144 lines
5.1 KiB
Swift
144 lines
5.1 KiB
Swift
//
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// MetaText.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-7-22.
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//
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import UIKit
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import Meta
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import MetaTextKit
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extension MetaLabel {
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enum Style {
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case statusHeader
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case statusName
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case notificationTitle
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case profileFieldName
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case profileFieldValue
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case recommendAccountName
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case titleView
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case settingTableFooter
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case autoCompletion
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case accountListName
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case accountListUsername
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case sidebarHeadline(isSelected: Bool)
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case sidebarSubheadline(isSelected: Bool)
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}
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convenience init(style: Style) {
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self.init()
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layer.masksToBounds = true
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lineBreakMode = .byTruncatingTail
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textContainer.lineBreakMode = .byTruncatingTail
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textContainer.lineFragmentPadding = 0
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setup(style: style)
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}
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func setup(style: Style) {
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let font: UIFont
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let textColor: UIColor
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switch style {
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case .statusHeader:
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font = UIFontMetrics(forTextStyle: .footnote).scaledFont(for: .systemFont(ofSize: 13, weight: .medium), maximumPointSize: 17)
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textColor = Asset.Colors.Label.secondary.color
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case .statusName:
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font = .systemFont(ofSize: 17, weight: .semibold)
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textColor = Asset.Colors.Label.primary.color
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case .notificationTitle:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .regular), maximumPointSize: 20)
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textColor = Asset.Colors.Label.secondary.color
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case .profileFieldName:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 17, weight: .semibold), maximumPointSize: 20)
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textColor = Asset.Colors.Label.primary.color
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case .profileFieldValue:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 20)
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textColor = Asset.Colors.Label.primary.color
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textAlignment = .right
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case .titleView:
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font = .systemFont(ofSize: 17, weight: .semibold)
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textColor = Asset.Colors.Label.primary.color
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textAlignment = .center
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paragraphStyle.alignment = .center
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case .recommendAccountName:
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font = .systemFont(ofSize: 18, weight: .semibold)
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textColor = .white
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case .settingTableFooter:
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font = .preferredFont(forTextStyle: .footnote)
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textColor = Asset.Colors.Label.secondary.color
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numberOfLines = 0
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textContainer.maximumNumberOfLines = 0
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paragraphStyle.alignment = .center
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case .autoCompletion:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 17, weight: .semibold), maximumPointSize: 22)
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textColor = Asset.Colors.brandBlue.color
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case .accountListName:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 22)
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textColor = Asset.Colors.Label.primary.color
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case .accountListUsername:
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .regular), maximumPointSize: 20)
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textColor = Asset.Colors.Label.secondary.color
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case .sidebarHeadline(let isSelected):
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 22, weight: .regular), maximumPointSize: 20)
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textColor = isSelected ? .white : Asset.Colors.Label.primary.color
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case .sidebarSubheadline(let isSelected):
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font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 13, weight: .regular), maximumPointSize: 18)
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textColor = isSelected ? .white : Asset.Colors.Label.secondary.color
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}
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self.font = font
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self.textColor = textColor
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textAttributes = [
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.font: font,
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.foregroundColor: textColor
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]
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linkAttributes = [
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.font: font,
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.foregroundColor: Asset.Colors.brandBlue.color
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]
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}
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}
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extension MetaLabel {
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func configure(attributedString: NSAttributedString) {
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let attributedString = NSMutableAttributedString(attributedString: attributedString)
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MetaText.setAttributes(
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for: attributedString,
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textAttributes: textAttributes,
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linkAttributes: linkAttributes,
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paragraphStyle: paragraphStyle,
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content: PlaintextMetaContent(string: "")
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)
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textStorage.setAttributedString(attributedString)
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self.attributedText = attributedString
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setNeedsDisplay()
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}
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}
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struct PlaintextMetaContent: MetaContent {
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let string: String
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let entities: [Meta.Entity] = []
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init(string: String) {
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self.string = string
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}
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func metaAttachment(for entity: Meta.Entity) -> MetaAttachment? {
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return nil
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}
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}
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