Cluster can now "target" one of it's printers for display

CL-541

plugins/UM3NetworkPrinting/ClusterMonitorItem.qml

@@ -62,7 +62,6 @@ Component
             }
         }
 
-
         ScrollView
         {
             id: printerScrollView
@@ -93,10 +92,10 @@ Component
             }
         }
 
-        /*PrinterVideoStream
+        PrinterVideoStream
         {
-            visible: OutputDevice.selectedPrinterName != ""
+            visible: OutputDevice.activePrinter != null
             anchors.fill:parent
-        }*/
+        }
     }
 }

plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py

@@ -15,10 +15,12 @@ from cura.PrinterOutput.MaterialOutputModel import MaterialOutputModel
 
 from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
 from PyQt5.QtGui import QDesktopServices
-from PyQt5.QtCore import pyqtSlot, QUrl, pyqtSignal, pyqtProperty
+from PyQt5.QtCore import pyqtSlot, QUrl, pyqtSignal, pyqtProperty, QObject
 
 from time import time
 from datetime import datetime
+from typing import Optional
+
 import json
 import os
 
@@ -27,6 +29,7 @@ i18n_catalog = i18nCatalog("cura")
 
 class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
     printJobsChanged = pyqtSignal()
+    activePrinterChanged = pyqtSignal()
 
     # This is a bit of a hack, as the notify can only use signals that are defined by the class that they are in.
     # Inheritance doesn't seem to work. Tying them together does work, but i'm open for better suggestions.
@@ -54,6 +57,8 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
         self._error_message = None
         self._progress_message = None
 
+        self._active_printer = None  # type: Optional[PrinterOutputModel]
+
     def requestWrite(self, nodes, file_name=None, filter_by_machine=False, file_handler=None, **kwargs):
         # Notify the UI that a switch to the print monitor should happen
         Application.getInstance().showPrintMonitor.emit(True)
@@ -105,11 +110,20 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
 
         self.postFormWithParts("print_jobs/", parts, onFinished=self._onPostPrintJobFinished, onProgress=self._onUploadPrintJobProgress)
 
+    @pyqtProperty(QObject, notify=activePrinterChanged)
+    def activePrinter(self) -> Optional["PrinterOutputModel"]:
+        return self._active_printer
+
+    @pyqtSlot(QObject)
+    def setActivePrinter(self, printer):
+        if self._active_printer != printer:
+            self._active_printer = printer
+            self.activePrinterChanged.emit()
+
     def _onPostPrintJobFinished(self, reply):
         self._progress_message.hide()
         self._compressing_gcode = False
         self._sending_gcode = False
-        Application.getInstance().showPrintMonitor.emit(False)
 
     def _onUploadPrintJobProgress(self, bytes_sent, bytes_total):
         if bytes_total > 0:

plugins/UM3NetworkPrinting/PrinterInfoBlock.qml

@@ -61,11 +61,11 @@ Rectangle
     {
         id: mouse
         anchors.fill:parent
-        onClicked: OutputDevice.selectPrinter(printer.unique_name, printer.friendly_name)
+        onClicked: OutputDevice.setActivePrinter(printer)
         hoverEnabled: true;
 
         // Only clickable if no printer is selected
-        enabled: OutputDevice.selectedPrinterName == "" && printer.state !== "unreachable"
+        enabled: OutputDevice.activePrinter == null && printer.state !== "unreachable"
     }
 
     Row

plugins/UM3NetworkPrinting/PrinterVideoStream.qml

@@ -17,7 +17,7 @@ Item
     MouseArea
     {
       anchors.fill: parent
-      onClicked: OutputDevice.selectAutomaticPrinter()
+      onClicked: OutputDevice.setActivePrinter(null)
       z: 0
     }
 

resources/qml/MonitorButton.qml

@@ -70,8 +70,10 @@ Item
 
     property variant statusColor:
     {
-        if(!printerConnected || !printerAcceptsCommands)
+        if(!printerConnected || !printerAcceptsCommands || activePrinter == null)
+        {
             return UM.Theme.getColor("text");
+        }
 
         switch(activePrinter.state)
         {
@@ -117,7 +119,10 @@ Item
         }
 
         var printerOutputDevice = Cura.MachineManager.printerOutputDevices[0]
-
+        if(activePrinter == null)
+        {
+            return "";
+        }
         if(activePrinter.state == "maintenance")
         {
             return catalog.i18nc("@label:MonitorStatus", "In maintenance. Please check the printer");
@@ -262,7 +267,7 @@ Item
             property bool userClicked: false
             property string lastJobState: ""
 
-            visible: printerConnected && activePrinter.canPause
+            visible: printerConnected && activePrinter != null &&activePrinter.canPause
             enabled: (!userClicked) && printerConnected && printerAcceptsCommands && activePrintJob != null &&
                      (["paused", "printing"].indexOf(activePrintJob.state) >= 0)
 
@@ -305,7 +310,7 @@ Item
         {
             id: abortButton
 
-            visible: printerConnected && activePrinter.canAbort
+            visible: printerConnected && activePrinter != null && activePrinter.canAbort
             enabled: printerConnected && printerAcceptsCommands && activePrintJob != null &&
                      (["paused", "printing", "pre_print"].indexOf(activePrintJob.state) >= 0)