/* global $ */
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/* this is an example for validation and change events */
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$.fn.numericInputExample = function () {
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'use strict';
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var element = $(this),
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footer = element.find('tfoot tr'),
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dataRows = element.find('tbody tr'),
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initialTotal = function () {
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var column, total;
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for (column = 1; column < footer.children().size(); column++) {
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total = 0;
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dataRows.each(function () {
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var row = $(this);
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total += parseFloat(row.children().eq(column).text());
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});
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footer.children().eq(column).text(total);
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};
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};
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element.find('td').on('change', function (evt) {
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var cell = $(this),
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column = cell.index(),
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total = 0;
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if (column === 0) {
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return;
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}
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element.find('tbody tr').each(function () {
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var row = $(this);
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total += parseFloat(row.children().eq(column).text());
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});
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if (column === 1 && total > 5000) {
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$('.alert').show();
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return false; // changes can be rejected
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} else {
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$('.alert').hide();
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footer.children().eq(column).text(total);
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}
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}).on('validate', function (evt, value) {
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var cell = $(this),
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column = cell.index();
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if (column === 0) {
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return !!value && value.trim().length > 0;
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} else {
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return !isNaN(parseFloat(value)) && isFinite(value);
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}
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});
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initialTotal();
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return this;
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};
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