tablesorter/js/widgets/widget-repeatheaders.js

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2013-04-12 22:14:00 +00:00
/*! tablesorter repeatHeaders widget - updated 4/12/2013
* Requires tablesorter v2.8+ and jQuery 1.7+
* Original by Christian Bach from the example-widgets.html demo
*/
/*global jQuery: false */
;(function($){
"use strict";
$.tablesorter.addWidget({
id: "repeatHeaders",
priority: 10,
options: {
rowsToSkip : 4
},
// format is called on init and when a sorting has finished
format: function(table, c, wo) {
var h = '', i, $tr, l, skip;
// cache and collect all TH headers
if (!wo.repeatHeaders) {
h = '<tr class="repeated-header remove-me">';
$.each(c.headerContent, function(i,t) {
h += '<th>' + t + '</th>';
});
// "remove-me" class was added in case the table needs to be updated, the "remove-me" rows will be
// removed prior to the update to prevent including the rows in the update - see "selectorRemove" option
wo.repeatHeaders = h + '</tr>';
}
// number of rows to skip
skip = wo && wo.rowsToSkip || 4;
// remove appended headers by classname
c.$table.find("tr.repeated-header").remove();
$tr = c.$tbodies.find('tr');
l = $tr.length;
// loop all tr elements and insert a copy of the "headers"
for (i = skip; i < l; i += skip) {
// insert a copy of the table head every X rows
$tr.eq(i).before(wo.repeatHeaders);
}
},
// this remove function is called when using the refreshWidgets method or when destroying the tablesorter plugin
// this function only applies to tablesorter v2.4+
remove: function(table, c){
c.$table.find("tr.repeated-header").remove();
}
});
})(jQuery);