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Jun 6, 2006, 01:30 #1
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Getting value of form using Ajax (and problems with Safari)
I have got two forms, the first is a textarea plus a link that activates some javascript to change the form, the second activates some javascript on the onchange event which changes it into a textarea form.
This works in Firefox, but not in Safari.
Also, I need the value which is selected. I've found an example that gives the parameter to the javascript, like this:
<input type="checkbox" name="name"
onclick="new Ajax.Request('<%= url_foraction => 'update_attribute', :id => obj) %>', {parameters:'name='+this.name+'&value='+this.checked})"/>
How do I get the value which is selected when the onchange event occurs using RJS?
View:
Code:<%= javascript_include_tag :defaults %> <h1>Test for Safari</h1> %= form_tag :action => 'do_something', :id => @survey %> <div id="form1_1"> <%= q_item(1, 1)%> </div> <div id="form1_2"> <%= text_area("row1", "col2", { :cols => "20", :rows => "3" }) %> <div class="change"> <%= link_to_remote("change", :url => { :action => :change_back_div, :id => "form1_2" }, :id => "change") %> </div> </div> <%= submit_tag 'Send' %> <%= end_form_tag %>
Code:module AdminHelper def q_item(row, col) return select("row"+row.to_s, "col"+col.to_s, %w{ Text Rating3 Rating4 ListItem GrantAccess}, {:include_blank => true}, { :onchange => remote_function( :url => { :action => :change_div, :id => "form"+row.to_s + "_" + col.to_s } ) } ) end def to_question_item_form id = params[:id] remote_function( :url => { :action => :change_div, :id => id } ) end
admin_controller:
Code:def change_div pos = args_id(params[:id]) html_options = { :class => "change" } render :update do |page| page[pos[:form]].replace( tag("div", "id" => pos[:form]) << text_area(pos[:row], pos[:col], {:cols => 20, :rows => 3}) << tag("div", "class" => "change") << link_to_function("change", remote_function( :url => { :action => :change_back_div, :id => pos[:form] }), html_options)) page.visual_effect :highlight, pos[:form], :duration => 2 end end def change_back_div pos = args_id(params[:id]) render :update do |page| page[pos[:form]].replace( tag("div", "id" => pos[:form]) << select(pos[:row], pos[:col], %w{ Text Rating3 Rating4 ListItem GrantAccess}, { :include_blank => true }, { :onchange => to_question_item_form } )) page.visual_effect :highlight , pos[:form], :duration => 2 end end
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