41 lines
994 B
Dart
41 lines
994 B
Dart
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part of 'widget.dart';
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class ViewRange {
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const ViewRange._(this.firstDay, this.dates);
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/// Creates custom filled [ViewRange] instance.
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const ViewRange.custom(
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DateTime firstDay,
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List<DateTime> dates,
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) : this._(firstDay, dates);
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/// Generates [ViewRange] instance based on [date],
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/// number of [month] and [weeksAmount].
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/// gives the beginning of the day of the week [startWeekDay]
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factory ViewRange.generateDates(
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DateTime date,
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int month,
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int weeksAmount, {
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int? startWeekDay,
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}) {
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final firstMonthDate = DateTime.utc(date.year, month, 1);
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final firstViewDate =
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firstMonthDate.firstDayOfWeek(startWeekDay: startWeekDay);
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return ViewRange._(
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firstMonthDate,
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List.generate(
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weeksAmount * 7,
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(index) => firstViewDate.add(Duration(days: index)),
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growable: false,
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),
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);
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}
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/// Month view index.
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final DateTime firstDay;
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/// Month view dates.
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final List<DateTime> dates;
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}
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