// // InputBarViewController.swift // InputBarAccessoryView // // Copyright © 2017-2019 Nathan Tannar. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. // // Created by Nathan Tannar on 9/13/18. // import UIKit /// An simple `UIViewController` subclass that is ready to work /// with an `inputAccessoryView` open class InputBarViewController: UIViewController, InputBarAccessoryViewDelegate { /// A powerful InputAccessoryView ideal for messaging applications public let inputBar = InputBarAccessoryView() /// A boolean value that when changed will update the `inputAccessoryView` /// of the `InputBarViewController`. When set to `TRUE`, the /// `inputAccessoryView` is set to `nil` and the `inputBar` slides off /// the screen. /// /// The default value is FALSE open var isInputBarHidden: Bool = false { didSet { isInputBarHiddenDidChange() } } open override var inputAccessoryView: UIView? { return isInputBarHidden ? nil : inputBar } open override var canBecomeFirstResponder: Bool { return !isInputBarHidden } open override func viewDidLoad() { super.viewDidLoad() inputBar.delegate = self } /// Invoked when `isInputBarHidden` changes to become or /// resign first responder open func isInputBarHiddenDidChange() { if isInputBarHidden, isFirstResponder { resignFirstResponder() } else if !isFirstResponder { becomeFirstResponder() } } @discardableResult open override func resignFirstResponder() -> Bool { inputBar.inputTextView.resignFirstResponder() return super.resignFirstResponder() } // MARK: - InputBarAccessoryViewDelegate open func inputBar(_ inputBar: InputBarAccessoryView, didPressSendButtonWith text: String) { } open func inputBar(_ inputBar: InputBarAccessoryView, textViewTextDidChangeTo text: String) { } open func inputBar(_ inputBar: InputBarAccessoryView, didChangeIntrinsicContentTo size: CGSize) { } open func inputBar(_ inputBar: InputBarAccessoryView, didSwipeTextViewWith gesture: UISwipeGestureRecognizer) { } }