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Add supporting for alignment #39

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Add supporting for alignment #39

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21 changes: 19 additions & 2 deletions Pod/PinCodeTextField.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,12 @@
import Foundation
import UIKit

public enum PinCodeAlignment {
case left
case center
case right
}

@IBDesignable open class PinCodeTextField: UIView {
public weak var delegate: PinCodeTextFieldDelegate?

Expand Down Expand Up @@ -45,6 +51,7 @@ import UIKit
public var autocorrectionType: UITextAutocorrectionType = UITextAutocorrectionType.no
public var font: UIFont = UIFont.systemFont(ofSize: 14)
public var allowedCharacterSet: CharacterSet = CharacterSet.alphanumerics
public var alignment = PinCodeAlignment.center

private var _inputView: UIView?
open override var inputView: UIView? {
Expand Down Expand Up @@ -253,8 +260,18 @@ import UIKit
let marginsCount = characterLimit - 1
let totalMarginsWidth = underlineHSpacing * CGFloat(marginsCount)
let totalUnderlinesWidth = underlineWidth * CGFloat(characterLimit)

var currentUnderlineX: CGFloat = bounds.width / 2 - (totalUnderlinesWidth + totalMarginsWidth) / 2

var currentUnderlineX: CGFloat

switch alignment {
case .left:
currentUnderlineX = 0
case .center:
currentUnderlineX = bounds.width / 2 - (totalUnderlinesWidth + totalMarginsWidth) / 2
case .right:
currentUnderlineX = bounds.width - (totalUnderlinesWidth + totalMarginsWidth)
}

var currentLabelCenterX = currentUnderlineX + underlineWidth / 2

let totalLabelHeight = font.ascender + font.descender
Expand Down