69 lines
2.9 KiB
Swift
69 lines
2.9 KiB
Swift
import UIKit
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@objc(SNTextField)
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public final class TextField : UITextField {
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private let usesDefaultHeight: Bool
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private let height: CGFloat
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private let horizontalInset: CGFloat
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private let verticalInset: CGFloat
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static let height: CGFloat = isIPhone5OrSmaller ? CGFloat(48) : CGFloat(80)
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public static let cornerRadius: CGFloat = 8
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@objc(initWithPlaceholder:usesDefaultHeight:)
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public convenience init(placeholder: String, usesDefaultHeight: Bool) {
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self.init(placeholder: placeholder, usesDefaultHeight: usesDefaultHeight, customHeight: nil, customHorizontalInset: nil, customVerticalInset: nil)
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}
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public init(placeholder: String, usesDefaultHeight: Bool = true, customHeight: CGFloat? = nil, customHorizontalInset: CGFloat? = nil, customVerticalInset: CGFloat? = nil) {
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self.usesDefaultHeight = usesDefaultHeight
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self.height = customHeight ?? TextField.height
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self.horizontalInset = customHorizontalInset ?? (isIPhone5OrSmaller ? Values.mediumSpacing : Values.largeSpacing)
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self.verticalInset = customVerticalInset ?? (isIPhone5OrSmaller ? Values.smallSpacing : Values.largeSpacing)
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super.init(frame: CGRect.zero)
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self.placeholder = placeholder
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setUpStyle()
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}
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public override init(frame: CGRect) {
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preconditionFailure("Use init(placeholder:) instead.")
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}
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public required init?(coder: NSCoder) {
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preconditionFailure("Use init(placeholder:) instead.")
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}
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private func setUpStyle() {
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textColor = Colors.text
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font = .systemFont(ofSize: Values.smallFontSize)
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let placeholder = NSMutableAttributedString(string: self.placeholder!)
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let placeholderColor = Colors.text.withAlphaComponent(Values.mediumOpacity)
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placeholder.addAttribute(.foregroundColor, value: placeholderColor, range: NSRange(location: 0, length: placeholder.length))
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attributedPlaceholder = placeholder
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tintColor = Colors.accent
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keyboardAppearance = isLightMode ? .light : .dark
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if usesDefaultHeight {
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set(.height, to: height)
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}
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layer.borderColor = isLightMode ? Colors.text.cgColor : Colors.border.withAlphaComponent(Values.lowOpacity).cgColor
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layer.borderWidth = 1
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layer.cornerRadius = TextField.cornerRadius
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}
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public override func textRect(forBounds bounds: CGRect) -> CGRect {
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if usesDefaultHeight {
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return bounds.insetBy(dx: horizontalInset, dy: verticalInset)
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} else {
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return bounds.insetBy(dx: Values.mediumSpacing, dy: Values.smallSpacing)
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}
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}
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public override func editingRect(forBounds bounds: CGRect) -> CGRect {
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if usesDefaultHeight {
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return bounds.insetBy(dx: horizontalInset, dy: verticalInset)
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} else {
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return bounds.insetBy(dx: Values.mediumSpacing, dy: Values.smallSpacing)
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}
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}
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}
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