Re: NSTableView

FROM : Jeremy
DATE : Fri Feb 29 17:22:08 2008

John,

I guess I forgot to send an e-mail saying Andrew Merenbach helped me 
out on this one. He found a small error in my code. :)

Jeremy
"For a long time it puzzled me how something so expensive, so leading 
edge, could be so useless, and then it occurred to me that a computer 
is a stupid machine with the ability to do incredibly smart things, 
while computer programmers are smart people with the ability to do 
incredibly stupid things. They are, in short, a perfect match." - Bill 
Bryson


On Feb 29, 2008, at 10:47 AM, Jonathan Dann wrote:

> Jeremy,
>
> Send it this way mate. I'll have a look. You on iChat? I'll screen 
> share it with you if you run leopard. Might solve your problem 
> quicker! jonathan.<email_removed>
>
> Jonathan Dann
>
> On 29 Feb 2008, at 00:55, Jeremy <<email_removed>> wrote:
>

>> OK. Now with connecting it in IB it stills seems to be not working. 
>> I have made those changes that you said and nick also stated. :) 
>> But I am still getting a blank NSTableView. If those changes make 
>> it so that my code SHOULD work, I have no Idea why it isn't 
>> working... If you would like a copy of my project just send me a 
>> direct e-mail and I will send it.
>>
>> Jeremy
>> "For a long time it puzzled me how something so expensive, so 
>> leading edge, could be so useless, and then it occurred to me that 
>> a computer is a stupid machine with the ability to do incredibly 
>> smart things, while computer programmers are smart people with the 
>> ability to do incredibly stupid things. They are, in short, a 
>> perfect match." - Bill Bryson
>>
>>
>> On Feb 28, 2008, at 7:52 PM, Andrew Merenbach wrote:
>>

>>> Hi, Jeremy,
>>>
>>> You appear to have a few corrections that need to be made with 
>>> your code.  To resolve these will help you on your way.  You 
>>> should make the following changes before you try to get things 
>>> working:
>>>
>>> 1. Remove the extraneous retain from your categoriesArray 
>>> instantiation -- -alloc and -init produce a retained object.
>>> 2. Change:
>>>

>>>> NSString *string;
>>>> string = [NSString init];
>>>> string = @"Main Category";

>>>
>>> to
>>>
>>> NSString *string = @"Main Category";
>>>
>>>  or
>>>
>>> NSString *string = [NSString stringWithString:@"Main Category"];
>>>
>>> 3. Also note that [NSString init] is improper; you need [[NSString 
>>> alloc] init] or [NSString string] -- but no matter what, it's a 
>>> waste if you immediately set string to @"Main Category".
>>>
>>> 4. Is your controller class with the code that you gave all set up 
>>> as the dataSource for the table view?  You'll need to connect that 
>>> in Interface Builder.
>>>
>>> If I can be of any more service, let me know.
>>>
>>> Cheers,
>>>  Andrew
>>>
>>> On Feb 28, 2008, at 4:41 PM, Jeremy wrote:
>>>

>>>> This is how I am attempting to do it...
>>>>
>>>> In awakeFromNib:
>>>>
>>>>  categoriesArray = [[[NSMutableArray alloc] init] retain];
>>>>  NSString *string;
>>>>  string = [NSString init];
>>>>  string = @"Main Category";
>>>>  [categoriesArray addObject:string];
>>>>  [categories selectRow:1 byExtendingSelection:NO];
>>>>  [categories scrollRowToVisible:1];
>>>>
>>>> And my informal protocols:
>>>>
>>>> - (int)numberOfRowsInTableView:(NSTableView *)aTableView
>>>> {
>>>>  return [categoriesArray count];
>>>> }
>>>>
>>>> - (id)tableView:(NSTableView *)aTableView objectValueForColumn:
>>>> (NSTableColumn *)aTableColumn row:(int)row
>>>> {
>>>> return [categoriesArray objectAtIndex:row];
>>>> }
>>>>
>>>> The NSTableView is not being populated at all... No rows, and 
>>>> nothing else....
>>>>
>>>> Jeremy
>>>> "For a long time it puzzled me how something so expensive, so 
>>>> leading edge, could be so useless, and then it occurred to me 
>>>> that a computer is a stupid machine with the ability to do 
>>>> incredibly smart things, while computer programmers are smart 
>>>> people with the ability to do incredibly stupid things. They are, 
>>>> in short, a perfect match." - Bill Bryson
>>>>
>>>>
>>>> On Feb 28, 2008, at 7:39 PM, Hamish Allan wrote:
>>>>

>>>>> On Fri, Feb 29, 2008 at 12:34 AM, Jeremy 
>>>>> <<email_removed>> wrote:
>>>>>

>>>>>> I am trying to figure NSTableViews out. I have two table views 
>>>>>> inside
>>>>>> of my window. The code I have is completely useless and not 
>>>>>> working.
>>>>>> Can anyone explain how to populate an NSTableView using arrays? 
>>>>>> If you
>>>>>> could that would be greatly appreciated.

>>>>>
>>>>> You should explain how what you are trying to do differs from 
>>>>> what is
>>>>> covered in the various basic tutorials for using NSTableViews;
>>>>> otherwise we will not know how to address your question.
>>>>>
>>>>> Hamish

>>>>
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>>>

>>
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