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https://github.com/klaus01/centipede

Swift achieve a pure library closures achieve UIKit assembly delegate and dataSource methods.
https://github.com/klaus01/centipede

delegate extension swift

Last synced: 3 months ago
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Swift achieve a pure library closures achieve UIKit assembly delegate and dataSource methods.

Host: GitHub
URL: https://github.com/klaus01/centipede
Owner: klaus01
License: mit
Created: 2015-06-02T14:53:28.000Z (over 9 years ago)
Default Branch: master
Last Pushed: 2016-10-27T12:27:08.000Z (about 8 years ago)
Last Synced: 2024-10-29T06:03:51.306Z (3 months ago)
Topics: delegate, extension, swift
Language: Swift
Homepage:
Size: 454 KB
Stars: 28
Watchers: 3
Forks: 5
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

README

        # Centipede ![License MIT](https://img.shields.io/badge/license-MIT-green.svg?style=flat) ![CocoaPods](https://img.shields.io/cocoapods/v/Centipede.svg?style=flat) ![CocoaPods](http://img.shields.io/cocoapods/p/Centipede.svg?style=flat) ![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)

一个 Swift 库，使用闭包实现 UIKit 等组件的 delegate 和 dataSource 方法

# 使用

Xcode 8, Swift 3.0, iOS 8+

所有方法名称以`ce_`开头

```swift

// UITableView

let kCellReuseIdentifier = "MYCELL"

tableView.register(UITableViewCell.self, forCellReuseIdentifier: kCellReuseIdentifier)

tableView.ce_numberOfSections_in { (tableView) -> Int in

    return 3

}.ce_tableView_numberOfRowsInSection { (tableView, section) -> Int in

    return 5

}.ce_tableView_cellForRowAt { (tableView, indexPath) -> UITableViewCell in

    return tableView.dequeueReusableCell(withIdentifier: kCellReuseIdentifier, for: indexPath)

}.ce_tableView_willDisplay { (tableView, cell, indexPath) in

    cell.textLabel?.text = "\(indexPath.section) - \(indexPath.row)"

}.ce_scrollViewDidScroll { (scrollView) in

    print(scrollView.contentOffset)

}

// UIControl

button.ce_addControlEvents(.touchDown) { (control, touches) in

    print("TouchDown")

}.ce_addControlEvents(.touchUpInside) { (control, touches) in

    print("TouchUpInside")

}

button.ce_removeControlEvents(.touchDown)

textField.ce_addControlEvents([.editingChanged, .editingDidBegin]) { (control, touches) in

    print("TextChanged")

}

// UIBarButtonItem

let barButtonItem = UIBarButtonItem()

barButtonItem.action { (barButtonItem) in

    print("UIBarButtonItem action")

}

// UIGestureRecognizer

let gestureRecognizer = UIPanGestureRecognizer { (gestureRecognizer) in

    print(gestureRecognizer.state.rawValue)

}

self.view.addGestureRecognizer(gestureRecognizer)

```

#### 源码使用

将`Centipede`目录复制到您的项目中及可。

#### CocoaPods

```

platform :ios, '8.0'

use_frameworks!

pod 'Centipede'

```

#### Carthage

```

github "klaus01/Centipede"

```

#### 注意

使用闭包需要注意循环引用问题，Swift 使用 weak 或 unowned 解决循环引用问题

# 原由

在实现 delegate 的各个方法时：

- 方法遍布整个 ViewController，散乱。

- 具体的实现与成员变量被分开了，阅读时需要分开查看。

- 如果 ViewController 中实现多个 UITableViewDataSource 时，方法中需要判断组件来做出反应。如下：（这很丑）

```swift

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

    return tableView == leftTableView ? leftDatas.count : rightDatas.count

}

```

这些情况让代码不易阅读和维护。

**希望：**

- 代码连续。组件的构造、样式设置和各 delegate 实现方法可写在一个位置。

- 独立。有多个 UITableView 时，tableViewA 和tableViewB 的 delegate 方法实现是独立的，互不干扰。

# 实现列表

### UIKit `delegate` and `dataSource` method

- AVFoundation/AVAudioPlayer

- AVFoundation/AVAudioRecorder

- AVFoundation/AVSpeechSynthesizer

- CoreBluetooth/CBCentralManager

- CoreBluetooth/CBPeripheral

- CoreBluetooth/CBPeripheralManager

- CoreLocation/CLLocationManager

- ExternalAccessory/EAAccessory

- ExternalAccessory/EAWiFiUnconfiguredAccessoryBrowser

- Foundation/NSKeyedArchiver

- Foundation/NSKeyedUnarchiver

- Foundation/NSMetadataQuery

- Foundation/NSUserActivity

- Foundation/XMLParser

- GameKit/GKMatch

- GLKit/GLKView

- GLKit/GLKViewController

- iAd/ADBannerView

- iAd/ADInterstitialAd

- MapKit/MKMapView

- MediaPlayer/MPMediaPickerController

- MediaPlayer/MPPlayableContentManager

- MultipeerConnectivity/MCAdvertiserAssistant

- MultipeerConnectivity/MCBrowserViewController

- MultipeerConnectivity/MCNearbyServiceAdvertiser

- MultipeerConnectivity/MCNearbyServiceBrowser

- MultipeerConnectivity/MCSession

- PassKit/PKAddPassesViewController

- PassKit/PKPaymentAuthorizationViewController

- PushKit/PKPushRegistry

- QuartzCore/CAAnimation

- QuartzCore/CALayer

- QuickLook/QLPreviewController

- SceneKit/SCNProgram

- SpriteKit/SKScene

- StoreKit/SKProductsRequest

- StoreKit/SKRequest

- StoreKit/SKStoreProductViewController

- UIKit/NSLayoutManager

- UIKit/NSTextStorage

- UIKit/UIActionSheet

- UIKit/UIAlertView

- UIKit/UICollectionView

- UIKit/UIDocumentInteractionController

- UIKit/UIDocumentMenuViewController

- UIKit/UIDocumentPickerViewController

- UIKit/UIDynamicAnimator

- UIKit/UIGestureRecognizer

- UIKit/UIImagePickerController

- UIKit/UINavigationBar

- UIKit/UINavigationController

- UIKit/UIPageViewController

- UIKit/UIPickerView

- UIKit/UIPopoverController

- UIKit/UIPopoverPresentationController

- UIKit/UIPresentationController

- UIKit/UIPrinterPickerController

- UIKit/UIPrintInteractionController

- UIKit/UIScrollView

- UIKit/UISearchBar

- UIKit/UISearchController

- UIKit/UISplitViewController

- UIKit/UITabBar

- UIKit/UITabBarController

- UIKit/UITableView

- UIKit/UITextField

- UIKit/UITextView

- UIKit/UIToolbar

- UIKit/UIVideoEditorController

- UIKit/UIViewController

- UIKit/UIWebView

### Other add target action method

- UIControl

    - UIButton

    - UIDatePicker

    - UIPageControl

    - UIRefreshControl

    - UISegmentedControl

    - UISlider

    - UIStepper

    - UISwitch

    - UITextField

- UIBarButtonItem

- UIGestureRecognizer

# License

Centipede is released under the MIT license. See LICENSE for details.