125 lines
3.3 KiB
Swift
125 lines
3.3 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 DocumentControlItemView: 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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enum ViewType: String {
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case imageView
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case label
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case separator
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case highlightView
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}
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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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private func box(_ bounds: CGRect) -> Box<ViewType> {
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Box {
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let padding: CGFloat = 18.0
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let imageSize: CGFloat = 24.0
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let ibounds = bounds.inset(by: layoutMargins)
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let imageRect = CGRect(
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x: ibounds.minX + 6.0, y: 0.0,
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width: imageSize, height: imageSize
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).centeredY(inRect: bounds)
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(ViewType.imageView, imageRect)
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(ViewType.highlightView, bounds)
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(ViewType.label, CGRect(
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x: imageRect.maxX + padding, y: ibounds.minY,
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width: ibounds.width - imageRect.maxX - padding, height: ibounds.height
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))
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let separatorHeight: CGFloat = 1.0
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if drawsBottomSeparator {
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(ViewType.separator, CGRect(
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x: bounds.minX, y: bounds.height - separatorHeight,
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width: bounds.width, height: separatorHeight
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))
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} else {
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(ViewType.separator, CGRect.zero)
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}
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}
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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box(bounds).fill([
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.imageView : imageView,
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.separator : separatorView,
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.label : label,
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.highlightView : highlightView
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])
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separatorView.isHidden = !drawsBottomSeparator
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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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public func title(_ title: String) -> Self {
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self.label.text = title
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return self
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}
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public func image(_ image: UIImage?) -> Self {
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self.imageView.image = image
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return self
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}
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public func symbol(_ name: String) -> Self {
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return self.image(UIImage(systemName: name))
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}
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}
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