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musicbrainz-userscripts/expand-collapse-release-groups.user.js
David Kellner b91f40247d expand-rg: Open editing-related links in new tabs 
Since these are less likely to be used to speed up browsing (from an
artist page down to e.g. a specific recording on a release, skipping the
RG and release page) but for batch editing, it makes sense to open these
in new tabs by default.
2022-01-27 13:14:45 +01:00

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JavaScript
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// ==UserScript==
// @name MusicBrainz: Expand/collapse release groups
// @description See what's inside a release group without having to follow its URL. Also adds convenient edit links for it.
// @namespace http://userscripts.org/users/266906
// @author Michael Wiencek <mwtuea@gmail.com>
// @version 2022.1.6.1
// @license GPL
// @downloadURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/expand-collapse-release-groups.user.js
// @updateURL https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/expand-collapse-release-groups.user.js
// @grant none
// @include *://musicbrainz.org/artist/*
// @include *://musicbrainz.org/label/*
// @include *://musicbrainz.org/release-group/*
// @include *://musicbrainz.org/series/*
// @include *://beta.musicbrainz.org/artist/*
// @include *://beta.musicbrainz.org/label/*
// @include *://beta.musicbrainz.org/release-group/*
// @include *://beta.musicbrainz.org/series/*
// @include *://test.musicbrainz.org/artist/*
// @include *://test.musicbrainz.org/label/*
// @include *://test.musicbrainz.org/release-group/*
// @include *://test.musicbrainz.org/series/*
// @match *://musicbrainz.org/artist/*
// @match *://musicbrainz.org/label/*
// @match *://musicbrainz.org/release-group/*
// @match *://musicbrainz.org/series/*
// @match *://beta.musicbrainz.org/artist/*
// @match *://beta.musicbrainz.org/label/*
// @match *://beta.musicbrainz.org/release-group/*
// @match *://beta.musicbrainz.org/series/*
// @match *://test.musicbrainz.org/artist/*
// @match *://test.musicbrainz.org/label/*
// @match *://test.musicbrainz.org/release-group/*
// @match *://test.musicbrainz.org/series/*
// @exclude *musicbrainz.org/label/*/*
// @exclude *musicbrainz.org/release-group/*/*
// @exclude *musicbrainz.org/series/*/*
// ==/UserScript==
const MBID_REGEX = /[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}/;
const releasesOrReleaseGroups = document.querySelectorAll("#content table.tbl > tbody > tr > td a[href^='/release']");
for (const entity of releasesOrReleaseGroups) {
const entityLink = entity.getAttribute('href');
if (entityLink.match(/\/release-group\//)) {
inject_release_group_button(entity.parentNode);
} else if (!entityLink.match(/\/cover-art/)) {
// avoid injecting a second button for a release's cover art link
inject_release_button(entity.parentNode);
}
}
function inject_release_group_button(parent) {
let mbid = parent.querySelector('a').href.match(MBID_REGEX),
table = document.createElement('table');
table.style.marginTop = '1em';
table.style.marginLeft = '1em';
table.style.paddingLeft = '1em';
let button = create_button(
`/ws/2/release?release-group=${mbid}&limit=100&inc=media&fmt=json`,
function (toggled) {
if (toggled) parent.appendChild(table);
else parent.removeChild(table);
},
function (json) {
parse_release_group(json, mbid, table);
},
function (status) {
table.innerHTML = `<tr><td style="color: #f00;">Error loading release group (HTTP status ${status})</td></tr>`;
}
);
parent.insertBefore(button, parent.firstChild);
}
function inject_release_button(parent, _table_parent, _table, _mbid) {
let mbid = _mbid || parent.querySelector('a').href.match(MBID_REGEX),
table = _table || document.createElement('table');
let table_parent = _table_parent || parent; // fallback for pages where we do not inject the release groups
table.style.paddingLeft = '1em';
let button = create_button(
`/ws/2/release/${mbid}?inc=media+recordings+artist-credits&fmt=json`,
function (toggled) {
if (toggled) table_parent.appendChild(table);
else table_parent.removeChild(table);
},
function (json) {
parse_release(json, table);
},
function (status) {
table.innerHTML = `<tr><td style="color: #f00;">Error loading release (HTTP status ${status})</td></tr>`;
}
);
parent.insertBefore(button, parent.childNodes[0]);
}
function create_button(url, dom_callback, success_callback, error_callback) {
let button = document.createElement('span'),
toggled = false;
button.innerHTML = '&#9654;';
button.style.cursor = 'pointer';
button.style.marginRight = '4px';
button.style.color = '#777';
button.addEventListener(
'mousedown',
function () {
toggled = !toggled;
if (toggled) button.innerHTML = '&#9660;';
else button.innerHTML = '&#9654;';
dom_callback(toggled);
},
false
);
button.addEventListener(
'mousedown',
function () {
let this_event = arguments.callee;
button.removeEventListener('mousedown', this_event, false);
let req = new XMLHttpRequest();
req.onreadystatechange = function () {
if (req.readyState != 4) return;
if (req.status == 200 && req.responseText) {
success_callback(JSON.parse(req.responseText));
} else {
button.addEventListener(
'mousedown',
function () {
button.removeEventListener('mousedown', arguments.callee, false);
button.addEventListener('mousedown', this_event, false);
},
false
);
error_callback(req.status);
}
};
req.open('GET', url, true);
req.send(null);
},
false
);
return button;
}
function format_time(ms) {
let ts = ms / 1000,
s = Math.round(ts % 60);
return `${Math.floor(ts / 60)}:${s >= 10 ? s : `0${s}`}`;
}
function parse_release_group(json, mbid, table) {
let releases = json.releases;
table.innerHTML = '';
for (const release of releases) {
let media = {},
tracks = [],
formats = [];
for (const medium of release.media) {
let format = medium.format,
count = medium['track-count'];
if (format) {
format in media ? (media[format] += 1) : (media[format] = 1);
}
tracks.push(count);
}
for (let format in media) {
let count = media[format];
if (count > 1) formats.push(`${count.toString()}&#215;${format}`);
else formats.push(format);
}
release.tracks = tracks.join(' + ');
release.formats = formats.join(' + ');
}
releases.sort(function (a, b) {
if (a.date < b.date) return -1;
if (a.date > b.date) return 1;
return 0;
});
for (const release of releases) {
let track_tr = document.createElement('tr'),
track_td = document.createElement('td'),
track_table = document.createElement('table'),
format_td = document.createElement('td'),
tr = document.createElement('tr'),
td = document.createElement('td'),
a = createLink(`/release/${release.id}`, release.title);
track_td.colSpan = 6;
track_table.style.width = '100%';
track_table.style.marginLeft = '1em';
track_tr.appendChild(track_td);
inject_release_button(td, track_td, track_table, release.id);
td.appendChild(a);
if (release.disambiguation) {
td.appendChild(document.createTextNode(` (${release.disambiguation})`));
}
tr.appendChild(td);
format_td.innerHTML = release.formats;
tr.appendChild(format_td);
let columns = [release.tracks, release.date || '', release.country || '', release.status || ''];
for (const column of columns) {
tr.appendChild(createElement('td', column));
}
table.appendChild(tr);
table.appendChild(track_tr);
}
let bottom_tr = document.createElement('tr'),
bottom_td = document.createElement('td');
bottom_td.colSpan = 6;
bottom_td.style.padding = '1em';
bottom_td.appendChild(createNewTabLink(`/release-group/${mbid}/edit`, 'edit'));
bottom_td.appendChild(document.createTextNode(' | '));
bottom_td.appendChild(createNewTabLink(`/release/add?release-group=${mbid}`, 'add release'));
bottom_td.appendChild(document.createTextNode(' | '));
bottom_td.appendChild(createNewTabLink(`/release-group/${mbid}/edits`, 'editing history'));
bottom_tr.appendChild(bottom_td);
table.appendChild(bottom_tr);
}
function parse_release(json, table) {
let media = json.media;
table.innerHTML = '';
for (let i = 0; i < media.length; i++) {
let medium = media[i],
format = medium.format ? `${medium.format} ${i + 1}` : `Medium ${i + 1}`;
table.innerHTML += `<tr class="subh"><td colspan="4">${format}</td></tr>`;
for (let j = 0; j < medium.tracks.length; j++) {
let track = medium.tracks[j],
recording = track.recording,
disambiguation = recording.disambiguation ? ` (${recording.disambiguation})` : '',
length = track.length ? format_time(track.length) : '?:??',
artist_credit = track['artist-credit'] || track.recording['artist-credit'],
tr = document.createElement('tr');
tr.appendChild(createElement('td', j + 1));
let title_td = createElement('td', disambiguation);
title_td.insertBefore(createLink(`/recording/${recording.id}`, recording.title), title_td.firstChild);
tr.appendChild(title_td);
tr.appendChild(createElement('td', length));
let ac_td = document.createElement('td');
ac_td.appendChild(createAC(artist_credit));
tr.appendChild(ac_td);
table.appendChild(tr);
}
}
let bottom_tr = document.createElement('tr'),
bottom_td = document.createElement('td');
bottom_td.colSpan = 4;
bottom_td.style.padding = '1em';
bottom_td.appendChild(createNewTabLink(`/release/${json.id}/edit`, 'edit'));
bottom_td.appendChild(document.createTextNode(' | '));
bottom_td.appendChild(createNewTabLink(`/release/${json.id}/edit-relationships`, 'edit relationships'));
bottom_td.appendChild(document.createTextNode(' | '));
bottom_td.appendChild(createNewTabLink(`/release/${json.id}/edits`, 'editing history'));
bottom_td.appendChild(document.createTextNode(' | '));
bottom_td.appendChild(createNewTabLink(`/release/${json.id}/add-cover-art`, 'add cover art'));
bottom_tr.appendChild(bottom_td);
table.appendChild(bottom_tr);
}
function createAC(artist_credit_array) {
let span = document.createElement('span');
for (const credit of artist_credit_array) {
let artist = credit.artist,
link = createLink(`/artist/${artist.id}`, credit.name || artist.name);
link.setAttribute('title', artist['sort-name']);
span.appendChild(link);
if (credit.joinphrase) span.appendChild(document.createTextNode(credit.joinphrase));
}
return span;
}
function createElement(name, text) {
let element = document.createElement(name);
element.textContent = text;
return element;
}
function createLink(href, text) {
let element = createElement('a', text);
element.href = href;
return element;
}
function createNewTabLink(href, text) {
let link = createLink(href, text);
link.target = '_blank';
return link;
}
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