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Implement selectAll:, deselectAll:, selectItemsAtIndex:..., deselectItemsAtIndexPaths:

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This commit is contained in:
Gregory John Casamento 2022-10-01 05:42:46 -04:00
parent e9e1615cdb
commit a5b878c690
1 changed files with 41 additions and 5 deletions
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46
Source/NSCollectionView.m
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@ -1763,14 +1763,10 @@ static NSString *placeholderItem = nil;
- (NSInteger) numberOfItemsInSection: (NSInteger)section
{
NSInteger n = 0;
// Since this is a required method by the delegate we can assume it's presence
// if it is not there, tests on macOS indicate that an unrecognized selector
// exception is thrown.
n = [_dataSource collectionView: self numberOfItemsInSection: section];
return n;
return [_dataSource collectionView: self numberOfItemsInSection: section];
}
/* Inserting, Moving and Deleting Items */
@ -1823,19 +1819,59 @@ static NSString *placeholderItem = nil;
- (IBAction) selectAll: (id)sender
{
NSEnumerator *en = [_itemsToIndexPaths keyEnumerator];
id obj = nil;
while((obj = [en nextObject]) != nil)
{
if ([obj respondsToSelector: @selector(setSelected:)])
{
[obj setSelected: YES];
}
}
}
- (IBAction) deselectAll: (id)sender
{
NSEnumerator *en = [_itemsToIndexPaths keyEnumerator];
id obj = nil;
while((obj = [en nextObject]) != nil)
{
if ([obj respondsToSelector: @selector(setSelected:)])
{
[obj setSelected: NO];
}
}
}
- (void) selectItemsAtIndexPaths: (NSSet *)indexPaths
scrollPosition: (NSCollectionViewScrollPosition)scrollPosition
{
FOR_IN(NSIndexPath*,p,indexPaths)
{
id item = [_indexPathsToItems objectForKey: p];
if ([item respondsToSelector: @selector(setSelected:)])
{
[item setSelected: YES];
}
}
END_FOR_IN(indexPaths);
}
- (void) deselectItemsAtIndexPaths: (NSSet *)indexPaths
{
FOR_IN(NSIndexPath*,p,indexPaths)
{
id item = [_indexPathsToItems objectForKey: p];
if ([item respondsToSelector: @selector(setSelected:)])
{
[item setSelected: NO];
}
}
END_FOR_IN(indexPaths);
}
/* Getting Layout Information */