//
//  SPImageView.swift
//  ShortPlay
//
//  Created by 曾觉新 on 2025/4/9.
//

import UIKit

class SPImageView: UIImageView {

    var placeholderColor = UIColor.gray

    override init(frame: CGRect) {
        super.init(frame: frame)
        _init()
    }
    
    override init(image: UIImage?) {
        super.init(image: image)
        _init()
    }
    
    override init(image: UIImage?, highlightedImage: UIImage?) {
        super.init(image: image, highlightedImage: highlightedImage)
        _init()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    
    func _init() {
        self.contentMode = .scaleAspectFill
        self.layer.masksToBounds = true
        if image == nil {
            self.backgroundColor = self.placeholderColor
        }
    }
    
    override var image: UIImage? {
        didSet {
            if self.backgroundColor == nil && image == nil {
                self.backgroundColor = self.placeholderColor
            } else if image != nil {
                if self.backgroundColor == self.placeholderColor {
                    self.backgroundColor = nil
                }
            }
        }
    }

}