Hi all,
I've followed the recipe
http://cookbook.hobocentral.net/recipes/33-ajax-filtering-on-a-partially-completed
so create a three level dynamic select (Lote -> Calibrerolha ->
Classerolha) and it's working fine with the "new" action but in the
edit action it does not work. Is always shows the error "undefined
method `map' for #<ActiveRecord::Associations::BelongsToAssociation"
whenever I try to access the edit action.
Can anyone please help me?
Here is the code:
Controller:
def new
hobo_new(Contagem.new(params[:contagem])) do
hobo_ajax_response if request.xhr?
end
end
def edit
self.this = Contagem.new(params[:contagem]) if params[:contagem]
hobo_show do
hobo_ajax_response if request.xhr?
end
end
Application.dryml:
<extend tag="form" for="Contagem">
<old-form merge>
<field-list: fields="lote, calibrerolha, classerolha">
<lote-view:>
<select-one options="&@contagem.lote" blank-
message="(vazio)" limit="1000"/>
</lote-view:>
<calibrerolha-view:>
<do part="calibrerolha-menu">
<if test="&@contagem.lote">
<select-one options="&@contagem.lote.calibrerolhas" blank-
message="(vazio)"/>
</if>
<else>
<select disabled><option>Escolha primeiro um lote</option></
select>
</else>
</do>
</calibrerolha-view:>
<classerolha-view:>
<do part="classerolha-menu">
<if test="&@contagem.calibrerolha">
<select-one options="&@contagem.calibrerolha.classesrolha"
blank-message="(vazio)"/>
</if>
<else>
<select disabled><option>Escolha primeiro um calibre</
option></select>
</else>
</do>
</classerolha-view:>
</field-list:>
</old-form>
</extend>
Application.js:
Event.addBehavior({
"form.contagem select.contagem_lote:change": function(ev) {
Hobo.ajaxRequest(window.location.href, ['calibrerolha-menu'],
{ params: Form.serializeElements([this]),
method: 'get',
spinnerNextTo: this, message: "Aguarde por
favor..."} )
},
"form.contagem select.contagem_calibrerolha:change": function(ev) {
Hobo.ajaxRequest(window.location.href, ['classerolha-menu'],
{ params: Form.serializeElements([this]),
method: 'get',
spinnerNextTo: this, message: "Aguarde por
favor..."} )
}
})
environment.rb:
require 'template_environment_patch'
Notes:
- If I remove the following code from application.dryml, the edit page
is showed without any error and the third select box (Classerolha) e
update whenever I change the second select box (Calibrerolha).
<lote-view:>
<select-one options="&@contagem.lote" blank-
message="(vazio)" limit="1000"/>
</lote-view:>
- I added template_environment_patch.rb (from the recipe) to the lib
folder.
And the stack trace:
undefined method `map' for
#<ActiveRecord::Associations::BelongsToAssociation.....
/Library/Ruby/Gems/1.8/gems/activerecord-2.3.8/lib/active_record/
associations/association_proxy.rb:217:in `method_missing'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/taglibs/rapid_forms.dryml:
654:in `select_one'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/lib/hobo/dryml/
template_environment.rb:328:in `_tag_context'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/lib/hobo/dryml/
template_environment.rb:248:in `new_context'
/Library/Ruby/Gems/1.8/gems/actionpack-2.3.8/lib/action_view/helpers/
capture_helper.rb:129:in `with_output_buffer'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/lib/hobo/dryml/
template_environment.rb:248:in `new_context'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/lib/hobo/dryml/
template_environment.rb:328:in `_tag_context'
/Library/Ruby/Gems/1.8/gems/hobo-1.0.1/taglibs/rapid_forms.dryml:
642:in `select_one'
app/views/taglibs/application.dryml:103:in `form__for_contagem'
Thanks!
Best regards,
Hugo
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