Hi all,
I am trying to call some javascript function defined in partial page
"_results.html.erb". But it seemed that the js functions in the page
are unrecognizable, and I have no idea why.
In my app, I have an "index" action/view containing an form_remote_tag
sending the ajax request to a "process" action. After some calculation
in the "process" action, it passes a local variable to a result page
and renders it partially. Briefly, the index.html.erb looks like:
# index.html.erb
<% form_remote_tag :url => 'process',
:id => 'inputs',
:update => {:success => 'result_div', :failure =>
'document.write(request.responseText)'} do -%>
# some input tags here
<%= submit_tag "calculate" %>
<% end -%>
<div id = 'result_div'></div>
In controller#index, there is nothing. In controller#process, there is
the calculation code which will cost several seconds, after that it is
the render method:
def process
# calculation code which will generate a result - @ruby_result -
which is an ruby object
render :partial => 'results', :locals => {:ruby_result =>
@ruby_result}
end
And in _results.html.erb:
<a href = "javascript:showResult()">show result</a>
<script type="text/javascript">
function showResult()
{
// code to show the result somewhere else on the index page
// BUT I MUST use the <%=ruby_result%> variable here
}
</script>
The update of the result_div is totally ok, but when I click on the
"show result", nothing happened. I tried putting the showResult()
function in the index.html.erb. Then it can be found by the
_results.html.erb. However the problem is that the ruby_result can
only be got after the process. As a result, it's not accessible in the
index view when it is initially loaded. How should I solve this
problem?
I am not sure if I have expressed my question clearly. Any reply or
comment is welcome.
Thanks!
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