>On May 18, 2009, at 9:28 PM, Bright wrote:
>
>> I am a novice of Cocoa. So can you tell me detailed about the
>> specify the file type to Audio File
>> when dragging a file to tableview?
>> I tried the "validateDrop method" and NSworkspace, but failed.
>
>
>That depends. Can you please post your code?
>
Hi ,this is my code,but the code can not limit the file to Audio file :
- (NSDragOperation)tableView:(NSTableView*)tv validateDrop:(id
<NSDraggingInfo>)info proposedRow:(int)row
proposedDropOperation:(NSTableViewDropOperation)op
{
? ? [tv setDropRow:[tv numberOfRows] dropOperation:NSTableViewDropAbove];
? ? returnNSTableViewDropAbove;
}
- (BOOL)tableView:(NSTableView*)tv acceptDrop:(id <NSDraggingInfo>)info
row:(int)row dropOperation:(NSTableViewDropOperation)op
{?
? ? NSPasteboard *myPasteboard=[info draggingPasteboard];
//NSArray *typeArray=[NSSound soundUnfilteredTypes];
NSArray *typeArray=[NSArrayarrayWithObjects:NSFilenamesPboardType,nil];
? ? NSString *filePath,*availableType,*lastPathOfFileName;
? ? NSArray *filesList;
? ? int i;
? ? availableType=[myPasteboard availableTypeFromArray:typeArray];
? ? filesList=[myPasteboard propertyListForType:availableType];
? ? for (i=0;i<[filesList count];i++)
? ? {
? ? ? ? filePath=[filesList objectAtIndex:i];
lastPathOfFileName=[filePath lastPathComponent];
[songsFullPathinsertObject:filePath atIndex:row+i];
? ? ? ? [songsinsertObject:lastPathOfFileName atIndex:row+i];
? ? }
? ? [songTablereloadData];
? ? [songTableselectRow:row+i-1byExtendingSelection:NO];
returnYES;
}
thank you very much.
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