Hi again!
Thank you very much for your help. I couldn't make it work as provided, but
your code allowed me to understand the dynamics of the callbacks and all that,
so I managed to solve my problem. I understand it's not the best, cleanest
solution, but it will work for my application.
Basically I grasp what i need by checking the length of y, because it will be
large only when it contains a protein sequence.
I have this in the script tag:
var residuesVar = "";
function titi(x, y, z) {
if (y.length > 30) { residuesVar = y; alert(residuesVar)} //the alert
here is just helping me see that it received the data
return null;
}
I am doing this when I load the PDB:
set MessageCallBack 'titi'
And then this in the html, mimicking what my code will contain:
<a href="javascript:Jmol.script(jmolApplet0,'show RESIDUES')">Play with protein
sequence</a><p>
If a cleaner solution comes up, it will be welcome, but I can at least go on
with my project. Best,
Luciano
PS Your chemagic is an amazing website!
De: Otis Rothenberger <osrot...@chemagic.com>
Para: Luciano Abriata <luciano_abri...@yahoo.com>;
"jmol-users@lists.sourceforge.net" <jmol-users@lists.sourceforge.net>
Enviado: Domingo, 18 de enero, 2015 20:49:44
Asunto: Re: [Jmol-users] JSmol: how to put a protein's sequence into a
javascript variable
Luciano,
OK, a bit more than 15 minutes, but I wanted to test this:
Step One -
You need to establish the message call back. One way to do this is in your
model load script with the following:
set MessageCallback "MessageCallback"
You can call the function anything you want. Here I'm calling it
"MessageCallback."
Step Two-
I find it easier to do this with global variables because I can't always find
an identifiable handle in the actual value I want. These two globals will
hopefully be clear to you in step Three:
var messageSwitch = false;var residuesVar = "";
Globalize them by defining them outside any function.
Step Three-
Write an appropriate callback script in your function to get the value:
function MessageCallback(x, y, z) { if (messageSwitch) { residuesVar = y;
messageSwitch = false; } if (z.toLowerCase().indexOf("show residues") > -1)
{ messageSwitch = true; } return null;}
There may be a more elegant way to handle this, but I've had problems getting z
without the global trick above. For example, in "show center", the word center
is in Y - you could get it without the global two step above. Other shows,
however, do not appear to have an identifiable handle - hence the two step with
globals above.
residuesVar could of course be generic for any show value that you want to
capture. A statements like
if (z.toLowerCase().indexOf("show residues") > -1) { messageSwitch = true; }
could also be generalized for other shows.
Hastily written! Feel free to query me further...
Otis
--
Otis rothenbergero...@chemagic.com
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