mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
583 lines
26 KiB
Swift
583 lines
26 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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import ComponentFlow
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import SwiftSignalKit
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import ViewControllerComponent
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import ComponentDisplayAdapters
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import TelegramPresentationData
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import AccountContext
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import TelegramCore
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import MultilineTextComponent
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import EmojiStatusComponent
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import Postbox
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private func interpolateChartData(start: PieChartComponent.ChartData, end: PieChartComponent.ChartData, progress: CGFloat) -> PieChartComponent.ChartData {
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if start.items.count != end.items.count {
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return start
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}
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var result = end
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for i in 0 ..< result.items.count {
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result.items[i].value = (1.0 - progress) * start.items[i].value + progress * end.items[i].value
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result.items[i].color = start.items[i].color.interpolateTo(end.items[i].color, fraction: progress) ?? end.items[i].color
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}
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return result
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}
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private func processChartData(data: PieChartComponent.ChartData) -> PieChartComponent.ChartData {
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var data = data
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let minValue: Double = 0.01
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var totalSum: CGFloat = 0.0
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for i in 0 ..< data.items.count {
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if data.items[i].value > 0.00001 {
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data.items[i].value = max(data.items[i].value, minValue)
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}
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totalSum += data.items[i].value
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}
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var hasOneItem = false
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for i in 0 ..< data.items.count {
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if data.items[i].value != 0 && totalSum == data.items[i].value {
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data.items[i].value = 1.0
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hasOneItem = true
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break
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}
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}
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if !hasOneItem {
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if abs(totalSum - 1.0) > 0.0001 {
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let deltaValue = totalSum - 1.0
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var availableSum: Double = 0.0
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for i in 0 ..< data.items.count {
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let itemValue = data.items[i].value
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let availableItemValue = max(0.0, itemValue - minValue)
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if availableItemValue > 0.0 {
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availableSum += availableItemValue
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}
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}
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totalSum = 0.0
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let itemFraction = deltaValue / availableSum
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for i in 0 ..< data.items.count {
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let itemValue = data.items[i].value
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let availableItemValue = max(0.0, itemValue - minValue)
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if availableItemValue > 0.0 {
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let itemDelta = availableItemValue * itemFraction
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data.items[i].value -= itemDelta
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}
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totalSum += data.items[i].value
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}
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}
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if totalSum > 0.0 && totalSum < 1.0 - 0.0001 {
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for i in 0 ..< data.items.count {
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data.items[i].value /= totalSum
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}
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}
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}
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return data
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}
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private let chartLabelFont = Font.with(size: 16.0, design: .round, weight: .semibold)
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private final class ChartLabel: UIView {
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private let label: ImmediateTextView
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private var currentText: String?
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override init(frame: CGRect) {
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self.label = ImmediateTextView()
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super.init(frame: frame)
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self.addSubview(self.label)
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}
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required init(coder: NSCoder) {
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preconditionFailure()
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}
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func update(text: String) -> CGSize {
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if self.currentText == text {
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return self.label.bounds.size
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}
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var snapshotView: UIView?
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if self.currentText != nil {
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snapshotView = self.label.snapshotView(afterScreenUpdates: false)
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snapshotView?.frame = self.label.frame
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}
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self.currentText = text
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self.label.attributedText = NSAttributedString(string: text, font: chartLabelFont, textColor: .white)
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let size = self.label.updateLayout(CGSize(width: 100.0, height: 100.0))
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self.label.frame = CGRect(origin: CGPoint(x: floor(-size.width * 0.5), y: floor(-size.height * 0.5)), size: size)
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if let snapshotView {
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self.addSubview(snapshotView)
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snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak snapshotView] _ in
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snapshotView?.removeFromSuperview()
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})
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snapshotView.layer.animateScale(from: 1.0, to: 0.001, duration: 0.2, removeOnCompletion: false)
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self.label.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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self.label.layer.animateScale(from: 0.001, to: 1.0, duration: 0.2)
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}
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return size
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}
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}
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final class PieChartComponent: Component {
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struct ChartData: Equatable {
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struct Item: Equatable {
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var id: StorageUsageScreenComponent.Category
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var displayValue: Double
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var value: Double
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var color: UIColor
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init(id: StorageUsageScreenComponent.Category, displayValue: Double, value: Double, color: UIColor) {
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self.id = id
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self.displayValue = displayValue
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self.value = value
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self.color = color
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}
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}
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var items: [Item]
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init(items: [Item]) {
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self.items = items
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}
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}
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let theme: PresentationTheme
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let chartData: ChartData
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init(
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theme: PresentationTheme,
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chartData: ChartData
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) {
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self.theme = theme
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self.chartData = chartData
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}
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static func ==(lhs: PieChartComponent, rhs: PieChartComponent) -> Bool {
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if lhs.theme !== rhs.theme {
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return false
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}
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if lhs.chartData != rhs.chartData {
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return false
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}
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return true
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}
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private final class ChartDataView: UIView {
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private(set) var theme: PresentationTheme?
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private(set) var data: ChartData?
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private(set) var selectedKey: StorageUsageScreenComponent.Category?
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private var currentAnimation: (start: ChartData, end: ChartData, current: ChartData, progress: CGFloat)?
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private var animator: DisplayLinkAnimator?
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private var labels: [StorageUsageScreenComponent.Category: ChartLabel] = [:]
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override init(frame: CGRect) {
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super.init(frame: frame)
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self.backgroundColor = nil
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self.isOpaque = false
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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self.animator?.invalidate()
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}
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func setItems(theme: PresentationTheme, data: ChartData, selectedKey: StorageUsageScreenComponent.Category?, animated: Bool) {
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let data = processChartData(data: data)
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if self.theme !== theme || self.data != data || self.selectedKey != selectedKey {
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self.theme = theme
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self.selectedKey = selectedKey
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if animated, let previous = self.data {
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var initialState = previous
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if let currentAnimation = self.currentAnimation {
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initialState = currentAnimation.current
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}
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self.currentAnimation = (initialState, data, initialState, 0.0)
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self.animator?.invalidate()
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self.animator = DisplayLinkAnimator(duration: 0.4, from: 0.0, to: 1.0, update: { [weak self] progress in
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guard let self else {
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return
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}
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let progress = listViewAnimationCurveSystem(progress)
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if let currentAnimationValue = self.currentAnimation {
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self.currentAnimation = (currentAnimationValue.start, currentAnimationValue.end, interpolateChartData(start: currentAnimationValue.start, end: currentAnimationValue.end, progress: progress), progress)
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self.setNeedsDisplay()
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}
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}, completion: { [weak self] in
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guard let self else {
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return
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}
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self.currentAnimation = nil
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self.setNeedsDisplay()
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})
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}
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self.data = data
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self.setNeedsDisplay()
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}
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}
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override func draw(_ rect: CGRect) {
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guard let context = UIGraphicsGetCurrentContext() else {
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return
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}
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guard let _ = self.theme, let data = self.currentAnimation?.current ?? self.data else {
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return
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}
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if data.items.isEmpty {
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return
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}
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let innerDiameter: CGFloat = 100.0
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let spacing: CGFloat = 2.0
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let innerAngleSpacing: CGFloat = spacing / (innerDiameter * 0.5)
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//let minAngle: CGFloat = innerAngleSpacing * 2.0 + 2.0 / (innerDiameter * 0.5)
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var angles: [Double] = []
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for i in 0 ..< data.items.count {
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let item = data.items[i]
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let angle = item.value * CGFloat.pi * 2.0
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angles.append(angle)
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}
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let diameter: CGFloat = 200.0
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let reducedDiameter: CGFloat = 170.0
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var startAngle: CGFloat = 0.0
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for i in 0 ..< data.items.count {
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let item = data.items[i]
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let itemOuterDiameter: CGFloat
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if let selectedKey = self.selectedKey {
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if selectedKey == item.id {
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itemOuterDiameter = diameter
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} else {
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itemOuterDiameter = reducedDiameter
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}
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} else {
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itemOuterDiameter = diameter
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}
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let shapeLayerFrame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: diameter, height: diameter))
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let angleSpacing: CGFloat = spacing / (itemOuterDiameter * 0.5)
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let angleValue: CGFloat = angles[i]
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let innerStartAngle = startAngle + innerAngleSpacing * 0.5
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var innerEndAngle = startAngle + angleValue - innerAngleSpacing * 0.5
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innerEndAngle = max(innerEndAngle, innerStartAngle)
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let outerStartAngle = startAngle + angleSpacing * 0.5
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var outerEndAngle = startAngle + angleValue - angleSpacing * 0.5
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outerEndAngle = max(outerEndAngle, outerStartAngle)
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let path = CGMutablePath()
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path.addArc(center: CGPoint(x: diameter * 0.5, y: diameter * 0.5), radius: innerDiameter * 0.5, startAngle: innerEndAngle, endAngle: innerStartAngle, clockwise: true)
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path.addArc(center: CGPoint(x: diameter * 0.5, y: diameter * 0.5), radius: itemOuterDiameter * 0.5, startAngle: outerStartAngle, endAngle: outerEndAngle, clockwise: false)
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context.addPath(path)
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context.setFillColor(item.color.cgColor)
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context.fillPath()
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startAngle += angleValue
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let fractionValue: Double = floor(item.displayValue * 100.0 * 10.0) / 10.0
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let fractionString: String
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if fractionValue < 0.1 {
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fractionString = "<0.1"
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} else if abs(Double(Int(fractionValue)) - fractionValue) < 0.001 {
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fractionString = "\(Int(fractionValue))"
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} else {
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fractionString = "\(fractionValue)"
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}
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let label: ChartLabel
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if let current = self.labels[item.id] {
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label = current
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} else {
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label = ChartLabel()
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self.labels[item.id] = label
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}
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let labelSize = label.update(text: "\(fractionString)%")
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var labelFrame: CGRect?
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if angleValue >= 0.001 {
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for step in 0 ... 20 {
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let stepFraction: CGFloat = CGFloat(step) / 20.0
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let centerOffset: CGFloat = 0.5 * (1.0 - stepFraction) + 0.65 * stepFraction
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let midAngle: CGFloat = (innerStartAngle + innerEndAngle) * 0.5
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let centerDistance: CGFloat = (innerDiameter * 0.5 + (diameter * 0.5 - innerDiameter * 0.5) * centerOffset)
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let relLabelCenter = CGPoint(
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x: cos(midAngle) * centerDistance,
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y: sin(midAngle) * centerDistance
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)
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let labelCenter = CGPoint(
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x: shapeLayerFrame.midX + relLabelCenter.x,
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y: shapeLayerFrame.midY + relLabelCenter.y
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)
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func lineCircleIntersection(_ center: CGPoint, _ p1: CGPoint, _ p2: CGPoint, _ r: CGFloat) -> CGFloat {
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let dx: CGFloat = p2.x - p1.x
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let dy: CGFloat = p2.y - p1.y
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let dr: CGFloat = sqrt(dx * dx + dy * dy)
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let D: CGFloat = p1.x * p2.y - p2.x * p1.y
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var minDistance: CGFloat = 10000.0
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for i in 0 ..< 2 {
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let signFactor: CGFloat = i == 0 ? 1.0 : (-1.0)
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let dysign: CGFloat = dy < 0.0 ? -1.0 : 1.0
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let ix: CGFloat = (D * dy + signFactor * dysign * dx * sqrt(r * r * dr * dr - D * D)) / (dr * dr)
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let iy: CGFloat = (-D * dx + signFactor * abs(dy) * sqrt(r * r * dr * dr - D * D)) / (dr * dr)
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let distance: CGFloat = sqrt(pow(ix - center.x, 2.0) + pow(iy - center.y, 2.0))
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minDistance = min(minDistance, distance)
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}
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return minDistance
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}
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func lineLineIntersection(_ p1: CGPoint, _ p2: CGPoint, _ p3: CGPoint, _ p4: CGPoint) -> CGFloat {
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let x1 = p1.x
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let y1 = p1.y
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let x2 = p2.x
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let y2 = p2.y
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let x3 = p3.x
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let y3 = p3.y
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let x4 = p4.x
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let y4 = p4.y
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let d: CGFloat = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4)
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if abs(d) <= 0.00001 {
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return 10000.0
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}
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let px: CGFloat = ((x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4)) / d
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let py: CGFloat = ((x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4)) / d
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let distance: CGFloat = sqrt(pow(px - p1.x, 2.0) + pow(py - p1.y, 2.0))
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return distance
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}
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let intersectionOuterTopRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), diameter * 0.5)
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let intersectionInnerTopRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), innerDiameter * 0.5)
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let intersectionOuterBottomRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), diameter * 0.5)
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let intersectionInnerBottomRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), innerDiameter * 0.5)
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let horizontalInset: CGFloat = 2.0
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let intersectionOuterLeft = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y), diameter * 0.5) - horizontalInset
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let intersectionInnerLeft = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y), innerDiameter * 0.5) - horizontalInset
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let intersectionLine1TopRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerStartAngle), y: sin(innerStartAngle)))
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let intersectionLine1BottomRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerStartAngle), y: sin(innerStartAngle)))
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let intersectionLine2TopRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerEndAngle), y: sin(innerEndAngle)))
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let intersectionLine2BottomRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerEndAngle), y: sin(innerEndAngle)))
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var distances: [CGFloat] = [
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intersectionOuterTopRight,
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intersectionInnerTopRight,
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intersectionOuterBottomRight,
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intersectionInnerBottomRight,
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intersectionOuterLeft,
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intersectionInnerLeft
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]
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if angleValue < CGFloat.pi / 2.0 {
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distances.append(contentsOf: [
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intersectionLine1TopRight,
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intersectionLine1BottomRight,
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intersectionLine2TopRight,
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intersectionLine2BottomRight
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] as [CGFloat])
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}
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var minDistance: CGFloat = 1000.0
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for distance in distances {
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minDistance = min(minDistance, max(distance, 1.0))
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}
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let diagonalAngle = atan2(labelSize.height, labelSize.width)
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let maxHalfWidth = cos(diagonalAngle) * minDistance
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let maxHalfHeight = sin(diagonalAngle) * minDistance
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let maxSize = CGSize(width: maxHalfWidth * 2.0, height: maxHalfHeight * 2.0)
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let finalSize = CGSize(width: min(labelSize.width, maxSize.width), height: min(labelSize.height, maxSize.height))
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let currentFrame = CGRect(origin: CGPoint(x: labelCenter.x - finalSize.width * 0.5, y: labelCenter.y - finalSize.height * 0.5), size: finalSize)
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if finalSize.width >= labelSize.width {
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labelFrame = currentFrame
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break
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}
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if let labelFrame {
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if labelFrame.width > finalSize.width {
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continue
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}
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}
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labelFrame = currentFrame
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}
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} else {
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let midAngle: CGFloat = (innerStartAngle + innerEndAngle) * 0.5
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let centerDistance: CGFloat = (innerDiameter * 0.5 + (diameter * 0.5 - innerDiameter * 0.5) * 0.5)
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let relLabelCenter = CGPoint(
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x: cos(midAngle) * centerDistance,
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y: sin(midAngle) * centerDistance
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)
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let labelCenter = CGPoint(
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x: shapeLayerFrame.midX + relLabelCenter.x,
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y: shapeLayerFrame.midY + relLabelCenter.y
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)
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let minSize = labelSize.aspectFitted(CGSize(width: 4.0, height: 4.0))
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labelFrame = CGRect(origin: CGPoint(x: labelCenter.x - minSize.width * 0.5, y: labelCenter.y - minSize.height * 0.5), size: minSize)
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}
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|
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let labelView = label
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if let labelFrame {
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var animateIn: Bool = false
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if labelView.superview == nil {
|
|
animateIn = true
|
|
self.addSubview(labelView)
|
|
}
|
|
|
|
var labelScale = labelFrame.width / labelSize.width
|
|
|
|
let normalAlpha: CGFloat = labelScale < 0.4 ? 0.0 : 1.0
|
|
|
|
var relLabelCenter = CGPoint(
|
|
x: labelFrame.midX - shapeLayerFrame.midX,
|
|
y: labelFrame.midY - shapeLayerFrame.midY
|
|
)
|
|
|
|
let labelAlpha: CGFloat
|
|
if let selectedKey = self.selectedKey {
|
|
if selectedKey == item.id {
|
|
labelAlpha = normalAlpha
|
|
} else {
|
|
labelAlpha = 0.0
|
|
|
|
let reducedFactor: CGFloat = (reducedDiameter - innerDiameter) / (diameter - innerDiameter)
|
|
let reducedDiameterFactor: CGFloat = reducedDiameter / diameter
|
|
|
|
labelScale *= reducedFactor
|
|
|
|
relLabelCenter.x *= reducedDiameterFactor
|
|
relLabelCenter.y *= reducedDiameterFactor
|
|
}
|
|
} else {
|
|
labelAlpha = normalAlpha
|
|
}
|
|
if labelView.alpha != labelAlpha {
|
|
let transition: Transition
|
|
if animateIn {
|
|
transition = .immediate
|
|
} else {
|
|
transition = Transition(animation: .curve(duration: 0.18, curve: .easeInOut))
|
|
}
|
|
transition.setAlpha(view: labelView, alpha: labelAlpha)
|
|
}
|
|
|
|
let labelCenter = CGPoint(
|
|
x: shapeLayerFrame.midX + relLabelCenter.x,
|
|
y: shapeLayerFrame.midY + relLabelCenter.y
|
|
)
|
|
|
|
labelView.center = labelCenter
|
|
labelView.transform = CGAffineTransformMakeScale(labelScale, labelScale)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
class View: UIView {
|
|
private let dataView: ChartDataView
|
|
private var labels: [StorageUsageScreenComponent.Category: ComponentView<Empty>] = [:]
|
|
var selectedKey: StorageUsageScreenComponent.Category?
|
|
|
|
private weak var state: EmptyComponentState?
|
|
|
|
override init(frame: CGRect) {
|
|
self.dataView = ChartDataView()
|
|
|
|
super.init(frame: frame)
|
|
|
|
self.addSubview(self.dataView)
|
|
|
|
self.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tapGesture(_:))))
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
@objc private func tapGesture(_ recognizer: UITapGestureRecognizer) {
|
|
if case .ended = recognizer.state {
|
|
let point = recognizer.location(in: self)
|
|
let _ = point
|
|
/*for (key, layer) in self.shapeLayers {
|
|
if layer.frame.contains(point), let path = layer.path {
|
|
if path.contains(self.layer.convert(point, to: layer)) {
|
|
if self.selectedKey == key {
|
|
self.selectedKey = nil
|
|
} else {
|
|
self.selectedKey = key
|
|
}
|
|
|
|
self.state?.updated(transition: Transition(animation: .curve(duration: 0.3, curve: .spring)))
|
|
|
|
break
|
|
}
|
|
}
|
|
}*/
|
|
}
|
|
}
|
|
|
|
func update(component: PieChartComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
|
|
self.state = state
|
|
|
|
transition.setFrame(view: self.dataView, frame: CGRect(origin: CGPoint(x: floor((availableSize.width - 200.0) / 2.0), y: 0.0), size: CGSize(width: 200.0, height: 200.0)))
|
|
self.dataView.setItems(theme: component.theme, data: component.chartData, selectedKey: self.selectedKey, animated: !transition.animation.isImmediate)
|
|
|
|
return CGSize(width: availableSize.width, height: 200.0)
|
|
}
|
|
}
|
|
|
|
func makeView() -> View {
|
|
return View(frame: CGRect())
|
|
}
|
|
|
|
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
|
|
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
|
|
}
|
|
}
|