1/* https://github.com/jzaefferer/jquery-treeview/blob/master/jquery.treeview.edit.js */
 2/* License: MIT. */
 3(function($) {
 4	var CLASSES = $.treeview.classes;
 5	var proxied = $.fn.treeview;
 6	$.fn.treeview = function(settings) {
 7		settings = $.extend({}, settings);
 8		if (settings.add) {
 9			return this.trigger("add", [settings.add]);
10		}
11		if (settings.remove) {
12			return this.trigger("remove", [settings.remove]);
13		}
14		return proxied.apply(this, arguments).bind("add", function(event, branches) {
15			$(branches).prev()
16				.removeClass(CLASSES.last)
17				.removeClass(CLASSES.lastCollapsable)
18				.removeClass(CLASSES.lastExpandable)
19			.find(">.hitarea")
20				.removeClass(CLASSES.lastCollapsableHitarea)
21				.removeClass(CLASSES.lastExpandableHitarea);
22			$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, $(this).data("toggler"));
23		}).bind("remove", function(event, branches) {
24			var prev = $(branches).prev();
25			var parent = $(branches).parent();
26			$(branches).remove();
27			prev.filter(":last-child").addClass(CLASSES.last)
28				.filter("." + CLASSES.expandable).replaceClass(CLASSES.last, CLASSES.lastExpandable).end()
29				.find(">.hitarea").replaceClass(CLASSES.expandableHitarea, CLASSES.lastExpandableHitarea).end()
30				.filter("." + CLASSES.collapsable).replaceClass(CLASSES.last, CLASSES.lastCollapsable).end()
31				.find(">.hitarea").replaceClass(CLASSES.collapsableHitarea, CLASSES.lastCollapsableHitarea);
32			if (parent.is(":not(:has(>))") && parent[0] != this) {
33				parent.parent().removeClass(CLASSES.collapsable).removeClass(CLASSES.expandable)
34				parent.siblings(".hitarea").andSelf().remove();
35			}
36		});
37	};
38	
39})(jQuery);