mirror of
https://github.com/rustdesk/rustdesk.git
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f5cf291f55
Signed-off-by: 21pages <pages21@163.com>
155 lines
4.0 KiB
Dart
155 lines
4.0 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_hbb/models/peer_model.dart';
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import 'package:flutter_hbb/models/platform_model.dart';
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import 'package:get/get.dart';
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import '../common.dart';
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import 'model.dart';
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enum PeerTabIndex {
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recent,
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fav,
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lan,
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ab,
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group,
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}
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const String defaultGroupTabname = 'Group';
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class PeerTabModel with ChangeNotifier {
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WeakReference<FFI> parent;
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int get currentTab => _currentTab;
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int _currentTab = 0; // index in tabNames
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List<String> tabNames = [
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'Recent Sessions',
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'Favorites',
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'Discovered',
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'Address Book',
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//defaultGroupTabname,
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];
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final List<IconData> icons = [
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Icons.access_time_filled,
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Icons.star,
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Icons.explore,
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IconFont.addressBook,
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Icons.group,
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];
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List<int> get indexs => List.generate(tabNames.length, (index) => index);
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List<Peer> _selectedPeers = List.empty(growable: true);
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List<Peer> get selectedPeers => _selectedPeers;
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bool get multiSelectionMode => _selectedPeers.isNotEmpty;
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List<Peer> _currentTabCachedPeers = List.empty(growable: true);
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List<Peer> get currentTabCachedPeers => _currentTabCachedPeers;
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bool isShiftDown = false;
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String? _shiftAnchorId;
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PeerTabModel(this.parent) {
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// init currentTab
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_currentTab =
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int.tryParse(bind.getLocalFlutterConfig(k: 'peer-tab-index')) ?? 0;
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if (_currentTab < 0 || _currentTab >= tabNames.length) {
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_currentTab = 0;
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}
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}
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setCurrentTab(int index) {
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if (_currentTab != index) {
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_currentTab = index;
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notifyListeners();
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}
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}
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String tabTooltip(int index, String groupName) {
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if (index >= 0 && index < tabNames.length) {
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if (index == PeerTabIndex.group.index) {
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if (gFFI.userModel.isAdmin.value || groupName.isEmpty) {
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return translate(defaultGroupTabname);
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} else {
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return '${translate('Group')}: $groupName';
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}
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} else {
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return translate(tabNames[index]);
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}
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}
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assert(false);
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return index.toString();
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}
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IconData tabIcon(int index) {
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if (index >= 0 && index < tabNames.length) {
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return icons[index];
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}
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assert(false);
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return Icons.help;
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}
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togglePeerSelect(Peer peer) {
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final cached = _currentTabCachedPeers.map((e) => e.id).toList();
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int thisIndex = cached.indexOf(peer.id);
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int closestIndex = -1;
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String? closestId;
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int smallestDiff = -1;
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for (var i = 0; i < cached.length; i++) {
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if (isPeerSelected(cached[i])) {
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int diff = (i - thisIndex).abs();
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if (smallestDiff == -1 || diff < smallestDiff) {
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closestIndex = i;
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closestId = cached[i];
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smallestDiff = diff;
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}
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}
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}
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if (isShiftDown &&
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thisIndex >= 0 &&
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closestIndex >= 0 &&
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closestId != null) {
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int shiftAnchorIndex = cached.indexOf(_shiftAnchorId ?? '');
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if (shiftAnchorIndex < 0) {
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// use closest as shift anchor, rather than focused which we don't have
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shiftAnchorIndex = closestIndex;
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_shiftAnchorId = closestId;
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}
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int start = min(shiftAnchorIndex, thisIndex);
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int end = max(shiftAnchorIndex, thisIndex);
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_selectedPeers.clear();
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for (var i = start; i <= end; i++) {
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if (!isPeerSelected(cached[i])) {
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_selectedPeers.add(_currentTabCachedPeers[i]);
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}
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}
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} else {
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if (isPeerSelected(peer.id)) {
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_selectedPeers.removeWhere((p) => p.id == peer.id);
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} else {
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_selectedPeers.add(peer);
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}
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_shiftAnchorId = null;
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}
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notifyListeners();
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}
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closeSelection() {
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_selectedPeers.clear();
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_shiftAnchorId = null;
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notifyListeners();
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}
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setCurrentTabCachedPeers(List<Peer> peers) {
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Future.delayed(Duration.zero, () {
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_currentTabCachedPeers = peers;
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notifyListeners();
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});
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}
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selectAll() {
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_selectedPeers = _currentTabCachedPeers.toList();
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notifyListeners();
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}
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bool isPeerSelected(String id) {
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return selectedPeers.firstWhereOrNull((p) => p.id == id) != null;
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}
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}
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