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Code Issues Packages Projects Releases Wiki Activity

Charts improvements

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This commit is contained in:
Ilya Laktyushin
2020-03-21 03:19:05 +04:00
parent c5d39df2b3
commit d6f0a02fc7
59 changed files with 4448 additions and 4271 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
submodules/GraphUI/Sources/ChartVisibilityView.swift
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@@ -17,9 +17,42 @@ private enum Constants {
static let insets = UIEdgeInsets(top: 0, left: 16, bottom: 16, right: 16)
}
struct ChartVisibilityItem {
public struct ChartVisibilityItem {
var title: String
var color: UIColor
public init(title: String, color: UIColor) {
self.title = title
self.color = color
}
}
public func calculateVisiblityHeight(width: CGFloat, items: [ChartVisibilityItem]) -> CGFloat {
let frames = generateItemsFrames(frame: CGRect(origin: CGPoint(), size: CGSize(width: width, height: CGFloat.greatestFiniteMagnitude)), items: items)
guard let lastFrame = frames.last else { return .zero }
return lastFrame.maxY + Constants.insets.bottom
}
private func generateItemsFrames(frame: CGRect, items: [ChartVisibilityItem]) -> [CGRect] {
var previousPoint = CGPoint(x: Constants.insets.left, y: Constants.insets.top)
var frames: [CGRect] = []
for item in items {
let labelSize = (item.title as NSString).size(withAttributes: [.font: ChartVisibilityItemView.textFont])
let width = (labelSize.width + Constants.labelTextApproxInsets).rounded(.up)
if previousPoint.x + width < (frame.width - Constants.insets.left - Constants.insets.right) {
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
} else if previousPoint.x <= Constants.insets.left {
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
} else {
previousPoint.y += Constants.itemHeight + Constants.itemSpacing
previousPoint.x = Constants.insets.left
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
}
previousPoint.x += width + Constants.itemSpacing
}
return frames
}
class ChartVisibilityView: UIView {
@@ -80,29 +113,7 @@ class ChartVisibilityView: UIView {
}
private var selectionViews: [ChartVisibilityItemView] = []
private func generateItemsFrames(frame: CGRect) -> [CGRect] {
var previousPoint = CGPoint(x: Constants.insets.left, y: Constants.insets.top)
var frames: [CGRect] = []
for item in items {
let labelSize = (item.title as NSString).size(withAttributes: [.font: ChartVisibilityItemView.textFont])
let width = (labelSize.width + Constants.labelTextApproxInsets).rounded(.up)
if previousPoint.x + width < (frame.width - Constants.insets.left - Constants.insets.right) {
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
} else if previousPoint.x <= Constants.insets.left {
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
} else {
previousPoint.y += Constants.itemHeight + Constants.itemSpacing
previousPoint.x = Constants.insets.left
frames.append(CGRect(origin: previousPoint, size: CGSize(width: width, height: Constants.itemHeight)))
}
previousPoint.x += width + Constants.itemSpacing
}
return frames
}
var selectionCallbackClosure: (([Bool]) -> Void)?
func setItemSelected(_ selected: Bool, at index: Int, animated: Bool) {
@@ -129,7 +140,7 @@ class ChartVisibilityView: UIView {
}
private func updateFrames() {
for (index, frame) in generateItemsFrames(frame: bounds).enumerated() {
for (index, frame) in generateItemsFrames(frame: bounds, items: self.items).enumerated() {
selectionViews[index].frame = frame
}
}
@@ -140,7 +151,7 @@ class ChartVisibilityView: UIView {
size.height = 0
return size
}
let frames = generateItemsFrames(frame: UIScreen.main.bounds)
let frames = generateItemsFrames(frame: UIScreen.main.bounds, items: self.items)
guard let lastFrame = frames.last else { return .zero }
let size = CGSize(width: frame.width, height: lastFrame.maxY + Constants.insets.bottom)
return size