MediaWiki:Gadget-Filterable.js
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/* experimental filterable table function */
(function(mw, $) {
'use strict';
var filterIdCounter = 0;
var filterButtons = [];
var filterInputs = [];
var fb = new AttrData('filterable');
var fbh = new AttrData('filterable-head');
var fbb = new AttrData('filterable-button');
var fbi = new AttrData('filterable-input');
var fbig = new AttrData('filterable-input-group');
function AttrData(name) {
this.name = name;
this.classSelector = '.' + name;
this.activeClass = name + '-active';
this.idPrefix = name + '-';
this.idSelectorPrefix = '#' + name + '-';
}
function FilterButton($filterHead, filterid) {
this.id = filterid;
var $filterbutton = $('<span title="筛选" id="' + fbb.idPrefix + this.id + '" class="' + fbb.name + '"><i class="fa fa-filter" aria-hidden="true"></i></span>');
$filterHead.append($filterbutton);
$filterbutton.click(this.id, function(event) {
event.stopPropagation();
var filterinputid = $(this).attr('id').replace(fbb.idPrefix, fbi.idPrefix);
for (var i = 0; i <= filterIdCounter; i++) {
if (fbi.idPrefix + i === filterinputid) {
continue;
}
if ($(fbi.idSelectorPrefix + i).css('display') !== 'none') {
$(fbi.idSelectorPrefix + i).fadeToggle();
}
}
$('#' + filterinputid).fadeToggle(200);
updateFilterableInputPosition(event.data);
});
}
function FilterInput(filterid) {
this.id = filterid;
var index = $(fbb.idSelectorPrefix + filterid).parent('th,td').index();
var filterItems = new Set();
var filterInputItemsPart = '';
$(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector).children('tbody').children('tr').each(function() {
if ($(this).children('td,th').eq(index).text() && !$(this).children('td,th').eq(index).hasClass(fbh.name)) {
filterItems.add($(this).children('td,th').eq(index).text());
}
});
if (filterItems.size > 0) {
filterInputItemsPart += '<li role="separator"class="divider"></li><li class="dropdown-header">项目筛选：</li><li class="dropdown-content"><div class="btn-group btn-group-justified"role="group"><div class="btn-group btn-group-sm"role="group"><button type="button"class="btn btn-success checkbox-select-all">全选</button></div><div class="btn-group btn-group-sm"role="group"><button type="button"class="btn btn-warning checkbox-clear-all">全清</button></div></div></li><li class="dropdown-content"><div class="checkbox-group list-group">';
filterItems.forEach(function(value) {
filterInputItemsPart += '<div class="list-group-item"><input type="checkbox" checked="true" value="' + value + '" /><span title="' + value + '">' + value + '</span></div>';
});
filterInputItemsPart += '</div></li>'
}
var $filterinput = $('<ul id="' + fbi.idPrefix + filterid + '"class="' + fbig.name + ' dropdown-menu"><li class="dropdown-header">字段筛选：</li><li class="dropdown-content"><div class="input-group input-group-sm"><input type="text"class="' + fbi.name + ' form-control"placeholder="输入筛选字段"/><span class="input-group-btn"><button class="btn btn-warning btn-sm"type="button">清除</button></span></div></li>' + filterInputItemsPart + '</ul>');
$(document.body).append($filterinput);
$filterinput.find('.input-group input').keyup(function(event) {
var filterid = $(this).parent('.input-group').parent('.dropdown-content').parent(fbig.classSelector).attr('id').match(/[0-9]+/);
updateFilterButtonState(filterid);
filterTable($(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector));
});
$filterinput.click(function(event) {
event.stopPropagation();
});
$filterinput.find('.input-group-btn').click(function(event) {
var filterid = $(this).parent('.input-group').parent('.dropdown-content').parent(fbig.classSelector).attr('id').match(/[0-9]+/);
$(this).prev().val('');
updateFilterButtonState(filterid);
filterTable($(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector));
});
$filterinput.find('.checkbox-group input').click(function(event) {
var filterid = $(this).parent('.list-group-item').parent('.checkbox-group').parent('.dropdown-content').parent(fbig.classSelector).attr('id').match(/[0-9]+/);
updateFilterButtonState(filterid);
filterTable($(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector));
});
$filterinput.find('.checkbox-select-all').click(function(event) {
var filterid = $(this).parent('.btn-group').parent('.btn-group').parent('.dropdown-content').parent(fbig.classSelector).attr('id').match(/[0-9]+/);
$(fbi.idSelectorPrefix + filterid + ' .checkbox-group input').prop('checked', true);
updateFilterButtonState(filterid);
filterTable($(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector));
});
$filterinput.find('.checkbox-clear-all').click(function(event) {
var filterid = $(this).parent('.btn-group').parent('.btn-group').parent('.dropdown-content').parent(fbig.classSelector).attr('id').match(/[0-9]+/);
$(fbi.idSelectorPrefix + filterid + ' .checkbox-group input').prop('checked', false);
updateFilterButtonState(filterid);
filterTable($(fbb.idSelectorPrefix + filterid).parent('td,th').parent('tr').parent('thead,tbody,tfoot').parent(fb.classSelector));
});
}
function updateFilterButtonState(id) {
var keyword = $(fbi.idSelectorPrefix + id + ' .input-group input').val();
var items = $(fbi.idSelectorPrefix + id + ' .checkbox-group input:not(:checked)');
if (keyword || items.length) {
$(fbb.idSelectorPrefix + id).addClass(fbb.activeClass);
} else {
$(fbb.idSelectorPrefix + id).removeClass(fbb.activeClass);
}
}
function setupFilterable($filterable) {
$filterable.children('thead,tbody,tfoot').children('tr').children(fbh.classSelector).each(function() {
filterButtons.push(new FilterButton($(this),filterIdCounter));
filterInputs.push(new FilterInput(filterIdCounter));
filterIdCounter++;
});
}
function updateFilterableInputPosition(id) {
var $filterinput = $(fbi.idSelectorPrefix + id);
var $filtericon = $(fbb.idSelectorPrefix + id);
var offset = $filtericon.offset();
var top = offset.top + $filtericon.height();
var left = offset.left - ($filterinput.width() / 2);
var right = left + $filterinput.width();
var bottom = top + $filterinput.height();
if (left < 0) {
left = 0;
} else if (right > $(document).width()) {
left = $(document).width() - $filterinput.width();
}
if (bottom > $(document).height()) {
top = $(document).height() - $filterinput.height();
}
$filterinput.offset({
top: top,
left: left,
});
}
function filterTable($filterabletable) {
if (window.filterTimeoutId) {
window.clearTimeout(window.filterTimeoutId);
window.filterTimeoutId = null ;
}
window.filterTimeoutId = window.setTimeout(function() {
var filters = {};
$filterabletable.children('thead,tbody,tfoot').children('tr').children('th,td').children(fbb.classSelector).each(function() {
var index = $(this).parent('th,td').index();
filters[index] = {};
var $filterInput = $('#' + $(this).attr('id').replace(fbb.idPrefix, fbi.idPrefix));
filters[index].items = [];
$filterInput.find('.checkbox-group input:not(:checked)').each(function() {
filters[index].items.push($(this).val());
});
filters[index].keyword = $filterInput.find('.input-group input').val().replace(/[.?*+^$[\]\\(){}|-]/g, "\\$&");
});
$filterabletable.children('tbody').children('tr').each(function() {
for (var col in filters) {
if (filters.hasOwnProperty(col)) {
var $cell = $(this).children('td,th').eq(col);
if ($cell.length === 0) {
console.log('Filterable: Cannot find target cell(colspan?), skipping...')
return;
}
if ($cell.hasClass(fbh.name)) {
return;
}
var keywordRegex = new RegExp(filters[col].keyword,'i');
if (!keywordRegex.test($cell.text())) {
$(this).hide();
return;
}
for (var item in filters[col].items) {
if (filters[col].items[item] == $cell.text()) {
$(this).hide();
return;
}
}
}
}
$(this).show();
});
}, 500);
}
$(document).ready(function() {
if ($(fb.classSelector).length === 0) {
return;
}
console.log('Filterable: Loading module...');
$(fb.classSelector).each(function() {
if ($(this).prop('tagName') !== 'TABLE') {
console.log('Filterable: Invalid tag found, skipping...');
return;
}
setupFilterable($(this));
});
$(window).resize(function(event) {
for (var i = 0; i <= filterIdCounter; i++) {
updateFilterableInputPosition(i);
}
});
$(window).click(function() {
for (var i = 0; i <= filterIdCounter; i++) {
if ($(fbi.idSelectorPrefix + i).css('display') !== 'none') {
$(fbi.idSelectorPrefix + i).fadeToggle();
}
}
});
});
}(mediaWiki, jQuery));