SwayzeHeaderState class

The value of SwayzeHeaderController.

A immutable state that holds information related to header of a table in an axis.

Annotations

• @immutable

Constructors

SwayzeHeaderState({required double defaultHeaderExtent, required int count, required Iterable<SwayzeHeaderData> headerData, required int frozenCount, int? elasticCount})

Creates a header state from an unsorted list of SwayzeHeaderData.

Properties

count → int

The amount of headers in this axis.

final

customSizedHeaders → Map<int, SwayzeHeaderData>

An unmodifiable map that indexes all custom sized headers of this axis.

late, final

defaultHeaderExtent → double

The default extent of all headers in this axis. Header that are not indexed on customSizedHeaders will assume this extent.

final

elasticCount → int

The amount of headers in this axis that exist only due to table's elastic expansion.

final

extent → double

The total extent of this axis.

late, final

frozenCount → int

The amount of headers frozen bound to the actual amount of headers in the axis.

no setter

frozenExtent → double

The total extent of the frozen headers in this axis.

late, final

hasCustomSizes → bool

true if there is any custom sized header in this axis.

late, final

hashCode → int

The hash code for this object.

no setter, override

orderedCustomSizedIndices → Iterable<int>

The ordered indices of all custom sized header in this index.

late, final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

totalCount → int

The amount of headers in this axis, including real and elastic headers.

late, final

Methods

copyWith({int? count, int? elasticCount, Iterable<SwayzeHeaderData>? headerData, int? frozenCount}) → SwayzeHeaderState

Copies the state overriding specific fields.

getHeaderExtentFor({required int index}) → double

get the extent of a specific header

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

setHeaderExtent(int index, double extent) → SwayzeHeaderState

Set the extent of a specific header

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override