TODO Problem Manager

Save TODO Problems for CF, QOJ, and AtCoder

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

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

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

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

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

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.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name         TODO Problem Manager
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Save TODO Problems for CF, QOJ, and AtCoder
// @author       jakao
// @license      MIT
// @match        *://qoj.ac/*
// @match        *://codeforces.com/contest/*
// @match        *://codeforces.com/gym/*
// @match        *://atcoder.jp/*
// @grant        GM_setValue
// @grant        GM_getValue
// ==/UserScript==

(function() {
    'use strict';

    function getUrls() {
        return GM_getValue('savedUrls', {});
    }

    function saveUrls(urls) {
        GM_setValue('savedUrls', urls);
    }

    const modal = document.createElement('div');

    function createModal() {
        modal.id = 'urlModal';
        modal.style.position = 'fixed';
        modal.style.top = '50%';
        modal.style.left = '50%';
        modal.style.transform = 'translate(-50%, -50%)';
        modal.style.zIndex = '10000';
        modal.style.backgroundColor = '#fff';
        modal.style.border = '1px solid #ccc';
        modal.style.boxShadow = '0 4px 6px rgba(0, 0, 0, 0.1)';
        modal.style.padding = '20px';
        modal.style.width = '80%';
        modal.style.maxWidth = '600px';
        modal.style.maxHeight = '80%';
        modal.style.overflowY = 'auto';
        modal.style.display = 'none';
        document.body.appendChild(modal);
    }

    function displaySavedUrls() {
        const urls = getUrls();
        createModal();
        // 清空彈窗內容,保留 Close 按鈕
        modal.innerHTML = '<button style="position: absolute; top: 10px; right: 10px; background-color: #f50057; color: #fff; border: none; padding: 5px; cursor: pointer;" onclick="document.getElementById(\'urlModal\').style.display=\'none\';">Close</button>';
        modal.innerHTML += '<h2>Saved Problems</h2>';

        for (const domain in urls) {
            const domainSection = document.createElement('div');
            domainSection.innerHTML = `<h3>${domain}</h3>`;
            const urlList = document.createElement('ul');

            urls[domain].forEach((url, index) => {
                const listItem = document.createElement('li');
                listItem.innerHTML = `
                <button style="margin-left: 10px;">Delete</button>
                <a href="${url.link}" target="_blank">${url.name}</a>
            `;

                const deleteButton = listItem.querySelector('button');
                deleteButton.onclick = () => {
                    deleteUrl(domain, index);
                };

                urlList.appendChild(listItem);
            });

            domainSection.appendChild(urlList);
            modal.appendChild(domainSection);
        }


        const saveButton = document.createElement('button');
        saveButton.textContent = 'Save Problem';
        saveButton.style.position = 'absolute';
        saveButton.style.top = '10px';
        saveButton.style.right = '70px';
        saveButton.style.backgroundColor = '#3D9140';
        saveButton.style.color = '#fff';
        saveButton.style.border = 'none';
        saveButton.style.padding = '5px';
        saveButton.style.cursor = 'pointer';

        saveButton.onclick = function() {
            addUrl();
        };
        modal.appendChild(saveButton);

        modal.style.display = 'block';
    }

    function deleteUrl(domain, index) {
        const urls = getUrls();
        if (urls[domain]) {
            urls[domain].splice(index, 1);
            if (urls[domain].length === 0) {
                delete urls[domain];
            }
            saveUrls(urls);
            displaySavedUrls();
            alert('URL deleted successfully!');
        }
    }

    function addUrl(){
        const currentProb = {
            "link": window.location.href,
            "name": window.location.href
        };

        const regexCF = /^https:\/\/codeforces\.com\/(gym|contest)\/\d+\/problem\/[A-Za-z0-9]+$/;
        const regexQOJ = /^https:\/\/qoj\.ac\/contest\/\d+\/problem\/[A-Za-z0-9]+$/;
        const regexAC = /^https:\/\/atcoder\.jp\/contests\/[^\/]+\/tasks\/[^\/]+$/;

        if (regexCF.test(currentProb.link)) {
            const parts = currentProb.link.split('/');
            currentProb.name = parts[4] + parts[6];
        }
        else if (regexQOJ.test(currentProb.link)) {
            const parts = currentProb.link.split('/');
            currentProb.name = parts[6];
        }
        else if (regexAC.test(currentProb.link)) {
            const parts = currentProb.link.split('/');
            currentProb.name = parts[6];
        }

        const domain = new URL(currentProb.link).hostname.split('.')[0];
        const urls = getUrls();

        if (!urls[domain]) {
            urls[domain] = [];
        }

        if (!urls[domain].some(item => item.link === currentProb.link)) {
            urls[domain].push(currentProb);
            saveUrls(urls);
            displaySavedUrls();
            alert('URL saved successfully!');
        } else {
            alert('URL is already saved.');
        }
    }

    function addViewButton() {
        const viewButton = document.createElement('button');
        viewButton.textContent = 'View Saved Problems';
        viewButton.style.position = 'fixed';
        viewButton.style.bottom = '10px';
        viewButton.style.right = '10px';
        viewButton.style.zIndex = '9999';
        viewButton.style.backgroundColor = '#3f51b5';
        viewButton.style.color = '#fff';
        viewButton.style.border = 'none';
        viewButton.style.padding = '10px';
        viewButton.style.cursor = 'pointer';

        viewButton.onclick = displaySavedUrls;

        document.body.appendChild(viewButton);
    }

    function init() {
        createModal();

        addViewButton();
        window.deleteUrl = deleteUrl;
        window.addUrl = addUrl;
    }

    init();
})();