vds_ios_sample/VDSSample/Classes/Slider.swift
Matt Bruce 2498a9f3af added number publisher
Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
2023-07-21 14:55:37 -05:00

57 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.numberPublisher.sink { [weak self] number in
guard let number else { return }
self?.valueChanged(newValue: number.floatValue)
}.store(in: &subscribers)
}
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)
}
}