CompactorDelegate class abstract

A strategy delegate for compacting the layout and resolving collisions.

Implement this interface to create custom layout behaviors (e.g. Tetris-like, Gravity-based, or fixed-position layouts).

Implementers

• FastHorizontalCompactor
• FastVerticalCompactor
• HorizontalCompactor
• NoCompactor
• VerticalCompactor

Constructors

CompactorDelegate()

Constructor for CompactorDelegate.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

compact(List<LayoutItem> layout, int cols, {bool allowOverlap = false}) → List<LayoutItem>

Compacts the layout by removing gaps according to specific rules.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

resolveCollisions(List<LayoutItem> layout, int cols) → Layout

Resolves overlaps by pushing items without necessarily compacting (pulling back). Used primarily during drag operations to ensure validity without fighting the user.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited