Jel/Views/Utility/StickyHeaderView.swift


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//
//  StickyHeaderView.swift
//  Jel
//
//  Created by zerocool on 12/24/23.
//

import SwiftUI

struct StickyHeaderView<Content: View>: View {
  
  var minHeight: CGFloat
  var content: Content
  
  init(minHeight: CGFloat = 200, @ViewBuilder content: () -> Content) {
    self.minHeight = minHeight
    self.content = content()
  }
  
  var body: some View {
    GeometryReader { geo in
      if(geo.frame(in: .global).minY <= 0) {
        content
          .frame(width: geo.size.width, height: geo.size.height, alignment: .center)
      } else {
        content
          .offset(y: -geo.frame(in: .global).minY)
          .frame(width: geo.size.width, height: geo.size.height + geo.frame(in: .global).minY)
      }
    }.frame(minHeight: minHeight)
  }
}

#Preview {
  StickyHeaderView {
    Text("Test")
  }
}