From 68e489ceea7dbdedb549ca02e8afbd7e1cf360e1 Mon Sep 17 00:00:00 2001
From: Matt Bruce <matt.bruce@verizon.com>
Date: Wed, 27 Mar 2024 14:43:30 -0500
Subject: [PATCH] refactored to use updated ButtonGroupPositionLayout

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
---
 VDS/Components/Breadcrumbs/Breadcrumbs.swift | 33 ++++++++++++++------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/VDS/Components/Breadcrumbs/Breadcrumbs.swift b/VDS/Components/Breadcrumbs/Breadcrumbs.swift
index 0ed7585d..2dd14d18 100644
--- a/VDS/Components/Breadcrumbs/Breadcrumbs.swift
+++ b/VDS/Components/Breadcrumbs/Breadcrumbs.swift
@@ -47,14 +47,17 @@ open class Breadcrumbs: View {
     //--------------------------------------------------
     // MARK: - Private Properties
     //--------------------------------------------------
-    let layout: UICollectionViewFlowLayout = BreadcrumbsFlowLayout().with {
-        $0.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
-        $0.minimumInteritemSpacing = VDSLayout.Spacing.space1X.value
-        $0.minimumLineSpacing = VDSLayout.Spacing.space1X.value
-        $0.sectionInset = .zero
-        $0.scrollDirection = .vertical
+    fileprivate lazy var layout = ButtonGroupPositionLayout().with {
+        $0.position = .left
+        $0.delegate = self
+        $0.axisSpacer = { _, _, _ in
+            return VDSLayout.Spacing.space1X.value
+        }
+        $0.verticalSpacer = { _, _ in
+            return VDSLayout.Spacing.space1X.value
+        }
     }
-    
+
     ///Collectionview to render Breadcrumb Items
     private lazy var collectionView: SelfSizingCollectionView = {
         let collectionView = SelfSizingCollectionView(frame: .zero, collectionViewLayout: layout)
@@ -134,9 +137,10 @@ open class Breadcrumbs: View {
             self.collectionView.collectionViewLayout.invalidateLayout()
         }   
     }
+    private var separatorWidth = Label().with { $0.text = "/"; $0.sizeToFit() }.intrinsicContentSize.width
 }
 
-extension Breadcrumbs: UICollectionViewDelegate, UICollectionViewDataSource {
+extension Breadcrumbs: UICollectionViewDelegate, UICollectionViewDataSource, ButtongGroupPositionLayoutDelegate {
     //--------------------------------------------------
     // MARK: - UICollectionView Delegate & Datasource
     //--------------------------------------------------
@@ -150,5 +154,16 @@ extension Breadcrumbs: UICollectionViewDelegate, UICollectionViewDataSource {
         cell.update(surface: surface, hideSlash: hideSlash, breadCrumbItem: breadcrumbs[indexPath.row])
         return cell
     }
-    
+
+    public func collectionView(_ collectionView: UICollectionView, sizeForItemAtIndexPath indexPath: IndexPath) -> CGSize {
+        let breadcrumb = breadcrumbs[indexPath.row]
+        let intrinsicSize = breadcrumb.intrinsicContentSize
+        let separatorFullWidth: CGFloat = indexPath.row == 0 ? 0 : VDSLayout.Spacing.space1X.value + separatorWidth
+        let cellwidth = intrinsicSize.width + separatorFullWidth
+        return .init(width: min(cellwidth, collectionView.frame.width), height: intrinsicSize.height)
+    }
+
+    public func collectionView(_ collectionView: UICollectionView, buttonBaseAtIndexPath indexPath: IndexPath) -> ButtonBase {
+        breadcrumbs[indexPath.row]
+    }
 }