Moved the prepareMenu into the prepare stage plugin

CURA-5772

plugins/PrepareStage/PrepareMenu.qml

@@ -0,0 +1,42 @@
+import QtQuick 2.7
+
+import QtQuick.Controls 1.4
+
+import UM 1.3 as UM
+import Cura 1.1 as Cura
+
+
+Row
+{
+    spacing: UM.Theme.getSize("default_margin").width
+
+    UM.I18nCatalog
+    {
+        id: catalog
+        name:"cura"
+    }
+
+    Button
+    {
+        id: openFileButton;
+        text: catalog.i18nc("@action:button", "Open File");
+        iconSource: UM.Theme.getIcon("load")
+        style: UM.Theme.styles.tool_button
+        tooltip: ""
+        action: Cura.Actions.open;
+    }
+
+    Cura.MachineAndConfigurationSelector
+    {
+    }
+
+    Cura.MaterialAndVariantSelector
+    {
+        width: UM.Theme.getSize("sidebar").width
+    }
+
+    Cura.ProfileAndSettingComponent
+    {
+        width: UM.Theme.getSize("sidebar").width
+    }
+}

plugins/PrepareStage/PrepareStage.py

@@ -2,13 +2,14 @@
 # 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 preparing model (slicing).
 class PrepareStage(CuraStage):
-
     def __init__(self, parent = None):
         super().__init__(parent)
         Application.getInstance().engineCreatedSignal.connect(self._engineCreated)
@@ -16,4 +17,7 @@ class PrepareStage(CuraStage):
     def _engineCreated(self):
         sidebar_component_path = os.path.join(Resources.getPath(Application.getInstance().ResourceTypes.QmlFiles),
                                               "PrepareSidebar.qml")
+
+        menu_component_path = os.path.join(PluginRegistry.getInstance().getPluginPath("PrepareStage"), "PrepareMenu.qml")
+        self.addDisplayComponent("menu", menu_component_path)
         self.addDisplayComponent("sidebar", sidebar_component_path)