+
−(function($) {
+
−	var CLASSES = $.treeview.classes;
+
−	var proxied = $.fn.treeview;
+
−	$.fn.treeview = function(settings) {
+
−		settings = $.extend({}, settings);
+
−		if (settings.add) {
+
−			return this.trigger("add", [settings.add]);
+
−		}
+
−		if (settings.remove) {
+
−			return this.trigger("remove", [settings.remove]);
+
−		}
+
−		return proxied.apply(this, arguments).bind("add", function(event, branches) {
+
−			$(branches).prev()
+
−				.removeClass(CLASSES.last)
+
−				.removeClass(CLASSES.lastCollapsable)
+
−				.removeClass(CLASSES.lastExpandable)
+
−			.find(">.hitarea")
+
−				.removeClass(CLASSES.lastCollapsableHitarea)
+
−				.removeClass(CLASSES.lastExpandableHitarea);
+
−			$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, $(this).data("toggler"));
+
−		}).bind("remove", function(event, branches) {
+
−			var prev = $(branches).prev();
+
−			var parent = $(branches).parent();
+
−			$(branches).remove();
+
−			prev.filter(":last-child").addClass(CLASSES.last)
+
−				.filter("." + CLASSES.expandable).replaceClass(CLASSES.last, CLASSES.lastExpandable).end()
+
−				.find(">.hitarea").replaceClass(CLASSES.expandableHitarea, CLASSES.lastExpandableHitarea).end()
+
−				.filter("." + CLASSES.collapsable).replaceClass(CLASSES.last, CLASSES.lastCollapsable).end()
+
−				.find(">.hitarea").replaceClass(CLASSES.collapsableHitarea, CLASSES.lastCollapsableHitarea);
+
−			if (parent.is(":not(:has(>))") && parent[0] != this) {
+
−				parent.parent().removeClass(CLASSES.collapsable).removeClass(CLASSES.expandable)
+
−				parent.siblings(".hitarea").andSelf().remove();
+
−			}
+
−		});
+
−	};
+
−
+
−})(jQuery);