TableView-Chat
下载可以直接使用 这次写的是demo
demo
demo
TableView-Chat/TableView-Chat/ViewController.swift
//
// ViewController.swift
// TableView-Chat
//
// Created by liujunbin on 16/5/17.
// Copyright © 2016年 liujunbin. All rights reserved.
//
import UIKit
class ViewController: UIViewController , UITextFieldDelegate {
var keyboardManager: AtuoKeyboardManager?
lazy var chatTable : ChatTableView = {
let v = ChatTableView()
v.translatesAutoresizingMaskIntoConstraints = false
v.separatorStyle = .None
v.backgroundColor = UIColor(red:0.96, green:0.96, blue:0.96, alpha:1.00)
v.estimatedRowHeight = 50
v.rowHeight = UITableViewAutomaticDimension
return v
}()
lazy var chatTool : ChatInputTool = {
let v = ChatInputTool()
v.translatesAutoresizingMaskIntoConstraints = false
v.backgroundColor = UIColor.whiteColor()
return v
}()
var vd : [String : AnyObject] = [String : AnyObject]()
override func viewDidLoad() {
super.viewDidLoad()
vd = ["chatTable" : chatTable , "chatTool" : chatTool]
self.view.addSubview(chatTable)
self.view.addSubview(chatTool)
chatTool.inputTool.delegate = self
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("|[chatTable]|", options: [], metrics: nil, views: vd))
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("|[chatTool]|", options: [], metrics: nil, views: vd))
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-20-[chatTable][chatTool(50)]|", options: [], metrics: nil, views: vd))
//默认数据
chatTable.data = [["content" : "你好" , "icon" : "katong","role" : "SOMEONE"] ,["content" : "好" , "icon" : "mm","role" : "MINE"] ,["content" : "你好" , "icon" : "katong","role" : "SOMEONE"] ,["content" : "精品 - 纯代码 swift 聊天 微信 qq UITableView Chat<夜黑执事 出品>" , "icon" : "katong","role" : "SOMEONE"] , ["content" : "精品 - 纯代码 swift 聊天 微信 qq UITableView Chat<夜黑执事 出品>精品 - 纯代码 swift 聊天 微信 qq UITableView Chat<夜黑执事 出品>" , "icon" : "mm","role" : "MINE"] , ["content" : "你好" , "icon" : "mm","role" : "MINE"] , ["content" : "精品 - 纯代码 swift 聊天 微信 qq UITableView Chat<夜黑执事 出品>" , "icon" : "katong","role" : "SOMEONE"] , ["content" : "我都不知道自己在干什么" , "icon" : "katong","role" : "SOMEONE"] , ]
chatTool.senderTool.addTarget(self, action: #selector(renderTableView(_:)), forControlEvents: .TouchUpInside)
}
func renderTableView(sender : UIButton){
if let txt = chatTool.inputTool.text {
chatTable.data?.append(["content" : txt , "icon" : "mm","role" : "MINE"])
chatTool.inputTool.text = ""
NSTimer.scheduledTimerWithTimeInterval(0.2, target: self, selector: #selector(scrollTab), userInfo: nil, repeats: false)
}
}
func scrollTab(){
chatTable.scrollToBottom()
}
}
extension ViewController {
func textFieldShouldBeginEditing(textField: UITextField) -> Bool {
let input = self.chatTool.inputTool
keyboardManager = AtuoKeyboardManager(translateView: self.view, inputView: input, ifNotRootViewDistance: UIScreen.mainScreen().bounds.height - 45 , inputVisiableHeight: 50)
keyboardManager?.addObserver()
return true
}
func textField(textField: UITextField, shouldChangeCharactersInRange range: NSRange, replacementString string: String) -> Bool {
print("textField.text?.utf16.count : \(chatTool.inputTool.text?.utf16.count )")
chatTool.hasTxt = chatTool.inputTool.text?.utf16.count >= 0
return true
}
func textFieldShouldReturn(textField: UITextField) -> Bool {
return true
}
}
TableView-Chat/TableView-Chat/TableView+Chat.swift
//
// TableView+Chat.swift
// TableView-Chat
//
// Created by liujunbin on 16/5/17.
// Copyright © 2016年 liujunbin. All rights reserved.
//
import UIKit
extension UIFont {
static var FontStyleNomarl : UIFont {
return UIFont.systemFontOfSize(18)
}
static var FontTextStyleSubheadline: UIFont {
return UIFont.preferredFontForTextStyle(UIFontTextStyleSubheadline)
}
}
enum Role{
case Sender //发送者
case Receive //接收者
}
class ChatViewData: NSObject {
var content:String = ""
var icon : String = ""
var role : Role = Role.Sender
init(content:String,icon : String ,role:Role) {
self.content = content
self.icon = icon
self.role = role
}
}
class ChatTableView : UITableView ,UITableViewDataSource , UITableViewDelegate {
var data : [[String : AnyObject]]? {
didSet {
print("didSet is :\(data)")
guard let d = data where d.count > 0 else {
return
}
self.reloadData()
}
}
override init(frame: CGRect, style: UITableViewStyle) {
super.init(frame: frame, style: style)
followInit()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
followInit()
}
func followInit(){
self.registerClass(LKFChatViewCell.self, forCellReuseIdentifier: "CHATCELL")
self.dataSource = self
self.delegate = self
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return data?.count ?? 0
}
func tableView(tableView: UITableView, willSelectRowAtIndexPath indexPath: NSIndexPath) -> NSIndexPath? {
return nil
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("CHATCELL", forIndexPath: indexPath) as! LKFChatViewCell
if let d = data{
let dc = d[indexPath.row] as [String : AnyObject]
let content = dc["content"] as? String ?? ""
let icon = dc["icon"] as? String ?? ""
let role = (dc["role"] as? String ?? "") == "MINE" ? Role.Sender : Role.Receive
cell.data = ChatViewData(content: content , icon: icon , role: role)
}
return cell
}
}
class LKFChatViewCell: UITableViewCell {
var data:ChatViewData? {
didSet {
self.backgroundColor = UIColor.clearColor()
self.headerImgView.removeFromSuperview()
self.contentLbl.removeFromSuperview()
self.bubbleImgView.removeFromSuperview()
self.contentView.addSubview(self.headerImgView)
self.contentView.addSubview(self.bubbleImgView)
self.bubbleImgView.addSubview(self.contentLbl)
// self.selectionStyle = .None
//将data模型中的数据给头像、内容、气泡视图
self.headerImgView.image = UIImage(named: data?.icon ?? "Default")
self.bubbleImgView.image = data?.role == Role.Sender ? UIImage(named: "chatto_bg_normal") : UIImage(named: "chatfrom_bg_normal")
self.contentLbl.text = data?.content
self.contentLbl.font = UIFont.FontStyleNomarl
self.contentLbl.textAlignment = data?.role == Role.Sender ? NSTextAlignment.Right : NSTextAlignment.Left
//2.设置约束
let vd = ["headerImgView": self.headerImgView, "content": self.contentLbl, "bubble": self.bubbleImgView]
let header_constraint_H_Format = data?.role == Role.Sender ? "[headerImgView(50)]-5-|" : "|-5-[headerImgView(50)]"
let header_constraint_V_Format = data?.role == Role.Sender ? "V:|-5-[headerImgView(50)]" : "V:|-5-[headerImgView(50)]"
let bubble_constraint_H_Format = data?.role == Role.Sender ? "|-(>=5)-[bubble]-10-[headerImgView]" : "[headerImgView]-10-[bubble]-(>=5)-|"
let bubble_constraint_V_Format = data?.role == Role.Sender ? "V:|-5-[bubble(>=50)]-5-|" : "V:|-5-[bubble(>=50)]-5-|"
let content_constraint_H_Format = data?.role == Role.Sender ? "|-10-[content]-18-|" : "|-18-[content]-10-|"
let content_constraint_V_Format = data?.role == Role.Sender ? "V:|-10-[content]-14-|" : "V:|-10-[content]-14-|"
let header_constraint_H = NSLayoutConstraint.constraintsWithVisualFormat(header_constraint_H_Format, options: [], metrics: nil, views: vd)
let header_constraint_V = NSLayoutConstraint.constraintsWithVisualFormat(header_constraint_V_Format, options: [], metrics: nil, views: vd)
let bubble_constraint_H = NSLayoutConstraint.constraintsWithVisualFormat(bubble_constraint_H_Format, options: [], metrics: nil, views: vd)
let bubble_constraint_V = NSLayoutConstraint.constraintsWithVisualFormat(bubble_constraint_V_Format, options: [], metrics: nil, views: vd)
let content_constraint_H = NSLayoutConstraint.constraintsWithVisualFormat(content_constraint_H_Format, options: [], metrics: nil, views: vd)
let content_constraint_V = NSLayoutConstraint.constraintsWithVisualFormat(content_constraint_V_Format, options: [], metrics: nil, views: vd)
self.contentView.addConstraints(header_constraint_H)
self.contentView.addConstraints(header_constraint_V)
self.contentView.addConstraints(bubble_constraint_H)
self.contentView.addConstraints(bubble_constraint_V)
self.contentView.addConstraints(content_constraint_H)
self.contentView.addConstraints(content_constraint_V)
}
}
//头像
lazy var headerImgView : UIImageView = {
let v = UIImageView()
v.translatesAutoresizingMaskIntoConstraints = false
v.layer.cornerRadius = 25
v.layer.masksToBounds = true
return v
}()
//内容
lazy var contentLbl : UILabel = {
let v = UILabel()
v.translatesAutoresizingMaskIntoConstraints = false
v.numberOfLines = 0
return v
}()
//气泡
lazy var bubbleImgView : UIImageView = {
let v = UIImageView()
v.translatesAutoresizingMaskIntoConstraints = false
return v
}()
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
followInit()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
followInit()
}
func followInit(){
self.selectionStyle = .None
}
}
//额外功能 输入框
class ChatInputTool : UIView {
var hasTxt : Bool? {
didSet {
senderTool.enabled = hasTxt ?? false
senderTool.backgroundColor = (hasTxt ?? false) ? UIColor(red:0.53, green:0.85, blue:0.41, alpha:1.00) : UIColor(red:0.40, green:0.40, blue:0.40, alpha:1.00)
}
}
var inputTool : UITextField = {
let v = UITextField()
v.translatesAutoresizingMaskIntoConstraints = false
v.layer.cornerRadius = 4
v.layer.borderColor = UIColor.lightGrayColor().CGColor
v.layer.borderWidth = 1
v.font = UIFont.FontTextStyleSubheadline
v.leftView = UIView(frame: CGRect(x: 0, y: 0, width: 10, height: 20))
v.leftViewMode = .Always
return v
}()
var senderTool : UIButton = {
let v = UIButton()
v.translatesAutoresizingMaskIntoConstraints = false
v.backgroundColor = UIColor(red:0.40, green:0.40, blue:0.40, alpha:1.00)
v.layer.cornerRadius = 4
v.layer.masksToBounds = true
v.setTitle("发送", forState: .Normal)
v.titleLabel?.font = UIFont.FontTextStyleSubheadline
v.titleLabel?.textAlignment = .Center
v.enabled = false
return v
}()
override init(frame: CGRect) {
super.init(frame: frame)
followInit()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
followInit()
}
var vd : [String : AnyObject] = [String : AnyObject]()
func followInit(){
self.addSubview(inputTool)
self.addSubview(senderTool)
vd = ["inputTool" : inputTool , "senderTool" : senderTool]
self.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("|-10-[inputTool]-20-[senderTool(70)]-10-|", options: [], metrics: nil, views: vd))
self.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-[inputTool]-|", options: [], metrics: nil, views: vd))
self.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-[senderTool]-|", options: [], metrics: nil, views: vd))
}
}
extension UITableView {
// 输入文字自动滚动至底部
func scrollToBottom (handler : (()->())? = nil) {
let sections = self.numberOfSections
let rows = self.numberOfRowsInSection(sections - 1)
let sections_rows = NSIndexPath(forRow: rows - 1, inSection: sections - 1)
self.scrollToRowAtIndexPath(sections_rows, atScrollPosition: .Bottom, animated: true)
if let d = handler {
d()
}
}
}
// 键盘控制
class AtuoKeyboardManager: NSObject {
var view: UIView
var inputView: UIView
var ifNotRootViewDistance : CGFloat
var cover: UIView?
var inputVisiableHeight : CGFloat
init(translateView: UIView, inputView: UIView , ifNotRootViewDistance : CGFloat = 0 , inputVisiableHeight : CGFloat = 0) {
self.view = translateView
self.inputView = inputView
self.ifNotRootViewDistance = ifNotRootViewDistance
self.inputVisiableHeight = inputVisiableHeight
super.init()
}
func addObserver() {
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(keyboardShow(_:)), name: UIKeyboardWillShowNotification, object: nil)
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(keyboardHide(_:)), name: UIKeyboardWillHideNotification, object: nil)
}
func removeObserver() {
NSNotificationCenter.defaultCenter().removeObserver(self, name: UIKeyboardWillShowNotification, object: nil)
NSNotificationCenter.defaultCenter().removeObserver(self, name: UIKeyboardWillHideNotification, object: nil)
}
func keyboardShow(notification: NSNotification) {
let userInfo = notification.userInfo! as NSDictionary
let keyboardHeight = userInfo.objectForKey(UIKeyboardFrameEndUserInfoKey)?.CGRectValue().size.height ?? 0
let duration: NSTimeInterval = userInfo.objectForKey(UIKeyboardAnimationCurveUserInfoKey)?.doubleValue ?? 0
let options = UIViewAnimationOptions.CurveEaseInOut
let delta = keyboardHeight - (BasicValue.screenHeight - self.inputView.frame.maxY) + ifNotRootViewDistance
if delta > 0 {
UIView.animateWithDuration(duration, delay: 0, options:options, animations: { [weak self] _ in
if let strongSelf = self {
strongSelf.view.transform = CGAffineTransformMakeTranslation(0, -delta - BasicValue.offSet)
}
}) { _ in
}
}
addCover()
}
func keyboardHide(notification: NSNotification) {
let userInfo = notification.userInfo! as NSDictionary
let duration: NSTimeInterval = userInfo.objectForKey(UIKeyboardAnimationCurveUserInfoKey)?.doubleValue ?? 0
let options = UIViewAnimationOptions.CurveEaseInOut
UIView.animateWithDuration(duration, delay: 0, options: options, animations: { [weak self] _ in
if let strongSelf = self {
strongSelf.view.transform = CGAffineTransformIdentity
}
}){ _ in
}
self.removeObserver()
}
func addCover() {
cover = UIView(frame: CGRect(x: 0, y: 0, width: self.view.bounds.width, height: self.view.bounds.height - inputVisiableHeight))
self.view.addSubview(cover!)
let tap = UITapGestureRecognizer(target: self, action: #selector(coverTapped))
cover!.addGestureRecognizer(tap)
}
func removeCover() {
cover?.removeFromSuperview()
cover = nil
}
func coverTapped() {
self.view.endEditing(true)
removeCover()
}
struct BasicValue {
static var offSet: CGFloat = 1.0
static let screenHeight = UIScreen.mainScreen().bounds.size.height
}
}
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