MusicBrainz: Hotkeys for selected entities

Adds hotkeys to perform actions on selected entities. "A" = Artwork, "D" = Delete, "E" = Edit, "W" = Merge, "Q" = Aliases, "R" = Relationship Editor

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。

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

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         MusicBrainz: Hotkeys for selected entities
// @namespace    https://musicbrainz.org/user/chaban
// @version      1.5.1
// @description  Adds hotkeys to perform actions on selected entities. "A" = Artwork, "D" = Delete, "E" = Edit, "W" = Merge, "Q" = Aliases, "R" = Relationship Editor
// @tag          ai-created
// @author       chaban
// @license      MIT
// @match        *://*.musicbrainz.org/artist*
// @match        *://*.musicbrainz.org/area/*
// @match        *://*.musicbrainz.org/release-group/*
// @match        *://*.musicbrainz.org/label/*
// @match        *://*.musicbrainz.org/place/*
// @match        *://*.musicbrainz.org/isrc/*
// @match        *://*.musicbrainz.org/iswc/*
// @match        *://*.musicbrainz.org/report/*
// @match        *://*.musicbrainz.org/*/*/artists
// @match        *://*.musicbrainz.org/*/*/releases
// @match        *://*.musicbrainz.org/*/*/recordings
// @match        *://*.musicbrainz.org/*/*/release-groups
// @match        *://*.musicbrainz.org/*/*/events
// @match        *://*.musicbrainz.org/*/*/labels
// @match        *://*.musicbrainz.org/*/*/places
// @icon         https://musicbrainz.org/static/images/favicons/android-chrome-512x512.png
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const entityTypes = {
        release: { actions: ['delete', 'edit', 'viewArtwork', 'aliases', 'edit-relationships'] },
        recording: { actions: ['delete', 'edit', 'aliases'] },
        work: { actions: ['edit', 'aliases'] },
        area: { actions: ['delete', 'edit', 'aliases'] },
        instrument: { actions: ['delete', 'edit', 'aliases'] },
        genre: { actions: ['delete', 'edit', 'aliases'] },
        'release-group': { actions: ['edit', 'aliases'] },
        event: { actions: ['edit', 'viewArtwork', 'aliases'] },
        place: { actions: ['edit', 'aliases'] },
        label: { actions: ['edit', 'aliases'] },
        series: { actions: ['edit', 'aliases'] }
    };

    /**
     * Extracts the entity type and MBID from the URL.
     * @param {string} url - The URL to extract from.
     * @returns {object|undefined} An object containing the entity type and MBID, or undefined if not detectable.
     */
    function extractEntityFromURL(url) {
        const entity = url.match(/([^/]+)\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})(?:$|\/|\?)/i);
        return entity ? {
            type: entity[1],
            mbid: entity[2]
        } : undefined;
    }

    /**
     * Extracts the entity type and MBID from the link. Uses extractEntityFromURL
     * @param {HTMLAnchorElement} link The link element.
     * @returns {object|null} An object containing the entity type and MBID, or null if not detectable.
     */
    function extractEntityInfoFromLink(link) {
        if (!link || !link.href) {
            return null;
        }
        const entityInfo = extractEntityFromURL(link.href);
        return entityInfo && entityTypes[entityInfo.type] ? entityInfo : null;
    }

    /**
     * Opens pages based on action.
     * @param {NodeListOf<HTMLInputElement>} checkboxes - Checkboxes of entities.
     * @param {string} action - Type of action (edit, delete, viewArtwork, aliases).
     */
    function openPages(checkboxes, action) {
        checkboxes.forEach((checkbox, index) => {
            const row = checkbox.closest('tr');
            if (row) {
                const entityLink = row.querySelector('a[href]');
                const entityInfo = extractEntityInfoFromLink(entityLink);
                if (entityInfo && entityTypes[entityInfo.type].actions.includes(action) && entityInfo.mbid) {
                    let url = `/${entityInfo.type}/${entityInfo.mbid}/${action}`;
                    if (action === 'viewArtwork') {
                        url = entityInfo.type === 'release' ? `/release/${entityInfo.mbid}/cover-art` : `/event/${entityInfo.mbid}/event-art`;
                    }
                    setTimeout(() => {
                        window.open(url, '_blank');
                    }, index * 1000);
                }
            }
        });
    }

    /**
     * Checks if an input element or editable element has focus, excluding the entity selection checkboxes.
     * @returns {boolean} True if a non-checkbox input, textarea, select, or contenteditable element has focus.
     */
    function isInputFocused() {
        const activeElement = document.activeElement;
        if (!activeElement) return false;

        const tagName = activeElement.tagName.toLowerCase();

        if (tagName === 'input' && (activeElement.name === 'add-to-merge' || activeElement.parentElement.className === 'checkbox-cell') && activeElement.type === 'checkbox') {
            return false;
        }

        return (
            tagName === 'input' ||
            tagName === 'textarea' ||
            tagName === 'select' ||
            activeElement.isContentEditable
        );
    }

    /**
     * Handles the keydown event for triggering actions.
     * @param {KeyboardEvent} event - The keydown event.
     */
    function handleKeyDown(event) {
        if (event.ctrlKey || event.altKey || event.shiftKey || event.metaKey || event.isComposing || isInputFocused()) {
            return;
        }

        const checkedSelector = 'input[name="add-to-merge"]:checked';
        const checkboxes = document.querySelectorAll(checkedSelector);

        switch (event.key) {
            case 'w':
                if (checkboxes.length > 1) {
                    const container = document.querySelector('.list-merge-buttons-row-container');
                    if (container) {
                        const buttons = container.querySelectorAll('button[formtarget="_blank"]');
                        if (buttons.length > 0) {
                            buttons[buttons.length - 1].click();
                        }
                    }
                }
                break;
            case 'd':
                if (checkboxes.length > 0) {
                    openPages(checkboxes, 'delete');
                }
                break;
            case 'e':
                if (checkboxes.length > 0) {
                    openPages(checkboxes, 'edit');
                }
                break;
            case 'a':
                if (checkboxes.length > 0) {
                    openPages(checkboxes, 'viewArtwork');
                }
                break;
            case 'q':
                if (checkboxes.length > 0) {
                    openPages(checkboxes, 'aliases');
                }
                break;
            case 'r':
                if (checkboxes.length > 0) {
                    openPages(checkboxes, 'edit-relationships');
                }
                break;
        }
    }

    document.addEventListener('keydown', handleKeyDown);
})();