#4665 Clear payment lines if return to POS products screen

lacagette_addons/lacagette_custom_pos/__openerp__.py

@@ -25,7 +25,7 @@
     # Check https://github.com/odoo/odoo/blob/master/openerp/addons/base/module/module_data.xml
     # for the full list
     'category': 'POS',
-    'version': '0.0.1',
+    'version': '0.0.2',
 
     # any module necessary for this one to work correctly
     'depends': ['base', 'point_of_sale'],

lacagette_addons/lacagette_custom_pos/static/src/js/backend.js

@@ -40,9 +40,21 @@ odoo.define('lacagette_custom_pos.DB', function(require) {
     	}
     });
 
-    /* Custom behavior on barcode error */
+    /* Custom behavior on barcode error and return to products*/
     var popups = require('point_of_sale.popups');
     var gui = require('point_of_sale.gui');
+    let payment_this  = null;
+
+    let empty_payments_lines = function(self) {
+      // Every payment line is removed (partially taken from odoo/addons/point_of_sale/static/src/js/screens.js)
+      // payment_this is initialized during screens.PaymentScreenWidget.start()
+      var lines = payment_this.pos.get_order().get_paymentlines();
+      for ( var i = 0; i < lines.length; i++ ) {
+        payment_this.pos.get_order().remove_paymentline(lines[i]);
+        payment_this.reset_input();
+        payment_this.render_paymentlines();
+      }
+    }
 
     // Custom popup definition
     var CustomErrorBarcodePopupWidget = popups.extend({
@@ -64,6 +76,18 @@ odoo.define('lacagette_custom_pos.DB', function(require) {
     });
     gui.define_popup({name:'custom-error-barcode', widget: CustomErrorBarcodePopupWidget});
 
+    var CustomReturnToOrderMessageWidget = popups.extend({
+        template:'CustomReturnToOrderMessageWidget',
+        show: function(options) {
+          var self = this;
+          this._super(options);
+          this.$('.return-to-order').off('click').click(function(){
+            empty_payments_lines()
+            self.gui.show_screen("products");
+          });
+        }
+    });
+    gui.define_popup({name:'custom-return-to-order', widget: CustomReturnToOrderMessageWidget});
 
     var screens = require('point_of_sale.screens');
 
@@ -112,6 +136,19 @@ odoo.define('lacagette_custom_pos.DB', function(require) {
           }
       }
     })
+    
+    /** Init payment screen **/
+    screens.PaymentScreenWidget.include({
+      start: function() {
+            var self = this;
+            payment_this = self;
+            $('.payment-screen .top-content .back').off();
+            $(document).on('click', '.payment-screen .top-content .back', function(event){
+              self.gui.show_popup('custom-return-to-order');
+            });
+            empty_payments_lines();
+      }
+    })
 
     /* Make search input loose focus after 5s without a key press */
     screens.ProductCategoriesWidget.include({

lacagette_addons/lacagette_custom_pos/static/src/xml/qweb.xml

@@ -25,4 +25,24 @@
           </div>
       </div>
   </div>
+  <div t-name="CustomReturnToOrderMessageWidget">
+      <div class="modal-dialog">
+          <div class="popup popup-return-warning">
+              <p class="title">
+                Attention !
+              </p>
+              <p class="body">
+                  Les paiements seront réinitialisés si vous retournez au panier.
+              </p>
+              <div class="footer">
+                  <div class="button cancel">
+                      Annuler
+                  </div>
+                  <div class="button return-to-order">
+                    Retour au panier
+                  </div>
+              </div>
+          </div>
+      </div>
+  </div>
 </template>