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Added on tap functionality #137

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Added on tap functionality #137

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43 changes: 28 additions & 15 deletions lib/src/numberpicker.dart
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import 'package:flutter/foundation.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:infinite_listview/infinite_listview.dart';
Expand Down Expand Up @@ -80,7 +80,7 @@ class NumberPicker extends StatefulWidget {
super(key: key);

@override
_NumberPickerState createState() => _NumberPickerState();
State<NumberPicker> createState() => _NumberPickerState();
}

class _NumberPickerState extends State<NumberPicker> {
Expand Down Expand Up @@ -108,7 +108,7 @@ class _NumberPickerState extends State<NumberPicker> {
indexOfMiddleElement = indexOfMiddleElement.clamp(0, itemCount - 1);
}
final intValueInTheMiddle =
_intValueFromIndex(indexOfMiddleElement + additionalItemsOnEachSide);
_intValueFromIndex(indexOfMiddleElement + additionalItemsOnEachSide);

if (widget.value != intValueInTheMiddle) {
widget.onChanged(intValueInTheMiddle);
Expand All @@ -117,8 +117,8 @@ class _NumberPickerState extends State<NumberPicker> {
}
}
Future.delayed(
Duration(milliseconds: 100),
() => _maybeCenterValue(),
const Duration(milliseconds: 100),
() => _maybeCenterValue(),
);
}

Expand Down Expand Up @@ -206,17 +206,30 @@ class _NumberPickerState extends State<NumberPicker> {
final itemStyle = value == widget.value ? selectedStyle : defaultStyle;

final child = isExtra
? SizedBox.shrink()
? const SizedBox.shrink()
: Text(
_getDisplayedValue(value),
style: itemStyle,
);
_getDisplayedValue(value),
style: itemStyle,
);

return Container(
width: widget.itemWidth,
height: widget.itemHeight,
alignment: Alignment.center,
child: child,
return CupertinoButton(
onPressed: () {
if (!isExtra) {
widget.onChanged(value);
Future.delayed(
const Duration(milliseconds: 100),
() => _maybeCenterValue(),
);
}
},
padding: EdgeInsets.zero,
minSize: 0,
child: Container(
width: widget.itemWidth,
height: widget.itemHeight,
alignment: Alignment.center,
child: child,
),
);
}

Expand Down Expand Up @@ -248,7 +261,7 @@ class _NumberPickerState extends State<NumberPicker> {
}
_scrollController.animateTo(
index * itemExtent,
duration: Duration(milliseconds: 300),
duration: const Duration(milliseconds: 300),
curve: Curves.easeOutCubic,
);
}
Expand Down