UofT - Course Hover Popup

Show course details on hover

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         UofT - Course Hover Popup
// @namespace    https://gist.github.com/jackjona/bbdce489534ec873b0738cca10100fc2
// @homepageURL  https://gist.github.com/jackjona/bbdce489534ec873b0738cca10100fc2
// @supportURL   https://gist.github.com/jackjona/bbdce489534ec873b0738cca10100fc2
// @version      1.2
// @description  Show course details on hover
// @author       Jack Jona
// @match        https://artsci.calendar.utoronto.ca/*
// @icon         https://icons.duckduckgo.com/ip3/utoronto.ca.ico
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Add CSS for the popup
    GM_addStyle(`
        .course-popup {
            position: absolute;
            border: 1px solid #ccc;
            border-radius: 3px;
            background: #fff;
            padding: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            z-index: 1000;
            display: none;
            max-width: 580px;
        }
    `);

    // Create the popup element
    const popup = document.createElement('div');
    popup.className = 'course-popup';
    document.body.appendChild(popup);

    // Function to show the popup
    function showPopup(event, content) {
        popup.innerHTML = content;
        popup.style.top = `${event.pageY + 10}px`;
        popup.style.left = `${event.pageX + 10}px`;
        popup.style.display = 'block';
    }

    // Function to hide the popup
    function hidePopup() {
        popup.style.display = 'none';
    }

    // Function to extract course details
    function extractCourseDetails(html) {
        const parser = new DOMParser();
        const doc = parser.parseFromString(html, 'text/html');

        // Data to extract
        const title = doc.querySelector('h1.page-title')?.innerText || 'N/A';
        const hours = doc.querySelector('div.field--name-field-hours .field__item')?.innerText || 'N/A';
        const descriptionElements = doc.querySelectorAll('div.node__content div.field--name-body.field--type-text-with-summary p');
        const description = Array.from(descriptionElements).map(p => p.innerText).join('<br><br>') || 'N/A';
        const prerequisites = doc.querySelector('div.field--name-field-prerequisite .field__item')?.innerText || 'N/A';
        const corequisites = doc.querySelector('div.field--name-field-corequisite .field__item')?.innerText || 'N/A';
        const requirement = doc.querySelector('div.field--name-field-breadth-requirements .field__item')?.innerText || 'N/A';

        // Displayed content
        return `
            <strong>Title:</strong> ${title}<br>
            <strong>Hours:</strong> ${hours}<br>
            <strong>Description:</strong> ${description}<br>
            <strong>Prerequisites:</strong> ${prerequisites}<br>
            <strong>Corequisites:</strong> ${corequisites}<br>
            <strong>Requirement (Breadth):</strong> ${requirement}
        `;
    }

    // Add event listeners to course links
    document.querySelectorAll('a[href^="/course/"]').forEach(link => {
        link.addEventListener('mouseover', event => {
            const url = link.getAttribute('href').toLowerCase();
            GM_xmlhttpRequest({
                method: 'GET',
                url: url,
                onload: function(response) {
                    const details = extractCourseDetails(response.responseText);
                    showPopup(event, details);
                }
            });
        });

        link.addEventListener('mouseout', hidePopup);
    });
})();