choiceSelectorAll property
Returns the choices selector widget
Implementation
@override
Widget get choiceSelectorAll {
return Checkbox(
activeColor: choiceActiveStyle?.color ?? defaultActiveChoiceStyle.color,
value: selection!.length == choices!.length
? true
: selection!.length == 0
? false
: null,
tristate: true,
onChanged: (value) {
if (value == true) {
selection!.merge(choices!.items!);
} else {
selection!.clear();
}
},
);
}