On Wednesday 29 November 2006 18:13, Thomas Hervé wrote:
> Diez B. Roggisch a écrit :
> > So - is there any chance such a thing could be made (optionally) part of
> > the Async-package?
>
> If a patch is provided, why not. Until then, you have several options:
> * define the cache control in your web server (with pragma no-cache and
> cache-control).
> * Add an argument to loadJSONdoc(): loadJSONdoc('http://toto',
> {'no-cache': new Date().getTime()})
See the patch attached.
One turns on cache prevention via
MochiKit.Async.PREVENT_CACHING_PARAM = 'preventCaching';
The set value is then used as parameter-name. As by your suggestion, I use the
timestamp.
Works great for me so far. I chose the global variable way because I wanted to
be as unobtrusive as possible - after all, if you want this, I presume you
will want it everywhere, and hunting down all async calls that possibly need
an additional parameter is considerably harder.
Diez
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Index: MochiKit/Async.js
===================================================================
--- MochiKit/Async.js (revision 1225)
+++ MochiKit/Async.js (working copy)
@@ -365,6 +365,14 @@
url += "?" + qs;
}
}
+ if(self.PREVENT_CACHING_PARAM) {
+ if(url.indexOf("?") >=0) {
+ url += "&";
+ } else {
+ url += "?";
+ }
+ url += self.PREVENT_CACHING_PARAM + "=" + new Date().getTime();
+ }
req.open(opts.method, url, true, opts.username, opts.password);
if (req.overrideMimeType && opts.mimeType) {
req.overrideMimeType(opts.mimeType);
