95 lines
2.2 KiB
Dart
95 lines
2.2 KiB
Dart
import 'package:flutter/widgets.dart';
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import 'package:logger/logger.dart';
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import '../../core/util/logger.dart';
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import '../enums/viewstate.dart';
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class BaseModel extends ChangeNotifier {
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static const String stateViewKey = 'viewState';
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static const String stateMessageKey = 'viewMessage';
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final Logger _logger = getLogger();
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bool _isDisposed = false;
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final Map<String, Object?> _stateMap = {
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stateViewKey: ViewState.idle,
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stateMessageKey: null
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};
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ViewState? get state => _stateMap[stateViewKey] as ViewState?;
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String? get stateMessage => _stateMap[stateMessageKey] as String?;
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bool getStateValueAsBoolean(String key) {
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if (_stateMap.containsKey(key) && _stateMap[key] is bool) {
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return _stateMap[key] as bool;
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}
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return false;
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}
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String? getStateValueAsString(String key) {
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if (_stateMap.containsKey(key) && _stateMap[key] is String) {
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return _stateMap[key] as String;
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}
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return null;
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}
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int? getStateValueAsInt(String key) {
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if (_stateMap.containsKey(key) && _stateMap[key] is int) {
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return _stateMap[key] as int;
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}
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return null;
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}
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void setStateBoolValue(String key, bool stateValue) =>
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_setStateValue(key, stateValue);
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void setStateIntValue(String key, int? stateValue) =>
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_setStateValue(key, stateValue);
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void setStateStringValue(String key, String? stateValue) =>
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_setStateValue(key, stateValue);
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void _setStateValue(String key, Object? stateValue) {
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if (_stateMap.containsKey(key)) {
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_stateMap.update(key, (value) => stateValue);
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} else {
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_stateMap.putIfAbsent(key, () => stateValue);
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}
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if (!_isDisposed) {
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notifyListeners();
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_logger
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.d("Notified state value update '($key, ${stateValue.toString()})'");
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}
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}
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void removeStateValue(String key) {
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_stateMap.remove(key);
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if (!_isDisposed) {
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notifyListeners();
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_logger.d("Notified state removal of '$key'");
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}
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}
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void setStateView(ViewState stateView) {
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_setStateValue(stateViewKey, stateView);
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}
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void setStateMessage(String? stateMessage) {
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_setStateValue(stateMessageKey, stateMessage);
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}
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@override
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void dispose() {
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_logger.d("Calling dispose");
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super.dispose();
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_isDisposed = true;
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}
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}
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