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Re: [Rubycocoa-talk] NSProxy doesNotRecognizeSelector:copyWithZone: [SOLVED]
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From: Eloy D. <e....@su...> - 2008-01-20 11:39:26
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Good :) So for the tablecolumn you explicitely need a NSDecimalNumber? Because you could try "content.to_ns", but that will return a regular NSNumber. Normally I would say try: OSX::NSDecimalNumber.decimalWithDecimal(content), but for some reason it expects 6 arguments instead of 1. Cheers, Eloy On 20 jan 2008, at 09:13, Ferhat Ayaz wrote: > ah! ok. Thank you very much. This does the trick. > > BTW, has somebody a more elegant solution to make a decimal number? > > class ProductProxy < OSX::ActiveRecordProxy > on_get :retail_price do |content| > OSX::NSDecimalNumber.alloc.initWithString(content.to_s) > > end > end > > Thanks, > Ferhat > > ----- Original Message ---- > From: Eloy Duran <e....@su...> > To: rub...@li... > Sent: Sunday, January 20, 2008 2:19:46 AM > Subject: Re: [Rubycocoa-talk] NSProxy > doesNotRecognizeSelector:copyWithZone: > > Hi, > > Have you tried using a on_get filter to change the value that is > returned ActiveRecord into something the table column wants? > For an example of this see: http://www.superalloy.nl/blog/2007/06/09/added-on_get-filter-class-method-to-activerecordproxy/ > > Eloy > > On 20 jan 2008, at 01:55, Ferhat Ayaz wrote: > >> Hi, >> >> I think I have an idea whats going wrong. I'm binding the >> arrangedObjects of ActiveRecordSetController to NSTableView column >> (usual stuff). >> >> But this is interesting: the decimal column (in my case the price >> of product) is the problem. >> >> I used an NSNumberFormatter in the table column cell to confirm >> this. And, indeed, I got this error: >> >> OSX::OCException: NSInternalInconsistencyException - Cannot create >> number from object <RBObject: 0x228b3b0> of class RBObject >> >> I think RBObject is in this case not the right type, is it? >> >> If I do not bind the price column, everything work fine. >> >> Is this a bug or am I just poor of knowledge? >> >> Thanks, >> Ferhat >> >> ----- Original Message ---- >> From: Ferhat Ayaz <fer...@ya...> >> To: rub...@li... >> Sent: Saturday, January 19, 2008 7:35:50 PM >> Subject: Re: [Rubycocoa-talk] NSProxy >> doesNotRecognizeSelector:copyWithZone: >> >> Hi Eloy, >> >> thank you for your reply. I'm trying to access an already existing >> database created by a rails application. The migration for the >> products table looks like this >> >> create_table :products do |t| >> t.column :title, :string >> t.column :description, :text >> t.column :image, :string >> t.column :price, :decimal, :null => false, :precision => >> 8, :scale => 2 >> t.column :asset, :decimal, :null => false, :precision => >> 8, :scale => 2 >> t.column :accepts_contract, :boolean, :default => true >> t.column :rank, :integer >> t.column :manufacturer_id, :integer >> t.column :created_at, :datetime >> t.column :updated_at, :datetime >> end >> >> (There are also other tables which I don't care for my rubycocoa >> application) >> >> Although there is a manufacturer_id, I didn't generate >> Manufacturer.rb using the generate.rb script (hint). This is really >> everything I've done. >> >> The following line causes the exception >> >> @products = Product.find(:all).to_activerecord_proxies >> >> If I try to use the first version without active_record, say: >> >> @products = [] >> >> everything is ok. >> >> The kvc_accessor :products is bind to the contentArray of an >> ActiveRecordSetController. >> >> RubyCocoa Version: 0.12.0 >> >> Thanks. >> Ferhat >> >> ----- Original Message ---- >> From: Eloy Duran <elo...@gm...> >> To: rub...@li...urceforge..net >> Sent: Saturday, January 19, 2008 7:02:44 PM >> Subject: Re: [Rubycocoa-talk] NSProxy >> doesNotRecognizeSelector:copyWithZone: >> >> Hi Ferhat, >> >> Unfortunately that error is too much of a general problem to be >> able to diagnose for me. >> Could you try to get some more detailed info on which code is >> causing the problem? >> >> Cheers, >> Eloy >> >> On 18-jan-2008, at 22:59, Ferhat Ayaz <fer...@ya...> wrote: >> >>> Hi, >>> >>> I'm trying to run an activerecordsupport application. I have added >>> an ActiveRecordSetController ArrayController in IB and set the >>> class name properly (in my case ProductProxy). >>> >>> here my simple controller code (inspired by the blog article by >>> Eloy Duran) >>> >>> >>> require 'osx/cocoa' >>> >>> class CNController < OSX::NSWindowController >>> kvc_accessor :products >>> >>> def init >>> if super_init >>> ActiveRecord::Base.establish_connection({ >>> :adapter => 'mysql', >>> :host => 'localhost', >>> >>> :username => 'root', >>> >>> :password => '', >>> :database => 'xyz_development' >>> >>> }) >>> @products = Product.find(:all).to_activerecord_proxies >>> return self >>> end >>> end >>> end >>> >>> >>> I have generated product.rb and product_proxy..rb using the handy >>> generate.rb script. >>> >>> So, the error message I get is the following >>> >>> [Session started at 2008-01-18 22:51:02 +0100.] >>> /Users/ayaz/Projects/CNClient/build/Debug/CNClient.app/Contents/ >>> Resources/rb_main.rb:24:in `NSApplicationMain': >>> NSInvalidArgumentException - *** -[NSProxy >>> doesNotRecognizeSelector:copyWithZone:] called! (OSX::OCException) >>> from /Users/ayaz/Projects/CNClient/build/Debug/CNClient.app/ >>> Contents/Resources/rb_main.rb:24 >>> >>> The Debugger has exited with status 1.The Debugger has exited with >>> status 1. >>> >>> Any idea? >>> >>> Thanks! >>> Ferhat >>> >>> >>> Be a better friend, newshound, and know-it-all with Yahoo! Mobile. >>> Try it now.. >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by: Microsoft >>> Defy all challenges. Microsoft(R) Visual Studio 2008. >>> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >>> _______________________________________________ >>> Rubycocoa-talk mailing list >>> Rub...@li... >>> https://lists.sourceforge.net/lists/listinfo/rubycocoa-talk >> >> >> Never miss a thing. Make Yahoo your homepage. >> >> >> Never miss a thing. Make Yahoo your homepage. >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Microsoft >> Defy all challenges. Microsoft(R) Visual Studio 2008. >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/_______________________________________________ >> Rubycocoa-talk mailing list >> Rub...@li... >> https://lists.sourceforge.net/lists/listinfo/rubycocoa-talk > > > > Looking for last minute shopping deals? Find them fast with Yahoo! > Search > .------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/_______________________________________________ > Rubycocoa-talk mailing list > Rub...@li... > https://lists.sourceforge.net/lists/listinfo/rubycocoa-talk |
