Implement test version of showing cloud connected printers in list

cura/Settings/MachineManager.py

@@ -527,6 +527,12 @@ class MachineManager(QObject):
             return self._global_container_stack.getMetaDataEntry("um_network_key", "")
         return ""
 
+    @pyqtProperty(str, notify=printerConnectedStatusChanged)
+    def activeMachineCloudKey(self) -> str:
+        if self._global_container_stack:
+            return self._global_container_stack.getMetaDataEntry("um_cloud_cluster_id", "")
+        return ""
+
     @pyqtProperty(str, notify = printerConnectedStatusChanged)
     def activeMachineNetworkGroupName(self) -> str:
         if self._global_container_stack:

plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDeviceManager.py

@@ -116,7 +116,7 @@ class CloudOutputDeviceManager(NetworkClient):
         self._output_device_manager.addOutputDevice(device)
         self._remote_clusters[cluster.cluster_id] = device
         device.connect()  # TODO: remove this
-        self._connectToActiveMachine()
+        self._connectToActiveMachine(cluster.cluster_id, cluster.host_name)
 
     ##  Remove a CloudOutputDevice
     def _removeCloudOutputDevice(self, cluster: CloudCluster):
@@ -124,11 +124,16 @@ class CloudOutputDeviceManager(NetworkClient):
         del self._remote_clusters[cluster.cluster_id]
 
     ##  Callback for when the active machine was changed by the user.
-    def _connectToActiveMachine(self) -> None:
+    def _connectToActiveMachine(self, cluster_id: Optional[str] = None, host_name: Optional[str] = None) -> None:
         active_machine = CuraApplication.getInstance().getGlobalContainerStack()
         if not active_machine:
             return
 
+        # TODO: Remove this once correct pairing has been added (see below).
+        if cluster_id:
+            active_machine.setMetaDataEntry("um_cloud_cluster_id", cluster_id)
+            active_machine.setMetaDataEntry("connect_group_name", host_name)
+        
         # Check if the stored cluster_id for the active machine is in our list of remote clusters.
         stored_cluster_id = active_machine.getMetaDataEntry("um_cloud_cluster_id")
         if stored_cluster_id in self._remote_clusters.keys():

resources/qml/Menus/CloudPrinterMenu.qml

@@ -0,0 +1,26 @@
+// Copyright (c) 2018 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+import QtQuick 2.2
+import QtQuick.Controls 1.4
+
+import UM 1.2 as UM
+import Cura 1.0 as Cura
+
+Instantiator {
+
+    model: UM.ContainerStacksModel {
+        filter: {"type": "machine", "um_cloud_cluster_id": "*", "hidden": "False"}
+    }
+
+    MenuItem {
+        // iconSource: UM.Theme.getIcon("printer_single") TODO: use cloud icon here
+        text: model.name
+        checkable: true
+        checked: true // cloud printers are only listed if they are actually online
+        exclusiveGroup: group;
+        onTriggered: Cura.MachineManager.setActiveMachine(model.id);
+    }
+
+    onObjectAdded: menu.insertItem(index, object)
+    onObjectRemoved: menu.removeItem(object)
+}

resources/qml/Menus/PrinterMenu.qml

@@ -37,6 +37,23 @@ Menu
         visible: networkPrinterMenu.count > 0
     }
 
+    MenuItem
+    {
+        text: catalog.i18nc("@label:category menu label", "Cloud enabled printers")
+        enabled: false
+        visible: cloudPrinterMenu.count > 0
+    }
+
+    CloudPrinterMenu
+    {
+        id: cloudPrinterMenu
+    }
+
+    MenuSeparator
+    {
+        visible: cloudPrinterMenu.count > 0
+    }
+
     MenuItem
     {
         text: catalog.i18nc("@label:category menu label", "Local printers")

resources/qml/PrinterSelector/MachineSelectorList.qml

@@ -50,6 +50,46 @@ Column
         }
     }
 
+    Label
+    {
+        text: catalog.i18nc("@label", "Cloud connected printers")
+        visible: cloudPrintersModel.items.length > 0
+        leftPadding: UM.Theme.getSize("default_margin").width
+        height: visible ? contentHeight + 2 * UM.Theme.getSize("default_margin").height : 0
+        renderType: Text.NativeRendering
+        font: UM.Theme.getFont("medium")
+        color: UM.Theme.getColor("text_medium")
+        verticalAlignment: Text.AlignVCenter
+    }
+
+    Repeater
+    {
+        id: cloudPrinters
+
+        model: UM.ContainerStacksModel
+        {
+            id: cloudPrintersModel
+            filter:
+            {
+                "type": "machine",
+                "um_cloud_cluster_id": "*"
+            }
+        }
+
+        delegate: MachineSelectorButton
+        {
+            text: model.metadata["connect_group_name"]
+            checked: Cura.MachineManager.activeMachineNetworkGroupName == model.metadata["connect_group_name"]
+            outputDevice: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
+
+            Connections
+            {
+                target: Cura.MachineManager
+                onActiveMachineNetworkGroupNameChanged: checked = Cura.MachineManager.activeMachineNetworkGroupName == model.metadata["connect_group_name"]
+            }
+        }
+    }
+
     Label
     {
         text: catalog.i18nc("@label", "Preset printers")
@@ -71,7 +111,9 @@ Column
             id: virtualPrintersModel
             filter:
             {
-                "type": "machine", "um_network_key": null
+                "type": "machine",
+                "um_network_key": null,
+                "um_cloud_cluster_id": null
             }
         }