Merge pull request #3710 from neilLasrado/stock-report

Opening Balance row added to Stock Ledger Report
diff --git a/erpnext/accounts/report/accounts_payable/accounts_payable.json b/erpnext/accounts/report/accounts_payable/accounts_payable.json
index 71537a8..9be8d68 100644
--- a/erpnext/accounts/report/accounts_payable/accounts_payable.json
+++ b/erpnext/accounts/report/accounts_payable/accounts_payable.json
@@ -6,12 +6,12 @@
  "doctype": "Report", 
  "idx": 1, 
  "is_standard": "Yes", 
- "modified": "2014-06-03 07:18:10.985354", 
+ "modified": "2015-07-23 01:08:20.996267", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Accounts Payable", 
  "owner": "Administrator", 
  "ref_doctype": "Purchase Invoice", 
  "report_name": "Accounts Payable", 
- "report_type": "Report Builder"
+ "report_type": "Query Report"
 }
\ No newline at end of file
diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index 58b1adb..3bd5657 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -86,8 +86,12 @@
 	},
 	
 	manage_variants: function(frm) {
-		frappe.route_options = {"item_code": frm.doc.name };
-		frappe.set_route("List", "Manage Variants");
+		if (cur_frm.doc.__unsaved==1) {
+			frappe.throw(__("You have unsaved changes. Please save."))
+		} else {
+			frappe.route_options = {"item_code": frm.doc.name };
+			frappe.set_route("List", "Manage Variants");
+		}
 	}
 });
 
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index a2e0ade..d3d8e9c 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -325,7 +325,8 @@
 			for d in variants:
 				update_variant(self.name, d)
 				updated.append(d.item_code)
-			frappe.msgprint(_("Item Variants {0} updated").format(", ".join(updated)))
+			if updated:
+				frappe.msgprint(_("Item Variants {0} updated").format(", ".join(updated)))
 				
 	def validate_has_variants(self):
 		if not self.has_variants and frappe.db.get_value("Item", self.name, "has_variants"):