tablesorter/js/widgets/widget-grouping.js
2013-03-26 16:08:44 -05:00

114 lines
4.3 KiB
JavaScript

/*! tablesorter Grouping widget - updated 3/18/2013
* Requires tablesorter v2.8+ and jQuery 1.7+
* by Rob Garrison
*/
/*global jQuery: false */
;(function($){
"use strict";
$.tablesorter.addWidget({
id: 'group',
options: {
group_collapsible : true, // make the group header clickable and collapse the rows below it.
group_count : ' ({num})', // if not false, the "{num}" string is replaced with the number of rows in the group
// change these default date names based on your language preferences
group_months : [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ],
group_week : [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ],
group_time : [ 'AM', 'PM' ],
group_formatter : null // function(curr, col, table, c, wo) { return curr; }
},
init: function(table, thisWidget, c, wo){
if (wo.group_collapsible) {
// .on() requires jQuery 1.7+
c.$table.on('click', 'tr.group-header', function(){
$(this).toggleClass('collapsed');
// nextUntil requires jQuery 1.4+
$(this).nextUntil('tr.group-header').toggleClass('group-hidden', $(this).hasClass('collapsed') );
});
}
},
format: function(table, c, wo) {
var j, k, curr, $tr, g, t, t2, time,
group = '',
col = c.sortList[0] ? c.sortList[0][0] : -1,
groupBy = {
number : function($col, txt, num){
if (num > 1 && txt !== '') {
if ($col.hasClass(c.cssAsc)) {
t = Math.floor(parseFloat(txt)/num) * num;
return t > parseFloat(group || 0) ? t : parseFloat(group || 0);
} else {
t = Math.ceil(parseFloat(txt)/num) * num;
return t < parseFloat(group || num) - t ? parseFloat(group || num) - t : t;
}
} else {
var w = (txt + '').match(/\d+/g);
return w && w.length >= num ? w[num - 1] : txt || '';
}
},
word : function($col, txt, num){
var w = (txt + ' ').match(/\w+/g);
return w && w.length >= num ? w[num - 1] : txt || '';
},
letter : function($col, txt, num){
return txt ? (txt + ' ').substring(0, num) : '';
},
date : function($col, txt, part){
t = new Date(txt || '');
t2 = t.getHours();
return part === 'year' ? t.getFullYear() :
part === 'month' ? wo.group_months[t.getMonth()] :
part === 'day' ? wo.group_months[t.getMonth()] + ' ' + t.getDate() :
part === 'week' ? wo.group_week[t.getDay()] :
part === 'time' ? ('00' + (t2 > 12 ? t2 - 12 : t2 === 0 ? t2 + 12 : t2)).slice(-2) + ':' + ('00' + t.getMinutes()).slice(-2) + ' ' +
('00' + wo.group_time[t2 >= 12 ? 1 : 0]).slice(-2) :
t.toString();
}
};
c.$table
.find('tr.group-hidden').removeClass('group-hidden').end()
.find('tr.group-header').remove();
if (col >= 0) {
if (c.debug){ time = new Date(); }
for (k = 0; k < c.$tbodies.length; k++) {
$tr = c.$tbodies.children('tr');
for (j = 0; j < $tr.length; j++) {
t = (c.$headers.eq(col).attr('class') || '').match(/(group-\w+(-\w+)?)/g);
// group-{type}-{number/date}
t2 = t ? t[0].split('-') : ['','letter',1]; // default to letter 1
curr = groupBy[t2[1]]( c.$headers.eq(col), c.cache[k].normalized[j][col], /date/.test(t) ? t2[2] : parseInt(t2[2] || 1, 10) || 1 );
if (group !== curr) {
group = curr;
// show range if number > 1
if (t2[1] === 'number' && t2[2] > 1 && curr !== '') {
curr += ' - ' + (parseInt(curr, 10) + ((parseInt(t2[2],10) - 1) * (c.$headers.eq(col).hasClass(c.cssAsc) ? 1 : -1)));
}
if ($.isFunction(wo.group_formatter)) {
curr = wo.group_formatter((curr || '').toString(), col, table, c, wo) || curr;
}
$tr.eq(j).before('<tr class="group-header ' + c.selectorRemove.slice(1) + '"><td colspan="' + (c.columns+1) + '">' +
(wo.group_collapsible ? '<i/>' : '') + '<span class="group-name">' + curr + '</span><span class="group-count"></span></td></tr>');
}
}
}
if (wo.group_count) {
c.$table.find('tr.group-header').each(function(){
$(this).find('.group-count').html( wo.group_count.replace(/\{num\}/g, $(this).nextUntil('tr.group-header').length) );
});
}
if (c.debug) {
$.tablesorter.benchmark("Applying groups widget: ", time);
}
}
},
remove : function(table, c, wo){
c.$table
.off('click', 'tr.group-header')
.find('.group-hidden').removeClass('group-hidden').end()
.find('tr.group-header').remove();
}
});
})(jQuery);