51 lines
1.6 KiB
Dart
51 lines
1.6 KiB
Dart
import 'package:flutter/material.dart';
|
|
|
|
/// Use Icon as checkbox
|
|
class CheckboxIconFormField extends FormField<bool> {
|
|
CheckboxIconFormField({
|
|
Key key,
|
|
BuildContext context,
|
|
FormFieldSetter<bool> onSaved,
|
|
bool initialValue = false,
|
|
bool autovalidate = false,
|
|
bool enabled = true,
|
|
IconData trueIcon = Icons.check,
|
|
IconData falseIcon = Icons.check_box_outline_blank,
|
|
Color trueIconColor,
|
|
Color falseIconColor,
|
|
Color disabledColor,
|
|
double padding = 24.0,
|
|
double iconSize,
|
|
}) : super(
|
|
key: key,
|
|
onSaved: onSaved,
|
|
initialValue: initialValue,
|
|
autovalidate: autovalidate,
|
|
builder: (FormFieldState<bool> state) {
|
|
trueIconColor ??= (context == null
|
|
? null
|
|
: Theme.of(context).accentIconTheme.color);
|
|
|
|
return Padding(
|
|
padding: EdgeInsets.all(padding),
|
|
child: state.value
|
|
? _createTappableIcon(state, enabled, trueIcon,
|
|
trueIconColor, disabledColor, iconSize)
|
|
: _createTappableIcon(state, enabled, falseIcon,
|
|
falseIconColor, disabledColor, iconSize));
|
|
},
|
|
);
|
|
|
|
static Widget _createTappableIcon(FormFieldState<bool> state, bool enabled,
|
|
IconData icon, Color iconColor, Color disabledColor, double iconSize) {
|
|
return IconButton(
|
|
onPressed: enabled
|
|
? () {
|
|
state.didChange(!state.value);
|
|
}
|
|
: null,
|
|
icon: Icon(icon,
|
|
color: enabled ? iconColor : disabledColor, size: iconSize),
|
|
);
|
|
}
|
|
}
|