Otis, this is very cool but very complicated stuff for us file storage
newbies. Could you create a few very simple demo pages and point them to
us, please? If you would like, I can include those in the Jmol distribution.
Bob
On Thu, Sep 18, 2014 at 10:45 PM, Otis Rothenberger <osrot...@chemagic.com>
wrote:
> If editable divs are going to go anywhere for chemists, you have to find a
> user friendly way to include structure drawing. I've been using Resolver
> Images - a very, very clunky process. There has to be a better way. Here ya
> go...
>
> Code edited for conciseness:
>
> localStorage.setItem("myKey",
> getElementById('drawFrame').contentWindow.jsmeApplet.jmeFile());
>
> The above save of JMEfile to LS code can be fired from your draw page.
> Mine is in an iFrame on the same page as the editable div, but Local
> Storage is by domain, so it could be one page (or tab) talking to another
> (Think about that concept!) - e.g. draw app page to editable div app page.
>
> The function below, inserts an iFrame at the cursor in an editable div. It
> can be fired by a dialog that asks for a LS key (myKey in this note).
> What's being inserted is an iFrame containing Peter Ertl's simplest htm
> page set to depict and with a bit of JS that extracts myKey from a query
> string. Note that I really don't need the jmefile below, but I get it to
> test myKey validity.
>
> function strIframe(myKey) {
> var jmefile = localStorage.getItem(myKey);
> if (jmefile == null || jmefile == "") { return null; }
> var ifr = '<iframe name="drawFrame" src="JSME2.htm?lsJSME=myKey"
> scrolling="yes"
> style="width:220px;height:220px;border:0;padding:0;margin:auto"></iframe>';
> document.execCommand("insertHTML",false,ifr);
> return null;
> }
>
> Query String Extraction of myKey in Peter's page. The variable
> startingStructure
> is, if I recall, the term that Peter included in his original code for this
> page. Here the JME file is extracted and rendered in the iFrame "image" -
> i.e. Peter's page set to depict.
>
> var srch = document.location.search;
> var qsVal = "";
> var startingStructure = "";
> if (srch.indexOf("lsJSME=") >= 0) {
> qsVal = srch.split("lsJSME=")[1].split("&")[0];
> startingStructure = localStorage.getItem(qsVal);
> }
>
> No AJAX. No remote server. It can all be run locally. JSME structures and
> reactions are depicted.
>
> Otis
>
> --
> Otis Rothenberger
> o...@chemagic.com
>
>
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--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Department of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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