platform-ios/RainbowPlanet/RainbowPlanet/Tools/KeyBoardCommentView/KeyBoardCommentView.swift

//
//  KeyBoardCommentView.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/7/11.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import IQKeyboardManagerSwift
import RxSwift
import FWPopupView

class KeyBoardCommentView: FWPopupView {
    
    let disposeBag = DisposeBag()
    /// 上下间距
    let topOrBottomEdge : CGFloat = 10
    /// 输入框宽度
    let inputTextViewWidth = kScreenWidth - 14 - 84
    /// 键盘的高度
    var keyboardH : CGFloat = 0
    /// 动画时长
    var duration : Double = 0
    
    /// 显示的View
    var showView : UIView?
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupViews()
        setupData()
        
        configRectCorner(corner: [.topLeft,.topRight], radii: CGSize(width: 8, height: 8))
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    func setupViews() {
        backgroundColor = UIColor.white
        addSubview(inputTextView)
        addSubview(sendButton)
    }
    
    lazy var inputTextView: IQTextView = {
        let inputTextView = IQTextView(frame: CGRect(x: 14, y: topOrBottomEdge, width: inputTextViewWidth, height: 28))
        inputTextView.backgroundColor = kf0f0f0Color
        inputTextView.font = kRegularFont14
        inputTextView.layoutManager.allowsNonContiguousLayout = false
        inputTextView.enablesReturnKeyAutomatically = true
        inputTextView.scrollsToTop = false
        inputTextView.textContainerInset = UIEdgeInsets(top: 5, left: 15, bottom: 5, right: 10)
        inputTextView.textContainer.lineFragmentPadding = 0
        inputTextView.layer.cornerRadius = 14
        inputTextView.layer.masksToBounds = true
        inputTextView.delegate = self
        inputTextView.tintColor = kThemeColor
        return inputTextView
    }()
    
    lazy var sendButton: UIButton = {
        let sendButton = UIButton(type: UIButton.ButtonType.custom)
        sendButton.frame = CGRect(x: kScreenWidth - 14 - 60, y: 11, width: 60, height: 28)
        sendButton.setTitle("发送", for: UIControl.State.normal)
        sendButton.setBackgroundImage(UIImage.imageWithColor(color: kThemeColor), for: UIControl.State.normal)
        sendButton.setBackgroundImage(UIImage.imageWithColor(color: kd8d8d8Color), for: UIControl.State.disabled)
        sendButton.titleLabel?.font = kRegularFont14
        sendButton.layer.cornerRadius = 14;
        sendButton.layer.masksToBounds = true
        sendButton.isEnabled = true
        return sendButton
    }()
    
    func setupData() {
        //监听键盘弹出通知
        _ = NotificationCenter.default.rx
            .notification(UIResponder.keyboardWillShowNotification)
            .takeUntil(self.rx.deallocated) //页面销毁自动移除通知监听
            .subscribe(onNext: { [weak self] notification in
                let userInfo = notification.userInfo
                // 动画的持续时间
                self?.duration = (userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double)!
                // 键盘的frame
                let keyboardFrame = userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect
                self?.keyboardH = (keyboardFrame?.size.height)!
            })
        
        //监听键盘隐藏通知
        _ = NotificationCenter.default.rx
            .notification(UIResponder.keyboardWillHideNotification)
            .takeUntil(self.rx.deallocated) //页面销毁自动移除通知监听
            .subscribe(onNext: { [weak self] notification in
                let userInfo = notification.userInfo
                // 动画的持续时间
                self?.duration = (userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double)!
                // 键盘的frame
                let keyboardFrame = userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect
                self?.keyboardH = (keyboardFrame?.size.height)!
                self?.dismisskeyBoardCommentView()
            })
        
        //发送
        sendButton.rx.tap.subscribe(onNext: {
            [weak self] _ in
            self?.sendClosure?(self?.inputTextView.text ?? "")
        }).disposed(by: disposeBag)
    }
    
    
    /// 发送完成回调
    typealias SendClosure = (String) -> ()?
    var sendClosure :SendClosure?
    
    
    /// 隐藏View回调
    typealias HiddenViewClosure = () -> ()
    var hiddenViewClosure :HiddenViewClosure?
    
    
    /// 显示View
    func showkeyBoardCommentView() {
        self.inputTextView.becomeFirstResponder()
    }
    
    /// 隐藏View
    func dismisskeyBoardCommentView() {
        self.hide {
            [weak self] _ in
            if let hiddenViewClosure = self?.hiddenViewClosure {
                hiddenViewClosure()
            }
        }
    }
    
    /// 初始化
    class func keyBoardCommentView(showView:UIView? = nil, placeholder:String = "添加评论...",sendClosure :SendClosure? = nil) -> KeyBoardCommentView {
        let view = KeyBoardCommentView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 48))
        view.showkeyBoardCommentView()
        if showView != nil{
            view.attachedView = showView
            view.showView = showView
        }
        view.withKeyboard = true
        view.inputTextView.placeholder = placeholder
        if sendClosure != nil {
            view.sendClosure = sendClosure
        }
        let vProperty = FWPopupViewProperty()
        vProperty.animationDuration = view.duration
        vProperty.popupCustomAlignment = .bottomCenter
        view.frame = CGRect(x: 0, y: kScaleHeight - view.keyboardH , width: kScreenWidth, height: 48)
        vProperty.popupViewEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
        vProperty.popupAnimationType = .frame
        vProperty.maskViewColor = UIColor(white: 0, alpha: 0.5)
        vProperty.touchWildToHide = "1"
        view.vProperty = vProperty
        view.show()
        view.superview?.bringSubviewToFront(view)
        return view
    }

}

extension KeyBoardCommentView : UITextViewDelegate {
    
    /// 改变textView的高度
    func textViewDidChange(_ textView: UITextView) {
        TextLimitTool.restrictionInputTextView(inputTextView, maxNumber: 150)
        if  inputTextView.text.count > 0 {
            sendButton.isEnabled = true
        }else {
            sendButton.isEnabled = false
        }
        let contentSizeH = self.inputTextView.contentSize.height
        if (contentSizeH > 28) {
            textView.height = contentSizeH
        }else {
            textView.height = 28
        }
        self.height = textView.height + 20
        if showView != nil {
            self.y = (attachedView?.height ?? 0) - keyboardH - self.height
        }else {
            self.y = kScreenHeight -  self.height
        }
        sendButton.y = textView.height + 20 - 38
        self.frame = CGRect(x: 0, y: self.y , width: kScreenWidth, height: self.height)

    }
}