[TurboGears] Re: multi-flash?

[Kevin Horn]

Rereading this article, I wonder if it would be possible/desirable to package up a widget encapsulating the "fancy status" functionality.

 

Kevin H

 

On 8/28/06, Alberto Valverde <[EMAIL PROTECTED]> wrote:

On Aug 28, 2006, at 10:14 AM, Adam Jones wrote:

I wonder if storing that in a cookie is really such a good idea? Well,

at least without telling people that it is stored in a cookie. Although

now that I think about it, how else would you do such a thing in TG?

The only other option I can think of would require identity, and I am

not even sure what I am thinking is correct. Mostly though I am worried

that people will rely on tg_flash for notifications and forget to tell

people that they need cookies turned on for that to work.

I'ts both stored in a cookie and sent in "tg_flash" to the template so both of the following snippets can work:

 

1)

 

def controller_method(....):

# save data

flash("Your data was saved")

redirect(...)

 

2)

 

def controller_method(....):

if a:

flash("a is true")

return dict(...)

 

As you can see, 1) is issuing a HTTP redirect so the only way to store state between this request and the one answering the redirect is with a cookie.

 

In 2) the message is just stored in tg_flash and shown in the same request.

 

As it has been mentioned, you can store almost anything in tg_flash if you encode it in JSON and process it client-side with _javascript_.. You can look at an example of using this technique here:

 

http://tinyurl.com/fwwza

 

HTH,

Alberto.

 

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