Flash in a tag module

Hi all,

I’m doing some work on an extension, and I’m run into an issue. I’d
like to pass validation errors on a form back to the tag that draws the
form. ala:

module FormTags
include Radiant::Taggable

desc %{
Displays the form
}
tag “form” do |tag|
form = ‘’
if flash[:error]
form << ‘’+flash[:error]+’
end

end
end

So, how do I access that? controller.flash doesn’t work, and nor does
flash (or passing a variable through the class scope).

Thanks for any ideas-


Matthew B. :: 607 227 0871
Resume & Portfolio @ http://madhatted.com

Tags exist in the Page model (or a subclass) when processing, so they
really only have access to the model layer. However, the Page model
has available to it the request and response objects. There are other
ways to tackle the problem, but you could try getting the information
from the response object. I believe the flash is stored in the session.

if response.session[‘flash’][:error]

do something

end

Cheers,

Sean

On Mon, 2007-04-23 at 22:44 -0400, John W. Long wrote:

No the flash won’t work because sessions are off for the SiteController.

Oh hell that’s right. So I could either go in and enable them (alter
radiant), or maybe I’ll just hack it instead.

But yeah, knowing that response is in the scope should give me a start
if I do use sessions. Thanks alot Sean, John.


Matthew B. :: 607 227 0871
Resume & Portfolio @ http://madhatted.com

Sean C. wrote:

Tags exist in the Page model (or a subclass) when processing, so they
really only have access to the model layer. However, the Page model
has available to it the request and response objects. There are other
ways to tackle the problem, but you could try getting the information
from the response object. I believe the flash is stored in the session.

if response.session[‘flash’][:error]

do something

end

No the flash won’t work because sessions are off for the SiteController.

So there is really not an easy answer.


John L.
http://wiseheartdesign.com

Then in the tag:

request.params[:error]

Only issue is rails doesn’t put the GET params into the request.params
object, it only puts them in the params object, which isn’t accessible
from the tag.

Try request.parameters[:error]. params is a shorthand introduced in
ActionController I believe.

Sean

On Tue, 2007-04-24 at 09:50 -0500, Sean C. wrote:

ActionController I believe.

That did it! Thanks Sean.


Matthew B. :: 607 227 0871
Resume & Portfolio @ http://madhatted.com

On Mon, 2007-04-23 at 21:00 -0500, Sean C. wrote:

Tags exist in the Page model (or a subclass) when processing, so they
really only have access to the model layer. However, the Page model
has available to it the request and response objects. There are other
ways to tackle the problem, but you could try getting the information
from the response object. I believe the flash is stored in the session.

if response.session[‘flash’][:error]

do something

end

Ugh, well as was mentioned sessions are off, So I’m instead attempting
to pass the info back in a get string during a redirect:

redirect_to “action”=>“show_page”, “url”=>[“about”],
“controller”=>“site”, “error” => error

Then in the tag:

request.params[:error]

Only issue is rails doesn’t put the GET params into the request.params
object, it only puts them in the params object, which isn’t accessible
from the tag.

Any ideas on that?


Matthew B. :: 607 227 0871
Resume & Portfolio @ http://madhatted.com

What if you set a local variable in the Page model? You could use an
attr_accessor method called Page#flash.

Or, you could use a cattr_accessor and define some flash methods like
this:

class Page < …
cattr_accessor :flash

def self.flash=(message)
@@flash = {}
@@flash[:message] = message
end

def self.flash(key)
@@flash.delete(key)
end
end

Obviously, that logic isn’t the greatest, and I haven’t tested this.
If it works though please let us know.

On Apr 24, 2007, at 8:30 AM, Matthew B. wrote:

from the response object. I believe the flash is stored in the
Oh hell that’s right. So I could either go in and enable them (alter


Radiant mailing list
Post: [email protected]
Search: http://radiantcms.org/mailing-list/search/
Site: http://lists.radiantcms.org/mailman/listinfo/radiant


Ryan H.
Art of Mission, Inc.
3720 Gattis School Rd #800 PMB 245
Round Rock, TX 78664

800-722-1492 (phone)

www.artofmission.com
[email protected]

This forum is not affiliated to the Ruby language, Ruby on Rails framework, nor any Ruby applications discussed here.

| Privacy Policy | Terms of Service | Remote Ruby Jobs