# HG changeset patch
# User paulb
# Date 1104160777 0
# Node ID d8f5b795fb321c5a7ec5ad8c23779fb6c50f51b2
# Parent  0757f68e09ab0b8bca2ff774970560230f140373
[project @ 2004-12-27 15:19:35 by paulb]
Added a simple export feature.

diff -r 0757f68e09ab -r d8f5b795fb32 examples/Common/PEP241/Resources/pep241_template.xhtml
--- a/examples/Common/PEP241/Resources/pep241_template.xhtml	Sun Dec 26 18:48:11 2004 +0000
+++ b/examples/Common/PEP241/Resources/pep241_template.xhtml	Mon Dec 27 15:19:37 2004 +0000
@@ -169,6 +169,7 @@
         <th></th>
         <td>
           <input type="submit" value="Update!" name="update" /> 
+          <input type="submit" value="Export!" name="export" /> 
           <input type="submit" value="Finish!" name="finish" /></td>
       </tr>
     </tbody>
diff -r 0757f68e09ab -r d8f5b795fb32 examples/Common/PEP241/__init__.py
--- a/examples/Common/PEP241/__init__.py	Sun Dec 26 18:48:11 2004 +0000
+++ b/examples/Common/PEP241/__init__.py	Mon Dec 27 15:19:37 2004 +0000
@@ -53,14 +53,17 @@
 
         global XSLForms # NOTE: Strangely required to avoid UnboundLocalError!
         method = trans.get_request_method()
+
+        # Only obtain field information according to the stated method.
+
         if method == "GET":
             fields = XSLForms.Fields.Fields(encoding="iso-8859-1", values_are_lists=1)
-            items = trans.get_fields_from_path().items()
-            documents = fields.make_documents(items)
+            parameters = trans.get_fields_from_path()
+            documents = fields.make_documents(parameters.items())
         elif method == "POST":
             fields = XSLForms.Fields.Fields(encoding=self.encoding, values_are_lists=1)
-            items = trans.get_fields_from_body(self.encoding).items()
-            documents = fields.make_documents(items)
+            parameters = trans.get_fields_from_body(self.encoding)
+            documents = fields.make_documents(parameters.items())
         else:
             trans.set_response_code(405)
             raise WebStack.Generic.EndOfResponse
@@ -72,7 +75,9 @@
         else:
             package = fields.new_instance("package")
 
-        selectors = fields.get_selectors(items, documents)
+        # Add and remove elements according to the selectors found.
+
+        selectors = fields.get_selectors(parameters.items(), documents)
         add_elements(selectors.get("add_platform"), "platform", "platforms")
         remove_elements(selectors.get("remove_platform"))
         add_elements(selectors.get("add_supported_platform"), "supported-platform", "supported-platforms")
@@ -84,33 +89,45 @@
         add_elements(selectors.get("add_dependency"), "dependency", "dependencies")
         remove_elements(selectors.get("remove_dependency"))
 
-        # Transform, adding enumerations/ranges.
+        # Send a response according to certain parameters.
+        # When exported, an XML version of the data is returned.
+
+        if parameters.has_key("export"):
+            trans.set_content_type(WebStack.Generic.ContentType("text/xml", self.encoding))
+            libxml2dom.toStream(package, trans.get_response_stream(), trans.get_response_stream_encoding())
 
-        categories_xsl = os.path.join(self.resource_dir, "pep241_categories.xsl")
-        categories_xml = os.path.join(self.resource_dir, "pep241_categories.xml")
-        proc = XSLOutput.Processor([categories_xsl], {"categories" : categories_xml})
-        package = proc.get_result(package)
+        # When not exported, the data is transformed to produce a normal Web
+        # page.
+
+        else:
 
-        # Start the response.
+            # Transform, adding enumerations/ranges.
 
-        trans.set_content_type(WebStack.Generic.ContentType("text/html", self.encoding))
-
-        # Ensure that an output stylesheet exists.
+            categories_xsl = os.path.join(self.resource_dir, "pep241_categories.xsl")
+            categories_xml = os.path.join(self.resource_dir, "pep241_categories.xml")
+            proc = XSLOutput.Processor([categories_xsl], {"categories" : categories_xml})
+            package = proc.get_result(package)
 
-        trans_xsl = os.path.join(self.resource_dir, "pep241_output.xsl")
-        template_xml = os.path.join(self.resource_dir, "pep241_template.xhtml")
+            # Start the response.
+
+            trans.set_content_type(WebStack.Generic.ContentType("text/html", self.encoding))
 
-        if not os.path.exists(trans_xsl) or \
-            os.path.getmtime(trans_xsl) < os.path.getmtime(template_xml):
+            # Ensure that an output stylesheet exists.
 
-            import XSLForms.Prepare
+            trans_xsl = os.path.join(self.resource_dir, "pep241_output.xsl")
             template_xml = os.path.join(self.resource_dir, "pep241_template.xhtml")
-            XSLForms.Prepare.make_stylesheet(template_xml, trans_xsl)
 
-        # Complete the response.
+            if not os.path.exists(trans_xsl) or \
+                os.path.getmtime(trans_xsl) < os.path.getmtime(template_xml):
 
-        proc = XSLOutput.Processor([trans_xsl])
-        proc.send_output(trans.get_response_stream(), trans.get_response_stream_encoding(),
-            package)
+                import XSLForms.Prepare
+                template_xml = os.path.join(self.resource_dir, "pep241_template.xhtml")
+                XSLForms.Prepare.make_stylesheet(template_xml, trans_xsl)
+
+            # Complete the response.
+
+            proc = XSLOutput.Processor([trans_xsl])
+            proc.send_output(trans.get_response_stream(), trans.get_response_stream_encoding(),
+                package)
 
 # vim: tabstop=4 expandtab shiftwidth=4