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Add persistence for unit values in SVG #1144

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Add persistence for unit values in SVG #1144

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4bb8468
Add persistence for unit values in SVG
lisham2000 Aug 20, 2024
608d2a1
Change to use string persistent model in persistence of units within …
lisham2000 Aug 27, 2024
d0d66f0
Change to use string persistent model in persistence of units within …
lisham2000 Aug 27, 2024
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12 changes: 8 additions & 4 deletions nion/swift/ExportDialog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -261,15 +261,18 @@ class UnitType(enum.Enum):


class ExportSizeModel(Observable.Observable):
def __init__(self, display_item: DisplayItem.DisplayItem) -> None:
def __init__(self, display_item: DisplayItem.DisplayItem, ui: UserInterface.UserInterface) -> None:
super().__init__()
self.ui = ui
display_size = self.__calculate_display_size_in_pixels(display_item)
self.__width = display_size.width
self.__height = display_size.height
self.__aspect_ratio = self.__width / self.__height
self.__units = UnitType.PIXELS
self.__float_to_string_converter = Converter.FloatToStringConverter()
self.__primary_field = 'width' # Primary field to determine which text is calculated
self.__primary_field = 'width' # Primary field to determine which text is calculater
# Load the persisted units value, default to PIXELS if not found
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# Load the persisted units value, default to PIXELS if not found

This comment is outdated and can be removed. The default value is set by the caller.

persisted_units = self.ui.get_persistent_string("export_units", UnitType.PIXELS.name)
self.__units = UnitType[persisted_units]

def __calculate_display_size_in_pixels(self, display_item: DisplayItem.DisplayItem) -> Geometry.IntSize:
if display_item.display_data_shape and len(display_item.display_data_shape) == 2:
Expand Down Expand Up @@ -327,6 +330,7 @@ def units(self, new_units: int) -> None:
new_enum = UnitType(new_units)
if self.__units != new_enum:
self.__units = new_enum
self.ui.set_persistent_string("export_units", self.__units.name)
self.notify_property_changed("width")
self.notify_property_changed("height")
self.notify_property_changed("width_text")
Expand Down Expand Up @@ -391,7 +395,7 @@ def __init__(self, document_controller: DocumentController.DocumentController,
super().__init__()
self.__document_controller = document_controller
self.__display_item = display_item
self.__model = ExportSizeModel(display_item)
self.__model = ExportSizeModel(display_item, document_controller.ui)
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self.__handler = ExportSVGHandler(self.__model)
self.__init_ui()

Expand Down