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import SwiftUI
import WaterfallGrid
struct PostGridView: View {
@EnvironmentObject var settings: SettingsManager
@EnvironmentObject var manager: BooruManager
@State private var isSearchHistoryPresented = false
@Binding var selectedTab: Int
@Environment(\.isSearching)
private var isSearching
var filteredPosts: [BooruPost] {
manager.posts
.filter { settings.displayRatings.contains($0.rating) }
}
var body: some View {
ScrollViewReader { _ in
ScrollView {
if filteredPosts.isEmpty {
ProgressView()
.padding()
}
WaterfallGrid(filteredPosts, id: \.id) { post in
waterfallGridContent(post: post)
}
.gridStyle(columns: settings.thumbnailGridColumns)
.padding(8)
}
.searchable(text: $manager.searchText, prompt: "Tags")
.searchSuggestions {
if settings.searchSuggestionsMode != .disabled {
SearchSuggestionsView(
items: searchSuggestionsItems(),
searchText: $manager.searchText
)
}
}
.onSubmit(of: .search) {
manager.performSearch(settings: settings)
}
.navigationDestination(for: BooruPost.self) { post in
PostDetailsView(post: post)
}
.onChange(of: manager.searchText) { _, _ in
if manager.searchText.isEmpty, !isSearching, !manager.isNavigatingHistory {
Task { manager.performSearch() }
}
}
.toolbar {
#if os(macOS)
ToolbarItem {
Button(action: {
Task {
await manager.fetchPosts(page: 1, tags: manager.tags, replace: true)
}
}) {
Label("Refresh", systemImage: "arrow.clockwise")
}
.disabled(manager.isLoading)
}
#endif
#if !os(macOS)
ToolbarItem(placement: .bottomBar) {
Button(action: { Task { isSearchHistoryPresented.toggle() } }) {
Label("Search History", systemImage: "clock.arrow.circlepath")
}
}
if manager.isLoading { ToolbarItem { ProgressView() } }
#endif
PlatformSpecificToolbarItem {
Button(action: { Task { manager.loadNextPage() } }) {
Label(
"Manually Load Next Page",
systemImage: "arrow.down.to.line"
)
}
.disabled(manager.isLoading)
}
PlatformSpecificToolbarItem {
PostGridBookmarkButtonView()
.disabled(manager.tags.isEmpty)
}
PlatformSpecificToolbarItem {
Button(action: { manager.goBackInHistory() }) {
Label("Previous Search", systemImage: "chevron.left")
}
.disabled(!manager.canGoBackInHistory)
}
PlatformSpecificToolbarItem {
Button(action: { manager.goForwardInHistory() }) {
Label("Next Search", systemImage: "chevron.right")
}
.disabled(!manager.canGoForwardInHistory)
}
}
.navigationTitle("Posts")
.refreshable {
await manager.fetchPosts(page: 1, tags: manager.tags, replace: true)
}
.scrollDisabled(manager.isLoading)
.sheet(isPresented: $isSearchHistoryPresented) {
PostGridSearchHistoryView(
selectedTab: $selectedTab,
isPresented: $isSearchHistoryPresented
)
.frame(minHeight: 250)
}
#if !os(macOS)
.gesture(
DragGesture()
.onEnded { value in
if value.startLocation.x < 50 && value.translation.width > 100 {
manager.goBackInHistory()
debugPrint("ContentView: Swipe left, \(manager.searchHistory)")
}
if value.startLocation.x > (UIScreen.main.bounds.width - 50)
&& value.translation.width < -100
{
manager.goForwardInHistory()
debugPrint("ContentView: Swipe right, \(manager.searchHistory)")
}
}
)
#endif
}
}
private func waterfallGridContent(post: BooruPost) -> some View {
Button {
if !manager.isLoading { manager.selectedPost = post }
} label: {
PostGridThumbnailView(post: post, posts: filteredPosts)
}
.buttonStyle(PlainButtonStyle())
.contextMenu {
Button(action: { manager.selectedPost = post }) {
Label("Select Post", systemImage: "arrow.right.circle")
}
}
}
private func searchSuggestionsItems() -> [Either<BooruTag, BooruSearchQuery>] {
let items: [Either<BooruTag, BooruSearchQuery>]
switch settings.searchSuggestionsMode {
case .tags:
items = manager.allTags
.map { Either<BooruTag, BooruSearchQuery>.left($0) }
case .history:
items = settings.searchHistory
.map { Either<BooruTag, BooruSearchQuery>.right($0) }
case .disabled:
items = []
}
return items
}
}
|