7 changed files with 327 additions and 20 deletions
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8kplayer.xcodeproj/project.pbxproj
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144kplayer/core/DatabaseManager.swift
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2kplayer/core/MediaItem.swift
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26kplayer/detail/EditItemView.swift
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19kplayer/master/MasterViewController.swift
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50kplayer/master/SearchItemView.swift
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98kplayer/util/FlexibleView.swift
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// |
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// Created by Marco Schmickler on 26.01.22. |
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// Copyright (c) 2022 Marco Schmickler. All rights reserved. |
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// |
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|
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import Foundation |
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import SwiftUI |
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|
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struct SearchItemView: View { |
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@ObservedObject |
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var item: MediaItem |
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var completionHandler: (() -> Void)? |
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var body: some View { |
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VStack { |
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FlexibleView( |
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data: DatabaseManager.sharedInstance.allTags, |
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spacing: 15, |
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alignment: .leading |
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) { tag in |
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Button(action: { |
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if item.tags.contains(tag) { |
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item.tags.removeAll(where: { toRemove in toRemove == tag }) |
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} else { |
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item.tags.append(tag) |
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} |
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item.objectWillChange.send() |
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print(tag) |
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}, label: { |
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Text(verbatim: tag) |
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.padding(8) |
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.background( |
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RoundedRectangle(cornerRadius: 8) |
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.fill(item.tags.contains(tag) ? |
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Color.yellow.opacity(0.4) : |
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Color.gray.opacity(0.2) |
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) |
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) |
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}) |
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.buttonStyle(BorderlessButtonStyle()) |
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} |
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Button(action: { |
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self.completionHandler?() |
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}, label: { |
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Text("ok") |
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}) |
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} |
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} |
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} |
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@ -0,0 +1,98 @@ |
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// |
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// Created by Marco Schmickler on 26.01.22. |
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// Copyright (c) 2022 Marco Schmickler. All rights reserved. |
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// |
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|
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import Foundation |
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import SwiftUI |
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|
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struct _FlexibleView<Data: Collection, Content: View>: View where Data.Element: Hashable { |
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let availableWidth: CGFloat |
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let data: Data |
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let spacing: CGFloat |
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let alignment: HorizontalAlignment |
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let content: (Data.Element) -> Content |
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@State var elementsSize: [Data.Element: CGSize] = [:] |
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|
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var body : some View { |
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VStack(alignment: alignment, spacing: spacing) { |
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ForEach(computeRows(), id: \.self) { rowElements in |
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HStack(spacing: spacing) { |
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ForEach(rowElements, id: \.self) { element in |
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content(element) |
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.fixedSize() |
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.readSize { size in |
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elementsSize[element] = size |
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} |
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} |
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} |
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} |
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} |
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} |
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|
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func computeRows() -> [[Data.Element]] { |
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var rows: [[Data.Element]] = [[]] |
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var currentRow = 0 |
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var remainingWidth = availableWidth |
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for element in data { |
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let elementSize = elementsSize[element, default: CGSize(width: availableWidth, height: 1)] |
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if remainingWidth - (elementSize.width + spacing) >= 0 { |
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rows[currentRow].append(element) |
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} else { |
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currentRow = currentRow + 1 |
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rows.append([element]) |
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remainingWidth = availableWidth |
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} |
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remainingWidth = remainingWidth - (elementSize.width + spacing) |
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} |
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return rows |
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} |
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} |
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|
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struct FlexibleView<Data: Collection, Content: View>: View where Data.Element: Hashable { |
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let data: Data |
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let spacing: CGFloat |
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let alignment: HorizontalAlignment |
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let content: (Data.Element) -> Content |
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@State private var availableWidth: CGFloat = 0 |
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|
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var body: some View { |
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ZStack(alignment: Alignment(horizontal: alignment, vertical: .center)) { |
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Color.clear |
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.frame(height: 1) |
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.readSize { size in |
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availableWidth = size.width |
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} |
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_FlexibleView( |
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availableWidth: availableWidth, |
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data: data, |
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spacing: spacing, |
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alignment: alignment, |
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content: content |
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) |
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} |
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} |
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} |
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extension View { |
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func readSize(onChange: @escaping (CGSize) -> Void) -> some View { |
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background( |
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GeometryReader { geometryProxy in |
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Color.clear |
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.preference(key: SizePreferenceKey.self, value: geometryProxy.size) |
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} |
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) |
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.onPreferenceChange(SizePreferenceKey.self, perform: onChange) |
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} |
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} |
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private struct SizePreferenceKey: PreferenceKey { |
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static var defaultValue: CGSize = .zero |
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static func reduce(value: inout CGSize, nextValue: () -> CGSize) {} |
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} |
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