LeadKit/TIBottomSheet/Sources/BottomSheet/Views/ModalHeaderView.swift

236 lines
10 KiB
Swift

//
// Copyright (c) 2023 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 TIUIElements
import TIUIKitCore
import UIKit
open class ModalHeaderView: BaseInitializableView, AppearanceConfigurable {
// MARK: - Nested Types
public enum State {
case hidden
case presented(Appearance)
}
public enum ContentViewState {
case leadingButton(BaseButtonStyle)
case trailingButton(BaseButtonStyle)
case buttons(leading: BaseButtonStyle, trailing: BaseButtonStyle)
case custom(view: UIView, appearance: UIView.BaseWrappedAppearance<UIView.DefaultWrappedLayout>)
}
// MARK: - Public properties
public let leadingButton = StatefulButton()
public let trailingButton = StatefulButton()
public private(set) lazy var leftTrailingToRightLeadingConstraint: NSLayoutConstraint = {
leadingButton.trailingAnchor.constraint(equalTo: trailingButton.leadingAnchor)
}()
public private(set) lazy var leftTrailingToSuperviewTrailing: NSLayoutConstraint = {
leadingButton.trailingAnchor.constraint(equalTo: trailingAnchor)
}()
public private(set) lazy var leadingButtonConstraints: SubviewConstraints = {
let edgeConstraints = EdgeConstraints(leadingConstraint: leadingButton.leadingAnchor.constraint(equalTo: leadingAnchor),
trailingConstraint: leftTrailingToRightLeadingConstraint,
topConstraint: leadingButton.topAnchor.constraint(equalTo: topAnchor),
bottomConstraint: leadingButton.bottomAnchor.constraint(equalTo: bottomAnchor))
let centerXConstraint = leadingButton.centerXAnchor.constraint(equalTo: centerXAnchor)
let centerYConstraint = leadingButton.centerYAnchor.constraint(equalTo: centerYAnchor)
let centerConstraints = CenterConstraints(centerXConstraint: centerXConstraint,
centerYConstraint: centerYConstraint)
let sizeConstraints = SizeConstraints(widthConstraint: leadingButton.widthAnchor.constraint(equalToConstant: .zero),
heightConstraint: leadingButton.heightAnchor.constraint(equalToConstant: .zero))
return SubviewConstraints(edgeConstraints: edgeConstraints,
centerConstraints: centerConstraints,
sizeConstraints: sizeConstraints)
}()
public private(set) lazy var rightLeadingToSuperviewLeadingConstraint: NSLayoutConstraint = {
trailingButton.leadingAnchor.constraint(equalTo: leadingAnchor)
}()
public private(set) lazy var trailingButtonConstraints: SubviewConstraints = {
let trailingConstraint = trailingButton.trailingAnchor.constraint(equalTo: trailingAnchor)
let edgeConstraints = EdgeConstraints(leadingConstraint: leftTrailingToRightLeadingConstraint,
trailingConstraint: trailingConstraint,
topConstraint: trailingButton.topAnchor.constraint(equalTo: topAnchor),
bottomConstraint: trailingButton.bottomAnchor.constraint(equalTo: bottomAnchor))
let centerXConstraint = trailingButton.centerXAnchor.constraint(equalTo: centerXAnchor)
let centerYConstraint = trailingButton.centerYAnchor.constraint(equalTo: centerYAnchor)
let centerConstraints = CenterConstraints(centerXConstraint: centerXConstraint,
centerYConstraint: centerYConstraint)
let sizeConstraints = SizeConstraints(widthConstraint: trailingButton.widthAnchor.constraint(equalToConstant: .zero),
heightConstraint: trailingButton.heightAnchor.constraint(equalToConstant: .zero))
return SubviewConstraints(edgeConstraints: edgeConstraints,
centerConstraints: centerConstraints,
sizeConstraints: sizeConstraints)
}()
public var customViewConstraints: SubviewConstraints?
// MARK: - BaseInitializableView
open override func addViews() {
super.addViews()
addSubviews(leadingButton, trailingButton)
}
open override func configureLayout() {
super.configureLayout()
for view in [leadingButton, trailingButton] {
view.translatesAutoresizingMaskIntoConstraints = false
}
}
// MARK: - AppearanceConfigurable
open func configure(appearance: Appearance) {
configureUIView(appearance: appearance)
configureContentView(state: appearance.contentViewState)
}
open func configureContentView(state: ContentViewState) {
var leadingButtonStyle: BaseButtonStyle?
var trailingButtonStyle: BaseButtonStyle?
switch state {
case let .leadingButton(style):
leadingButtonStyle = style
leadingButtonConstraints.edgeConstraints.trailingConstraint = leftTrailingToSuperviewTrailing
case let .trailingButton(style):
trailingButtonStyle = style
trailingButtonConstraints.edgeConstraints.leadingConstraint = rightLeadingToSuperviewLeadingConstraint
case let .buttons(leading, trailing):
leadingButtonStyle = leading
trailingButtonStyle = trailing
case let .custom(view, appearance):
configureCustomView(view, withLayout: appearance.layout)
view.configureUIView(appearance: appearance)
}
configure(buttonStyle: leadingButtonStyle, forButton: leadingButton, constraints: leadingButtonConstraints)
configure(buttonStyle: trailingButtonStyle, forButton: trailingButton, constraints: trailingButtonConstraints)
if let leadingButtonStyle, let trailingButtonStyle {
leadingButtonConstraints.edgeConstraints.trailingConstraint = leftTrailingToRightLeadingConstraint
trailingButtonConstraints.edgeConstraints.leadingConstraint = leftTrailingToRightLeadingConstraint
let spacing = leadingButtonStyle.appearance.layout.insets.add(\.right,
to: \.left,
of: trailingButtonStyle.appearance.layout.insets)
leftTrailingToRightLeadingConstraint.setActiveConstantOrDeactivate(constant: spacing)
}
}
// MARK: - Private methods
private func configureCustomView(_ view: UIView, withLayout layout: WrappedViewLayout) {
addSubview(view)
view.translatesAutoresizingMaskIntoConstraints = false
let edgeConstraints = EdgeConstraints(leadingConstraint: view.leadingAnchor.constraint(equalTo: leadingAnchor),
trailingConstraint: view.trailingAnchor.constraint(equalTo: trailingAnchor),
topConstraint: view.topAnchor.constraint(equalTo: topAnchor),
bottomConstraint: view.bottomAnchor.constraint(equalTo: bottomAnchor))
let centerConstraints = CenterConstraints(centerXConstraint: view.centerXAnchor.constraint(equalTo: centerXAnchor),
centerYConstraint: view.centerYAnchor.constraint(equalTo: centerYAnchor))
let sizeConstraints = SizeConstraints(widthConstraint: view.widthAnchor.constraint(equalToConstant: .zero),
heightConstraint: view.heightAnchor.constraint(equalToConstant: .zero))
let customViewConstraints = SubviewConstraints(edgeConstraints: edgeConstraints,
centerConstraints: centerConstraints,
sizeConstraints: sizeConstraints)
self.customViewConstraints = customViewConstraints
customViewConstraints.update(from: layout)
}
private func configure(buttonStyle: BaseButtonStyle?,
forButton button: StatefulButton,
constraints: SubviewConstraints?) {
guard let buttonStyle else {
button.isHidden = true
return
}
button.isHidden = false
constraints?.update(from: buttonStyle.appearance.layout)
button.apply(style: buttonStyle)
}
}
// MARK: - Appearance
public extension ModalHeaderView {
final class Appearance: BaseWrappedAppearance<DefaultWrappedLayout>, WrappedViewAppearance {
public static var defaultAppearance: Self {
Self(layout: DefaultWrappedLayout(insets: .horizontal(.zero).vertical(top: .zero),
size: .fixedHeight(44)))
}
public var contentViewState: ContentViewState
public init(layout: DefaultWrappedLayout = .defaultLayout,
background: UIViewBackground = UIViewColorBackground(color: .clear),
border: UIViewBorder = BaseUIViewBorder(),
shadow: UIViewShadow? = nil,
contentViewState: ContentViewState = .leadingButton(.init())) {
self.contentViewState = contentViewState
super.init(layout: layout,
background: background,
border: border,
shadow: shadow)
}
}
}