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b37fa6f718
The undo functionality currently gives an error though. Investigating... Contributes to issue CURA-2822.
56 lines
2.9 KiB
Python
56 lines
2.9 KiB
Python
# Copyright (c) 2017 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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from PyQt5.QtCore import QObject, pyqtSlot #To expose data to QML.
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from UM.Logger import Logger
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from UM.Message import Message #To create a warning message about material diameter.
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from UM.i18n import i18nCatalog #Translated strings.
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from UM.Settings.ContainerRegistry import ContainerRegistry #To find the material containers we need.
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catalog = i18nCatalog("cura")
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## Handles material-related data, processing requests to change them and
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# providing data for the GUI.
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#
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# TODO: Move material-related managing over from the machine manager to here.
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class MaterialManager(QObject):
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## Creates the global values for the material manager to use.
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def __init__(self, parent = None):
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super().__init__(parent)
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#Material diameter changed warning message.
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self._material_diameter_warning_message = Message(catalog.i18nc("@info:status Has a cancel button next to it.",
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"The selected material diameter causes the material to become incompatible with the current printer."))
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self._material_diameter_warning_message.addAction("Undo", catalog.i18nc("@action:button", "Undo"), None, catalog.i18nc("@action", "Undo changing the material diameter."))
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self._material_diameter_warning_message.actionTriggered = self._materialWarningMessageAction
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## Creates an instance of the MaterialManager.
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#
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# This should only be called by PyQt to create the singleton instance of
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# this class.
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@staticmethod
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def createMaterialManager(engine = None, script_engine = None):
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return MaterialManager()
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@pyqtSlot(str, str)
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def showMaterialWarningMessage(self, material_id, previous_diameter):
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self._material_diameter_warning_message.previous_diameter = previous_diameter #Make sure that the undo button can properly undo the action.
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self._material_diameter_warning_message.material_id = material_id
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self._material_diameter_warning_message.show()
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## Called when clicking "undo" on the warning dialogue for disappeared
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# materials.
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#
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# This executes the undo action, restoring the material diameter.
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#
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# \param button The identifier of the button that was pressed.
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def _materialWarningMessageAction(self, button):
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if button == "Undo":
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container_registry = ContainerRegistry.getInstance()
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matches = container_registry.findInstanceContainers(type = "material", id = self._material_diameter_warning_message.material_id)
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if matches:
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matches[0].setMetaDataEntry("diameter", self._material_diameter_warning_message.previous_diameter)
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#No matches? Then the material has been deleted in the meanwhile.
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else:
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Logger.log("w", "Unknown button action for material diameter warning message: {action}".format(action = button)) |