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ha_client/lib/entity_widgets/controls/slider_controls.dart

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2018-11-15 15:57:17 +02:00
part of '../../main.dart';
class SliderControlsWidget extends StatefulWidget {
SliderControlsWidget({Key key}) : super(key: key);
@override
_SliderControlsWidgetState createState() => _SliderControlsWidgetState();
}
class _SliderControlsWidgetState extends State<SliderControlsWidget> {
int _multiplier = 1;
double _newValue;
bool _changedHere = false;
void setNewState(newValue, domain, entityId) {
setState(() {
_newValue = newValue;
_changedHere = true;
});
eventBus.fire(new ServiceCallEvent(domain, "set_value", entityId,
{"value": "${newValue.toString()}"}));
}
@override
Widget build(BuildContext context) {
final entityModel = EntityModel.of(context);
final SliderEntity entity = entityModel.entityWrapper.entity;
2018-11-15 15:57:17 +02:00
if (entity.valueStep < 1) {
_multiplier = 10;
} else if (entity.valueStep < 0.1) {
_multiplier = 100;
}
if (!_changedHere) {
_newValue = entity.doubleState;
} else {
_changedHere = false;
}
Widget slider = Slider(
min: entity.minValue * _multiplier,
max: entity.maxValue * _multiplier,
value: (_newValue <= entity.maxValue) &&
(_newValue >= entity.minValue)
? _newValue * _multiplier
: entity.minValue * _multiplier,
onChanged: (value) {
setState(() {
_newValue = (value.roundToDouble() / _multiplier);
_changedHere = true;
});
},
onChangeEnd: (value) {
setNewState(value.roundToDouble() / _multiplier, entity.domain, entity.entityId);
},
);
return Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: <Widget>[
Text(
"$_newValue",
style: TextStyle(
fontSize: Sizes.largeFontSize,
color: Colors.blue
),
),
slider
],
);
}
}