Hello, Did this email ge tto the mailing list?? Thanks 2009/9/8 Marcos Müller <[email protected]>
> Hello everybody, > > I'm having a "simple" problem but is taking me a long time to understand > and i'll try to do a short and a full explanation about the problem... > > *<short explanation>* > I'm quite beginner at rails and i'm facing a weird problem to make a two > select boxes working dynamic. I have a table called conditions and this > table has condition_type and condition_value. I want to put in the first > select all the condition types and as an user select a type the condition > values for that type (this means all the rows that have > condition_type=selected) will be show in a second select. > > So far i'm trying different approachs like railcast #88 or > http://pullmonkey.com/2008/3/30/dynamic-select-boxes-ruby-on-rails/ but i > dont know what is happening. > > When i select the condition_type the on_change method is called and then > the controller is called and make the correct search on the database and i > can get the correct response at firebug but the second select is not > rendered with the new data. > > *</short explanation>* > *<complete explanation>* > > So far, my code is: > > *rules_controller.rb > def new > @rule = Rule.new > @condition_type = Condition.find(:all, :select => 'DISTINCT > condition_type') > @condition_value = Condition.find(:all, :select => 'DISTINCT > condition_value') > end > > def update_condition_value > @condition_value = Condition.find(:all, :conditions => { > :condition_type => params[:condition_type]}) > render :action => "update_condition_value.js.rjs" > end > > _form_new.html.erb > <% form_for @rule do |rule_form| %> > Name: <%= rule_form.text_field :rule_name %> > Condition type: <%= select_tag 'condition_type[]', > > options_from_collection_for_select(@condition_type, 'condition_type', > 'condition_type'), > {:onchange => > remote_function(:url => > {:action => > "update_condition_value"}, :with => "'condition_type='+value")} %> > > <div id="condition_value_div">Condition value: <%= render :partial => > 'condition_value'%></div> > <%= rule_form.submit "Submit" %> > <%end%> > > _condition_value.html.erb > <%= select_tag 'condition_value', > options_from_collection_for_select(@condition_value, 'condition_value', > 'condition_value')%> > > update_condition_value.js.rjs > page.replace_html 'condition_value_div', :partial => > 'condition_value'e')* > > The problem that i'm facing is that when i select some condition_type the > on_change is activated and then they call the update_condition_value.js.rjs > and i can see from the firebug that i receive an response like: > > try { > Element.update("condition_value_div", "<select id=\"condition_value\" > name=\"condition_value\"><option value=\"private\">private</option>\n<option > value=\"public\">public</option></select>\n\n"); > > } catch (e) { alert('RJS error:\n\n' + e.toString()); > alert('Element.update(\"condition_value_div\", \"<select > id=\\\"condition_value\\\" name=\\\"condition_value\\\"><option > value=\\\"private\\\">private</option>\\n<option > value=\\\"public\\\">public</option></select>\\n\\n\");'); throw e } > > as it should be... This means that they went to the controller and make the > correct call from the database as i can see at the log at netbeans. But the > problem is that the page is not rendered or any changes occoru with the > second select. > > So, i can say that every step is working until the call from the controller > at update_condition_value but looks like i have an mismatch or error at > render :action => "update_condition_value.js.rjs" call. > > I think maybe could be a problem with my routes cause when i see the log > after i select something at the first select i get this: > > * Processing RulesController#update_condition_value to json (for > 127.0.0.1 at 2009-09-08 14:43:18) [POST] > Parameters: {"format"=>"json", "condition_type"=>"group", > "action"=>"update_condition_value", "controller"=>"rules"} > [4;36;1mCondition Load (0.0ms)[0m [0;1mSELECT * FROM `conditions` WHERE > (`conditions`.`condition_type` = 'group') > Rendering rules/update_condition_value > [4;35;1mCondition Columns (0.4ms)[0m [0mSHOW FIELDS FROM > `conditions`[0m > Rendered rules/_condition_value (1.8ms) > Completed in 89ms (View: 2, DB: 5) | 200 OK [ > http://localhost/rules/update_condition_value]* > > and i understand that they are trying to render the content at > http://localhost/rules/update_condition_value but the address that i'm > using is http://localhost:3000/coreui/privacy/1/rules/new > as u can see at the routes file: > * > map.resources :rules, :path_prefix => '/coreui/privacy/:user_id'* > > I dont know what else i should do to make this work and any help or tips > will be welcome! > > Thanks in advance... > > </complete explanation> > > -- > Marcos Müller Lopes Fonseca > Arquiteto da Informação - MAV Tecnologia > Gerente de projetos - UFMG Informática Jr. > Sistemas de Informação - UFMG > [email protected] / 87553132 > -- Marcos Müller Lopes Fonseca Arquiteto da Informação - MAV Tecnologia Gerente de projetos - UFMG Informática Jr. Sistemas de Informação - UFMG [email protected] / 87553132 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. 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