PITextField.j

@implementation PITextField : CPTextField

- (void)textDidFocus:(CPNotification)note
{
    [self _inputElement].onpaste = function(e, elName)
    {
        var originalString = [self stringValue];
        
        [self deleteBackward:self];

        var selectedRange = [self selectedRange],
            stringValue = [self stringValue],
            pasteString = e.clipboardData.getData("Text"),
            newValue = [stringValue stringByReplacingCharactersInRange:selectedRange withString:pasteString];

        [self setStringValue:newValue];
        [self setSelectedRange:CPMakeRange(selectedRange.location+pasteString.length, 0)];
        
        var modifiedString = [self stringValue];
        
        if (originalString !== modifiedString)
        {
            [self textDidChange:[CPNotification notificationWithName:CPControlTextDidChangeNotification object:self userInfo:nil]];
        }
        
        // If we don't do this, we get hit twice for some reason.
        e.preventDefault();
    };
}

- (void)textDidBlur:(CPNotification)note
{
    [self _inputElement].onpaste = null;
}

@end