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ha_client/lib/ui_widgets/view.dart

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part of '../main.dart';
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class ViewWidget extends StatefulWidget {
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final HAView view;
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const ViewWidget({
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Key key,
this.view
}) : super(key: key);
@override
State<StatefulWidget> createState() {
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return ViewWidgetState();
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}
}
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class ViewWidgetState extends State<ViewWidget> {
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StreamSubscription _refreshDataSubscription;
Completer _refreshCompleter;
@override
void initState() {
super.initState();
_refreshDataSubscription = eventBus.on<RefreshDataFinishedEvent>().listen((event) {
if ((_refreshCompleter != null) && (!_refreshCompleter.isCompleted)) {
_refreshCompleter.complete();
}
});
}
@override
Widget build(BuildContext context) {
return RefreshIndicator(
color: Colors.amber,
child: ListView(
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padding: EdgeInsets.all(0.0),
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physics: const AlwaysScrollableScrollPhysics(),
children: _buildChildren(context),
),
onRefresh: () => _refreshData(),
);
}
List<Widget> _buildChildren(BuildContext context) {
List<Widget> result = [];
if (widget.view.badges.isNotEmpty) {
result.insert(0,
Wrap(
alignment: WrapAlignment.center,
spacing: 10.0,
runSpacing: 1.0,
children: _buildBadges(context),
)
);
}
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widget.view.cards.forEach((HACard card){
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result.add(
card.build(context)
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);
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});
return result;
}
List<Widget> _buildBadges(BuildContext context) {
List<Widget> result = [];
widget.view.badges.forEach((Entity entity) {
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if (!entity.isHidden) {
result.add(entity.buildBadgeWidget(context));
}
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});
return result;
}
Future _refreshData() {
if ((_refreshCompleter != null) && (!_refreshCompleter.isCompleted)) {
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TheLogger.debug("Previous data refresh is still in progress");
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} else {
_refreshCompleter = Completer();
eventBus.fire(RefreshDataEvent());
}
return _refreshCompleter.future;
}
@override
void dispose() {
_refreshDataSubscription.cancel();
super.dispose();
}
}