Core Apps » ChatSecure:Android

//

//  OTRUsernameCell.swift

//  ChatSecure

//

//  Created by Christopher Ballinger on 8/4/15.

//  Copyright (c) 2015 Chris Ballinger. All rights reserved.

//

import UIKit

import XLForm

import ParkedTextField

import OTRAssets

open class OTRUsernameValidator: NSObject, XLFormValidatorProtocol {

    open func isValid(_ row: XLFormRowDescriptor!) -> XLFormValidationStatus! {

        var isValid = false

        if let value = row.value as? String {

            let (username, domain) = OTRUsernameCell.splitJID(value)

            if username.count > 0 && domain.count > 0 {

                isValid = true

            }

        }

        let status: XLFormValidationStatus = XLFormValidationStatus(msg: "", status: isValid, rowDescriptor: row)

        return status

    }

}

@objc(OTRUsernameCell)

open class OTRUsernameCell: XLFormBaseCell, UITextFieldDelegate {

    @IBOutlet var usernameLabel: UILabel!

    @IBOutlet var usernameField: ParkedTextField!

    deinit {

        self.usernameField.delegate = nil

    }

    override open func awakeFromNib() {

        super.awakeFromNib()

        // Initialization code

        self.usernameField.delegate = self

    }

    // MARK: XLFormBaseCell overrides

    override open func configure() {

        super.configure()

        self.selectionStyle = UITableViewCellSelectionStyle.none

    }

    override open func highlight() {

        super.highlight()

        self.usernameLabel.textColor = self.tintColor

    }

    override open func unhighlight() {

        super.unhighlight()

        self.formViewController().updateFormRow(self.rowDescriptor)

    }

    override open func update() {

        super.update()

        self.usernameField.delegate = self

        self.usernameLabel.textColor = UIColor.darkText

        if let value = self.rowDescriptor!.value as? NSString {

            let (username, domain) = OTRUsernameCell.splitJID(value as String)

            if username.count > 0 {

                self.usernameField.typedText = username

            }

            if domain.count > 0 {

                self.usernameField.parkedText = "@" + domain

            }

        }

    }

    // MARK: XLFormDescriptorCell

    override open static func formDescriptorCellHeight(for rowDescriptor: XLFormRowDescriptor!) -> CGFloat {

        return 43

    }

    override open func formDescriptorCellCanBecomeFirstResponder() -> Bool {

        return !self.rowDescriptor!.isDisabled()

    }

    override open func formDescriptorCellBecomeFirstResponder() -> Bool {

        self.highlight()

        return self.usernameField.becomeFirstResponder()

    }

    // MARK: UITextFieldDelegate

    open func textFieldShouldClear(_ textField: UITextField) -> Bool {

        return self.formViewController().textFieldShouldClear(textField)

    }

    open func textFieldShouldReturn(_ textField: UITextField) -> Bool {

        return self.formViewController().textFieldShouldReturn(textField)

    }

    open func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {

        return self.formViewController().textFieldShouldBeginEditing(textField)

    }

    open func textFieldShouldEndEditing(_ textField: UITextField) -> Bool {

        return self.formViewController().textFieldShouldEndEditing(textField)

    }

    open func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {

        return self.formViewController().textField(textField, shouldChangeCharactersIn: range, replacementString: string)

    }

    open func textFieldDidBeginEditing(_ textField: UITextField) {

        self.formViewController().beginEditing(self.rowDescriptor)

        self.formViewController().textFieldDidBeginEditing(textField)

    }

    open func textFieldDidEndEditing(_ textField: UITextField) {

        self.textFieldValueChanged(self.usernameField)

        self.formViewController().endEditing(self.rowDescriptor)

        self.formViewController().textFieldDidEndEditing(textField)

    }

    // MARK: UITextField value changes

    @IBAction func textFieldValueChanged(_ sender: ParkedTextField) {

        let value = sender.typedText + sender.parkedText

        rowDescriptor?.value = value

    }

    // MARK: Private methods

    fileprivate static func splitJID(_ jid: String) -> (username: String, domain: String) {

        let value = jid as NSString

        var username: String = ""

        var domain: String = ""

        if value.contains("@") {

            let components = value.components(separatedBy: "@")

            username = components.first ?? ""

            domain = components.last ?? ""

        } else {

            domain = value as String

        }

        return (username, domain)

    }

}