LeadKit/Sources/Classes/Views/CustomizableButton/CustomizableButton.swift

110 lines
3.3 KiB
Swift

//
// Copyright (c) 2019 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import UIKit
import RxCocoa
import RxSwift
/// class that is a CustomizableButtonView subview and gives it a button functionality
open class CustomizableButton: UIButton {
// MARK: - Constants
private let defaultBackgroundColor = UIColor.white
// MARK: - Background
private var backgroundColors: [UIControl.State: UIColor] = [:] {
didSet {
updateBackgroundColor()
}
}
func set(backgroundColors: [UIControl.State: UIColor]) {
backgroundColors.forEach { setBackgroundColor($1, for: $0) }
}
func setBackgroundColor(_ color: UIColor, for state: UIControl.State) {
backgroundColors[state] = color
}
func backgroundColor(for state: UIControl.State) -> UIColor? {
return backgroundColors[state]
}
private func updateBackgroundColor() {
if isEnabled {
if isHighlighted {
updateBackgroundColor(to: .highlighted)
} else {
updateBackgroundColor(to: .normal)
}
} else {
updateBackgroundColor(to: .disabled)
}
}
private func updateBackgroundColor(to state: UIControl.State) {
if let stateColor = backgroundColor(for: state) {
backgroundColor = stateColor
} else if state != .normal, let normalStateColor = backgroundColor(for: .normal) {
backgroundColor = normalStateColor
} else {
backgroundColor = defaultBackgroundColor
}
}
// MARK: - Title
func set(titleColors: [UIControl.State: UIColor]) {
titleColors.forEach { setTitleColor($1, for: $0) }
}
func set(titles: [UIControl.State: String]) {
titles.forEach { setTitle($1, for: $0) }
}
func set(attributtedTitles: [UIControl.State: NSAttributedString]) {
attributtedTitles.forEach { setAttributedTitle($1, for: $0) }
}
// MARK: - Images
func set(images: [UIControl.State: UIImage]) {
images.forEach { setImage($1, for: $0) }
}
// MARK: - State
override open var isEnabled: Bool {
didSet {
updateBackgroundColor()
}
}
override open var isHighlighted: Bool {
didSet {
updateBackgroundColor()
}
}
}