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Merge pull request #22 from RedCommander735/6-select-item-on-longpress
[FEATURE] Select item on long press
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| import 'package:flutter/material.dart'; | ||
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| class Popup { | ||
| static showAlert( | ||
| {required BuildContext context, | ||
| required String title, | ||
| required String content, | ||
| String? snackBarText, | ||
| required void Function() onConfirm, | ||
| void Function()? onDeny}) { | ||
| showDialog<void>( | ||
| context: context, | ||
| builder: (context) => AlertDialog( | ||
| title: Text(title), | ||
| content: Text(content), | ||
| actions: [ | ||
| TextButton( | ||
| child: const Text('Abbrechen'), | ||
| onPressed: () { | ||
| if (onDeny != null) onDeny(); | ||
| Navigator.of(context).pop(); | ||
| }, | ||
| ), | ||
| TextButton( | ||
| child: const Text('Bestätigen'), | ||
| onPressed: () { | ||
| if (snackBarText != null) { | ||
| ScaffoldMessenger.of(context).showSnackBar(SnackBar( | ||
| content: Text(snackBarText), | ||
| showCloseIcon: true, | ||
| )); | ||
| } | ||
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| onConfirm(); | ||
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| Navigator.of(context).pop(); | ||
| }, | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,52 +1,96 @@ | ||
| import 'dart:collection'; | ||
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| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/widgets.dart'; | ||
| import 'package:spritverbrauch/src/utils/sqlite_service.dart'; | ||
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| class ItemListModel extends ChangeNotifier { | ||
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| late SqliteService _sqliteService; | ||
| bool _sqliteInitialized = false; | ||
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| List<ListItem> _items = []; | ||
| int _hiddenEntries = 0; | ||
| DateTime? _start; | ||
| DateTime? _end; | ||
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| bool _multiselect = false; | ||
| ValueNotifier<bool> openCloseDial = ValueNotifier(false); | ||
| int selected = 0; | ||
|
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| UnmodifiableListView<ListItem> get items => UnmodifiableListView(_items); | ||
| int get hiddenEntries => _hiddenEntries; | ||
|
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| bool get multiselect => _multiselect; | ||
|
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| set multiselect(bool enabled) { | ||
| if (!enabled) { | ||
| deselectAll(); | ||
| } else { | ||
| openCloseDial.value = true; | ||
| } | ||
| _multiselect = enabled; | ||
| } | ||
|
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| void load() async { | ||
| final sqlitesevice = SqliteService(); | ||
| final list = await sqlitesevice.getItems(); | ||
| if (!_sqliteInitialized) { | ||
| _sqliteService = SqliteService(); | ||
| _sqliteInitialized = true; | ||
| } | ||
| final list = await _sqliteService.getItems(); | ||
| _items = list; | ||
|
|
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| notifyListeners(); | ||
| } | ||
|
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| void loadFiltered({DateTime? start, DateTime? end}) async { | ||
| _start = start; | ||
| _end = end; | ||
| final sqlitesevice = SqliteService(); | ||
| final list = await sqlitesevice.getItems(); | ||
| final listFiltered = await sqlitesevice.getItemsFiltered(start ?? DateTime(1970), end ?? DateTime.now()); | ||
| final list = await _sqliteService.getItems(); | ||
| final listFiltered = await _sqliteService.getItemsFiltered(start ?? DateTime(1970), end ?? DateTime.now()); | ||
| _items = listFiltered; | ||
| _hiddenEntries = list.length - listFiltered.length; | ||
|
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| notifyListeners(); | ||
| } | ||
|
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|
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| void add(ListItem item) { | ||
| final sqlitesevice = SqliteService(); | ||
| sqlitesevice.createItem(item); | ||
| _sqliteService.createItem(item); | ||
| _items.add(item); | ||
|
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| notifyListeners(); | ||
| } | ||
|
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| void remove(List<ListItem> passedItems) { | ||
| for (var item in passedItems) { | ||
| _sqliteService.deleteItem(item.id); | ||
| _items.remove(item); | ||
| } | ||
| } | ||
|
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| List<ListItem> get getSelected { | ||
| return UnmodifiableListView(_items.where((element) => element.selected)); | ||
| } | ||
|
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| void select(List<ListItem> passedItems) { | ||
| for (var item in passedItems) { | ||
| item.selected = !item.selected; | ||
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| if (item.selected) { | ||
| selected += 1; | ||
| } else { | ||
| selected -= 1; | ||
| } | ||
|
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| if (selected < 1) { | ||
| _multiselect = false; | ||
| openCloseDial.value = false; | ||
| } | ||
| } | ||
|
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| void remove(ListItem item) { | ||
| final sqlitesevice = SqliteService(); | ||
| sqlitesevice.deleteItem(item.id).then((value) => { | ||
| if (value > 0) {loadFiltered(start: _start, end: _end)}}); | ||
| notifyListeners(); | ||
| } | ||
|
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| void deselectAll() { | ||
| for (ListItem item in _items) { | ||
| item.selected = false; | ||
| } | ||
| selected = 0; | ||
| notifyListeners(); | ||
| } | ||
| } |
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