60 lines
2 KiB
Swift
60 lines
2 KiB
Swift
//
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// ProgressView.swift
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// Twigs
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//
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// Created by Billy Brawner on 10/20/19.
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// Copyright © 2019 William Brawner. All rights reserved.
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//
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import SwiftUI
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struct ProgressView: View {
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var value: Float
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var maxValue: Float = 100.0
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var progressTintColor: Color = .blue
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var progressBarHeight: Float = 20
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var progressBarCornerRadius: Float = 4.0
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@State
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var progressBarWidth: CGFloat = 0.0
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var body: some View {
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GeometryReader { geometry in
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ZStack(alignment: .leading) {
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Rectangle()
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.opacity(0.1)
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Rectangle()
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.frame(width: getProgressBarWidth(geometry: geometry))
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.opacity(0.5)
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.background(self.progressTintColor)
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.animation(.default, value: progressBarWidth)
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.onAppear {
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self.progressBarWidth = getProgressBarWidth(geometry: geometry)
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}
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}.frame(height: CGFloat(self.progressBarHeight))
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.cornerRadius(CGFloat(self.progressBarCornerRadius))
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}
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}
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private func getProgressBarWidth(geometry: GeometryProxy) -> CGFloat {
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let frame = geometry.frame(in: .global)
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return max(0, frame.size.width * min(CGFloat(value / maxValue), CGFloat(1)))
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}
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}
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struct ProgressView_Previews: PreviewProvider {
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static var previews: some View {
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VStack {
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Text("0%")
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ProgressView(value: 1.0, maxValue: 0.0, progressTintColor: .red)
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Text("25%")
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ProgressView(value: 1.0, maxValue: 4.0, progressTintColor: .green)
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Text("50%")
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ProgressView(value: 1.0, maxValue: 2.0, progressTintColor: .blue)
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Text("66%")
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ProgressView(value: 2.0, maxValue: 3.0, progressTintColor: .orange)
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Text("150%")
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ProgressView(value: 150.0, maxValue: 100.0, progressTintColor: .purple)
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}.padding(50)
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}
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}
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