decodeMaterialStatePropertyColor static method
MaterialStateProperty<Color?> ?
decodeMaterialStatePropertyColor(
- dynamic value, {
- bool validate = true,
Decodes a value
into a Color based MaterialStateProperty. This
accepts a Color or a String which will be resolved for all states.
Alternatively, if the value
is a Map then this expects the following
format:
{
"disabled": <Color>,
"dragged": <Color>,
"empty": <Color>,
"error": <Color>,
"focused": <Color>,
"hovered": <Color>,
"pressed": <Color>,
"scrolledUnder": <Color>,
"selected": <Color>
}
See also:
Implementation
static MaterialStateProperty<Color?>? decodeMaterialStatePropertyColor(
dynamic value, {
bool validate = true,
}) {
MaterialStateProperty<Color?>? result;
if (value is MaterialStateProperty<Color?>) {
result = value;
} else if (value != null) {
if (value is Color) {
result = MaterialStateProperty.all<Color?>(value);
} else if (value is String) {
result = MaterialStateProperty.all<Color?>(decodeColor(value));
} else if (value is Map) {
assert(SchemaValidator.validate(
schemaId: '$_baseSchemaUrl/material_state_property_color',
value: value,
validate: validate,
));
result = MaterialStateProperty.resolveWith((states) {
Color? result;
if (states.contains(MaterialState.disabled)) {
result = decodeColor(value['disabled']);
} else if (states.contains(MaterialState.dragged)) {
result = decodeColor(value['dragged']);
} else if (states.contains(MaterialState.error)) {
result = decodeColor(value['error']);
} else if (states.contains(MaterialState.focused)) {
result = decodeColor(value['focused']);
} else if (states.contains(MaterialState.pressed)) {
result = decodeColor(value['pressed']);
} else if (states.contains(MaterialState.hovered)) {
result = decodeColor(value['hovered']);
} else if (states.contains(MaterialState.scrolledUnder)) {
result = decodeColor(value['scrolledUnder']);
} else if (states.contains(MaterialState.selected)) {
result = decodeColor(value['selected']);
} else {
result = decodeColor(value['empty']);
}
return result;
});
} else {
result = MaterialStateProperty.all<Color?>(value);
}
}
return result;
}