50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright 2022 (c) Anna Schumaker.
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"""Displays our decade and year tree."""
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from gi.repository import GObject
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from .. import db
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from . import row
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from . import section
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class DecadeRow(row.TreeRow):
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"""A TreeRow for setting Decade & Year icons properly."""
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def __init__(self, *args, **kwargs):
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"""Initialize a GenreRow."""
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super().__init__(*args, **kwargs)
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self.child = row.Row()
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def do_bind(self) -> None:
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"""Bind the decade and year number to the row year property."""
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super().do_bind()
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if isinstance(self.item, db.decades.Decade):
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self.bind_and_set_property("decade", "year")
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else:
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self.bind_and_set_property("year", "year")
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class Section(section.Section):
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"""A sidebar Section for the decade and year playlist tree."""
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year_table = GObject.Property(type=db.years.Table)
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def __init__(self, decade_table: db.decades.Table,
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year_table: db.years.Table):
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"""Initialize our decade & year section."""
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super().__init__(decade_table, DecadeRow, title="Decades & Years",
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subtitle="0 decades, 0 years",
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icon_name="year-alt", year_table=year_table)
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self.year_table.connect("items-changed", self.__update_subtitle)
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def __update_subtitle(self, table: db.years.Table, position: int,
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removed: int, added: int) -> None:
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self.subtitle = self.do_get_subtitle(0)
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def do_get_subtitle(self, n_items: int) -> str:
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"""Return a subtitle for this section."""
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n_decades = len(self.table)
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s_decades = "s" if n_decades != 1 else ""
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n_years = len(self.year_table)
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s_years = "s" if n_years != 1 else ""
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return f"{n_decades} decade{s_decades}, {n_years} year{s_years}"
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