89 lines
3.7 KiB
Swift
89 lines
3.7 KiB
Swift
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final class RouteManagerDimView: UIView {
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@IBOutlet private weak var image: UIImageView!
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@IBOutlet private weak var label: UILabel!
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@IBOutlet private weak var messageView: UIView!
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@IBOutlet private weak var messageViewContainer: UIView!
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@IBOutlet private var messageViewVerticalCenter: NSLayoutConstraint!
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@IBOutlet private var labelVerticalCenter: NSLayoutConstraint!
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enum State {
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case visible
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case binOpenned
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case hidden
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}
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var state = State.hidden {
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didSet {
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guard state != oldValue else { return }
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switch state {
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case .visible:
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isVisible = true
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image.image = #imageLiteral(resourceName: "ic_route_manager_trash")
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case .binOpenned:
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isVisible = true
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image.image = #imageLiteral(resourceName: "ic_route_manager_trash_open")
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case .hidden:
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isVisible = false
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}
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}
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}
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var binDropPoint: CGPoint {
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return convert(image.isHidden ? label.center : image.center, from: messageView)
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}
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private var isVisible = false {
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didSet {
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guard isVisible != oldValue else { return }
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let componentsAlpha: CGFloat = 0.5
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setStyle(.blackStatusBarBackground)
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alpha = isVisible ? 0 : 1
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image.alpha = isVisible ? 0 : componentsAlpha
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label.alpha = isVisible ? 0 : componentsAlpha
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UIView.animate(withDuration: kDefaultAnimationDuration,
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animations: {
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self.alpha = self.isVisible ? 1 : 0
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self.image.alpha = self.isVisible ? componentsAlpha : 0
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self.label.alpha = self.isVisible ? componentsAlpha : 0
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},
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completion: { _ in
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self.alpha = 1
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if !self.isVisible {
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self.backgroundColor = UIColor.clear
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}
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})
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setNeedsLayout()
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}
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}
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func setViews(container: UIView, controller: UIView, manager: UIView) {
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alpha = 0
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alternative(iPhone: {
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controller.insertSubview(self, at: 0)
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NSLayoutConstraint(item: self, attribute: .left, relatedBy: .equal, toItem: self.messageViewContainer, attribute: .left, multiplier: 1, constant: 0).isActive = true
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NSLayoutConstraint(item: manager, attribute: .top, relatedBy: .equal, toItem: self.messageViewContainer, attribute: .bottom, multiplier: 1, constant: 0).isActive = true
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},
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iPad: {
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container.insertSubview(self, at: 0)
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NSLayoutConstraint(item: self, attribute: .bottom, relatedBy: .equal, toItem: self.messageViewContainer, attribute: .bottom, multiplier: 1, constant: 0).isActive = true
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NSLayoutConstraint(item: controller, attribute: .right, relatedBy: .equal, toItem: self.messageViewContainer, attribute: .left, multiplier: 1, constant: 0).isActive = true
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})()
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NSLayoutConstraint(item: container, attribute: .top, relatedBy: .equal, toItem: self, attribute: .top, multiplier: 1, constant: 0).isActive = true
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NSLayoutConstraint(item: container, attribute: .bottom, relatedBy: .equal, toItem: self, attribute: .bottom, multiplier: 1, constant: 0).isActive = true
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NSLayoutConstraint(item: container, attribute: .left, relatedBy: .equal, toItem: self, attribute: .left, multiplier: 1, constant: 0).isActive = true
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NSLayoutConstraint(item: container, attribute: .right, relatedBy: .equal, toItem: self, attribute: .right, multiplier: 1, constant: 0).isActive = true
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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let isImageHidden = messageView.height > messageViewContainer.height
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image.isHidden = isImageHidden
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messageViewVerticalCenter.isActive = !isImageHidden
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labelVerticalCenter.isActive = isImageHidden
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}
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}
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