Re: Updating text field bound to core data
Re: Updating text field bound to core data
- Subject: Re: Updating text field bound to core data
- From: "Andrew Zahra" <email@hidden>
- Date: Sat, 16 Aug 2008 10:59:06 +1000
Excellent! It is starting to make sense to me now. I am using an
ArrayController. I did this and it works:
NSManagedObject *task = [controller selection];
[task setValue:fileName forKey:@"sourceFolder"];
2008/8/16 Ron Lue-Sang <email@hidden>
>
> On Aug 15, 2008, at 4:57 PM, Andrew Zahra wrote:
>
> I am working on a basic core data app. I have a single entity with a name
>> attribute and other attributes including a file path. I have bound a table
>> view to the entity name and then a group of text fields to the individual
>> attributes to show the details. It works fine if I type stuff directly
>> into
>> these field.
>> The problem is, I want to set the value of the file path based on a user
>> selection from an NSOpenPanel. I tried setting the value of the text field
>> with setStringValue,
>>
>
> Yea, that's trying to change the value from the wrong direction. Tell your
> friends, "don't try to change a bound value by directly manipulating the
> view".
>
> but that did not end up stored by core data.
>>
>> I am guessing I have to access the currently selected managed object
>> somehow
>> and then update it, but none of the core data examples I have seen do
>> anything like this. Can someone point me in the right direction?
>>
>
> There's nothing coredata specific about this. You must either have an
> arrayController or a traditional NSTableView datasource object feeding your
> table view. If you're using an arrayController, use the arrayController's
> selection property (as opposed to selectedObjects, that way you can handle
> multiple selection for free). Or you implemented the tableView dataSource
> method for tableView:selectionDidChangeToIndexes: or whatever that method
> is.
>
> Make sense?
>
>
>
>>
>> Thanks,
>> Andrew
>> _______________________________________________
>>
>> Cocoa-dev mailing list (email@hidden)
>>
>> Please do not post admin requests or moderator comments to the list.
>> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>>
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to email@hidden
>>
>
>
--
Zahra Consulting Services
www.zcs.com.au
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden