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# SPDX-License-Identifier: GPL-3.0-only
# Functions to sort a List Model with groups and entries.
from __future__ import annotations
import typing
from enum import IntEnum
from gi.repository import Gtk
from gsecrets.safe_element import SafeElement
class SortingHat:
"""Provides a variety of sorting algorithms."""
class SortOrder(IntEnum):
ASC = 0
DEC = 1
CTIME_ASC = 2
CTIME_DEC = 3
@staticmethod
def get_sorter(order: SortOrder) -> typing.Callable:
match order:
case SortingHat.SortOrder.ASC:
expr = Gtk.PropertyExpression.new(SafeElement.__gtype__, None, "name")
return Gtk.StringSorter.new(expr)
case SortingHat.SortOrder.DEC:
expr = Gtk.PropertyExpression.new(SafeElement.__gtype__, None, "name")
return Gtk.StringSorter.new(expr)
case SortingHat.SortOrder.CTIME_ASC:
expr = Gtk.PropertyExpression.new(
SafeElement.__gtype__, None, "ctime_int"
)
return Gtk.NumericSorter.new(expr)
case SortingHat.SortOrder.CTIME_DEC:
expr = Gtk.PropertyExpression.new(
SafeElement.__gtype__, None, "ctime_int"
)
sorter = Gtk.NumericSorter.new(expr)
sorter.props.sort_order = Gtk.SortType.DESCENDING
return sorter
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