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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // | ||
| // DossyText.swift | ||
| // DossyText | ||
| // | ||
| // Created by Joey Nelson on 7/9/17. | ||
| // Copyright © 2017 NelsonJE. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
|
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||
| @objc | ||
| public protocol DossyTextLabelDelegate { | ||
| @objc optional func DossyTextLabel(_ label: DossyTextLabel, didFinishTypingText text: String) | ||
| @objc optional func didFinishBlinking(_ label: DossyTextLabel) | ||
| } | ||
|
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| open class DossyTextLabel: UILabel { | ||
|
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| private enum LabelState { | ||
| case typing | ||
| case blinking | ||
| case idle | ||
| } | ||
|
|
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| // MARK: - Properties | ||
|
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| //Public | ||
| public var delegate: DossyTextLabelDelegate? | ||
| public var blinksWhileIdle: Bool = true | ||
| public var millisecondsPerLetter = 70 | ||
|
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| // Private | ||
| private var state: LabelState = .idle | ||
| private var mostRecentAddition: String = "" | ||
| private var currentText: String = "" | ||
| private var fullText: String = "" | ||
| private var blinkingText: String = "" | ||
| private var blinking = false | ||
| private var timer: Timer! | ||
|
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| // MARK: - Blinking | ||
| public func blinkIndefinitely() { | ||
| state = .blinking | ||
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| blink() | ||
|
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| blinking = true | ||
| } | ||
|
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| public func blink(forInterval interval: TimeInterval) { | ||
| blinkIndefinitely() | ||
| timer = Timer.scheduledTimer(timeInterval: interval, target: self, selector: #selector(stopBlinking), userInfo: nil, repeats: false) | ||
| } | ||
|
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| private func blink(_ repeats: Bool = true) { | ||
| DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(250)) { | ||
| if self.text == self.blinkingText { | ||
| self.text = "\(self.blinkingText)█" | ||
| } else { | ||
| self.text = self.blinkingText | ||
| } | ||
|
|
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| if self.state == .blinking && repeats { | ||
| self.blink() | ||
| } else { | ||
| self.delegate?.didFinishBlinking?(self) | ||
| } | ||
| } | ||
| } | ||
|
|
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| public func stopBlinking() { | ||
| state = .idle | ||
| } | ||
|
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|
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| // MARK: - Typing | ||
| public func type(_ stringToType: String) { | ||
| state = .typing | ||
| mostRecentAddition = stringToType | ||
| fullText = "\(fullText)\(stringToType)" | ||
| type() | ||
| } | ||
|
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| private func type() { | ||
| if fullText == currentText { | ||
| typingEnded() | ||
| return | ||
| } | ||
|
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| DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(millisecondsPerLetter)) { | ||
| let stripped = self.fullText.replacingOccurrences(of: self.currentText, with: "") | ||
| guard let char = stripped.characters.first else { return } | ||
| self.currentText = self.currentText + String(describing: char) | ||
| self.text = self.currentText | ||
| self.type() | ||
| } | ||
| } | ||
|
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| private func typingEnded() { | ||
| blinkingText = fullText | ||
|
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| if blinksWhileIdle { | ||
| blinkIndefinitely() | ||
| } else { | ||
| state = .idle | ||
| } | ||
|
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| delegate?.DossyTextLabel?(self, didFinishTypingText: mostRecentAddition) | ||
| } | ||
|
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| // MARK: - Idling | ||
| public func idle(){ | ||
| stopBlinking() | ||
| text = fullText | ||
| state = .idle | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // | ||
| // View.swift | ||
| // DossyText | ||
| // | ||
| // Created by Joey Nelson on 7/9/17. | ||
| // Copyright © 2017 NelsonJE. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| // | ||
| // BaseView.swift | ||
| // | ||
|
|
||
| import UIKit | ||
|
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| class View: UIView { | ||
|
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| // MARK: - Properties | ||
|
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| // MARK: - Subviews | ||
| var blink: DossyTextLabel! | ||
|
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| // MARK: - Initialization | ||
|
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| convenience init() { | ||
| self.init(frame: .zero) | ||
| configureSubviews() | ||
| configureLayout() | ||
| } | ||
|
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| /// Set view/subviews appearances | ||
| fileprivate func configureSubviews() { | ||
| backgroundColor = UIColor.fromHex(rgbValue: 0x181818) | ||
|
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| blink = DossyTextLabel() | ||
| blink.textColor = UIColor.fromHex(rgbValue: 0x1DB954) | ||
| blink.numberOfLines = 0 | ||
| } | ||
|
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| /// Add subviews, set layoutMargins, initialize stored constraints, set layout priorities, activate constraints | ||
| fileprivate func configureLayout() { | ||
|
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| addSubview(blink) | ||
| blink.translatesAutoresizingMaskIntoConstraints = false | ||
|
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| // Activate NSLayoutAnchors within this closure | ||
| NSLayoutConstraint.activate([ | ||
| blink.topAnchor.constraint(equalTo: topAnchor, constant: 25), | ||
| blink.leftAnchor.constraint(equalTo: leftAnchor, constant: 25), | ||
| blink.rightAnchor.constraint(equalTo: rightAnchor, constant: -25) | ||
| ]) | ||
| } | ||
| } | ||
|
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| extension UIColor{ | ||
| class func fromHex(rgbValue:UInt32, alpha:Double=1.0) -> UIColor{ | ||
| let red = CGFloat((rgbValue & 0xFF0000) >> 16)/256.0 | ||
| let green = CGFloat((rgbValue & 0xFF00) >> 8)/256.0 | ||
| let blue = CGFloat(rgbValue & 0xFF)/256.0 | ||
|
|
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| return UIColor(red:red, green:green, blue:blue, alpha:CGFloat(alpha)) | ||
| } | ||
| } |
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