Hi
I think I''m still in the newbie class of Rails programmers and I may
be trying to run before I can walk so this question may have a very
simple answer.
I have a page with a small form on it, say Orders. That works fine.
Associated with this form is an additional data set that has a many to
one relationship with Orders, say Line Items. This too is fine.
What I want to do is display the orders form and below that allow
users to display, add, edit and delete line items. The line items are
to be hidden when the form is first displayed with a link that rolls
down the line items and another that rolls them back up again. When
they roll down there''s a link next to each allowing the user to delete
the line item.
Most of this I have working!
They can click a Show Line Items lino_to_remote that displays the line
items:
<%= link_to_remote ''Show Line Items'',
:update => ''line_items'',
:url => { :action => ''list'', :controller =>
''line_items'', :id =>
@order.id },
:complete => visual_effect(:blind_down, ''line_items'')
%>
My list method looks like:
def list
@lineitems = Lineitem.find(:all, :conditions => "order_id
#{params[:id]}")
render :partial => ''list''
end
My partial looks like:
<p>Click a line item to edit it.</p>
<% for lineitem in @lineitems %>
<% @lineitem = lineitem %>
<p>
<%= in_place_editor_field :lineitem, :name, {}, {} %>
<%= link_to ''Delete'', { :action =>
''destroy'', :id =>
@lineitem, :controller => ''lineitem'' },
:confirm => "Are you sure you want to delete this challenge?",
:method => :post %>
</p>
<% end %>
I have a similar link_to_remote that hides them again with a blind_up.
I''d like to know if I can do the hide without a call back to the list
action, I guess I can use any dummy action that avoids a trip to the
database? Anyway that bit works, I can show and hide my line items
fine.
What I can''t get my head around is how to refresh my list of line
items when I add one or delete one? The actual addition and deletion
work in that the database is updated; but I then want to refresh my
list and I can''t figure out just how to do this.
Any pointers gratefully received.
Thanks
David
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Hi David You may want to look at Active Scaffold... On Oct 23, 9:15 pm, DavidH <DJHollingwo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> Hi > > I think I''m still in the newbie class of Rails programmers and I may > be trying to run before I can walk so this question may have a very > simple answer. > > I have a page with a small form on it, say Orders. That works fine. > > Associated with this form is an additional data set that has a many to > one relationship with Orders, say Line Items. This too is fine. > > What I want to do is display the orders form and below that allow > users to display, add, edit and delete line items. The line items are > to be hidden when the form is first displayed with a link that rolls > down the line items and another that rolls them back up again. When > they roll down there''s a link next to each allowing the user to delete > the line item. > > Most of this I have working! > > They can click a Show Line Items lino_to_remote that displays the line > items: > > <%= link_to_remote ''Show Line Items'', > :update => ''line_items'', > :url => { :action => ''list'', :controller => ''line_items'', :id => > @order.id }, > :complete => visual_effect(:blind_down, ''line_items'') > %> > > My list method looks like: > > def list > @lineitems = Lineitem.find(:all, :conditions => "order_id > #{params[:id]}") > render :partial => ''list'' > end > > My partial looks like: > > <p>Click a line item to edit it.</p> > <% for lineitem in @lineitems %> > <% @lineitem = lineitem %> > > <p> > <%= in_place_editor_field :lineitem, :name, {}, {} %> > <%= link_to ''Delete'', { :action => ''destroy'', :id => > @lineitem, :controller => ''lineitem'' }, > :confirm => "Are you sure you want to delete this challenge?", > :method => :post %> > </p> > <% end %> > > I have a similar link_to_remote that hides them again with a blind_up. > I''d like to know if I can do the hide without a call back to the list > action, I guess I can use any dummy action that avoids a trip to the > database? Anyway that bit works, I can show and hide my line items > fine. > > What I can''t get my head around is how to refresh my list of line > items when I add one or delete one? The actual addition and deletion > work in that the database is updated; but I then want to refresh my > list and I can''t figure out just how to do this. > > Any pointers gratefully received. > > Thanks > > David--~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
Thanks for the suggestion. I took a look at Active Scaffold and it looks very comprehensive. It will do the functionality I want; but there''s two reasons I don''t want to use it: 1. I have all the controller methods and most of the display sorted; it''s just removing elements from the list on delete and adding new ones on create that I need to do. 2. If I rewrite the whole thing using Active Scaffold to handle all the display and control then I''ll have learned nothing about the Rails core; which is really what I''m trying to do at the moment. Active Scaffold is just another (sophisticated) scaffold and I want to learn is how to do it in Rails. What I think I want is an RJS script to do an element remove if a line item has been deleted and an element add if one''s been created. What I haven''t been able to figure out is the relationship between the RJS files and the rest of the stuff in the view. Or possible to refresh the list using a replace_html to update the line_items. Thanks David On Oct 23, 2:28 pm, CCH <c...-Z/Eug3sLCsSPzdAsCNHSEg@public.gmane.org> wrote:> Hi David > > You may want to look at Active Scaffold... > > On Oct 23, 9:15 pm, DavidH <DJHollingwo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: > > > Hi > > > I think I''m still in the newbie class of Rails programmers and I may > > be trying to run before I can walk so this question may have a very > > simple answer. > > > I have a page with a small form on it, say Orders. That works fine. > > > Associated with this form is an additional data set that has a many to > > one relationship with Orders, say Line Items. This too is fine. > > > What I want to do is display the orders form and below that allow > > users to display, add, edit and delete line items. The line items are > > to be hidden when the form is first displayed with a link that rolls > > down the line items and another that rolls them back up again. When > > they roll down there''s a link next to each allowing the user to delete > > the line item. > > > Most of this I have working! > > > They can click a Show Line Items lino_to_remote that displays the line > > items: > > > <%= link_to_remote ''Show Line Items'', > > :update => ''line_items'', > > :url => { :action => ''list'', :controller => ''line_items'', :id => > > @order.id }, > > :complete => visual_effect(:blind_down, ''line_items'') > > %> > > > My list method looks like: > > > def list > > @lineitems = Lineitem.find(:all, :conditions => "order_id > > #{params[:id]}") > > render :partial => ''list'' > > end > > > My partial looks like: > > > <p>Click a line item to edit it.</p> > > <% for lineitem in @lineitems %> > > <% @lineitem = lineitem %> > > > <p> > > <%= in_place_editor_field :lineitem, :name, {}, {} %> > > <%= link_to ''Delete'', { :action => ''destroy'', :id => > > @lineitem, :controller => ''lineitem'' }, > > :confirm => "Are you sure you want to delete this challenge?", > > :method => :post %> > > </p> > > <% end %> > > > I have a similar link_to_remote that hides them again with a blind_up. > > I''d like to know if I can do the hide without a call back to the list > > action, I guess I can use any dummy action that avoids a trip to the > > database? Anyway that bit works, I can show and hide my line items > > fine. > > > What I can''t get my head around is how to refresh my list of line > > items when I add one or delete one? The actual addition and deletion > > work in that the database is updated; but I then want to refresh my > > list and I can''t figure out just how to do this. > > > Any pointers gratefully received. > > > Thanks > > > David--~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
On 23 Oct 2007, at 14:15, DavidH wrote:> > > I have a similar link_to_remote that hides them again with a blind_up. > I''d like to know if I can do the hide without a call back to the list > action, I guess I can use any dummy action that avoids a trip to the > database? Anyway that bit works, I can show and hide my line items > > fine. >sure: link_to_function ''Hide some stuff'' do |page| page.visual_effect :blind_up, ''line_items'' end> What I can''t get my head around is how to refresh my list of line > items when I add one or delete one? The actual addition and deletion > work in that the database is updated; but I then want to refresh my > list and I can''t figure out just how to do this.2 ways: either you make the rjs for the add/delete actions insert or remove the appropriate item from the DOM, or you make both of those actions render the complete list, and your delete link looks like link_to_remote ''delete'', :url => {:action => ''delete'', :id => 3}, :update => ''line items Fred
DavidH wrote:> Hi > > I think I''m still in the newbie class of Rails programmers and I may > be trying to run before I can walk so this question may have a very > simple answer. > > I have a page with a small form on it, say Orders. That works fine. > > Associated with this form is an additional data set that has a many to > one relationship with Orders, say Line Items. This too is fine. > > What I want to do is display the orders form and below that allow > users to display, add, edit and delete line items. The line items are > to be hidden when the form is first displayed with a link that rolls > down the line items and another that rolls them back up again. When > they roll down there''s a link next to each allowing the user to delete > the line item. > > Most of this I have working! > > They can click a Show Line Items lino_to_remote that displays the line > items: > > <%= link_to_remote ''Show Line Items'', > :update => ''line_items'', > :url => { :action => ''list'', :controller => ''line_items'', :id => > @order.id }, > :complete => visual_effect(:blind_down, ''line_items'') > %> > > My list method looks like: > > def list > @lineitems = Lineitem.find(:all, :conditions => "order_id > #{params[:id]}") > render :partial => ''list'' > end > > My partial looks like: > > <p>Click a line item to edit it.</p> > <% for lineitem in @lineitems %> > <% @lineitem = lineitem %> > > <p> > <%= in_place_editor_field :lineitem, :name, {}, {} %> > <%= link_to ''Delete'', { :action => ''destroy'', :id => > @lineitem, :controller => ''lineitem'' }, > :confirm => "Are you sure you want to delete this challenge?", > :method => :post %> > </p> > <% end %> > > > I have a similar link_to_remote that hides them again with a blind_up. > I''d like to know if I can do the hide without a call back to the list > action, I guess I can use any dummy action that avoids a trip to the > database? Anyway that bit works, I can show and hide my line items > fine. > > What I can''t get my head around is how to refresh my list of line > items when I add one or delete one? The actual addition and deletion > work in that the database is updated; but I then want to refresh my > list and I can''t figure out just how to do this. > > Any pointers gratefully received. > > Thanks > > DavidHi, You have to refresh the list when you add or delete an item rt? If so Store your order_id in a session variable like session[:id] = #{params[:id]} in def list and then in def destroy add these lines @lineitems = Lineitem.find(:all, :conditions => "order_id = session[:id]") render :partial => ''list'' Also add :update to link_to ''Delete'' as <%= link_to ''Delete'', { :action => ''destroy'', :id => @lineitem, :controller => ''lineitem'' },:update => "lineitem" :confirm => "Are you sure you want to delete this challenge?", :method => :post %> Hope it helps Thanks -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---