Hello, i have a binding setup in IB like this:
http://mt15.quickshareit.com/share/picture1f06b0.png
where the cellData is a function in the class CPDownload:
- (id) cellData
{
return self;
}
Then there is the CPDownloadQueue that has a NSArray with CPDownloads, and
updates them like this:
self.downloads = [downloads arrayByAddingObject: download];
Im getting 2 problems, first im getting this in my NSTableView ( removing my
custom drawing functions):
http://mt14.quickshareit.com/share/picture23dd4d.png
And im getting random crashes like this one:
*2008-02-27 13:38:28.746 CelerPeal[7986:4e07] Cannot remove an observer
<NSTableBinder 0x104a860> for the key path "cellData" from <CPHTTPDownload
0x1066a90> because it is not registered as an observer.*
*2008-02-27 13:38:28.756 CelerPeal[7986:4e07] *** Terminating app due to
uncaught exception 'NSRangeException', reason: 'Cannot remove an observer
<NSTableBinder 0x104a860> for the key path "cellData" from <CPHTTPDownload
0x1066a90> because it is not registered as an observer.'*
*2008-02-27 13:38:28.758 CelerPeal[7986:4e07] Stack: (*
* 2515173963,*
* 2443694331,*
* 2515173419,*
* 2515173482,*
* 2447820429,*
* 2447819876,*
* 2497527775,*
* 2497526877,*
* 2499729091,*
* 2499760919,*
* 2499760497,*
* 2499759889,*
* 2447816078,*
* 2447359557,*
* 2497528158,*
* 2497527903,*
* 2499739272,*
* 2499751144,*
* 2499750152,*
* 2499745122,*
* 2447816078,*
* 2447277858,*
* 20549,*
* 20637,*
* 2447703578,*
* 2447703425,*
* 2526685110,*
* 2526673184,*
* 2526671065,*
* 2514675246,*
* 2514677016,*
* 2447506197,*
* 19442,*
* 2447291821,*
* 2447290708,*
* 2470685781,*
* 2470685458*
*)*
But not only related to cellData, i also get similar crashes from fields in
CPDownload: status, downloadedBytes ...
I have no clue why this is happening, maybe my copyWithZone is wrong?
- (id)copyWithZone:(NSZone *)zone
{
CPDownload *copy = [[CPDownload allocWithZone: zone] init];
copy.urlString = self.urlString;
copy.fileName = self.fileName;
copy.errorMessage = self.errorMessage;
copy.status = self.status;
copy.segments = self.segments;
copy.progress = self.progress;
copy.speed = self.speed;
copy.size = self.size;
copy.segmentSize = self.segmentSize;
copy.downloadedBytes = self.downloadedBytes;
copy.numberOfSegments = self.numberOfSegments;
copy.dateAdded = self.dateAdded;
copy.persistenceType = self.persistenceType;
return copy;
}
Any suggestions will be appreciated.
Ty, Miguel Coxo
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