Hyperlinks in Table Views
Hyperlinks in Table Views
- Subject: Hyperlinks in Table Views
- From: David Doyle <email@hidden>
- Date: Mon, 11 Jan 2010 15:48:16 +0000
- Acceptlanguage: en-US, en-GB
- Thread-topic: Hyperlinks in Table Views
Hi all;
I'm trying to display a list of clickable hyperlinks inside a table view. The current approach I'm taking is to use a table column with a NSTextFieldCell data cell, with a value attribute that is bound to an attributed string value, constructed in a value transformer:
- (id)transformedValue: (id)value
{
NSString *siteURL = @"http://example.org";;
NSString *siteDisplayString = (NSString *)value;
NSMutableAttributedString *hyperlink = [[NSMutableAttributedString alloc] initWithString: siteDisplayString];
NSRange range = NSMakeRange(0, [siteDisplayString length]);
[hyperlink beginEditing];
[hyperlink addAttribute: NSLinkAttributeName
value: [NSURL URLWithString: siteURL]
range: range];
[hyperlink addAttribute: NSForegroundColorAttributeName
value: [NSColor blueColor]
range: range];
[hyperlink addAttribute: NSUnderlineStyleAttributeName
value: [NSNumber numberWithInt: NSSingleUnderlineStyle]
range: range];
[hyperlink addAttribute: NSFontAttributeName
value: [NSFont systemFontOfSize: [NSFont systemFontSizeForControlSize: NSSmallControlSize]]
range: range];
[hyperlink endEditing];
return [[hyperlink copy] autorelease];
}
This value transformer is used to transform an array of strings. This particular value transformer works well when transforming a single string for use in an NSTextField. My problem is that this hyperlink won't respond to mouseDown: events in the table view unless the cell is edited, which isn't the behaviour I want (it should open the hyperlink with a single click, and the table column shouldn't be editable). Am I missing something from this approach? Failing that, is there a different (better?) approach of displaying a list of hyperlinks?
Thanks in advance,
David
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