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ComposeStateLayout.kt
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ComposeStateLayout.kt
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package com.zj.statelayout
import androidx.compose.foundation.layout.Box
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
enum class PageState {
LOADING,
EMPTY,
ERROR,
CONTENT
}
data class PageStateData(val status: PageState, val tag: Any? = null)
data class StateLayoutData(val pageStateData: PageStateData, val retry: OnRetry = {})
typealias OnRetry = (PageStateData) -> Unit
@Composable
fun ComposeStateLayout(
modifier: Modifier = Modifier,
pageStateData: PageStateData,
onRetry: OnRetry = { },
loading: @Composable (StateLayoutData) -> Unit = {},
empty: @Composable (StateLayoutData) -> Unit = {},
error: @Composable (StateLayoutData) -> Unit = {},
content: @Composable () -> Unit = { }
) {
val stateLayoutData = StateLayoutData(pageStateData, onRetry)
Box(modifier = modifier) {
when (pageStateData.status) {
PageState.LOADING -> loading(stateLayoutData)
PageState.EMPTY -> empty(stateLayoutData)
PageState.ERROR -> error(stateLayoutData)
PageState.CONTENT -> content()
}
}
}