53 lines
1.9 KiB
Swift
53 lines
1.9 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Mastodon
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import UIKit
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final class PollOptionButton: UIButton {
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init(title: String, emojis: [Emoji], multipleSelection: Bool) {
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super.init(frame: .zero)
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titleLabel?.font = .preferredFont(forTextStyle: .callout)
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titleLabel?.adjustsFontForContentSizeCategory = true
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titleLabel?.numberOfLines = 0
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titleLabel?.lineBreakMode = .byWordWrapping
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contentHorizontalAlignment = .leading
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titleEdgeInsets = Self.titleEdgeInsets
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let attributedTitle = NSMutableAttributedString(string: title)
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attributedTitle.insert(emojis: emojis, view: titleLabel!)
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attributedTitle.resizeAttachments(toLineHeight: titleLabel!.font.lineHeight)
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setAttributedTitle(attributedTitle, for: .normal)
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setImage(
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UIImage(
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systemName: multipleSelection ? "square" : "circle",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)),
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for: .normal)
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setImage(
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UIImage(
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systemName: multipleSelection ? "checkmark.square" : "checkmark.circle",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)),
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for: .selected)
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setContentCompressionResistancePriority(.required, for: .vertical)
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heightAnchor.constraint(equalTo: titleLabel!.heightAnchor).isActive = true
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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extension PollOptionButton {
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static func estimatedHeight(width: CGFloat, title: String) -> CGFloat {
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title.height(width: width, font: .preferredFont(forTextStyle: .callout))
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}
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}
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private extension PollOptionButton {
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static let titleEdgeInsets = UIEdgeInsets(top: 0, left: .compactSpacing, bottom: 0, right: .compactSpacing)
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}
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