Merge pull request #1732 from Ultimaker/feature_extruder_contextmenu

Add Extruders to Context Menu and Refactor

cura/CuraActions.py

@@ -1,10 +1,21 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
 from PyQt5.QtCore import QObject, QUrl
 from PyQt5.QtGui import QDesktopServices
 from UM.FlameProfiler import pyqtSlot
 
 from UM.Event import CallFunctionEvent
 from UM.Application import Application
+from UM.Math.Vector import Vector
+from UM.Scene.Selection import Selection
+from UM.Operations.GroupedOperation import GroupedOperation
+from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
+from UM.Operations.SetTransformOperation import SetTransformOperation
 
+from cura.SetParentOperation import SetParentOperation
+from cura.MultiplyObjectsJob import MultiplyObjectsJob
+from cura.Settings.SetObjectExtruderOperation import SetObjectExtruderOperation
 
 class CuraActions(QObject):
     def __init__(self, parent = None):
@@ -23,5 +34,58 @@ class CuraActions(QObject):
         event = CallFunctionEvent(self._openUrl, [QUrl("http://github.com/Ultimaker/Cura/issues")], {})
         Application.getInstance().functionEvent(event)
 
+    ##  Center all objects in the selection
+    @pyqtSlot()
+    def centerSelection(self) -> None:
+        operation = GroupedOperation()
+        for node in Selection.getAllSelectedObjects():
+            current_node = node
+            while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
+                current_node = current_node.getParent()
+
+            center_operation = SetTransformOperation(current_node, Vector())
+            operation.addOperation(center_operation)
+        operation.push()
+
+    ##  Multiply all objects in the selection
+    #
+    #   \param count The number of times to multiply the selection.
+    @pyqtSlot(int)
+    def multiplySelection(self, count: int) -> None:
+        job = MultiplyObjectsJob(Selection.getAllSelectedObjects(), count, 8)
+        job.start()
+
+    ##  Delete all selected objects.
+    @pyqtSlot()
+    def deleteSelection(self) -> None:
+        if not Application.getInstance().getController().getToolsEnabled():
+            return
+
+        removed_group_nodes = []
+        op = GroupedOperation()
+        nodes = Selection.getAllSelectedObjects()
+        for node in nodes:
+            op.addOperation(RemoveSceneNodeOperation(node))
+            group_node = node.getParent()
+            if group_node and group_node.callDecoration("isGroup") and group_node not in removed_group_nodes:
+                remaining_nodes_in_group = list(set(group_node.getChildren()) - set(nodes))
+                if len(remaining_nodes_in_group) == 1:
+                    removed_group_nodes.append(group_node)
+                    op.addOperation(SetParentOperation(remaining_nodes_in_group[0], group_node.getParent()))
+                    op.addOperation(RemoveSceneNodeOperation(group_node))
+        op.push()
+
+    ##  Set the extruder that should be used to print the selection.
+    #
+    #   \param extruder_id The ID of the extruder stack to use for the selected objects.
+    @pyqtSlot(str)
+    def setExtruderForSelection(self, extruder_id: str) -> None:
+        operation = GroupedOperation()
+        for node in Selection.getAllSelectedObjects():
+            if node.callDecoration("getActiveExtruder") == extruder_id:
+                continue
+            operation.addOperation(SetObjectExtruderOperation(node, extruder_id))
+        operation.push()
+
     def _openUrl(self, url):
-        QDesktopServices.openUrl(url)
+        QDesktopServices.openUrl(url)

cura/CuraApplication.py

@@ -26,6 +26,7 @@ from UM.Message import Message
 from UM.i18n import i18nCatalog
 from UM.Workspace.WorkspaceReader import WorkspaceReader
 from UM.Platform import Platform
+from UM.Decorators import deprecated
 
 from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
 from UM.Operations.RemoveSceneNodeOperation import RemoveSceneNodeOperation
@@ -218,6 +219,7 @@ class CuraApplication(QtApplication):
 
         self.getController().getScene().sceneChanged.connect(self.updatePlatformActivity)
         self.getController().toolOperationStopped.connect(self._onToolOperationStopped)
+        self.getController().contextMenuRequested.connect(self._onContextMenuRequested)
 
         Resources.addType(self.ResourceTypes.QmlFiles, "qml")
         Resources.addType(self.ResourceTypes.Firmware, "firmware")
@@ -807,6 +809,7 @@ class CuraApplication(QtApplication):
 
     # Remove all selected objects from the scene.
     @pyqtSlot()
+    @deprecated("Moved to CuraActions", "2.6")
     def deleteSelection(self):
         if not self.getController().getToolsEnabled():
             return
@@ -827,6 +830,7 @@ class CuraApplication(QtApplication):
     ##  Remove an object from the scene.
     #   Note that this only removes an object if it is selected.
     @pyqtSlot("quint64")
+    @deprecated("Use deleteSelection instead", "2.6")
     def deleteObject(self, object_id):
         if not self.getController().getToolsEnabled():
             return
@@ -854,13 +858,22 @@ class CuraApplication(QtApplication):
     #   \param count number of copies
     #   \param min_offset minimum offset to other objects.
     @pyqtSlot("quint64", int)
+    @deprecated("Use CuraActions::multiplySelection", "2.6")
     def multiplyObject(self, object_id, count, min_offset = 8):
-        job = MultiplyObjectsJob(object_id, count, min_offset)
+        node = self.getController().getScene().findObject(object_id)
+        if not node:
+            node = Selection.getSelectedObject(0)
+
+        while node.getParent() and node.getParent().callDecoration("isGroup"):
+            node = node.getParent()
+
+        job = MultiplyObjectsJob([node], count, min_offset)
         job.start()
         return
 
     ##  Center object on platform.
     @pyqtSlot("quint64")
+    @deprecated("Use CuraActions::centerSelection", "2.6")
     def centerObject(self, object_id):
         node = self.getController().getScene().findObject(object_id)
         if not node and object_id != 0:  # Workaround for tool handles overlapping the selected object
@@ -1320,3 +1333,10 @@ class CuraApplication(QtApplication):
         except Exception as e:
             Logger.log("e", "Could not check file %s: %s", file_url, e)
             return False
+
+    def _onContextMenuRequested(self, x: float, y: float) -> None:
+        # Ensure we select the object if we request a context menu over an object without having a selection.
+        if not Selection.hasSelection():
+            node = self.getController().getScene().findObject(self.getRenderer().getRenderPass("selection").getIdAtPosition(x, y))
+            if node:
+                Selection.add(node)

cura/MultiplyObjectsJob.py

@@ -24,9 +24,9 @@ from UM.Operations.AddSceneNodeOperation import AddSceneNodeOperation
 
 
 class MultiplyObjectsJob(Job):
-    def __init__(self, object_id, count, min_offset = 8):
+    def __init__(self, objects, count, min_offset = 8):
         super().__init__()
-        self._object_id = object_id
+        self._objects = objects
         self._count = count
         self._min_offset = min_offset
 
@@ -35,38 +35,42 @@ class MultiplyObjectsJob(Job):
                                  dismissable=False, progress=0)
         status_message.show()
         scene = Application.getInstance().getController().getScene()
-        node = scene.findObject(self._object_id)
 
-        if not node and self._object_id != 0:  # Workaround for tool handles overlapping the selected object
-            node = Selection.getSelectedObject(0)
-
-        # If object is part of a group, multiply group
-        current_node = node
-        while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
-            current_node = current_node.getParent()
+        total_progress = len(self._objects) * self._count
+        current_progress = 0
 
         root = scene.getRoot()
         arranger = Arrange.create(scene_root=root)
-        node_too_big = False
-        if node.getBoundingBox().width < 300 or node.getBoundingBox().depth < 300:
-            offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(current_node, min_offset=self._min_offset)
-        else:
-            node_too_big = True
         nodes = []
-        found_solution_for_all = True
-        for i in range(self._count):
-            # We do place the nodes one by one, as we want to yield in between.
-            if not node_too_big:
-                node, solution_found = arranger.findNodePlacement(current_node, offset_shape_arr, hull_shape_arr)
-            if node_too_big or not solution_found:
-                found_solution_for_all = False
-                new_location = node.getPosition()
-                new_location = new_location.set(z = 100 - i * 20)
-                node.setPosition(new_location)
+        for node in self._objects:
+            # If object is part of a group, multiply group
+            current_node = node
+            while current_node.getParent() and current_node.getParent().callDecoration("isGroup"):
+                current_node = current_node.getParent()
+
+            node_too_big = False
+            if node.getBoundingBox().width < 300 or node.getBoundingBox().depth < 300:
+                offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(current_node, min_offset=self._min_offset)
+            else:
+                node_too_big = True
+
+            found_solution_for_all = True
+            for i in range(self._count):
+                # We do place the nodes one by one, as we want to yield in between.
+                if not node_too_big:
+                    node, solution_found = arranger.findNodePlacement(current_node, offset_shape_arr, hull_shape_arr)
+                if node_too_big or not solution_found:
+                    found_solution_for_all = False
+                    new_location = node.getPosition()
+                    new_location = new_location.set(z = 100 - i * 20)
+                    node.setPosition(new_location)
+
+                nodes.append(node)
+                current_progress += 1
+                status_message.setProgress((current_progress / total_progress) * 100)
+                Job.yieldThread()
 
-            nodes.append(node)
             Job.yieldThread()
-            status_message.setProgress((i + 1) / self._count * 100)
 
         if nodes:
             op = GroupedOperation()

cura/Settings/ExtruderManager.py

@@ -8,12 +8,13 @@ from UM.Application import Application #To get the global container stack to fin
 from UM.Logger import Logger
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
 from UM.Scene.SceneNode import SceneNode
+from UM.Scene.Selection import Selection
 from UM.Settings.ContainerRegistry import ContainerRegistry #Finding containers by ID.
 from UM.Settings.InstanceContainer import InstanceContainer
 from UM.Settings.SettingFunction import SettingFunction
 from UM.Settings.ContainerStack import ContainerStack
 from UM.Settings.DefinitionContainer import DefinitionContainer
-from typing import Optional
+from typing import Optional, List
 
 ##  Manages all existing extruder stacks.
 #
@@ -34,10 +35,13 @@ class ExtruderManager(QObject):
         super().__init__(parent)
         self._extruder_trains = { } #Per machine, a dictionary of extruder container stack IDs.
         self._active_extruder_index = 0
+        self._selected_object_extruders = []
         Application.getInstance().globalContainerStackChanged.connect(self.__globalContainerStackChanged)
         self._global_container_stack_definition_id = None
         self._addCurrentMachineExtruders()
 
+        Selection.selectionChanged.connect(self.resetSelectedObjectExtruders)
+
     ##  Gets the unique identifier of the currently active extruder stack.
     #
     #   The currently active extruder stack is the stack that is currently being
@@ -117,6 +121,34 @@ class ExtruderManager(QObject):
         except IndexError:
             return ""
 
+    ## Emitted whenever the selectedObjectExtruders property changes.
+    selectedObjectExtrudersChanged = pyqtSignal()
+
+    ##  Provides a list of extruder IDs used by the current selected objects.
+    @pyqtProperty("QVariantList", notify = selectedObjectExtrudersChanged)
+    def selectedObjectExtruders(self) -> List[str]:
+        if not self._selected_object_extruders:
+            object_extruders = set()
+            for node in Selection.getAllSelectedObjects():
+                extruder = node.callDecoration("getActiveExtruder")
+                if extruder:
+                    object_extruders.add(extruder)
+                else:
+                    global_stack = Application.getInstance().getGlobalContainerStack()
+                    object_extruders.add(self._extruder_trains[global_stack.getId()]["0"].getId())
+
+            self._selected_object_extruders = list(object_extruders)
+
+        return self._selected_object_extruders
+
+    ##  Reset the internal list used for the selectedObjectExtruders property
+    #
+    #   This will trigger a recalculation of the extruders used for the
+    #   selection.
+    def resetSelectedObjectExtruders(self) -> None:
+        self._selected_object_extruders = []
+        self.selectedObjectExtrudersChanged.emit()
+
     def getActiveExtruderStack(self) -> ContainerStack:
         global_container_stack = Application.getInstance().getGlobalContainerStack()
 
@@ -444,6 +476,8 @@ class ExtruderManager(QObject):
             self.globalContainerStackDefinitionChanged.emit()
         self.activeExtruderChanged.emit()
 
+        self.resetSelectedObjectExtruders()
+
     ##  Adds the extruders of the currently active machine.
     def _addCurrentMachineExtruders(self) -> None:
         global_stack = Application.getInstance().getGlobalContainerStack()

cura/Settings/ExtrudersModel.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2016 Ultimaker B.V.
 # Cura is released under the terms of the AGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
+from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty, pyqtSlot
 
 import UM.Qt.ListModel
 from UM.Application import Application
@@ -33,6 +33,12 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
     # The ID of the definition of the extruder.
     DefinitionRole = Qt.UserRole + 5
 
+    # The material of the extruder.
+    MaterialRole = Qt.UserRole + 6
+
+    # The variant of the extruder.
+    VariantRole = Qt.UserRole + 7
+
     ##  List of colours to display if there is no material or the material has no known
     #   colour.
     defaultColors = ["#ffc924", "#86ec21", "#22eeee", "#245bff", "#9124ff", "#ff24c8"]
@@ -49,6 +55,8 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
         self.addRoleName(self.ColorRole, "color")
         self.addRoleName(self.IndexRole, "index")
         self.addRoleName(self.DefinitionRole, "definition")
+        self.addRoleName(self.MaterialRole, "material")
+        self.addRoleName(self.VariantRole, "variant")
 
         self._add_global = False
         self._simple_names = False
@@ -140,6 +148,7 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
             for extruder in manager.getMachineExtruders(global_container_stack.getId()):
                 extruder_name = extruder.getName()
                 material = extruder.findContainer({ "type": "material" })
+                variant = extruder.findContainer({"type": "variant"})
                 position = extruder.getMetaDataEntry("position", default = "0")  # Get the position
                 try:
                     position = int(position)
@@ -152,7 +161,9 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
                     "name": extruder_name,
                     "color": color,
                     "index": position,
-                    "definition": extruder.getBottom().getId()
+                    "definition": extruder.getBottom().getId(),
+                    "material": material.getName() if material else "",
+                    "variant": variant.getName() if variant else "",
                 }
                 items.append(item)
                 changed = True

cura/Settings/SetObjectExtruderOperation.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2017 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
+from UM.Scene.SceneNode import SceneNode
+from UM.Operations.Operation import Operation
+
+from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator
+
+##  Simple operation to set the extruder a certain object should be printed with.
+class SetObjectExtruderOperation(Operation):
+    def __init__(self, node: SceneNode, extruder_id: str) -> None:
+        self._node = node
+        self._extruder_id = extruder_id
+        self._previous_extruder_id = None
+        self._decorator_added = False
+
+    def undo(self):
+        if self._previous_extruder_id:
+            self._node.callDecoration("setActiveExtruder", self._previous_extruder_id)
+
+    def redo(self):
+        stack = self._node.callDecoration("getStack") #Don't try to get the active extruder since it may be None anyway.
+        if not stack:
+            self._node.addDecorator(SettingOverrideDecorator())
+
+        self._previous_extruder_id = self._node.callDecoration("getActiveExtruder")
+        self._node.callDecoration("setActiveExtruder", self._extruder_id)

cura/Settings/SettingOverrideDecorator.py

@@ -109,6 +109,7 @@ class SettingOverrideDecorator(SceneNodeDecorator):
     def setActiveExtruder(self, extruder_stack_id):
         self._extruder_stack = extruder_stack_id
         self._updateNextStack()
+        ExtruderManager.getInstance().resetSelectedObjectExtruders()
         self.activeExtruderChanged.emit()
 
     def getStack(self):

resources/qml/Actions.qml

@@ -18,6 +18,8 @@ Item
     property alias redo: redoAction;
 
     property alias deleteSelection: deleteSelectionAction;
+    property alias centerSelection: centerSelectionAction;
+    property alias multiplySelection: multiplySelectionAction;
 
     property alias deleteObject: deleteObjectAction;
     property alias centerObject: centerObjectAction;
@@ -181,11 +183,28 @@ Item
     Action
     {
         id: deleteSelectionAction;
-        text: catalog.i18nc("@action:inmenu menubar:edit","Delete &Selection");
-        enabled: UM.Controller.toolsEnabled;
+        text: catalog.i18ncp("@action:inmenu menubar:edit", "Delete &Selected Model", "Delete &Selected Models", UM.Selection.selectionCount);
+        enabled: UM.Controller.toolsEnabled && UM.Selection.hasSelection;
         iconName: "edit-delete";
         shortcut: StandardKey.Delete;
-        onTriggered: CuraApplication.deleteSelection();
+        onTriggered: CuraActions.deleteSelection();
+    }
+
+    Action
+    {
+        id: centerSelectionAction;
+        text: catalog.i18ncp("@action:inmenu menubar:edit", "Center Selected Model", "Center Selected Models", UM.Selection.selectionCount);
+        enabled: UM.Controller.toolsEnabled && UM.Selection.hasSelection;
+        iconName: "align-vertical-center";
+        onTriggered: CuraActions.centerSelection();
+    }
+
+    Action
+    {
+        id: multiplySelectionAction;
+        text: catalog.i18ncp("@action:inmenu menubar:edit", "Multiply Selected Model", "Multiply Selected Models", UM.Selection.selectionCount);
+        enabled: UM.Controller.toolsEnabled && UM.Selection.hasSelection;
+        iconName: "edit-duplicate";
     }
 
     Action

resources/qml/Cura.qml

@@ -594,102 +594,8 @@ UM.MainWindow
         }
     }
 
-    Menu
-    {
-        id: objectContextMenu;
-
-        property variant objectId: -1;
-        MenuItem { action: Cura.Actions.centerObject; }
-        MenuItem { action: Cura.Actions.deleteObject; }
-        MenuItem { action: Cura.Actions.multiplyObject; }
-        MenuSeparator { }
-        MenuItem { action: Cura.Actions.selectAll; }
-        MenuItem { action: Cura.Actions.arrangeAll; }
-        MenuItem { action: Cura.Actions.deleteAll; }
-        MenuItem { action: Cura.Actions.reloadAll; }
-        MenuItem { action: Cura.Actions.resetAllTranslation; }
-        MenuItem { action: Cura.Actions.resetAll; }
-        MenuSeparator { }
-        MenuItem { action: Cura.Actions.groupObjects; }
-        MenuItem { action: Cura.Actions.mergeObjects; }
-        MenuItem { action: Cura.Actions.unGroupObjects; }
-
-        Connections
-        {
-            target: Cura.Actions.deleteObject
-            onTriggered:
-            {
-                if(objectContextMenu.objectId != 0)
-                {
-                    CuraApplication.deleteObject(objectContextMenu.objectId);
-                    objectContextMenu.objectId = 0;
-                }
-            }
-        }
-
-        MultiplyObjectOptions
-        {
-            id: multiplyObjectOptions
-        }
-
-        Connections
-        {
-            target: Cura.Actions.multiplyObject
-            onTriggered:
-            {
-                if(objectContextMenu.objectId != 0)
-                {
-                    multiplyObjectOptions.objectId = objectContextMenu.objectId;
-                    multiplyObjectOptions.visible = true;
-                    multiplyObjectOptions.reset();
-                    objectContextMenu.objectId = 0;
-                }
-            }
-        }
-
-        Connections
-        {
-            target: Cura.Actions.centerObject
-            onTriggered:
-            {
-                if(objectContextMenu.objectId != 0)
-                {
-                    CuraApplication.centerObject(objectContextMenu.objectId);
-                    objectContextMenu.objectId = 0;
-                }
-            }
-        }
-    }
-
-    Menu
-    {
-        id: contextMenu;
-        MenuItem { action: Cura.Actions.selectAll; }
-        MenuItem { action: Cura.Actions.arrangeAll; }
-        MenuItem { action: Cura.Actions.deleteAll; }
-        MenuItem { action: Cura.Actions.reloadAll; }
-        MenuItem { action: Cura.Actions.resetAllTranslation; }
-        MenuItem { action: Cura.Actions.resetAll; }
-        MenuSeparator { }
-        MenuItem { action: Cura.Actions.groupObjects; }
-        MenuItem { action: Cura.Actions.mergeObjects; }
-        MenuItem { action: Cura.Actions.unGroupObjects; }
-    }
-
-    Connections
-    {
-        target: UM.Controller
-        onContextMenuRequested:
-        {
-            if(objectId == 0)
-            {
-                contextMenu.popup();
-            } else
-            {
-                objectContextMenu.objectId = objectId;
-                objectContextMenu.popup();
-            }
-        }
+    ContextMenu {
+        id: contextMenu
     }
 
     Connections

resources/qml/Menus/ContextMenu.qml

@@ -0,0 +1,138 @@
+// Copyright (c) 2016 Ultimaker B.V.
+// Cura is released under the terms of the AGPLv3 or higher.
+
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.2
+import QtQuick.Window 2.1
+
+import UM 1.2 as UM
+import Cura 1.0 as Cura
+
+Menu
+{
+    id: base
+
+    property bool shouldShowExtruders: machineExtruderCount.properties.value > 1;
+
+    // Selection-related actions.
+    MenuItem { action: Cura.Actions.centerSelection; }
+    MenuItem { action: Cura.Actions.deleteSelection; }
+    MenuItem { action: Cura.Actions.multiplySelection; }
+
+    // Extruder selection - only visible if there is more than 1 extruder
+    MenuSeparator { visible: base.shouldShowExtruders }
+    MenuItem { id: extruderHeader; text: catalog.i18ncp("@label", "Print Selected Model With:", "Print Selected Models With:", UM.Selection.selectionCount); enabled: false; visible: base.shouldShowExtruders }
+    Instantiator
+    {
+        model: Cura.ExtrudersModel { id: extrudersModel }
+        MenuItem {
+            text: "%1: %2 - %3".arg(model.name).arg(model.material).arg(model.variant)
+            visible: base.shouldShowExtruders
+            enabled: UM.Selection.hasSelection
+            checkable: true
+            checked: ExtruderManager.selectedObjectExtruders.indexOf(model.id) != -1
+            onTriggered: CuraActions.setExtruderForSelection(model.id)
+            shortcut: "Ctrl+" + (model.index + 1)
+        }
+        onObjectAdded: base.insertItem(base.findItemIndex(extruderHeader) + index, object)
+        onObjectRemoved: base.removeItem(object)
+    }
+
+    // Global actions
+    MenuSeparator { }
+    MenuItem { action: Cura.Actions.selectAll; }
+    MenuItem { action: Cura.Actions.arrangeAll; }
+    MenuItem { action: Cura.Actions.deleteAll; }
+    MenuItem { action: Cura.Actions.reloadAll; }
+    MenuItem { action: Cura.Actions.resetAllTranslation; }
+    MenuItem { action: Cura.Actions.resetAll; }
+
+    // Group actions
+    MenuSeparator { }
+    MenuItem { action: Cura.Actions.groupObjects; }
+    MenuItem { action: Cura.Actions.mergeObjects; }
+    MenuItem { action: Cura.Actions.unGroupObjects; }
+
+    Connections
+    {
+        target: UM.Controller
+        onContextMenuRequested: base.popup();
+    }
+
+    Connections
+    {
+        target: Cura.Actions.multiplySelection
+        onTriggered: multiplyDialog.open()
+    }
+
+    UM.SettingPropertyProvider
+    {
+        id: machineExtruderCount
+
+        containerStackId: Cura.MachineManager.activeMachineId
+        key: "machine_extruder_count"
+        watchedProperties: [ "value" ]
+    }
+
+    Dialog
+    {
+        id: multiplyDialog
+
+        title: catalog.i18ncp("@title:window", "Multiply Selected Model", "Multiply Selected Models", UM.Selection.selectionCount)
+
+        width: 400 * Screen.devicePixelRatio
+        height: 80 * Screen.devicePixelRatio
+
+        onAccepted: CuraActions.multiplySelection(copiesField.value)
+
+        signal reset()
+        onReset:
+        {
+            copiesField.value = 1;
+            copiesField.focus = true;
+        }
+
+        standardButtons: StandardButton.Ok | StandardButton.Cancel
+
+        Row
+        {
+            spacing: UM.Theme.getSize("default_margin").width
+
+            Label
+            {
+                text: catalog.i18nc("@label", "Number of Copies")
+                anchors.verticalCenter: copiesField.verticalCenter
+            }
+
+            SpinBox
+            {
+                id: copiesField
+                minimumValue: 1
+                maximumValue: 99
+            }
+        }
+    }
+
+    // Find the index of an item in the list of child items of this menu.
+    //
+    // This is primarily intended as a helper function so we do not have to
+    // hard-code the position of the extruder selection actions.
+    //
+    // \param item The item to find the index of.
+    //
+    // \return The index of the item or -1 if it was not found.
+    function findItemIndex(item)
+    {
+        for(var i in base.items)
+        {
+            if(base.items[i] == item)
+            {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    UM.I18nCatalog { id: catalog; name: "cura" }
+}