Edge Local File Enhancer

Enhance the experience of viewing local files on Edge.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Edge Local File Enhancer
// @namespace    http://tampermonkey.net/
// @version      0.1.5
// @description  Enhance the experience of viewing local files on Edge.
// @author       PRO
// @match        file:///*/
// @icon         data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABt0lEQVR42oxStZoWQRCs2cXdHTLcHZ6EjAwnQWIkJyQlRt4Cd3d3d1n5d7q7ju1zv/q+mh6taQsk8fn29kPDRo87SDMQcNAUJgIQkBjdAoRKdXjm2mOH0AqS+PlkP8sfp0h93iu/PDji9s2FzSSJVg5ykZqWgfGRr9rAAAQiDFoB1OfyESZEB7iAI0lHwLREQBcQQKqo8p+gNUCguwCNAAUQAcFOb0NNGjT+BbUC2YsHZpWLhC6/m0chqIoM1LKbQIIBwlTQE1xAo9QDGDPYf6rkTpPc92gCUYVJAZjhyZltJ95f3zuvLYRGWWCUNkDL2333McBh4kaLlxg+aTmyL7c2xTjkN4Bt7oE3DBP/3SRz65R/bkmBRPGzcRNHYuzMjaj+fdnaFoJUEdTSXfaHbe7XNnMPyqryPcmfY+zURaAB7SHk9cXSH4fQ5rojgCAVIuqCNWgRhLYLhJB4k3iZfIPtnQiCpjAzeBIRXMA6emAqoEbQSoDdGxFUrxS1AYcpaNbBgyQBGJEOnYOeENKR/iAd1npusI4C75/c3539+nbUjOgZV5CkAU27df40lH+agUdIuA/EAgDmZnwZlhDc0wAAAABJRU5ErkJggg==
// @grant        none
// @run-at       document-end
// @license      gpl-3.0
// ==/UserScript==

(function() {
    'use strict';
    // Helper functions
    const path = location.href;
    if (!path.startsWith("file:///") || !path.endsWith("/")) return;
    const debug = false;
    const log = debug ? console.log.bind(console, "[ELFE]") : () => {};
    const $ = document.querySelector.bind(document);
    const $$ = document.querySelectorAll.bind(document);
    const getModifier = (e) => (e.ctrlKey << 2 | e.shiftKey << 1 | e.altKey);
    const hasModifier = (e, test = 0b111) => Boolean(getModifier(e) & test);
    const modifierDict = (e) => {
        return {
            "button": e.button || 0,
            "ctrlKey": e.ctrlKey,
            "shiftKey": e.shiftKey,
            "altKey": e.altKey,
            "bubble": false,
        }
    };

    // CSS
    const header = $("h1#header");
    const css = document.createElement("style");
    css.id = "elfe-css";
    css.textContent = `
        html { scroll-behavior: smooth; }
        h1#header > a { color: initial; text-decoration: none; transition: color 0.2s ease-in-out; }
        h1#header > a:hover { color: -webkit-link; }
        table { margin: 0.5rem 0; width: auto; }
        table td, table th { padding: 0.3rem 0.5rem; vertical-align: middle; }
        div#parentDirLinkBox { display: none !important; }
        #parentDir { padding: 0 0.5em 0; }
        thead th { border-left: 1px solid gray; border-right: 1px solid gray; }
        thead th, tbody tr { transition: background-color 0.2s ease-in-out; cursor: pointer; }
        thead th:hover, tbody tr:hover { background-color: #333333; }
        tbody tr.selected { background-color: #4d4d4d; }
    `;
    $("head").appendChild(css);

    // Navigation
    const delimeter = header.textContent.includes("\\") ? "\\" : "/";
    const split = header.textContent.split(delimeter);
    log(split);
    const parts = split.slice(0, -1);
    header.innerHTML = '<a href="../" id="parentDir">↑</a>'
        + parts.map((part, i) =>
            `<a href="${parts.slice(0, i + 1).join(delimeter)}${delimeter}">${part}</a>`
        ).join(delimeter) + delimeter + split.slice(-1)[0];

    // Table
    const rows = $$("tbody tr");
    rows.forEach(row => {
        row.addEventListener("click", e => {
            if (e.button != 0) return true;
            log(e);
            e.preventDefault();
            row.querySelector("a").dispatchEvent(new MouseEvent("click", modifierDict(e)));
            return true;
        });
    });
    $$("td").forEach(td => {
        td.title = td.getAttribute("data-value") || td.textContent;
    });

    // Shortcuts
    const parentDir = $("#parentDir");
    const count = rows.length;
    var selected = 0;
    function select(i) {
        rows[selected].classList.remove("selected");
        selected = i;
        rows[selected].classList.add("selected");
        rows[selected].scrollIntoView({ block: "center" });
    }
    function delta(d) {
        select((selected + d + count) % count);
    }
    document.addEventListener("keydown", e => {
        switch (e.key) {
            case "ArrowUp":
                e.preventDefault();
                if (e.altKey && parentDir) { // Go to parent directory
                    parentDir.click();
                    break;
                }
                if (e.ctrlKey) { // Scroll up
                    window.scrollBy({ top: -window.innerHeight / 2});
                    break;
                }
                if (count == 0) break;
                if (e.shiftKey) { // Select top
                    select(0);
                    break;
                }
                // Select previous
                delta(-1);
                break;
            case "ArrowDown":
                e.preventDefault();
                if (e.ctrlKey) { // Scroll down
                    window.scrollBy({ top: window.innerHeight / 2});
                    break;
                }
                if (count == 0) break;
                if (e.shiftKey) { // Select bottom
                    select(count - 1);
                    break;
                }
                // Select next
                delta(1);
                break;
            case "ArrowLeft":
                if (hasModifier(e)) break; // Try to be none-intrusive
                history.back(); break;
            case "ArrowRight":
                if (hasModifier(e)) break;
                history.forward(); break;
            case "Enter": {
                if (count == 0) break;
                e.preventDefault();
                const link = rows[selected].querySelector("a");
                link.dispatchEvent(new MouseEvent("click", modifierDict(e)));
                break;
            }
            default: break;
        }
    });
})();