1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (C) 2025, uvok cheetah
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'package:uvok_epaper_badge/model/device/device.dart';
import 'package:flutter/material.dart';
import 'package:uvok_epaper_badge/widgets/notifying_list_widget.dart';
class DeviceScanSelection extends NotifyingListWidget<Device> {
const DeviceScanSelection({
super.key,
required super.items,
required super.onItemSelected,
});
@override
State<DeviceScanSelection> createState() => _DeviceScanSelectionState();
}
class _DeviceScanSelectionState extends State<DeviceScanSelection> {
int selectedResult = -1;
@override
Widget build(BuildContext context) {
return Expanded(
child: ListView.separated(
itemCount: widget.items.length,
itemBuilder: (context, index) {
if (index >= widget.items.length) return null;
final Device result = widget.items[index];
final String name = result.name ?? "???";
return ListTile(
title: Text(name),
subtitle: Text(result.address ?? "???"),
trailing: Text('RSSI: ${result.rssi}'),
selectedTileColor: Colors.amber,
selectedColor: Colors.black,
onTap: () {
setState(() {
selectedResult = index;
});
widget.onItemSelected(result);
},
selected: selectedResult == index,
);
},
separatorBuilder: (BuildContext context, int index) {
return Divider();
},
),
);
}
@override
void didUpdateWidget(covariant DeviceScanSelection oldWidget) {
super.didUpdateWidget(oldWidget);
if (!_deviceListEqual(oldWidget.items, widget.items)) {
setState(() {
selectedResult = -1;
});
}
}
bool _deviceListEqual(List<Device> oldList, List<Device> newList) {
if (oldList.length != newList.length) return false;
for (int i = 0; i < oldList.length; i++) {
if (oldList[i].address != newList[i].address) {
return false;
}
}
return true;
}
}
|