Simplify checking if cloud or network printer, small fixes

cura/PrinterOutput/NetworkedPrinterOutputDevice.py

@@ -150,6 +150,11 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
         request.setHeader(QNetworkRequest.UserAgentHeader, self._user_agent)
         return request
 
+    ##  This method was only available privately before, but it was actually called from SendMaterialJob.py.
+    #   We now have a public equivalent as well. We did not remove the private one as plugins might be using that.
+    def createFormPart(self, content_header: str, data: bytes, content_type: Optional[str] = None) -> QHttpPart:
+        return self._createFormPart(content_header, data, content_type)
+
     def _createFormPart(self, content_header: str, data: bytes, content_type: Optional[str] = None) -> QHttpPart:
         part = QHttpPart()
 

cura/Settings/MachineManager.py

@@ -533,14 +533,14 @@ class MachineManager(QObject):
         return False
 
     @pyqtProperty(bool, notify = printerConnectedStatusChanged)
-    def activeMachineHasCloudConnection(self) -> bool:
-        # A cloud connection is only available if the active output device actually is a cloud connected device.
-        # We cannot simply use the connection_type metadata entry as that's always set to 'NetworkConnection'
-        # if there was a network connection during setup, which is always the case.
-        output_device = next(iter(self._printer_output_devices), None)  # type: Optional[PrinterOutputDevice]
-        if not output_device:
-            return False
-        return output_device.connectionType == ConnectionType.CloudConnection
+    def activeMachineHasActiveNetworkConnection(self) -> bool:
+        # A network connection is only available if any output device is actually a network connected device.
+        return any(d.connectionType == ConnectionType.NetworkConnection for d in self._printer_output_devices)
+
+    @pyqtProperty(bool, notify = printerConnectedStatusChanged)
+    def activeMachineHasActiveCloudConnection(self) -> bool:
+        # A cloud connection is only available if any output device actually is a cloud connected device.
+        return any(d.connectionType == ConnectionType.CloudConnection for d in self._printer_output_devices)
 
     def activeMachineNetworkKey(self) -> str:
         if self._global_container_stack:

plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py

@@ -246,7 +246,8 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         if self._printers and not self._active_printer:
             self.setActivePrinter(self._printers[0])
 
-        self.printersChanged.emit()  # TODO: Make this more efficient by not updating every request
+        if added_printers or removed_printers or updated_printers:
+            self.printersChanged.emit()
 
     ## Updates the local list of print jobs with the list received from the cloud.
     #  \param jobs: The print jobs received from the cloud.
@@ -302,10 +303,10 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
     ## Updates the printer assignment for the given print job model.
     def _updateAssignedPrinter(self, model: UM3PrintJobOutputModel, printer_uuid: str) -> None:
         printer = next((p for p in self._printers if printer_uuid == p.key), None)
-
         if not printer:
-            return Logger.log("w", "Missing printer %s for job %s in %s", model.assignedPrinter, model.key,
-                              [p.key for p in self._printers])
+            Logger.log("w", "Missing printer %s for job %s in %s", model.assignedPrinter, model.key,
+                            [p.key for p in self._printers])
+            return
 
         printer.updateActivePrintJob(model)
         model.updateAssignedPrinter(printer)
@@ -329,11 +330,7 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
     def _onUploadError(self, message = None) -> None:
         self._progress.hide()
         self._uploaded_print_job = None
-        Message(
-            text = message or T.UPLOAD_ERROR,
-            title = T.ERROR,
-            lifetime = 10
-        ).show()
+        Message(text = message or T.UPLOAD_ERROR, title = T.ERROR, lifetime = 10).show()
         self.writeError.emit()
 
     ## Shows a message when the upload has succeeded
@@ -341,11 +338,7 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
     def _onPrintRequested(self, response: CloudPrintResponse) -> None:
         Logger.log("d", "The cluster will be printing this print job with the ID %s", response.cluster_job_id)
         self._progress.hide()
-        Message(
-            text = T.UPLOAD_SUCCESS_TEXT,
-            title = T.UPLOAD_SUCCESS_TITLE,
-            lifetime = 5
-        ).show()
+        Message(text = T.UPLOAD_SUCCESS_TEXT, title = T.UPLOAD_SUCCESS_TITLE, lifetime = 5).show()
         self.writeFinished.emit()
 
     ##  Gets the remote printers.

plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py

@@ -389,10 +389,8 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
 
     ##  Called when the connection to the cluster changes.
     def connect(self) -> None:
-        # TODO: uncomment this once cloud implementation works for testing
-        # super().connect()
-        # self.sendMaterialProfiles()
-        pass
+        super().connect()
+        self.sendMaterialProfiles()
 
     def _onGetPreviewImageFinished(self, reply: QNetworkReply) -> None:
         reply_url = reply.url().toString()

resources/qml/PrinterSelector/MachineSelector.qml

@@ -12,9 +12,9 @@ Cura.ExpandablePopup
     id: machineSelector
 
     property var outputDevice: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
-    property bool isNetworkPrinter: Cura.MachineManager.activeMachineHasRemoteConnection
-    property bool isCloudPrinter: Cura.MachineManager.activeMachineHasCloudConnection
     property bool isPrinterConnected: Cura.MachineManager.printerConnected
+    property bool isNetworkPrinter: Cura.MachineManager.activeMachineHasActiveNetworkConnection
+    property bool isCloudPrinter: Cura.MachineManager.activeMachineHasActiveCloudConnection
 
     contentPadding: UM.Theme.getSize("default_lining").width
     contentAlignment: Cura.ExpandablePopup.ContentAlignment.AlignLeft