If output device has a contorl item, that one is used.

If a printerOutput device does not define anything, the fallback is used.

CURA-4057

cura/PrinterOutputDevice.py

@@ -144,7 +144,7 @@ class PrinterOutputDevice(QObject, OutputDevice):
         return self._control_item
 
     def _createControlViewFromQML(self):
-        path = QUrl.fromLocalFile(self._monitor_view_qml_path)
+        path = QUrl.fromLocalFile(self._control_view_qml_path)
 
         # Because of garbage collection we need to keep this referenced by python.
         self._control_component = QQmlComponent(Application.getInstance()._engine, path)

plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py

@@ -179,7 +179,6 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
 
         self._compressing_print = False
         self._monitor_view_qml_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "MonitorItem.qml")
-
         printer_type = self._properties.get(b"machine", b"").decode("utf-8")
         if printer_type.startswith("9511"):
             self._updatePrinterType("ultimaker3_extended")

resources/qml/Sidebar.qml

@@ -20,6 +20,7 @@ Rectangle
     // Is there an output device for this printer?
     property bool printerConnected: Cura.MachineManager.printerOutputDevices.length != 0
     property bool printerAcceptsCommands: printerConnected && Cura.MachineManager.printerOutputDevices[0].acceptsCommands
+    property var connectedPrinter: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
     property int backendState: UM.Backend.state;
 
     property bool monitoringPrint: false
@@ -344,11 +345,47 @@ Rectangle
 
     Loader
     {
+        id: controlItem
         anchors.bottom: footerSeparator.top
         anchors.top: headerSeparator.bottom
         anchors.left: base.left
         anchors.right: base.right
-        source: monitoringPrint ? "PrintMonitor.qml": "SidebarContents.qml"
+        sourceComponent:
+        {
+            if(monitoringPrint && connectedPrinter != null)
+            {
+                if(connectedPrinter.controlItem != null)
+                {
+                    return connectedPrinter.controlItem
+                }
+            }
+            return null
+        }
+    }
+
+    Loader
+    {
+        anchors.bottom: footerSeparator.top
+        anchors.top: headerSeparator.bottom
+        anchors.left: base.left
+        anchors.right: base.right
+        source:
+        {
+            if(controlItem.sourceComponent == null)
+            {
+                if(monitoringPrint)
+                {
+                    return "PrintMonitor.qml"
+                } else
+                {
+                    return "SidebarContents.qml"
+                }
+            }
+            else
+            {
+                return ""
+            }
+        }
     }
 
     Rectangle