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,
validate: false,
));
} 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'],
validate: false,
);
} else if (states.contains(MaterialState.dragged)) {
result = decodeColor(
value['dragged'],
validate: false,
);
} else if (states.contains(MaterialState.error)) {
result = decodeColor(
value['error'],
validate: false,
);
} else if (states.contains(MaterialState.focused)) {
result = decodeColor(
value['focused'],
validate: false,
);
} else if (states.contains(MaterialState.pressed)) {
result = decodeColor(
value['pressed'],
validate: false,
);
} else if (states.contains(MaterialState.hovered)) {
result = decodeColor(
value['hovered'],
validate: false,
);
} else if (states.contains(MaterialState.scrolledUnder)) {
result = decodeColor(
value['scrolledUnder'],
validate: false,
);
} else if (states.contains(MaterialState.selected)) {
result = decodeColor(
value['selected'],
validate: false,
);
} else {
result = decodeColor(
value['empty'],
validate: false,
);
}
return result;
});
} else {
result = MaterialStateProperty.all<Color?>(value);
}
}
return result;
}