├── TextFieldValidator ├── error@2x.png ├── TextFieldValidator.h └── TextFieldValidator.m ├── TextFieldValidationDemo ├── TextFieldValidationDemoTests │ ├── en.lproj │ │ └── InfoPlist.strings │ ├── TextFieldValidationDemoTests-Info.plist │ └── TextFieldValidationDemoTests.m ├── TextFieldValidationDemo │ ├── Supporting Files │ │ ├── en.lproj │ │ │ └── InfoPlist.strings │ │ ├── TextFieldValidationDemo-Prefix.pch │ │ ├── TextFieldValidationDemo-Info.plist │ │ └── Base.lproj │ │ │ └── Main.storyboard │ ├── Images.xcassets │ │ ├── error.imageset │ │ │ ├── error.png │ │ │ ├── error@2x.png │ │ │ └── Contents.json │ │ ├── AppIcon.appiconset │ │ │ └── Contents.json │ │ └── LaunchImage.launchimage │ │ │ └── Contents.json │ └── Classes │ │ ├── FormViewController │ │ ├── ViewController.h │ │ └── ViewController.m │ │ ├── SecondViewController │ │ ├── SecondViewController.h │ │ └── SecondViewController.m │ │ ├── AppDelegate │ │ ├── AppDelegate.h │ │ └── AppDelegate.m │ │ ├── main.m │ │ └── TextFieldValidator │ │ ├── TextFieldValidator.h │ │ └── TextFieldValidator.m └── TextFieldValidationDemo.xcodeproj │ ├── xcuserdata │ └── dhawaldawar.xcuserdatad │ │ ├── xcdebugger │ │ └── Breakpoints_v2.xcbkptlist │ │ └── xcschemes │ │ ├── xcschememanagement.plist │ │ └── TextFieldValidationDemo.xcscheme │ ├── project.xcworkspace │ ├── contents.xcworkspacedata │ ├── xcuserdata │ │ └── dhawaldawar.xcuserdatad │ │ │ ├── UserInterfaceState.xcuserstate │ │ │ └── WorkspaceSettings.xcsettings │ └── xcshareddata │ │ └── TextFieldValidationDemo.xccheckout │ └── project.pbxproj ├── README.md └── LICENSE.md /TextFieldValidator/error@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhawaldawar/TextFieldValidator/HEAD/TextFieldValidator/error@2x.png -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemoTests/en.lproj/InfoPlist.strings: -------------------------------------------------------------------------------- 1 | /* Localized versions of Info.plist keys */ 2 | 3 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Supporting Files/en.lproj/InfoPlist.strings: -------------------------------------------------------------------------------- 1 | /* Localized versions of Info.plist keys */ 2 | 3 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/xcuserdata/dhawaldawar.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/error.imageset/error.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhawaldawar/TextFieldValidator/HEAD/TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/error.imageset/error.png -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/error.imageset/error@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhawaldawar/TextFieldValidator/HEAD/TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/error.imageset/error@2x.png -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | TextFieldValidator 2 | ================== 3 | A lightweight, customizable subclass of UITextField that supports multiple regex validations and provides a simple UI to provide validation feedback. 4 | 5 | See the original blog post for details: https://dhawaldawar.wordpress.com/2014/06/11/uitextfield-validation-ios/ 6 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace/xcuserdata/dhawaldawar.xcuserdatad/UserInterfaceState.xcuserstate: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dhawaldawar/TextFieldValidator/HEAD/TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace/xcuserdata/dhawaldawar.xcuserdatad/UserInterfaceState.xcuserstate -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/FormViewController/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController{ 12 | 13 | } 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/SecondViewController/SecondViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // SecondViewController.h 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface SecondViewController : UIViewController 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/AppDelegate/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | @end 16 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/error.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "scale" : "1x", 6 | "filename" : "error.png" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "scale" : "2x", 11 | "filename" : "error@2x.png" 12 | } 13 | ], 14 | "info" : { 15 | "version" : 1, 16 | "author" : "xcode" 17 | } 18 | } -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | #import "AppDelegate.h" 12 | 13 | int main(int argc, char * argv[]) 14 | { 15 | @autoreleasepool { 16 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace/xcuserdata/dhawaldawar.xcuserdatad/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | HasAskedToTakeAutomaticSnapshotBeforeSignificantChanges 6 | 7 | SnapshotAutomaticallyBeforeSignificantChanges 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Supporting Files/TextFieldValidationDemo-Prefix.pch: -------------------------------------------------------------------------------- 1 | // 2 | // Prefix header 3 | // 4 | // The contents of this file are implicitly included at the beginning of every source file. 5 | // 6 | 7 | #import 8 | 9 | #ifndef __IPHONE_5_0 10 | #warning "This project uses features only available in iOS SDK 5.0 and later." 11 | #endif 12 | 13 | #ifdef __OBJC__ 14 | #import 15 | #import 16 | #endif 17 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "40x40", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "60x60", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Images.xcassets/LaunchImage.launchimage/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "orientation" : "portrait", 5 | "idiom" : "iphone", 6 | "extent" : "full-screen", 7 | "minimum-system-version" : "7.0", 8 | "scale" : "2x" 9 | }, 10 | { 11 | "orientation" : "portrait", 12 | "idiom" : "iphone", 13 | "subtype" : "retina4", 14 | "extent" : "full-screen", 15 | "minimum-system-version" : "7.0", 16 | "scale" : "2x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/xcuserdata/dhawaldawar.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | TextFieldValidationDemo.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 6C26527F194080A300948579 16 | 17 | primary 18 | 19 | 20 | 6C2652A0194080A300948579 21 | 22 | primary 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemoTests/TextFieldValidationDemoTests-Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | ${EXECUTABLE_NAME} 9 | CFBundleIdentifier 10 | test.${PRODUCT_NAME:rfc1034identifier} 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundlePackageType 14 | BNDL 15 | CFBundleShortVersionString 16 | 1.0 17 | CFBundleSignature 18 | ???? 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemoTests/TextFieldValidationDemoTests.m: -------------------------------------------------------------------------------- 1 | // 2 | // TextFieldValidationDemoTests.m 3 | // TextFieldValidationDemoTests 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface TextFieldValidationDemoTests : XCTestCase 12 | 13 | @end 14 | 15 | @implementation TextFieldValidationDemoTests 16 | 17 | - (void)setUp 18 | { 19 | [super setUp]; 20 | // Put setup code here. This method is called before the invocation of each test method in the class. 21 | } 22 | 23 | - (void)tearDown 24 | { 25 | // Put teardown code here. This method is called after the invocation of each test method in the class. 26 | [super tearDown]; 27 | } 28 | 29 | - (void)testExample 30 | { 31 | XCTFail(@"No implementation for \"%s\"", __PRETTY_FUNCTION__); 32 | } 33 | 34 | @end 35 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | **The MIT License (MIT)** 2 | 3 | Copyright (c) 2014 *!!Dhawal Dawar!!* 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. 22 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Supporting Files/TextFieldValidationDemo-Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleDisplayName 8 | ${PRODUCT_NAME} 9 | CFBundleExecutable 10 | ${EXECUTABLE_NAME} 11 | CFBundleIdentifier 12 | test.${PRODUCT_NAME:rfc1034identifier} 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | ${PRODUCT_NAME} 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | 1.0 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | 1.0 25 | LSRequiresIPhoneOS 26 | 27 | UIMainStoryboardFile 28 | Main 29 | UIRequiredDeviceCapabilities 30 | 31 | armv7 32 | 33 | UISupportedInterfaceOrientations 34 | 35 | UIInterfaceOrientationPortrait 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/SecondViewController/SecondViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // SecondViewController.m 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import "SecondViewController.h" 10 | 11 | @interface SecondViewController () 12 | 13 | @end 14 | 15 | @implementation SecondViewController 16 | 17 | - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil 18 | { 19 | self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; 20 | if (self) { 21 | // Custom initialization 22 | } 23 | return self; 24 | } 25 | 26 | - (void)viewDidLoad 27 | { 28 | [super viewDidLoad]; 29 | // Do any additional setup after loading the view. 30 | } 31 | 32 | - (void)didReceiveMemoryWarning 33 | { 34 | [super didReceiveMemoryWarning]; 35 | // Dispose of any resources that can be recreated. 36 | } 37 | 38 | /* 39 | #pragma mark - Navigation 40 | 41 | // In a storyboard-based application, you will often want to do a little preparation before navigation 42 | - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender 43 | { 44 | // Get the new view controller using [segue destinationViewController]. 45 | // Pass the selected object to the new view controller. 46 | } 47 | */ 48 | 49 | @end 50 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace/xcshareddata/TextFieldValidationDemo.xccheckout: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDESourceControlProjectFavoriteDictionaryKey 6 | 7 | IDESourceControlProjectIdentifier 8 | 16F95ED0-8451-4514-A5FB-B71ED1FF2499 9 | IDESourceControlProjectName 10 | TextFieldValidationDemo 11 | IDESourceControlProjectOriginsDictionary 12 | 13 | D3169203-2ECA-471E-B061-7B1B06B5374B 14 | https://github.com/dhawaldawar/TextFieldValidator.git 15 | 16 | IDESourceControlProjectPath 17 | TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.xcworkspace 18 | IDESourceControlProjectRelativeInstallPathDictionary 19 | 20 | D3169203-2ECA-471E-B061-7B1B06B5374B 21 | ../../.. 22 | 23 | IDESourceControlProjectURL 24 | https://github.com/dhawaldawar/TextFieldValidator.git 25 | IDESourceControlProjectVersion 26 | 110 27 | IDESourceControlProjectWCCIdentifier 28 | D3169203-2ECA-471E-B061-7B1B06B5374B 29 | IDESourceControlProjectWCConfigurations 30 | 31 | 32 | IDESourceControlRepositoryExtensionIdentifierKey 33 | public.vcs.git 34 | IDESourceControlWCCIdentifierKey 35 | D3169203-2ECA-471E-B061-7B1B06B5374B 36 | IDESourceControlWCCName 37 | TextFieldValidator 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/AppDelegate/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @implementation AppDelegate 12 | 13 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 14 | { 15 | // Override point for customization after application launch. 16 | return YES; 17 | } 18 | 19 | - (void)applicationWillResignActive:(UIApplication *)application 20 | { 21 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 22 | // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 23 | } 24 | 25 | - (void)applicationDidEnterBackground:(UIApplication *)application 26 | { 27 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 28 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 29 | } 30 | 31 | - (void)applicationWillEnterForeground:(UIApplication *)application 32 | { 33 | // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | - (void)applicationDidBecomeActive:(UIApplication *)application 37 | { 38 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 39 | } 40 | 41 | - (void)applicationWillTerminate:(UIApplication *)application 42 | { 43 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 44 | } 45 | 46 | @end 47 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/FormViewController/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // TextFieldValidationDemo 4 | // 5 | // Created by Dhawal.Dawar on 05/06/14. 6 | // Copyright (c) 2014 Dhawal.Dawar. All rights reserved. 7 | // 8 | 9 | #import "ViewController.h" 10 | #import "TextFieldValidator.h" 11 | #import "SecondViewController.h" 12 | 13 | #define REGEX_USER_NAME_LIMIT @"^.{3,10}$" 14 | #define REGEX_USER_NAME @"[A-Za-z0-9]{3,10}" 15 | #define REGEX_EMAIL @"[A-Z0-9a-z._%+-]{3,}+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}" 16 | #define REGEX_PASSWORD_LIMIT @"^.{6,20}$" 17 | #define REGEX_PASSWORD @"[A-Za-z0-9]{6,20}" 18 | #define REGEX_PHONE_DEFAULT @"[0-9]{3}\\-[0-9]{3}\\-[0-9]{4}" 19 | 20 | @interface ViewController (){ 21 | IBOutlet TextFieldValidator *txtUserName; 22 | IBOutlet TextFieldValidator *txtEmail; 23 | IBOutlet TextFieldValidator *txtPassword; 24 | IBOutlet TextFieldValidator *txtConfirmPass; 25 | IBOutlet TextFieldValidator *txtPhone; 26 | TextFieldValidator *txtDemo; 27 | 28 | SecondViewController *secondViewController; 29 | 30 | IBOutlet UIView *viewContainer; 31 | IBOutlet UIScrollView *scrlView; 32 | } 33 | - (IBAction)btnSubmit:(id)sender; 34 | 35 | @end 36 | 37 | @implementation ViewController 38 | 39 | - (void)viewDidLoad 40 | { 41 | [super viewDidLoad]; 42 | // Do any additional setup after loading the view, typically from a nib. 43 | [self setupAlerts]; 44 | 45 | txtDemo=[[TextFieldValidator alloc] initWithFrame:CGRectMake(20, 200, 280, 30)]; 46 | txtDemo.borderStyle=UITextBorderStyleRoundedRect; 47 | txtDemo.placeholder=@"Programmatically created - Email"; 48 | txtDemo.delegate=self; 49 | txtDemo.presentInView=self.view; 50 | [viewContainer addSubview:txtDemo]; 51 | [txtDemo addRegx:REGEX_EMAIL withMsg:@"Enter valid email."]; 52 | } 53 | 54 | -(void)setupAlerts{ 55 | [txtUserName addRegx:REGEX_USER_NAME_LIMIT withMsg:@"User name charaters limit should be come between 3-10"]; 56 | [txtUserName addRegx:REGEX_USER_NAME withMsg:@"Only alpha numeric characters are allowed."]; 57 | txtUserName.validateOnResign=NO; 58 | 59 | [txtEmail addRegx:REGEX_EMAIL withMsg:@"Enter valid email."]; 60 | 61 | [txtPassword addRegx:REGEX_PASSWORD_LIMIT withMsg:@"Password characters limit should be come between 6-20"]; 62 | [txtPassword addRegx:REGEX_PASSWORD withMsg:@"Password must contain alpha numeric characters."]; 63 | 64 | [txtConfirmPass addConfirmValidationTo:txtPassword withMsg:@"Confirm password didn't match."]; 65 | 66 | [txtPhone addRegx:REGEX_PHONE_DEFAULT withMsg:@"Phone number must be in proper format (eg. ###-###-####)"]; 67 | txtPhone.isMandatory=NO; 68 | } 69 | 70 | - (void)didReceiveMemoryWarning 71 | { 72 | [super didReceiveMemoryWarning]; 73 | // Dispose of any resources that can be recreated. 74 | } 75 | 76 | - (IBAction)btnSubmit:(id)sender { 77 | if([txtUserName validate] & [txtEmail validate] & [txtPassword validate] & [txtConfirmPass validate] & [txtPhone validate] & [txtDemo validate]){ 78 | secondViewController=[[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"SecondViewController"]; 79 | [self.navigationController pushViewController:secondViewController animated:YES]; 80 | } 81 | } 82 | 83 | #pragma mark - UITextFieldDelegate 84 | - (void)textFieldDidBeginEditing:(UITextField *)textField{ 85 | if(txtDemo==textField){ 86 | [scrlView setContentOffset:CGPointMake(0, 50) animated:YES]; 87 | } 88 | } 89 | 90 | - (BOOL)textFieldShouldReturn:(UITextField *)textField{ 91 | [textField resignFirstResponder]; 92 | return YES; 93 | } 94 | 95 | @end 96 | -------------------------------------------------------------------------------- /TextFieldValidator/TextFieldValidator.h: -------------------------------------------------------------------------------- 1 | // 2 | // TextFieldValidator.h 3 | // Textfield Validation Handler 4 | // 5 | // Created by Dhawal Dawar on 10/06/2014. 6 | // Copyright (c) 2014 Dhawal Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | /** 12 | Image name for showing error on textfield. 13 | */ 14 | #define IconImageName @"error.png" 15 | 16 | /** 17 | Background color of message popup. 18 | */ 19 | #define ColorPopUpBg [UIColor colorWithRed:0.702 green:0.000 blue:0.000 alpha:1.000] 20 | 21 | /** 22 | Font color of the message. 23 | */ 24 | #define ColorFont [UIColor whiteColor] 25 | 26 | /** 27 | Font size of the message. 28 | */ 29 | #define FontSize 15 30 | 31 | /** 32 | Font style name of the message. 33 | */ 34 | #define FontName @"Helvetica-Bold" 35 | 36 | /** 37 | Padding in pixels for the popup. 38 | */ 39 | #define PaddingInErrorPopUp 5 40 | 41 | /** 42 | Default message for validating length, you can also assign message separately using method 'updateLengthValidationMsg:' for textfields. 43 | */ 44 | #define MsgValidateLength @"This field cannot be blank" 45 | 46 | 47 | /** 48 | TextFieldValidator is the inherited class of UITextField for performing validation effectively. This class will handle all kind of validations with just few lines of code using regex and it is fully customisable. You can easily port this functionality in your existing code as well, you just need to change class name from UITextField to TextFieldValidator and apply regex for performing validation. 49 | */ 50 | NS_CLASS_AVAILABLE_IOS(6_0) @interface TextFieldValidator : UITextField{ 51 | 52 | } 53 | 54 | @property (nonatomic,assign) BOOL isMandatory; /**< Default is YES*/ 55 | 56 | @property (nonatomic,retain) IBOutlet UIView *presentInView; /**< Assign view on which you want to show popup and it would be good if you provide controller's view*/ 57 | 58 | @property (nonatomic,retain) UIColor *popUpColor; /**< Assign popup background color, you can also assign default popup color from macro "ColorPopUpBg" at the top*/ 59 | 60 | @property (nonatomic,assign) BOOL validateOnCharacterChanged; /**< Default is YES, Use it whether you want to validate text on character change or not.*/ 61 | 62 | @property (nonatomic,assign) BOOL validateOnResign; /**< Default is YES, Use it whether you want to validate text on resign or not.*/ 63 | 64 | /** 65 | Use to add regex for validating textfield text, you need to specify all your regex in queue that you want to validate and their messages respectively that will show when any regex validation will fail. 66 | @param strRegx Regex string 67 | @param msg Message string to be displayed when given regex will fail. 68 | */ 69 | -(void)addRegx:(NSString *)strRegx withMsg:(NSString *)msg; 70 | 71 | /** 72 | By deafult the message will be shown which is given in the macro "MsgValidateLength", but you can change message for each textfield as well. 73 | @param msg Message string to be displayed when length validation will fail. 74 | */ 75 | -(void)updateLengthValidationMsg:(NSString *)msg; 76 | 77 | /** 78 | Use to add validation for validating confirm password 79 | @param txtPassword Hold reference of password textfield from which they will check text equality. 80 | */ 81 | -(void)addConfirmValidationTo:(TextFieldValidator *)txtPassword withMsg:(NSString *)msg; 82 | 83 | /** 84 | Use to perform validation 85 | @return Bool It will return YES if all provided regex validation will pass else return NO 86 | 87 | Eg: If you want to apply validation on all fields simultaneously then refer below code which will be make it easy to handle validations 88 | if([txtField1 validate] & [txtField2 validate]){ 89 | // Success operation 90 | } 91 | */ 92 | -(BOOL)validate; 93 | 94 | /** 95 | Use to dismiss error popup. 96 | */ 97 | -(void)dismissPopup; 98 | 99 | @end -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/TextFieldValidator/TextFieldValidator.h: -------------------------------------------------------------------------------- 1 | // 2 | // TextFieldValidator.h 3 | // Textfield Validation Handler 4 | // 5 | // Created by Dhawal Dawar on 10/06/2014. 6 | // Copyright (c) 2014 Dhawal Dawar. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | /** 12 | Image name for showing error on textfield. 13 | */ 14 | #define IconImageName @"error.png" 15 | 16 | /** 17 | Background color of message popup. 18 | */ 19 | #define ColorPopUpBg [UIColor colorWithRed:0.702 green:0.000 blue:0.000 alpha:1.000] 20 | 21 | /** 22 | Font color of the message. 23 | */ 24 | #define ColorFont [UIColor whiteColor] 25 | 26 | /** 27 | Font size of the message. 28 | */ 29 | #define FontSize 15 30 | 31 | /** 32 | Font style name of the message. 33 | */ 34 | #define FontName @"Helvetica-Bold" 35 | 36 | /** 37 | Padding in pixels for the popup. 38 | */ 39 | #define PaddingInErrorPopUp 5 40 | 41 | /** 42 | Default message for validating length, you can also assign message separately using method 'updateLengthValidationMsg:' for textfields. 43 | */ 44 | #define MsgValidateLength @"This field cannot be blank" 45 | 46 | 47 | /** 48 | TextFieldValidator is the inherited class of UITextField for performing validation effectively. This class will handle all kind of validations with just few lines of code using regex and it is fully customisable. You can easily port this functionality in your existing code as well, you just need to change class name from UITextField to TextFieldValidator and apply regex for performing validation. 49 | */ 50 | NS_CLASS_AVAILABLE_IOS(6_0) @interface TextFieldValidator : UITextField{ 51 | 52 | } 53 | 54 | @property (nonatomic,assign) BOOL isMandatory; /**< Default is YES*/ 55 | 56 | @property (nonatomic,retain) IBOutlet UIView *presentInView; /**< Assign view on which you want to show popup and it would be good if you provide controller's view*/ 57 | 58 | @property (nonatomic,retain) UIColor *popUpColor; /**< Assign popup background color, you can also assign default popup color from macro "ColorPopUpBg" at the top*/ 59 | 60 | @property (nonatomic,assign) BOOL validateOnCharacterChanged; /**< Default is YES, Use it whether you want to validate text on character change or not.*/ 61 | 62 | @property (nonatomic,assign) BOOL validateOnResign; /**< Default is YES, Use it whether you want to validate text on resign or not.*/ 63 | 64 | /** 65 | Use to add regex for validating textfield text, you need to specify all your regex in queue that you want to validate and their messages respectively that will show when any regex validation will fail. 66 | @param strRegx Regex string 67 | @param msg Message string to be displayed when given regex will fail. 68 | */ 69 | -(void)addRegx:(NSString *)strRegx withMsg:(NSString *)msg; 70 | 71 | /** 72 | By deafult the message will be shown which is given in the macro "MsgValidateLength", but you can change message for each textfield as well. 73 | @param msg Message string to be displayed when length validation will fail. 74 | */ 75 | -(void)updateLengthValidationMsg:(NSString *)msg; 76 | 77 | /** 78 | Use to add validation for validating confirm password 79 | @param txtPassword Hold reference of password textfield from which they will check text equality. 80 | */ 81 | -(void)addConfirmValidationTo:(TextFieldValidator *)txtPassword withMsg:(NSString *)msg; 82 | 83 | /** 84 | Use to perform validation 85 | @return Bool It will return YES if all provided regex validation will pass else return NO 86 | 87 | Eg: If you want to apply validation on all fields simultaneously then refer below code which will be make it easy to handle validations 88 | if([txtField1 validate] & [txtField2 validate]){ 89 | // Success operation 90 | } 91 | */ 92 | -(BOOL)validate; 93 | 94 | /** 95 | Use to dismiss error popup. 96 | */ 97 | -(void)dismissPopup; 98 | 99 | @end -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/xcuserdata/dhawaldawar.xcuserdatad/xcschemes/TextFieldValidationDemo.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 49 | 50 | 51 | 52 | 61 | 62 | 68 | 69 | 70 | 71 | 72 | 73 | 79 | 80 | 86 | 87 | 88 | 89 | 91 | 92 | 95 | 96 | 97 | -------------------------------------------------------------------------------- /TextFieldValidator/TextFieldValidator.m: -------------------------------------------------------------------------------- 1 | // 2 | // TextFieldValidator.m 3 | // Textfield Error Handle 4 | // 5 | // Created by Dhawal Dawar on 22/11/12. 6 | // Copyright (c) 2012 Dhawal Dawar. All rights reserved. 7 | // 8 | 9 | #import "TextFieldValidator.h" 10 | 11 | @interface IQPopUp : UIView 12 | 13 | @property (nonatomic,assign) CGRect showOnRect; 14 | @property (nonatomic,assign) int popWidth; 15 | @property (nonatomic,assign) CGRect fieldFrame; 16 | @property (nonatomic,copy) NSString *strMsg; 17 | @property (nonatomic,retain) UIColor *popUpColor; 18 | 19 | @end 20 | 21 | @implementation IQPopUp 22 | @synthesize showOnRect,popWidth,fieldFrame,popUpColor; 23 | 24 | -(void)drawRect:(CGRect)rect{ 25 | const CGFloat *color=CGColorGetComponents(popUpColor.CGColor); 26 | 27 | UIGraphicsBeginImageContext(CGSizeMake(30, 20)); 28 | CGContextRef ctx = UIGraphicsGetCurrentContext(); 29 | CGContextSetRGBFillColor(ctx, color[0], color[1], color[2], 1); 30 | CGContextSetShadowWithColor(ctx, CGSizeMake(0, 0), 7.0, [UIColor blackColor].CGColor); 31 | CGPoint points[3] = { CGPointMake(15, 5), CGPointMake(25, 25), 32 | CGPointMake(5,25)}; 33 | CGContextAddLines(ctx, points, 3); 34 | CGContextClosePath(ctx); 35 | CGContextFillPath(ctx); 36 | UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); 37 | UIGraphicsEndImageContext(); 38 | 39 | CGRect imgframe=CGRectMake((showOnRect.origin.x+((showOnRect.size.width-30)/2)), ((showOnRect.size.height/2)+showOnRect.origin.y), 30, 13); 40 | 41 | UIImageView *img=[[UIImageView alloc] initWithImage:viewImage highlightedImage:nil]; 42 | [self addSubview:img]; 43 | img.translatesAutoresizingMaskIntoConstraints=NO; 44 | NSDictionary *dict=NSDictionaryOfVariableBindings(img); 45 | [img.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[img(%f)]",imgframe.origin.x,imgframe.size.width] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 46 | [img.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[img(%f)]",imgframe.origin.y,imgframe.size.height] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 47 | 48 | UIFont *font=[UIFont fontWithName:FontName size:FontSize]; 49 | CGSize size=[self.strMsg boundingRectWithSize:CGSizeMake(fieldFrame.size.width-(PaddingInErrorPopUp*2), 1000) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:font} context:nil].size; 50 | size=CGSizeMake(ceilf(size.width), ceilf(size.height)); 51 | 52 | UIView *view=[[UIView alloc] initWithFrame:CGRectZero]; 53 | [self insertSubview:view belowSubview:img]; 54 | view.backgroundColor=self.popUpColor; 55 | view.layer.cornerRadius=5.0; 56 | view.layer.shadowColor=[[UIColor blackColor] CGColor]; 57 | view.layer.shadowRadius=5.0; 58 | view.layer.shadowOpacity=1.0; 59 | view.layer.shadowOffset=CGSizeMake(0, 0); 60 | view.translatesAutoresizingMaskIntoConstraints=NO; 61 | dict=NSDictionaryOfVariableBindings(view); 62 | [view.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[view(%f)]",fieldFrame.origin.x+(fieldFrame.size.width-(size.width+(PaddingInErrorPopUp*2))),size.width+(PaddingInErrorPopUp*2)] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 63 | [view.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[view(%f)]",imgframe.origin.y+imgframe.size.height,size.height+(PaddingInErrorPopUp*2)] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 64 | 65 | UILabel *lbl=[[UILabel alloc] initWithFrame:CGRectZero]; 66 | lbl.font=font; 67 | lbl.numberOfLines=0; 68 | lbl.backgroundColor=[UIColor clearColor]; 69 | lbl.text=self.strMsg; 70 | lbl.textColor=ColorFont; 71 | [view addSubview:lbl]; 72 | 73 | lbl.translatesAutoresizingMaskIntoConstraints=NO; 74 | dict=NSDictionaryOfVariableBindings(lbl); 75 | [lbl.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[lbl(%f)]",(float)PaddingInErrorPopUp,size.width] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 76 | [lbl.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[lbl(%f)]",(float)PaddingInErrorPopUp,size.height] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 77 | } 78 | 79 | - (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event { 80 | [self removeFromSuperview]; 81 | return NO; 82 | } 83 | 84 | @end 85 | 86 | @interface TextFieldValidatorSupport : NSObject 87 | 88 | @property (nonatomic,retain) id delegate; 89 | @property (nonatomic,assign) BOOL validateOnCharacterChanged; 90 | @property (nonatomic,assign) BOOL validateOnResign; 91 | @property (nonatomic,unsafe_unretained) IQPopUp *popUp; 92 | @end 93 | 94 | @implementation TextFieldValidatorSupport 95 | @synthesize delegate,validateOnCharacterChanged,popUp,validateOnResign; 96 | 97 | #pragma mark - UITextFieldDelegate 98 | - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField{ 99 | if([delegate respondsToSelector:@selector(textFieldShouldBeginEditing:)]) 100 | return [delegate textFieldShouldBeginEditing:textField]; 101 | return YES; 102 | } 103 | 104 | - (void)textFieldDidBeginEditing:(UITextField *)textField{ 105 | if([delegate respondsToSelector:@selector(textFieldDidBeginEditing:)]) 106 | [delegate textFieldDidBeginEditing:textField]; 107 | } 108 | 109 | - (BOOL)textFieldShouldEndEditing:(UITextField *)textField{ 110 | if([delegate respondsToSelector:@selector(textFieldShouldEndEditing:)]) 111 | return [delegate textFieldShouldEndEditing:textField]; 112 | return YES; 113 | } 114 | 115 | - (void)textFieldDidEndEditing:(UITextField *)textField{ 116 | if([delegate respondsToSelector:@selector(textFieldDidEndEditing:)]) 117 | [delegate textFieldDidEndEditing:textField]; 118 | [popUp removeFromSuperview]; 119 | if(validateOnResign) 120 | [(TextFieldValidator *)textField validate]; 121 | } 122 | 123 | - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{ 124 | [(TextFieldValidator *)textField dismissPopup]; 125 | if(validateOnCharacterChanged) 126 | [(TextFieldValidator *)textField performSelector:@selector(validate) withObject:nil afterDelay:0.1]; 127 | else 128 | [(TextFieldValidator *)textField setRightView:nil]; 129 | if([delegate respondsToSelector:@selector(textField:shouldChangeCharactersInRange:replacementString:)]) 130 | return [delegate textField:textField shouldChangeCharactersInRange:range replacementString:string]; 131 | return YES; 132 | } 133 | 134 | - (BOOL)textFieldShouldClear:(UITextField *)textField{ 135 | if([delegate respondsToSelector:@selector(textFieldShouldClear:)]) 136 | return [delegate textFieldShouldClear:textField]; 137 | return YES; 138 | } 139 | 140 | - (BOOL)textFieldShouldReturn:(UITextField *)textField{ 141 | if([delegate respondsToSelector:@selector(textFieldShouldReturn:)]) 142 | return [delegate textFieldShouldReturn:textField]; 143 | return YES; 144 | } 145 | 146 | -(void)setDelegate:(id)dele{ 147 | delegate=dele; 148 | } 149 | 150 | @end 151 | 152 | 153 | @interface TextFieldValidator(){ 154 | NSString *strLengthValidationMsg; 155 | TextFieldValidatorSupport *supportObj; 156 | NSString *strMsg; 157 | NSMutableArray *arrRegx; 158 | IQPopUp *popUp; 159 | UIColor *popUpColor; 160 | } 161 | 162 | -(void)tapOnError; 163 | 164 | @end 165 | 166 | @implementation TextFieldValidator 167 | @synthesize presentInView,validateOnCharacterChanged,popUpColor,isMandatory,validateOnResign; 168 | 169 | #pragma mark - Default Methods of UIView 170 | - (id)initWithFrame:(CGRect)frame{ 171 | self = [super initWithFrame:frame]; 172 | if (self) { 173 | 174 | } 175 | return self; 176 | } 177 | 178 | -(id)initWithCoder:(NSCoder *)aDecoder{ 179 | self=[super initWithCoder:aDecoder]; 180 | arrRegx=[[NSMutableArray alloc] init]; 181 | validateOnCharacterChanged=YES; 182 | isMandatory=YES; 183 | validateOnResign=YES; 184 | popUpColor=ColorPopUpBg; 185 | strLengthValidationMsg=[MsgValidateLength copy]; 186 | supportObj=[[TextFieldValidatorSupport alloc] init]; 187 | supportObj.validateOnCharacterChanged=validateOnCharacterChanged; 188 | supportObj.validateOnResign=validateOnResign; 189 | NSNotificationCenter *notify=[NSNotificationCenter defaultCenter]; 190 | [notify addObserver:self selector:@selector(didHideKeyboard) name:UIKeyboardWillHideNotification object:nil]; 191 | return self; 192 | } 193 | 194 | -(void)setDelegate:(id)deleg{ 195 | supportObj.delegate=deleg; 196 | super.delegate=supportObj; 197 | } 198 | 199 | -(void)setValidateOnCharacterChanged:(BOOL)validate{ 200 | supportObj.validateOnCharacterChanged=validate; 201 | validateOnCharacterChanged=validate; 202 | } 203 | 204 | -(void)setValidateOnResign:(BOOL)validate{ 205 | supportObj.validateOnResign=validate; 206 | validateOnResign=validate; 207 | } 208 | 209 | #pragma mark - Public methods 210 | -(void)addRegx:(NSString *)strRegx withMsg:(NSString *)msg{ 211 | NSDictionary *dic=[[NSDictionary alloc] initWithObjectsAndKeys:strRegx,@"regx",msg,@"msg", nil]; 212 | [arrRegx addObject:dic]; 213 | } 214 | 215 | -(void)updateLengthValidationMsg:(NSString *)msg{ 216 | strLengthValidationMsg=[msg copy]; 217 | } 218 | 219 | -(void)addConfirmValidationTo:(TextFieldValidator *)txtConfirm withMsg:(NSString *)msg{ 220 | NSDictionary *dic=[[NSDictionary alloc] initWithObjectsAndKeys:txtConfirm,@"confirm",msg,@"msg", nil]; 221 | [arrRegx addObject:dic]; 222 | } 223 | 224 | -(BOOL)validate{ 225 | if(isMandatory){ 226 | if([self.text length]==0){ 227 | [self showErrorIconForMsg:strLengthValidationMsg]; 228 | return NO; 229 | } 230 | } 231 | for (int i=0; i<[arrRegx count]; i++) { 232 | NSDictionary *dic=[arrRegx objectAtIndex:i]; 233 | if([dic objectForKey:@"confirm"]){ 234 | TextFieldValidator *txtConfirm=[dic objectForKey:@"confirm"]; 235 | if(![txtConfirm.text isEqualToString:self.text]){ 236 | [self showErrorIconForMsg:[dic objectForKey:@"msg"]]; 237 | return NO; 238 | } 239 | }else if(![[dic objectForKey:@"regx"] isEqualToString:@""] && [self.text length]!=0 && ![self validateString:self.text withRegex:[dic objectForKey:@"regx"]]){ 240 | [self showErrorIconForMsg:[dic objectForKey:@"msg"]]; 241 | return NO; 242 | } 243 | } 244 | self.rightView=nil; 245 | return YES; 246 | } 247 | 248 | -(void)dismissPopup{ 249 | [popUp removeFromSuperview]; 250 | } 251 | 252 | #pragma mark - Internal Methods 253 | 254 | -(void)didHideKeyboard{ 255 | [popUp removeFromSuperview]; 256 | } 257 | 258 | -(void)tapOnError{ 259 | [self showErrorWithMsg:strMsg]; 260 | } 261 | 262 | - (BOOL)validateString:(NSString*)stringToSearch withRegex:(NSString*)regexString { 263 | NSPredicate *regex = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regexString]; 264 | return [regex evaluateWithObject:stringToSearch]; 265 | } 266 | 267 | -(void)showErrorIconForMsg:(NSString *)msg{ 268 | UIButton *btnError=[[UIButton alloc] initWithFrame:CGRectMake(0, 0, 25, 25)]; 269 | [btnError addTarget:self action:@selector(tapOnError) forControlEvents:UIControlEventTouchUpInside]; 270 | [btnError setBackgroundImage:[UIImage imageNamed:IconImageName] forState:UIControlStateNormal]; 271 | self.rightView=btnError; 272 | self.rightViewMode=UITextFieldViewModeAlways; 273 | strMsg=[msg copy]; 274 | } 275 | 276 | -(void)showErrorWithMsg:(NSString *)msg{ 277 | popUp=[[IQPopUp alloc] initWithFrame:CGRectZero]; 278 | popUp.strMsg=msg; 279 | popUp.popUpColor=popUpColor; 280 | popUp.showOnRect=[self convertRect:self.rightView.frame toView:presentInView]; 281 | popUp.fieldFrame=[self.superview convertRect:self.frame toView:presentInView]; 282 | popUp.backgroundColor=[UIColor clearColor]; 283 | [presentInView addSubview:popUp]; 284 | 285 | popUp.translatesAutoresizingMaskIntoConstraints=NO; 286 | NSDictionary *dict=NSDictionaryOfVariableBindings(popUp); 287 | [popUp.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-0-[popUp]-0-|" options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 288 | [popUp.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[popUp]-0-|" options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 289 | supportObj.popUp=popUp; 290 | } 291 | 292 | @end -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Classes/TextFieldValidator/TextFieldValidator.m: -------------------------------------------------------------------------------- 1 | // 2 | // TextFieldValidator.m 3 | // Textfield Error Handle 4 | // 5 | // Created by Dhawal Dawar on 22/11/12. 6 | // Copyright (c) 2012 Dhawal Dawar. All rights reserved. 7 | // 8 | 9 | #import "TextFieldValidator.h" 10 | 11 | @interface IQPopUp : UIView 12 | 13 | @property (nonatomic,assign) CGRect showOnRect; 14 | @property (nonatomic,assign) int popWidth; 15 | @property (nonatomic,assign) CGRect fieldFrame; 16 | @property (nonatomic,copy) NSString *strMsg; 17 | @property (nonatomic,retain) UIColor *popUpColor; 18 | 19 | @end 20 | 21 | @implementation IQPopUp 22 | @synthesize showOnRect,popWidth,fieldFrame,popUpColor; 23 | 24 | -(void)drawRect:(CGRect)rect{ 25 | const CGFloat *color=CGColorGetComponents(popUpColor.CGColor); 26 | 27 | UIGraphicsBeginImageContext(CGSizeMake(30, 20)); 28 | CGContextRef ctx = UIGraphicsGetCurrentContext(); 29 | CGContextSetRGBFillColor(ctx, color[0], color[1], color[2], 1); 30 | CGContextSetShadowWithColor(ctx, CGSizeMake(0, 0), 7.0, [UIColor blackColor].CGColor); 31 | CGPoint points[3] = { CGPointMake(15, 5), CGPointMake(25, 25), 32 | CGPointMake(5,25)}; 33 | CGContextAddLines(ctx, points, 3); 34 | CGContextClosePath(ctx); 35 | CGContextFillPath(ctx); 36 | UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); 37 | UIGraphicsEndImageContext(); 38 | 39 | CGRect imgframe=CGRectMake((showOnRect.origin.x+((showOnRect.size.width-30)/2)), ((showOnRect.size.height/2)+showOnRect.origin.y), 30, 13); 40 | 41 | UIImageView *img=[[UIImageView alloc] initWithImage:viewImage highlightedImage:nil]; 42 | [self addSubview:img]; 43 | img.translatesAutoresizingMaskIntoConstraints=NO; 44 | NSDictionary *dict=NSDictionaryOfVariableBindings(img); 45 | [img.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[img(%f)]",imgframe.origin.x,imgframe.size.width] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 46 | [img.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[img(%f)]",imgframe.origin.y,imgframe.size.height] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 47 | 48 | UIFont *font=[UIFont fontWithName:FontName size:FontSize]; 49 | CGSize size=[self.strMsg boundingRectWithSize:CGSizeMake(fieldFrame.size.width-(PaddingInErrorPopUp*2), 1000) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:font} context:nil].size; 50 | size=CGSizeMake(ceilf(size.width), ceilf(size.height)); 51 | 52 | UIView *view=[[UIView alloc] initWithFrame:CGRectZero]; 53 | [self insertSubview:view belowSubview:img]; 54 | view.backgroundColor=self.popUpColor; 55 | view.layer.cornerRadius=5.0; 56 | view.layer.shadowColor=[[UIColor blackColor] CGColor]; 57 | view.layer.shadowRadius=5.0; 58 | view.layer.shadowOpacity=1.0; 59 | view.layer.shadowOffset=CGSizeMake(0, 0); 60 | view.translatesAutoresizingMaskIntoConstraints=NO; 61 | dict=NSDictionaryOfVariableBindings(view); 62 | [view.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[view(%f)]",fieldFrame.origin.x+(fieldFrame.size.width-(size.width+(PaddingInErrorPopUp*2))),size.width+(PaddingInErrorPopUp*2)] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 63 | [view.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[view(%f)]",imgframe.origin.y+imgframe.size.height,size.height+(PaddingInErrorPopUp*2)] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 64 | 65 | UILabel *lbl=[[UILabel alloc] initWithFrame:CGRectZero]; 66 | lbl.font=font; 67 | lbl.numberOfLines=0; 68 | lbl.backgroundColor=[UIColor clearColor]; 69 | lbl.text=self.strMsg; 70 | lbl.textColor=ColorFont; 71 | [view addSubview:lbl]; 72 | 73 | lbl.translatesAutoresizingMaskIntoConstraints=NO; 74 | dict=NSDictionaryOfVariableBindings(lbl); 75 | [lbl.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"H:|-%f-[lbl(%f)]",(float)PaddingInErrorPopUp,size.width] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 76 | [lbl.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:[NSString stringWithFormat:@"V:|-%f-[lbl(%f)]",(float)PaddingInErrorPopUp,size.height] options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 77 | } 78 | 79 | - (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event { 80 | [self removeFromSuperview]; 81 | return NO; 82 | } 83 | 84 | @end 85 | 86 | @interface TextFieldValidatorSupport : NSObject 87 | 88 | @property (nonatomic,retain) id delegate; 89 | @property (nonatomic,assign) BOOL validateOnCharacterChanged; 90 | @property (nonatomic,assign) BOOL validateOnResign; 91 | @property (nonatomic,unsafe_unretained) IQPopUp *popUp; 92 | @end 93 | 94 | @implementation TextFieldValidatorSupport 95 | @synthesize delegate,validateOnCharacterChanged,popUp,validateOnResign; 96 | 97 | #pragma mark - UITextFieldDelegate 98 | - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField{ 99 | if([delegate respondsToSelector:@selector(textFieldShouldBeginEditing:)]) 100 | return [delegate textFieldShouldBeginEditing:textField]; 101 | return YES; 102 | } 103 | 104 | - (void)textFieldDidBeginEditing:(UITextField *)textField{ 105 | if([delegate respondsToSelector:@selector(textFieldDidBeginEditing:)]) 106 | [delegate textFieldDidBeginEditing:textField]; 107 | } 108 | 109 | - (BOOL)textFieldShouldEndEditing:(UITextField *)textField{ 110 | if([delegate respondsToSelector:@selector(textFieldShouldEndEditing:)]) 111 | return [delegate textFieldShouldEndEditing:textField]; 112 | return YES; 113 | } 114 | 115 | - (void)textFieldDidEndEditing:(UITextField *)textField{ 116 | if([delegate respondsToSelector:@selector(textFieldDidEndEditing:)]) 117 | [delegate textFieldDidEndEditing:textField]; 118 | [popUp removeFromSuperview]; 119 | if(validateOnResign) 120 | [(TextFieldValidator *)textField validate]; 121 | } 122 | 123 | - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{ 124 | [(TextFieldValidator *)textField dismissPopup]; 125 | if(validateOnCharacterChanged) 126 | [(TextFieldValidator *)textField performSelector:@selector(validate) withObject:nil afterDelay:0.1]; 127 | else 128 | [(TextFieldValidator *)textField setRightView:nil]; 129 | if([delegate respondsToSelector:@selector(textField:shouldChangeCharactersInRange:replacementString:)]) 130 | return [delegate textField:textField shouldChangeCharactersInRange:range replacementString:string]; 131 | return YES; 132 | } 133 | 134 | - (BOOL)textFieldShouldClear:(UITextField *)textField{ 135 | if([delegate respondsToSelector:@selector(textFieldShouldClear:)]) 136 | return [delegate textFieldShouldClear:textField]; 137 | return YES; 138 | } 139 | 140 | - (BOOL)textFieldShouldReturn:(UITextField *)textField{ 141 | if([delegate respondsToSelector:@selector(textFieldShouldReturn:)]) 142 | return [delegate textFieldShouldReturn:textField]; 143 | return YES; 144 | } 145 | 146 | -(void)setDelegate:(id)dele{ 147 | delegate=dele; 148 | } 149 | 150 | @end 151 | 152 | 153 | @interface TextFieldValidator(){ 154 | NSString *strLengthValidationMsg; 155 | TextFieldValidatorSupport *supportObj; 156 | NSString *strMsg; 157 | NSMutableArray *arrRegx; 158 | IQPopUp *popUp; 159 | UIColor *popUpColor; 160 | } 161 | 162 | -(void)tapOnError; 163 | 164 | @end 165 | 166 | @implementation TextFieldValidator 167 | @synthesize presentInView,validateOnCharacterChanged,popUpColor,isMandatory,validateOnResign; 168 | 169 | #pragma mark - Default Methods of UIView 170 | - (id)initWithFrame:(CGRect)frame{ 171 | self = [super initWithFrame:frame]; 172 | if (self) { 173 | [self setup]; 174 | } 175 | return self; 176 | } 177 | 178 | -(id)initWithCoder:(NSCoder *)aDecoder{ 179 | self=[super initWithCoder:aDecoder]; 180 | [self setup]; 181 | return self; 182 | } 183 | 184 | -(void)setDelegate:(id)deleg{ 185 | supportObj.delegate=deleg; 186 | super.delegate=supportObj; 187 | } 188 | 189 | -(void)setup{ 190 | arrRegx=[[NSMutableArray alloc] init]; 191 | validateOnCharacterChanged=YES; 192 | isMandatory=YES; 193 | validateOnResign=YES; 194 | popUpColor=ColorPopUpBg; 195 | strLengthValidationMsg=[MsgValidateLength copy]; 196 | supportObj=[[TextFieldValidatorSupport alloc] init]; 197 | supportObj.validateOnCharacterChanged=validateOnCharacterChanged; 198 | supportObj.validateOnResign=validateOnResign; 199 | NSNotificationCenter *notify=[NSNotificationCenter defaultCenter]; 200 | [notify addObserver:self selector:@selector(didHideKeyboard) name:UIKeyboardWillHideNotification object:nil]; 201 | } 202 | 203 | -(void)setValidateOnCharacterChanged:(BOOL)validate{ 204 | supportObj.validateOnCharacterChanged=validate; 205 | validateOnCharacterChanged=validate; 206 | } 207 | 208 | -(void)setValidateOnResign:(BOOL)validate{ 209 | supportObj.validateOnResign=validate; 210 | validateOnResign=validate; 211 | } 212 | 213 | #pragma mark - Public methods 214 | -(void)addRegx:(NSString *)strRegx withMsg:(NSString *)msg{ 215 | NSDictionary *dic=[[NSDictionary alloc] initWithObjectsAndKeys:strRegx,@"regx",msg,@"msg", nil]; 216 | [arrRegx addObject:dic]; 217 | } 218 | 219 | -(void)updateLengthValidationMsg:(NSString *)msg{ 220 | strLengthValidationMsg=[msg copy]; 221 | } 222 | 223 | -(void)addConfirmValidationTo:(TextFieldValidator *)txtConfirm withMsg:(NSString *)msg{ 224 | NSDictionary *dic=[[NSDictionary alloc] initWithObjectsAndKeys:txtConfirm,@"confirm",msg,@"msg", nil]; 225 | [arrRegx addObject:dic]; 226 | } 227 | 228 | -(BOOL)validate{ 229 | if(isMandatory){ 230 | if([self.text length]==0){ 231 | [self showErrorIconForMsg:strLengthValidationMsg]; 232 | return NO; 233 | } 234 | } 235 | for (int i=0; i<[arrRegx count]; i++) { 236 | NSDictionary *dic=[arrRegx objectAtIndex:i]; 237 | if([dic objectForKey:@"confirm"]){ 238 | TextFieldValidator *txtConfirm=[dic objectForKey:@"confirm"]; 239 | if(![txtConfirm.text isEqualToString:self.text]){ 240 | [self showErrorIconForMsg:[dic objectForKey:@"msg"]]; 241 | return NO; 242 | } 243 | }else if(![[dic objectForKey:@"regx"] isEqualToString:@""] && [self.text length]!=0 && ![self validateString:self.text withRegex:[dic objectForKey:@"regx"]]){ 244 | [self showErrorIconForMsg:[dic objectForKey:@"msg"]]; 245 | return NO; 246 | } 247 | } 248 | self.rightView=nil; 249 | return YES; 250 | } 251 | 252 | -(void)dismissPopup{ 253 | [popUp removeFromSuperview]; 254 | } 255 | 256 | #pragma mark - Internal Methods 257 | 258 | -(void)didHideKeyboard{ 259 | [popUp removeFromSuperview]; 260 | } 261 | 262 | -(void)tapOnError{ 263 | [self showErrorWithMsg:strMsg]; 264 | } 265 | 266 | - (BOOL)validateString:(NSString*)stringToSearch withRegex:(NSString*)regexString { 267 | NSPredicate *regex = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regexString]; 268 | return [regex evaluateWithObject:stringToSearch]; 269 | } 270 | 271 | -(void)showErrorIconForMsg:(NSString *)msg{ 272 | UIButton *btnError=[[UIButton alloc] initWithFrame:CGRectMake(0, 0, 25, 25)]; 273 | [btnError addTarget:self action:@selector(tapOnError) forControlEvents:UIControlEventTouchUpInside]; 274 | [btnError setBackgroundImage:[UIImage imageNamed:IconImageName] forState:UIControlStateNormal]; 275 | self.rightView=btnError; 276 | self.rightViewMode=UITextFieldViewModeAlways; 277 | strMsg=[msg copy]; 278 | } 279 | 280 | -(void)showErrorWithMsg:(NSString *)msg{ 281 | popUp=[[IQPopUp alloc] initWithFrame:CGRectZero]; 282 | popUp.strMsg=msg; 283 | popUp.popUpColor=popUpColor; 284 | popUp.showOnRect=[self convertRect:self.rightView.frame toView:presentInView]; 285 | popUp.fieldFrame=[self.superview convertRect:self.frame toView:presentInView]; 286 | popUp.backgroundColor=[UIColor clearColor]; 287 | [presentInView addSubview:popUp]; 288 | 289 | popUp.translatesAutoresizingMaskIntoConstraints=NO; 290 | NSDictionary *dict=NSDictionaryOfVariableBindings(popUp); 291 | [popUp.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-0-[popUp]-0-|" options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 292 | [popUp.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[popUp]-0-|" options:NSLayoutFormatDirectionLeadingToTrailing metrics:nil views:dict]]; 293 | supportObj.popUp=popUp; 294 | } 295 | 296 | @end -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo/Supporting Files/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | -------------------------------------------------------------------------------- /TextFieldValidationDemo/TextFieldValidationDemo.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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