Add tokenField(_:didDeleteText:atIndex:) to ICTokenFieldDelegate

Author: bcylin

Example/Example/CustomizedTokenViewController.swift

@@ -27,15 +27,21 @@
 import UIKit
 import ICInputAccessory
 
-class CustomizedTokenViewController: UIViewController {
+class CustomizedTokenViewController: UIViewController, ICTokenFieldDelegate {
 
   private let tokenField = CustomizedTokenField()
+  private let textView = UITextView()
 
   // MARK: - UIViewController
 
   override func loadView() {
     super.loadView()
     view.backgroundColor = UIColor.whiteColor()
+    textView.text = "[\n\n]";
+    textView.font = UIFont.preferredFontForTextStyle(UIFontTextStyleSubheadline)
+    textView.frame = view.bounds.insetBy(dx: 10, dy: 10)
+    textView.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]
+    view.addSubview(textView)
   }
 
   override func viewDidLoad() {
@@ -49,6 +55,7 @@ class CustomizedTokenViewController: UIViewController {
     navigationItem.rightBarButtonItem = cancelBarButton
 
     navigationItem.titleView = tokenField
+    tokenField.delegate = self
   }
 
   override func viewWillAppear(animated: Bool) {
@@ -59,6 +66,31 @@ class CustomizedTokenViewController: UIViewController {
   override func viewWillDisappear(animated: Bool) {
     super.viewWillAppear(animated)
     tokenField.resignFirstResponder()
+    textView.endEditing(true)
+  }
+
+  // MARK: - ICTokenFieldDelegate
+
+  func tokenFieldDidBeginEditing(tokenField: ICTokenField) {
+    print(__FUNCTION__)
+  }
+
+  func tokenFieldDidEndEditing(tokenField: ICTokenField) {
+    print(__FUNCTION__)
+  }
+
+  func tokenFieldWillReturn(tokenField: ICTokenField) {
+    print(__FUNCTION__)
+  }
+
+  func tokenField(tokenField: ICTokenField, didEnterText text: String) {
+    print("Add: \"\(text)\"")
+    updateTexts()
+  }
+
+  func tokenField(tokenField: ICTokenField, didDeleteText text: String, atIndex index: Int) {
+    print("Delete: \"\(text)\"")
+    updateTexts()
   }
 
   // MARK: - UIResponder Callbacks
@@ -67,4 +99,10 @@ class CustomizedTokenViewController: UIViewController {
     presentingViewController?.dismissViewControllerAnimated(true, completion: nil)
   }
 
+  // MARK: - Private Methods
+
+  private func updateTexts() {
+    textView.text = "[\n  " + tokenField.texts.map { "\"" + $0 + "\"" } .joinWithSeparator(",\n  ") + "\n]"
+  }
+
 }

Source/ICTokenField.swift

@@ -31,6 +31,7 @@ public protocol ICTokenFieldDelegate: class {
   func tokenFieldDidEndEditing(tokenField: ICTokenField)
   func tokenFieldWillReturn(tokenField: ICTokenField)
   func tokenField(tokenField: ICTokenField, didEnterText text: String)
+  func tokenField(tokenField: ICTokenField, didDeleteText text: String, atIndex index: Int)
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -319,6 +320,7 @@ public class ICTokenField: UIView, UITextFieldDelegate, ICBackspaceTextFieldDele
         layoutTokenTextField()
         togglePlaceholderIfNeeded()
         inputTextField.showsCursor = true
+        delegate?.tokenField(self, didDeleteText: token.text, atIndex: index)
         return true
       }
     }