Sensible Cocoa - reloadBoundValues doesn't know about predicate

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reloadBoundValues doesn't know about predicate

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TOPIC: reloadBoundValues doesn't know about predicate

reloadBoundValues doesn't know about predicate 1 year, 2 months ago #1

Hi, I have a table with custom detail view where I update a record by means other than stv. When I'm done I call:

[tableModel reloadBoundValues];
[tableModel.modeledTableView reloadData];

The problem is that the original predicate of the section is not respected. This is how my section looks like:

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"category = %@", category];
 
    SCArrayOfObjectsSection *objectsSection = [SCArrayOfObjectsSection sectionWithHeaderTitle:nil withEntityClassDefinition:entryDef usingPredicate:predicate];
    objectsSection.allowEditDetailView = NO;
 
	[tableModel addSection:objectsSection];

Looking at the source code, I've found this method that gets called:

// override superclass method
- (void)reloadBoundValues
{
#ifdef _COREDATADEFINES_H
	SCClassDefinition *classDef = [self firstClassDefinition];
	if(classDef.entity)
		self.items = [SCHelper generateObjectsArrayForEntityClassDefinition:classDef usingPredicate:itemsPredicate];
#endif
}

The problem is that predicate is (null) when it gets called, even though there is a predicate when I create the section. Am I doing something wrong, or is this a bug? I'm using version 2.0 RC2

oscardelben
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Re: reloadBoundValues doesn't know about predicate 1 year, 2 months ago #2

Hi Oscar, This actually does seem to be a bug, thanks a lot for reporting it! We'll get this fixed for our final STV 2.0 release (due before the end of this week). Thanks again!	tarekskr OFFLINE Administrator Posts: 2402 Karma: 72
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Re: reloadBoundValues doesn't know about predicate 5 months ago #3

It looks like there's a regression involving this same code in 2.1.7. I have the same symptoms in that the SCArrayOfObjectsModel only uses the predicate once at creation time and then forgets it. This is using:

-initWithTableView:withViewController:withEntityClassDefinition:usingPredicate:(NSPredicate *)predicate

Digging into the source, I found the following, which shows why it immediately forgets the predicate.

- (id)initWithTableView:(UITableView *)_modeledTableView withViewController:(UIViewController *)_viewController withEntityClassDefinition:(SCClassDefinition *)classDefinition usingPredicate:(NSPredicate *)predicate
{
  if(predicate)
    self.itemsPredicate = predicate;
 
  // Create the sectionItems array
  NSMutableArray *sectionItems = [SCHelper generateObjectsArrayForEntityClassDefinition:classDefinition usingPredicate:self.itemsPredicate ascending:YES];
 
  self = [self initWithTableView:_modeledTableView withViewController:_viewController withItems:sectionItems withClassDefinition:classDefinition];
  [self callCoreDataObjectsLoadedDelegate];
 
  return self;
}

The workaround is to set the itemsPredicate property after initialization.

Thanks for a great tool. I really appreciate the major time savings in my current project. Hopefully, the next version will be even better.

Warren

dodgio
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