Make MachineSelector more generic by detaching logic from view

By detaching the logic from the view custom handlers can be added to selecting printers. This was needed as the MachineSelector in the `WorkspaceDialog` needed to do something different from the `PreparMenu`.

CURA-9424

resources/qml/PrinterSelector/MachineSelector.qml

@@ -11,12 +11,25 @@ Cura.ExpandablePopup
 {
     id: machineSelector
 
-    property bool isNetworkPrinter: Cura.MachineManager.activeMachineHasNetworkConnection
-    property bool isConnectedCloudPrinter: Cura.MachineManager.activeMachineHasCloudConnection
-    property bool isCloudRegistered: Cura.MachineManager.activeMachineHasCloudRegistration
-    property bool isGroup: Cura.MachineManager.activeMachineIsGroup
+    property Cura.MachineManager machineManager
+    property bool isNetworkPrinter: machineManager.activeMachineHasNetworkConnection
+    property bool isConnectedCloudPrinter: machineManager.activeMachineHasCloudConnection
+    property bool isCloudRegistered: machineManager.activeMachineHasCloudRegistration
+    property bool isGroup: machineManager.activeMachineIsGroup
+    property string machineName: {
+        if (isNetworkPrinter && machineManager.activeMachineNetworkGroupName != "")
+        {
+            return machineManager.activeMachineNetworkGroupName
+        }
+        if (machineManager.activeMachine != null)
+        {
+            return machineManager.activeMachine.name
+        }
+        return ""
+    }
 
     property alias machineListModel: machineSelectorList.model
+    property alias onSelectPrinter: machineSelectorList.onSelectPrinter
 
     property list<Item> buttons
 
@@ -46,7 +59,7 @@ Cura.ExpandablePopup
             {
                 if (Cura.API.account.isLoggedIn)
                 {
-                    if (Cura.MachineManager.activeMachineIsLinkedToCurrentAccount)
+                    if (machineManager.activeMachineIsLinkedToCurrentAccount)
                     {
                         return catalog.i18nc("@status", "The cloud printer is offline. Please check if the printer is turned on and connected to the internet.")
                     }
@@ -59,7 +72,8 @@ Cura.ExpandablePopup
                 {
                     return catalog.i18nc("@status", "The cloud connection is currently unavailable. Please sign in to connect to the cloud printer.")
                 }
-            } else
+            }
+            else
             {
                 return catalog.i18nc("@status", "The cloud connection is currently unavailable. Please check your internet connection.")
             }
@@ -81,18 +95,8 @@ Cura.ExpandablePopup
 
     headerItem: Cura.IconWithText
     {
-        text:
-        {
-            if (isNetworkPrinter && Cura.MachineManager.activeMachineNetworkGroupName != "")
-            {
-                return Cura.MachineManager.activeMachineNetworkGroupName
-            }
-            if(Cura.MachineManager.activeMachine != null)
-            {
-                return Cura.MachineManager.activeMachine.name
-            }
-            return ""
-        }
+        text: machineName
+
         source:
         {
             if (isGroup)

resources/qml/PrinterSelector/MachineSelectorList.qml

@@ -12,6 +12,7 @@ ListView
     id: listView
     section.property: "isOnline"
     property real contentHeight: childrenRect.height
+    property var onSelectPrinter
 
     ScrollBar.vertical: UM.ScrollBar
     {
@@ -42,8 +43,7 @@ ListView
                     listView.model.setShowCloudPrinters(true);
                     break;
                 case "MACHINE":
-                    toggleContent()
-                    Cura.MachineManager.setActiveMachine(model.id)
+                    if (typeof onSelectPrinter === "function") onSelectPrinter(model);
                     break;
                 default:
             }