create new folder from File listview

frappe/core/doctype/file/file.py

@@ -183,3 +183,12 @@ def get_breadcrumbs(folder):
 	lft, rgt = frappe.db.get_value("File", folder, ["lft", "rgt"])
 	return frappe.db.sql("""select name, file_name from tabFile
 		where lft < %s and rgt > %s order by lft asc""", (lft, rgt), as_dict=1)
+
+@frappe.whitelist()
+def create_new_folder(file_name, folder):
+	""" create new folder under current parent folder """
+	file = frappe.new_doc("File")
+	file.file_name = file_name
+	file.is_folder = 1
+	file.folder = folder
+	file.insert()

frappe/core/doctype/file/file_list.js

@@ -28,6 +28,24 @@ frappe.listview_settings['File'] = {
 		doclist.filter_area = doclist.wrapper.find(".show_filters");
 		doclist.breadcrumb = $('<ol class="breadcrumb for-file-list"></ol>')
 			.insertBefore(doclist.filter_area);
+		doclist.page.add_menu_item(__("Create Folder"), function() {
+			var d = frappe.prompt(__("Name"), function(values) {
+				if((values.value.indexOf("/") > -1)){
+					frappe.throw("Folder name should not include / !!!")
+					return;
+				}
+				var data =  {
+					"file_name": values.value,
+					"folder":doclist.current_folder
+				};
+				frappe.call({
+						method:"frappe.core.doctype.file.file.create_new_folder",
+						args: data,
+						callback:function(r){
+					}
+				})
+			}, __('Enter folder name'), __("Create"));
+		});
 	},
 	before_run: function(doclist) {
 		var name_filter = doclist.filter_list.get_filter("file_name");

frappe/model/rename_doc.py

@@ -66,8 +66,9 @@ def rename_doc(doctype, old, new, force=False, merge=False, ignore_permissions=F
 
 def update_attachments(doctype, old, new):
 	try:
-		frappe.db.sql("""update `tabFile` set attached_to_name=%s
-			where attached_to_name=%s and attached_to_doctype=%s""", (new, old, doctype))
+		if old != "File Data" and doctype != "DocType":
+			frappe.db.sql("""update `tabFile` set attached_to_name=%s
+				where attached_to_name=%s and attached_to_doctype=%s""", (new, old, doctype))
 	except Exception, e:
 		if e.args[0]!=1054: # in patch?
 			raise