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Restored previous attempt at IndexOf(), but it's broken either way

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This commit is contained in:
Markus Ewald 2025-07-09 23:10:54 +02:00
parent 059c093ec3
commit ee6a57b784
4 changed files with 354 additions and 345 deletions
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25
Source/Collections/AsyncVirtualObservableReadOnlyList.cs
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@ -289,7 +289,19 @@ namespace Nuclex.Avalonia.Collections {
/// <param name="item">Item whose index will be determined</param> /// <param name="item">Item whose index will be determined</param>
/// <returns>The index of the item in the list or -1 if not found</returns> /// <returns>The index of the item in the list or -1 if not found</returns>
public int IndexOf(TItem item) { public int IndexOf(TItem item) {
return this.typedList.IndexOf(item); requireCount();
requireAllPages();
// TODO: this won't work, it will compare the placeholder items :-/
IComparer<TItem> itemComparer = Comparer<TItem>.Default;
for(int index = 0; index < this.assumedCount.Value; ++index) {
if(itemComparer.Compare(this.typedList[index], item) == 0) {
return index;
}
}
return -1;
} }
/// <summary>Inserts an item into the list at the specified index</summary> /// <summary>Inserts an item into the list at the specified index</summary>
@ -344,10 +356,8 @@ namespace Nuclex.Avalonia.Collections {
/// <param name="item">Item the list will be checked for</param> /// <param name="item">Item the list will be checked for</param>
/// <returns>True if the list contains the specified items</returns> /// <returns>True if the list contains the specified items</returns>
public bool Contains(TItem item) { public bool Contains(TItem item) {
requireCount(); // TODO: this won't work, it will compare the placeholder items :-/
requireAllPages(); return (IndexOf(item) != -1);
return this.typedList.Contains(item);
} }
/// <summary>Copies the contents of the list into an array</summary> /// <summary>Copies the contents of the list into an array</summary>
@ -359,14 +369,13 @@ namespace Nuclex.Avalonia.Collections {
requireCount(); requireCount();
requireAllPages(); requireAllPages();
// TODO: this won't work, it will copy the placeholder items :-/
this.typedList.CopyTo(array, arrayIndex); this.typedList.CopyTo(array, arrayIndex);
} }
/// <summary>Total number of items in the list</summary> /// <summary>Total number of items in the list</summary>
public int Count { public int Count {
get { get { return requireCount(); }
return requireCount();
}
} }
/// <summary>Whether the list is a read-only list</summary> /// <summary>Whether the list is a read-only list</summary>