Rails - Jan 2008 - Only "form_tag" support uploading file?

Hi, there:
  I wanna use plug-in "file_column" to upload image to the server. In
my test app, the view is as follow & it works well:
===================<h1>New entry</h1>
<%= error_messages_for ''entry'' %>
<% form_tag ''create'', :multipart => true do -%>
<p><label for="entry_image">Image</label><br/>
<%= file_column_field ''entry'', ''image'' 
%></p>
<%= submit_tag ''create'' %>
<% end -%>
<%= link_to ''Back'', entries_path %>
====================
  However,  in my real app, I scaffold and nest the resource to
RESTful, the view is as follow & it errors: "Do not know how to handle
a string with value ''readme.jpg'' that was passed to a
file_column.
Check if the form''s encoding has been set to
''multipart/form-data''"

=====================<% form_for([@task, @comment]) do |f| %>
  <p>
    <b>Comment body</b><br />
    <%= f.text_area :desc %>
  </p>
  <p><label
for="comment_image">Image</label><br/>
    <%= file_column_field ''comment'',
''image''  %></p>
  <p>
    <%= f.submit button_name %>
  </p>
<% end %>
=====================
    I checked the API doc, but seems like "form_for" does not support
option ":multipart => true",  what should I do here? Anyone could
explain me what''s differ between "form_for" &
"form_tag" ??
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On 14 Jan 2008, at 15:32, myst_tt wrote:
>
>    I checked the API doc, but seems like "form_for" does not
support
> option ":multipart => true",  what should I do here? Anyone
could
> explain me what''s differ between "form_for" &
"form_tag" ??
It does, just pass it as the html options, ie
form_for :person, @person, :html => {:multipart => true}

The api docs on form_for are a good starting point from the difference  
with form_tag.

Fred


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Thanks, Frederick!

On Jan 14, 5:36 pm, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 14 Jan 2008, at 15:32, myst_tt wrote:
>
>
>
> >    I checked the API doc, but seems like "form_for" does not
support
> > option ":multipart => true",  what should I do here?
Anyone could
> > explain me what''s differ between "form_for" &
"form_tag" ??
>
> It does, just pass it as the html options, ie
> form_for :person, @person, :html => {:multipart => true}
>
> The api docs on form_for are a good starting point from the difference
> with form_tag.
>
> Fred
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myst_tt wrote:
> <h1>New entry</h1>
> <%= error_messages_for ''entry'' %>
> <% form_tag ''create'', :multipart => true do -%>
> <p><label
for="entry_image">Image</label><br/>
> <%= file_column_field ''entry'',
''image''  %></p>
> <%= submit_tag ''create'' %>
> <% end -%>
> <%= link_to ''Back'', entries_path %>
> ====================> 
Ran into this issue just now when moving from old rails version to 
2.0.2.

If you want to use form_tag instead of form_for, you must group your 
action and controller hash with brackets like this:

form_tag( {:action => ''create''}, :multipart => true ) do

Otherwise if you indicate :action with no brackets, it then thinks that 
all of your parameters belong in the same hash with :action, 
:controller, :params, etc. and puts everything you specify right into 
the querystring.  I think the above would also work without parentheses.

- sappworks
-- 
Posted via http://www.ruby-forum.com/.

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Ben,
I don''t mean to be a ''turd'' here, but that
won''t work. Here is what it
should look like:
<%=  form_tag(:url => {:action=> "create" }, :html => {
:multipart =>
true }) -%>
Kathleen

On May 6, 8:15 pm, Ben Sapp
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> myst_tt wrote:
> > <h1>New entry</h1>
> > <%= error_messages_for ''entry'' %>
> > <% form_tag ''create'', :multipart => true do
-%>
> > <p><label
for="entry_image">Image</label><br/>
> > <%= file_column_field ''entry'',
''image''  %></p>
> > <%= submit_tag ''create'' %>
> > <% end -%>
> > <%= link_to ''Back'', entries_path %>
> > ====================>
> Ran into this issue just now when moving from old rails version to
> 2.0.2.
>
> If you want to use form_tag instead of form_for, you must group your
> action and controller hash with brackets like this:
>
> form_tag( {:action => ''create''}, :multipart => true
) do
>
> Otherwise if you indicate :action with no brackets, it then thinks that
> all of your parameters belong in the same hash with :action,
> :controller, :params, etc. and puts everything you specify right into
> the querystring.  I think the above would also work without parentheses.
>
> - sappworks
> --
> Posted viahttp://www.ruby-forum.com/.
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On Fri, May 9, 2008 at 7:41 PM,
KathysKode-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
<KathysKode-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I don''t mean to be a ''turd'' here, but that
won''t work. Here is what it
> should look like:
> <%=  form_tag(:url => {:action=> "create" }, :html =>
{ :multipart =>
> true }) -%>
Rails already knows/expects the first hash will be the :url hash and
the second hash the :html.
>> form_tag( {:action => ''create''}, :multipart =>
true ) do
I, like Ben, have long prefered the perfectly acceptable (shorter)
version you choose to criticize:

http://destiney.com/blog/rails-form-tag

-1 for failing to be a proper turd.


-- 
Greg Donald
http://destiney.com/

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