I took a look at the technique discussed at the link and it is just using BlockUI to put up an overlay which blocks screen interaction. However, the problem is, the timing of the disappearance of the overlay is arbitrary...at least as far as I could tell.
There's no way to start it and stop it precisely as the ajax function begins and the images processing is complete. I could throw up an overlay without a problem when my ajax call is initiated, but controlling fading out the overlay after the images are processed is the problem...and there could be 1 to 20 images, so the processing time required can vary greatly. Perhaps I may have to rethink using ajax in this situation...or at least modify the approach somewhat to accommodate the timing needs. I had high hopes that setting async: false would solve the problem. But again, I don't think async:false has anything to do with CF trying to process images in the background. Rick -----Original Message----- From: Rick Faircloth [mailto:[email protected]] Sent: Tuesday, September 22, 2009 11:13 PM To: cf-talk Subject: RE: CF & jQuery - How to delay ajax completion until images are processed... Thanks for the tip, James... I tried to use the setting "async: false" in the ajax parameters, but that didn't seem to have any effect. I wish I could somehow let the image processing continue even if the "close" button on the success dialog is clicked. But that causes the processing to stop. It might work if I weren't re-writing the property list on the screen after adding a property, but that defeats the whole purpose of using ajax. Clients have commented about the length of time it takes for all the image processing to occur. I even tried putting the image processing part of the cfc method into a cfthread, but that didn't seem to help, either. I'll check out your link...perhaps that's the answer. Rick -----Original Message----- From: James Holmes [mailto:[email protected]] Sent: Tuesday, September 22, 2009 11:01 PM To: cf-talk Subject: Re: CF & jQuery - How to delay ajax completion until images are processed... It sounds like you need a synchronous request e.g.: http://stackoverflow.com/questions/133310/how-can-i-get-jquery-to-perform-a- synchronous-rather-than-asynchronous-ajax-req Of course, if you have to wait for a response, it may be worth simply doing a normal post rather than using ajax. mxAjax / CFAjax docs and other useful articles: http://www.bifrost.com.au/blog/ 2009/9/23 Rick Faircloth <[email protected]>: > > Got a combination CF & jQuery question for those of you who use > both.usually, I can get > > a better response from folks who use CF & jQuery than I can from those who > use only jQuery. > > > > I've got an ajax call (not AJAX call.) that inserts property data into a > database then processes from 1 to usually > > no more than around 10 images, creating multiple sizes, etc. > > > > The problem I'm having is that the ajax call, being asynchronous, returns > back to the calling > > page and continues executing instructions before the images are all > processed. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:326525 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
