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提出言語のフィルタリングと並び替え
// ==UserScript==
// @name AtCoder Language Filter
// @namespace https://github.com/morioprog
// @version 1.0.2
// @description 提出言語のフィルタリングと並び替え
// @author morio_prog
// @match *://atcoder.jp/contests/*/tasks/*
// @match *://atcoder.jp/contests/*/submit*
// @match *://atcoder.jp/contests/*/custom_test*
// @license CC0
// @require https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.12/js/select2.min.js
// ==/UserScript==
(function() {
'use strict';
const DEFAULT_LANGUAGE_KEY = 'defaultLang';
const SAVED_LANGUAGE_KEY = 'userscript-languagefilter-savedlanguage';
function moveElementToEndOfParent($ele) {
const parent = $ele.parent();
$ele.detach();
parent.append($ele);
}
let defLang = localStorage.getItem(DEFAULT_LANGUAGE_KEY);
if (defLang) defLang = defLang.replace(/[^0-9]/g, '');
const $selectLanguage = $('#select-lang select');
/* Build language-map */
const optMap = new Map(); // {lang: [value, data-mime]}
$selectLanguage.children('option').each(function(_, e) {
const $opt = $(e);
optMap.set(
$opt.text(),
[
$opt.attr('value'),
$opt.attr('data-mime'),
]
);
$(this).remove();
});
/* Add button */
const buttonHtml = `<p><button type="button" class="btn btn-default btn-sm btn-auto-height" data-toggle="modal" data-target="#LangFilterModal">提出言語の選択</button></p>`;
$('#main-container > div.row > div > form > div > div.editor-buttons').append(buttonHtml);
/* Add modal */
const modalHtml = `
<div class="modal fade" id="LangFilterModal" tabindex="-1" role="dialog" aria-labelledby="LangFilterModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="LangFilterModalLabel">提出言語の選択</h4>
</div>
<div class="modal-body" id="langfilter-modal">
<select id="langfilter-select2" multiple="multiple"></select>
</div>
<div class="modal-footer">
<button type="button" id="langfilter-selectall" class="btn btn-info pull-left">Select All</button>
<button type="button" id="langfilter-clear" class="btn btn-danger pull-left">Clear</button>
<span id="langfilter-savelabel" style="margin-right:20px;"></span>
<button type="button" id="langfilter-save" class="btn btn-success">Save changes</button>
</div>
</div>
</div>
</div>`;
$('body').prepend(modalHtml);
const $lfsel2 = $('select#langfilter-select2');
optMap.forEach(function(val, key) {
$lfsel2.append(
$('<option>', {
value: val[0],
text: key,
})
);
});
/* Load saved languages */
let savedLanguage = localStorage.getItem(SAVED_LANGUAGE_KEY);
let selectedLanguage = [];
if (savedLanguage) {
try {
savedLanguage = JSON.parse(savedLanguage);
} catch (error) {
savedLanguage = [];
console.log(error);
}
$.each(savedLanguage, function(_, lang) {
if (!optMap.has(lang)) return true;
const val = optMap.get(lang)[0];
const mim = optMap.get(lang)[1];
$selectLanguage.append(
$('<option>', {
'value': val,
'data-mime': mim,
'text': lang,
'selected': val == defLang,
})
);
selectedLanguage.push(lang);
const $opt = $lfsel2.find(`option[value='${val}']`);
$opt.prop('selected', true);
moveElementToEndOfParent($opt);
});
}
/* Apply Select2 */
$lfsel2.select2({
placeholder: 'Languages',
theme: 'bootstrap',
}).on('select2:select', function(evt) {
const $opt = $(this).children(`option[value=${evt.params.data.id}]`);
moveElementToEndOfParent($opt);
$(this).trigger("change");
});
const $ul = $('#langfilter-modal > span > span.selection > span > ul.select2-selection__rendered');
$ul.sortable({
containment: 'parent',
update: function() {
$(this).children("li[title]").each(function(_, li) {
const $opt = $lfsel2.children('option').filter(function() {
return $(this).html() == li.title;
});
moveElementToEndOfParent($opt);
});
}
});
$('#langfilter-clear').on('click', function() {
$lfsel2.val(null).trigger('change');
});
$('#langfilter-selectall').on('click', function() {
$lfsel2.children('option').prop('selected', true);
$lfsel2.trigger("change");
});
$('#langfilter-save').on('click', function() {
selectedLanguage = [];
$ul.children('li.select2-selection__choice').each(function() {
selectedLanguage.push($(this).text().slice(1));
});
if (selectedLanguage.length === 0) {
$('#langfilter-savelabel').removeClass('text-success');
$('#langfilter-savelabel').addClass('text-danger');
$('#langfilter-savelabel').text('Please select at least 1 language!');
} else {
localStorage.setItem(SAVED_LANGUAGE_KEY, JSON.stringify(selectedLanguage));
$('#langfilter-savelabel').removeClass('text-danger');
$('#langfilter-savelabel').addClass('text-success');
$('#langfilter-savelabel').text(`Saved (${(new Date()).toLocaleString()})`);
}
});
})();