├── .gitignore ├── .swift-version ├── Example ├── AppDelegate.swift ├── Assets.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard ├── Info.plist └── ViewController.swift ├── LICENSE.md ├── README.md ├── TextViewMaster.podspec ├── TextViewMaster.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist └── xcshareddata │ └── xcschemes │ └── JSGrowingTextView.xcscheme ├── TextViewMaster ├── Info.plist ├── TextViewMaster.h └── TextViewMaster.swift └── intro.gif /.gitignore: -------------------------------------------------------------------------------- 1 | tignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 2 | 3 | ## Build generated 4 | build/ 5 | DerivedData/ 6 | 7 | ## Various settings 8 | *.pbxuser 9 | !default.pbxuser 10 | *.mode1v3 11 | !default.mode1v3 12 | *.mode2v3 13 | !default.mode2v3 14 | *.perspectivev3 15 | !default.perspectivev3 16 | xcuserdata/ 17 | 18 | ## Other 19 | *.moved-aside 20 | *.xccheckout 21 | *.xcscmblueprint 22 | 23 | ## Obj-C/Swift specific 24 | *.hmap 25 | *.ipa 26 | *.dSYM.zip 27 | *.dSYM 28 | 29 | ## Playgrounds 30 | timeline.xctimeline 31 | playground.xcworkspace 32 | 33 | # Swift Package Manager 34 | # 35 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 36 | # Packages/ 37 | # Package.pins 38 | # Package.resolved 39 | .build/ 40 | 41 | # CocoaPods 42 | # 43 | # We recommend against adding the Pods directory to your .gitignore. However 44 | # you should judge for yourself, the pros and cons are mentioned at: 45 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 46 | # 47 | # Pods/ 48 | 49 | # Carthage 50 | # 51 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 52 | # Carthage/Checkouts 53 | 54 | Carthage/Build 55 | 56 | # fastlane 57 | # 58 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 59 | # screenshots whenever they are needed. 60 | # For more information about the recommended setup visit: 61 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 62 | 63 | fastlane/report.xml 64 | fastlane/Preview.html 65 | fastlane/screenshots 66 | fastlane/test_output 67 | -------------------------------------------------------------------------------- /.swift-version: -------------------------------------------------------------------------------- 1 | 4.2 2 | -------------------------------------------------------------------------------- /Example/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // Example 4 | // 5 | // Created by jeasung.lee on 2017. 12. 12.. 6 | // Copyright © 2017년 jeasungLEE. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { 18 | return true 19 | } 20 | 21 | func applicationWillResignActive(_ application: UIApplication) { 22 | } 23 | 24 | func applicationDidEnterBackground(_ application: UIApplication) { 25 | } 26 | 27 | func applicationWillEnterForeground(_ application: UIApplication) { 28 | } 29 | 30 | func applicationDidBecomeActive(_ application: UIApplication) { 31 | } 32 | 33 | func applicationWillTerminate(_ application: UIApplication) { 34 | } 35 | 36 | 37 | } 38 | 39 | -------------------------------------------------------------------------------- /Example/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "size" : "1024x1024", 91 | "scale" : "1x" 92 | } 93 | ], 94 | "info" : { 95 | "version" : 1, 96 | "author" : "xcode" 97 | } 98 | } -------------------------------------------------------------------------------- /Example/Base.lproj/LaunchScreen.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 | -------------------------------------------------------------------------------- /Example/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 | -------------------------------------------------------------------------------- /Example/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIMainStoryboardFile 26 | Main 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /Example/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // Example 4 | // 5 | // Created by jeasung.lee on 2017. 12. 12.. 6 | // Copyright © 2017년 jeasungLEE. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import TextViewMaster 11 | 12 | class ViewController: UIViewController { 13 | var bottomConstraint: NSLayoutConstraint? 14 | override func viewDidLoad() { 15 | super.viewDidLoad() 16 | let inputView = UIView() 17 | let textViewMaster = TextViewMaster() 18 | let sendLabel = UILabel() 19 | 20 | inputView.backgroundColor = .gray 21 | sendLabel.text = "send" 22 | 23 | textViewMaster.delegate = self 24 | textViewMaster.layer.cornerRadius = 5 25 | textViewMaster.isAnimate = true //에니메이션 사용여부 26 | textViewMaster.maxLength = 200 //최대 글자수 27 | textViewMaster.maxHeight = 500 //최대 높이 제한 28 | textViewMaster.placeHolder = "메세지를 입력해주세요." //플레이스홀더 29 | textViewMaster.placeHolderColor = UIColor(white: 0.8, alpha: 1.0) //플레이스홀더 색상 30 | textViewMaster.font = UIFont.systemFont(ofSize: 17) 31 | 32 | inputView.translatesAutoresizingMaskIntoConstraints = false 33 | textViewMaster.translatesAutoresizingMaskIntoConstraints = false 34 | sendLabel.translatesAutoresizingMaskIntoConstraints = false 35 | 36 | view.addSubview(inputView) 37 | inputView.addSubview(textViewMaster) 38 | inputView.addSubview(sendLabel) 39 | 40 | if #available(iOS 11.0, *) { 41 | inputView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor).isActive = true 42 | bottomConstraint = inputView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor) 43 | inputView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor).isActive = true 44 | } else { 45 | inputView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true 46 | bottomConstraint = inputView.bottomAnchor.constraint(equalTo: view.bottomAnchor) 47 | inputView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true 48 | } 49 | bottomConstraint?.isActive = true 50 | 51 | sendLabel.bottomAnchor.constraint(equalTo: inputView.bottomAnchor).isActive = true 52 | sendLabel.trailingAnchor.constraint(equalTo: inputView.trailingAnchor, constant: -8).isActive = true 53 | sendLabel.widthAnchor.constraint(equalToConstant: 40).isActive = true 54 | sendLabel.heightAnchor.constraint(equalToConstant: 50).isActive = true 55 | 56 | textViewMaster.topAnchor.constraint(equalTo: inputView.topAnchor, constant: 8).isActive = true 57 | textViewMaster.leadingAnchor.constraint(equalTo: inputView.leadingAnchor, constant: 8).isActive = true 58 | textViewMaster.trailingAnchor.constraint(equalTo: sendLabel.leadingAnchor, constant: -8).isActive = true 59 | textViewMaster.bottomAnchor.constraint(equalTo: inputView.bottomAnchor, constant: -8).isActive = true 60 | 61 | NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillChangeFrame), name: UIResponder.keyboardWillChangeFrameNotification, object: nil) 62 | 63 | let tapGesture = UITapGestureRecognizer(target: self, action: #selector(tapGestureHandler)) 64 | view.addGestureRecognizer(tapGesture) 65 | } 66 | 67 | deinit { 68 | NotificationCenter.default.removeObserver(self) 69 | } 70 | 71 | @objc func keyboardWillChangeFrame(_ notification: Notification) { 72 | let endFrame = ((notification as NSNotification).userInfo![UIResponder.keyboardFrameEndUserInfoKey] as! NSValue).cgRectValue 73 | bottomConstraint?.constant = -(view.bounds.height - endFrame.origin.y) 74 | self.view.layoutIfNeeded() 75 | } 76 | 77 | @objc func tapGestureHandler() { 78 | view.endEditing(true) 79 | } 80 | 81 | override func didReceiveMemoryWarning() { 82 | super.didReceiveMemoryWarning() 83 | } 84 | } 85 | 86 | extension ViewController: TextViewMasterDelegate { 87 | func growingTextView(growingTextView: TextViewMaster, willChangeHeight height: CGFloat) { 88 | self.view.layoutIfNeeded() 89 | } 90 | } 91 | 92 | -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2017 jeasungLEE 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 all 13 | 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 THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # TextViewMaster 2 | [![Version](https://img.shields.io/cocoapods/v/TextViewMaster.svg?style=flat)](http://cocoapods.org/pods/TextViewMaster) 3 | [![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg?style=flat)](https://github.com/jeasungLEE/TextViewMaster/blob/master/LICENSE) 4 | [![Platform](https://img.shields.io/cocoapods/p/TextViewMaster.svg?style=flat)](http://cocoapods.org/pods/TextViewMaster) 5 | [![Swift 4.2](https://img.shields.io/badge/Swift-4.2-orange.svg?style=flat)](https://developer.apple.com/swift/) 6 | ## Introduce 7 | image 8 | 9 | Easy custom placeholder and growing textView 10 | 11 | You can easily adjust the color, font, and position of the placeholder. 12 | The height of the textview automatically changes every time you increase or decrease the line in the textview. 13 | 14 | ## Requirements 15 | * iOS9.0 or higher version 16 | * Swift4.2 17 | 18 | 19 | ## Installation 20 | ### Cocoapods 21 | 22 | TextViewMaster is available through [CocoaPods](http://cocoapods.org). 23 | 24 | ```ruby 25 | pod 'TextViewMaster' 26 | ``` 27 | 28 | ## Usage 29 | 30 | ```ruby 31 | import TextViewMaster 32 | ``` 33 | ### Customization 34 | ```ruby 35 | isAnimate: Bool = true //에니메이션 사용여부 36 | maxLength: Int = 0 //최대 글자수 37 | minHeight: CGFloat = 0 //최소 높이 제한 38 | maxHeight: CGFloat = 0 //최대 높이 제한 39 | 40 | placeHolder: String = "" //플레이스홀더 41 | placeHolderFont: UIFont = UIFont.systemFont(ofSize: 17) //플레이스홀더 폰트 42 | placeHolderColor: UIColor = UIColor(white: 0.8, alpha: 1.0) //플레이스홀더 컬러 43 | placeHolderTopPadding: CGFloat = 0 //플레이스홀더 위 여백 44 | placeHolderBottomPadding: CGFloat = 0 //플레이스홀더 아래 여백 45 | placeHolderRightPadding: CGFloat = 5 //플레이스홀더 오른쪽 여백 46 | placeHolderLeftPadding: CGFloat = 5 //플레이스홀더 왼쪽 여백 47 | ``` 48 | ### Programmatically 49 | ```ruby 50 | let textViewMaster = TextViewMaster() 51 | textViewMaster.delegate = self 52 | inputView.addSubview(textViewMaster) 53 | ``` 54 | 55 | If you have difficulty applying, please refer to the example folder. 56 | 57 | ### Storyboard 58 | 1. TextView Set class to "TextViewMaster". 59 | 2. Set delegate to it's view controller 60 | 61 | ### Delegate 62 | TextViewMaster inherits from UITextViewDelegate. 63 | You can also use UITextViewDelegate by default. 64 | Added or modified functions 65 | ```ruby 66 | func growingTextView(growingTextView: TextViewMaster, shouldChangeTextInRange range:NSRange, replacementText text:String) -> Bool 67 | func growingTextViewShouldReturn(growingTextView: TextViewMaster) 68 | func growingTextView(growingTextView: TextViewMaster, willChangeHeight height:CGFloat) 69 | func growingTextView(growingTextView: TextViewMaster, didChangeHeight height:CGFloat) 70 | ``` 71 | 72 | ## Author 73 | [jeasungLEE](https://github.com/jeasungLEE) 74 | 75 | ## License 76 | TextViewMaster is available under the MIT license. 77 | -------------------------------------------------------------------------------- /TextViewMaster.podspec: -------------------------------------------------------------------------------- 1 | # 2 | # Be sure to run `pod spec lint TextViewMaster podspec' to ensure this is a 3 | # valid spec and to remove all comments including this before submitting the spec. 4 | # 5 | # To learn more about Podspec attributes see http://docs.cocoapods.org/specification.html 6 | # To see working Podspecs in the CocoaPods repo see https://github.com/CocoaPods/Specs/ 7 | # 8 | 9 | Pod::Spec.new do |s| 10 | 11 | 12 | s.name = "TextViewMaster" 13 | s.version = "1.1.0" 14 | s.summary = "TextViewMaster." 15 | s.description = <<-DESC 16 | Easy custom placeholder and growing textView. 17 | DESC 18 | s.homepage = "https://github.com/JeaSungLEE/TextViewMaster" 19 | # s.screenshots = "https://github.com/JeaSungLEE/TextViewMaster/blob/master/intro.gif" 20 | s.license = { :type => "MIT", :file => "LICENSE.md" } 21 | s.author = { "jeasung.lee" => "wotjdzz1@naver.com" } 22 | s.platform = :ios, "9.0" 23 | s.source = { :git => "https://github.com/JeaSungLEE/TextViewMaster.git", :tag => "#{s.version}" } 24 | s.source_files = "TextViewMaster/**/*.swift" 25 | 26 | s.framework = "UIKit" 27 | 28 | s.requires_arc = true 29 | 30 | end 31 | -------------------------------------------------------------------------------- /TextViewMaster.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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464 | defaultConfigurationName = Release; 465 | }; 466 | 39AF2F871FDF924800F55150 /* Build configuration list for PBXNativeTarget "Example" */ = { 467 | isa = XCConfigurationList; 468 | buildConfigurations = ( 469 | 39AF2F881FDF924800F55150 /* Debug */, 470 | 39AF2F891FDF924800F55150 /* Release */, 471 | ); 472 | defaultConfigurationIsVisible = 0; 473 | defaultConfigurationName = Release; 474 | }; 475 | /* End XCConfigurationList section */ 476 | }; 477 | rootObject = 39AF2F5E1FDF922700F55150 /* Project object */; 478 | } 479 | -------------------------------------------------------------------------------- /TextViewMaster.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /TextViewMaster.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /TextViewMaster.xcodeproj/xcshareddata/xcschemes/JSGrowingTextView.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 34 | 35 | 45 | 46 | 52 | 53 | 54 | 55 | 56 | 57 | 63 | 64 | 70 | 71 | 72 | 73 | 75 | 76 | 79 | 80 | 81 | -------------------------------------------------------------------------------- /TextViewMaster/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.1 19 | CFBundleVersion 20 | $(CURRENT_PROJECT_VERSION) 21 | NSPrincipalClass 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /TextViewMaster/TextViewMaster.h: -------------------------------------------------------------------------------- 1 | // 2 | // JSGrowingTextView.h 3 | // JSGrowingTextView 4 | // 5 | // Created by jeasung.lee on 2017. 12. 12.. 6 | // Copyright © 2017년 jeasungLEE. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for JSGrowingTextView. 12 | FOUNDATION_EXPORT double JSGrowingTextViewVersionNumber; 13 | 14 | //! Project version string for JSGrowingTextView. 15 | FOUNDATION_EXPORT const unsigned char JSGrowingTextViewVersionString[]; 16 | 17 | // In this header, you should import all the public headers of your framework using statements like #import 18 | 19 | 20 | -------------------------------------------------------------------------------- /TextViewMaster/TextViewMaster.swift: -------------------------------------------------------------------------------- 1 | // 2 | // JSGrowingTextView.swift 3 | // JSGrowingTextView 4 | // 5 | // Created by jeasung.lee on 2017. 12. 12.. 6 | // Copyright © 2017년 jeasungLEE. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @objc public protocol TextViewMasterDelegate: UITextViewDelegate { 12 | @objc optional func growingTextView(growingTextView: TextViewMaster, shouldChangeTextInRange range:NSRange, replacementText text:String) -> Bool 13 | @objc optional func growingTextViewShouldReturn(growingTextView: TextViewMaster) 14 | 15 | @objc optional func growingTextView(growingTextView: TextViewMaster, willChangeHeight height:CGFloat) 16 | @objc optional func growingTextView(growingTextView: TextViewMaster, didChangeHeight height:CGFloat) 17 | } 18 | 19 | //MARK: - 20 | public class TextViewMaster: UITextView { 21 | public var isAnimate: Bool = true //에니메이션 사용여부 22 | public var maxLength: Int = 0 //최대 글자수 23 | public var minHeight: CGFloat = 0 //최소 높이 제한 24 | public var maxHeight: CGFloat = 0 //최대 높이 제한 25 | 26 | public var placeHolder: String = "" //플레이스홀더 27 | public var placeHolderFont: UIFont = UIFont.systemFont(ofSize: 17) //플레이스홀더 폰트 28 | public var placeHolderColor: UIColor = UIColor(white: 0.8, alpha: 1.0) //플레이스홀더 컬러 29 | public var placeHolderTopPadding: CGFloat = 0 //플레이스홀더 위 여백 30 | public var placeHolderBottomPadding: CGFloat = 0 //플레이스홀더 아래 여백 31 | public var placeHolderRightPadding: CGFloat = 5 //플레이스홀더 오른쪽 여백 32 | public var placeHolderLeftPadding: CGFloat = 5 //플레이스홀더 왼쪽 여백 33 | 34 | private weak var heightConstraint: NSLayoutConstraint? 35 | 36 | //MARK: - init 37 | override public init(frame: CGRect, textContainer: NSTextContainer?) { 38 | super.init(frame: frame, textContainer: textContainer) 39 | commonInit() 40 | } 41 | 42 | required public init?(coder aDecoder: NSCoder) { 43 | super.init(coder: aDecoder) 44 | commonInit() 45 | } 46 | 47 | private func commonInit() { 48 | contentMode = .redraw 49 | NotificationCenter.default.addObserver(self, selector: #selector(textDidChange), name: UITextView.textDidChangeNotification, object: self) 50 | NotificationCenter.default.addObserver(self, selector: #selector(textDidEndEditing), name: UITextView.textDidEndEditingNotification, object: self) 51 | } 52 | 53 | deinit { 54 | NotificationCenter.default.removeObserver(self) 55 | } 56 | 57 | //MARK: - override 58 | override public func layoutSubviews() { 59 | super.layoutSubviews() 60 | let height = checkHeightConstraint() 61 | setNewHieghtConstraintConstant(with: height) 62 | 63 | if isAnimate { 64 | UIView.animate(withDuration: 0.1, delay: 0.0, options: .curveLinear, animations: { [weak self] in 65 | guard let self = self, let delegate = self.delegate as? TextViewMasterDelegate else { return } 66 | delegate.growingTextView?(growingTextView: self, willChangeHeight: height) 67 | self.scrollToBottom() 68 | }) { [weak self] _ in 69 | guard let self = self, let delegate = self.delegate as? TextViewMasterDelegate else { return } 70 | delegate.growingTextView?(growingTextView: self, didChangeHeight: height) 71 | } 72 | } else { 73 | guard let delegate = delegate as? TextViewMasterDelegate else { return } 74 | delegate.growingTextView?(growingTextView: self, willChangeHeight: height) 75 | self.scrollToBottom() 76 | delegate.growingTextView?(growingTextView: self, didChangeHeight: height) 77 | } 78 | } 79 | 80 | override public func draw(_ rect: CGRect) { 81 | super.draw(rect) 82 | if text.isEmpty { 83 | drawPlaceHolder(rect) 84 | } 85 | } 86 | } 87 | 88 | //MARK: - custom func 89 | extension TextViewMaster { 90 | private func checkHeightConstraint() -> CGFloat { 91 | let height = getHieght() 92 | 93 | if heightConstraint == nil { 94 | setHeightConstraint(with: height) 95 | } 96 | 97 | return height 98 | } 99 | 100 | private func setNewHieghtConstraintConstant(with constant: CGFloat) { 101 | guard constant != heightConstraint?.constant else { return } 102 | heightConstraint?.constant = constant 103 | } 104 | 105 | private func getHieght() -> CGFloat { 106 | let size = sizeThatFits(CGSize(width: bounds.size.width, height: CGFloat.greatestFiniteMagnitude)) 107 | var height = size.height 108 | 109 | height = minHeight > 0 ? max(height, minHeight) : height 110 | height = maxHeight > 0 ? min(height, maxHeight) : height 111 | 112 | return height 113 | } 114 | 115 | private func setHeightConstraint(with height: CGFloat) { 116 | heightConstraint = self.heightAnchor.constraint(equalToConstant: height) 117 | addConstraint(heightConstraint!) 118 | } 119 | 120 | private func scrollToBottom() { 121 | let bottom = self.contentSize.height - self.bounds.size.height 122 | self.setContentOffset(CGPoint(x: 0, y: bottom), animated: false) 123 | } 124 | 125 | private func getPlaceHolderAttribues() -> [NSAttributedString.Key: Any] { 126 | let paragraphStyle = NSMutableParagraphStyle() 127 | paragraphStyle.alignment = textAlignment 128 | var attributes: [NSAttributedString.Key: Any] = [ 129 | .foregroundColor: placeHolderColor, 130 | .paragraphStyle: paragraphStyle 131 | ] 132 | attributes[.font] = placeHolderFont 133 | 134 | return attributes 135 | } 136 | 137 | private func drawPlaceHolder(_ rect: CGRect) { 138 | let xValue = textContainerInset.left + placeHolderLeftPadding 139 | let yValue = textContainerInset.top + placeHolderTopPadding 140 | let width = rect.size.width - xValue - (textContainerInset.right + placeHolderRightPadding) 141 | let height = rect.size.height - yValue - (textContainerInset.bottom + placeHolderBottomPadding) 142 | let placeHolderRect = CGRect(x: xValue, y: yValue, width: width, height: height) 143 | 144 | guard let gc = UIGraphicsGetCurrentContext() else { return } 145 | gc.saveGState() 146 | defer { gc.restoreGState() } 147 | 148 | placeHolder.draw(in: placeHolderRect, withAttributes: getPlaceHolderAttribues()) 149 | 150 | } 151 | } 152 | 153 | //MARK: - NotificationCenter 154 | extension TextViewMaster { 155 | @objc private func textDidEndEditing(notification: Notification) { 156 | scrollToBottom() 157 | } 158 | 159 | @objc private func textDidChange(notification: Notification) { 160 | if let sender = notification.object as? TextViewMaster, sender == self { 161 | if maxLength > 0 && text.count > maxLength { 162 | let endIndex = text.index(text.startIndex, offsetBy: maxLength) 163 | text = String(text[.. Bool { 173 | guard textView.hasText || text != "" else { return false } 174 | if let delegate = delegate as? TextViewMasterDelegate { 175 | guard let value = delegate.growingTextView?(growingTextView: self, shouldChangeTextInRange: range, replacementText: text) else { return false } 176 | return value 177 | } 178 | 179 | if text == "\n" { 180 | if let delegate = delegate as? TextViewMasterDelegate { 181 | delegate.growingTextViewShouldReturn?(growingTextView: self) 182 | return true 183 | } else { 184 | textView.resignFirstResponder() 185 | return false 186 | } 187 | } 188 | 189 | return true 190 | } 191 | } 192 | -------------------------------------------------------------------------------- /intro.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/JeaSungLEE/TextViewMaster/f3258542ffd063f098f3378a6b53ab3c849ff981/intro.gif --------------------------------------------------------------------------------