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@@ -19,7 +19,7 @@
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 class Preference < ActiveRecord::Base
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   attr_accessible :app_name, :server_name, :domain, :smtp_server, 
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                   :email_notifications, :email_verifications, :analytics,
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-                  :about
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+                  :about, :demo
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   validates_presence_of :domain,       :if => :using_email?
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   validates_presence_of :smtp_server,  :if => :using_email?

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@@ -36,6 +36,15 @@
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     <br />
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+    <p>Display a note that the site is just a demonstration</p>  
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+    <div class="form_row">
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+      <label for="demo"
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+             class="checkbox">Demo site</label>
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+      <%= f.check_box :demo %>
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+    </div>
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+
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+    <br />
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+
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     <p>Verify email for new registrations using an activation code</p>  
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     <div class="form_row">
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       <label for="email_verifications"

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@@ -31,6 +31,11 @@
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 </p>
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 <p>
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+  <b>Demo site:</b>
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+  <%=h @preferences.demo %>
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+</p>
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+
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+<p>
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   <b>About text (nonblank text will lead to an 'about' link):</b>
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 </p>
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 <%= display @preferences.about %>

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@@ -46,6 +46,12 @@
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     <div id="wrap">
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       <div id="content">
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+        <%- if global_prefs.demo? -%>
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+          <p class="error" style="font-weight: bold;">
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+            This is a demonstration site. 
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+            Data may be modified or removed without warning.
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+          </p>
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+        <%- end -%>
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         <% flash.each do |key, msg| %>
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           <%= content_tag :p, msg, :class => "flash #{key}" %>
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         <% end %>