var TDD = { rowSelector: 'body > table > tbody > tr', rowHeaderClass: 'tdd-header', findTable: function(element) { var row = element.closest(TDD.rowSelector); var headerRow = row; while (headerRow.length && !headerRow.hasClass(TDD.rowHeaderClass)) { headerRow = headerRow.prev(TDD.rowSelector); } var rows = []; if (headerRow) { rows.push(headerRow[0]); headerRow = headerRow.next(TDD.rowSelector); while (headerRow.length && !headerRow.hasClass(TDD.rowHeaderClass)) { rows.push(headerRow[0]); headerRow = headerRow.next(TDD.rowSelector); } } return $(rows); }, highlightTable: function(elem) { TDD.findTable(elem).addClass('specified'); }, hoverTable: function(ev) { TDD.findTable($(ev.currentTarget)).addClass('hovered'); }, unhoverTable: function(ev) { TDD.findTable($(ev.currentTarget)).removeClass('hovered'); }, switchTable: function(ev) { var header = TDD.findTable($(ev.currentTarget)).find('h4[id]'); location.hash = header.attr('id'); ev.stopPropagation(); }, lastRefererNumber: undefined, detectReferer: function() { var regex = document.referrer.match(/\d+t(\d+)-\d+\.htm/); if (regex) { if (regex[1] != TDD.lastRefererNumber) { TDD.lastRefererNumber = regex[1]; return regex[1]; } } return undefined; }, bindEvents: function() { $('tr').hover(TDD.hoverTable, TDD.unhoverTable); $('tr').click(TDD.switchTable); $(window).on('hashchange', function() { var table = $(location.hash); if (table.length) { $('.specified').removeClass('specified'); TDD.highlightTable(table); } else { var tableNo = TDD.detectReferer(); if (tableNo) { location.hash = '#table-' + tableNo; } else { $('h4[id]').each(function() { TDD.highlightTable($(this)); }); } } }); } }; $(document).ready(function() { TDD.bindEvents(); $(window).trigger('hashchange'); });