├── .gitignore ├── .swift-version ├── Example ├── AppDelegate.swift ├── Assets.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard ├── Info.plist └── ViewController.swift ├── LICENSE ├── README.md ├── VGSegment.podspec ├── VGSegment.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ └── contents.xcworkspacedata └── xcshareddata │ └── xcschemes │ └── VGSegment.xcscheme ├── VGSegment ├── Info.plist ├── VGSegment+Animation.swift ├── VGSegment+UITapGestureRecognizer.swift ├── VGSegment.h ├── VGSegment.swift └── VGSegmentConfiguration.swift ├── demo1.gif └── demo2.gif /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | ## Playgrounds 32 | timeline.xctimeline 33 | playground.xcworkspace 34 | 35 | # Swift Package Manager 36 | # 37 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 38 | # Packages/ 39 | # Package.pins 40 | .build/ 41 | 42 | # CocoaPods 43 | # 44 | # We recommend against adding the Pods directory to your .gitignore. However 45 | # you should judge for yourself, the pros and cons are mentioned at: 46 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 47 | # 48 | # Pods/ 49 | 50 | # Carthage 51 | # 52 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 53 | # Carthage/Checkouts 54 | 55 | Carthage/Build 56 | 57 | # fastlane 58 | # 59 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 60 | # screenshots whenever they are needed. 61 | # For more information about the recommended setup visit: 62 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 63 | 64 | fastlane/report.xml 65 | fastlane/Preview.html 66 | fastlane/screenshots 67 | fastlane/test_output 68 | -------------------------------------------------------------------------------- /.swift-version: -------------------------------------------------------------------------------- 1 | 5.0 2 | -------------------------------------------------------------------------------- /Example/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // Example 4 | // 5 | // Created by Vein on 2017/5/26. 6 | // Copyright © 2017年 Vein. 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 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(_ application: UIApplication) { 23 | // 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. 24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(_ application: UIApplication) { 28 | // 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. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(_ application: UIApplication) { 33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(_ application: UIApplication) { 37 | // 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. 38 | } 39 | 40 | func applicationWillTerminate(_ application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | 45 | } 46 | 47 | -------------------------------------------------------------------------------- /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" : "ios-marketing", 45 | "size" : "1024x1024", 46 | "scale" : "1x" 47 | } 48 | ], 49 | "info" : { 50 | "version" : 1, 51 | "author" : "xcode" 52 | } 53 | } -------------------------------------------------------------------------------- /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 | 27 | 28 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /Example/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 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 | 38 | 39 | -------------------------------------------------------------------------------- /Example/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // Example 4 | // 5 | // Created by Vein on 2017/5/26. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import VGSegment 11 | 12 | class ViewController: UIViewController, VGSegmentDelegate{ 13 | 14 | override func viewDidLoad() { 15 | super.viewDidLoad() 16 | 17 | let rect = CGRect(x: 0, y: 250, width: view.frame.width, height: 45) 18 | let titles = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"] 19 | 20 | let segment = VGSegment(frame: rect, titles: titles) 21 | segment.delegate = self 22 | view.addSubview(segment) 23 | 24 | var configuration: VGSegmentConfiguration { 25 | let configura = VGSegmentConfiguration() 26 | // TODO: configuration segment 27 | return configura 28 | } 29 | 30 | segment.configuration = configuration 31 | } 32 | 33 | func didSelectAtIndex(_ index: Int) { 34 | print("selectIndex:", index) 35 | } 36 | 37 | } 38 | 39 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2017 WenRong 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 | # VGSegment 2 | 3 | A segment menu with line animation 4 | 5 | 6 | ![Swift](https://img.shields.io/badge/Swift-3.0-orange.svg) 7 | [![build](https://img.shields.io/circleci/project/github/RedSparr0w/node-csgo-parser.svg)](http://cocoadocs.org/docsets/VGSegment/1.0/) 8 | [![License MIT](https://img.shields.io/badge/license-MIT-green.svg?style=flat)](https://github.com/VeinGuo/VGSegment/blob/master/LICENSE) 9 | [![Platform](https://img.shields.io/cocoapods/p/Pastel.svg?style=flat)](https://github.com/VeinGuo/VGSegment) 10 | [![pod](https://img.shields.io/badge/pod-v1.0.2-red.svg)](http://cocoadocs.org/docsets/VGSegment/1.0.2/) 11 | 12 | ![demo1](https://github.com/VeinGuo/VGSegment/blob/master/demo1.gif) 13 | 14 | ![demo2](https://github.com/VeinGuo/VGSegment/blob/master/demo2.gif) 15 | 16 | ## Requirements 17 | 18 | - Swift 5 19 | - iOS 8.0+ 20 | - XCode 10.2 21 | 22 | ## Usage 23 | 24 | ```swift 25 | class ViewController: UIViewController, VGSegmentDelegate{ 26 | 27 | override func viewDidLoad() { 28 | super.viewDidLoad() 29 | 30 | let rect = CGRect(x: 0, y: 250, width: view.frame.width, height: 45) 31 | let titles = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"] 32 | 33 | let segment = VGSegment(frame: rect, titles: titles) 34 | segment.delegate = self 35 | view.addSubview(segment) 36 | 37 | var configuration: VGSegmentConfiguration { 38 | let configura = VGSegmentConfiguration() 39 | // TODO: configuration segment 40 | return configura 41 | } 42 | 43 | segment.configuration = configuration 44 | } 45 | 46 | func didSelectAtIndex(_ index: Int) { 47 | print("selectIndex:", index) 48 | } 49 | 50 | } 51 | ``` 52 | 53 | ## Installation 54 | - Download VGSegment. Move to your project. 55 | 56 | - Cocoapods 57 | 58 | ``` 59 | platform :ios, ‘8.0’ 60 | use_frameworks! 61 | pod "VGSegment" 62 | ``` 63 | 64 | - Carthage 65 | 66 | ``` 67 | github "VeinGuo/VGSegment" ~> 1.0.1 68 | ``` 69 | 70 | ## Version 71 | - 1.0 Release (05/28/2017) 72 | - 1.0.1 Release (05/31/2017) 73 | - 1.0.2 fix horizontal and vertical autolayout 74 | 75 | -------------------------------------------------------------------------------- /VGSegment.podspec: -------------------------------------------------------------------------------- 1 | Pod::Spec.new do |s| 2 | 3 | # Guide: https://github.com/VeinGuo/VGSegment 4 | 5 | s.name = "VGSegment" 6 | s.version = "1.0.4" 7 | s.summary = "A segment menu with line animation" 8 | s.license = { :type => 'MIT License', :file => 'LICENSE' } 9 | s.homepage = "https://github.com/VeinGuo/VGSegment" 10 | s.author = { "VeinGuo" => "https://github.com/VeinGuo" } 11 | s.ios.deployment_target = "8.0" 12 | s.platform = :ios, "8.0" 13 | s.source = { :git => "https://github.com/VeinGuo/VGSegment.git", :tag => s.version } 14 | s.source_files = 'VGSegment/**/*.{h,m,swift}' 15 | s.requires_arc = true 16 | 17 | end 18 | 19 | -------------------------------------------------------------------------------- /VGSegment.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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489 | defaultConfigurationIsVisible = 0; 490 | defaultConfigurationName = Release; 491 | }; 492 | 333C3D4B1ED7C24400BAB307 /* Build configuration list for PBXNativeTarget "VGSegment" */ = { 493 | isa = XCConfigurationList; 494 | buildConfigurations = ( 495 | 333C3D4C1ED7C24400BAB307 /* Debug */, 496 | 333C3D4D1ED7C24400BAB307 /* Release */, 497 | ); 498 | defaultConfigurationIsVisible = 0; 499 | defaultConfigurationName = Release; 500 | }; 501 | 333C3D611ED7C2A700BAB307 /* Build configuration list for PBXNativeTarget "Example" */ = { 502 | isa = XCConfigurationList; 503 | buildConfigurations = ( 504 | 333C3D621ED7C2A700BAB307 /* Debug */, 505 | 333C3D631ED7C2A700BAB307 /* Release */, 506 | ); 507 | defaultConfigurationIsVisible = 0; 508 | defaultConfigurationName = Release; 509 | }; 510 | /* End XCConfigurationList section */ 511 | }; 512 | rootObject = 333C3D3A1ED7C24400BAB307 /* Project object */; 513 | } 514 | -------------------------------------------------------------------------------- /VGSegment.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /VGSegment.xcodeproj/xcshareddata/xcschemes/VGSegment.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 31 | 32 | 33 | 34 | 35 | 36 | 47 | 48 | 54 | 55 | 56 | 57 | 58 | 59 | 65 | 66 | 72 | 73 | 74 | 75 | 77 | 78 | 81 | 82 | 83 | -------------------------------------------------------------------------------- /VGSegment/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 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 | 1.0.1 19 | CFBundleVersion 20 | $(CURRENT_PROJECT_VERSION) 21 | NSPrincipalClass 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /VGSegment/VGSegment+Animation.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VGSegment+Animation.swift 3 | // VGSegment 4 | // 5 | // Created by Vein on 2017/5/28. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | // move animation 11 | extension VGSegment { 12 | func moveSelectionIndicator(_ indicator: UIView, fromeLabel: UILabel, toLabel: UILabel, animated: Bool) { 13 | 14 | let normalTitleColor = configuration.normalTitleColor 15 | let selectedTitleColor = configuration.selectedTitleColor 16 | let normalTitleFont = configuration.normalTitleFont 17 | let selectedTitleFont = configuration.selectedTitleFont 18 | let animationDuration = configuration.animationDuration / 2 19 | 20 | let style = configuration.segmentStyle 21 | 22 | fromeLabel.textColor = normalTitleColor 23 | toLabel.textColor = selectedTitleColor 24 | 25 | let fromeFrame = fromeLabel.frame 26 | let toFrame = toLabel.frame 27 | 28 | UIView.animate(withDuration: animationDuration) { 29 | fromeLabel.font = normalTitleFont 30 | toLabel.font = selectedTitleFont 31 | }; 32 | 33 | switch style { 34 | case .line: 35 | if animated { 36 | UIView.animate(withDuration: animationDuration, animations: { 37 | indicator.frame.origin.x = toLabel.frame.origin.x 38 | indicator.frame.size.width = toLabel.frame.width 39 | }) 40 | } else { 41 | indicator.frame.origin.x = toLabel.frame.origin.x 42 | indicator.frame.size.width = toLabel.frame.width 43 | } 44 | 45 | case .caterpillarLines: 46 | if animated { 47 | if fromeFrame.origin.x < toFrame.origin.x { 48 | 49 | UIView.animate(withDuration: animationDuration, delay: 0, options: .curveLinear, animations: { 50 | indicator.frame.size.width = fromeFrame.width + toFrame.width 51 | }, completion: { (completion) in 52 | UIView.animate(withDuration: animationDuration, animations: { 53 | indicator.frame.size.width = toFrame.width 54 | indicator.frame.origin.x = toFrame.origin.x 55 | }) 56 | }) 57 | 58 | } else { 59 | 60 | UIView.animate(withDuration: animationDuration, delay: 0, options: .curveLinear, animations: { 61 | indicator.frame.origin.x = toFrame.origin.x 62 | indicator.frame.size.width = fromeFrame.width + toFrame.width 63 | }, completion: { (completion) in 64 | UIView.animate(withDuration: animationDuration, animations: { 65 | indicator.frame.size.width = toFrame.width 66 | }) 67 | }) 68 | 69 | } 70 | } else { 71 | indicator.frame.origin.x = toLabel.frame.origin.x 72 | indicator.frame.size.width = toLabel.frame.width 73 | } 74 | } 75 | } 76 | } 77 | -------------------------------------------------------------------------------- /VGSegment/VGSegment+UITapGestureRecognizer.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VGSegment+UITapGestureRecognizer.swift 3 | // VGSegment 4 | // 5 | // Created by Vein on 2017/5/27. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | extension VGSegment : UIGestureRecognizerDelegate { 12 | @objc func handleSegmentTap(_ gestureRecognizer : UITapGestureRecognizer) { 13 | let tappedPointX : CGFloat = gestureRecognizer.location(in: self).x + scrollView.contentOffset.x 14 | 15 | for (i, label) in titleLabels.enumerated() { 16 | if tappedPointX >= label.frame.minX && tappedPointX <= label.frame.maxX { 17 | //move 18 | selectionTitle(index: i) 19 | } 20 | } 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /VGSegment/VGSegment.h: -------------------------------------------------------------------------------- 1 | // 2 | // VGSegment.h 3 | // VGSegment 4 | // 5 | // Created by Vein on 2017/5/26. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for VGSegment. 12 | FOUNDATION_EXPORT double VGSegmentVersionNumber; 13 | 14 | //! Project version string for VGSegment. 15 | FOUNDATION_EXPORT const unsigned char VGSegmentVersionString[]; 16 | 17 | // In this header, you should import all the public headers of your framework using statements like #import 18 | 19 | 20 | -------------------------------------------------------------------------------- /VGSegment/VGSegment.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VGSegment.swift 3 | // VGSegment 4 | // 5 | // Created by Vein on 2017/5/26. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @objc public protocol VGSegmentDelegate { 12 | // MARK: - Delegate func 13 | @objc optional func didSelectAtIndex(_ index: Int) 14 | } 15 | 16 | open class VGSegment: UIView{ 17 | open var configuration = VGSegmentConfiguration () { 18 | didSet{ 19 | reloadView() 20 | } 21 | } 22 | open var titles:[String] { 23 | didSet{ 24 | guard oldValue != titles else { return } 25 | reloadView() 26 | } 27 | } 28 | 29 | open weak var delegate: VGSegmentDelegate? 30 | public var titleLabels: [UILabel] = [] 31 | fileprivate var selectIndex: Int = 0 32 | fileprivate let indicator: UIView = { 33 | let view = UIView() 34 | view.layer.masksToBounds = true 35 | return view 36 | }() 37 | 38 | public let scrollView: UIScrollView = { 39 | let view = UIScrollView() 40 | view.bounces = true 41 | view.isPagingEnabled = false 42 | view.isScrollEnabled = true 43 | view.scrollsToTop = false 44 | view.showsVerticalScrollIndicator = false 45 | view.showsHorizontalScrollIndicator = false 46 | return view 47 | }() 48 | 49 | public convenience init(frame: CGRect, titles: [String] ) { 50 | self.init(frame:frame, segmentConfiguration: VGSegmentConfiguration(), titles: titles) 51 | } 52 | 53 | public init(frame: CGRect, segmentConfiguration: VGSegmentConfiguration, titles: [String]) { 54 | self.configuration = segmentConfiguration 55 | self.titles = titles; 56 | super.init(frame: frame) 57 | addSubview(UIView()) 58 | addSubview(scrollView) 59 | reloadView() 60 | } 61 | 62 | required public init?(coder aDecoder: NSCoder) { 63 | fatalError("init(coder:) has not been implemented") 64 | } 65 | 66 | open override func layoutSubviews() { 67 | super.layoutSubviews() 68 | scrollView.frame = bounds 69 | let selectLabel = titleLabels[selectIndex] 70 | let offsetX = min(max(0, selectLabel.center.x - bounds.width / 2), 71 | max(0, scrollView.contentSize.width - bounds.width)) 72 | scrollView.setContentOffset(CGPoint(x:offsetX, y: 0), animated: false) 73 | } 74 | 75 | } 76 | 77 | //MARK: - public 78 | extension VGSegment { 79 | 80 | public func selectionTitle(index: Int,animated: Bool = true) { 81 | if index >= 0 && index < titleLabels.count && selectIndex != index { 82 | 83 | let preSelectLabel = titleLabels[selectIndex] 84 | let selectLabel = titleLabels[index] 85 | let offsetX = min(max(0, selectLabel.center.x - bounds.width / 2), 86 | max(0, scrollView.contentSize.width - bounds.width)) 87 | scrollView.setContentOffset(CGPoint(x:offsetX, y: 0), animated: true) 88 | // move 89 | moveSelectionIndicator(indicator, fromeLabel: preSelectLabel, toLabel: selectLabel, animated: animated) 90 | selectIndex = index 91 | delegate?.didSelectAtIndex?(index) 92 | configuration.segmentSelectIndex = index 93 | } 94 | } 95 | } 96 | 97 | //MARK: - private 98 | extension VGSegment { 99 | 100 | func labelSizeToFit(_ text: String, font: UIFont) -> CGFloat { 101 | let titleText = text as String 102 | let width = titleText.boundingRect(with: CGSize(width: CGFloat(MAXFLOAT), height: 0.0), options: .usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font: font], context: nil).width 103 | return width 104 | } 105 | 106 | func setupTitleLabel(_ title: String, font: UIFont, index: Int, color: UIColor, frame: CGRect) { 107 | let titleLabel = UILabel(frame: CGRect.zero) 108 | titleLabel.tag = index 109 | titleLabel.text = title 110 | titleLabel.textColor = color 111 | titleLabel.font = font 112 | titleLabel.frame = frame 113 | titleLabel.textAlignment = .center 114 | titleLabels.append(titleLabel) 115 | scrollView.addSubview(titleLabel) 116 | } 117 | 118 | func setupIndicator(_ frame: CGRect) { 119 | if configuration.hideIndicator { return } 120 | 121 | indicator.backgroundColor = configuration.indicatorColor 122 | indicator.layer.cornerRadius = configuration.indicatorCornerRadius 123 | 124 | let height = configuration.indicatorHeight 125 | 126 | indicator.frame = frame 127 | indicator.frame.origin.y = bounds.height - height 128 | indicator.frame.size.height = height 129 | 130 | scrollView.addSubview(indicator) 131 | } 132 | 133 | fileprivate func reloadView() { 134 | 135 | cleanSegemtn() 136 | 137 | scrollView.frame = bounds; 138 | scrollView.backgroundColor = configuration.segmentBackgroundColor 139 | 140 | var font = configuration.normalTitleFont 141 | let margin = configuration.segmentTitleMargin 142 | var titleColor = configuration.normalTitleColor 143 | 144 | for (i, title) in titles.enumerated() { 145 | let labelX = (titleLabels.last?.frame.maxX ?? 0) 146 | let labelY = (bounds.maxY - font.lineHeight) / 2 147 | let width = labelSizeToFit(title, font: font) + margin * 2 148 | let labelFrame = CGRect(x: labelX, y: labelY , width: width, height: font.lineHeight) 149 | 150 | if i == configuration.segmentSelectIndex { 151 | selectIndex = i 152 | titleColor = configuration.selectedTitleColor 153 | font = configuration.selectedTitleFont 154 | setupIndicator(labelFrame) 155 | } else { 156 | titleColor = configuration.normalTitleColor 157 | font = configuration.normalTitleFont 158 | } 159 | 160 | setupTitleLabel(title, font: font, index: i, color: titleColor, frame: labelFrame) 161 | } 162 | 163 | scrollView.contentSize.width = titleLabels.last!.frame.maxX 164 | let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(VGSegment.handleSegmentTap)) 165 | addGestureRecognizer(tapGestureRecognizer) 166 | } 167 | 168 | fileprivate func cleanSegemtn() { 169 | titleLabels.removeAll() 170 | scrollView.subviews.forEach { $0.removeFromSuperview() } 171 | } 172 | } 173 | -------------------------------------------------------------------------------- /VGSegment/VGSegmentConfiguration.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VGSegmentConfiguration.swift 3 | // VGSegment 4 | // 5 | // Created by Vein on 2017/5/26. 6 | // Copyright © 2017年 Vein. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @objc public enum VGSegmentStyle: Int{ 12 | case line 13 | case caterpillarLines 14 | } 15 | 16 | public class VGSegmentConfiguration { 17 | 18 | open var segmentBackgroundColor : UIColor = #colorLiteral(red: 1, green: 1, blue: 1, alpha: 1) 19 | open var segmentTitleMargin : CGFloat = 15.0 20 | open var segmentStyle : VGSegmentStyle = .caterpillarLines 21 | open var normalTitleColor = #colorLiteral(red: 0.6000000238, green: 0.6000000238, blue: 0.6000000238, alpha: 1) 22 | open var selectedTitleColor = #colorLiteral(red: 0, green: 0, blue: 0, alpha: 1) 23 | open var normalTitleFont : UIFont = UIFont.boldSystemFont(ofSize: 14) 24 | open var selectedTitleFont : UIFont = UIFont.boldSystemFont(ofSize: 16) 25 | open var segmentTitleFontEnlargeScale : CGFloat = 0.2 26 | 27 | open var indicatorColor : UIColor = #colorLiteral(red: 0.9529411793, green: 0.6862745285, blue: 0.1333333403, alpha: 1) 28 | open var indicatorHeight : CGFloat = 2.0 29 | open var indicatorCornerRadius : CGFloat = 2.0 30 | open var hideIndicator : Bool = false 31 | 32 | open var segmentSelectIndex : Int = 0 33 | open var animationDuration : TimeInterval = 0.3 34 | 35 | public init() { 36 | 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /demo1.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VeinGuo/VGSegment/6a5ff0c450a2fb50495d627481ce64bae349ebaf/demo1.gif -------------------------------------------------------------------------------- /demo2.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/VeinGuo/VGSegment/6a5ff0c450a2fb50495d627481ce64bae349ebaf/demo2.gif --------------------------------------------------------------------------------