102 lines
2.6 KiB
Dart
102 lines
2.6 KiB
Dart
part of '../main.dart';
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class UniversalSlider extends StatefulWidget {
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final Function onChanged;
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final Function onChangeEnd;
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final Function onChangeStart;
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final Widget leading;
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final Widget closing;
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final String title;
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final double min;
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final Color activeColor;
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final double max;
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final double value;
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final int divisions;
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final EdgeInsets padding;
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const UniversalSlider({Key key, this.onChanged, this.onChangeStart, this.activeColor, this.divisions, this.onChangeEnd, this.leading, this.closing, this.title, this.min, this.max, this.value, this.padding: const EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0)}) : super(key: key);
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@override
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State<StatefulWidget> createState() {
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return UniversalSliderState();
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}
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}
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class UniversalSliderState extends State<UniversalSlider> {
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double _value;
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bool _changeStarted = false;
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@override
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void initState() {
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_value = widget.value;
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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List <Widget> row = [];
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List <Widget> col = [];
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if (widget.leading != null) {
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row.add(widget.leading);
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}
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row.add(
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Flexible(
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child: Slider(
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value: _value ?? math.max(widget.max ?? 100, _value ?? 0),
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min: widget.min ?? 0,
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max: widget.max ?? 100,
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activeColor: widget.activeColor,
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onChangeStart: (value) {
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_changeStarted = true;
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widget.onChangeStart?.call(value);
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},
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divisions: widget.divisions,
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onChanged: (value) {
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setState(() {
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_value = value;
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});
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widget.onChanged?.call(value);
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},
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onChangeEnd: (value) {
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_changeStarted = false;
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setState(() {
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_value = value;
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});
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Timer(Duration(milliseconds: 500), () {
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if (!_changeStarted) {
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widget.onChangeEnd?.call(value);
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}
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});
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}
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),
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)
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);
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if (widget.closing != null) {
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row.add(widget.closing);
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}
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if (widget.title != null) {
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col.addAll(<Widget>[
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Container(height: Sizes.rowPadding,),
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Text('${widget.title}'),
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]);
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}
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col.addAll(<Widget>[
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Container(height: Sizes.rowPadding,),
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Row(
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mainAxisSize: MainAxisSize.min,
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children: row,
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),
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Container(height: Sizes.rowPadding,)
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]);
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return Padding(
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padding: widget.padding,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: col,
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),
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);
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}
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} |