stock level report
diff --git a/public/js/stock_analytics.js b/public/js/stock_analytics.js
index 35b3f56..53641ce 100644
--- a/public/js/stock_analytics.js
+++ b/public/js/stock_analytics.js
@@ -70,7 +70,7 @@
 		{fieldtype:"Select", label: "Brand", link:"Brand", 
 			default_value: "Select Brand...", filter: function(val, item, opts) {
 				return val == opts.default_value || item.brand == val || item._show;
-			}},
+			}, link_formatter: {filter_input: "brand"}},
 		{fieldtype:"Select", label: "Warehouse", link:"Warehouse", 
 			default_value: "Select Warehouse..."},
 		{fieldtype:"Date", label: "From Date"},
diff --git a/startup/report_data_map.py b/startup/report_data_map.py
index b07ded5..6a7ba42 100644
--- a/startup/report_data_map.py
+++ b/startup/report_data_map.py
@@ -93,13 +93,57 @@
 			"item_code": ["Item", "name"],
 			"warehouse": ["Warehouse", "name"]
 		},
-		"force_index": "posting_sort_index"		
+		"force_index": "posting_sort_index"
 	},
 	"Stock Entry": {
 		"columns": ["name", "purpose"],
 		"conditions": ["docstatus=1"],
 		"order_by": "posting_date, posting_time, name",
 	},
+	"Production Order": {
+		"columns": ["production_item as item_code", 
+			"(ifnull(qty, 0) - ifnull(produced_qty, 0)) as qty", 
+			"fg_warehouse as warehouse"],
+		"conditions": ["docstatus=1", "status != 'Stopped'", "ifnull(fg_warehouse, '')!=''",
+			"ifnull(qty, 0) > ifnull(produced_qty, 0)"],
+		"links": {
+			"item_code": ["Item", "name"],
+			"warehouse": ["Warehouse", "name"]
+		},
+	},
+	"Purchase Request Item": {
+		"columns": ["item_code", "warehouse", 
+			"(ifnull(qty, 0) - ifnull(ordered_qty, 0)) as qty"],
+		"from": "`tabPurchase Request Item` item, `tabPurchase Request` main",
+		"conditions": ["item.parent = main.name", "main.docstatus=1", "main.status != 'Stopped'", 
+			"ifnull(warehouse, '')!=''", "ifnull(qty, 0) > ifnull(ordered_qty, 0)"],
+		"links": {
+			"item_code": ["Item", "name"],
+			"warehouse": ["Warehouse", "name"]
+		},
+	},
+	"Purchase Order Item": {
+		"columns": ["item_code", "warehouse", 
+			"(ifnull(qty, 0) - ifnull(received_qty, 0)) as qty"],
+		"from": "`tabPurchase Order Item` item, `tabPurchase Order` main",
+		"conditions": ["item.parent = main.name", "main.docstatus=1", "main.status != 'Stopped'", 
+			"ifnull(warehouse, '')!=''", "ifnull(qty, 0) > ifnull(received_qty, 0)"],
+		"links": {
+			"item_code": ["Item", "name"],
+			"warehouse": ["Warehouse", "name"]
+		},
+	},
+	"Sales Order Item": {
+		"columns": ["item_code", "(ifnull(qty, 0) - ifnull(delivered_qty, 0)) as qty", 
+			"reserved_warehouse as warehouse"],
+		"from": "`tabSales Order Item` item, `tabSales Order` main",
+		"conditions": ["item.parent = main.name", "main.docstatus=1", "main.status != 'Stopped'", 
+			"ifnull(reserved_warehouse, '')!=''", "ifnull(qty, 0) > ifnull(delivered_qty, 0)"],
+		"links": {
+			"item_code": ["Item", "name"],
+			"warehouse": ["Warehouse", "name"]
+		},
+	},
 
 	# Sales
 	"Customer": {
diff --git a/stock/page/stock_ageing/stock_ageing.js b/stock/page/stock_ageing/stock_ageing.js
index 7809ab9..ea495ce 100644
--- a/stock/page/stock_ageing/stock_ageing.js
+++ b/stock/page/stock_ageing/stock_ageing.js
@@ -63,7 +63,7 @@
 		{fieldtype:"Select", label: "Brand", link:"Brand", 
 			default_value: "Select Brand...", filter: function(val, item, opts) {
 				return val == opts.default_value || item.brand == val;
-			}},
+			}, link_formatter: {filter_input: "brand"}},
 		{fieldtype:"Select", label: "Plot By", 
 			options: ["Average Age", "Earliest", "Latest"]},
 		{fieldtype:"Date", label: "To Date"},
diff --git a/stock/page/stock_balance/stock_balance.js b/stock/page/stock_balance/stock_balance.js
index 3033470..485909c 100644
--- a/stock/page/stock_balance/stock_balance.js
+++ b/stock/page/stock_balance/stock_balance.js
@@ -63,7 +63,7 @@
 		{fieldtype:"Select", label: "Brand", link:"Brand", 
 			default_value: "Select Brand...", filter: function(val, item, opts) {
 				return val == opts.default_value || item.brand == val || item._show;
-			}},
+			}, link_formatter: {filter_input: "brand"}},
 		{fieldtype:"Select", label: "Warehouse", link:"Warehouse", 
 			default_value: "Select Warehouse..."},
 		{fieldtype:"Date", label: "From Date"},
diff --git a/stock/page/stock_ledger/stock_ledger.js b/stock/page/stock_ledger/stock_ledger.js
index e0cfd02..97d6417 100644
--- a/stock/page/stock_ledger/stock_ledger.js
+++ b/stock/page/stock_ledger/stock_ledger.js
@@ -86,7 +86,7 @@
 		{fieldtype:"Select", label: "Brand", link:"Brand", 
 			default_value: "Select Brand...", filter: function(val, item, opts) {
 				return val == opts.default_value || item.brand == val || item._show;
-			}},
+			}, link_formatter: {filter_input: "brand"}},
 		{fieldtype:"Data", label: "Voucher No",
 			filter: function(val, item, opts) {
 				if(!val) return true;
diff --git a/stock/page/stock_level/__init__.py b/stock/page/stock_level/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/stock/page/stock_level/__init__.py
diff --git a/stock/page/stock_level/stock_level.js b/stock/page/stock_level/stock_level.js
new file mode 100644
index 0000000..b1a2a1a
--- /dev/null
+++ b/stock/page/stock_level/stock_level.js
@@ -0,0 +1,206 @@
+// ERPNext - web based ERP (http://erpnext.com)
+// Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+wn.pages['stock-level'].onload = function(wrapper) { 
+	wn.ui.make_app_page({
+		parent: wrapper,
+		title: 'Stock Level',
+		single_column: true
+	});
+	
+	new erpnext.StockLevel(wrapper);
+
+	wrapper.appframe.add_home_breadcrumb()
+	wrapper.appframe.add_module_breadcrumb("Stock")
+	wrapper.appframe.add_breadcrumb("icon-bar-chart")
+}
+
+wn.require("app/js/stock_grid_report.js");
+
+erpnext.StockLevel = erpnext.StockGridReport.extend({
+	init: function(wrapper) {
+		this._super({
+			title: "Stock Level",
+			page: wrapper,
+			parent: $(wrapper).find('.layout-main'),
+			appframe: wrapper.appframe,
+			doctypes: ["Item", "Warehouse", "Stock Ledger Entry", "Production Order", 
+				"Purchase Request Item", "Purchase Order Item", "Sales Order Item", "Brand"],
+		})
+	},
+	
+	setup_columns: function() {
+		this.columns = [
+			{id: "item_code", name: "Item Code", field: "item_code", width: 160, 	
+				link_formatter: {
+					filter_input: "item_code",
+					open_btn: true,
+					doctype: '"Item"',
+				}},
+			{id: "warehouse", name: "Warehouse", field: "warehouse", width: 100,
+				link_formatter: {filter_input: "warehouse"}},
+			{id: "actual_qty", name: "Actual Qty", 
+				field: "actual_qty", width: 80, formatter: this.currency_formatter},
+			{id: "planned_qty", name: "Planned Qty", 
+				field: "planned_qty", width: 80, formatter: this.currency_formatter},
+			{id: "requested_qty", name: "Requested Qty", 
+				field: "requested_qty", width: 80, formatter: this.currency_formatter},
+			{id: "ordered_qty", name: "Ordered Qty", 
+				field: "ordered_qty", width: 80, formatter: this.currency_formatter},
+			{id: "reserved_qty", name: "Reserved Qty", 
+				field: "reserved_qty", width: 80, formatter: this.currency_formatter},
+			{id: "projected_qty", name: "Projected Qty", 
+				field: "projected_qty", width: 80, formatter: this.currency_formatter},
+			{id: "uom", name: "UOM", field: "uom", width: 60},
+			{id: "item_name", name: "Item Name", field: "item_name", width: 100,
+				formatter: this.text_formatter},
+			{id: "brand", name: "Brand", field: "brand", width: 100,
+				link_formatter: {filter_input: "brand"}},
+		];
+	},
+	
+	filters: [
+		{fieldtype:"Select", label: "Item Code", link:"Item", default_value: "Select Item...",
+			filter: function(val, item, opts) {
+				return item.item_code == val || val == opts.default_value;
+			}},
+			
+		{fieldtype:"Select", label: "Warehouse", link:"Warehouse", 
+			default_value: "Select Warehouse...", filter: function(val, item, opts) {
+				return item.warehouse == val || val == opts.default_value;
+			}},
+		
+		{fieldtype:"Select", label: "Brand", link:"Brand", 
+			default_value: "Select Brand...", filter: function(val, item, opts) {
+				return val == opts.default_value || item.brand == val;
+			}},
+		{fieldtype:"Button", label: "Refresh", icon:"icon-refresh icon-white", cssClass:"btn-info"},
+		{fieldtype:"Button", label: "Reset Filters"}
+	],
+	
+	setup_filters: function() {
+		var me = this;
+		this._super();
+		
+		this.wrapper.bind("apply_filters_from_route", function() { me.toggle_enable_brand(); });
+		this.filter_inputs.item_code.change(function() { me.toggle_enable_brand(); });
+		
+		this.trigger_refresh_on_change(["item_code", "warehouse", "brand"]);
+	},
+	
+	toggle_enable_brand: function() {
+		if(this.filter_inputs.item_code.val() ==
+				this.filter_inputs.item_code.get(0).opts.default_value) {
+			this.filter_inputs.brand.removeAttr("disabled");
+		} else {
+			this.filter_inputs.brand
+				.val(this.filter_inputs.brand.get(0).opts.default_value)
+				.attr("disabled", "disabled");
+		}
+	},
+	
+	init_filter_values: function() {
+		this._super();
+		this.filter_inputs.warehouse.get(0).selectedIndex = 0;
+	},
+	
+	prepare_data: function() {
+		var me = this;
+
+		if(!this._data) {
+			this._data = [];
+			this.item_warehouse_map = [];
+			this.item_by_name = this.make_name_map(wn.report_dump.data["Item"]);
+			var sorted_item_list = Object.keys(this.item_by_name).sort();
+			$.each(sorted_item_list, function(i, item_code) {
+				var item = me.item_by_name[item_code];
+				$.each(wn.report_dump.data["Warehouse"], function(i, warehouse) {
+					// a list of item warehouse combination objects
+					var row = {
+						item_code: item_code,
+						warehouse: warehouse.name,
+						brand: item.brand,
+						item_name: item.item_name || item.name,
+						uom: item.stock_uom,
+						id: item_code + ":" + warehouse.name,
+					}
+					me.reset_item_values(row);
+					me._data.push(row);
+					me.item_warehouse_map[row.id] = row;
+				});
+			});
+			this.calculate_quantities();
+			
+			// filter out rows with zero values
+			this._data = $.map(this._data, function(d) {
+				return me.apply_zero_filter(null, d, null, me) ? d : null;
+			});
+		}
+		
+		this.data = [].concat(this._data);
+		this.data = $.map(this.data, function(d) {
+			return me.apply_filters(d) ? d : null;
+		});
+
+		this.calculate_total();
+	},
+	
+	calculate_quantities: function() {
+		var me = this;
+		$.each([
+			["Stock Ledger Entry", "actual_qty"], 
+			["Production Order", "planned_qty"], 
+			["Purchase Request Item", "requested_qty"],
+			["Purchase Order Item", "ordered_qty"],
+			["Sales Order Item", "reserved_qty"]], 
+			function(i, v) {
+				$.each(wn.report_dump.data[v[0]], function(i, item) {
+					var row = me.item_warehouse_map[item.item_code + ":" + item.warehouse];
+					row[v[1]] += flt(item.qty);
+				});
+			}
+		);
+		
+		$.each(this._data, function(i, row) {
+			row.projected_qty = row.actual_qty + row.planned_qty + row.requested_qty
+				+ row.ordered_qty - row.reserved_qty;
+		});
+	},
+	
+	calculate_total: function() {
+		var me = this;
+		// show total if a specific item is selected and warehouse is not filtered
+		if(this.is_default("warehouse") && !this.is_default("item_code")) {
+			var total = {
+				id: "_total",
+				item_code: "Total",
+				_style: "font-weight: bold",
+				_show: true
+			};
+			this.reset_item_values(total);
+			
+			$.each(this.data, function(i, row) {
+				$.each(me.columns, function(i, col) {
+					if (col.formatter==me.currency_formatter) {
+						total[col.id] += row[col.id];
+					}
+				});
+			});
+			
+			this.data = this.data.concat([total]);
+		}
+	}
+})
diff --git a/stock/page/stock_level/stock_level.txt b/stock/page/stock_level/stock_level.txt
new file mode 100644
index 0000000..6bf5c41
--- /dev/null
+++ b/stock/page/stock_level/stock_level.txt
@@ -0,0 +1,21 @@
+[
+ {
+  "owner": "Administrator", 
+  "docstatus": 0, 
+  "creation": "2012-12-28 11:02:23", 
+  "modified_by": "Administrator", 
+  "modified": "2012-12-28 11:02:23"
+ }, 
+ {
+  "name": "__common__", 
+  "title": "Stock Level", 
+  "doctype": "Page", 
+  "module": "Stock", 
+  "standard": "Yes", 
+  "page_name": "stock-level"
+ }, 
+ {
+  "name": "stock-level", 
+  "doctype": "Page"
+ }
+]
\ No newline at end of file