Adds fields for persistent global & fandom filters to works index pages on AO3
// ==UserScript==
// @name ao3 saved filters
// @description Adds fields for persistent global & fandom filters to works index pages on AO3
// @namespace ao3
// @include http*://www.archiveofourown.org/*works*
// @include http*://archiveofourown.org/*works*
// @grant none
// @version 1.5
// ==/UserScript==
(function ($) {
// config
var TAG_OWNERSHIP_PERCENT = 70; // the top fandom which owns works in the current tag must own at least this percent in order to be considered the search's active fandom
var works = $('#main.works-index'), form = $('form#work-filters');
if (!works[0] || !form[0]) return;
var fandomName = (function () {
var fandom = $('#include_fandom_tags label').first().text(),
fandomCount = parseInt(
fandom.substring(fandom.lastIndexOf('(') + 1, fandom.lastIndexOf(')'))
),
tagCount = works.find('.heading').first().text();
tagCount = tagCount.substring(0, tagCount.indexOf(' Works'));
tagCount = parseInt(tagCount.substring(tagCount.lastIndexOf(' ') + 1));
fandom = fandom.substring(0, fandom.lastIndexOf('(')).trim();
if (!fandom || !fandomCount || !tagCount) { return; }
return (fandomCount / tagCount * 100 > TAG_OWNERSHIP_PERCENT) ? fandom : null;
})(),
tempKey = 'temp-filter', tempFilter = localStorage[tempKey],
tempGlobalKey = 'temp-global-filter',
tempGlobalFilter = localStorage[tempGlobalKey],
tempFandomKey = 'temp-fandom-filter',
tempFandomFilter = localStorage[tempFandomKey],
globalKey = 'global-filter', fandomKey = fandomName ? 'filter-' + fandomName : '',
globalBox = $('<textarea>').val(localStorage[globalKey] ?
localStorage[globalKey] : ''),
fandomBox = fandomKey ?
globalBox.clone().val(localStorage[fandomKey] ? localStorage[fandomKey] : '') : $(),
search = $('#work_search_query'),
dt = search.parents('dd').first().prev(dt),
realSearch = $('<textarea>')
.attr('name', search.attr('name'))
.css('display', 'none')
.insertAfter(search.removeAttr('name')),
collapser = $('<dt>').addClass('saved-filters-collapser'),
rightArrow = $('<img>').attr('src', '/images/arrow-right.gif?1352358192'),
downArrow = $('<img>').attr('src', '/images/arrow-down.gif?1352358192'),
container = $('<div>').addClass('saved-filters'),
prevSearch = (function () {
var ps, key = realSearch.attr('name') + '=';
if (decodeURIComponent(window.location).indexOf(key) > 0) {
ps = decodeURIComponent(window.location);
ps = ps.substring(ps.indexOf(key) + key.length);
ps = ps.indexOf('&') != -1 ? ps.substring(0, ps.indexOf('&')) : ps;
}
return ps;
})();
$('<style>').text(
'.saved-filters-collapser { cursor: pointer; } .saved-filters, saved-filters > div { margin-bottom: 0.6em; } .saved-filters { border-style: solid; border-width: 1px; padding: 0.6em; } .saved-filters textarea { min-height: 8em; } .saved-filters div label { padding-left: 3px; } .prev-search span { color: #000; } .prev-search .temp { background: #ACEA72; } .prev-search .global { background: #93D2ED; } .prev-search .fandom { background: #B9AAED; }'
).appendTo($('head'));
globalBox.addClass('global-filter')
.add(fandomBox.addClass('fandom-filter'))
.each(function () {
var ta = $(this),
cls = ta.attr('class'),
title = cls.charAt(0).toUpperCase() + cls.substring(1, cls.indexOf('-')) + ':';
$('<div>').addClass(`${cls} ao3-saved-filters-section`)
.prepend(title)
.append(ta.removeClass(),
$('<label>').text('Enabled')
.prepend(
$('<input>').attr({ 'type': 'checkbox' })
.addClass('js-enabled-checkbox')
.css({
clip: 'auto',
'margin-right': '0.3em',
position: 'relative',
width: 'auto',
})
),
$('<button>')
.attr('type', 'button')
.addClass('action js-save-filter')
.text('Save')
).appendTo(container);
});
container.find('.ao3-saved-filters-section').each(function () {
var $section = $(this),
$checkbox = $section.find('.js-enabled-checkbox'),
$saveButton = $section.find('.js-save-filter'),
key = $saveButton.parents('.global-filter')[0] ? globalKey : fandomKey,
checked = localStorage[key + '-on'] !== 'false';
$checkbox.attr('checked', checked);
$saveButton.click(function () {
localStorage[key] = $saveButton.siblings('textarea').val();
localStorage[key + '-on'] = $checkbox.is(':checked') + '';
});
});
if (tempFilter && search.val().indexOf(tempFilter) != -1) {
search.val(tempFilter);
} else {
localStorage[tempFilter] = '';
search.val('');
}
container = $('<dd>').append(container);
collapser.prepend(rightArrow,
' Saved filters'
).click(function () {
container.toggle();
collapser.children('img').replaceWith(
container.is(':visible') ? downArrow : rightArrow);
}).add(container.hide()).insertBefore(dt);
form.submit(function () {
var val = search.val() || '';
container.find('.ao3-saved-filters-section').each(function () {
var $section = $(this);
var $textarea = $section.find('textarea');
var enabled = $section.find('.js-enabled-checkbox').is(':checked');
var key = $textarea.parents('.global-filter')[0] ? tempGlobalKey : tempFandomKey;
if ($textarea.val() && enabled) {
localStorage[key] = $textarea.val();
if ((' ' + val + ' ').indexOf(' ' + $textarea.val() + ' ') < 0) {
val += ' ' + $textarea.val();
}
} else if (localStorage[key]) {
localStorage[key] = '';
}
});
localStorage[tempKey] = search.val();
realSearch.val(val);
});
if (prevSearch) {
prevSearch = 'Your filter was: ' + decodeURIComponent(prevSearch).split('+').join(' ') + '.';
if (tempFilter) {
prevSearch = prevSearch.replace(tempFilter, '<span class="temp">' + tempFilter + '</span>');
}
if (tempGlobalFilter) {
prevSearch = prevSearch.replace(tempGlobalFilter, '<span class="global">' + tempGlobalFilter + '</span>');
}
if (tempFandomFilter) {
prevSearch = prevSearch.replace(tempFandomFilter, '<span class="fandom">' + tempFandomFilter + '</span>');
}
works.find('.heading').first().after(
$('<div>').addClass('prev-search').append(prevSearch));
} else if ((localStorage[globalKey] && localStorage[globalKey + '-on'] !== 'false') ||
(localStorage[fandomKey] && localStorage[fandomKey + '-on'] !== 'false')) {
form.submit();
}
})(window.jQuery);