Re: [Rubycocoa-talk] Documentation for RubyCocoa on Leopard (with followup KVC/CoreData question).

[Rich W. <rw...@gm...>]

Thanks, but I'd already read those, and was looking for something a  
bit more in-depth.

Specifically, I'm looking for the BridgeDoc generated documentation  
mentioned in http://rubycocoa.sourceforge.net/FrameworkDocumentation.  
That site says the html documentation should be located in /Developer/ 
Documentation/RubyCocoa/Frameworks, but that folder does not exist on  
my system, and /Developer/Documentation/RubyCocoa simply contains a  
few japanese files. Additionally, it mentions using ri to access the  
documentation, but that doesn't work either.

Does anyone know how to generate this documentation for Leopard? I  
assume I have to use BridgeDoc, but I'm not sure what that is, or  
where I can get it. Also, are there any differences in the Leopard  
distribution of RubyCocoa that I need to be aware of?

Thanks,

-Rich-



On Dec 16, 2007, at 3:56 PM, Ian Joyner wrote:

> Hi Rich,
>
> This seems hot off the press:
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/RubyPythonCocoa/Introduction/Introduction.html
>
> Ian
>
> On 14/12/2007, at 7:50 PM, Rich Warren wrote:
>
>> I'm fairly familiar with both Ruby and Cocoa, but I've never really
>> played around with RubyCocoa before. I read the "Ruby and Python on
>> Mac OS X" article from the Apple Developer Connection, and I'm  
>> looking
>> for more in-depth documentation.
>>
>> I'm using the version of RubyCocoa that comes with Leopard. It seems
>> that the documentation is...missing?
>>
>> I found the example code at /Developer/Examples/Ruby/RubyCocoa, but
>> the documentation at /Developer/Documentation/RubyCocoa has only  
>> three
>> smallish HTML files in Japanese.
>>
>> ri doesn't seem to work for any OSX::* items.
>>
>> How do I find/load the documentation into Leopard?
>>
>> Are there any other good sources of RubyCocoa documentation?
>>
>> In particular, I'm looking for some information on CoreData and Key
>> Value compliance.
>>
>> In short, I have a parent entity that has a to many relationship with
>> a child entity. I currently display all the parents in a table. I
>> would like to have one column bind to the child count for each  
>> parent.
>>
>> In Cocoa, I would do this by giving the parent a transient "count"
>> attribute. I would then make a subclass of NSManagedObject and have
>> the parent use my subclass. In my subclass, I would create a -
>> (int_32t)count method that returned the child count. This would get
>> called, through the magic of KVC for my parent's count value.
>>
>> In RubyCocoa I tried the same. But it didn't work. My sample code is
>> below.
>>
>> require 'osx/cocoa'
>>
>> class ManagedParent < OSX::NSManagedObject
>>
>> 	def count()
>> 		puts "Getting The Count"
>> 		return 5
>> 	end
>> end
>>
>> Yes, yes. I know. I'm not actually getting the child count. But I
>> wanted to get this, simpler version working before I tried to tackle
>> the whole valueForKey_("child") mess.
>>
>> When I run my code, I'm not getting 5 for the count, nor am I seeing
>> "Getting The Count" in the console. How do I get this to work?
>>
>> Thanks,
>>
>> -Rich-
>>
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