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Merge pull request #7 from trafi/feature/grid-styling
Added styling
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import Foundation | ||
| import UIKit | ||
|
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| public enum GridStyle { | ||
| case labeled(LabelAppearance) | ||
| case dotted(DotAppearance) | ||
|
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| var hasUpperLabeledGrid: Bool { | ||
| guard case .dotted(let appearance) = self, appearance.labels != nil else { return false } | ||
| return true | ||
| } | ||
|
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| var labeledGridHeight: CGFloat? { | ||
| guard case .dotted(let appearance) = self, let labeledAppearance = appearance.labels else { return nil } | ||
| return max(labeledAppearance.inactiveFont.textHeight(), labeledAppearance.activeFont.textHeight()) | ||
| } | ||
| } | ||
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| // MARK: - Label | ||
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| public struct LabelAppearance { | ||
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| public let activeFont: UIFont | ||
| public let activeColor: UIColor | ||
| public let inactiveFont: UIFont | ||
| public let inactiveColor: UIColor | ||
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| public init( | ||
| activeFont: UIFont = .systemFont(ofSize: 12, weight: .bold), | ||
| activeColor: UIColor = .black, | ||
| inactiveFont: UIFont = .systemFont(ofSize: 12, weight: .regular), | ||
| inactiveColor: UIColor = .lightGray | ||
| ) { | ||
| self.activeFont = activeFont | ||
| self.activeColor = activeColor | ||
| self.inactiveFont = inactiveFont | ||
| self.inactiveColor = inactiveColor | ||
| } | ||
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| public static let `default`: Self = LabelAppearance() | ||
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| func fontAndColor(isActive: Bool) -> (font: UIFont, color: UIColor) { | ||
| isActive ? (activeFont, activeColor) : (inactiveFont, inactiveColor) | ||
| } | ||
| } | ||
|
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| // MARK: - Dot | ||
|
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| public struct DotAppearance { | ||
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| public let activeColor: UIColor | ||
| public let activeSize: CGFloat | ||
| public let inactiveColor: UIColor | ||
| public let inactiveSize: CGFloat | ||
|
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| public let labels: LabelAppearance? | ||
|
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| public init( | ||
| activeColor: UIColor = .black, | ||
| activeSize: CGFloat = 3.0, | ||
| inactiveColor: UIColor = .lightGray, | ||
| inactiveSize: CGFloat = 3.0, | ||
| labels: LabelAppearance? = nil | ||
| ) { | ||
| self.activeColor = activeColor | ||
| self.activeSize = activeSize | ||
| self.inactiveColor = inactiveColor | ||
| self.inactiveSize = inactiveSize | ||
| self.labels = labels | ||
| } | ||
|
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| public static let `default`: Self = DotAppearance() | ||
|
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| func sizeAndColor(isActive: Bool) -> (size: CGFloat, color: UIColor) { | ||
| isActive ? (activeSize, activeColor) : (inactiveSize, inactiveColor) | ||
| } | ||
| } | ||
|
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| private extension UIFont { | ||
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| func textHeight(width: CGFloat = UIScreen.main.bounds.width) -> CGFloat { | ||
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| let fakeString = " " | ||
| let constraintRect = CGSize(width: UIScreen.main.bounds.width, height: .greatestFiniteMagnitude) | ||
|
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| let boundingBox = fakeString.boundingRect( | ||
| with: constraintRect, | ||
| options: .usesLineFragmentOrigin, | ||
| attributes: [NSAttributedString.Key.font: self], | ||
| context: nil | ||
| ) | ||
|
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| return ceil(boundingBox.height) | ||
| } | ||
| } |
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