1.1 --- a/examples/Common/Questionnaire/__init__.py Thu Jul 14 22:54:26 2005 +0000
1.2 +++ b/examples/Common/Questionnaire/__init__.py Thu Jul 14 22:54:38 2005 +0000
1.3 @@ -3,87 +3,43 @@
1.4 "A WebStack questionnaire application."
1.5
1.6 import WebStack.Generic
1.7 -import XSLForms.Fields
1.8 -import XSLForms.Output
1.9 -import XSLOutput
1.10 -import libxml2dom
1.11 +import XSLForms.Resources
1.12 +import XSLForms.Utils
1.13 import os
1.14
1.15 -# NOTE: Move these functions into a common utility library.
1.16 -
1.17 -def add_elements(positions, element_name, element_parent_name=None):
1.18 - if not positions:
1.19 - return
1.20 - for position in positions:
1.21 - if element_parent_name:
1.22 - parent_elements = position.xpath(element_parent_name)
1.23 - if not parent_elements:
1.24 - parent_element = position.ownerDocument.createElementNS(None, element_parent_name)
1.25 - position.appendChild(parent_element)
1.26 - else:
1.27 - parent_element = parent_elements[0]
1.28 - else:
1.29 - parent_element = position
1.30 - parent_element.appendChild(position.ownerDocument.createElementNS(None, element_name))
1.31 -
1.32 -def remove_elements(positions):
1.33 - if not positions:
1.34 - return
1.35 - for position in positions:
1.36 - position.parentNode.removeChild(position)
1.37 -
1.38 -# NOTE: This is so much like ConfiguratorResource that some common parts could
1.39 -# NOTE: be extracted.
1.40 -
1.41 -class QuestionnaireEditorResource:
1.42 +class QuestionnaireEditorResource(XSLForms.Resources.XSLFormsResource):
1.43
1.44 "A resource providing a questionnaire editor."
1.45
1.46 resource_dir = os.path.join(os.path.split(__file__)[0], "Resources")
1.47 encoding = "utf-8"
1.48 -
1.49 - def respond(self, trans):
1.50 -
1.51 - # Produce stylesheet.
1.52 + template_resources = {
1.53 + "question" : ("question_template.xhtml", "question_output.xsl")
1.54 + }
1.55
1.56 - if trans.get_path_info().split("/")[-1] == "styles.css":
1.57 - trans.set_content_type(WebStack.Generic.ContentType("text/css", self.encoding))
1.58 - out = trans.get_response_stream()
1.59 - f = open(os.path.join(self.resource_dir, "styles.css"), "rb")
1.60 - out.write(f.read())
1.61 - f.close()
1.62 - raise WebStack.Generic.EndOfResponse
1.63 + def respond_to_form(self, trans, form):
1.64
1.65 - global XSLForms # NOTE: Strangely required to avoid UnboundLocalError!
1.66 - method = trans.get_request_method()
1.67 -
1.68 - # Only obtain field information according to the stated method.
1.69 + """
1.70 + Respond to a request having the given transaction 'trans' and the given
1.71 + 'form' information.
1.72 + """
1.73
1.74 - if method == "GET":
1.75 - fields = XSLForms.Fields.Fields(encoding="iso-8859-1", values_are_lists=1)
1.76 - parameters = trans.get_fields_from_path()
1.77 - documents = fields.make_documents(parameters.items())
1.78 - elif method == "POST":
1.79 - fields = XSLForms.Fields.Fields(encoding=self.encoding, values_are_lists=1)
1.80 - parameters = trans.get_fields_from_body(self.encoding)
1.81 - documents = fields.make_documents(parameters.items())
1.82 - else:
1.83 - trans.set_response_code(405)
1.84 - raise WebStack.Generic.EndOfResponse
1.85 + parameters = form.get_parameters()
1.86 + documents = form.get_documents()
1.87 + selectors = form.get_selectors()
1.88
1.89 # Ensure the presence of a document.
1.90
1.91 if documents.has_key("questionnaire"):
1.92 questionnaire = documents["questionnaire"]
1.93 else:
1.94 - questionnaire = fields.new_instance("questionnaire")
1.95 + questionnaire = form.new_instance("questionnaire")
1.96
1.97 # Add and remove elements according to the selectors found.
1.98
1.99 - selectors = fields.get_selectors(parameters.items(), documents)
1.100 - remove_elements(selectors.get("remove-question"))
1.101 - add_elements(selectors.get("add-choice"), "choice")
1.102 - remove_elements(selectors.get("remove-choice"))
1.103 + XSLForms.Utils.remove_elements(selectors.get("remove-question"))
1.104 + XSLForms.Utils.add_elements(selectors.get("add-choice"), "choice")
1.105 + XSLForms.Utils.remove_elements(selectors.get("remove-choice"))
1.106
1.107 # Add questions using the normal request parameter.
1.108
1.109 @@ -96,7 +52,7 @@
1.110
1.111 if parameters.has_key("export"):
1.112 trans.set_content_type(WebStack.Generic.ContentType("text/xml", self.encoding))
1.113 - libxml2dom.toStream(questionnaire, trans.get_response_stream(), trans.get_response_stream_encoding())
1.114 + questionnaire.toStream(trans.get_response_stream(), trans.get_response_stream_encoding())
1.115
1.116 # When not exported, the data is transformed to produce a normal Web
1.117 # page.
1.118 @@ -109,20 +65,10 @@
1.119
1.120 # Ensure that an output stylesheet exists.
1.121
1.122 - trans_xsl = os.path.join(self.resource_dir, "question_output.xsl")
1.123 - template_xml = os.path.join(self.resource_dir, "question_template.xhtml")
1.124 -
1.125 - if not os.path.exists(trans_xsl) or \
1.126 - os.path.getmtime(trans_xsl) < os.path.getmtime(template_xml):
1.127 -
1.128 - import XSLForms.Prepare
1.129 - template_xml = os.path.join(self.resource_dir, "question_template.xhtml")
1.130 - XSLForms.Prepare.make_stylesheet(template_xml, trans_xsl)
1.131 + trans_xsl = self.prepare_output("question")
1.132
1.133 # Complete the response.
1.134
1.135 - proc = XSLOutput.Processor([trans_xsl])
1.136 - proc.send_output(trans.get_response_stream(), trans.get_response_stream_encoding(),
1.137 - questionnaire)
1.138 + self.send_output(trans, [trans_xsl], questionnaire)
1.139
1.140 # vim: tabstop=4 expandtab shiftwidth=4