Invalidate collection view layout on first update

hyperskill · Dec 19, 2023 · 4129e3a · 4129e3a
1 parent dff53c1
commit 4129e3a
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/...urces/Modules/StepQuizSubmodules/StepQuizFillBlanks/Views/FillBlanksQuizViewWrapper.swift b/...urces/Modules/StepQuizSubmodules/StepQuizFillBlanks/Views/FillBlanksQuizViewWrapper.swift
@@ -38,6 +38,14 @@ struct FillBlanksQuizViewWrapper: UIViewRepresentable {
                 delegate: collectionViewAdapter,
                 dataSource: collectionViewAdapter
             )
+
+            // ALTAPPS-1062: Fixes incorrect collection view layout on first update
+            if context.coordinator.isFirstCollectionViewDataUpdate {
+                context.coordinator.isFirstCollectionViewDataUpdate = false
+                DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+                    uiView.invalidateCollectionViewLayout()
+                }
+            }
         }
 
         context.coordinator.onInputDidChange = { [weak collectionViewAdapter, weak uiView] inputText, component in
@@ -76,6 +84,8 @@ extension FillBlanksQuizViewWrapper {
     class Coordinator: NSObject, FillBlanksQuizCollectionViewAdapterDelegate {
         private(set) var collectionViewAdapter = FillBlanksQuizCollectionViewAdapter()
 
+        fileprivate var isFirstCollectionViewDataUpdate = true
+
         var onInputDidChange: ((String, StepQuizFillBlankComponent) -> Void)?
 
         var onDidSelectComponent: ((IndexPath) -> Void)?