//
//  IBButton.swift
//  MTP2_iOS
//
//  Created by zhongyuan on 2018/3/17.
//  Copyright © 2018年 zhongyuan.All rights reserved.
//

import UIKit

@IBDesignable
class IBButton: UIButton {
    /// 集成IBView 参数
    @IBInspectable var 圆角偏移量:CGFloat = 0.0
    @IBInspectable var 圆角倍数:CGPoint = CGPoint.init(x: 0, y: 0)
    @IBInspectable var maskToBounds:Bool = false
    @IBInspectable var borderColor:UIColor = UIColor.clear {
        willSet {
            layer.borderColor = newValue.cgColor
        }
    }
    @IBInspectable var borderWidth:CGFloat = 0.0
    /// IBButton参数
    @IBInspectable var 选中时描边颜色:UIColor = UIColor.clear {
        willSet {
            layer.borderColor = newValue.cgColor
        }
    }
    @IBInspectable var 高亮时描边颜色:UIColor = UIColor.clear
    @IBInspectable var 默认背景色:UIColor = UIColor.clear {
        willSet {
            backgroundColor = newValue
        }
    }
    @IBInspectable var 高亮背景色:UIColor = UIColor.clear
    @IBInspectable var 选中背景色:UIColor = UIColor.clear
    @IBInspectable var  选中时字体加粗:Bool = false

    override func layoutSubviews() {
        super.layoutSubviews()

        IBView.refreshIBEffect(view: self)
        self.refreshIBEffect()
    }
    
    override var isSelected: Bool {
        set{
            super.isSelected = newValue
            self.refreshIBEffect()
        }
        get{
            return super.isSelected
        }
    }

    override var isHighlighted: Bool {
        set{
            super.isHighlighted = newValue
            self.refreshIBEffect()
        }
        get{
            return super.isHighlighted
        }
    }
    
    func refreshIBEffect() {
         /// 背景颜色
        let dict = [UIControl.State.normal.rawValue : "默认背景色",
                    UIControl.State.highlighted.rawValue : "高亮背景色",
                    UIControl.State.selected.rawValue : "选中背景色"]
        let key = dict[self.state.rawValue]
        var color:UIColor? = nil
        if key != nil {
            switch key! {
            case "默认背景色":
                color = 默认背景色
            case "高亮背景色":
                color = 高亮背景色
            case "选中背景色":
                color = 选中背景色
            default:
                break
            }
            if color != nil{
                self.backgroundColor = color
            }
        }
        
        /// 选中时字体加粗
        if 选中时字体加粗{
            let font = self.titleLabel?.font
            if (self.state == UIControl.State.selected){
                let descriptor  = font?.fontDescriptor.withSymbolicTraits(.traitBold)
                self.titleLabel?.font = UIFont(descriptor:descriptor!, size: (font?.pointSize)!)
            }else{
                let descriptor  = font?.fontDescriptor.withSymbolicTraits(UIFontDescriptor.SymbolicTraits(rawValue: 0))
                self.titleLabel?.font = UIFont(descriptor:descriptor!, size: (font?.pointSize)!)
            }
        }

        /// 边框颜色
        if (self.state == UIControl.State.selected){
            self.layer.borderColor = self.选中时描边颜色.cgColor
        } else if (self.state == UIControl.State.highlighted){
            self.layer.borderColor = self.高亮时描边颜色.cgColor
        } else {
            self.layer.borderColor = self.borderColor.cgColor
        }
    }
}