import UIKit
import Panels

class PanelOptions: UIViewController, Panelable {
    @IBOutlet var headerHeight: NSLayoutConstraint!
    @IBOutlet var headerPanel: UIView!
}

class YourViewController: UIViewController {
    lazy var panelManager = Panels(target: self)
    override func viewDidLoad() {
        super.viewDidLoad()
        let panel = UIStoryboard.instantiatePanel(identifier: "YourPanelName")
        let panelConfiguration = PanelConfiguration(size: .oneThird)
        
        // To present the panel
        panelManager.show(panel: panel, config: panelConfiguration)
        ....
        // To dismiss the panel
        panelManager.dismiss()
    }
}

    /// Storyboard name, the first Viewcontroller will be instantiated
    public var panelName: String

    /// Panel height
    public var panelSize: PanelDimensions

    /// Panel margins between the header and the next views.
    public var panelMargin: CGFloat

    /// Visible area when the panel is collapsed
    public var panelVisibleArea: CGFloat

    /// Safe area is avoided if this flag is true.
    public var useSafeArea = true

    /// Collapse and expand when tapping the header view.
    public var respondToTap = true

    /// Collapse and expand when dragging the header view.
    public var respondToDrag = true

    /// Collapse when tapping outside the panel
    public var closeOutsideTap = true

    /// Animate the panel when the superview is shown.
    public var animateEntry = false

    /// If parent view is a navigationcontroller child, this flag allow a better calculation when the panelSize is .fullScreen
    public var enclosedNavigationBar = true