- Code optimized

- Example updated with keyboard notificaiton
- Project file updated
2017-04-07 16:42:33 +05:30 · 2017-04-07 16:38:28 +05:30 · 2017-04-04 12:36:22 +05:30 · 2017-04-04 12:31:02 +05:30 · 2017-04-04 12:29:13 +05:30 · 2017-04-04 12:22:52 +05:30
10 changed files with 719 additions and 63 deletions
@@ -1 +1,2 @@
-*.xcodeproj
+
+_Pods.xcodeproj
@@ -9,7 +9,7 @@
 Pod::Spec.new do |s|

 s.name             = 'DTTextField'
-s.version          = '0.2.0'
+s.version          = '0.2.1'
 s.summary          = 'DTTextField is UITextField library.'

  s.description      = <<-DESC
@@ -10,14 +10,7 @@ import Foundation
 import UIKit

 public extension String {
-    
-    func heightWithConstrainedWidth(width: CGFloat, font: UIFont) -> CGFloat {
-        let constraintRect = CGSize(width: width, height: .greatestFiniteMagnitude)
-        let boundingBox = self.boundingRect(with: constraintRect, options: .usesLineFragmentOrigin, attributes: [NSFontAttributeName: font], context: nil)
-        
-        return boundingBox.height
-    }
-    
+
    var isEmptyStr:Bool{
        return self.trimmingCharacters(in: NSCharacterSet.whitespaces).isEmpty
    }
@@ -30,15 +23,20 @@ public class DTTextField: UITextField {
    
    fileprivate let paddingX:CGFloat                        = 5.0
    fileprivate let floatingLabelShowAnimationDuration      = 0.3
+    fileprivate let paddingHeight:CGFloat                   = 10.0
    
    public var dtLayer:CALayer                         = CALayer()
    public var floatPlaceholderColor:UIColor           = UIColor.black
    public var floatPlaceholderActiveColor:UIColor     = UIColor.black
    
+    
    public var errorMessage:String = ""{
        didSet{ lblError.text = errorMessage }
    }
    
+    public var animateFloatPlaceholder:Bool = true
+    public var hideErrorWhenEditing:Bool   = true
+    
    public var errorFont = UIFont.systemFont(ofSize: 10.0){
        didSet{ invalidateIntrinsicContentSize() }
    }
@@ -95,10 +93,6 @@ public class DTTextField: UITextField {
        return width - (self.x * 2)
    }
    
-    fileprivate var floatLabelHeight:CGFloat{
-        return lblFloatPlaceholder.text!.heightWithConstrainedWidth(width: floatLabelWidth, font: floatPlaceholderFont)
-    }
-    
    fileprivate var placeholderFinal:String{
        if let attributed = attributedPlaceholder { return attributed.string }
        return placeholder ?? " "
@@ -109,6 +103,8 @@ public class DTTextField: UITextField {
    public var showError:Bool = false{
        didSet{
            
+            guard showError != oldValue else { return }
+            
            guard showError else {
                hideErrorMessage()
                return
@@ -126,6 +122,10 @@ public class DTTextField: UITextField {
        }
    }
    
+    public override var text: String?{
+        didSet{ self.textFieldTextChanged() }
+    }
+    
    override public var placeholder: String?{
        didSet{
            
@@ -152,8 +152,6 @@ public class DTTextField: UITextField {
        commonInit()
    }
    
-    
-    
    fileprivate func commonInit() {
        
        dtLayer.cornerRadius        = 4.5
@@ -184,10 +182,12 @@ public class DTTextField: UITextField {
    }
    
    fileprivate func showErrorMessage(){
-        let errorHeight = errorMessage.heightWithConstrainedWidth(width: bounds.width, font: errorFont)
+        
        lblError.text = errorMessage
        lblError.isHidden = false
-        lblError.frame = CGRect(x: paddingX, y: 0, width: bounds.width - (paddingX * 2), height: errorHeight)
+        let boundWithPadding = CGSize(width: bounds.width - (x * 2), height: bounds.height)
+        let errorLabelSize =  lblError.sizeThatFits(boundWithPadding)
+        lblError.frame = CGRect(x: paddingX, y: 0, width: errorLabelSize.width, height: errorLabelSize.height)
        invalidateIntrinsicContentSize()
    }
    
@@ -198,68 +198,72 @@ public class DTTextField: UITextField {
        invalidateIntrinsicContentSize()
    }
    
-    fileprivate func showFloatingLabel() {
+    fileprivate func showFloatingLabel(_ animated:Bool) {
        
        let animations:(()->()) = {
            self.lblFloatPlaceholder.alpha = 1.0
-            self.lblFloatPlaceholder.frame = CGRect(x: self.x, y: self.paddingYFloatLabel, width: self.floatLabelWidth, height: self.floatLabelHeight)
+            self.lblFloatPlaceholder.frame = CGRect(x: self.lblFloatPlaceholder.frame.origin.x, y: self.paddingYFloatLabel, width: self.lblFloatPlaceholder.bounds.size.width, height: self.lblFloatPlaceholder.bounds.size.height)
        }
        
-        UIView.animate(withDuration: floatingLabelShowAnimationDuration,
-                       delay: 0.0,
-                       options: [.beginFromCurrentState,.curveEaseOut],
-                       animations: animations){ status in
-                        DispatchQueue.main.async {
-                            self.layoutIfNeeded()
-                        }
+        if animated && animateFloatPlaceholder {
+            UIView.animate(withDuration: floatingLabelShowAnimationDuration,
+                           delay: 0.0,
+                           options: [.beginFromCurrentState,.curveEaseOut],
+                           animations: animations){ status in
+                            DispatchQueue.main.async {
+                                self.layoutIfNeeded()
+                            }
+            }
+        }else{
+            animations()
        }
    }
    
-    fileprivate func hideFlotingLabel() {
+    fileprivate func hideFlotingLabel(_ animated:Bool) {
        
        let animations:(()->()) = {
            self.lblFloatPlaceholder.alpha = 0.0
-            let labelHeight = self.floatLabelHeight
-            self.lblFloatPlaceholder.frame = CGRect(x: self.x, y: labelHeight, width: self.floatLabelWidth, height: labelHeight)
+            self.lblFloatPlaceholder.frame = CGRect(x: self.lblFloatPlaceholder.frame.origin.x, y: self.lblFloatPlaceholder.font.lineHeight, width: self.lblFloatPlaceholder.bounds.size.width, height: self.lblFloatPlaceholder.bounds.size.height)
        }
        
-        UIView.animate(withDuration: floatingLabelShowAnimationDuration,
-                       delay: 0.0,
-                       options: [.beginFromCurrentState,.curveEaseOut],
-                       animations: animations){ status in
-                        DispatchQueue.main.async {
-                            self.layoutIfNeeded()
-                        }
+        if animated && animateFloatPlaceholder {
+            UIView.animate(withDuration: floatingLabelShowAnimationDuration,
+                           delay: 0.0,
+                           options: [.beginFromCurrentState,.curveEaseOut],
+                           animations: animations){ status in
+                            DispatchQueue.main.async {
+                                self.layoutIfNeeded()
+                            }
+            }
+        }else{
+            animations()
        }
    }
    
    fileprivate func insetRectForEmptyBounds(rect:CGRect) -> CGRect{
-        if showError {
-            let topInset = ((rect.size.height - lblError.bounds.size.height - paddingYErrorLabel) / 2.0) - (ceil(font!.lineHeight) / 2.0)
-            let textY = (rect.height / 2.0) - (ceil(font!.lineHeight) / 2.0) - topInset
-            
-            return CGRect(x: x, y: -ceil(textY), width: rect.size.width, height: rect.size.height)
-        }else{
-            return CGRect(x: x, y: 0.0, width: rect.width, height: rect.height)
-        }
+        
+        guard showError else { return CGRect(x: x, y: 0, width: rect.width, height: rect.height) }
+        
+        let topInset = (rect.size.height - lblError.bounds.size.height - paddingYErrorLabel - ceil(font!.lineHeight)) / 2.0
+        let textY = ((rect.height - ceil(font!.lineHeight)) / 2.0) - topInset
+        return CGRect(x: x, y: -ceil(textY), width: rect.size.width, height: rect.size.height)
    }
    
    fileprivate func insetRectForBounds(rect:CGRect) -> CGRect {
-        guard !lblFloatPlaceholder.text!.isEmptyStr else {
-            return insetRectForEmptyBounds(rect: rect)
-        }
+        guard !lblFloatPlaceholder.text!.isEmptyStr else { return insetRectForEmptyBounds(rect: rect) }
        
        if let text = text,text.isEmptyStr {
            return insetRectForEmptyBounds(rect: rect)
        }else{
-            let topInset = (paddingYFloatLabel * 2) + lblFloatPlaceholder.bounds.size.height
-            let textY = (rect.height / 2.0) - (ceil(font!.lineHeight) / 2.0) - topInset
+            let topInset = paddingYFloatLabel + lblFloatPlaceholder.bounds.size.height + (paddingHeight / 2.0)
+            let textOriginalY = (rect.height - font!.lineHeight) / 2.0
+            let textY = textOriginalY - topInset
            return CGRect(x: x, y: -ceil(textY), width: rect.size.width, height: rect.size.height)
        }
    }
    
    @objc fileprivate func textFieldTextChanged(){
-        guard showError else { return }
+        guard hideErrorWhenEditing && showError else { return }
        showError = false
    }
    
@@ -268,15 +272,15 @@ public class DTTextField: UITextField {
        
        let textFieldIntrinsicContentSize = super.intrinsicContentSize
        
-        lblFloatPlaceholder.sizeToFit()
        lblError.sizeToFit()
        
        if showError {
+            lblFloatPlaceholder.sizeToFit()
            return CGSize(width: textFieldIntrinsicContentSize.width,
-                          height: textFieldIntrinsicContentSize.height + (paddingYFloatLabel * 3) + paddingYErrorLabel + lblFloatPlaceholder.bounds.size.height + lblError.bounds.size.height)
+                          height: textFieldIntrinsicContentSize.height + paddingYFloatLabel + paddingYErrorLabel + lblFloatPlaceholder.bounds.size.height + lblError.bounds.size.height + paddingHeight)
        }else{
            return CGSize(width: textFieldIntrinsicContentSize.width,
-                          height: textFieldIntrinsicContentSize.height + (paddingYFloatLabel * 3) + lblFloatPlaceholder.bounds.size.height)
+                          height: textFieldIntrinsicContentSize.height + paddingYFloatLabel + lblFloatPlaceholder.bounds.size.height + paddingHeight)
        }
    }
    
@@ -331,12 +335,18 @@ public class DTTextField: UITextField {
                                   height: bounds.height)
        }
        
+        let floatingLabelSize = lblFloatPlaceholder.sizeThatFits(lblFloatPlaceholder.superview!.bounds.size)
+        
+        lblFloatPlaceholder.frame = CGRect(x: x, y: lblFloatPlaceholder.frame.origin.y,
+                                           width: floatingLabelSize.width,
+                                           height: floatingLabelSize.height)
+        
        lblFloatPlaceholder.textColor = isFirstResponder ? floatPlaceholderActiveColor : floatPlaceholderColor
        
        if let enteredText = text,!enteredText.isEmptyStr{
-            showFloatingLabel()
+            showFloatingLabel(isFirstResponder)
        }else{
-            hideFlotingLabel()
+            hideFlotingLabel(isFirstResponder)
        }
    }
 }
@@ -1,3 +1,3 @@
-/DTTextField.xcworkspace/
 /Pods/
 *.lock
+/DTTextField.xcworkspace/
@@ -0,0 +1,579 @@
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@@ -4,7 +4,6 @@
        <adaptation id="fullscreen"/>
    </device>
    <dependencies>
-        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
@@ -108,6 +107,7 @@
                    </view>
                    <navigationItem key="navigationItem" id="W1x-bm-hbZ"/>
                    <connections>
+                        <outlet property="scrollView" destination="3qx-l3-jfU" id="Wim-19-5FL"/>
                        <outlet property="txtConfirmPassword" destination="zBn-BA-f2Y" id="kBp-NH-lSI"/>
                        <outlet property="txtEmail" destination="6gk-3f-Yz6" id="0vh-rG-4OR"/>
                        <outlet property="txtFirstName" destination="LZk-sC-XSt" id="gxg-Mj-Ljm"/>
@@ -11,6 +11,7 @@ import DTTextField

 class ViewController: UIViewController {

+    @IBOutlet weak var scrollView: UIScrollView!
    @IBOutlet weak var txtFirstName: DTTextField!
    @IBOutlet weak var txtLastName: DTTextField!
    @IBOutlet weak var txtEmail: DTTextField!
@@ -37,6 +38,19 @@ class ViewController: UIViewController {
        // Do any additional setup after loading the view, typically from a nib.
    }
    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(notification:)), name: .UIKeyboardWillShow, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(notification:)), name: .UIKeyboardWillHide, object: nil)
+    }
+    
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+        NotificationCenter.default.removeObserver(self, name: .UIKeyboardWillShow, object: nil)
+        NotificationCenter.default.removeObserver(self, name: .UIKeyboardWillHide, object: nil)
+    }
+    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
@@ -67,6 +81,14 @@ class ViewController: UIViewController {
 // MARK: User Define Methods
 extension ViewController{
    
+    func keyboardWillShow(notification:Notification) {
+        guard let keyboardHeight = (notification.userInfo?[UIKeyboardFrameBeginUserInfoKey] as? NSValue)?.cgRectValue else { return }
+        scrollView.contentInset = UIEdgeInsetsMake(0, 0, keyboardHeight.height, 0)
+    }
+    
+    func keyboardWillHide(notification:Notification) {
+        scrollView.contentInset = .zero
+    }
    
    func validateData() -> Bool {
        
@@ -1,7 +1,7 @@
 use_frameworks!

 target 'DTTextField_Example' do
-  pod 'DTTextField', :path => '../'
+  pod 'DTTextField'

  target 'DTTextField_Tests' do
    inherit! :search_paths
@@ -1,16 +1,27 @@
 # DTTextField

-![Version](https://img.shields.io/badge/Version-0.1.0-green.svg)
+![Version](https://img.shields.io/badge/Pod-V0.2.1-green.svg)
 ![License](https://img.shields.io/github/license/mashape/apistatus.svg)
-![Platform](https://img.shields.io/badge/Swift-3.0-orange.svg)
+![Platform](https://img.shields.io/badge/Language-Swift_3.0-orange.svg)
 ![Xcode](https://img.shields.io/badge/Xcode-8.0-blue.svg)

+![Demo](https://github.com/iDhaval/DTTextField/blob/master/DTTextField.gif?raw=true)
+
+## Introduction
+
+DTTextField is a UITextField library with floating placeholder and error label.
+
+Floating placeholder inspired from [JVFloatLabeledTextField](https://github.com/jverdi/JVFloatLabeledTextField) :+1:.
+
 ## Example

 To run the example project, clone the repo, and run `pod install` from the Example directory first.

 ## Requirements

+* Xcode 8.0
+* Swift 3.0
+
 ## Installation

 DTTextField is available through [CocoaPods](http://cocoapods.org). To install
@@ -20,10 +31,43 @@ it, simply add the following line to your Podfile:
 pod 'DTTextField'
 ```

+## Usage
+
+1. Open a storyboard or Xib file.  
+2. Drag and drop a `UITextField` to a ViewController.  
+3. In Identity Inspector, replace the class from `UITextField` to `DTTextField` and the module to `DTTextField`.  
+
+## Properties
+
+| Property name | Type | Remark |
+| ------------- |------------- | ----- |
+| errorMessage | String | Add your error message to this property|
+| errorFont | UIFont | Change font of error text |
+| showError | Bool | Use to toggle error message|
+| paddingYErrorLabel | CGFloat | Error text top padding |
+| floatPlaceholderColor | UIColor | To change float placeholder color |
+| floatPlaceholderActiveColor | UIColor | To change float placeholder color while TextField is active(First responder)|
+| floatPlaceholderFont | UIFont | Change font of float placeholder |
+| paddingYFloatLabel | CGFloat | float placeholder top padding |
+| placeholderColor | UIColor | change placeholder color |
+
+
+### Important Properties
+
+
+| Property name | Type | Remark |
+| ------------- |------------- | ----- |
+| dtLayer | CALayer | If you want to formate DTTextField than use dtLayer property instead of layer |
+| borderColor | UIColor | Change border color of DTTextField |
+| canShowBorder | Bool | Toggle border of DTTextField |
+
+## TODO
+* Add inbuilt validation
+
 ## Author

-Dhaval Thanki
+Dhaval Thanki :sunglasses:

 ## License

-DTTextField is available under the MIT license. See the LICENSE file for more info.
+```DTTextField``` is available under the MIT license. See the [LICENSE](https://github.com/iDhaval/DTTextField/blob/master/LICENSE) file for more info.
Author	SHA1	Message	Date
Dhaval Thanki	a4168519eb	- Code optimized	2017-04-07 16:42:33 +05:30
Dhaval Thanki	e52d3a5793	- Example updated with keyboard notificaiton	2017-04-07 16:38:28 +05:30
Dhaval Thanki	02fa27c6c9	- Project file updated	2017-04-04 12:36:22 +05:30
Dhaval Thanki	b6973166c6	- Deployment target changed	2017-04-04 12:31:02 +05:30
Dhaval Thanki	3b9e4b8408	- Update gitignore	2017-04-04 12:29:13 +05:30
iDhaval	06c95722ed	Update .gitignore	2017-04-04 12:22:52 +05:30
iDhaval	1a17b82199	Update .gitignore	2017-04-04 12:20:33 +05:30
Dhaval Thanki	b23514f710	- Podfile updated	2017-04-04 12:20:40 +05:30
iDhaval	129d5ebad0	Update README.md	2017-04-04 12:14:19 +05:30
Dhaval Thanki	b70402014d	- Demo gif Added	2017-04-04 11:00:09 +05:30
Dhaval Thanki	2966fea8f1	- Version updated	2017-04-03 19:25:59 +05:30