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complete InfinityPagedComponentContext

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InsanusMokrassar
2025-03-01 22:04:41 +06:00
parent ea527b5e91
commit 0a5cfaba18
1 changed files with 10 additions and 31 deletions
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41
pagination/compose/src/commonMain/kotlin/InfinityPagedComponent.kt
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@@ -1,21 +1,15 @@
package dev.inmo.micro_utils.pagination.compose package dev.inmo.micro_utils.pagination.compose
import androidx.compose.runtime.* import androidx.compose.runtime.*
import dev.inmo.micro_utils.common.Optional
import dev.inmo.micro_utils.common.dataOrThrow
import dev.inmo.micro_utils.common.optional
import dev.inmo.micro_utils.pagination.* import dev.inmo.micro_utils.pagination.*
class InfinityPagedComponentContext<T> internal constructor( class InfinityPagedComponentContext<T> internal constructor(
preset: List<T>? = null, page: Int,
initialPage: Int,
size: Int size: Int
) { ) {
internal val iterationState: MutableState<Pair<Int, Pagination>> = mutableStateOf(0 to SimplePagination(preset ?.page ?: initialPage, preset ?.size ?: size)) internal val iterationState: MutableState<Pair<Int, Pagination>> = mutableStateOf(0 to SimplePagination(page, size))
internal var dataOptional: List<T>? = preset internal val dataState: MutableState<List<T>?> = mutableStateOf(null)
private set
internal val dataState: MutableState<List<T>?> = mutableStateOf(dataOptional)
fun loadNext() { fun loadNext() {
iterationState.value = iterationState.value.let { iterationState.value = iterationState.value.let {
@@ -24,6 +18,7 @@ class InfinityPagedComponentContext<T> internal constructor(
} }
} }
fun reload() { fun reload() {
dataState.value = null
iterationState.value = iterationState.value.let { iterationState.value = iterationState.value.let {
(it.first + 1) to (it.second.firstPage()) (it.first + 1) to (it.second.firstPage())
} }
@@ -32,38 +27,22 @@ class InfinityPagedComponentContext<T> internal constructor(
@Composable @Composable
internal fun <T> InfinityPagedComponent( internal fun <T> InfinityPagedComponent(
preload: List<T>?, page: Int,
initialPage: Int,
size: Int, size: Int,
loader: suspend PagedComponentContext<T>.(Pagination) -> PaginationResult<T>, loader: suspend InfinityPagedComponentContext<T>.(Pagination) -> PaginationResult<T>,
block: @Composable PagedComponentContext<T>.(List<T>) -> Unit block: @Composable InfinityPagedComponentContext<T>.(List<T>?) -> Unit
) { ) {
val context = remember { InfinityPagedComponentContext(preload, initialPage, size) } val context = remember { InfinityPagedComponentContext<T>(page, size) }
LaunchedEffect(context.iterationState.value) { LaunchedEffect(context.iterationState.value) {
context.dataState.value = loader(context, context.iterationState.value.second) context.dataState.value = (context.dataState.value ?: emptyList()) + loader(context, context.iterationState.value.second).results
} }
context.dataState.value ?.let { context.dataState.value ?.let {
context.block() context.block(context.dataState.value)
} }
} }
@Composable
fun <T> InfinityPagedComponent(
preload: PaginationResult<T>,
loader: suspend PagedComponentContext<T>.(Pagination) -> PaginationResult<T>,
block: @Composable PagedComponentContext<T>.(PaginationResult<T>) -> Unit
) {
PagedComponent(
preload,
preload.page,
preload.size,
loader,
block
)
}
@Composable @Composable
fun <T> InfinityPagedComponent( fun <T> InfinityPagedComponent(
pageInfo: Pagination, pageInfo: Pagination,