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Create UIContentSizeCategoryPage (#32)
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110
Accessibility Handbook/Book/DynamicFonts/Fonts/Pages/UIContentSize.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| // | ||
| // UIContentSize.swift | ||
| // Accessibility Handbook | ||
| // | ||
| // Created by Giovani Nascimento Pereira on 05/10/22. | ||
| // | ||
|
|
||
| import SwiftUI | ||
|
|
||
| struct UIContentSizePage: View, Page { | ||
| let title: String = L10n.UIContentSizeCategory.title | ||
|
|
||
| var body: some View { | ||
| PageContent(next: nil) { | ||
| Group { | ||
| intro | ||
| list | ||
| items | ||
| Divider() | ||
| code | ||
| link | ||
| } | ||
| .toAny() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private extension UIContentSizePage { | ||
| var intro: some View { | ||
| Group { | ||
| Text(L10n.UIContentSizeCategory.Intro.text1) | ||
| Text(L10n.UIContentSizeCategory.Intro.text2) | ||
| Comment(L10n.UIContentSizeCategory.Intro.comment1) | ||
| } | ||
| } | ||
|
|
||
| var list: some View { | ||
| Group { | ||
| Title(L10n.UIContentSizeCategory.List.title) | ||
| Text(L10n.UIContentSizeCategory.List.text1) | ||
| InternalLink(page: IdentifyCurrentPreferredFontSizePage().page, title: L10n.IdentifyCurrentPreferredFontSizePage.title) | ||
| Comment(L10n.UIContentSizeCategory.List.comment1) | ||
| InternalLink(page: ScallingFontsAutomaticallyPage().page, title: L10n.ImplementingDynamicFonts.title) | ||
| VerticalSpace(.regular) | ||
| } | ||
| } | ||
|
|
||
| var items: some View { | ||
| ForEach(UIContentSizeCategory.allCases, id: \.title) { category in | ||
| Title(category.title.capitalized) | ||
| let current = category == UIApplication.shared.preferredContentSizeCategory | ||
| if current { currentMarker } | ||
| ScrollView([.horizontal], showsIndicators: true) { | ||
| HStack(spacing: .large) { | ||
| ForEach(SystemFontType.allCases, id: \.rawValue) { type in | ||
| item(category: category, type: type) | ||
| } | ||
| } | ||
| VerticalSpace(.regular) | ||
| } | ||
| } | ||
| } | ||
|
|
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| var currentMarker: some View { | ||
| Text(L10n.UIContentSizeCategory.List.current) | ||
| .multilineTextAlignment(.center) | ||
| .padding() | ||
| .background { | ||
| RoundedRectangle(cornerRadius: 8.0) | ||
| .foregroundColor(.accentColor.opacity(0.3)) | ||
| } | ||
| .fixedSize(horizontal: false, vertical: true) | ||
| } | ||
|
|
||
| @ViewBuilder | ||
| func item(category: UIContentSizeCategory, type item: SystemFontType) -> some View { | ||
| let fontSize = category.sizes[item] ?? .zero | ||
| let current = category == UIApplication.shared.preferredContentSizeCategory | ||
| VStack(alignment: .center, spacing: .small) { | ||
| Text("Aa") | ||
| .font(.system(size: fontSize)) | ||
| VerticalSpace(.regular) | ||
| Text(item.name) | ||
| Comment(L10n.fontSize("\(fontSize)")) | ||
| } | ||
| .frame(minWidth: 100.0) | ||
| .padding() | ||
| .background { | ||
| RoundedRectangle(cornerRadius: 8.0) | ||
| .foregroundColor(current ? .accentColor.opacity(0.3) : .secondaryBackground) | ||
| } | ||
| .accessibilityElement(children: .ignore) | ||
| .accessibilityLabel([category.title, item.name, L10n.fontSize("\(fontSize)")].joined(separator: .commaSpace)) | ||
| } | ||
|
|
||
| var code: some View { | ||
| Group { | ||
| Text(L10n.UIContentSizeCategory.Code.text1) | ||
| Code.uikit( | ||
| """ | ||
| UIFont.preferredFont(forTextStyle: .body).pointSize | ||
| """ | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| var link: some View { | ||
| DocButton(link: "https://developer.apple.com/documentation/uikit/uicontentsizecategory", title: title) | ||
| } | ||
| } |
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