentence || fullSentence.trim().length < 2) continue;

                const spanSentence = document.createElement('span');
                spanSentence.innerText = `${fullSentence.trim()} `;
                spanSentence.style.cursor = 'pointer';
                spanSentence.style.color = '#444';
                spanSentence.style.fontWeight = '500';

                spanSentence.addEventListener('click', async () => {
                    const existing = spanSentence.querySelector('.translation-span');
                    if (existing) { existing.remove(); return; }

                    const targetLang = isMarathi(fullSentence) ? 'en' : 'mr';
                    const translation = await translateText(fullSentence, targetLang);
                    if (translation) {
                        const spanTrans = document.createElement('span');
                        spanTrans.innerText = ` [${translation}] `;
                        spanTrans.style = `color: ${targetLang === 'en' ? '#007bff' : '#d81b60'}; font-weight: 500; background: rgba(0,0,0,0.04); padding: 0 2px; margin-left: 5px; border-radius: 3px; font-size: 0.95em;`;
                        spanTrans.className = 'translation-span';
                        spanSentence.appendChild(spanTrans);
                    }
                });
                el.appendChild(spanSentence);
            }
        }
    }

    function disableSentenceMode() {
        const elements = Array.from(document.querySelectorAll('[data-sentence-mode]'));
        for (let el of elements) {
            const originalHTML = el.getAttribute('data-original-html');
            if (originalHTML) {
                el.innerHTML = originalHTML;
            }
            el.removeAttribute('data-sentence-mode');
            el.removeAttribute('data-original-html');
        }
    }
})();