I don't seem to be able to pass a variable to my partial template in rails (2.3.5). My code is as follows;
In the main view .html.erb file:
<% f.fields_for :payments do |payment_form| %>
<%= render 'payment', {:f => payment_form, :t => "test" } %>
<% end %>
and in the _payment.html.erb file:
<%= t %>
produces a wrong number of arguments (0 for 1) error. The payment_form object is being passed to the partial as f without any problems. I've tried a number of variations on the above syntax (e.g. :locals => {:f => payment_form, :t => "test" } without success. I presume I'm doing something pretty basic wrong but just can't see it.
It's probably because t() is a reserved view helper method used for I18n. Just rename it to something more descriptive
Try
render :partial => 'payment', :locals => {:t => 'test'}
Have you tried
<%= render 'payment', :f => payment_form %>
I'm not sure what the :t is for, but rails is obviously saying that you should only be passing in one extra parameter with the wrong number of arguments (0 for 1) error.
Related
I have the following in a view file:
<%= render :partial => "medium_deal", :collection => category_locales, :as => :deal_locale %>
In my partial template file, I want to print out all attributes for deal_locale. How can I do that? (Basically, a var_dump in PHP)
I'm assuming this is just for debugging purposes? If so
<% logger.info "#{deal_locale.inspect}" %>
should do the trick.
Or, if you really want to see it in your browser, just
<%= "#{deal_locale.inspect}" %>
I am using rails 3.1. I have a view products/show.html.erb and I call a partial like this
<%= render 'productrelationships/relatedproduct',:collection => #product.relatedproducts %>
and i access it in this way inside my partial (productrelationship/_relatedproduct)
<% logger.error 'Related Products ' + relatedproduct.inspect %>
The inspect returns a nil. But if I try the same inside my show.html.erb, it is not nil. There is some mistake in passing the value. What am I doing wrong?
Found the answer. It started working when i added :partial while rendering
<%= render :partial => 'productrelationships/relatedproduct',:collection => #product.relatedproducts %>
Need to specify the local variable.
<%= render :partial => 'productrelationships/relatedproduct',
:collection => #product.relatedproducts,
:as => :relatedproduct %>
I render a partial like so:
<%= render :partial => 'widgets/some_partial, :locals => {:foo => 'bar'} %>
So inside of _some_partial.html.erb I render two more partials like so:
<% #foo.nil? #=> false %>
<%= render :partial => 'widgets/another_partial', :locals => {:foo => foo} %>
`<%= render :partial => 'widgets/another_partial_again', :locals => {:foo => foo} %>`
The foo local variable renders fine in some_partial.html.erb and even in another_partial_again.html.erb. However, the foo variable is inaccessible in another_partial.html.erb even though I explicitly passed it in the render call.
What is happening here?
Thanks for the help.
I had the undefined local variable or method error come up for me too when I was rendering a partial with :locals defined.
However, I had a different issue causing my problem, so I thought I would share my solution in case it helps anyone else. (This page was the first result when I googled this error after all)
Basically just make sure you use :partial => 'path/to/partial' in your call to render.
I.e.
<%= render :partial => 'widgets/some_partial', :locals => {:foo => 'bar'} %>
NOT like I was doing:
<%= render 'widgets/some_partial', :locals => {:foo => 'bar'} %>
Easy for a rails/ruby newbie like me to miss.
Solved. Turns out I was also rendering the same partial from the controller without sending the proper local variables. Thanks anyways!!!
Bumped into this very old question cause I faced the same issue.
Turned out that with Rails 4+ if you are not using collections or layout the correct way is:
# Instead of <%= render partial: "account", locals: { account: #buyer } %>
<%= render "account", account: #buyer %>
As documented here.
I have a partial that I want rendered with a collection and another variable. Is it possible to pass more than one variable to a partial?
To illustrate:
Category HABTM Brands
This is just semi-pseudo-code, but I want to do something like:
<% #categories.each do |c| %>
<%= c.name %>
<%= render :partial => "mypartial", :collection => c.brands, :object => c.id %>
<% end %>
The partial needs the category id as well as the "current_brand". Any ideas?
Inside of your view, you pass a hash to the :locals key-value pair in the options hash argument.
<%= render :partial => 'partial', :locals => { :foo => 'a', :bar => 'b' } %>
... and these keys become available as variables in your partials.
Foo is: <%= foo %>
Bar is: <%= bar %>
You can give a partial any number of variables with the :locals option. It takes a hash of variable names and values.
So I've got a form in my Rails app which uses a custom FormBuilder to give me some custom field tags
<% form_for :staff_member, #staff_member, :builder => MyFormBuilder do |f| %>
[...]
<%= render :partial => "staff_members/forms/personal_details", :locals => {:f => f, :skill_groups => #skill_groups, :staff_member => #staff_member} %>
[...]
<% end %>
Now, this partial is in an area of the form which gets replaces by an AJAX callback. What I end up doing from the controller in response to the AJAX request is:
render :partial => "staff_members/forms/personal_details", :locals => {:skill_groups => #skill_groups, :staff_member => #staff_member}
However, if I do that then the form breaks, as the FormBuilder object I used in the form_for is no longer available. Is there any way for me to use my custom FormBuilder object inside a partial used for an AJAX callback?
Use fields_for inside your partial. It performs a similar task but without wrapping the form tags. See the API docs.
how about this?
#template.with_output_buffer do
#template.form_for #model_object do |f|
f.fields_for :some_nested_attributes do |ff|
render :partial => 'nested_attributes', :object => #model_object, :locals => {:form => ff}
end
end
end
this would be especially useful is you need to use the nested fields_for in the partial
You could instantiate a new instance of your form builder in the controller, though it feels sort of lousy to me:
# in the controller
render :partial => {
:f => MyFormBuilder.new(:staff_member, #staff_member, template),
:skill_groups => #skill_groups,
:staff_member => #staff_member
}
Alternatively, you could move more of the update logic to be client side which wouldn't require you to worry about rendering anything at all. You could just update the values via JS. Not sure if that works for your project though.
Maybe I'm a little late in the game here, and maybe I don't understand the question properly, but in ApplicationHelper.rb I think you can just add the line:
ActionView::Base.default_form_builder = MyFormBuilder
You can submit within your ajax call the content of f.object_name (it's also works with partials) and use it to render tags defined in http://api.rubyonrails.org/classes/ActionView/Helpers/FormTagHelper.html passing it as the first argument.