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Add child index, add category that properly prepends the index to the NSIndexPath

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This commit is contained in:
Gregory John Casamento 2024-08-03 20:48:09 -04:00
parent 8059cdadd0
commit 13f86ebfa9
2 changed files with 30 additions and 2 deletions
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30
Source/NSOutlineView.m
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@ -1740,6 +1740,34 @@ Also returns the child index relative to this parent. */
@end /* implementation of NSOutlineView */
@interface NSIndexPath (__NSOutlineView__Prepend__)
- (NSIndexPath *) _indexPathByPrependingIndex: (NSUInteger)index;
@end
@implementation NSIndexPath (__NSOutlineView__Prepend__)
- (NSIndexPath *) _indexPathByPrependingIndex: (NSUInteger)index
{
NSIndexPath *newPath = [NSIndexPath indexPathWithIndex: index];
NSUInteger length = [self length];
NSUInteger indexes[length + 1];
NSUInteger i = 0;
[self getIndexes: indexes];
// Iterate over existing indexes...
for (i = 0; i < length; i++)
{
newPath = [newPath indexPathByAddingIndex: indexes[i]];
}
return newPath;
}
@end
@implementation NSOutlineView (NotificationRequestMethods)
- (NSIndexPath *) _findIndexPathForItem: (id)item
@ -1764,7 +1792,7 @@ Also returns the child index relative to this parent. */
if (foundPath != nil)
{
return [foundPath indexPathByAddingIndex: index];
return [foundPath _indexPathByPrependingIndex: index];
}
}
}