84 lines
2.3 KiB
Swift
84 lines
2.3 KiB
Swift
import UIKit
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import CoreGraphics
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// MARK: White Triangle Popup Arrow
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@IBDesignable
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class PopupTriangle: UIView {
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@IBInspectable var rotation: CGFloat = 0
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@IBInspectable var color: UIColor = .black
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override func draw(_ rect: CGRect) {
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guard let c = UIGraphicsGetCurrentContext() else { return }
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let w = rect.width, h = rect.height
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switch rotation {
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case 90: // right
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c.lineFromTo(x1: 0, y1: 0, x2: w, y2: h/2)
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c.addLine(to: CGPoint(x: 0, y: h))
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case 180: // bottom
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c.lineFromTo(x1: w, y1: 0, x2: w/2, y2: h)
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c.addLine(to: CGPoint(x: 0, y: 0))
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case 270: // left
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c.lineFromTo(x1: w, y1: h, x2: 0, y2: h/2)
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c.addLine(to: CGPoint(x: w, y: 0))
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default: // top
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c.lineFromTo(x1: 0, y1: h, x2: w/2, y2: 0)
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c.addLine(to: CGPoint(x: w, y: h))
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}
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c.closePath()
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c.setFillColor(color.cgColor)
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c.fillPath()
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}
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}
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// MARK: Label as Tag Bubble
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@IBDesignable
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class TagLabel: UILabel {
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private var em: CGFloat { font.pointSize }
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@IBInspectable var padTop: CGFloat = 0
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@IBInspectable var padLeft: CGFloat = 0
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@IBInspectable var padRight: CGFloat = 0
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@IBInspectable var padBottom: CGFloat = 0
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private var padding: UIEdgeInsets {
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.init(top: padTop + em/6, left: padLeft + em/3,
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bottom: padBottom + em/6, right: padRight + em/3)
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}
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override func textRect(forBounds bounds: CGRect, limitedToNumberOfLines numberOfLines: Int) -> CGRect {
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let i = padding
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let ii = UIEdgeInsets(top: -i.top, left: -i.left, bottom: -i.bottom, right: -i.right)
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return super.textRect(forBounds: bounds.inset(by: i),
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limitedToNumberOfLines: numberOfLines).inset(by: ii)
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}
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override func drawText(in rect: CGRect) {
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layer.masksToBounds = true
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layer.cornerRadius = em/2.5
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super.drawText(in: rect.inset(by: padding))
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}
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}
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// MARK: Percentage meter
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@IBDesignable
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class MeterBar: UIView {
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@IBInspectable var percent: CGFloat = 0 { didSet { setNeedsDisplay() } }
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@IBInspectable var barColor: UIColor = .sysFg
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@IBInspectable var horizontal: Bool = false
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private var normPercent: CGFloat { 1 - max(0, min(percent, 1)) }
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override func draw(_ rect: CGRect) {
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let c = UIGraphicsGetCurrentContext()
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c?.setFillColor(barColor.cgColor)
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if horizontal {
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c?.fill(rect.insetBy(dx: normPercent * (rect.width/2), dy: 0))
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} else {
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c?.fill(rect.insetBy(dx: 0, dy: normPercent * (rect.height/2)))
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}
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}
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}
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