// HIDE MAX LIST ITEMS JQUERY PLUGIN
// Author: www.joshuawinn.com
// Usage: Open Source
(function($){
    $.fn.extend({
        hideMaxListItems: function(options)
        {
            // DEFAULT VALUES
            var defaults = {
                max: 3,
                speed: 1000,
                moreHTML:'<p class="maxlist-more"><a href="javascript:void(0)">More...</a></p>'
            };
            var options =  $.extend(defaults, options);
            var goingUp = 0;

            // FOR EACH MATCHED ELEMENT
            return this.each(function() {
                var op = options;
                var totalListItems = $(this).children("li").length;
                var speedPerLI;

                // Get animation speed per LI; Divide the total speed by num of LIs.
                // Avoid dividing by 0 and make it at least 1 for small numbers.
                if ( totalListItems > 0 ) {
                    speedPerLI = Math.round( op.speed / totalListItems );
                    if ( speedPerLI < 1 ) { speedPerLI = 1; }
                } else {
                    speedPerLI = 0;
                }

                // If list has more than the "max" option
                if ( (totalListItems > 0) && (totalListItems > op.max) )
                {
                    // Initial Page Load: Hide each LI element over the max
                    $(this).children("li").each(function(index) {
                        if ( (index+1) > op.max ) {
                            $(this).hide(0);
                            $(this).addClass('maxlist-hidden');
                        }
                    });
                    // Add "Read More" button
                    $(this).after(op.moreHTML);

                    // Click events on "Read More" button: Slide up and down
                    $(this).next(".maxlist-more").children("a").click(function(){
                        // Get array of children past the maximum option
                        var listElements = $(this).parent().prev("ul, ol").children("li");
                        listElements = listElements.slice(op.max);

                        // Sequentially slideToggle the list items
                        // For more info on this awesome function: http://goo.gl/dW0nM
                        if ( goingUp == 0 ){
                            var i = 0;
                            (function() { $(listElements[i++] || []).slideToggle(speedPerLI,arguments.callee); })();
                            //alert('Expanding...');
                            //console.log($(this));
                            $(this).text("Less...");
                        } else {
                            var i = listElements.length - 1;
                            (function() { $(listElements[i--] || []).slideToggle(speedPerLI,arguments.callee); })();
                            //alert('Collasping...');
                            //console.log($(this));
                            $(this).text("More...");
                        }

                        // Switch directions
                        if (goingUp == 0){goingUp = 1;} else {goingUp = 0;}
                    });
                }
            });
        }
    });
})(jQuery); // End jQuery Plugin