I have seen this code in this repository:
<%= link_to(:controller => 'account', :action => 'select', :account_id => account.customer_id) { account.customer_id.to_s } %>
(<%= account.login %> / <%= account.company_name %> )
This actually converts to the following HTML:
<a account_id="8282277272" action="select" controller="account">8282277272</a>
( loginname / companyname )
I am wondering how would you pass a block to link_to in order to make this work?
I think this is what you're looking for. The stuff inside the "do..end" will be put inside the a tag.
<%= link_to(:controller => 'account', :action => 'select', :account_id => account.customer_id) do %>
(<%= account.login %> / <%= account.company_name %> )
<% end %>
It should produce
<a href="<path to controller with account_id parameter>">
(username / Company, Inc.)
</a>
What was happening in your original code was that the expression { account.customer_id.to_s } was being passed as the block to link_to. If you want the customer id to be displayed along with the "login" and "company_name", put it inside the block.
<%= link_to(account_select_path(:account_id => account.customer_id.to_s)) do%>
<%= account.customer_id.to_s %>
<%end%>
(<%= account.login %> / <%= account.company_name %> )
and in your config/routes.rb, in the beginning of the file, add
match 'account/select' => "account#select", :as => :account_select
Related
Believe you can help me.
I'm trying to add new functionality to legacy code (Typo). But it seems that there is some problem about routing.
In the project routes are generated the following way:
%w{advanced cache categories comments content profiles feedback general pages
resources sidebar textfilters themes trackbacks users settings tags redirects seo post_types }.each do |i|
match "/admin/#{i}", :to => "admin/#{i}#index", :format => false
match "/admin/#{i}(/:action(/:id))", :to => "admin/#{i}", :action => nil, :id => nil, :format => false
end
My functionality is about merging articles. For that I've added new action in the /admin/content controller:
def merge
#some code here
end
A piece of a view partial (_form.html.erb) added by me:
<% if current_user.admin? and !#article.id.nil?%>
<div class=''>
<h4><%= _("Merge Articles") %></h4>
<%= label_tag :merge_with, 'Article ID' %><%= text_field_tag :merge_with, nil, :size => 20 %>
<%= button_to 'Merge', admin_content_merge_path(:id => #article.id) %>
</div>
<%end%>
This partial is rendered by another partial (_edit.html.erb)
<%= form_tag(form_action, :id => "#{form_type}_form", :enctype => "multipart/form-data", :class => className) do %>
<%= render :partial => "form" %>
<% end %>
And finally _edit.html.erb is rendered by view new.html.erb
<%= render "admin/shared/edit", { :form_type => "article", :form_action => { :action => "new", :id => #article.id , :class => ('autosave')} } %>
The problem is how to write a correct route for the controller action above which will allow me to render an edit page containing newly merged article. I wrote:
match "/admin/content/merge/:id" => "admin/content#merge",:as => 'admin/content/merge'
rake routes output:
admin_content_merge /admin/content/merge/:id(.:format) {:controller=>"admin/content", :action=>"merge"}
But the new or edit action is being invoked as I can see.
Apparently, my route is wrong, isn't it?
Could you please help me with this.
Thanks in advance!
Update
Up-to-date new.html.erb:
<% #page_heading = _('New article') %>
<%= render "admin/shared/edit", { :form_type => "article", :form_action => { :action => "new", :id => #article.id , :class => ('autosave')} } %>
<% if current_user.admin? and !#article.id.nil?%>
<%= form_tag "/admin/content/merge/#{#article.id}" do %>
<h4><%= _("Merge Articles") %></h4>
<%= label_tag :merge_with, 'Article ID' %>:
<%= text_field_tag :merge_with %><br />
<%= submit_tag "Merge" %>
<% end %>
<% end %>
Read the hint from the course:
HINT:Nesting is invalid in HTML.
That means that you can't nest form tags, don't put the form tag in another form tag, your nested form wont be able to do a correct action.
Since you have to put your code at the end of the page, try and see how to do it with having your merging form tag below the main edit article form tag. So basically you can find where the big form tag ends and put it below it.
Try to see if you can figure it out, and if not, don't hesitate to ask :)
Btw. I think everybody had some problem with this
I've got a problem to get my partial working.
I want to pass an object via a local variable to a partial, but I get a
undefined method `model_name' for NilClass:Class
error all the time. But the variable is passed over because I can call it in the partial with .to_yaml, which gives me all the variables properties.
But when I try to use it in a form_for I get that error.
Maybe it has something to do with my db query. Because when i try to call it with another local variable there is no error. But my query should produce a single object, or am I wrong with that?
Here is my show.html.erb:
<%= #partneroffer = Partneroffer.where(:partner_id => #partner.id, :yearname_id => year.id).first %>
<%= render :partial => "form2", :locals => { :partneroffer => #partneroffer } %>
And here is my partial (_form2.html.erb):
<%= form_for partneroffer , :html => { :class => 'form-horizontal' } do |f| %>
<%= f.label :partnerstatus_id, :class => 'control-label' %>
<%= f.collection_select(:partnerstatus_id, Partnerstatus.all, :id, :name) %>
<%= f.submit nil, :class => 'btn btn-primary' %>
<%= link_to t('.cancel', :default => t("helpers.links.cancel")),
partner_year_terms_path, :class => 'btn' %>
<% end %>
It could be that in your partial, partneroffer is a nil object, so it doesn't have the method "model_name".
You are rendering the view the right way, and you are passing the locals the right way, however, are you sure that Partneroffer.where(:partner_id => #partner.id, :yearname_id => year.id).first is not getting a nil value? Try this code in show.html.erb:
<%- #partneroffer = Partneroffer.where(:partner_id => #partner.id, :yearname_id => year.id).first %>
<%- if #partneroffer %>
<%= render :partial => "form2", :locals => { :partneroffer => #partneroffer } %>
<%- else %>
#partneroffer is nil!!!!
<%- end %>
I've found the solution based on one of the related topics (Render :partial a random object from DB by id, in custom form)! The problem was that I have to call the partial four times. But in only one case there was a record in my query results. Each time there wasn't a record rails threw this error message. I knew there was at least a result in one of the partial calls but wasn't aware that there has to be one in each result. Thx to weexpectedthis!
<%= link_to (:controller => "company_stuff", :action => "index", :anchor => :menu), :class => 'links' do %>
<li>Terms of Use</li>
<% end %>
I am having difficulty linking a page which is on a different controller and also the link is an anchor. Basically the controller is called company_stuff the action is index and the anchor is called #terms
The problem was that the :controller :action :anchor was not being passed through as a hash, separate from the CSS class
Below is the solution
<%= link_to "Terms Of Use", {:controller => "company_stuff", :anchor => "terms"}, :class => "links" %>
I believe you can try something like this
<%= link_to index_company_stuff_path + "#terms", :class => 'links' do %>
<li>Terms of Use</li>
<% end %>
Or
<%= link_to index_company_stuffs_path + "#terms", :class => 'links' do %>
<li>Terms of Use</li>
<% end %>
Depending on your controller name and route.
You can find more information on this question How to create an anchor and redirect to this specific anchor in Ruby on Rails
In my project I have the following form_tag to select a Site
<%= form_tag({:controller => "hvacs", :action => "index"}, :method => "get") do %>
<div class="field">
<%= select :p, :site_sel, #user_sites.map{|s| [s.name, s.id]} %>
</div>
<div class="actions">
<%= submit_tag("Select site") %>
</div>
<% end %>
This form_tag updates the index page through calling its method in the controller again.
I have the following button_to
<td><%= button_to 'Select', {:controller => "hvacs", :action => "select"}, :method => "get" %></td>
I would like to achieve a similar update with this as above rather than redirect to a new page with "select_path" etc, but the above does not seem to work.
How can I achieve this? Cheers!
OK, this looked so much like my AJAX problem, I tried to make it one!
I think all you need is a simple render statement in your select action
render :index
or
render :action => 'index'
But see http://guides.rubyonrails.org/layouts_and_rendering.html#using-redirect_to for more.
The following solution worked. Apologies if I was not so clear on what I was looking for.
<%= button_to 'Select', review_hvacs_path(:h => hvac, :a => params[:a], :s => params[:s]) %>
I was trying to pass parameters with the button, while staying on the review page.
I am using link_to img tag like following
<%= link_to image_tag("Search.png", :border=>0, :class => 'dock-item'),
:action => 'search', :controller => 'pages'%><span>Search</span></a>
Which results in following html
<a href="/pages/search"><img alt="Search" border="0" class="dock-item"
src="/images/Search.png?1264132800" /></a><span>Search</span></a>
I want the class="dock-item" to go to the <a> tag instead of the img tag.
How can i change this?
Update:
<%= link_to image_tag("Search.png", :border=>0), :action => 'search',
:controller => 'pages', :class => 'dock-item' %>
results in
<a href="/pages/search?class=dock-item"><img alt="Search" border="0"
src="/images/Search.png?1264132800" /></a>
hi you can try doing this
link_to image_tag("Search.png", border: 0), {action: 'search', controller: 'pages'}, {class: 'dock-item'}
or even
link_to image_tag("Search.png", border: 0), {action: 'search', controller: 'pages'}, class: 'dock-item'
note that the position of the curly braces is very important, because if you miss them out, rails will assume they form a single hash parameters (read more about this here)
and according to the api for link_to:
link_to(name, options = {}, html_options = nil)
the first parameter is the string to be shown (or it can be an image_tag as well)
the second is the parameter for the url of the link
the last item is the optional parameter for declaring the html tag, e.g. class, onchange, etc.
hope it helps! =)
Just adding that you can pass the link_to method a block:
<%= link_to href: 'http://www.example.com/' do %>
<%= image_tag 'happyface.png', width: 136, height: 67, alt: 'a face that is unnervingly happy'%>
<% end %>
results in:
<a href="/?href=http%3A%2F%2Fhttp://www.example.com/k%2F">
<img alt="a face that is unnervingly happy" height="67" src="/assets/happyface.png" width="136">
</a>
This has been a life saver when the designer has given me complex links with fancy css3 roll-over effects.
Best will be:
link_to image_tag("Search.png", :border => 0, :alt => '', :title => ''), pages_search_path, :class => 'dock-item'
this is my solution:
<%= link_to root_path do %>
<%= image_tag "image.jpg", class: "some class here" %>
<% end %>
Easy:
<%= link_to image_tag("Search.png", :border=>0), :action => 'search', :controller => 'pages', :class => 'dock-item' %>
The first param of link_to is the text/html to link (inside the a tag). The next set of parameters is the url properties and the link attributes themselves.
I tried this too, and works very well:
<%= link_to home_index_path do %>
<div class='logo-container'>
<div class='logo'>
<%= image_tag('bar.ico') %>
</div>
<div class='brand' style='font-size: large;'>
.BAR
</div>
</div>
<% end %>
To respond to your updated question, according to http://api.rubyonrails.org/classes/ActionView/Helpers/UrlHelper.html...
Be careful when using the older argument style, as an extra literal hash is needed:
link_to "Articles", { :controller => "articles" }, :id => "news", :class => "article"
# => Articles
Leaving the hash off gives the wrong link:
link_to "WRONG!", :controller => "articles", :id => "news", :class => "article"
# => WRONG!
The whole :action =>, :controller => bit that I've seen around a lot didn't work for me.
Spent hours digging and this method definitely worked for me in a loop.
<%=link_to( image_tag(participant.user.profile_pic.url(:small)), user_path(participant.user), :class=>"work") %>
Ruby on Rails using link_to with image_tag
Also, I'm using Rails 4.
Hey guys this is a good way of link w/ image and has lot of props in case you want to css attribute for example replace "alt" or "title" etc.....also including a logical restriction (?)
<%= link_to image_tag("#{request.ssl? ? #image_domain_secure : #image_domain}/images/linkImage.png", {:alt=>"Alt title", :title=>"Link title"}) , "http://www.site.com"%>
Hope this helps!
<%= link_to root_path do %><%= image_tag("Search.png",:alt=>'Vivek',:title=>'Vivek',:class=>'dock-item')%><%= content_tag(:span, "Search").html_safe%><% end %>
You can also try this
<li><%= link_to "", application_welcome_path, class: "navbar-brand metas-logo" %></li>
Where "metas-logo" is a css class with a background image