60 lines
1.8 KiB
Swift
60 lines
1.8 KiB
Swift
//
|
|
// Slider.swift
|
|
// VDSSample
|
|
//
|
|
// Created by Matt Bruce on 6/15/23.
|
|
//
|
|
|
|
import Foundation
|
|
import UIKit
|
|
import VDS
|
|
|
|
class Slider: Control {
|
|
var textField = NumericField().with { $0.translatesAutoresizingMaskIntoConstraints = false }
|
|
var range = UISlider().with { $0.translatesAutoresizingMaskIntoConstraints = false }
|
|
var maximumValue: Float = 0.0 { didSet { range.maximumValue = maximumValue }}
|
|
var minimumValue: Float = 0.0 { didSet { range.minimumValue = minimumValue }}
|
|
var value: Float = 0.0 { didSet { range.value = value; setNeedsUpdate() }}
|
|
override func setup() {
|
|
addSubview(textField)
|
|
addSubview(range)
|
|
textField.pinTop()
|
|
textField.pinBottom()
|
|
textField.pinLeading()
|
|
textField.heightAnchor.constraint(equalToConstant: 44).isActive = true
|
|
textField.widthAnchor.constraint(equalToConstant: 75).isActive = true
|
|
textField.pinTrailing(range.leadingAnchor, 10)
|
|
range.pinTop()
|
|
range.pinBottom()
|
|
range.pinTrailing()
|
|
|
|
range.thumbTintColor = .systemBlue
|
|
range.publisher(for: .valueChanged).sink { [weak self] slider in
|
|
self?.valueChanged(newValue: slider.value)
|
|
}.store(in: &subscribers)
|
|
|
|
textField.resignAction = { [weak self] textField in
|
|
guard let self else { return }
|
|
if let text = textField.text, let n = NumberFormatter().number(from: text) {
|
|
valueChanged(newValue: n.floatValue)
|
|
}
|
|
}
|
|
}
|
|
|
|
override func updateView() {
|
|
textField.text = String(format: "%.2f", value)
|
|
}
|
|
|
|
private func valueChanged(newValue: Float) {
|
|
value = newValue
|
|
sendActions(for: .valueChanged)
|
|
}
|
|
|
|
}
|
|
|
|
extension NSNumber {
|
|
public var cgFloatValue: CGFloat {
|
|
CGFloat(doubleValue)
|
|
}
|
|
}
|