Matemaks Paywall

Ukrywa div.center.platny_dostep_info i dodaje przycisk YouTube oraz PDF przy każdym zadaniu z atrybutem yt

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

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

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.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

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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!)

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// ==UserScript==
// @name         Matemaks Paywall
// @version      1.1
// @description  Ukrywa div.center.platny_dostep_info i dodaje przycisk YouTube oraz PDF przy każdym zadaniu z atrybutem yt
// @match        *://www.matemaks.pl/*
// @license      MIT
// @grant        none
// @namespace https://greasyfork.org/users/1618843
// ==/UserScript==

(function () {
    'use strict';

    // ─── Konfiguracja ─────────────────────────────────────────────────────────
    const PDF_BASE_URL = 'https://www.matemaks.pl/notatki'; // <-- zmień na właściwy URL

    // ─── 1. Ukryj blokady dostępu ─────────────────────────────────────────────
    function hidePaywalls() {
        document.querySelectorAll('.center.platny_dostep_info').forEach(el => {
            el.style.display = 'none';
        });
    }

    // ─── 2. Styl przycisku ────────────────────────────────────────────────────
    function applyBtnStyle(btn, bgColor = '#fcfbf1') {
        Object.assign(btn.style, {
            display:    'inline-flex',
            alignItems: 'center',
            gap:        '6px',
            padding:    '2px 9px',
            margin:     '0',
            cursor:     'pointer',
            border:     '1px solid #ccc',
            background: bgColor,
            boxSizing:  'border-box',
            font:       'inherit',
        });
        btn.addEventListener('mouseenter', () => btn.style.background = '#fcfcd3');
        btn.addEventListener('mouseleave', () => btn.style.background = bgColor);
    }

    // ─── 3. Dodaj przyciski YT + PDF ─────────────────────────────────────────
    function addButtons() {
        document.querySelectorAll('.zadanie[yt]').forEach(el => {
            const ytId = el.getAttribute('yt');
            if (!ytId) return;

            // Nie dodawaj przycisków drugi raz
            if (el.querySelector('.yt-btn-injected')) return;

            // Pomiń jeśli zadanie ma już .buttons
            if (el.querySelector('.buttons')) return;

            const sek    = el.getAttribute('sek');
            const dataId = el.getAttribute('data-id') || el.getAttribute('id') || '';

            // ── Przycisk YouTube ──────────────────────────────────────────────
            const ytBtn = document.createElement('button');
            ytBtn.className = 'yt-btn-injected';
            ytBtn.innerHTML = `
                <img src="/grafika/ikony/film.svg" style="width:16px;height:16px;display:block;" onerror="this.style.display='none'">
                <span>Film</span>
            `;
            applyBtnStyle(ytBtn);

            // ── Przycisk PDF ──────────────────────────────────────────────────
            const pdfBtn = document.createElement('button');
            pdfBtn.className = 'pdf-btn-injected';

            // Numer z wiodącymi zerami, np. data-id="3740" → z3740n.pdf
            const paddedId  = dataId.padStart(4, '0');
            const pdfUrl    = `${PDF_BASE_URL}/z${paddedId}n.pdf`;

            pdfBtn.innerHTML = `
                <img src="/grafika/ikony/pisemne.svg" style="width:16px;height:16px;display:block;" onerror="this.style.display='none'">
                <span>Pdf</span>
            `;
            applyBtnStyle(pdfBtn);

            pdfBtn.addEventListener('click', () => {
                window.open(pdfUrl, '_blank');
            });

            // ── Wrapper wyśrodkowujący oba przyciski ──────────────────────────
            const btnWrapper = document.createElement('div');
            Object.assign(btnWrapper.style, {
                display:        'flex',
                justifyContent: 'center',
                width:          '100%',
                margin:         '8px auto',
            });
            // Usuń prawy border pierwszego przycisku żeby nie było podwójnej linii
            ytBtn.style.borderRight = 'none';
            btnWrapper.appendChild(ytBtn);
            btnWrapper.appendChild(pdfBtn);

            // ── Embed wrapper (YT) ────────────────────────────────────────────
            const embedWrapper = document.createElement('div');
            embedWrapper.className = 'yt-embed-wrapper';
            Object.assign(embedWrapper.style, {
                display:     'none',
                marginTop:   '8px',
                width:       '100%',
                aspectRatio: '16 / 9',
            });

            ytBtn.addEventListener('click', () => {
                const visible = embedWrapper.style.display !== 'none';
                if (visible) {
                    embedWrapper.style.display = 'none';
                    embedWrapper.innerHTML = '';
                } else {
                    const startSek = sek && sek !== '0' ? `&start=${sek}` : '';
                    const iframe = document.createElement('iframe');
                    iframe.src             = `https://www.youtube.com/embed/${ytId}?autoplay=1${startSek}`;
                    iframe.allow           = 'accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture';
                    iframe.allowFullscreen = true;
                    Object.assign(iframe.style, {
                        width:   '100%',
                        height:  '100%',
                        border:  'none',
                        display: 'block',
                    });
                    embedWrapper.innerHTML = '';
                    embedWrapper.appendChild(iframe);
                    embedWrapper.style.display = 'block';
                }
            });

            el.appendChild(btnWrapper);
            el.appendChild(embedWrapper);
        });
    }

    // ─── 4. Obserwuj dynamiczne zmiany DOM ────────────────────────────────────
    function run() {
        hidePaywalls();
        addButtons();
    }

    const observer = new MutationObserver(run);
    observer.observe(document.body, { childList: true, subtree: true });

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', run);
    } else {
        run();
    }

})();