Merge branch 'master' of https://github.com/Ultimaker/Cura

cura/CuraApplication.py

@@ -1,6 +1,5 @@
 # Copyright (c) 2017 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-
 from PyQt5.QtNetwork import QLocalServer
 from PyQt5.QtNetwork import QLocalSocket
 
@@ -32,6 +31,7 @@ from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
 from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
 from UM.Operations.GroupedOperation import GroupedOperation
 from UM.Operations.SetTransformOperation import SetTransformOperation
+
 from cura.Arrange import Arrange
 from cura.ShapeArray import ShapeArray
 from cura.ConvexHullDecorator import ConvexHullDecorator
@@ -128,6 +128,7 @@ class CuraApplication(QtApplication):
     stacksValidationFinished = pyqtSignal()  # Emitted whenever a validation is finished
 
     def __init__(self):
+
         # this list of dir names will be used by UM to detect an old cura directory
         for dir_name in ["extruders", "machine_instances", "materials", "plugins", "quality", "user", "variants"]:
             Resources.addExpectedDirNameInData(dir_name)
@@ -156,7 +157,6 @@ class CuraApplication(QtApplication):
 
         SettingDefinition.addSettingType("extruder", None, str, Validator)
         SettingDefinition.addSettingType("optional_extruder", None, str, None)
-
         SettingDefinition.addSettingType("[int]", None, str, None)
 
         SettingFunction.registerOperator("extruderValues", ExtruderManager.getExtruderValues)
@@ -181,7 +181,8 @@ class CuraApplication(QtApplication):
         ContainerRegistry.getInstance().addResourceType(self.ResourceTypes.DefinitionChangesContainer)
 
         ##  Initialise the version upgrade manager with Cura's storage paths.
-        import UM.VersionUpgradeManager #Needs to be here to prevent circular dependencies.
+        #   Needs to be here to prevent circular dependencies.
+        import UM.VersionUpgradeManager
 
         UM.VersionUpgradeManager.VersionUpgradeManager.getInstance().setCurrentVersions(
             {
@@ -227,7 +228,9 @@ class CuraApplication(QtApplication):
             "TranslateTool",
             "FileLogger",
             "XmlMaterialProfile",
-            "PluginBrowser"
+            "PluginBrowser",
+            "PrepareStage",
+            "MonitorStage"
         ])
         self._physics = None
         self._volume = None
@@ -388,7 +391,6 @@ class CuraApplication(QtApplication):
     def needToShowUserAgreement(self):
         return self._need_to_show_user_agreement
 
-
     def setNeedToShowUserAgreement(self, set_value = True):
         self._need_to_show_user_agreement = set_value
 
@@ -666,14 +668,14 @@ class CuraApplication(QtApplication):
 
         controller = self.getController()
 
+        controller.setActiveStage("PrepareStage")
         controller.setActiveView("SolidView")
-
         controller.setCameraTool("CameraTool")
         controller.setSelectionTool("SelectionTool")
 
         t = controller.getTool("TranslateTool")
         if t:
-            t.setEnabledAxis([ToolHandle.XAxis, ToolHandle.YAxis,ToolHandle.ZAxis])
+            t.setEnabledAxis([ToolHandle.XAxis, ToolHandle.YAxis, ToolHandle.ZAxis])
 
         Selection.selectionChanged.connect(self.onSelectionChanged)
 
@@ -717,6 +719,7 @@ class CuraApplication(QtApplication):
         run_headless = self.getCommandLineOption("headless", False)
         if not run_headless:
             self.initializeEngine()
+            controller.setActiveStage("PrepareStage")
 
         if run_headless or self._engine.rootObjects:
             self.closeSplash()

cura/Stages/CuraStage.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from PyQt5.QtCore import pyqtProperty, QUrl, QObject
+
+from UM.Stage import Stage
+
+class CuraStage(Stage):
+
+    def __init__(self, parent = None):
+        super().__init__(parent)
+
+    @pyqtProperty(str, constant = True)
+    def stageId(self):
+        return self.getPluginId()
+
+    @pyqtProperty(QUrl, constant = True)
+    def mainComponent(self):
+        return self.getDisplayComponent("main")
+
+    @pyqtProperty(QUrl, constant = True)
+    def sidebarComponent(self):
+        return self.getDisplayComponent("sidebar")

cura/Stages/__init__.py

@@ -0,0 +1,2 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.

cura_app.py

@@ -22,9 +22,10 @@ if Platform.isLinux(): # Needed for platform.linux_distribution, which is not av
 if Platform.isWindows() and hasattr(sys, "frozen"):
     try:
         del os.environ["PYTHONPATH"]
-    except KeyError: pass
+    except KeyError:
+        pass
 
-#WORKAROUND: GITHUB-704 GITHUB-708
+# WORKAROUND: GITHUB-704 GITHUB-708
 # It looks like setuptools creates a .pth file in
 # the default /usr/lib which causes the default site-packages
 # to be inserted into sys.path before PYTHONPATH.
@@ -45,6 +46,7 @@ def exceptHook(hook_type, value, traceback):
     _crash_handler = CrashHandler(hook_type, value, traceback)
     _crash_handler.show()
 
+
 sys.excepthook = exceptHook
 
 # Workaround for a race condition on certain systems where there
@@ -75,7 +77,7 @@ faulthandler.enable()
 # Force an instance of CuraContainerRegistry to be created and reused later.
 cura.Settings.CuraContainerRegistry.CuraContainerRegistry.getInstance()
 
-# This prestart up check is needed to determine if we should start the application at all.
+# This pre-start up check is needed to determine if we should start the application at all.
 if not cura.CuraApplication.CuraApplication.preStartUp():
     sys.exit(0)
 

plugins/MonitorStage/MonitorMainView.qml

@@ -0,0 +1,39 @@
+// Copyright (c) 2017 Ultimaker B.V.
+
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+
+import UM 1.3 as UM
+import Cura 1.0 as Cura
+
+Item
+{
+    // We show a nice overlay on the 3D viewer when the current output device has no monitor view
+    Rectangle
+    {
+        id: viewportOverlay
+
+        color: UM.Theme.getColor("viewport_overlay")
+        width: parent.width
+        height: parent.height
+        visible: monitorViewComponent.sourceComponent == null ? 1 : 0
+
+        MouseArea
+        {
+            anchors.fill: parent
+            acceptedButtons: Qt.AllButtons
+            onWheel: wheel.accepted = true
+        }
+    }
+
+    Loader
+    {
+        id: monitorViewComponent
+
+        property real maximumWidth: parent.width
+        property real maximumHeight: parent.height
+
+        sourceComponent: Cura.MachineManager.printerOutputDevices.length > 0 ? Cura.MachineManager.printerOutputDevices[0].monitorItem: null
+        visible: sourceComponent != null
+    }
+}

plugins/MonitorStage/MonitorStage.py

@@ -0,0 +1,73 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+import os.path
+from UM.Application import Application
+from UM.PluginRegistry import PluginRegistry
+from UM.Resources import Resources
+from cura.Stages.CuraStage import CuraStage
+
+
+##  Stage for monitoring a 3D printing while it's printing.
+class MonitorStage(CuraStage):
+
+    def __init__(self, parent = None):
+        super().__init__(parent)
+
+        # Wait until QML engine is created, otherwise creating the new QML components will fail
+        Application.getInstance().engineCreatedSignal.connect(self._setComponents)
+
+        # Update the status icon when the output device is changed
+        Application.getInstance().getOutputDeviceManager().activeDeviceChanged.connect(self._setIconSource)
+
+    def _setComponents(self):
+        self._setMainOverlay()
+        self._setSidebar()
+        self._setIconSource()
+
+    def _setMainOverlay(self):
+        main_component_path = os.path.join(PluginRegistry.getInstance().getPluginPath("MonitorStage"), "MonitorMainView.qml")
+        self.addDisplayComponent("main", main_component_path)
+
+    def _setSidebar(self):
+        # TODO: currently the sidebar component for prepare and monitor stages is the same, this will change with the printer output device refactor!
+        sidebar_component_path = os.path.join(Resources.getPath(Application.getInstance().ResourceTypes.QmlFiles), "Sidebar.qml")
+        self.addDisplayComponent("sidebar", sidebar_component_path)
+
+    def _setIconSource(self):
+        if Application.getInstance().getTheme() is not None:
+            icon_name = self._getActiveOutputDeviceStatusIcon()
+            self.setIconSource(Application.getInstance().getTheme().getIcon(icon_name))
+
+    ##  Find the correct status icon depending on the active output device state
+    def _getActiveOutputDeviceStatusIcon(self):
+        output_device = Application.getInstance().getOutputDeviceManager().getActiveDevice()
+
+        if not output_device:
+            return "tab_status_unknown"
+
+        if hasattr(output_device, "acceptsCommands") and not output_device.acceptsCommands:
+            return "tab_status_unknown"
+
+        if not hasattr(output_device, "printerState") or not hasattr(output_device, "jobState"):
+            return "tab_status_unknown"
+
+        # TODO: refactor to use enum instead of hardcoded strings?
+        if output_device.printerState == "maintenance":
+            return "tab_status_busy"
+
+        if output_device.jobState in ["printing", "pre_print", "pausing", "resuming"]:
+            return "tab_status_busy"
+
+        if output_device.jobState == "wait_cleanup":
+            return "tab_status_finished"
+
+        if output_device.jobState in ["ready", ""]:
+            return "tab_status_connected"
+
+        if output_device.jobState == "paused":
+            return "tab_status_paused"
+
+        if output_device.jobState == "error":
+            return "tab_status_stopped"
+
+        return "tab_status_unknown"

plugins/MonitorStage/__init__.py

@@ -0,0 +1,20 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from . import MonitorStage
+
+from UM.i18n import i18nCatalog
+i18n_catalog = i18nCatalog("cura")
+
+def getMetaData():
+    return {
+        "stage": {
+            "name": i18n_catalog.i18nc("@item:inmenu", "Monitor"),
+            "weight": 1
+        }
+    }
+
+def register(app):
+    return {
+        "stage": MonitorStage.MonitorStage()
+    }

plugins/MonitorStage/plugin.json

@@ -0,0 +1,8 @@
+{
+    "name": "Monitor Stage",
+    "author": "Ultimaker B.V.",
+    "version": "1.0.0",
+    "description": "Provides a monitor stage in Cura.",
+    "api": 4,
+    "i18n-catalog": "cura"
+}

plugins/PrepareStage/PrepareStage.py

@@ -0,0 +1,18 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+import os.path
+from UM.Application import Application
+from UM.Resources import Resources
+from cura.Stages.CuraStage import CuraStage
+
+
+##  Stage for preparing model (slicing).
+class PrepareStage(CuraStage):
+
+    def __init__(self, parent = None):
+        super().__init__(parent)
+        Application.getInstance().engineCreatedSignal.connect(self._engineCreated)
+
+    def _engineCreated(self):
+        sidebar_component_path = os.path.join(Resources.getPath(Application.getInstance().ResourceTypes.QmlFiles), "Sidebar.qml")
+        self.addDisplayComponent("sidebar", sidebar_component_path)

plugins/PrepareStage/__init__.py

@@ -0,0 +1,20 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from . import PrepareStage
+
+from UM.i18n import i18nCatalog
+i18n_catalog = i18nCatalog("cura")
+
+def getMetaData():
+    return {
+        "stage": {
+            "name": i18n_catalog.i18nc("@item:inmenu", "Prepare"),
+            "weight": 0
+        }
+    }
+
+def register(app):
+    return {
+        "stage": PrepareStage.PrepareStage()
+    }

plugins/PrepareStage/plugin.json

@@ -0,0 +1,8 @@
+{
+    "name": "Prepare Stage",
+    "author": "Ultimaker B.V.",
+    "version": "1.0.0",
+    "description": "Provides a prepare stage in Cura.",
+    "api": 4,
+    "i18n-catalog": "cura"
+}

plugins/UM3NetworkPrinting/NetworkClusterPrinterOutputDevice.py

@@ -698,7 +698,7 @@ class NetworkClusterPrinterOutputDevice(NetworkPrinterOutputDevice.NetworkPrinte
             if self._reply:
                 self._reply.abort()
             self._stage = OutputStage.ready
-            Application.getInstance().showPrintMonitor.emit(False)
+            Application.getInstance().getController().setActiveStage("PrepareStage")
 
     @pyqtSlot(int, result=str)
     def formatDuration(self, seconds):

plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py

@@ -672,7 +672,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             Logger.log("d", "Attempting to perform an action without authentication for printer %s. Auth state is %s", self._key, self._authentication_state)
             return
 
-        Application.getInstance().showPrintMonitor.emit(True)
+        Application.getInstance().getController().setActiveStage("MonitorStage")
         self._print_finished = True
         self.writeStarted.emit(self)
         self._gcode = getattr(Application.getInstance().getController().getScene(), "gcode_list")
@@ -767,7 +767,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             if button == QMessageBox.Yes:
                 self.startPrint()
             else:
-                Application.getInstance().showPrintMonitor.emit(False)
+                Application.getInstance().getController().setActiveStage("PrepareStage")
         # For some unknown reason Cura on OSX will hang if we do the call back code
         # immediately without first returning and leaving QML's event system.
         QTimer.singleShot(100, delayedCallback)
@@ -850,7 +850,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             self._write_finished = True  # post_reply does not always exist, so make sure we unblock writing
             if self._post_reply:
                 self._finalizePostReply()
-            Application.getInstance().showPrintMonitor.emit(False)
+        Application.getInstance().getController().setActiveStage("PrepareStage")
 
     ##  Attempt to start a new print.
     #   This function can fail to actually start a print due to not being authenticated or another print already

plugins/USBPrinting/USBPrinterOutputDevice.py

@@ -490,7 +490,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         self.setJobName(file_name)
         self._print_estimated_time = int(Application.getInstance().getPrintInformation().currentPrintTime.getDisplayString(DurationFormat.Format.Seconds))
 
-        Application.getInstance().showPrintMonitor.emit(True)
+        Application.getInstance().getController().setActiveStage("MonitorStage")
         self.startPrint()
 
     def _setEndstopState(self, endstop_key, value):
@@ -698,7 +698,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         self._is_printing = False
         self._is_paused = False
         self._updateJobState("ready")
-        Application.getInstance().showPrintMonitor.emit(False)
+        Application.getInstance().getController().setActiveStage("PrepareStage")
 
     ##  Check if the process did not encounter an error yet.
     def hasError(self):

resources/qml/Cura.qml

@@ -20,14 +20,16 @@ UM.MainWindow
     viewportRect: Qt.rect(0, 0, (base.width - sidebar.width) / base.width, 1.0)
     property bool showPrintMonitor: false
 
+    // This connection is here to support legacy printer output devices that use the showPrintMonitor signal on Application to switch to the monitor stage
+    // It should be phased out in newer plugin versions.
     Connections
     {
         target: Printer
         onShowPrintMonitor: {
             if (show) {
-                topbar.startMonitoringPrint()
+                UM.Controller.setActiveStage("MonitorStage")
             } else {
-                topbar.stopMonitoringPrint()
+                UM.Controller.setActiveStage("PrepareStage")
             }
         }
     }
@@ -331,7 +333,7 @@ UM.MainWindow
                 text: catalog.i18nc("@action:button","Open File");
                 iconSource: UM.Theme.getIcon("load")
                 style: UM.Theme.styles.tool_button
-                tooltip: '';
+                tooltip: ""
                 anchors
                 {
                     top: topbar.bottom;
@@ -358,62 +360,49 @@ UM.MainWindow
             Topbar
             {
                 id: topbar
-                anchors.left:parent.left
+                anchors.left: parent.left
                 anchors.right: parent.right
                 anchors.top: parent.top
-                monitoringPrint: base.showPrintMonitor
-                onStartMonitoringPrint: base.showPrintMonitor = true
-                onStopMonitoringPrint: base.showPrintMonitor = false
-            }
-
-            Sidebar
-            {
-                id: sidebar;
-
-                anchors
-                {
-                    top: topbar.bottom;
-                    bottom: parent.bottom;
-                    right: parent.right;
-                }
-                z: 1
-                width: UM.Theme.getSize("sidebar").width;
-                monitoringPrint: base.showPrintMonitor
-            }
-
-            Rectangle
-            {
-                id: viewportOverlay
-
-                color: UM.Theme.getColor("viewport_overlay")
-                anchors
-                {
-                    top: topbar.bottom
-                    bottom: parent.bottom
-                    left:parent.left
-                    right: sidebar.left
-                }
-                visible: opacity > 0
-                opacity: base.showPrintMonitor ? 1 : 0
-
-                MouseArea {
-                    anchors.fill: parent
-                    acceptedButtons: Qt.AllButtons
-
-                    onWheel: wheel.accepted = true
-                }
             }
 
             Loader
             {
-                sourceComponent: Cura.MachineManager.printerOutputDevices.length > 0 ? Cura.MachineManager.printerOutputDevices[0].monitorItem: null
-                visible: base.showPrintMonitor
-                anchors.horizontalCenter: parent.horizontalCenter
-                anchors.verticalCenter: parent.verticalCenter
-                anchors.horizontalCenterOffset: - UM.Theme.getSize("sidebar").width / 2
-                anchors.verticalCenterOffset: UM.Theme.getSize("sidebar_header").height / 2
-                property real maximumWidth: viewportOverlay.width
-                property real maximumHeight: viewportOverlay.height
+                id: sidebar
+
+                anchors
+                {
+                    top: topbar.bottom
+                    bottom: parent.bottom
+                    right: parent.right
+                }
+
+                width: UM.Theme.getSize("sidebar").width
+                z: 1
+
+                source: UM.Controller.activeStage.sidebarComponent
+            }
+
+            Loader
+            {
+                id: main
+
+                anchors
+                {
+                    top: topbar.bottom
+                    bottom: parent.bottom
+                    left: parent.left
+                    right: sidebar.left
+                }
+
+                MouseArea
+                {
+                    visible: UM.Controller.activeStage.mainComponent != ""
+                    anchors.fill: parent
+                    acceptedButtons: Qt.AllButtons
+                    onWheel: wheel.accepted = true
+                }
+
+                source: UM.Controller.activeStage.mainComponent
             }
 
             UM.MessageStack

resources/qml/Menus/ViewMenu.qml

@@ -12,21 +12,23 @@ Menu
     title: catalog.i18nc("@title:menu menubar:toplevel", "&View");
     id: menu
     enabled: !PrintInformation.preSliced
+
+    // main views
     Instantiator
     {
-        model: UM.ViewModel { }
+        model: UM.ViewModel{}
         MenuItem
         {
-            text: model.name;
-            checkable: true;
-            checked: model.active;
-            exclusiveGroup: group;
-            onTriggered: UM.Controller.setActiveView(model.id);
+            text: model.name
+            checkable: true
+            checked: model.active
+            exclusiveGroup: group
+            onTriggered: UM.Controller.setActiveView(model.id)
         }
         onObjectAdded: menu.insertItem(index, object)
         onObjectRemoved: menu.removeItem(object)
     }
-    ExclusiveGroup { id: group; }
+    ExclusiveGroup { id: group }
 
     MenuSeparator {}
     MenuItem { action: Cura.Actions.homeCamera; }

resources/qml/SaveButton.qml

@@ -46,7 +46,7 @@ Item {
     }
 
     function sliceOrStopSlicing() {
-        if ([1, 5].indexOf(UM.Backend.state) != -1) {
+        if (backend != "undefined" && [1, 5].indexOf(UM.Backend.state) != -1) {
             backend.forceSlice();
         } else {
             backend.stopSlicing();

resources/qml/Sidebar.qml

@@ -24,7 +24,7 @@ Rectangle
     property var connectedPrinter: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
     property int backendState: UM.Backend.state
 
-    property bool monitoringPrint: false
+    property bool monitoringPrint: UM.Controller.activeStage.stageId == "MonitorStage"
 
     property variant printDuration: PrintInformation.currentPrintTime
     property variant printMaterialLengths: PrintInformation.materialLengths
@@ -263,7 +263,7 @@ Rectangle
     {
         id: controlItem
         anchors.bottom: footerSeparator.top
-        anchors.top: headerSeparator.bottom
+        anchors.top: monitoringPrint ? base.top : headerSeparator.bottom
         anchors.left: base.left
         anchors.right: base.right
         sourceComponent:
@@ -282,7 +282,7 @@ Rectangle
     Loader
     {
         anchors.bottom: footerSeparator.top
-        anchors.top: headerSeparator.bottom
+        anchors.top: monitoringPrint ? base.top : headerSeparator.bottom
         anchors.left: base.left
         anchors.right: base.right
         source:

resources/qml/SidebarSimple.qml

@@ -403,8 +403,6 @@ Item
                 }
             }
 
-
-
             //
             // Infill
             //
@@ -568,18 +566,20 @@ Item
                         model: infillModel
                         anchors.fill: parent
 
-                        property int activeIndex: {
+                        function activeIndex () {
                             for (var i = 0; i < infillModel.count; i++) {
                                 var density = parseInt(infillDensity.properties.value)
                                 var steps = parseInt(infillSteps.properties.value)
                                 var infillModelItem = infillModel.get(i)
 
-                                if (density >= infillModelItem.percentageMin
+                                if (infillModelItem != "undefined"
+                                    && density >= infillModelItem.percentageMin
                                     && density <= infillModelItem.percentageMax
                                     && steps >= infillModelItem.stepsMin
-                                    && steps <= infillModelItem.stepsMax){
-                                        return i
-                                    }
+                                    && steps <= infillModelItem.stepsMax
+                                ){
+                                    return i
+                                }
                             }
                             return -1
                         }
@@ -587,7 +587,7 @@ Item
                         Rectangle
                         {
                             anchors.fill: parent
-                            visible: infillIconList.activeIndex == index
+                            visible: infillIconList.activeIndex() == index
 
                             border.width: UM.Theme.getSize("default_lining").width
                             border.color: UM.Theme.getColor("quality_slider_unavailable")

resources/qml/Topbar.qml

@@ -6,7 +6,7 @@ import QtQuick.Controls 1.1
 import QtQuick.Controls.Styles 1.1
 import QtQuick.Layouts 1.1
 
-import UM 1.2 as UM
+import UM 1.4 as UM
 import Cura 1.0 as Cura
 import "Menus"
 
@@ -16,27 +16,10 @@ Rectangle
     anchors.left: parent.left
     anchors.right: parent.right
     height: UM.Theme.getSize("sidebar_header").height
-    color: base.monitoringPrint ? UM.Theme.getColor("topbar_background_color_monitoring") : UM.Theme.getColor("topbar_background_color")
+    color: UM.Controller.activeStage.stageId == "MonitorStage" ? UM.Theme.getColor("topbar_background_color_monitoring") : UM.Theme.getColor("topbar_background_color")
 
     property bool printerConnected: Cura.MachineManager.printerOutputDevices.length != 0
     property bool printerAcceptsCommands: printerConnected && Cura.MachineManager.printerOutputDevices[0].acceptsCommands
-    property bool monitoringPrint: false
-
-    // outgoing signal
-    signal startMonitoringPrint()
-    signal stopMonitoringPrint()
-
-    // update monitoring status when event was triggered outside topbar
-    Component.onCompleted: {
-        startMonitoringPrint.connect(function () {
-            base.monitoringPrint = true
-            UM.Controller.disableModelRendering()
-        })
-        stopMonitoringPrint.connect(function () {
-            base.monitoringPrint = false
-            UM.Controller.enableModelRendering()
-        })
-    }
 
     UM.I18nCatalog
     {
@@ -67,92 +50,30 @@ Rectangle
         anchors.rightMargin: UM.Theme.getSize("default_margin").width
         spacing: UM.Theme.getSize("default_margin").width
 
-        Button
+        // The topbar is dynamically filled with all available stages
+        Repeater
         {
-            id: showSettings
-            height: UM.Theme.getSize("sidebar_header").height
-            text: catalog.i18nc("@title:tab", "Prepare")
-            checkable: true
-            checked: isChecked()
-            exclusiveGroup: sidebarHeaderBarGroup
-            style: UM.Theme.styles.topbar_header_tab
+            id: stagesMenu
 
-            // We use a Qt.binding to re-bind the checkbox state after manually setting it
-            // https://stackoverflow.com/questions/38798450/qt-5-7-qml-why-are-my-checkbox-property-bindings-disappearing
-            onClicked: {
-                base.stopMonitoringPrint()
-                checked = Qt.binding(isChecked)
-            }
+            model: UM.StageModel{}
 
-            function isChecked () {
-                return !base.monitoringPrint
-            }
-
-            property color overlayColor: "transparent"
-            property string overlayIconSource: ""
-        }
-
-        Button
-        {
-            id: showMonitor
-            width: UM.Theme.getSize("topbar_button").width
-            height: UM.Theme.getSize("sidebar_header").height
-            text: catalog.i18nc("@title:tab", "Monitor")
-            checkable: true
-            checked: isChecked()
-            exclusiveGroup: sidebarHeaderBarGroup
-            style: UM.Theme.styles.topbar_header_tab_no_overlay
-
-            // We use a Qt.binding to re-bind the checkbox state after manually setting it
-            // https://stackoverflow.com/questions/38798450/qt-5-7-qml-why-are-my-checkbox-property-bindings-disappearing
-            onClicked: {
-                base.startMonitoringPrint()
-                checked = Qt.binding(isChecked)
-            }
-
-            function isChecked () {
-                return base.monitoringPrint
-            }
-
-            property string iconSource:
+            delegate: Button
             {
-                if (!printerConnected)
-                {
-                    return UM.Theme.getIcon("tab_status_unknown");
-                }
-                else if (!printerAcceptsCommands)
-                {
-                    return UM.Theme.getIcon("tab_status_unknown");
-                }
+                text: model.name
+                checkable: true
+                checked: model.active
+                exclusiveGroup: topbarMenuGroup
+                style: (model.stage.iconSource != "") ? UM.Theme.styles.topbar_header_tab_no_overlay : UM.Theme.styles.topbar_header_tab
+                height: UM.Theme.getSize("sidebar_header").height
+                onClicked: UM.Controller.setActiveStage(model.id)
+                iconSource: model.stage.iconSource
 
-                if (Cura.MachineManager.printerOutputDevices[0].printerState == "maintenance")
-                {
-                    return UM.Theme.getIcon("tab_status_busy");
-                }
-
-                switch (Cura.MachineManager.printerOutputDevices[0].jobState)
-                {
-                    case "printing":
-                    case "pre_print":
-                    case "pausing":
-                    case "resuming":
-                        return UM.Theme.getIcon("tab_status_busy");
-                    case "wait_cleanup":
-                        return UM.Theme.getIcon("tab_status_finished");
-                    case "ready":
-                    case "":
-                        return UM.Theme.getIcon("tab_status_connected")
-                    case "paused":
-                        return UM.Theme.getIcon("tab_status_paused")
-                    case "error":
-                        return UM.Theme.getIcon("tab_status_stopped")
-                    default:
-                        return UM.Theme.getIcon("tab_status_unknown")
-                }
+                property color overlayColor: "transparent"
+                property string overlayIconSource: ""
             }
         }
 
-        ExclusiveGroup { id: sidebarHeaderBarGroup }
+        ExclusiveGroup { id: topbarMenuGroup }
     }
 
     ToolButton
@@ -220,17 +141,16 @@ Rectangle
         menu: PrinterMenu { }
     }
 
-        //View orientation Item
+    // View orientation Item
     Row
     {
         id: viewOrientationControl
         height: 30
-
         spacing: 2
+        visible: UM.Controller.activeStage.stageId != "MonitorStage"
 
-        visible: !base.monitoringPrint
-
-        anchors {
+        anchors
+        {
             verticalCenter: base.verticalCenter
             right: viewModeButton.right
             rightMargin: UM.Theme.getSize("default_margin").width + viewModeButton.width
@@ -308,7 +228,7 @@ Rectangle
         }
 
         style: UM.Theme.styles.combobox
-        visible: !base.monitoringPrint
+        visible: UM.Controller.activeStage.stageId != "MonitorStage"
 
         model: UM.ViewModel { }
         textRole: "name"