# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1245699916 -7200
# Node ID ae7bdbf61e32718b55f825d983d4ed2b09753e19
# Parent  abdc1b4842cf9067f6999ac342a1c213f8cf732b
Added some error handling to the questionnaire application.

diff -r abdc1b4842cf -r ae7bdbf61e32 examples/Common/Questionnaire/Resources/question_template.xhtml
--- a/examples/Common/Questionnaire/Resources/question_template.xhtml	Sat Jun 20 00:26:12 2009 +0200
+++ b/examples/Common/Questionnaire/Resources/question_template.xhtml	Mon Jun 22 21:45:16 2009 +0200
@@ -20,6 +20,8 @@
 <input type="submit" value="Import" name="import" />
 </p>
 
+<p class="error" template:if="@error">The file could not be loaded.</p>
+
 <div class="questionnaire">
 
   <p>Or enter questions and possible responses below.</p>
diff -r abdc1b4842cf -r ae7bdbf61e32 examples/Common/Questionnaire/__init__.py
--- a/examples/Common/Questionnaire/__init__.py	Sat Jun 20 00:26:12 2009 +0200
+++ b/examples/Common/Questionnaire/__init__.py	Mon Jun 22 21:45:16 2009 +0200
@@ -86,11 +86,16 @@
 
         if parameters.has_key("import"):
             importfile = parameters["importfile"][0]
-            try:
-                doc = libxml2dom.parse(importfile.stream)
-                form.set_document(doc)
-            except libxml2dom.LSException:
-                pass
+
+            if hasattr(importfile, "stream"):
+                try:
+                    doc = libxml2dom.parse(importfile.stream)
+                    form.set_document(doc)
+                    return # success
+                except libxml2dom.LSException:
+                    pass
+
+            questionnaire.documentElement.setAttribute("error", "true")
 
     def init_document(self, trans, form):