/*
* 	easyListSplitter 1.0.2 - jQuery Plugin
*	written by Andrea Cima Serniotti	
*	http://www.madeincima.eu
*
*	Copyright (c) 2010 Andrea Cima Serniotti (http://www.madeincima.eu)
*	Dual licensed under the MIT (MIT-LICENSE.txt)
*	and GPL (GPL-LICENSE.txt) licenses.
*
*	Built for jQuery library
*	http://jquery.com
*
*/

/*
To activate the plugin add the following code to your own js file:
	
$('.your-list-class-name').easyListSplitter({ 
colNumber: 3,
direction: 'horizontal'
});
	
*/

var j = 1;

(function (jQuery) {
    jQuery.fn.easyListSplitter = function (options) {

        var defaults = {
            colNumber: 3, // Insert here the number of columns you want. Consider that the plugin will create the number of cols requested only if there are enough items in the list.
            direction: 'vertical'
        };

        this.each(function () {

            var obj = jQuery(this);
            var settings = jQuery.extend(defaults, options);
            var totalListElements = jQuery(this).children('li').size();
            var baseColItems = Math.ceil(totalListElements / settings.colNumber);
            var listClass = jQuery(this).attr('class');

            // -------- Create List Elements given colNumber ------------------------------------------------------------------------------

            for (i = 1; i <= settings.colNumber; i++) {
                if (i == 1) {
                    jQuery(this).addClass('listCol1').wrap('<div class="listContainer' + j + '"></div>');
                } else if (jQuery(this).is('ul')) { // Check whether the list is ordered or unordered
                    jQuery(this).parents('.listContainer' + j).append('<ul class="listCol' + i + '"></ul>');
                } else {
                    jQuery(this).parents('.listContainer' + j).append('<ol class="listCol' + i + '"></ol>');
                }
                jQuery('.listContainer' + j + ' > ul,.listContainer' + j + ' > ol').addClass(listClass);
            }

            var listItem = 0;
            var k = 1;
            var l = 0;

            if (settings.direction == 'vertical') { // -------- Append List Elements to the respective listCol  - Vertical -------------------------------

                jQuery(this).children('li').each(function () {
                    listItem = listItem + 1;
                    if (listItem > baseColItems * (settings.colNumber - 1)) {
                        jQuery(this).parents('.listContainer' + j).find('.listCol' + settings.colNumber).append(this);
                    }
                    else {
                        if (listItem <= (baseColItems * k)) {
                            jQuery(this).parents('.listContainer' + j).find('.listCol' + k).append(this);
                        }
                        else {
                            jQuery(this).parents('.listContainer' + j).find('.listCol' + (k + 1)).append(this);
                            k = k + 1;
                        }
                    }
                });

                jQuery('.listContainer' + j).find('ol,ul').each(function () {
                    if (jQuery(this).children().size() == 0) {
                        jQuery(this).remove();
                    }
                });

            } else {  // -------- Append List Elements to the respective listCol  - Horizontal ----------------------------------------------------------

                jQuery(this).children('li').each(function () {
                    l = l + 1;

                    if (l <= settings.colNumber) {
                        jQuery(this).parents('.listContainer' + j).find('.listCol' + l).append(this);

                    } else {
                        l = 1;
                        jQuery(this).parents('.listContainer' + j).find('.listCol' + l).append(this);
                    }
                });
            }

            jQuery('.listContainer' + j).find('ol:last,ul:last').addClass('last'); // Set class last on the last UL or OL	
            j = j + 1;

        });
    };
})(jQuery);