Struct GeneratorClerk 

pub struct GeneratorClerk<Index, G: DataGenerator<Index>> { /* private fields */ }

An implementation of DataClerk for data generators

Implementations

impl<Index: Default, G: DataGenerator<Index>> GeneratorClerk<Index, G>

pub fn new(generator: G) -> Self

Construct a GeneratorClerk

pub fn generator(&self) -> &G

Access the inner generator

Trait Implementations

impl<Index: DataKey, G: DataGenerator<Index>> DataClerk<Index> for GeneratorClerk<Index, G>

type Data = <G as DataGenerator<Index>>::Data

Input data type (of parent widget)

type Key = <G as DataGenerator<Index>>::Key

Key type

type Item = <G as DataGenerator<Index>>::Item

Item type

type Token = Token<<GeneratorClerk<Index, G> as DataClerk<Index>>::Key, <GeneratorClerk<Index, G> as DataClerk<Index>>::Item>

Token type

fn update( &mut self, _: &mut ConfigCx<'_>, _: Id, _: Range<Index>, data: &Self::Data, ) -> DataChanges<Index>

Update the clerk

fn len(&self, data: &Self::Data, lbound: Index) -> DataLen<Index>

Get the number of indexable items

fn update_token( &self, data: &Self::Data, index: Index, update_item: bool, token: &mut Option<Self::Token>, ) -> TokenChanges

Update a token for the given index

fn item<'r>( &'r self, _: &'r Self::Data, token: &'r Self::Token, ) -> &'r Self::Item

Get the data item for the given token

fn prepare_range( &mut self, cx: &mut ConfigCx<'_>, id: Id, view_range: Range<Index>, data: &Self::Data, range: Range<Index>, )

Prepare a range

fn handle_messages( &mut self, cx: &mut EventCx<'_>, id: Id, view_range: Range<Index>, data: &Self::Data, opt_key: Option<Self::Key>, ) -> DataChanges<Index>

Handle an async message