I'm trying to create a column with an empty string as the identifier but Cocoa seems to replace the empty string with the word "Field" every time I try to create the column. How do you go around this?
- (void)addColumnWithCheckboxToTable:(NSTableView *)table
{
// Add column with checkbox before all other columns
// This column will have no title and should be as wide as the checkbox
NSTableColumn *column = [[[NSTableColumn alloc] initWithIdentifier:@" "] autorelease];
// The checkbox is to be initialised without a title
NSButtonCell *checkbox = [[[NSButtonCell alloc] initTextCell:@" "] autorelease];
[checkbox setEditable:YES];
[checkbox setButtonType:NSSwitchButton];
[checkbox setImagePosition:NSImageOnly];
[checkbox setControlSize:NSSmallControlSize];
// Add column with checkbox to table
[column setDataCell:checkbox];
// Add column to table
[table addTableColumn:column];
}
A column's identifier is not the same thing as its title. You want to set its -headerCell's string value:
[[columnColumn headerCell] setStringValue:@""];
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