68 lines
1.8 KiB
Dart
68 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'colors.dart';
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import 'package:comunes_flutter/comunes_flutter.dart';
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import 'package:padder/padding.dart';
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typedef void SlideCallback(int distance);
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class FireDistanceSlider extends StatefulWidget {
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final int initialValue;
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final SlideCallback onSlide;
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FireDistanceSlider({this.initialValue, this.onSlide});
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@override
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_FireDistanceSliderState createState() => new _FireDistanceSliderState(
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initialValue: initialValue, onSlide: onSlide);
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}
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class _FireDistanceSliderState extends State<FireDistanceSlider> {
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int _sliderValue;
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final SlideCallback onSlide;
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_FireDistanceSliderState({int initialValue = 10, this.onSlide}) {
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this._sliderValue = initialValue;
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}
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sizeText(_sliderValue) =>
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new Text('Subscribe to $_sliderValue км around this area');
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warningText(_sliderValue) => _sliderValue >= 50
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? new Text('Warning: this is a very large area',
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style: new TextStyle(color: fires900))
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: new Text('');
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@override
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Widget build(BuildContext context) {
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var slider = new Slider(
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value: _sliderValue + 0.0,
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activeColor: fires900,
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inactiveColor: Colors.black45,
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min: 1.0,
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max: 100.0,
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divisions: 99,
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label: '${_sliderValue.round()}',
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onChanged: (double value) {
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_sliderValue = value.round();
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if (onSlide != null) {
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onSlide(_sliderValue);
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}
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setState(() {});
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},
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);
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return new Column(
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mainAxisSize: MainAxisSize.min,
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children: listWithoutNulls(<Widget>[
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slider,
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new Card(
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color: const Color(0x60FFFFFF),
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child: PaddingAll(10.0,
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child: new Column(children: <Widget>[
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sizeText(_sliderValue),
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warningText(_sliderValue)
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])))
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]),
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);
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}
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}
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