http://pastie.caboo.se
Walter Lee Davis wrote: > I have a shopping cart on a page that gathers files for download. As > the user browses around the various nested folders, she can add things > to the cart, remove single items from the cart, and empty the entire > cart. At any time, she can also download the entire cart contents as a > Zip archive. > > I am managing that download using a PHP script that forces the > file-type, and thus all I do is link to a real file > (download.php?cart=N) from my page. The last step of the download > script is to empty out the cart in the database. But the list on screen > remains the same until the visitor navigates to another folder, at > which point it refreshes and declares itself empty. Which is kind of > jarring to the user. > > I tried applying a periodic updater to the cart div, and that did work, > but it also killed the other events I had registered inside that div > (the individual files' remove me buttons). It also issued a request > every five seconds, which seems extreme. > > I am experimenting with just setting a delay after the click and > checking the cart again, but that seems fragile, since I don't know how > long it might take for the server to respond with the files. If I check > before it's done, the cart will be the same (since the download hasn't > started yet and the script returned true) and if I wait too long, it > will be jarring for the user. > > Any suggestions? I can't show any code, it's all hidden inside an HTTPS > site. I could do some extractions, I guess, but I am hoping someone may > have done this before and have a bright idea or two. > > Thanks, > > Walter > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Spinoffs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-spinoffs?hl=en -~----------~----~----~----~------~----~------~--~---
