tablesorter/js/widgets/widget-staticRow.js

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/*
* StaticRow widget for jQuery TableSorter 2.0
2014-04-22 14:39:57 +00:00
* Version 1.1 - modified by Rob Garrison (4/22/2014 for tablesorter v2.16.1-beta)
* Requires:
* jQuery v1.4+
* tablesorter plugin, v2.8+, available at http://mottie.github.com/tablesorter/docs/
*
* Copyright (c) 2011 Nils Luxton
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
*/
/*jshint browser:true, jquery:true, unused:false */
/*global jQuery: false */
;(function($){
"use strict";
var ts = $.tablesorter,
// events triggered on the table that update this widget
events = 'staticRowsRefresh updateComplete '.split(' ').join('.tsstaticrows '),
// add/refresh row indexes
addIndexes = function(table){
var $tr, wo, v, indx, rows,
c = table.config;
// "Index" the static rows, saving their current (starting) position in the
// table inside a data() param on the <tr> element itself for later use.
if (c) {
wo = c.widgetOptions;
c.$tbodies.each(function(){
$tr = $(this).children();
rows = $tr.length;
$tr.filter(wo.staticRow_class).each(function() {
$tr = $(this);
indx = $tr.data(wo.staticRow_index);
if (typeof indx !== "undefined") {
v = parseFloat(indx);
// percentage of total rows
indx = (/%/.test(indx)) ? Math.round(v/100 * rows) : v;
} else {
indx = $tr.index();
}
// row indexing starts over within each tbody
$tr.data( wo.staticRow_data, indx );
});
});
}
};
ts.addWidget({
// Give the new Widget an ID to be used in the tablesorter() call, as follows:
// $('#myElement').tablesorter({ widgets: ['zebra', 'staticRow'] });
id: 'staticRow',
options: {
staticRow_class : '.static',
staticRow_data : 'static-index',
staticRow_index : 'row-index'
},
init: function(table, thisWidget, c, wo){
addIndexes(table);
// refresh static rows after updates
c.$table
.unbind(events)
.bind(events, function(){
addIndexes(table);
c.$table.trigger('applyWidgets');
});
},
format: function(table, c, wo) {
// Loop thru static rows, moving them to their original "indexed" position,
// & repeat until no more re-shuffling is needed
var targetIndex, $thisRow, indx, numRows, $tbody, hasShuffled, $rows, max;
c.$tbodies.each(function(){
$tbody = $(this);
hasShuffled = true;
indx = 0;
$rows = $tbody.children(wo.staticRow_class);
numRows = $tbody.children('tr').length - 1;
max = $rows.length;
// don't allow the while loop to cycle more times than the set number of static rows
while (hasShuffled && indx < max) {
hasShuffled = false;
/*jshint loopfunc:true */
$rows.each(function() {
targetIndex = $(this).data(wo.staticRow_data);
// allow setting target index >> num rows to always make a row last
targetIndex = targetIndex >= numRows ? numRows : targetIndex < 0 ? 0 : targetIndex;
if (targetIndex !== $(this).index()) {
hasShuffled = true;
$thisRow = $(this).detach();
if (targetIndex >= numRows) {
// Are we trying to be the last row?
$thisRow.appendTo( $tbody );
} else if (targetIndex === 0) {
// Are we trying to be the first row?
$thisRow.prependTo( $tbody );
} else {
// No, we want to be somewhere in the middle!
$thisRow.insertBefore( $tbody.find('tr:eq(' + targetIndex + ')') );
}
}
});
indx++;
}
});
c.$table.trigger('staticRowsComplete', table);
},
remove : function(table, c, wo){
c.$table.unbind(events);
}
});
})(jQuery);