[Squeakland] [ENH]Comma operator to Etoy strings.

[Karl Ramberg]

Scott Wallace wrote:
> 
> Hi, Karl,
> 
> Nice idea!
> 
> Four quick observations:
> 
> (1)  The little green up/down carets should not occur on the comma
> tile, since there are no alternative operators to cycle among in this
> case.

Right. 

> (2)  The balloon-help message that one gets for the comma tile is not right.

Yup.

> (3)  The extension arrow should occur not only on string-valued
> *constant* tiles, but also on string-valued *variable* tiles -- cf.
> how this is handled in the case of numeric-valued variable tiles.

I have also noticed that the string variables can't  use the 
text category tiles so you can't get the first letter of a variable etc.
I'll see if I can fix that.

> 
> (4)  The extension arrow for a string-valued tile in a
> string-assignment phrase (e.g. in "client's firstName <- Melvin")
> should appear *after* the string constant, not before.  If you expand
> (i.e. hit the right-facing green arrowhead) and then contract (i.e.
> hit the left-facing green arrowhead,) the correct effect happens.
> [This same bug occurs with the handling of numeric-valued tiles as
> well, so if you happened to be fixing it for the string case, perhaps
> you could fix it for the numeric case as well ;-)]

I noticed this. Hopefully it's something as simple as using addMorphBack:
instead of addMorph: somewhere :-)

Karl

> Cheers,
> 
>   -- Scott
> 
> At 11:19 PM +0200 9/22/03, Karl Ramberg wrote:
> >"Change Set:           ExtendableText
> >Date:                  22 September 2003
> >Author:                        Karl Ramberg
> >
> >Adds #, (comma) as an operator in Etoys strings so strings can grow."!