FormBlock class abstract

Abstract base class for content blocks within a form document.

Use FormBlock.fromJson factory to deserialize, which dispatches to the correct subtype based on the 'type' field.

Implementers

• FormCanvasBlock
• FormChartBlock
• FormConditionalBlock
• FormFieldBlock
• FormHeadingBlock
• FormImageBlock
• FormRepeatableBlock
• FormTableBlock
• FormTextBlock

Constructors

FormBlock({required String blockId, required FormBlockType type, required int index, Map<String, dynamic>? style})

FormBlock.fromJson(Map<String, dynamic> json)

Create the appropriate FormBlock subtype from JSON.

factory

Properties

blockId → String

Unique block identifier.

final

hashCode → int

The hash code for this object.

no setter, inherited

index → int

Block ordering index.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

style → Map<String, dynamic>?

Optional style properties.

final

type → FormBlockType

Type of this block.

final

Methods

baseToJson() → Map<String, dynamic>

Serialize common base fields to a map.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

Convert to JSON.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited