Add tokenField(_:didChangeInputText:)

Author: bcylin

CHANGELOG.md

@@ -1,3 +1,18 @@
+## v1.4.0
+
+* Added delegate methods:
+
+  ```swift
+@objc optional func tokenField(_ tokenField: ICTokenField, didChangeInputText text: String)
+@objc optional func tokenField(_ tokenField: ICTokenField, shouldCompleteText text: String) -> Bool
+```
+
+* Changed delegate method:
+
+  ```swift
+@objc optional func tokenField(_ tokenField: ICTokenField, didCompleteText text: String)
+```
+
 ## v1.3.0
 
 * Swift 3.0

Example/CustomizedTokenViewController.swift

@@ -83,6 +83,10 @@ class CustomizedTokenViewController: UIViewController, ICTokenFieldDelegate {
     print(#function)
   }
 
+  func tokenField(_ tokenField: ICTokenField, didChangeInputText text: String) {
+    print("Typing \"\(text)\"")
+  }
+
   func tokenField(_ tokenField: ICTokenField, shouldCompleteText text: String) -> Bool {
     print("Should add \"\(text)\"?")
     return text != "42"

README.md

@@ -135,6 +135,7 @@ See `Example/CustomizedTokenField.swift` for more details.
 * `tokenFieldDidBeginEditing(_:)`
 * `tokenFieldDidEndEditing(_:)`
 * `tokenFieldWillReturn(_:)`
+* `tokenField(_:didChangeInputText:)`
 * `tokenField(_:shouldCompleteText:)`
 * `tokenField(_:didCompleteText:)`
 * `tokenField(_:didDeleteText:atIndex:)`

Source/TokenField/ICTokenField.swift

@@ -34,6 +34,8 @@ import UIKit
   @objc optional func tokenFieldDidEndEditing(_ tokenField: ICTokenField)
   /// Tells the delegate that the token field will process the pressing of the return button.
   @objc optional func tokenFieldWillReturn(_ tokenField: ICTokenField)
+  /// Tells the delegate the input text is changed.
+  @objc optional func tokenField(_ tokenField: ICTokenField, didChangeInputText text: String)
   /// Asks the delegate if the text should become a token in the token field.
   @objc optional func tokenField(_ tokenField: ICTokenField, shouldCompleteText text: String) -> Bool
   /// Tells the delegate that the text becomes a token in the token field.
@@ -289,6 +291,7 @@ open class ICTokenField: UIView, UITextFieldDelegate, ICBackspaceTextFieldDelega
     }
 
     let text = (input as NSString).replacingCharacters(in: range, with: string)
+    delegate?.tokenField?(self, didChangeInputText: text)
 
     for delimiter in delimiters {
       guard text.hasSuffix(delimiter) else {