erpnext/selling/sales_common.js - Clicks/Forks/ERPNext - Gitiles

 // Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
 // License: GNU General Public License v3. See license.txt

 // Preset
 // ------
 // cur_frm.cscript.tname - Details table name
 // cur_frm.cscript.fname - Details fieldname
 // cur_frm.cscript.other_fname - fieldname
 // cur_frm.cscript.sales_team_fname - Sales Team fieldname

 frappe.provide("erpnext.selling");
 frappe.require("assets/erpnext/js/transaction.js");

 {% include "public/js/controllers/accounts.js" %}

 erpnext.selling.SellingController = erpnext.TransactionController.extend({
 	onload: function() {
 		this._super();
 		this.toggle_rounded_total();
 		this.setup_queries();
 		this.toggle_editable_price_list_rate();
 	},

 	setup_queries: function() {
 		var me = this;

 		this.frm.add_fetch("sales_partner", "commission_rate", "commission_rate");

 		$.each([["customer_address", "customer_filter"],
 			["shipping_address_name", "customer_filter"],
 			["contact_person", "customer_filter"],
 			["customer", "customer"],
 			["lead", "lead"]],
 			function(i, opts) {
 				if(me.frm.fields_dict[opts[0]])
 					me.frm.set_query(opts[0], erpnext.queries[opts[1]]);
 			});

 		if(this.frm.fields_dict.taxes_and_charges) {
 			this.frm.set_query("taxes_and_charges", function() {
 				return {
 					filters: [
 						['Sales Taxes and Charges Master', 'company', '=', me.frm.doc.company],
 						['Sales Taxes and Charges Master', 'docstatus', '!=', 2]
 					]
 				}
 			});
 		}

 		if(this.frm.fields_dict.selling_price_list) {
 			this.frm.set_query("selling_price_list", function() {
 				return { filters: { selling: 1 } };
 			});
 		}

 		if(!this.fname) {
 			return;
 		}

 		if(this.frm.fields_dict[this.fname].grid.get_field('item_code')) {
 			this.frm.set_query("item_code", this.fname, function() {
 				return {
 					query: "erpnext.controllers.queries.item_query",
 					filters: (me.frm.doc.order_type === "Maintenance" ?
 						{'is_service_item': 'Yes'}:
 						{'is_sales_item': 'Yes'	})
 				}
 			});
 		}

 		if(this.frm.fields_dict[this.fname].grid.get_field('batch_no')) {
 			this.frm.set_query("batch_no", this.fname, function(doc, cdt, cdn) {
 				var item = frappe.model.get_doc(cdt, cdn);
 				if(!item.item_code) {
 					frappe.throw(frappe._("Please enter Item Code to get batch no"));
 				} else {
 					filters = {
 						'item_code': item.item_code,
 						'posting_date': me.frm.doc.posting_date,
 					}
 					if(item.warehouse) filters["warehouse"] = item.warehouse

 					return {
 						query : "erpnext.controllers.queries.get_batch_no",
 						filters: filters
 					}
 				}
 			});
 		}

 		if(this.frm.fields_dict.sales_team && this.frm.fields_dict.sales_team.grid.get_field("sales_person")) {
 			this.frm.set_query("sales_person", "sales_team", erpnext.queries.not_a_group_filter);
 		}
 	},

 	refresh: function() {
 		this._super();
 		this.frm.toggle_display("customer_name",
 			(this.frm.doc.customer_name && this.frm.doc.customer_name!==this.frm.doc.customer));
 		if(this.frm.fields_dict.packing_details) {
 			var packing_list_exists = this.frm.get_doclist({parentfield: "packing_details"}).length;
 			this.frm.toggle_display("packing_list", packing_list_exists ? true : false);
 		}
 	},

 	customer: function() {
 		erpnext.utils.get_party_details(this.frm);
 	},

 	customer_address: function() {
 		erpnext.utils.get_address_display(this.frm, "customer_address");
 	},

 	shipping_address_name: function() {
 		erpnext.utils.get_address_display(this.frm, "shipping_address_name", "shipping_address");
 	},

 	contact_person: function() {
 		erpnext.utils.get_contact_details(this.frm);
 	},

 	barcode: function(doc, cdt, cdn) {
 		this.item_code(doc, cdt, cdn);
 	},

 	selling_price_list: function() {
 		this.get_price_list_currency("Selling");
 	},

 	price_list_rate: function(doc, cdt, cdn) {
 		var item = frappe.model.get_doc(cdt, cdn);
 		frappe.model.round_floats_in(item, ["price_list_rate", "discount_percentage"]);

 		item.rate = flt(item.price_list_rate * (1 - item.discount_percentage / 100.0),
 			precision("rate", item));

 		this.calculate_taxes_and_totals();
 	},

 	discount_percentage: function(doc, cdt, cdn) {
 		var item = frappe.model.get_doc(cdt, cdn);
 		if(!item.price_list_rate) {
 			item.discount_percentage = 0.0;
 		} else {
 			this.price_list_rate(doc, cdt, cdn);
 		}
 	},

 	rate: function(doc, cdt, cdn) {
 		var item = frappe.model.get_doc(cdt, cdn);
 		frappe.model.round_floats_in(item, ["rate", "price_list_rate"]);

 		if(item.price_list_rate) {
 			item.discount_percentage = flt((1 - item.rate / item.price_list_rate) * 100.0,
 				precision("discount_percentage", item));
 		} else {
 			item.discount_percentage = 0.0;
 		}

 		this.calculate_taxes_and_totals();
 	},

 	discount_amount: function() {
 		this.calculate_taxes_and_totals();
 	},

 	commission_rate: function() {
 		this.calculate_commission();
 		refresh_field("total_commission");
 	},

 	total_commission: function() {
 		if(this.frm.doc.net_total) {
 			frappe.model.round_floats_in(this.frm.doc, ["net_total", "total_commission"]);

 			if(this.frm.doc.net_total < this.frm.doc.total_commission) {
 				var msg = (frappe._("[Error]") + " " +
 					frappe._(frappe.meta.get_label(this.frm.doc.doctype, "total_commission",
 						this.frm.doc.name)) + " > " +
 					frappe._(frappe.meta.get_label(this.frm.doc.doctype, "net_total", this.frm.doc.name)));
 				msgprint(msg);
 				throw msg;
 			}

 			this.frm.set_value("commission_rate",
 				flt(this.frm.doc.total_commission * 100.0 / this.frm.doc.net_total));
 		}
 	},

 	allocated_percentage: function(doc, cdt, cdn) {
 		var sales_person = frappe.model.get_doc(cdt, cdn);

 		if(sales_person.allocated_percentage) {
 			sales_person.allocated_percentage = flt(sales_person.allocated_percentage,
 				precision("allocated_percentage", sales_person));
 			sales_person.allocated_amount = flt(this.frm.doc.net_total *
 				sales_person.allocated_percentage / 100.0,
 				precision("allocated_amount", sales_person));

 			refresh_field(["allocated_percentage", "allocated_amount"], sales_person.name,
 				sales_person.parentfield);
 		}
 	},

 	warehouse: function(doc, cdt, cdn) {
 		var item = frappe.model.get_doc(cdt, cdn);
 		if(item.item_code && item.warehouse) {
 			return this.frm.call({
 				method: "erpnext.selling.utils.get_available_qty",
 				child: item,
 				args: {
 					item_code: item.item_code,
 					warehouse: item.warehouse,
 				},
 			});
 		}
 	},

 	toggle_rounded_total: function() {
 		var me = this;
 		if(cint(frappe.defaults.get_global_default("disable_rounded_total"))) {
 			$.each(["rounded_total", "rounded_total_export"], function(i, fieldname) {
 				me.frm.set_df_property(fieldname, "print_hide", 1);
 				me.frm.toggle_display(fieldname, false);
 			});
 		}
 	},

 	toggle_editable_price_list_rate: function() {
 		var df = frappe.meta.get_docfield(this.tname, "price_list_rate", this.frm.doc.name);
 		var editable_price_list_rate = cint(frappe.defaults.get_default("editable_price_list_rate"));

 		if(df && editable_price_list_rate) {
 			df.read_only = 0;
 		}
 	},

 	calculate_taxes_and_totals: function() {
 		this._super();
 		this.calculate_total_advance("Sales Invoice", "advance_adjustment_details");
 		this.calculate_commission();
 		this.calculate_contribution();

 		// TODO check for custom_recalc in custom scripts of server

 		this.frm.refresh_fields();
 	},

 	calculate_item_values: function() {
 		var me = this;

 		if (!this.discount_amount_applied) {
 			$.each(this.frm.item_doclist, function(i, item) {
 				frappe.model.round_floats_in(item);
 				item.amount = flt(item.rate * item.qty, precision("amount", item));

 				me._set_in_company_currency(item, "price_list_rate", "base_price_list_rate");
 				me._set_in_company_currency(item, "rate", "base_rate");
 				me._set_in_company_currency(item, "amount", "base_amount");
 			});
 		}
 	},

 	determine_exclusive_rate: function() {
 		var me = this;
 		$.each(me.frm.item_doclist, function(n, item) {
 			var item_tax_map = me._load_item_tax_rate(item.item_tax_rate);
 			var cumulated_tax_fraction = 0.0;

 			$.each(me.frm.tax_doclist, function(i, tax) {
 				tax.tax_fraction_for_current_item = me.get_current_tax_fraction(tax, item_tax_map);

 				if(i==0) {
 					tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item;
 				} else {
 					tax.grand_total_fraction_for_current_item =
 						me.frm.tax_doclist[i-1].grand_total_fraction_for_current_item +
 						tax.tax_fraction_for_current_item;
 				}

 				cumulated_tax_fraction += tax.tax_fraction_for_current_item;
 			});

 			if(cumulated_tax_fraction && !me.discount_amount_applied) {
 				item.base_amount = flt(
 					(item.amount * me.frm.doc.conversion_rate) / (1 + cumulated_tax_fraction),
 					precision("base_amount", item));

 				item.base_rate = flt(item.base_amount / item.qty, precision("base_rate", item));

 				if(item.discount_percentage == 100) {
 					item.base_price_list_rate = item.base_rate;
 					item.base_rate = 0.0;
 				} else {
 					item.base_price_list_rate = flt(item.base_rate / (1 - item.discount_percentage / 100.0),
 						precision("base_price_list_rate", item));
 				}
 			}
 		});
 	},

 	get_current_tax_fraction: function(tax, item_tax_map) {
 		// Get tax fraction for calculating tax exclusive amount
 		// from tax inclusive amount
 		var current_tax_fraction = 0.0;

 		if(cint(tax.included_in_print_rate)) {
 			var tax_rate = this._get_tax_rate(tax, item_tax_map);

 			if(tax.charge_type == "On Net Total") {
 				current_tax_fraction = (tax_rate / 100.0);

 			} else if(tax.charge_type == "On Previous Row Amount") {
 				current_tax_fraction = (tax_rate / 100.0) *
 					this.frm.tax_doclist[cint(tax.row_id) - 1].tax_fraction_for_current_item;

 			} else if(tax.charge_type == "On Previous Row Total") {
 				current_tax_fraction = (tax_rate / 100.0) *
 					this.frm.tax_doclist[cint(tax.row_id) - 1].grand_total_fraction_for_current_item;
 			}
 		}

 		return current_tax_fraction;
 	},

 	calculate_net_total: function() {
 		var me = this;
 		this.frm.doc.net_total = this.frm.doc.net_total_export = 0.0;

 		$.each(this.frm.item_doclist, function(i, item) {
 			me.frm.doc.net_total += item.base_amount;
 			me.frm.doc.net_total_export += item.amount;
 		});

 		frappe.model.round_floats_in(this.frm.doc, ["net_total", "net_total_export"]);
 	},

 	calculate_totals: function() {
 		var me = this;
 		var tax_count = this.frm.tax_doclist.length;

 		this.frm.doc.grand_total = flt(
 			tax_count ? this.frm.tax_doclist[tax_count - 1].total : this.frm.doc.net_total,
 			precision("grand_total"));
 		this.frm.doc.grand_total_export = flt(this.frm.doc.grand_total / this.frm.doc.conversion_rate,
 			precision("grand_total_export"));

 		this.frm.doc.other_charges_total = flt(this.frm.doc.grand_total - this.frm.doc.net_total,
 			precision("other_charges_total"));
 		this.frm.doc.other_charges_total_export = flt(this.frm.doc.grand_total_export -
 			this.frm.doc.net_total_export + flt(this.frm.doc.discount_amount),
 			precision("other_charges_total_export"));

 		this.frm.doc.rounded_total = Math.round(this.frm.doc.grand_total);
 		this.frm.doc.rounded_total_export = Math.round(this.frm.doc.grand_total_export);
 	},

 	apply_discount_amount: function() {
 		var me = this;
 		var distributed_amount = 0.0;

 		if (this.frm.doc.discount_amount) {
 			var grand_total_for_discount_amount = this.get_grand_total_for_discount_amount();
 			// calculate item amount after Discount Amount
 			if (grand_total_for_discount_amount) {
 				$.each(this.frm.item_doclist, function(i, item) {
 					distributed_amount = flt(me.frm.doc.discount_amount) * item.base_amount / grand_total_for_discount_amount;
 					item.base_amount = flt(item.base_amount - distributed_amount, precision("base_amount", item));
 				});

 				this.discount_amount_applied = true;
 				this._calculate_taxes_and_totals();
 			}
 		}
 	},

 	get_grand_total_for_discount_amount: function() {
 		var me = this;
 		var total_actual_tax = 0.0;
 		var actual_taxes_dict = {};

 		$.each(this.frm.tax_doclist, function(i, tax) {
 			if (tax.charge_type == "Actual")
 				actual_taxes_dict[tax.idx] = tax.tax_amount;
 			else if (actual_taxes_dict[tax.row_id] !== null) {
 				actual_tax_amount = flt(actual_taxes_dict[tax.row_id]) * flt(tax.rate) / 100;
 				actual_taxes_dict[tax.idx] = actual_tax_amount;
 			}
 		});

 		$.each(actual_taxes_dict, function(key, value) {
 			if (value)
 				total_actual_tax += value;
 		});

 		grand_total_for_discount_amount = flt(this.frm.doc.grand_total - total_actual_tax,
 			precision("grand_total"));
 		return grand_total_for_discount_amount;
 	},

 	calculate_outstanding_amount: function() {
 		// NOTE:
 		// paid_amount and write_off_amount is only for POS Invoice
 		// total_advance is only for non POS Invoice
 		if(this.frm.doc.doctype == "Sales Invoice" && this.frm.doc.docstatus==0) {
 			frappe.model.round_floats_in(this.frm.doc, ["grand_total", "total_advance", "write_off_amount",
 				"paid_amount"]);
 			var total_amount_to_pay = this.frm.doc.grand_total - this.frm.doc.write_off_amount - this.frm.doc.total_advance;
 			this.frm.doc.paid_amount = this.frm.doc.is_pos? flt(total_amount_to_pay): 0.0;

 			this.frm.doc.outstanding_amount = flt(total_amount_to_pay - this.frm.doc.paid_amount,
 				precision("outstanding_amount"));
 		}
 	},

 	calculate_commission: function() {
 		if(this.frm.fields_dict.commission_rate) {
 			if(this.frm.doc.commission_rate > 100) {
 				var msg = frappe._(frappe.meta.get_label(this.frm.doc.doctype, "commission_rate", this.frm.doc.name)) +
 					" " + frappe._("cannot be greater than 100");
 				msgprint(msg);
 				throw msg;
 			}

 			this.frm.doc.total_commission = flt(this.frm.doc.net_total * this.frm.doc.commission_rate / 100.0,
 				precision("total_commission"));
 		}
 	},

 	calculate_contribution: function() {
 		var me = this;
 		$.each(frappe.model.get_doclist(this.frm.doc.doctype, this.frm.doc.name,
 			{parentfield: "sales_team"}), function(i, sales_person) {
 				frappe.model.round_floats_in(sales_person);
 				if(sales_person.allocated_percentage) {
 					sales_person.allocated_amount = flt(
 						me.frm.doc.net_total * sales_person.allocated_percentage / 100.0,
 						precision("allocated_amount", sales_person));
 				}
 			});
 	},

 	_cleanup: function() {
 		this._super();
 		this.frm.doc.in_words = this.frm.doc.in_words_export = "";
 	},

 	shipping_rule: function() {
 		var me = this;
 		if(this.frm.doc.shipping_rule) {
 			return this.frm.call({
 				doc: this.frm.doc,
 				method: "apply_shipping_rule",
 				callback: function(r) {
 					if(!r.exc) {
 						me.calculate_taxes_and_totals();
 					}
 				}
 			})
 		}
 	},

 	set_dynamic_labels: function() {
 		this._super();
 		set_sales_bom_help(this.frm.doc);
 	},

 	change_form_labels: function(company_currency) {
 		var me = this;
 		var field_label_map = {};

 		var setup_field_label_map = function(fields_list, currency) {
 			$.each(fields_list, function(i, fname) {
 				var docfield = frappe.meta.docfield_map[me.frm.doc.doctype][fname];
 				if(docfield) {
 					var label = frappe._(docfield.label || "").replace(/\([^\)]*\)/g, "");
 					field_label_map[fname] = label.trim() + " (" + currency + ")";
 				}
 			});
 		};
 		setup_field_label_map(["net_total", "other_charges_total", "grand_total",
 			"rounded_total", "in_words",
 			"outstanding_amount", "total_advance", "paid_amount", "write_off_amount"],
 			company_currency);

 		setup_field_label_map(["net_total_export", "other_charges_total_export", "grand_total_export",
 			"rounded_total_export", "in_words_export"], this.frm.doc.currency);

 		cur_frm.set_df_property("conversion_rate", "description", "1 " + this.frm.doc.currency
 			+ " = [?] " + company_currency)

 		if(this.frm.doc.price_list_currency && this.frm.doc.price_list_currency!=company_currency) {
 			cur_frm.set_df_property("plc_conversion_rate", "description", "1 " + this.frm.doc.price_list_currency
 				+ " = [?] " + company_currency)
 		}

 		// toggle fields
 		this.frm.toggle_display(["conversion_rate", "net_total", "other_charges_total",
 			"grand_total", "rounded_total", "in_words"],
 			this.frm.doc.currency != company_currency);

 		this.frm.toggle_display(["plc_conversion_rate", "price_list_currency"],
 			this.frm.doc.price_list_currency != company_currency);

 		// set labels
 		$.each(field_label_map, function(fname, label) {
 			me.frm.fields_dict[fname].set_label(label);
 		});
 	},

 	change_grid_labels: function(company_currency) {
 		var me = this;
 		var field_label_map = {};

 		var setup_field_label_map = function(fields_list, currency, parentfield) {
 			var grid_doctype = me.frm.fields_dict[parentfield].grid.doctype;
 			$.each(fields_list, function(i, fname) {
 				var docfield = frappe.meta.docfield_map[grid_doctype][fname];
 				if(docfield) {
 					var label = frappe._(docfield.label || "").replace(/\([^\)]*\)/g, "");
 					field_label_map[grid_doctype + "-" + fname] =
 						label.trim() + " (" + currency + ")";
 				}
 			});
 		}

 		setup_field_label_map(["base_rate", "base_price_list_rate", "base_amount"],
 			company_currency, this.fname);

 		setup_field_label_map(["rate", "price_list_rate", "amount"],
 			this.frm.doc.currency, this.fname);

 		setup_field_label_map(["tax_amount", "total"], company_currency, "other_charges");

 		if(this.frm.fields_dict["advance_allocation_details"]) {
 			setup_field_label_map(["advance_amount", "allocated_amount"], company_currency,
 				"advance_allocation_details");
 		}

 		// toggle columns
 		var item_grid = this.frm.fields_dict[this.fname].grid;
 		var show = (this.frm.doc.currency != company_currency) ||
 			(frappe.model.get_doclist(cur_frm.doctype, cur_frm.docname,
 				{parentfield: "other_charges", included_in_print_rate: 1}).length);

 		$.each(["base_rate", "base_price_list_rate", "base_amount"], function(i, fname) {
 			if(frappe.meta.get_docfield(item_grid.doctype, fname))
 				item_grid.set_column_disp(fname, show);
 		});

 		// set labels
 		var $wrapper = $(this.frm.wrapper);
 		$.each(field_label_map, function(fname, label) {
 			fname = fname.split("-");
 			var df = frappe.meta.get_docfield(fname[0], fname[1], me.frm.doc.name);
 			if(df) df.label = label;
 		});
 	},
 });

 // Help for Sales BOM items
 var set_sales_bom_help = function(doc) {
 	if(!cur_frm.fields_dict.packing_list) return;
 	if (getchildren('Packed Item', doc.name, 'packing_details').length) {
 		$(cur_frm.fields_dict.packing_list.row.wrapper).toggle(true);

 		if (inList(['Delivery Note', 'Sales Invoice'], doc.doctype)) {
 			help_msg = "<div class='alert alert-warning'>" +
 				frappe._("For 'Sales BOM' items, warehouse, serial no and batch no \
 				will be considered from the 'Packing List' table. \
 				If warehouse and batch no are same for all packing items for any 'Sales BOM' item, \
 				those values can be entered in the main item table, values will be copied to 'Packing List' table.")+
 			"</div>";
 			frappe.meta.get_docfield(doc.doctype, 'sales_bom_help', doc.name).options = help_msg;
 		}
 	} else {
 		$(cur_frm.fields_dict.packing_list.row.wrapper).toggle(false);
 		if (inList(['Delivery Note', 'Sales Invoice'], doc.doctype)) {
 			frappe.meta.get_docfield(doc.doctype, 'sales_bom_help', doc.name).options = '';
 		}
 	}
 	refresh_field('sales_bom_help');
 }
	// Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
	// License: GNU General Public License v3. See license.txt

	// Preset
	// ------
	// cur_frm.cscript.tname - Details table name
	// cur_frm.cscript.fname - Details fieldname
	// cur_frm.cscript.other_fname - fieldname
	// cur_frm.cscript.sales_team_fname - Sales Team fieldname

	frappe.provide("erpnext.selling");
	frappe.require("assets/erpnext/js/transaction.js");

	{% include "public/js/controllers/accounts.js" %}

	erpnext.selling.SellingController = erpnext.TransactionController.extend({
	onload: function() {
	this._super();
	this.toggle_rounded_total();
	this.setup_queries();
	this.toggle_editable_price_list_rate();
	},

	setup_queries: function() {
	var me = this;

	this.frm.add_fetch("sales_partner", "commission_rate", "commission_rate");

	$.each([["customer_address", "customer_filter"],
	["shipping_address_name", "customer_filter"],
	["contact_person", "customer_filter"],
	["customer", "customer"],
	["lead", "lead"]],
	function(i, opts) {
	if(me.frm.fields_dict[opts[0]])
	me.frm.set_query(opts[0], erpnext.queries[opts[1]]);
	});

	if(this.frm.fields_dict.taxes_and_charges) {
	this.frm.set_query("taxes_and_charges", function() {
	return {
	filters: [
	['Sales Taxes and Charges Master', 'company', '=', me.frm.doc.company],
	['Sales Taxes and Charges Master', 'docstatus', '!=', 2]
	]
	}
	});
	}

	if(this.frm.fields_dict.selling_price_list) {
	this.frm.set_query("selling_price_list", function() {
	return { filters: { selling: 1 } };
	});
	}

	if(!this.fname) {
	return;
	}

	if(this.frm.fields_dict[this.fname].grid.get_field('item_code')) {
	this.frm.set_query("item_code", this.fname, function() {
	return {
	query: "erpnext.controllers.queries.item_query",
	filters: (me.frm.doc.order_type === "Maintenance" ?
	{'is_service_item': 'Yes'}:
	{'is_sales_item': 'Yes' })
	}
	});
	}

	if(this.frm.fields_dict[this.fname].grid.get_field('batch_no')) {
	this.frm.set_query("batch_no", this.fname, function(doc, cdt, cdn) {
	var item = frappe.model.get_doc(cdt, cdn);
	if(!item.item_code) {
	frappe.throw(frappe._("Please enter Item Code to get batch no"));
	} else {
	filters = {
	'item_code': item.item_code,
	'posting_date': me.frm.doc.posting_date,
	}
	if(item.warehouse) filters["warehouse"] = item.warehouse

	return {
	query : "erpnext.controllers.queries.get_batch_no",
	filters: filters
	}
	}
	});
	}

	if(this.frm.fields_dict.sales_team && this.frm.fields_dict.sales_team.grid.get_field("sales_person")) {
	this.frm.set_query("sales_person", "sales_team", erpnext.queries.not_a_group_filter);
	}
	},

	refresh: function() {
	this._super();
	this.frm.toggle_display("customer_name",
	(this.frm.doc.customer_name && this.frm.doc.customer_name!==this.frm.doc.customer));
	if(this.frm.fields_dict.packing_details) {
	var packing_list_exists = this.frm.get_doclist({parentfield: "packing_details"}).length;
	this.frm.toggle_display("packing_list", packing_list_exists ? true : false);
	}
	},

	customer: function() {
	erpnext.utils.get_party_details(this.frm);
	},

	customer_address: function() {
	erpnext.utils.get_address_display(this.frm, "customer_address");
	},

	shipping_address_name: function() {
	erpnext.utils.get_address_display(this.frm, "shipping_address_name", "shipping_address");
	},

	contact_person: function() {
	erpnext.utils.get_contact_details(this.frm);
	},

	barcode: function(doc, cdt, cdn) {
	this.item_code(doc, cdt, cdn);
	},

	selling_price_list: function() {
	this.get_price_list_currency("Selling");
	},

	price_list_rate: function(doc, cdt, cdn) {
	var item = frappe.model.get_doc(cdt, cdn);
	frappe.model.round_floats_in(item, ["price_list_rate", "discount_percentage"]);

	item.rate = flt(item.price_list_rate * (1 - item.discount_percentage / 100.0),
	precision("rate", item));

	this.calculate_taxes_and_totals();
	},

	discount_percentage: function(doc, cdt, cdn) {
	var item = frappe.model.get_doc(cdt, cdn);
	if(!item.price_list_rate) {
	item.discount_percentage = 0.0;
	} else {
	this.price_list_rate(doc, cdt, cdn);
	}
	},

	rate: function(doc, cdt, cdn) {
	var item = frappe.model.get_doc(cdt, cdn);
	frappe.model.round_floats_in(item, ["rate", "price_list_rate"]);

	if(item.price_list_rate) {
	item.discount_percentage = flt((1 - item.rate / item.price_list_rate) * 100.0,
	precision("discount_percentage", item));
	} else {
	item.discount_percentage = 0.0;
	}

	this.calculate_taxes_and_totals();
	},

	discount_amount: function() {
	this.calculate_taxes_and_totals();
	},

	commission_rate: function() {
	this.calculate_commission();
	refresh_field("total_commission");
	},

	total_commission: function() {
	if(this.frm.doc.net_total) {
	frappe.model.round_floats_in(this.frm.doc, ["net_total", "total_commission"]);

	if(this.frm.doc.net_total < this.frm.doc.total_commission) {
	var msg = (frappe._("[Error]") + " " +
	frappe._(frappe.meta.get_label(this.frm.doc.doctype, "total_commission",
	this.frm.doc.name)) + " > " +
	frappe._(frappe.meta.get_label(this.frm.doc.doctype, "net_total", this.frm.doc.name)));
	msgprint(msg);
	throw msg;
	}

	this.frm.set_value("commission_rate",
	flt(this.frm.doc.total_commission * 100.0 / this.frm.doc.net_total));
	}
	},

	allocated_percentage: function(doc, cdt, cdn) {
	var sales_person = frappe.model.get_doc(cdt, cdn);

	if(sales_person.allocated_percentage) {
	sales_person.allocated_percentage = flt(sales_person.allocated_percentage,
	precision("allocated_percentage", sales_person));
	sales_person.allocated_amount = flt(this.frm.doc.net_total *
	sales_person.allocated_percentage / 100.0,
	precision("allocated_amount", sales_person));

	refresh_field(["allocated_percentage", "allocated_amount"], sales_person.name,
	sales_person.parentfield);
	}
	},

	warehouse: function(doc, cdt, cdn) {
	var item = frappe.model.get_doc(cdt, cdn);
	if(item.item_code && item.warehouse) {
	return this.frm.call({
	method: "erpnext.selling.utils.get_available_qty",
	child: item,
	args: {
	item_code: item.item_code,
	warehouse: item.warehouse,
	},
	});
	}
	},

	toggle_rounded_total: function() {
	var me = this;
	if(cint(frappe.defaults.get_global_default("disable_rounded_total"))) {
	$.each(["rounded_total", "rounded_total_export"], function(i, fieldname) {
	me.frm.set_df_property(fieldname, "print_hide", 1);
	me.frm.toggle_display(fieldname, false);
	});
	}
	},

	toggle_editable_price_list_rate: function() {
	var df = frappe.meta.get_docfield(this.tname, "price_list_rate", this.frm.doc.name);
	var editable_price_list_rate = cint(frappe.defaults.get_default("editable_price_list_rate"));

	if(df && editable_price_list_rate) {
	df.read_only = 0;
	}
	},

	calculate_taxes_and_totals: function() {
	this._super();
	this.calculate_total_advance("Sales Invoice", "advance_adjustment_details");
	this.calculate_commission();
	this.calculate_contribution();

	// TODO check for custom_recalc in custom scripts of server

	this.frm.refresh_fields();
	},

	calculate_item_values: function() {
	var me = this;

	if (!this.discount_amount_applied) {
	$.each(this.frm.item_doclist, function(i, item) {
	frappe.model.round_floats_in(item);
	item.amount = flt(item.rate * item.qty, precision("amount", item));

	me._set_in_company_currency(item, "price_list_rate", "base_price_list_rate");
	me._set_in_company_currency(item, "rate", "base_rate");
	me._set_in_company_currency(item, "amount", "base_amount");
	});
	}
	},

	determine_exclusive_rate: function() {
	var me = this;
	$.each(me.frm.item_doclist, function(n, item) {
	var item_tax_map = me._load_item_tax_rate(item.item_tax_rate);
	var cumulated_tax_fraction = 0.0;

	$.each(me.frm.tax_doclist, function(i, tax) {
	tax.tax_fraction_for_current_item = me.get_current_tax_fraction(tax, item_tax_map);

	if(i==0) {
	tax.grand_total_fraction_for_current_item = 1 + tax.tax_fraction_for_current_item;
	} else {
	tax.grand_total_fraction_for_current_item =
	me.frm.tax_doclist[i-1].grand_total_fraction_for_current_item +
	tax.tax_fraction_for_current_item;
	}

	cumulated_tax_fraction += tax.tax_fraction_for_current_item;
	});

	if(cumulated_tax_fraction && !me.discount_amount_applied) {
	item.base_amount = flt(
	(item.amount * me.frm.doc.conversion_rate) / (1 + cumulated_tax_fraction),
	precision("base_amount", item));

	item.base_rate = flt(item.base_amount / item.qty, precision("base_rate", item));

	if(item.discount_percentage == 100) {
	item.base_price_list_rate = item.base_rate;
	item.base_rate = 0.0;
	} else {
	item.base_price_list_rate = flt(item.base_rate / (1 - item.discount_percentage / 100.0),
	precision("base_price_list_rate", item));
	}
	}
	});
	},

	get_current_tax_fraction: function(tax, item_tax_map) {
	// Get tax fraction for calculating tax exclusive amount
	// from tax inclusive amount
	var current_tax_fraction = 0.0;

	if(cint(tax.included_in_print_rate)) {
	var tax_rate = this._get_tax_rate(tax, item_tax_map);

	if(tax.charge_type == "On Net Total") {
	current_tax_fraction = (tax_rate / 100.0);

	} else if(tax.charge_type == "On Previous Row Amount") {
	current_tax_fraction = (tax_rate / 100.0) *
	this.frm.tax_doclist[cint(tax.row_id) - 1].tax_fraction_for_current_item;

	} else if(tax.charge_type == "On Previous Row Total") {
	current_tax_fraction = (tax_rate / 100.0) *
	this.frm.tax_doclist[cint(tax.row_id) - 1].grand_total_fraction_for_current_item;
	}
	}

	return current_tax_fraction;
	},

	calculate_net_total: function() {
	var me = this;
	this.frm.doc.net_total = this.frm.doc.net_total_export = 0.0;

	$.each(this.frm.item_doclist, function(i, item) {
	me.frm.doc.net_total += item.base_amount;
	me.frm.doc.net_total_export += item.amount;
	});

	frappe.model.round_floats_in(this.frm.doc, ["net_total", "net_total_export"]);
	},

	calculate_totals: function() {
	var me = this;
	var tax_count = this.frm.tax_doclist.length;

	this.frm.doc.grand_total = flt(
	tax_count ? this.frm.tax_doclist[tax_count - 1].total : this.frm.doc.net_total,
	precision("grand_total"));
	this.frm.doc.grand_total_export = flt(this.frm.doc.grand_total / this.frm.doc.conversion_rate,
	precision("grand_total_export"));

	this.frm.doc.other_charges_total = flt(this.frm.doc.grand_total - this.frm.doc.net_total,
	precision("other_charges_total"));
	this.frm.doc.other_charges_total_export = flt(this.frm.doc.grand_total_export -
	this.frm.doc.net_total_export + flt(this.frm.doc.discount_amount),
	precision("other_charges_total_export"));

	this.frm.doc.rounded_total = Math.round(this.frm.doc.grand_total);
	this.frm.doc.rounded_total_export = Math.round(this.frm.doc.grand_total_export);
	},

	apply_discount_amount: function() {
	var me = this;
	var distributed_amount = 0.0;

	if (this.frm.doc.discount_amount) {
	var grand_total_for_discount_amount = this.get_grand_total_for_discount_amount();
	// calculate item amount after Discount Amount
	if (grand_total_for_discount_amount) {
	$.each(this.frm.item_doclist, function(i, item) {
	distributed_amount = flt(me.frm.doc.discount_amount) * item.base_amount / grand_total_for_discount_amount;
	item.base_amount = flt(item.base_amount - distributed_amount, precision("base_amount", item));
	});

	this.discount_amount_applied = true;
	this._calculate_taxes_and_totals();
	}
	}
	},

	get_grand_total_for_discount_amount: function() {
	var me = this;
	var total_actual_tax = 0.0;
	var actual_taxes_dict = {};

	$.each(this.frm.tax_doclist, function(i, tax) {
	if (tax.charge_type == "Actual")
	actual_taxes_dict[tax.idx] = tax.tax_amount;
	else if (actual_taxes_dict[tax.row_id] !== null) {
	actual_tax_amount = flt(actual_taxes_dict[tax.row_id]) * flt(tax.rate) / 100;
	actual_taxes_dict[tax.idx] = actual_tax_amount;
	}
	});

	$.each(actual_taxes_dict, function(key, value) {
	if (value)
	total_actual_tax += value;
	});

	grand_total_for_discount_amount = flt(this.frm.doc.grand_total - total_actual_tax,
	precision("grand_total"));
	return grand_total_for_discount_amount;
	},

	calculate_outstanding_amount: function() {
	// NOTE:
	// paid_amount and write_off_amount is only for POS Invoice
	// total_advance is only for non POS Invoice
	if(this.frm.doc.doctype == "Sales Invoice" && this.frm.doc.docstatus==0) {
	frappe.model.round_floats_in(this.frm.doc, ["grand_total", "total_advance", "write_off_amount",
	"paid_amount"]);
	var total_amount_to_pay = this.frm.doc.grand_total - this.frm.doc.write_off_amount - this.frm.doc.total_advance;
	this.frm.doc.paid_amount = this.frm.doc.is_pos? flt(total_amount_to_pay): 0.0;

	this.frm.doc.outstanding_amount = flt(total_amount_to_pay - this.frm.doc.paid_amount,
	precision("outstanding_amount"));
	}
	},

	calculate_commission: function() {
	if(this.frm.fields_dict.commission_rate) {
	if(this.frm.doc.commission_rate > 100) {
	var msg = frappe._(frappe.meta.get_label(this.frm.doc.doctype, "commission_rate", this.frm.doc.name)) +
	" " + frappe._("cannot be greater than 100");
	msgprint(msg);
	throw msg;
	}

	this.frm.doc.total_commission = flt(this.frm.doc.net_total * this.frm.doc.commission_rate / 100.0,
	precision("total_commission"));
	}
	},

	calculate_contribution: function() {
	var me = this;
	$.each(frappe.model.get_doclist(this.frm.doc.doctype, this.frm.doc.name,
	{parentfield: "sales_team"}), function(i, sales_person) {
	frappe.model.round_floats_in(sales_person);
	if(sales_person.allocated_percentage) {
	sales_person.allocated_amount = flt(
	me.frm.doc.net_total * sales_person.allocated_percentage / 100.0,
	precision("allocated_amount", sales_person));
	}
	});
	},

	_cleanup: function() {
	this._super();
	this.frm.doc.in_words = this.frm.doc.in_words_export = "";
	},

	shipping_rule: function() {
	var me = this;
	if(this.frm.doc.shipping_rule) {
	return this.frm.call({
	doc: this.frm.doc,
	method: "apply_shipping_rule",
	callback: function(r) {
	if(!r.exc) {
	me.calculate_taxes_and_totals();
	}
	}
	})
	}
	},

	set_dynamic_labels: function() {
	this._super();
	set_sales_bom_help(this.frm.doc);
	},

	change_form_labels: function(company_currency) {
	var me = this;
	var field_label_map = {};

	var setup_field_label_map = function(fields_list, currency) {
	$.each(fields_list, function(i, fname) {
	var docfield = frappe.meta.docfield_map[me.frm.doc.doctype][fname];
	if(docfield) {
	var label = frappe._(docfield.label \|\| "").replace(/\([^\)]*\)/g, "");
	field_label_map[fname] = label.trim() + " (" + currency + ")";
	}
	});
	};
	setup_field_label_map(["net_total", "other_charges_total", "grand_total",
	"rounded_total", "in_words",
	"outstanding_amount", "total_advance", "paid_amount", "write_off_amount"],
	company_currency);

	setup_field_label_map(["net_total_export", "other_charges_total_export", "grand_total_export",
	"rounded_total_export", "in_words_export"], this.frm.doc.currency);

	cur_frm.set_df_property("conversion_rate", "description", "1 " + this.frm.doc.currency
	+ " = [?] " + company_currency)

	if(this.frm.doc.price_list_currency && this.frm.doc.price_list_currency!=company_currency) {
	cur_frm.set_df_property("plc_conversion_rate", "description", "1 " + this.frm.doc.price_list_currency
	+ " = [?] " + company_currency)
	}

	// toggle fields
	this.frm.toggle_display(["conversion_rate", "net_total", "other_charges_total",
	"grand_total", "rounded_total", "in_words"],
	this.frm.doc.currency != company_currency);

	this.frm.toggle_display(["plc_conversion_rate", "price_list_currency"],
	this.frm.doc.price_list_currency != company_currency);

	// set labels
	$.each(field_label_map, function(fname, label) {
	me.frm.fields_dict[fname].set_label(label);
	});
	},

	change_grid_labels: function(company_currency) {
	var me = this;
	var field_label_map = {};

	var setup_field_label_map = function(fields_list, currency, parentfield) {
	var grid_doctype = me.frm.fields_dict[parentfield].grid.doctype;
	$.each(fields_list, function(i, fname) {
	var docfield = frappe.meta.docfield_map[grid_doctype][fname];
	if(docfield) {
	var label = frappe._(docfield.label \|\| "").replace(/\([^\)]*\)/g, "");
	field_label_map[grid_doctype + "-" + fname] =
	label.trim() + " (" + currency + ")";
	}
	});
	}

	setup_field_label_map(["base_rate", "base_price_list_rate", "base_amount"],
	company_currency, this.fname);

	setup_field_label_map(["rate", "price_list_rate", "amount"],
	this.frm.doc.currency, this.fname);

	setup_field_label_map(["tax_amount", "total"], company_currency, "other_charges");

	if(this.frm.fields_dict["advance_allocation_details"]) {
	setup_field_label_map(["advance_amount", "allocated_amount"], company_currency,
	"advance_allocation_details");
	}

	// toggle columns
	var item_grid = this.frm.fields_dict[this.fname].grid;
	var show = (this.frm.doc.currency != company_currency) \|\|
	(frappe.model.get_doclist(cur_frm.doctype, cur_frm.docname,
	{parentfield: "other_charges", included_in_print_rate: 1}).length);

	$.each(["base_rate", "base_price_list_rate", "base_amount"], function(i, fname) {
	if(frappe.meta.get_docfield(item_grid.doctype, fname))
	item_grid.set_column_disp(fname, show);
	});

	// set labels
	var $wrapper = $(this.frm.wrapper);
	$.each(field_label_map, function(fname, label) {
	fname = fname.split("-");
	var df = frappe.meta.get_docfield(fname[0], fname[1], me.frm.doc.name);
	if(df) df.label = label;
	});
	},
	});

	// Help for Sales BOM items
	var set_sales_bom_help = function(doc) {
	if(!cur_frm.fields_dict.packing_list) return;
	if (getchildren('Packed Item', doc.name, 'packing_details').length) {
	$(cur_frm.fields_dict.packing_list.row.wrapper).toggle(true);

	if (inList(['Delivery Note', 'Sales Invoice'], doc.doctype)) {
	help_msg = "<div class='alert alert-warning'>" +
	frappe._("For 'Sales BOM' items, warehouse, serial no and batch no \
	will be considered from the 'Packing List' table. \
	If warehouse and batch no are same for all packing items for any 'Sales BOM' item, \
	those values can be entered in the main item table, values will be copied to 'Packing List' table.")+
	"</div>";
	frappe.meta.get_docfield(doc.doctype, 'sales_bom_help', doc.name).options = help_msg;
	}
	} else {
	$(cur_frm.fields_dict.packing_list.row.wrapper).toggle(false);
	if (inList(['Delivery Note', 'Sales Invoice'], doc.doctype)) {
	frappe.meta.get_docfield(doc.doctype, 'sales_bom_help', doc.name).options = '';
	}
	}
	refresh_field('sales_bom_help');
	}