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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;
},
detectTable: function(hash) {
var regex = hash.match(/^#table-(\d+)$/);
if (regex) {
if (regex[1] === '0') {
return $(hash);
}
var links = $('a.b');
for (var link in links) {
link = $(links[link]);
var linkText = link.text().trim();
if (linkText === regex[1]) {
return link.closest('tr').prevAll('.' + TDD.rowHeaderClass + ':first').find('h4[id]');
}
}
}
return [];
},
bindEvents: function() {
$('tr').hover(TDD.hoverTable, TDD.unhoverTable);
$('tr').click(TDD.switchTable);
$(window).on('hashchange', function() {
var table = TDD.detectTable(location.hash);
if (table.length) {
if (location.hash != '#' + $(table).attr('id')) {
location.hash = '#' + $(table).attr('id');
}
$('.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');
});
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