platform-ios/RainbowPlanet/RainbowPlanet/Modules/OrderModule/OrderPayOrder/View/ShoppingCartPayOrderFooter.swift

//
//  ShoppingCartPayOrderFooter.swift
//  RainbowPlanet
//
//  Created by Christopher on 2019/5/9.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//  订单支付--商品列表Footer

import UIKit
import RxSwift
import RxCocoa

class ShoppingCartPayOrderFooter: BaseView {
    
    typealias BuyerNoteBlock = (_ note: String) -> Void
    var buyerNoteBlock : BuyerNoteBlock?
    
    var tPrice: Int? {
        didSet {
            let priceStr = priceConversion(price: tPrice ?? 0)
            let originStr = "合计 \(priceStr)"
            let attrStr = NSMutableAttributedString(string:originStr)
            attrStr.changeForegroundColor(kfe352bColor, range: NSRange(location: 2, length: originStr.count-2))
            priceLabel.attributedText = attrStr
        }
    }
    
    var tNumber: Int? {
        didSet {
            let originStr = "共\(tNumber ?? 0)件商品，"
            let attrStr = NSMutableAttributedString(string:originStr)
            attrStr.changeForegroundColor(k333333Color, range: NSRange(location: 1, length: originStr.count-5))
            numberLabel.attributedText = attrStr
        }
    }
    
    override var frame: CGRect {
        get {
            return super.frame
        }
        set {
            var frame = newValue
            frame.origin.x += 14 * kScaleWidth
            frame.size.width -= 14 * kScaleWidth * 2
            super.frame = frame
        }
    }
    
    override func setupViews() {
        self.backgroundColor = kffffffColor
        addSubview(msgLabel)
        addSubview(msgTextField)
        addSubview(priceLabel)
        addSubview(numberLabel)
    }
    
    override func setupLayouts() {
        msgLabel.snp.makeConstraints { (make) in
            make.left.top.equalToSuperview().offset(14)
            make.width.equalTo(56)
            make.height.equalTo(20)
        }
        
        msgTextField.snp.makeConstraints { (make) in
            make.centerY.equalTo(msgLabel)
            make.left.equalTo(msgLabel.snp_right).offset(11)
            make.right.equalTo(-14)
            make.height.equalTo(28)
        }
        
        priceLabel.snp.makeConstraints { (make) in
            make.top.equalTo(msgTextField.snp_bottom).offset(20)
            make.right.equalTo(msgTextField)
            make.height.equalTo(20)
        }
        
        numberLabel.snp.makeConstraints { (make) in
            make.right.equalTo(priceLabel.snp_left)
            make.centerY.equalTo(priceLabel)
            make.height.equalTo(priceLabel)
        }
    }
    
    private lazy var msgLabel: UILabel = {
        let msgLabel = UILabel()
        msgLabel.text = "买家留言"
        msgLabel.textColor = k333333Color
        msgLabel.font = kRegularFont14
        msgLabel.textAlignment = .left
        return msgLabel
    }()
    
    private lazy var msgTextField : UITextField = {
        let msgTextField = UITextField()
        msgTextField.placeholder = "单行输入"
        msgTextField.borderStyle = .roundedRect
        msgTextField.textColor = k666666Color
        msgTextField.font = kRegularFont12
        msgTextField.clearButtonMode = .whileEditing
        msgTextField.sizeToFit()
        msgTextField.tintColor = kFFA42FColor
        msgTextField.delegate = self
        return msgTextField
    }()
    
    private lazy var priceLabel: UILabel = {
        let priceLabel = UILabel()
        priceLabel.textColor = k999999Color
        priceLabel.font = kRegularFont14
        priceLabel.textAlignment = .right
        return priceLabel
    }()
    
    private lazy var numberLabel: UILabel = {
        let numberLabel = UILabel()
        numberLabel.textColor = k999999Color
        numberLabel.font = kRegularFont14
        numberLabel.textAlignment = .right
        return numberLabel
    }()
    
}

extension ShoppingCartPayOrderFooter: UITextFieldDelegate {
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        if textField == msgTextField {
            var fullStr = textField.text ?? ""
            if textField.text?.count ?? 0 > 80 {
                fullStr = String(fullStr.prefix(50)) as String
                textField.text = fullStr
            }
                        
            if let buyerNoteBlock = self.buyerNoteBlock {
                buyerNoteBlock(self.msgTextField.text ?? "")
            }
        }
        return true
    }
    
}