disabled color

README.md

@@ -141,6 +141,12 @@ class MyViewController: UIViewController, UITextFieldDelegate {
 }
 ```
 
+### Disabled state
+The textfield also supports displaying a disabled state. When the `isEnabled` property is set on the control, then the control is highlighted with the color set in the `disabledColor` property.
+```swift
+    textField.disabledColor = disabledColor
+    textField.isEnabled = false
+```
 ### RTL language support
 
 The component automatically detects the language writing direction. When the phone has a RTL language set (e.g. Arabic or Hebrew), then it automatically adjusts to support this style.

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Base.lproj/SkyFloatingLabelTextField.strings

@@ -34,4 +34,11 @@
 "error message" = "error message";
 
 /* */
-"Email not valid" = "Email not valid";
+"Email not valid" = "Email not valid";
+
+/* Disable text field*/
+"Disable text field" = "Disable text field";
+
+/* Enable text field*/
+"Enable text field" = "Enable text field";
+

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example1/SettingTextsViewController.swift

@@ -92,4 +92,10 @@ class SettingTextsViewController: UIViewController {
             break
         }
     }
+
+    @IBAction func enabledChanged(_ sender: Any) {
+        if let textField = textField {
+            textField.isEnabled = !textField.isEnabled
+        }
+    }
 }

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example2/CustomizingColorsViewController.swift

@@ -25,7 +25,8 @@ class CustomizingColorsViewController: UIViewController {
     @IBOutlet weak var errorColorControl: UISegmentedControl?
 
     @IBOutlet var addErrorButton: UIButton?
-
+    @IBOutlet var enableButton: UIButton?
+
     // MARK: - view lifecycle
 
     override func viewDidLoad() {
@@ -85,6 +86,29 @@ class CustomizingColorsViewController: UIViewController {
         }
     }
 
+    @IBAction func toggleEnable(_ sender: Any) {
+        if let textField = textField {
+            textField.isEnabled = !textField.isEnabled
+            if textField.isEnabled {
+                enableButton?.setTitle(
+                    NSLocalizedString(
+                        "Enable text field",
+                        tableName: "SkyFloatingLabelTextField",
+                        comment: "enable button title"
+                    ),
+                    for: .normal)
+            } else {
+                enableButton?.setTitle(
+                    NSLocalizedString(
+                        "Disable text field",
+                        tableName: "SkyFloatingLabelTextField",
+                        comment: "enable button title"
+                    ),
+                    for: .normal)
+            }
+        }
+    }
+
     @IBAction func resignTextField() {
         textField?.resignFirstResponder()
     }
@@ -119,6 +143,10 @@ class CustomizingColorsViewController: UIViewController {
             colorForSegmentIndex(segmentIndex: segmentedControl.selectedSegmentIndex)
     }
 
+    @IBAction func disabledColorChanged(_ segmentedControl: UISegmentedControl) {
+        textField?.disabledColor =
+            colorForSegmentIndex(segmentIndex: segmentedControl.selectedSegmentIndex)
+    }
     // MARK: helper
 
     func colorForSegmentIndex(segmentIndex: Int) -> UIColor {

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldTests/SkyFloatingLabelTextFieldTests.swift

@@ -146,7 +146,107 @@ class SkyFloatingLabelTextFieldTests: XCTestCase { // swiftlint:disable:this typ
         // then
         XCTAssertEqual(floatingLabelTextField.titleLabel.textColor, self.customColor)
     }
+
+    func test_whenSettingDisabledColor_withTextFieldBeingEnabled_thenTitleLabelTextColorIsNotChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = true
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        XCTAssertNotEqual(floatingLabelTextField.titleLabel.textColor, self.customColor)
+    }
 
+    func test_whenSettingDisabledColor_withTextFieldBeingEnabled_thenPlaceholderColorIsNotChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = true
+        floatingLabelTextField.placeholder = "test"
+        var fullRange =
+            NSRange(location: 0, length: floatingLabelTextField.placeholder!.characters.count)
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        #if swift(>=4.0)
+            XCTAssertNotEqual(
+                floatingLabelTextField.attributedPlaceholder!.attribute(
+                    NSAttributedStringKey.foregroundColor, at: 0, effectiveRange: &fullRange
+                    ) as? UIColor,
+                customColor
+            )
+        #else
+            XCTAssertNotEqual(
+                floatingLabelTextField.attributedPlaceholder!.attribute(
+                    NSForegroundColorAttributeName, at: 0, effectiveRange: &fullRange
+                ) as? UIColor,
+                customColor
+            )
+        #endif
+    }
+
+    func test_whenSettingDisabledColor_withTextFieldBeingEnabled_thenLineViewBackgroundColorIsNotChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = true
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        XCTAssertNotEqual(floatingLabelTextField.lineView.backgroundColor, self.customColor)
+    }
+
+    func test_whenSettingDisabledColor_withTextFieldBeingDisabled_thenTitleLabelTextColorIsChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = false
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        XCTAssertEqual(floatingLabelTextField.titleLabel.textColor, self.customColor)
+    }
+
+    func test_whenSettingDisabledColor_withTextFieldBeingDisabled_thenPlaceholderColorIsChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = false
+        floatingLabelTextField.placeholder = "test"
+        var fullRange =
+            NSRange(location: 0, length: floatingLabelTextField.placeholder!.characters.count)
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        #if swift(>=4.0)
+            XCTAssertEqual(
+                floatingLabelTextField.attributedPlaceholder!.attribute(
+                    NSAttributedStringKey.foregroundColor, at: 0, effectiveRange: &fullRange
+                    ) as? UIColor,
+                customColor
+            )
+        #else
+            XCTAssertEqual(
+                floatingLabelTextField.attributedPlaceholder!.attribute(
+                    NSForegroundColorAttributeName, at: 0, effectiveRange: &fullRange
+                ) as? UIColor,
+                customColor
+            )
+        #endif
+    }
+
+    func test_whenSettingDisabledColor_withTextFieldBeingDisabled_thenLineViewBackgroundColorIsChangedToThisColor() {
+        // given
+        floatingLabelTextField.isEnabled = false
+
+        // when
+        floatingLabelTextField.disabledColor = self.customColor
+
+        // then
+        XCTAssertEqual(floatingLabelTextField.lineView.backgroundColor, self.customColor)
+    }
+
     // MARK: - fonts
 
     func test_whenSettingPlaceholderFont_thenAttributedPlaceholderTextIsSet_withFont() {

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldTests/SkyFloatingLabelTextFieldWithIconTests.swift

@@ -57,7 +57,16 @@ class SkyFloatingLabelTextFieldWithIconTests: XCTestCase {
         // then
         XCTAssertEqual(floatingLabelTextFieldWithIcon.iconLabel.textColor, customColor)
     }
-
+
+    func test_whenSettingDisabledColor_withTextFieldBeingDisabled_thenColorAppliedToIconLabel() {
+        // when
+        floatingLabelTextFieldWithIcon.disabledColor = customColor
+        floatingLabelTextFieldWithIcon.isEnabled = false
+
+        // then
+        XCTAssertEqual(floatingLabelTextFieldWithIcon.iconLabel.textColor, customColor)
+    }
+
     func test_whenSettingSelectedIconColor_withTextFieldBeingSelected_thenColorAppliedToIconLabel() {
         // when
         floatingLabelTextFieldWithIcon.selectedIconColor = customColor

Sources/SkyFloatingLabelTextField.swift

@@ -74,21 +74,23 @@ open class SkyFloatingLabelTextField: UITextField { // swiftlint:disable:this ty
     }
 
     fileprivate func updatePlaceholder() {
-        if let placeholder = placeholder, let font = placeholderFont ?? font {
-            #if swift(>=4.0)
-                attributedPlaceholder = NSAttributedString(
-                    string: placeholder,
-                    attributes: [
-                        NSAttributedStringKey.foregroundColor: placeholderColor, NSAttributedStringKey.font: font
-                    ]
-                )
-            #else
-                attributedPlaceholder = NSAttributedString(
-                    string: placeholder,
-                    attributes: [NSForegroundColorAttributeName: placeholderColor, NSFontAttributeName: font]
-                )
-            #endif
+        guard let placeholder = placeholder, let font = placeholderFont ?? font else {
+            return
         }
+        let color = isEnabled ? placeholderColor : disabledColor
+        #if swift(>=4.0)
+            attributedPlaceholder = NSAttributedString(
+                string: placeholder,
+                attributes: [
+                    NSAttributedStringKey.foregroundColor: color, NSAttributedStringKey.font: font
+                ]
+            )
+        #else
+            attributedPlaceholder = NSAttributedString(
+                string: placeholder,
+                attributes: [NSForegroundColorAttributeName: color, NSFontAttributeName: font]
+            )
+        #endif
     }
 
     /// A UIFont value that determines the text font of the title label
@@ -118,6 +120,14 @@ open class SkyFloatingLabelTextField: UITextField { // swiftlint:disable:this ty
             updateColors()
         }
     }
+
+    /// A UIColor value that determines the color used for the title label and line when text field is disabled
+    @IBInspectable dynamic open var disabledColor: UIColor = UIColor(white: 0.88, alpha: 1.0) {
+        didSet {
+            updateControl()
+            updatePlaceholder()
+        }
+    }
 
     /// A UIColor value that determines the text color of the title label when editing
     @IBInspectable dynamic open var selectedTitleColor: UIColor = .blue {
@@ -359,6 +369,14 @@ open class SkyFloatingLabelTextField: UITextField { // swiftlint:disable:this ty
         return result
     }
 
+    /// update colors when is enabled changed
+    override open var isEnabled: Bool {
+        didSet {
+            updateControl()
+            updatePlaceholder()
+        }
+    }
+
     // MARK: - View updates
 
     fileprivate func updateControl(_ animated: Bool = false) {
@@ -384,15 +402,19 @@ open class SkyFloatingLabelTextField: UITextField { // swiftlint:disable:this ty
     }
 
     fileprivate func updateLineColor() {
-        if hasErrorMessage {
+        if !isEnabled {
+            lineView.backgroundColor = disabledColor
+        } else if hasErrorMessage {
             lineView.backgroundColor = errorColor
         } else {
             lineView.backgroundColor = editingOrSelected ? selectedLineColor : lineColor
         }
     }
 
     fileprivate func updateTitleColor() {
-        if hasErrorMessage {
+        if !isEnabled {
+            titleLabel.textColor = disabledColor
+        } else if hasErrorMessage {
             titleLabel.textColor = errorColor
         } else {
             if editingOrSelected || isHighlighted {
@@ -404,7 +426,9 @@ open class SkyFloatingLabelTextField: UITextField { // swiftlint:disable:this ty
     }
 
     fileprivate func updateTextColor() {
-        if hasErrorMessage {
+        if !isEnabled {
+            super.textColor = disabledColor
+        } else if hasErrorMessage {
             super.textColor = errorColor
         } else {
             super.textColor = cachedTextColor

Sources/SkyFloatingLabelTextFieldWithIcon.swift

@@ -134,7 +134,9 @@ open class SkyFloatingLabelTextFieldWithIcon: SkyFloatingLabelTextField {
     }
 
     fileprivate func updateIconLabelColor() {
-        if self.hasErrorMessage {
+        if !isEnabled {
+            iconLabel?.textColor = disabledColor
+        } else if hasErrorMessage {
             iconLabel?.textColor = errorColor
         } else {
             iconLabel?.textColor = editingOrSelected ? selectedIconColor : iconColor