PaddedLabel

PaddedLabel.swift

//
//  PaddedLabel.swift
//  PaddedLabel
//
//  Created by Mohammad Farhan on 4/27/19.
//  Copyright © 2019 PaddedLabel. All rights reserved.
//

import UIKit

@IBDesignable
final class PaddedLabel: UILabel {
    
    @IBInspectable var inset: CGSize = CGSize.zero
    
    var padding: UIEdgeInsets {
        guard let text = self.text else { return UIEdgeInsets.zero }
        let hasText = text.isEmpty ? false : true
        if !hasText { return UIEdgeInsets.zero }
        return UIEdgeInsets(top: inset.height,
                            left: inset.width,
                            bottom: inset.height,
                            right: inset.width)
    }
    
    override func drawText(in rect: CGRect) {
        super.drawText(in: rect.inset(by: padding))
    }
    
    override var intrinsicContentSize: CGSize {
        let superContentSize = super.intrinsicContentSize
        let width = superContentSize.width + padding.left + padding.right
        let heigth = superContentSize.height + padding.top + padding.bottom
        return CGSize(width: width, height: heigth)
    }
    
    override func sizeThatFits(_ size: CGSize) -> CGSize {
        let superSizeThatFits = super.sizeThatFits(size)
        let width = superSizeThatFits.width + padding.left + padding.right
        let heigth = superSizeThatFits.height + padding.top + padding.bottom
        return CGSize(width: width, height: heigth)
    }
}