/*
 * @package pwFilter
 * @description pwFilter - pixawebFilter - filters a set of elements based on the title element text
 * @author Jared Clarke <[email protected]>
 * @copyright 2010 (c) Jared Clarke @ Pixaweb.co.uk
 * @version 0.1
 */
(function($) {
    $.fn.pwFilter = function(options) {
 
        var opts = $.extend({}, $.fn.pwFilter.defaults, options);
 
        return this.each( function() {
 
            var _filter = $(this);
 
            var _items = $(opts.items);
 
            _filter.bind("keyup", function() {
 
                var _value = _filter.val();
 
                if(_value.length == 0 || _value == _filter.defaultValue) {
 
                    _items.fadeIn(opts.duration);
 
                    return _filter;
 
                }
 
                _items.each( function(i, el) {
 
                    var _item = $(el);
 
                    var _title = opts.attr == "text" ? _item.find(opts.item).text() : _item.find(opts.item).attr(opts.attr) ;
 
                    if(_title.match(new RegExp(_value, "gi")) == null) {
 
                        _item.fadeOut(opts.duration);
 
                    } else {
 
                        if(_item.is(':hidden'))
                            _item.fadeIn(opts.duration);
 
                    }
                });
            });
 
            return _filter;
 
        });
    };
 
    $.fn.pwFilter.defaults = {
        items       : '', // items
        item        : '', // filter target
        attr        : '', // attribute
        duration    : 500 // duration of fade
    };
 
})(jQuery);