72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
'use strict';
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const LightTableSorter = (() => {
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let th = null;
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let cellIndex = null;
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let order = '';
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const text = (row) => {
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return row.cells.item(cellIndex).textContent.toLowerCase();
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};
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const sort = (a, b) => {
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let textA = text(a);
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let textB = text(b);
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const n = parseInt(textA, 10);
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if (n) {
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textA = n;
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textB = parseInt(textB, 10);
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}
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if (textA > textB) {
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return 1;
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}
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if (textA < textB) {
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return -1;
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}
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return 0;
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};
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const toggle = () => {
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const c = order !== 'sorting_asc' ? 'sorting_asc' : 'sorting_desc';
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th.className = (th.className.replace(order, '') + ' ' + c).trim();
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return order = c;
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};
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const reset = () => {
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th.classList.remove('sorting_asc', 'sorting_desc');
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th.classList.add('sorting');
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return order = '';
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};
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const onClickEvent = (e) => {
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if (th && (cellIndex !== e.target.cellIndex)) {
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reset();
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}
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th = e.target;
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if (th.nodeName.toLowerCase() === 'th') {
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cellIndex = th.cellIndex;
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const tbody = th.offsetParent.getElementsByTagName('tbody')[0];
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let rows = Array.from(tbody.rows);
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if (rows) {
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rows.sort(sort);
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if (order === 'sorting_asc') {
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rows.reverse();
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}
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toggle();
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tbody.innerHtml = '';
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rows.forEach(row => {
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tbody.appendChild(row);
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});
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}
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}
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};
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return {
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init: () => {
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let ths = document.getElementsByTagName('th');
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let results = [];
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for (let i = 0, len = ths.length; i < len; i++) {
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let th = ths[i];
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th.classList.add('sorting');
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results.push(th.onclick = onClickEvent);
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}
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return results;
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}
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};
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})();
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LightTableSorter.init(); |