49 lines
1.4 KiB
Dart
49 lines
1.4 KiB
Dart
// SPDX-FileCopyrightText: 2026 FocusFlow contributors
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// SPDX-License-Identifier: AGPL-3.0-only
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/// Coordinates selected planning date state for FocusFlow.
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library;
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import 'package:flutter/foundation.dart';
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import 'package:scheduler_core/scheduler_core.dart';
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/// Reads the currently selected owner-local planning date.
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typedef SelectedDateReader = CivilDate Function();
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/// Owns the visible owner-local planning day.
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class SelectedDateController extends ChangeNotifier {
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/// Creates a selected-date controller initialized to [initialDate].
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SelectedDateController({required CivilDate initialDate})
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: _date = initialDate;
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/// Private state storing the currently selected date.
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CivilDate _date;
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/// Current visible owner-local planning date.
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CivilDate get date => _date;
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/// Selects [date] as the visible planning day.
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bool selectDate(CivilDate date) {
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if (date == _date) {
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logger.finer(() => 'Selected date unchanged. date=${date.toIsoString()}');
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return false;
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}
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logger.debug(
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() =>
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'Selected date changed. previous=${_date.toIsoString()} next=${date.toIsoString()}',
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);
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_date = date;
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notifyListeners();
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return true;
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}
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/// Moves the selected planning day backward by one civil day.
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bool selectPreviousDay() {
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return selectDate(_date.addDays(-1));
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}
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/// Moves the selected planning day forward by one civil day.
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bool selectNextDay() {
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return selectDate(_date.addDays(1));
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}
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}
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