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3 files changed

+217
-5
lines changed

‎Example/SpringText/Base.lproj/Main.storyboard‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@
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<rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<subviews>
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="sIj-hc-Uk3" customClass="SPLabel" customModule="SpringText">
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<label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="sIj-hc-Uk3" customClass="TPCountLabel" customModule="SpringText">
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<rect key="frame" x="16" y="20" width="42" height="21"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<fontDescription key="fontDescription" type="system" pointSize="17"/>

‎Example/SpringText/ViewController.swift‎

Lines changed: 2 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -10,12 +10,10 @@ import UIKit
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import SpringText
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class ViewController: UIViewController {
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@IBOutlet weak var lblTitle: SPLabel!
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@IBOutlet weak var lblTitle: TPCountLabel!
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override func viewDidLoad() {
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super.viewDidLoad()
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lblTitle.text = "OK"
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lblTitle.updateDisplay()
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lblTitle.configure(with:10)
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}
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override func didReceiveMemoryWarning() {

‎SpringText/Classes/SPLabel.swift‎

Lines changed: 214 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -6,6 +6,220 @@
66
//
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88
import UIKit
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import QuartzCore
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extension UILabel {
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func textWidth() -> CGFloat {
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return UILabel.textWidth(label: self)
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}
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class func textWidth(label: UILabel) -> CGFloat {
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return textWidth(label: label, text: label.text!)
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}
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class func textWidth(label: UILabel, text: String) -> CGFloat {
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return textWidth(font: label.font, text: text)
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}
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class func textWidth(font: UIFont, text: String) -> CGFloat {
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let myText = text as NSString
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let rect = CGSize(width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude)
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let labelSize = myText.boundingRect(with: rect, options: .usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font: font], context: nil)
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return ceil(labelSize.width)
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}
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}
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extension TPCountLabel {
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func text(num: Int, hasWon: Bool = true) {
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self.hasWon = hasWon
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self.configure(with: num)
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self.animate()
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}
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}
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extension Int {
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var currency: String {
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let numberFormatter = NumberFormatter()
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numberFormatter.numberStyle = .decimal
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// numberFormatter.locale = App.shared.locale
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numberFormatter.maximumFractionDigits = 0
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return numberFormatter.string(from: NSNumber(value: self))?.currency ?? "0"
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}
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}
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extension String {
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var currency: String {
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let formatter = NumberFormatter()
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formatter.numberStyle = .decimal
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// formatter.locale = App.shared.locale
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formatter.maximumFractionDigits = 0
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let currencyString = formatter.string(from: formatter.number(from: self) ?? 0) ?? "0"
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// currencyString = currencyString + "원"
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return currencyString
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}
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}
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open class TPCountLabel: UILabel {
68+
var fullText = ""
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private var hasWon: Bool = true
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private var scrollLayers: [CAScrollLayer] = []
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private var scrollLabels: [UILabel] = []
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private let duration = 0.7
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private let durationOffset = 0.2
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private let textsNotAnimated = [","]
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public func configure(with number: Int) {
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let text = number.currency
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fullText = text
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clean()
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setupSubviews()
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}
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func animate(ascending: Bool = true) {
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createAnimations(ascending: ascending)
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}
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private func clean() {
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self.text = nil
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self.subviews.forEach { $0.removeFromSuperview() }
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self.layer.sublayers?.forEach { $0.removeFromSuperlayer() }
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scrollLayers.removeAll()
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scrollLabels.removeAll()
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}
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private func setupSubviews() {
97+
let stringArray = fullText.map { String($0) }
98+
var x: CGFloat = 0
99+
let y: CGFloat = 0
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if self.textAlignment == .center {
101+
if hasWon {
102+
self.text = "￦ \(fullText)"
103+
} else {
104+
self.text = fullText
105+
}
106+
let w = UILabel.textWidth(font: self.font, text: self.text ?? "")
107+
self.text = "" // 초기화
108+
x = -(w / 2)
109+
} else if self.textAlignment == .right {
110+
if hasWon {
111+
self.text = "￦ \(fullText)"
112+
} else {
113+
self.text = fullText
114+
}
115+
let w = UILabel.textWidth(font: self.font, text: self.text ?? "")
116+
self.text = "" // 초기화
117+
x = -w
118+
}
119+
120+
if hasWon {
121+
let wLabel = UILabel()
122+
wLabel.frame.origin = CGPoint(x: x, y: y)
123+
wLabel.textColor = textColor
124+
wLabel.font = font
125+
wLabel.text = "￦ "
126+
wLabel.textAlignment = .center
127+
wLabel.sizeToFit()
128+
self.addSubview(wLabel)
129+
x += wLabel.bounds.width
130+
}
131+
132+
stringArray.enumerated().forEach { index, text in
133+
if textsNotAnimated.contains(text) {
134+
// 콤마
135+
let label = UILabel()
136+
label.frame.origin = CGPoint(x: x, y: y)
137+
label.textColor = textColor
138+
label.font = font
139+
label.text = text
140+
label.textAlignment = .center
141+
label.sizeToFit()
142+
self.addSubview(label)
143+
144+
x += label.bounds.width
145+
} else {
146+
// 숫자
147+
let label = UILabel()
148+
label.frame.origin = CGPoint(x: x, y: y)
149+
label.textColor = textColor
150+
label.font = font
151+
label.text = "0"
152+
label.textAlignment = .center
153+
label.sizeToFit()
154+
createScrollLayer(to: label, text: text)
155+
156+
x += label.bounds.width
157+
}
158+
}
159+
}
160+
161+
private func createScrollLayer(to label: UILabel, text: String) {
162+
let scrollLayer = CAScrollLayer()
163+
scrollLayer.frame = label.frame
164+
scrollLayers.append(scrollLayer)
165+
self.layer.addSublayer(scrollLayer)
166+
167+
createContentForLayer(scrollLayer: scrollLayer, text: text)
168+
}
169+
170+
private func createContentForLayer(scrollLayer: CAScrollLayer, text: String) {
171+
var textsForScroll: [String] = []
172+
guard let number = Int(Int(text)?.currency ?? "0") else { return }
173+
textsForScroll.append("0")
174+
for i in 0...9 {
175+
let str = String((number + i) % 10)
176+
textsForScroll.append(Int(str)?.currency ?? "0")
177+
}
178+
textsForScroll.append(text)
179+
180+
var height: CGFloat = 0
181+
for text in textsForScroll {
182+
let label = UILabel()
183+
label.text = text
184+
label.textColor = textColor
185+
label.font = font
186+
label.textAlignment = .center
187+
label.frame = CGRect(x: 0, y: height, width: scrollLayer.frame.width, height: scrollLayer.frame.height)
188+
scrollLayer.addSublayer(label.layer)
189+
scrollLabels.append(label)
190+
// height = label.frame.maxY + 5
191+
height = label.frame.maxY
192+
}
193+
}
194+
195+
private func createAnimations(ascending: Bool) {
196+
var offset: CFTimeInterval = 0.0
197+
198+
for scrollLayer in scrollLayers {
199+
let maxY = scrollLayer.sublayers?.last?.frame.origin.y ?? 0.0
200+
201+
let animation = CABasicAnimation(keyPath: "sublayerTransform.translation.y")
202+
animation.duration = duration + offset
203+
// animation.timingFunction = CAMediaTimingFunction(name: .easeOut)
204+
205+
if ascending {
206+
animation.fromValue = maxY
207+
animation.toValue = 0
208+
} else {
209+
animation.fromValue = 0
210+
animation.toValue = maxY
211+
}
212+
213+
// scrollLayer.scrollMode = .vertically
214+
// custom key 설정
215+
scrollLayer.add(animation, forKey: nil)
216+
scrollLayer.scroll(to: CGPoint(x: 0, y: maxY))
217+
218+
offset += self.durationOffset
219+
}
220+
}
221+
}
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10224
open class SPLabel: UILabel {
11225
public func updateDisplay() {

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