HMTextView

正则表达式参考和 Android 版本 (.kt)

示例

要运行示例项目，首先克隆仓库，然后从 Example 目录运行 pod install

要求

安装

手动

1. 克隆此仓库
2. 导航到项目文件夹
3. 将 源 拷贝到您的项目中

使用CocoaPods

HMTextView可通过CocoaPods获取。要安装它，只需将以下行添加到您的Podfile中

pod 'HMTextView'

用法

1. 在您想要使用HMTextView的类中导入import HMTextView。
2. 使用类HMTextView创建一个UITextView。
3. 如有必要，更新配置参数。

代码

在创建HMTextView的视图控制器中，例如名为hmTextView的

协议

HMTextView Specific
/// Returns all links in the text view
func links(hashtags: [String], mentions: [String])
/// Click event of a link
func clicked(on link: String, type: HMType)
/// When enter a'#' or '@'
func readyToEnter(link_with type: HMType)
/// When stopped entering a link
func stoppedEntering(link_with type: HMType)
/// When character limit reached
func charLimitReached()
/// If character limit will not be reached
func charLimitAvailable()
/// Chars written so far and remained char count
func chars(_ written: Int, _ remained: Int)

Common Methods
/// Same with textViewShouldBeginEditing
func shouldBeginEditing(_ textView: UITextView)
/// Same with textViewDidEndEditing
func didEndEditing(_ textView: UITextView)
/// Same with textViewDidBeginEditing
func didBeginEditing(_ textView: UITextView)
/// Same with textViewDidChangeSelection
func didChangeSelection(_ textView: UITextView)
/// Same with textViewShouldEndEditing
func shouldEndEditing(_ textView: UITextView)
/// Same with textViewDidChange
func didChange(_ textView: UITextView)
/// Same with shouldChangeTextIn
func shouldChangeTextIn(_ textView: UITextView,
                        _ range: NSRange,
                        _ replacementText: String,
                        _ returning: Bool)

配置

override func viewDidLoad() {
    super.viewDidLoad()
    
    hmTextViewDelegate = self
    
    hmTextView.textAttributes = [
        NSAttributedString.Key.foregroundColor: UIColor.white,
        NSAttributedString.Key.font: UIFont.systemFont(ofSize: 15)
    ]
    hmTextView.linkAttributes = [
        NSAttributedString.Key.foregroundColor: UIColor.red
    ]
    hmTextView.hashtagFont = UIFont.boldSystemFont(ofSize: 20)
    hmTextView.mentionFont = UIFont.boldSystemFont(ofSize: 12)
}

配置参数

/// Main regex for detecting hashtag and mention. You Can update this with your own.<br/>
public var regex = "(?<=\\s|^)([@#][\\p{L}\\d]+[._]\\p{L}+|[#@][\\p{L}\\d]*)(?=[']\\p{L}+|[.,;:?!](?:\\s|$)|\\s|$)"

/// Line spacing of the paragraph style.
public var lineSpacing: CGFloat = 0

/// Letter spacing of the paragraph style.
public var kern: CGFloat = 0.0

/// Allow links start with numbers.
public var allowLinksStartWithNumber: Bool = false

/// Set minimum character count for links.
public var minimumLinkCharCount: Int = 3

/// Turn this to false if you don't want to highlight hashtags.
public var detectHashtags: Bool = true

/// Turn this to false if you don't want to highlight mentions.
public var detectMentions: Bool = true

/// Updates the hashtag font.
public var hashtagFont: UIFont = UIFont.boldSystemFont(ofSize: 17)

/// Updates the mention font.
public var mentionFont: UIFont = UIFont.boldSystemFont(ofSize: 17)

/// Update general text attributes.
public var textAttributes = [
    NSAttributedString.Key.foregroundColor: UIColor.black,
    NSAttributedString.Key.font: UIFont.systemFont(ofSize: 17)
]

/// Update link attributes.
public var linkAttributes: [NSAttributedString.Key: Any]! {
    didSet {
        self.linkTextAttributes = self.linkAttributes
    }
}

/// Character count.
public var charCount: Int = -1

使用的资源

https://www.hackingwithswift.com/articles/108/how-to-use-regular-expressions-in-swift
https://stackoverflow.com/a/48938881
https://stackoverflow.com/a/24144365

作者

gokhanmandaci, [email protected]

许可证

HMTextView受MIT许可证的授权。更多信息请参阅LICENSE文件。