Hi group,
My environment: gem 'rails', '4.1.6', gem 'active_scaffold',github:
'activescaffold/active_scaffold', torquebox 3.1.1 (jruby with jboss), gem
'activerecord-jdbcpostgresql-adapter', gem 'therubyrhino', gem
'jquery-rails', and others gems, Windows 7 too.
I want to develop a one single page web. Therefore researching and from
various sources I have made these pieces of code based on jquery and others:
In application_helper:
def jq_select()
fntn = <<CMD
<script>
$("select[data-target]").change(function(e){
var curObj = jQuery(this).closest("select");
var href = curObj.data("href");
if (href) {
var destObj = jQuery(curObj.data("target"));
if (destObj) {
destObj.addClass('cl_loader');
destObj.load(href,{id:
curObj.val()},function(responseTxt,statusTxt,xhr){
if(statusTxt=="success") {
destObj.removeClass('cl_loader');
};
//if(statusTxt=="error")
// alert("Error: "+xhr.status+": "+xhr.statusText);
});
destObj.removeClass('cl_loader');
};
};
e.preventDefault();
});
</script>
CMD
fntn.html_safe()
end
def jq_form()
fntn = <<CMD
<script src="/assets/jquery.serializejson.min.js"></script>
<script>
$("form[data-target]").submit(function(e){
e.preventDefault();
var curObj = jQuery(this).closest("form");
var opciones = curObj.serializeJSON({checkboxUncheckedValue:
"false"});
//alert(opciones);
var url = curObj.attr("action");
cl_state_form(curObj,false);
if (url) {
var destObj = jQuery(curObj.data("target"));
if (destObj) {
destObj.addClass('cl_loader');
destObj.load(url+"?" +
$.param(opciones),function(responseTxt,statusTxt,xhr){
if(statusTxt=="success") {
destObj.removeClass('cl_loader');
};
if(statusTxt=="error")
cl_state_form(curObj,true);
});
destObj.removeClass('cl_loader');
};
};
cl_state_form(curObj,true);
return true;
});
//------------------
function cl_state_form(cl_form,state) {
if (state) {
jQuery('input[type=submit]', cl_form).removeAttr('disabled');
jQuery("input,select,textarea", cl_form).removeAttr('disabled');
} else {
jQuery('input[type=submit]', cl_form).attr('disabled',
'disabled');
jQuery("input,select,textarea", cl_form).attr('disabled',
'disabled');
}
}
</script>
CMD
fntn.html_safe()
end
--------------------------------
In the _subitem.html.haml helper, i use bootstrap and this es part of menu
generator(This works without problem):
- if current_user and current_user.has_acces(subitem)
= menu_item(subitem.label, subitem.url,{data: {target:
'#main-container'}})
-------------------------------------------
in application.html.haml layout (piece):
=render partial: "layouts/menuboots"
.container-fluid
.row
.col-lg-9
= bootstrap_flash
#main-container
= yield
.col-lg-3
.well.sidebar-nav#side-container
-----------------------------------------
in application_controller.rb:
layout proc{ |c| c.request.xhr? ? false : "application" }
---------------------------------------
in the business controller:
def lst_materias
im(params) #only log a message with params...
im(@ano.ano) #only log a message with params...
if !params[:id].blank?
sql = <<QUERYCMD
select distinct on (ma.area_id,ma.descrip,ma.tipo_mat)
ma.id,ma.descrip,ma.tipo_mat
from materias ma inner join materia_anhos man on (ma.id =
man.materia_id)
inner join anos an on (man.ano_id = an.id and an.ano =
'#{@ano.ano}')
inner join cursos cu on (cu.ano_id=an.id)
inner join curso_materias cm on (man.id = cm.materia_ano_id and
cm.curso_id=cu.id)
inner join grados gr on (cu.grado_id=gr.id)
where gr.id=#{params[:id]}
union
(
select ma.id,ma.descrip,ma.tipo_mat from materias ma inner join
materia_anhos man on (ma.id = man.materia_id)
inner join anos an on (man.ano_id = an.id and an.ano =
'#{@ano.ano}')
inner join materia_espec_anos mea on (mea.id = man.id)
inner join grados gr on (mea.nivel_id = gr.nivel_id)
where gr.id=#{params[:id]}
)
order by id
QUERYCMD
@result = ActiveRecord::Base.connection.execute(sql)
im(@result)
@vvalpos = []
@result.each {|ele| @vvalpos << [ ele["descrip"].to_s ,
ele["id"].to_s ]}
im(@vvalpos)
end
end
def index
im("parametros index:"+params)
super
end
def lista
im(params)
@materia_id = params[:materia] rescue ""
@grado_id = params[:grado] rescue ""
end
def sel_grado_mater
end
-----------------------------------------------
in view of business controller:
-- sel_grado_mater.html.haml
= panel nil,{title: "Selección el grado y la materia"} do
= form_for :competencias, url: "competencias/lista",data: {target:
"#contenido"},method: "get" do |f|
= f.label 'Grado:'
= f.select_tag :grado,
options_from_collection_for_select(Grado.all.order(["nivel_id","id"]),
"id", "descrip"), {class: 'form-control', data: {href:
"competencias/lst_materias",target: "#sel_mater"}}
= f.label 'Materia:'
= f.select_tag :materia, [], class: 'form-control', id: "sel_mater"
= f.submit 'Seleccione', :class => 'button right'
#contenido
= jq_select()
= jq_form()
--- lista.html.haml
- if @materia_id.blank?
%h1 Por favor seleccione una materia
- elsif @grado_id.blank?
%h1 Por favor seleccione un Grado
- else
= render :active_scaffold => "competencias", :constraints =>
{:materia_id=> @materia_id, :grado_id=> @grado_id}
--- lst_materias.html.haml
= options_for_select(@vvalpos)
--- in sel_grado_mater.html.haml
= panel nil,{title: "Selección el grado y la materia"} do
= form_for :competencias, url: "competencias/lista",data: {target:
"#contenido"},method: "get" do |f|
= f.label 'Grado:'
= f.select_tag :grado,
options_from_collection_for_select(Grado.all.order(["nivel_id","id"]),
"id", "descrip"), {class: 'form-control', data: {href:
"competencias/lst_materias",target: "#sel_mater"}}
= f.label 'Materia:'
= f.select_tag :materia, [], class: 'form-control', id: "sel_mater"
= f.submit 'Seleccione', :class => 'button right'
#contenido
= jq_select()
= jq_form()
--------------------------------------------
This work very simple: with menu select trigger one ajax's action that
replace the #main-container div.
Here show a form that select grade and this option select fills a option
select with school subjects.
When click over submit button, trigger one ajax that replace #contenido div
with a embedded active scaffold controller (competencias), but this shows
nothing.
Log here:
*************************************
{"utf8"=>"?", "grado"=>"21", "materia"=>"68", "controller"=>"competencias",
"action"=>"lista"}
*************************************
Rendered C:/proyectos/rectorware5/app/views/competencias/lista.html.haml
(1037.0ms)
Completed 200 OK in 1106ms (Views: 1043.0ms | ActiveRecord: 32.0ms)
The render: :active_scaffold => "competencias", :constraints =>
{:materia_id=> @materia_id, :grado_id=> @grado_id} don't work with ajax
call, and i have reviewed the source code to locate the reason, and I could
not. I need your help to resolve the impasse, please.
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