Merge pull request #6657 from rohitwaghchaure/invoice_unlink_feature

[Feature] Provision to allow unlink the payment against the invoice
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.json b/erpnext/buying/doctype/purchase_order/purchase_order.json
index 923a3ed..8177b57 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.json
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.json
@@ -9,11 +9,13 @@
  "docstatus": 0, 
  "doctype": "DocType", 
  "document_type": "Document", 
+ "editable_grid": 0, 
  "fields": [
   {
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "supplier_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -39,6 +41,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "default": "{supplier_name}", 
    "fieldname": "title", 
    "fieldtype": "Data", 
@@ -65,6 +68,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "naming_series", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -92,6 +96,7 @@
    "allow_on_submit": 0, 
    "bold": 1, 
    "collapsible": 0, 
+   "columns": 0, 
    "description": "", 
    "fieldname": "supplier", 
    "fieldtype": "Link", 
@@ -120,6 +125,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.supplier && doc.docstatus===0 && (!(doc.items && doc.items.length) || (doc.items.length==1 && !doc.items[0].item_code))", 
    "fieldname": "get_items_from_open_material_requests", 
    "fieldtype": "Button", 
@@ -146,6 +152,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "default": "No", 
    "fieldname": "is_subcontracted", 
    "fieldtype": "Select", 
@@ -172,6 +179,7 @@
    "allow_on_submit": 0, 
    "bold": 1, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "supplier_name", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -196,6 +204,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break1", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -222,6 +231,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "default": "Today", 
    "fieldname": "transaction_date", 
    "fieldtype": "Date", 
@@ -249,6 +259,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "amended_from", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -276,6 +287,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "description": "", 
    "fieldname": "company", 
    "fieldtype": "Link", 
@@ -305,6 +317,7 @@
    "bold": 0, 
    "collapsible": 0, 
    "collapsible_depends_on": "", 
+   "columns": 0, 
    "fieldname": "drop_ship", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -330,6 +343,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "", 
    "fieldname": "customer", 
    "fieldtype": "Link", 
@@ -357,6 +371,7 @@
    "allow_on_submit": 0, 
    "bold": 1, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "", 
    "fieldname": "customer_name", 
    "fieldtype": "Data", 
@@ -383,6 +398,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break_19", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -407,6 +423,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "", 
    "fieldname": "customer_contact_person", 
    "fieldtype": "Link", 
@@ -434,6 +451,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "customer_contact_display", 
    "fieldtype": "Small Text", 
    "hidden": 1, 
@@ -459,6 +477,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "customer_contact_mobile", 
    "fieldtype": "Small Text", 
    "hidden": 1, 
@@ -484,6 +503,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "customer_contact_email", 
    "fieldtype": "Code", 
    "hidden": 1, 
@@ -510,6 +530,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 1, 
+   "columns": 0, 
    "fieldname": "section_addresses", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -535,6 +556,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "supplier_address", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -560,6 +582,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "contact_person", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -585,6 +608,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "", 
    "fieldname": "address_display", 
    "fieldtype": "Small Text", 
@@ -610,6 +634,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "contact_display", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -634,6 +659,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "contact_mobile", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -658,6 +684,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "contact_email", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -682,6 +709,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "col_break_address", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -706,6 +734,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "", 
    "fieldname": "shipping_address", 
    "fieldtype": "Link", 
@@ -733,6 +762,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "shipping_address_display", 
    "fieldtype": "Small Text", 
    "hidden": 0, 
@@ -758,6 +788,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 1, 
+   "columns": 0, 
    "fieldname": "currency_and_price_list", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -783,6 +814,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "currency", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -810,6 +842,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "description": "", 
    "fieldname": "conversion_rate", 
    "fieldtype": "Float", 
@@ -838,6 +871,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "cb_price_list", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -861,6 +895,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "buying_price_list", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -886,6 +921,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "price_list_currency", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -911,6 +947,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "plc_conversion_rate", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -936,6 +973,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "ignore_pricing_rule", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -960,6 +998,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "items_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -986,6 +1025,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "items", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -1013,6 +1053,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.docstatus===0 && (doc.items && doc.items.length)", 
    "fieldname": "get_last_purchase_rate", 
    "fieldtype": "Button", 
@@ -1039,6 +1080,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "sb_last_purchase", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1062,6 +1104,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1088,6 +1131,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_net_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1115,6 +1159,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break_26", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1138,6 +1183,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1164,6 +1210,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "net_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1191,6 +1238,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "taxes_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1217,6 +1265,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "description": "", 
    "fieldname": "taxes_and_charges", 
    "fieldtype": "Link", 
@@ -1245,6 +1294,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "taxes", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -1272,6 +1322,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "other_charges_calculation", 
    "fieldtype": "HTML", 
    "hidden": 0, 
@@ -1297,6 +1348,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "totals", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1323,6 +1375,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_taxes_and_charges_added", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1350,6 +1403,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_taxes_and_charges_deducted", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1377,6 +1431,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_total_taxes_and_charges", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1404,6 +1459,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break_39", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1428,6 +1484,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "taxes_and_charges_added", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1455,6 +1512,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "taxes_and_charges_deducted", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1482,6 +1540,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "total_taxes_and_charges", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1509,6 +1568,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "collapsible_depends_on": "discount_amount", 
+   "columns": 0, 
    "fieldname": "discount_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1534,6 +1594,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "default": "Grand Total", 
    "fieldname": "apply_discount_on", 
    "fieldtype": "Select", 
@@ -1561,6 +1622,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_discount_amount", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1587,6 +1649,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break_45", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1611,6 +1674,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "additional_discount_percentage", 
    "fieldtype": "Float", 
    "hidden": 0, 
@@ -1636,6 +1700,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "discount_amount", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1662,6 +1727,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "totals_section", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1686,6 +1752,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_grand_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1713,6 +1780,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "description": "In Words will be visible once you save the Purchase Order.", 
    "fieldname": "base_in_words", 
    "fieldtype": "Data", 
@@ -1740,6 +1808,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "base_rounded_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1767,6 +1836,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break4", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -1791,6 +1861,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "grand_total", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1818,6 +1889,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "in_words", 
    "fieldtype": "Data", 
    "hidden": 0, 
@@ -1844,6 +1916,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "advance_paid", 
    "fieldtype": "Currency", 
    "hidden": 0, 
@@ -1870,6 +1943,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "collapsible_depends_on": "terms", 
+   "columns": 0, 
    "fieldname": "terms_section_break", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1896,6 +1970,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "tc_name", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -1923,6 +1998,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "terms", 
    "fieldtype": "Text Editor", 
    "hidden": 0, 
@@ -1949,6 +2025,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 1, 
+   "columns": 0, 
    "fieldname": "more_info", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -1974,6 +2051,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "default": "Draft", 
    "fieldname": "status", 
    "fieldtype": "Select", 
@@ -2002,6 +2080,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "ref_sq", 
    "fieldtype": "Data", 
    "hidden": 1, 
@@ -2028,6 +2107,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "party_account_currency", 
    "fieldtype": "Link", 
    "hidden": 1, 
@@ -2054,6 +2134,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break_74", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2078,6 +2159,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:!doc.__islocal", 
    "description": "", 
    "fieldname": "per_received", 
@@ -2106,6 +2188,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:!doc.__islocal", 
    "description": "", 
    "fieldname": "per_billed", 
@@ -2134,6 +2217,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 1, 
+   "columns": 0, 
    "fieldname": "column_break5", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2161,6 +2245,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "letter_head", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2188,6 +2273,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "select_print_heading", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -2215,6 +2301,59 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
+   "fieldname": "column_break_86", 
+   "fieldtype": "Column Break", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_on_submit": 1, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "description": "", 
+   "fieldname": "group_same_items", 
+   "fieldtype": "Check", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "label": "Group same items", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
    "default": "", 
    "fieldname": "language", 
    "fieldtype": "Data", 
@@ -2243,6 +2382,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "collapsible_depends_on": "supplied_items", 
+   "columns": 0, 
    "description": "", 
    "fieldname": "raw_material_details", 
    "fieldtype": "Section Break", 
@@ -2270,6 +2410,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "supplied_items", 
    "fieldtype": "Table", 
    "hidden": 0, 
@@ -2298,6 +2439,7 @@
    "bold": 0, 
    "collapsible": 1, 
    "collapsible_depends_on": "is_recurring", 
+   "columns": 0, 
    "fieldname": "recurring_order", 
    "fieldtype": "Section Break", 
    "hidden": 0, 
@@ -2323,6 +2465,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2347,6 +2490,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.docstatus<2", 
    "description": "", 
    "fieldname": "is_recurring", 
@@ -2373,6 +2517,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "is_recurring", 
    "description": "", 
    "fieldname": "recurring_id", 
@@ -2400,6 +2545,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.recurring_id === doc.name", 
    "description": "", 
    "fieldname": "recurring_type", 
@@ -2427,6 +2573,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.recurring_id === doc.name", 
    "description": "", 
    "fieldname": "repeat_on_day_of_month", 
@@ -2453,6 +2600,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.recurring_id === doc.name", 
    "description": "", 
    "fieldname": "end_date", 
@@ -2479,6 +2627,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.recurring_id === doc.name", 
    "fieldname": "submit_on_creation", 
    "fieldtype": "Check", 
@@ -2505,6 +2654,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.recurring_id === doc.name", 
    "description": "", 
    "fieldname": "notify_by_email", 
@@ -2532,6 +2682,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.notify_by_email && doc.recurring_id === doc.name", 
    "description": "", 
    "fieldname": "notification_email_address", 
@@ -2559,6 +2710,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "eval:doc.is_recurring && doc.notify_by_email && doc.recurring_id === doc.name", 
    "fieldname": "recurring_print_format", 
    "fieldtype": "Link", 
@@ -2586,6 +2738,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "column_break83", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -2610,6 +2763,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "is_recurring", 
    "description": "", 
    "fieldname": "from_date", 
@@ -2636,6 +2790,7 @@
    "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "is_recurring", 
    "description": "", 
    "fieldname": "to_date", 
@@ -2662,6 +2817,7 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0, 
    "depends_on": "is_recurring", 
    "description": "", 
    "fieldname": "next_date", 
@@ -2696,7 +2852,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2016-07-07 11:32:05.248626", 
+ "modified": "2016-10-20 03:07:24.683178", 
  "modified_by": "Administrator", 
  "module": "Buying", 
  "name": "Purchase Order", 
@@ -2712,6 +2868,7 @@
    "export": 0, 
    "if_owner": 0, 
    "import": 0, 
+   "is_custom": 0, 
    "permlevel": 0, 
    "print": 0, 
    "read": 1, 
@@ -2732,6 +2889,7 @@
    "export": 0, 
    "if_owner": 0, 
    "import": 0, 
+   "is_custom": 0, 
    "permlevel": 0, 
    "print": 1, 
    "read": 1, 
@@ -2752,6 +2910,7 @@
    "export": 0, 
    "if_owner": 0, 
    "import": 0, 
+   "is_custom": 0, 
    "permlevel": 0, 
    "print": 1, 
    "read": 1, 
@@ -2772,6 +2931,7 @@
    "export": 0, 
    "if_owner": 0, 
    "import": 0, 
+   "is_custom": 0, 
    "permlevel": 1, 
    "print": 0, 
    "read": 1, 
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 3230cd0..54ca07b 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -155,6 +155,30 @@
 		if date_diff and date_diff[0][0]:
 			msgprint(_("{0} {1} has been modified. Please refresh.").format(self.doctype, self.name),
 				raise_exception=True)
+				
+	def before_print(self):
+		if self.get("group_same_items"):
+			
+			group_item_qty = {}
+			group_item_amount = {}
+
+			for item in self.items:
+				group_item_qty[item.item_code] = group_item_qty.get(item.item_code, 0) + item.qty
+				group_item_amount[item.item_code] = group_item_amount.get(item.item_code, 0) + item.amount
+				
+			duplicate_list = []
+			
+			for item in self.items:
+				if item.item_code in group_item_qty:
+					item.qty = group_item_qty[item.item_code]
+					item.amount = group_item_amount[item.item_code]
+					del group_item_qty[item.item_code]
+				else:
+					duplicate_list.append(item)
+					
+			for item in duplicate_list:
+				self.remove(item)
+				
 
 	def update_status(self, status):
 		self.check_modified_date()
diff --git a/erpnext/buying/doctype/purchase_order/test_purchase_order.py b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
index c24bcdc..d4a0d07 100644
--- a/erpnext/buying/doctype/purchase_order/test_purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
@@ -110,6 +110,37 @@
 		po.update_status("Closed")
 
 		self.assertEquals(get_ordered_qty(item_code="_Test Item", warehouse="_Test Warehouse - _TC"), existing_ordered_qty)
+		
+	def test_group_same_items(self):
+		frappe.get_doc({
+			"doctype": "Purchase Order",
+			"company": "_Test Company",
+			"supplier" : "_Test Supplier",
+			"is_subcontracted" : "No",
+			"currency" : frappe.db.get_value("Company", "_Test Company", "default_currency"),
+			"conversion_factor" : 1,
+			"items" : get_same_items(),
+			"group_same_items": 1
+		}).insert()
+
+		
+def get_same_items():	
+	return [
+				{
+					"item_code": "_Test FG Item",
+					"warehouse": "_Test Warehouse - _TC",
+					"qty": 1,
+					"rate": 500,
+					"schedule_date": add_days(nowdate(), 1)
+				},
+				{
+					"item_code": "_Test FG Item",
+					"warehouse": "_Test Warehouse - _TC",
+					"qty": 4,
+					"rate": 500,
+					"schedule_date": add_days(nowdate(), 1)
+				}
+			]		
 
 def create_purchase_order(**args):
 	po = frappe.new_doc("Purchase Order")