odoo/addons/point_of_sale/static/src/js/models.js

886 lines
38 KiB
JavaScript

function openerp_pos_models(instance, module){ //module is instance.point_of_sale
var QWeb = instance.web.qweb;
var round_di = instance.web.round_decimals;
var round_pr = instance.web.round_precision
// The PosModel contains the Point Of Sale's representation of the backend.
// Since the PoS must work in standalone ( Without connection to the server )
// it must contains a representation of the server's PoS backend.
// (taxes, product list, configuration options, etc.) this representation
// is fetched and stored by the PosModel at the initialisation.
// this is done asynchronously, a ready deferred alows the GUI to wait interactively
// for the loading to be completed
// There is a single instance of the PosModel for each Front-End instance, it is usually called
// 'pos' and is available to all widgets extending PosWidget.
module.PosModel = Backbone.Model.extend({
initialize: function(session, attributes) {
Backbone.Model.prototype.initialize.call(this, attributes);
var self = this;
this.session = session;
this.ready = $.Deferred(); // used to notify the GUI that the PosModel has loaded all resources
this.flush_mutex = new $.Mutex(); // used to make sure the orders are sent to the server once at time
this.barcode_reader = new module.BarcodeReader({'pos': this}); // used to read barcodes
this.proxy = new module.ProxyDevice(); // used to communicate to the hardware devices via a local proxy
this.db = new module.PosLS(); // a database used to store the products and categories
this.db.clear('products','categories');
this.debug = jQuery.deparam(jQuery.param.querystring()).debug !== undefined; //debug mode
// default attributes values. If null, it will be loaded below.
this.set({
'nbr_pending_operations': 0,
'currency': {symbol: '$', position: 'after'},
'shop': null,
'company': null,
'user': null, // the user that loaded the pos
'user_list': null, // list of all users
'partner_list': null, // list of all partners with an ean
'cashier': null, // the logged cashier, if different from user
'orders': new module.OrderCollection(),
//this is the product list as seen by the product list widgets, it will change based on the category filters
'products': new module.ProductCollection(),
'cashRegisters': null,
'bank_statements': null,
'taxes': null,
'pos_session': null,
'pos_config': null,
'units': null,
'units_by_id': null,
'pricelist': null,
'selectedOrder': null,
});
this.get('orders').bind('remove', function(){ self.on_removed_order(); });
// We fetch the backend data on the server asynchronously. this is done only when the pos user interface is launched,
// Any change on this data made on the server is thus not reflected on the point of sale until it is relaunched.
// when all the data has loaded, we compute some stuff, and declare the Pos ready to be used.
$.when(this.load_server_data())
.done(function(){
//self.log_loaded_data(); //Uncomment if you want to log the data to the console for easier debugging
self.ready.resolve();
}).fail(function(){
//we failed to load some backend data, or the backend was badly configured.
//the error messages will be displayed in PosWidget
self.ready.reject();
});
},
// helper function to load data from the server
fetch: function(model, fields, domain, ctx){
return new instance.web.Model(model).query(fields).filter(domain).context(ctx).all()
},
// loads all the needed data on the sever. returns a deferred indicating when all the data has loaded.
load_server_data: function(){
var self = this;
var loaded = self.fetch('res.users',['name','company_id'],[['id','=',this.session.uid]])
.then(function(users){
self.set('user',users[0]);
return self.fetch('res.company',
[
'currency_id',
'email',
'website',
'company_registry',
'vat',
'name',
'phone',
'partner_id',
],
[['id','=',users[0].company_id[0]]]);
}).then(function(companies){
self.set('company',companies[0]);
return self.fetch('res.partner',['contact_address'],[['id','=',companies[0].partner_id[0]]]);
}).then(function(company_partners){
self.get('company').contact_address = company_partners[0].contact_address;
return self.fetch('product.uom', null, null);
}).then(function(units){
self.set('units',units);
var units_by_id = {};
for(var i = 0, len = units.length; i < len; i++){
units_by_id[units[i].id] = units[i];
}
self.set('units_by_id',units_by_id);
return self.fetch('product.packaging', null, null);
}).then(function(packagings){
self.set('product.packaging',packagings);
return self.fetch('res.users', ['name','ean13'], [['ean13', '!=', false]]);
}).then(function(users){
self.set('user_list',users);
return self.fetch('res.partner', ['name','ean13'], [['ean13', '!=', false]]);
}).then(function(partners){
self.set('partner_list',partners);
return self.fetch('account.tax', ['amount', 'price_include', 'type']);
}).then(function(taxes){
self.set('taxes', taxes);
return self.fetch(
'pos.session',
['id', 'journal_ids','name','user_id','config_id','start_at','stop_at'],
[['state', '=', 'opened'], ['user_id', '=', self.session.uid]]
);
}).then(function(sessions){
self.set('pos_session', sessions[0]);
return self.fetch(
'pos.config',
['name','journal_ids','shop_id','journal_id',
'iface_self_checkout', 'iface_led', 'iface_cashdrawer',
'iface_payment_terminal', 'iface_electronic_scale', 'iface_barscan', 'iface_vkeyboard',
'iface_print_via_proxy','iface_cashdrawer','state','sequence_id','session_ids'],
[['id','=', self.get('pos_session').config_id[0]]]
);
}).then(function(configs){
var pos_config = configs[0];
self.set('pos_config', pos_config);
self.iface_electronic_scale = !!pos_config.iface_electronic_scale;
self.iface_print_via_proxy = !!pos_config.iface_print_via_proxy;
self.iface_vkeyboard = !!pos_config.iface_vkeyboard;
self.iface_self_checkout = !!pos_config.iface_self_checkout;
self.iface_cashdrawer = !!pos_config.iface_cashdrawer;
return self.fetch('sale.shop',[],[['id','=',pos_config.shop_id[0]]]);
}).then(function(shops){
self.set('shop',shops[0]);
return self.fetch('product.pricelist',['currency_id'],[['id','=',self.get('shop').pricelist_id[0]]]);
}).then(function(pricelists){
self.set('pricelist',pricelists[0]);
return self.fetch('res.currency',['symbol','position','rounding','accuracy'],[['id','=',self.get('pricelist').currency_id[0]]]);
}).then(function(currencies){
self.set('currency',currencies[0]);
return self.fetch('product.packaging',['ean','product_id']);
}).then(function(packagings){
self.db.add_packagings(packagings);
return self.fetch('pos.category', ['id','name','parent_id','child_id','image'])
}).then(function(categories){
self.db.add_categories(categories);
return self.fetch(
'product.product',
['name', 'list_price','price','pos_categ_id', 'taxes_id', 'ean13', 'default_code',
'to_weight', 'uom_id', 'uos_id', 'uos_coeff', 'mes_type', 'description_sale', 'description'],
[['sale_ok','=',true],['available_in_pos','=',true]],
{pricelist: self.get('shop').pricelist_id[0]} // context for price
);
}).then(function(products){
self.db.add_products(products);
return self.fetch(
'account.bank.statement',
['account_id','currency','journal_id','state','name','user_id','pos_session_id'],
[['state','=','open'],['pos_session_id', '=', self.get('pos_session').id]]
);
}).then(function(bank_statements){
var journals = new Array();
_.each(bank_statements,function(statement) {
journals.push(statement.journal_id[0])
});
self.set('bank_statements', bank_statements);
return self.fetch('account.journal', undefined, [['id','in', journals]]);
}).then(function(journals){
self.set('journals',journals);
// associate the bank statements with their journals.
var bank_statements = self.get('bank_statements');
for(var i = 0, ilen = bank_statements.length; i < ilen; i++){
for(var j = 0, jlen = journals.length; j < jlen; j++){
if(bank_statements[i].journal_id[0] === journals[j].id){
bank_statements[i].journal = journals[j];
bank_statements[i].self_checkout_payment_method = journals[j].self_checkout_payment_method;
}
}
}
self.set({'cashRegisters' : new module.CashRegisterCollection(self.get('bank_statements'))});
});
return loaded;
},
// logs the usefull posmodel data to the console for debug purposes
log_loaded_data: function(){
console.log('PosModel data has been loaded:');
console.log('PosModel: units:',this.get('units'));
console.log('PosModel: bank_statements:',this.get('bank_statements'));
console.log('PosModel: journals:',this.get('journals'));
console.log('PosModel: taxes:',this.get('taxes'));
console.log('PosModel: pos_session:',this.get('pos_session'));
console.log('PosModel: pos_config:',this.get('pos_config'));
console.log('PosModel: cashRegisters:',this.get('cashRegisters'));
console.log('PosModel: shop:',this.get('shop'));
console.log('PosModel: company:',this.get('company'));
console.log('PosModel: currency:',this.get('currency'));
console.log('PosModel: user_list:',this.get('user_list'));
console.log('PosModel: user:',this.get('user'));
console.log('PosModel.session:',this.session);
console.log('PosModel end of data log.');
},
// this is called when an order is removed from the order collection. It ensures that there is always an existing
// order and a valid selected order
on_removed_order: function(removed_order){
if( this.get('orders').isEmpty()){
this.add_new_order();
}else{
this.set({ selectedOrder: this.get('orders').last() });
}
},
// saves the order locally and try to send it to the backend. 'record' is a bizzarely defined JSON version of the Order
push_order: function(record) {
this.db.add_order(record);
this.flush();
},
//creates a new empty order and sets it as the current order
add_new_order: function(){
var order = new module.Order({pos:this});
this.get('orders').add(order);
this.set('selectedOrder', order);
},
// attemps to send all pending orders ( stored in the pos_db ) to the server,
// and remove the successfully sent ones from the db once
// it has been confirmed that they have been sent correctly.
flush: function() {
//TODO make the mutex work
//this makes sure only one _int_flush is called at the same time
/*
return this.flush_mutex.exec(_.bind(function() {
return this._flush(0);
}, this));
*/
this._flush(0);
},
// attempts to send an order of index 'index' in the list of order to send. The index
// is used to skip orders that failed. do not call this method outside the mutex provided
// by flush()
_flush: function(index){
var self = this;
var orders = this.db.get_orders();
self.set('nbr_pending_operations',orders.length);
var order = orders[index];
if(!order){
return;
}
//try to push an order to the server
// shadow : true is to prevent a spinner to appear in case of timeout
(new instance.web.Model('pos.order')).call('create_from_ui',[[order]],undefined,{ shadow:true })
.fail(function(unused, event){
//don't show error popup if it fails
event.preventDefault();
console.error('Failed to send order:',order);
self._flush(index+1);
})
.done(function(){
//remove from db if success
self.db.remove_order(order.id);
self._flush(index);
});
},
scan_product: function(parsed_ean){
var self = this;
var product = this.db.get_product_by_ean13(parsed_ean.base_ean);
var selectedOrder = this.get('selectedOrder');
if(!product){
return false;
}
if(parsed_ean.type === 'price'){
selectedOrder.addProduct(new module.Product(product), {price:parsed_ean.value});
}else if(parsed_ean.type === 'weight'){
selectedOrder.addProduct(new module.Product(product), {quantity:parsed_ean.value, merge:false});
}else{
selectedOrder.addProduct(new module.Product(product));
}
return true;
},
});
module.CashRegister = Backbone.Model.extend({
});
module.CashRegisterCollection = Backbone.Collection.extend({
model: module.CashRegister,
});
module.Product = Backbone.Model.extend({
get_image_url: function(){
return instance.session.url('/web/binary/image', {model: 'product.product', field: 'image', id: this.get('id')});
},
});
module.ProductCollection = Backbone.Collection.extend({
model: module.Product,
});
// An orderline represent one element of the content of a client's shopping cart.
// An orderline contains a product, its quantity, its price, discount. etc.
// An Order contains zero or more Orderlines.
module.Orderline = Backbone.Model.extend({
initialize: function(attr,options){
this.pos = options.pos;
this.order = options.order;
this.product = options.product;
this.price = options.product.get('price');
this.quantity = 1;
this.quantityStr = '1';
this.discount = 0;
this.discountStr = '0';
this.type = 'unit';
this.selected = false;
},
// sets a discount [0,100]%
set_discount: function(discount){
var disc = Math.min(Math.max(parseFloat(discount) || 0, 0),100);
this.discount = disc;
this.discountStr = '' + disc;
this.trigger('change');
},
// returns the discount [0,100]%
get_discount: function(){
return this.discount;
},
get_discount_str: function(){
return this.discountStr;
},
get_product_type: function(){
return this.type;
},
// sets the quantity of the product. The quantity will be rounded according to the
// product's unity of measure properties. Quantities greater than zero will not get
// rounded to zero
set_quantity: function(quantity){
if(quantity === 'remove'){
this.order.removeOrderline(this);
return;
}else{
var quant = Math.max(parseFloat(quantity) || 0, 0);
var unit = this.get_unit();
if(unit){
this.quantity = Math.max(unit.rounding, round_pr(quant, unit.rounding));
this.quantityStr = this.quantity.toFixed(Math.max(0,Math.ceil(Math.log(1.0 / unit.rounding) / Math.log(10))));
}else{
this.quantity = quant;
this.quantityStr = '' + this.quantity;
}
}
this.trigger('change');
},
// return the quantity of product
get_quantity: function(){
return this.quantity;
},
get_quantity_str: function(){
return this.quantityStr;
},
get_quantity_str_with_unit: function(){
var unit = this.get_unit();
if(unit && unit.name !== 'Unit(s)'){
return this.quantityStr + ' ' + unit.name;
}else{
return this.quantityStr;
}
},
// return the unit of measure of the product
get_unit: function(){
var unit_id = (this.product.get('uos_id') || this.product.get('uom_id'));
if(!unit_id){
return undefined;
}
unit_id = unit_id[0];
if(!this.pos){
return undefined;
}
return this.pos.get('units_by_id')[unit_id];
},
// return the product of this orderline
get_product: function(){
return this.product;
},
// selects or deselects this orderline
set_selected: function(selected){
this.selected = selected;
this.trigger('change');
},
// returns true if this orderline is selected
is_selected: function(){
return this.selected;
},
// when we add an new orderline we want to merge it with the last line to see reduce the number of items
// in the orderline. This returns true if it makes sense to merge the two
can_be_merged_with: function(orderline){
if( this.get_product().get('id') !== orderline.get_product().get('id')){ //only orderline of the same product can be merged
return false;
}else if(this.get_product_type() !== orderline.get_product_type()){
return false;
}else if(this.get_discount() > 0){ // we don't merge discounted orderlines
return false;
}else if(this.price !== orderline.price){
return false;
}else{
return true;
}
},
merge: function(orderline){
this.set_quantity(this.get_quantity() + orderline.get_quantity());
},
export_as_JSON: function() {
return {
qty: this.get_quantity(),
price_unit: this.get_unit_price(),
discount: this.get_discount(),
product_id: this.get_product().get('id'),
};
},
//used to create a json of the ticket, to be sent to the printer
export_for_printing: function(){
return {
quantity: this.get_quantity(),
unit_name: this.get_unit().name,
price: this.get_unit_price(),
discount: this.get_discount(),
product_name: this.get_product().get('name'),
price_display : this.get_display_price(),
price_with_tax : this.get_price_with_tax(),
price_without_tax: this.get_price_without_tax(),
tax: this.get_tax(),
product_description: this.get_product().get('description'),
product_description_sale: this.get_product().get('description_sale'),
};
},
// changes the base price of the product for this orderline
set_unit_price: function(price){
this.price = round_di(parseFloat(price) || 0, 2);
this.trigger('change');
},
get_unit_price: function(){
var rounding = this.pos.get('currency').rounding;
return round_pr(this.price,rounding);
},
get_display_price: function(){
var rounding = this.pos.get('currency').rounding;
return round_pr(round_pr(this.get_unit_price() * this.get_quantity(),rounding) * (1- this.get_discount()/100.0),rounding);
},
get_price_without_tax: function(){
return this.get_all_prices().priceWithoutTax;
},
get_price_with_tax: function(){
return this.get_all_prices().priceWithTax;
},
get_tax: function(){
return this.get_all_prices().tax;
},
get_all_prices: function(){
var self = this;
var currency_rounding = this.pos.get('currency').rounding;
var base = round_pr(this.get_quantity() * this.get_unit_price() * (1.0 - (this.get_discount() / 100.0)), currency_rounding);
var totalTax = base;
var totalNoTax = base;
var product_list = this.pos.get('product_list');
var product = this.get_product();
var taxes_ids = product.get('taxes_id');;
var taxes = self.pos.get('taxes');
var taxtotal = 0;
_.each(taxes_ids, function(el) {
var tax = _.detect(taxes, function(t) {return t.id === el;});
if (tax.price_include) {
var tmp;
if (tax.type === "percent") {
tmp = base - round_pr(base / (1 + tax.amount),currency_rounding);
} else if (tax.type === "fixed") {
tmp = round_pr(tax.amount * self.get_quantity(),currency_rounding);
} else {
throw "This type of tax is not supported by the point of sale: " + tax.type;
}
tmp = round_pr(tmp,currency_rounding);
taxtotal += tmp;
totalNoTax -= tmp;
} else {
var tmp;
if (tax.type === "percent") {
tmp = tax.amount * base;
} else if (tax.type === "fixed") {
tmp = tax.amount * self.get_quantity();
} else {
throw "This type of tax is not supported by the point of sale: " + tax.type;
}
tmp = round_pr(tmp,currency_rounding);
taxtotal += tmp;
totalTax += tmp;
}
});
return {
"priceWithTax": totalTax,
"priceWithoutTax": totalNoTax,
"tax": taxtotal,
};
},
});
module.OrderlineCollection = Backbone.Collection.extend({
model: module.Orderline,
});
// Every PaymentLine contains a cashregister and an amount of money.
module.Paymentline = Backbone.Model.extend({
initialize: function(attributes, options) {
this.amount = 0;
this.cashregister = options.cashRegister;
},
//sets the amount of money on this payment line
set_amount: function(value){
this.amount = parseFloat(value) || 0;
this.trigger('change');
},
// returns the amount of money on this paymentline
get_amount: function(){
return this.amount;
},
// returns the associated cashRegister
get_cashregister: function(){
return this.cashregister;
},
//exports as JSON for server communication
export_as_JSON: function(){
return {
name: instance.web.datetime_to_str(new Date()),
statement_id: this.cashregister.get('id'),
account_id: (this.cashregister.get('account_id'))[0],
journal_id: (this.cashregister.get('journal_id'))[0],
amount: this.get_amount()
};
},
//exports as JSON for receipt printing
export_for_printing: function(){
return {
amount: this.get_amount(),
journal: this.cashregister.get('journal_id')[1],
};
},
});
module.PaymentlineCollection = Backbone.Collection.extend({
model: module.Paymentline,
});
// An order more or less represents the content of a client's shopping cart (the OrderLines)
// plus the associated payment information (the PaymentLines)
// there is always an active ('selected') order in the Pos, a new one is created
// automaticaly once an order is completed and sent to the server.
module.Order = Backbone.Model.extend({
initialize: function(attributes){
Backbone.Model.prototype.initialize.apply(this, arguments);
this.set({
creationDate: new Date(),
orderLines: new module.OrderlineCollection(),
paymentLines: new module.PaymentlineCollection(),
name: "Order " + this.generateUniqueId(),
client: null,
});
this.pos = attributes.pos;
this.selected_orderline = undefined;
this.screen_data = {}; // see ScreenSelector
this.receipt_type = 'receipt'; // 'receipt' || 'invoice'
return this;
},
generateUniqueId: function() {
return new Date().getTime();
},
addProduct: function(product, options){
options = options || {};
var attr = product.toJSON();
attr.pos = this.pos;
attr.order = this;
var line = new module.Orderline({}, {pos: this.pos, order: this, product: product});
if(options.quantity !== undefined){
line.set_quantity(options.quantity);
}
if(options.price !== undefined){
line.set_unit_price(options.price);
}
var last_orderline = this.getLastOrderline();
if( last_orderline && last_orderline.can_be_merged_with(line) && options.merge !== false){
last_orderline.merge(line);
}else{
this.get('orderLines').add(line);
}
this.selectLine(this.getLastOrderline());
},
removeOrderline: function( line ){
this.get('orderLines').remove(line);
this.selectLine(this.getLastOrderline());
},
getLastOrderline: function(){
return this.get('orderLines').at(this.get('orderLines').length -1);
},
addPaymentLine: function(cashRegister) {
var paymentLines = this.get('paymentLines');
var newPaymentline = new module.Paymentline({},{cashRegister:cashRegister});
if(cashRegister.get('journal').type !== 'cash'){
newPaymentline.set_amount( this.getDueLeft() );
}
paymentLines.add(newPaymentline);
},
getName: function() {
return this.get('name');
},
getSubtotal : function(){
return (this.get('orderLines')).reduce((function(sum, orderLine){
return sum + orderLine.get_display_price();
}), 0);
},
getTotalTaxIncluded: function() {
return (this.get('orderLines')).reduce((function(sum, orderLine) {
return sum + orderLine.get_price_with_tax();
}), 0);
},
getDiscountTotal: function() {
return (this.get('orderLines')).reduce((function(sum, orderLine) {
return sum + (orderLine.get_unit_price() * (orderLine.get_discount()/100) * orderLine.get_quantity());
}), 0);
},
getTotalTaxExcluded: function() {
return (this.get('orderLines')).reduce((function(sum, orderLine) {
return sum + orderLine.get_price_without_tax();
}), 0);
},
getTax: function() {
return (this.get('orderLines')).reduce((function(sum, orderLine) {
return sum + orderLine.get_tax();
}), 0);
},
getPaidTotal: function() {
return (this.get('paymentLines')).reduce((function(sum, paymentLine) {
return sum + paymentLine.get_amount();
}), 0);
},
getChange: function() {
return this.getPaidTotal() - this.getTotalTaxIncluded();
},
getDueLeft: function() {
return this.getTotalTaxIncluded() - this.getPaidTotal();
},
// sets the type of receipt 'receipt'(default) or 'invoice'
set_receipt_type: function(type){
this.receipt_type = type;
},
get_receipt_type: function(){
return this.receipt_type;
},
// the client related to the current order.
set_client: function(client){
this.set('client',client);
},
get_client: function(){
return this.get('client');
},
get_client_name: function(){
var client = this.get('client');
return client ? client.name : "";
},
// the order also stores the screen status, as the PoS supports
// different active screens per order. This method is used to
// store the screen status.
set_screen_data: function(key,value){
if(arguments.length === 2){
this.screen_data[key] = value;
}else if(arguments.length === 1){
for(key in arguments[0]){
this.screen_data[key] = arguments[0][key];
}
}
},
//see set_screen_data
get_screen_data: function(key){
return this.screen_data[key];
},
// exports a JSON for receipt printing
export_for_printing: function(){
var orderlines = [];
this.get('orderLines').each(function(orderline){
orderlines.push(orderline.export_for_printing());
});
var paymentlines = [];
this.get('paymentLines').each(function(paymentline){
paymentlines.push(paymentline.export_for_printing());
});
var client = this.get('client');
var cashier = this.pos.get('cashier') || this.pos.get('user');
var company = this.pos.get('company');
var shop = this.pos.get('shop');
var date = new Date();
return {
orderlines: orderlines,
paymentlines: paymentlines,
subtotal: this.getSubtotal(),
total_with_tax: this.getTotalTaxIncluded(),
total_without_tax: this.getTotalTaxExcluded(),
total_tax: this.getTax(),
total_paid: this.getPaidTotal(),
total_discount: this.getDiscountTotal(),
change: this.getChange(),
name : this.getName(),
client: client ? client.name : null ,
invoice_id: null, //TODO
cashier: cashier ? cashier.name : null,
date: {
year: date.getFullYear(),
month: date.getMonth(),
date: date.getDate(), // day of the month
day: date.getDay(), // day of the week
hour: date.getHours(),
minute: date.getMinutes()
},
company:{
email: company.email,
website: company.website,
company_registry: company.company_registry,
contact_address: company.contact_address,
vat: company.vat,
name: company.name,
phone: company.phone,
},
shop:{
name: shop.name,
},
currency: this.pos.get('currency'),
};
},
exportAsJSON: function() {
var orderLines, paymentLines;
orderLines = [];
(this.get('orderLines')).each(_.bind( function(item) {
return orderLines.push([0, 0, item.export_as_JSON()]);
}, this));
paymentLines = [];
(this.get('paymentLines')).each(_.bind( function(item) {
return paymentLines.push([0, 0, item.export_as_JSON()]);
}, this));
return {
name: this.getName(),
amount_paid: this.getPaidTotal(),
amount_total: this.getTotalTaxIncluded(),
amount_tax: this.getTax(),
amount_return: this.getChange(),
lines: orderLines,
statement_ids: paymentLines,
pos_session_id: this.pos.get('pos_session').id,
partner_id: this.get('client') ? this.get('client').id : undefined,
user_id: this.pos.get('cashier') ? this.pos.get('cashier').id : this.pos.get('user').id,
};
},
getSelectedLine: function(){
return this.selected_orderline;
},
selectLine: function(line){
if(line){
if(line !== this.selected_orderline){
if(this.selected_orderline){
this.selected_orderline.set_selected(false);
}
this.selected_orderline = line;
this.selected_orderline.set_selected(true);
}
}else{
this.selected_orderline = undefined;
}
},
});
module.OrderCollection = Backbone.Collection.extend({
model: module.Order,
});
/*
The numpad handles both the choice of the property currently being modified
(quantity, price or discount) and the edition of the corresponding numeric value.
*/
module.NumpadState = Backbone.Model.extend({
defaults: {
buffer: "0",
mode: "quantity"
},
appendNewChar: function(newChar) {
var oldBuffer;
oldBuffer = this.get('buffer');
if (oldBuffer === '0') {
this.set({
buffer: newChar
});
} else if (oldBuffer === '-0') {
this.set({
buffer: "-" + newChar
});
} else {
this.set({
buffer: (this.get('buffer')) + newChar
});
}
this.trigger('set_value',this.get('buffer'));
},
deleteLastChar: function() {
if(this.get('buffer') === ""){
if(this.get('mode') === 'quantity'){
this.trigger('set_value','remove');
}else{
this.trigger('set_value',this.get('buffer'));
}
}else{
var newBuffer = this.get('buffer').slice(0,-1) || "";
this.set({ buffer: newBuffer });
this.trigger('set_value',this.get('buffer'));
}
},
switchSign: function() {
var oldBuffer;
oldBuffer = this.get('buffer');
this.set({
buffer: oldBuffer[0] === '-' ? oldBuffer.substr(1) : "-" + oldBuffer
});
this.trigger('set_value',this.get('buffer'));
},
changeMode: function(newMode) {
this.set({
buffer: "0",
mode: newMode
});
},
reset: function() {
this.set({
buffer: "0",
mode: "quantity"
});
},
resetValue: function(){
this.set({buffer:'0'});
},
});
}