manager-app/lib/Components/multi_select_container.dart
2021-05-01 01:10:53 +02:00

101 lines
2.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:manager_app/constants.dart';
class MultiSelectContainer extends StatelessWidget {
final Color color;
final String label;
final List<String> values;
final List<String> initialValue;
final bool isMultiple;
final ValueChanged<List<dynamic>> onChanged;
const MultiSelectContainer({
Key key,
this.color = kSecond,
this.label,
this.values,
this.initialValue,
this.isMultiple,
this.onChanged,
}) : super(key: key);
@override
Widget build(BuildContext context) {
Size size = MediaQuery.of(context).size;
return Container(
child: Row(
children: [
Align(
alignment: AlignmentDirectional.centerStart,
child: Text(label, style: TextStyle(fontSize: 25, fontWeight: FontWeight.w300))
),
Padding(
padding: const EdgeInsets.all(10.0),
child: Container(
width: size.width *0.2,
child: MultiSelectChip(
values,
initialValue,
isMultiple,
onSelectionChanged: (selectedList) {
onChanged(selectedList);
},
),
),
),
],
),
);
}
}
class MultiSelectChip extends StatefulWidget {
final List<String> values;
final List<String> selectedValues;
final Function(List<String>) onSelectionChanged; // +added
final bool isMultiple;
MultiSelectChip(
this.values,
this.selectedValues,
this.isMultiple,
{this.onSelectionChanged} // +added
);
@override
_MultiSelectChipState createState() => _MultiSelectChipState();
}
class _MultiSelectChipState extends State<MultiSelectChip> {
_buildChoiceList() {
List<Widget> choices = List();
widget.values.forEach((item) {
choices.add(Container(
padding: const EdgeInsets.all(2.0),
child: ChoiceChip(
label: Text(item, style: TextStyle(color: kBlack)),
selected: widget.selectedValues.contains(item),
selectedColor: kPrimaryColor,
onSelected: (selected) {
setState(() {
if (widget.isMultiple) {
widget.selectedValues.contains(item)
? widget.selectedValues.remove(item)
: widget.selectedValues.add(item);
widget.onSelectionChanged(widget.selectedValues);
} else {
widget.selectedValues.clear();
widget.selectedValues.add(item);
widget.onSelectionChanged(widget.selectedValues);
}
// +added
});
},
),
));
});
return choices;
}
@override
Widget build(BuildContext context) {
return Wrap(
children: _buildChoiceList(),
);
}
}