ChatViewController

class ChatViewController: SLKTextViewController {
    
    var messages:[Message] = []
    
    override class func tableViewStyleForCoder(decoder: NSCoder) -> UITableViewStyle {
        return .Plain
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.textView.placeholder = "Message";
        
        if let tableView = self.tableView {
            tableView.separatorStyle = .None
            tableView.registerClass(TableViewCell.classForCoder(),forCellReuseIdentifier: "cell")
            tableView.rowHeight = UITableViewAutomaticDimension
            tableView.estimatedRowHeight = 2
        }
        
        // NSNotification
        NSNotificationCenter.defaultCenter().addObserver(self,
                                                         selector: #selector(ChatViewController.noticeReceived),
                                                         name: "notireceived", object: nil)
        self.dummyMessage()
        self.tableView!.sectionHeaderHeight = 300
    }
    
    func dummyMessage(){
        for _ in 0..<10 {
            let m = Message()
            m.name = "Name"
            m.text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
            self.messages.insert(m, atIndex: 0)
            self.tableView?.reloadData()
        }
        self.tableView?.reloadData()
    }
    
    func noticeReceived() {
        
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
    
    func addMessage(name: String,msg: String,right: Bool = true) {
        let m = Message()
        m.name = name
        m.text = msg
        self.messages.insert(m, atIndex: 0)
        self.tableView?.reloadData()
    }
    
    override func didPressRightButton(sender: AnyObject?) {
        addMessage("name",msg:self.textView.text)
        self.textView.text = ""
    }
    
    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 1
    }
    
    override func tableView(tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
        return messages.count
    }
    
    override func tableView(tableView: UITableView, cellForRowAtIndexPath
        indexPath: NSIndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCellWithIdentifier("cell",forIndexPath: indexPath) as! TableViewCell
        cell.selectionStyle = UITableViewCellSelectionStyle.None
        let m = messages[indexPath.row]
        cell.name.text = m.name
        cell.comment.text = m.text
        cell.comment.numberOfLines = 0
        cell.transform = self.tableView!.transform
        return cell
    }
    
    override func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell,forRowAtIndexPath indexPath: NSIndexPath) {
        
    }
    
}

Message

class Message {
    var right: Bool = true
    var text: String = ""
    var name: String = ""
}

SLKTextViewControllerSmple

import UIKit
import SnapKit
import SlackTextViewController

TableViewCell

class TableViewCell: UITableViewCell {
    
    var comment:UILabel = UILabel()
    var name :UILabel = UILabel()
    var right_:Bool = true
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        self.contentView.autoresizingMask = autoresizingMask;
        
        self.contentView.addSubview(name)
        self.contentView.addSubview(comment)
        
        name.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(self.contentView.snp_top).offset(20)
            make.left.equalTo(self.contentView.snp_left).offset(20)
            make.right.equalTo(self.contentView.snp_right).offset(-20)
        }
        
        comment.snp_makeConstraints { (make) -> Void in
            make.top.equalTo(name.snp_bottom).offset(10)
            make.left.equalTo(self.contentView.snp_left).offset(20)
            make.bottom.equalTo(self.contentView.snp_bottom).offset(-10)
            make.right.equalTo(self.contentView.snp_right).offset(-10)
        }
    }

    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }
}