[Biococoa-dev] new svn repository
Koen van der Drift
kvddrift at earthlink.net
Thu Mar 23 21:03:33 EST 2006
On Mar 23, 2006, at 5:18 AM, Alexander Griekspoor wrote:
> checkout went fine, I'll have a look at the demo later...
>
Alex,
I just started converting the BCAppDemo, and have some questions for
you. In the complement, etc methods, you use the following code:
- (IBAction)complement:(id)sender{
NSString *replacement;
NSTextStorage *ts = [sequenceTextView textStorage];
if([ts length] == 0){
NSBeep();
return;
}
NSRange sel = [sequenceTextView selectedRange];
if(sel.length > 0) {
replacement = [[[ts attributedSubstringFromRange: sel] string]
convertToComplement];
[ts replaceCharactersInRange: sel withString: replacement];
[sequenceTextView setSelectedRange: sel];
}
else {
replacement = [[ts string]convertToComplement];
[sequenceTextView setString: replacement];
}
}
1. Why are you using textStorage and attributedstring, instead of
just the string from the NSTextView?
2. If there is a selection, you seem to be just calculating the
complement of that part, and leave the rest intact, is that correct?
When using the BCSequence, I will probably use code similar to:
BCSequence *original = [BCSequence initWithString: [sequenceTextView
string]];
BCSequence *complement = [original complement];
[sequenceTextView setString: [complement sequenceString]];
However, I will wait for your comments about the selection range
before I implement it.
cheers,
- Koen.
More information about the Biococoa-dev
mailing list