Add a keyboard dismiss text field

Author: bcylin

Example/Example/ExampleViewController.swift

@@ -37,7 +37,7 @@ class ExampleViewController: UIViewController, UITableViewDataSource {
     return _tableView
   }()
 
-  private let types: [UIView.Type] = [ICKeyboardDismissAccessoryView.self]
+  private let types: [UIView.Type] = [ICKeyboardDismissTextField.self]
 
   // MARK: - Initialization
 
@@ -66,18 +66,22 @@ class ExampleViewController: UIViewController, UITableViewDataSource {
   }
 
   func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
-    return String(types[section])
+    switch types[section] {
+    case is ICKeyboardDismissTextField.Type:
+      return "Dismiss Keyboard"
+    default:
+      return ""
+    }
   }
 
   func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
     let cell = tableView.dequeueReusableCellWithIdentifier(NSStringFromClass(ExampleCell.self), forIndexPath: indexPath)
     switch types[indexPath.section] {
-    case is ICKeyboardDismissAccessoryView.Type:
-      let textField = UITextField()
+    case let type as ICKeyboardDismissTextField.Type:
+      let textField = type.init()
       textField.leftViewMode = .Always
       textField.leftView = UIView(frame: CGRect(x: 0, y: 0, width: 15, height: 15))
-      textField.inputAccessoryView = ICKeyboardDismissAccessoryView()
-      textField.placeholder = String(ICKeyboardDismissAccessoryView.self)
+      textField.placeholder = String(type)
       (cell as? ExampleCell)?.showcase = textField
     default:
       break

Source/ICKeyboardDismissAccessoryView.swift

@@ -28,7 +28,7 @@ import UIKit
 
 public class ICKeyboardDismissAccessoryView: UIView {
 
-  private(set) lazy var dismissButton: UIButton = {
+  public private(set) lazy var dismissButton: UIButton = {
     let _button = UIButton()
     let resources = NSBundle(forClass: self.dynamicType)
     let icon = UIImage(named: "icook-iphone-button-hide-keyboard", inBundle: resources, compatibleWithTraitCollection: nil)

Source/ICKeyboardDismissTextField.swift

@@ -0,0 +1,65 @@
+//
+//  ICKeyboardDismissTextField.swift
+//  ICInputAccessory
+//
+//  Created by Ben on 07/03/2016.
+//  Copyright © 2016 Polydice, Inc.
+//
+//  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.
+//
+
+import UIKit
+
+public class ICKeyboardDismissTextField: UITextField {
+
+  private lazy var accessoryView: UIView = {
+    let _accessory = ICKeyboardDismissAccessoryView()
+    _accessory.dismissButton.addTarget(self, action: Selector("dismiss:"), forControlEvents: .TouchUpInside)
+    return _accessory
+  }()
+
+  // MARK: - Initialization
+
+  override public init(frame: CGRect) {
+    super.init(frame: frame)
+    inputAccessoryView = accessoryView
+  }
+
+  required public init?(coder aDecoder: NSCoder) {
+    super.init(coder: aDecoder)
+    inputAccessoryView = accessoryView
+  }
+
+  // MARK: - UIResponder
+
+  override public func becomeFirstResponder() -> Bool {
+    accessoryView.alpha = 1
+    return super.becomeFirstResponder()
+  }
+
+  // MARK: - Private Methods
+
+  @IBAction private func dismiss(sender: UIButton) {
+    resignFirstResponder()
+    UIView.animateWithDuration(0.3) {
+      self.accessoryView.alpha = 0
+    }
+  }
+
+}