Rails - Oct 2007 - CSS style disappear when using RJS and page.replace

Hi! I''m using RJS to process a form in a partial (_newtask.rhtml) and
replace a partial (_tasks.rhtml) in the same view (index.rhtml):

* _newtask.rhtml-view *
<%= form_remote_tag :update => "tasks", :url => { :action
=> ''create'' }
%>

* task_controller.rb *
def index
    @task = Task.new
    @projects = Project.find(:all)
    @tasks = Task.find(:all)
    @timeframes = Timeframe.find(:all)
    @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
    @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id =
2")
    @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id =
3")
    @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")
end

def create
    @newtask = Task.new(params[:task])
    @newtask.save
    @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
    @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id =
2")
    @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id =
3")
    @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")
end

* create.rjs-template *
page[:tasks].replace :partial => "tasks"

When submitting the form and the _tasks-partial updates, the CSS-styling
has disappeared. What have I missed?


Also, is there a way that I can leave out the @task_today etc. from the
create-method. Doesn''t seem very DRY ;)

Thanks!
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Why would you need

   @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
   @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id =
2")
   @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id =
3")
   @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")

when creating?

On 10/8/07, Gus Vs
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Hi! I''m using RJS to process a form in a partial (_newtask.rhtml)
and
> replace a partial (_tasks.rhtml) in the same view (index.rhtml):
>
> * _newtask.rhtml-view *
> <%= form_remote_tag :update => "tasks", :url => {
:action => ''create'' }
> %>
>
> * task_controller.rb *
> def index
>     @task = Task.new
>     @projects = Project.find(:all)
>     @tasks = Task.find(:all)
>     @timeframes = Timeframe.find(:all)
>     @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
>     @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id
= 2")
>     @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id
= 3")
>     @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")
> end
>
> def create
>     @newtask = Task.new(params[:task])
>     @newtask.save
>     @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
>     @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id
= 2")
>     @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id
= 3")
>     @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")
> end
>
> * create.rjs-template *
> page[:tasks].replace :partial => "tasks"
>
> When submitting the form and the _tasks-partial updates, the CSS-styling
> has disappeared. What have I missed?
>
>
> Also, is there a way that I can leave out the @task_today etc. from the
> create-method. Doesn''t seem very DRY ;)
>
> Thanks!
-- 
Ramon Tayag

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> Why would you need
> 
>    @tasks_today = Task.find(:all, :conditions => "timeframe_id =
1")
>    @tasks_thisweek = Task.find(:all, :conditions => "timeframe_id =
2")
>    @tasks_nextweek = Task.find(:all, :conditions => "timeframe_id =
3")
>    @tasks_later = Task.find(:all, :conditions => "timeframe_id =
4")
> 
> when creating?
It doesn''t seem very DRY does it :) But if I leave them out I get
"You
have a nil object when you didn''t expect it!" error in
_tasks.rhtml.
This probably relates to why the CSS doesn''t load, but I don''t
know
how...
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Ah, you might wanna paste your partial too (_tasks). :)

On 10/8/07, Gustav Stockholm
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> It doesn''t seem very DRY does it :) But if I leave them out I get
"You
> have a nil object when you didn''t expect it!" error in
_tasks.rhtml.
> This probably relates to why the CSS doesn''t load, but I
don''t know
> how...
-- 
Ramon Tayag

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Ramon Tayag wrote:
> Ah, you might wanna paste your partial too (_tasks). :)
I use the RJS to render the partial, is there some reference that I need 
to do in the RJS that I''m missing?
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Honestly I can''t explain why your styles are lost.. but it might help
if you paste your partial as well, since we know what your rjs does.

On 10/8/07, Gustav Stockholm
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> I use the RJS to render the partial, is there some reference that I need
> to do in the RJS that I''m missing?
-- 
Ramon Tayag

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Here it goes, many thanks for any input!

index.rhtml
<div id="screen">
  <div id="new_task">

    <%= render :partial => "newtask" %>

  </div>
  <div id="tasks">

    <%= render :partial => "tasks" %>

  </div>
</div>


_newtask.rhtml
<%= form_remote_tag :update => "tasks",
                    :url => { :action => ''create'' }
%>

<%= text_field :task, :description %>

<%= collection_select(:task, :project_id,
                      @projects, :id, :name) %>

<%= collection_select(:task, :timeframe_id,
                      @timeframes, :id, :name) %>

<%= submit_tag ''Create!'', :id =>
''submit'' %>

<%= end_form_tag %>


_tasks.rhtml
<div id="today">
  <h2>Today</h2>
  <ul>
  <% @tasks_today.each do |task| %>
     <li id="task_<%= task.id %>" class="<%=
''completed'' if
task.completed == 1 %>">
      <div class="checkbox"><%= check_box :task, :completed,
                                          :onchange => 
"$(''task_#{task.id}'').toggleClassName(''completed'');"
%></div>
      <div class="description"><%= task.description
%></div>
      <div class="actions"><%= link_to_remote
''Delete'', :url => {
                                                        :action => 
''destroy'', :id => task }, :update => :tasks
%></div>
      <div class="project"><%= task.project.name
%></div>
     </li>
  <% end %>
  </ul>
</div>
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Gosh, you got me.  I don''t know why your CSS wouldn''t work
with this.
My only guess is that the CSS doesn''t apply to this because the div
names are different...? :eek:

On 10/8/07, Gustav Stockholm
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Here it goes, many thanks for any input!
-- 
Ramon Tayag

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Found it! Some sort of conflict: I needed to remove ":update =>
"tasks"
from form_remote_tag. Also I moved the div-declaration into the 
partials. Thanks!
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