SOTBubbleLabel

SOTBubbleLabel.swift

//
//  SOTBubbleLabel.swift
//  
//
//  Created by Andrea Altea on 18/08/17.
//  Copyright 2017 Andrea Altea. All rights reserved.
//

import UIKit

@IBDesignable class SOTBubbleLabel: UILabel {
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        self.setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        
        self.setupUI()
    }
    
    func setupUI() {
        
        self.layoutMargins = UIEdgeInsetsMake(2, 8, 2, 8)
    }
    
    override func draw(_ rect: CGRect) {
        
        self.layer.cornerRadius = min(rect.width, rect.height)/2
        super.draw(rect)
    }
    
    override func drawText(in rect: CGRect) {
        
        let textRect = CGRect(x: rect.origin.x + self.layoutMargins.right,
                          y: rect.origin.y,
                          width: rect.size.width - (self.layoutMargins.left + self.layoutMargins.right),
                          height: rect.size.height)
        super.drawText(in: textRect)
    }
    
    override var intrinsicContentSize: CGSize {
        
        let size = super.intrinsicContentSize
        return CGSize(width: size.width + self.layoutMargins.left + self.layoutMargins.right,
                      height: size.height + self.layoutMargins.top + self.layoutMargins.bottom)
    }
    
}