TODO Problem Manager

Save TODO Problems for CF, QOJ, and AtCoder

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

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