61 lines
2.2 KiB
Kotlin
61 lines
2.2 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This is example code for the 'Simplified Example' section of
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// /docs/architecture-overview.md
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class HistoryFragment : Fragment() {
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private val store by lazy {
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StoreProvider.get(this) {
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HistoryStore(
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initialState = HistoryState.initial,
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middleware = listOf(
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HistoryNavigationMiddleware(findNavController())
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HistoryStorageMiddleware(HistoryStorage()),
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HistoryTelemetryMiddleware(),
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)
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)
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}
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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return ComposeView(requireContext()).apply {
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setContent {
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HistoryScreen(store)
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}
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}
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}
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}
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@Composable
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private fun HistoryScreen(store: HistoryStore) {
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val state = store.observeAsState(initialValue = HistoryState.initial) { state -> state }
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val listState = rememberLazyListState()
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LazyColumn(listState) {
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if (state.selectedItems.isNotEmpty()) {
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HistoryMultiSelectHeader(
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onDeleteSelectedClick = {
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store.dispatch(HistoryAction.DeleteItems(state.selectedItems))
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}
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)
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} else {
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HistoryHeader(
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onDeleteAllClick = { store.dispatch(HistoryAction.DeleteItems(state.items)) }
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)
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}
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items(items = state.displayItems, key = { item -> item.id } ) { item ->
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val isSelected = state.selectedItems.find { selectedItem ->
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selectdItem == item
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}
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HistoryItem(
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item = item,
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isSelected = isSelected,
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onClick = { store.dispatch(HistoryAction.OpenItem(item)) },
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onLongClick = { store.dispatch(HistoryAction.ToggleItemSelection(item)) },
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onDeleteClick = { store.dispatch(HistoryAction.DeleteItems(listOf(item))) },
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)
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}
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}
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}
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