BloomVirtualItem class

Represents a single visible row or item calculated by BloomVirtualizer.

Contains the item's original index in the backing dataset, along with its pixel layout positioning within the scroll container: start offset and size.

Div(
  style: 'position: absolute; top: 0; left: 0; width: 100%; '
         'height: ${item.size}px; transform: translateY(${item.start}px);',
  text: 'Item #${item.index}',
)

Constructors

BloomVirtualItem({required int index, required double start, required double size})

Creates a BloomVirtualItem with the given index, start offset, and size.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

index → int

The zero-based index of this item within the full collection.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

size → double

The rendered height or dimension of this item in pixels.

final

start → double

The top pixel offset of this item relative to the scroll container's inner content.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited