1 files changed, 37 insertions, 0 deletions
diff --git a/mod/pages/vendors/jquery-treeview/jquery.treeview.edit.js b/mod/pages/vendors/jquery-treeview/jquery.treeview.edit.js
new file mode 100644
index 000000000..f3c580b3f
--- /dev/null
+++ b/mod/pages/vendors/jquery-treeview/jquery.treeview.edit.js
@@ -0,0 +1,37 @@
+(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);
+\ No newline at end of file