qml: open invoices list after saving invoice, add invoice to model instead of reloading the whole list

Author: accumulator

electrum/gui/qml/components/InvoiceDialog.qml

@@ -1,4 +1,4 @@
-import QtQuick 2.6
+import QtQuick 2.12
 import QtQuick.Layouts 1.0
 import QtQuick.Controls 2.14
 import QtQuick.Controls.Material 2.0
@@ -299,6 +299,7 @@ ElDialog {
                 visible: invoice_key == ''
                 enabled: invoice.canSave
                 onClicked: {
+                    app.stack.push(Qt.resolvedUrl('Invoices.qml'))
                     invoice.save_invoice()
                     dialog.close()
                 }

electrum/gui/qml/components/Invoices.qml

@@ -46,6 +46,14 @@ Pane {
                     }
                 }
 
+                add: Transition {
+                    NumberAnimation { properties: 'scale'; from: 0.75; to: 1; duration: 500 }
+                    NumberAnimation { properties: 'opacity'; from: 0; to: 1; duration: 500 }
+                }
+                addDisplaced: Transition {
+                    SpringAnimation { properties: 'y'; duration: 200; spring: 5; damping: 0.5; mass: 2 }
+                }
+
                 remove: Transition {
                     NumberAnimation { properties: 'scale'; to: 0.75; duration: 300 }
                     NumberAnimation { properties: 'opacity'; to: 0; duration: 300 }

electrum/gui/qml/components/WalletMainView.qml

@@ -193,7 +193,7 @@ Item {
         }
 
         onInvoiceSaved: {
-            Daemon.currentWallet.invoiceModel.init_model()
+            Daemon.currentWallet.invoiceModel.addInvoice(key)
         }
     }
 

electrum/gui/qml/qeinvoice.py

@@ -123,7 +123,7 @@ class QEInvoiceParser(QEInvoice):
     _userinfo = ''
 
     invoiceChanged = pyqtSignal()
-    invoiceSaved = pyqtSignal()
+    invoiceSaved = pyqtSignal([str], arguments=['key'])
 
     validationSuccess = pyqtSignal()
     validationWarning = pyqtSignal([str,str], arguments=['code', 'message'])
@@ -493,7 +493,7 @@ def save_invoice(self):
         # TODO detect duplicate?
         self.key = self._effectiveInvoice.get_id()
         self._wallet.wallet.save_invoice(self._effectiveInvoice)
-        self.invoiceSaved.emit()
+        self.invoiceSaved.emit(self.key)
 
 
 class QEUserEnteredPayment(QEInvoice):

electrum/gui/qml/qeinvoicelistmodel.py

@@ -68,6 +68,10 @@ def add_invoice(self, invoice: Invoice):
         self.invoices.insert(0, item)
         self.endInsertRows()
 
+    @pyqtSlot(str)
+    def addInvoice(self, key):
+        self.add_invoice(self.get_invoice_for_key(key))
+
     def delete_invoice(self, key: str):
         i = 0
         for invoice in self.invoices: