88 lines
2.4 KiB
Swift
88 lines
2.4 KiB
Swift
//
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// DocumentControlView.swift
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// App
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//
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// Created by James Magahern on 9/30/20.
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//
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import UIKit
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class DocumentControlView: UIControl
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{
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static public let controlHeight = CGFloat(48.0)
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let imageView = UIImageView(frame: .zero)
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let label = UILabel(frame: .zero)
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var drawsBottomSeparator: Bool = false {
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didSet { setNeedsLayout() }
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}
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internal let highlightView = UIView(frame: .zero)
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internal let separatorView = UIView(frame: .zero)
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init() {
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super.init(frame: .zero)
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addSubview(highlightView)
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addSubview(imageView)
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addSubview(label)
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addSubview(separatorView)
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tintColor = .label
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label.font = UIFont.preferredFont(forTextStyle: .body)
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label.textAlignment = .left
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imageView.contentMode = .center
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separatorView.backgroundColor = .secondarySystemFill
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highlightView.backgroundColor = .secondarySystemFill
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highlightView.isHidden = true
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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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override func sizeThatFits(_ size: CGSize) -> CGSize {
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CGSize(width: size.width, height: Self.controlHeight)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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highlightView.frame = bounds
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let padding: CGFloat = 18.0
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let imageSize: CGFloat = 24.0
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let bounds = self.bounds.inset(by: layoutMargins)
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imageView.frame = CGRect(
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x: bounds.minX, y: 0.0,
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width: imageSize, height: imageSize
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).centeredY(inRect: self.bounds)
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label.frame = CGRect(
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x: imageView.frame.maxX + padding, y: bounds.minY,
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width: bounds.width - imageView.frame.maxX - padding, height: bounds.height
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)
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let separatorHeight: CGFloat = 1.0
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if drawsBottomSeparator {
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separatorView.isHidden = false
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separatorView.frame = CGRect(
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x: self.bounds.minX, y: self.bounds.height - separatorHeight,
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width: self.bounds.width, height: separatorHeight
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)
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} else {
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separatorView.isHidden = true
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}
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}
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override func setTracking(_ tracking: Bool) {
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super.setTracking(tracking)
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highlightView.isHidden = !tracking
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}
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}
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