Hedera.DeliveryNote = new Class({ Extends: Hedera.Report, onTicketReady: function(form) { if (form.get('method') != 'PICKUP') Vn.Node.setText(this.$('method'), _('Agency')); else Vn.Node.setText(this.$('method'), _('Warehouse')); }, discountRenderer: function(column, form) { column.value = form.get('discount') ? form.get('discount') : null; }, subtotalRenderer: function(column, form) { column.value = this.subtotal(form); }, subtotal: function(form) { var price = form.get('price'); var discount = form.get('discount'); return form.get('quantity') * price *((100 - discount) / 100); }, onPackagesChanged: function(model) { this.$('packages').node.style.display = model.numRows > 0 ? 'block' : 'none'; } });