I'd like to be able to type in text and drag readonly elements
(tokens) into a NSTokenField to create a custumizable string format.
Like in Apple iWorks Numers' customize cell format. The user can drag
readonly NSTokenCells into a NSTokenTextField (remaining
NSRoundedTokenStyle) and type in plain text (remaining
NSPlainTextTokenStyle). I Subclassed NSTokenFieldCell to a claas
FormatToken so that I can filter out plain text tokens and my
FormatToken by using isKindOfClass: [FormatToken class] (see code
below). I'm able to add my predefined token showing up as a
RoundedTokens and add plan text showing up as PlainTextTokens. The
problem is that when I double click the FormatToken token,
NSTokenField jumps to the editing mode and makes it a normal plain
text string. My FormatToken is being replaced by a NSTokenFieldCell
and remains displayed as NSPlainTextTokenStyle. I did set the
setEditable:NO for my FormatToken but it seems when the NSTokenField
is editable, all the Cell are forced editable. Does anyone know how to
fix this problem?
- (NSString *)tokenField:(NSTokenField *)tokenField
displayStringForRepresentedObject:(id)representedObject{
NSString * string;
if ([representedObject isKindOfClass: [FormatToken class]]) {
FormatToken * token = representedObject;
string = [token text];
} else
string = representedObject;
return string;
}
- (NSTokenStyle)tokenField:(NSTokenField *)tokenField
styleForRepresentedObject:(id)representedObject{
if ([representedObject isKindOfClass: [FormatToken class]])
return NSRoundedTokenStyle;
else return NSPlainTextTokenStyle;
}
- (IBAction)addReadOnlyFromatToken: (id)sender;{
SMutableArray * array = [NSMutableArray arrayWithArray:[tokens
objectValue]];
FormatToken * token = [[FormatToken alloc] init];
[token setText: @"Readonly Token"];
[token setEditable: NO]
[array addObject:token];
[tokens setObjectValue: array];
}
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