Draft of XSD for Common Cartridge Assignment extension

assignments.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="http://www.imsglobal.org/xsd/imscc_extensions/imscc_extensions/assignment"
           xmlns="http://www.imsglobal.org/xsd/imscc_extensions/imscc_extensions/assignment"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"
           version="IMS Assignment Proposal 0.0.1">

  <xs:element name="assignment" type="Assignment.Type"/>

  <xs:complexType name="Assignment.Type">
    <xs:attribute name="identifier" type="xs:ID" use="required"/>
    <xs:all minOccurs="0" maxOccurs="1">
      <xs:element name="title" type="xs:string" minOccurs="1"/>
      <xs:element name="text" type="Text.Type"/>
      <xs:element name="instructor_text" type="Text.Type"/>
      <xs:element name="attachments" type="Attachments.Type"/>
      <xs:element name="gradable" type="Assignment.Gradable"/>
      <xs:element name="submission_formats" type="Assignment.SubmissionFormats"/>
      <xs:element name="extensions" type="Extensions.Type" maxOccurs="unbounded"/>
    </xs:all>
  </xs:complexType>

  <!-- These type definitions are copied from http://www.imsglobal.org/profile/cc/ccv1p2/ccv1p2_imsdt_v1p2.xsd -->
  <xs:complexType name="Text.Type">
    <xs:annotation>
      <xs:documentation source="umldocumentation">The Text for the assignment.
      </xs:documentation>
    </xs:annotation>
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="texttype" use="required">
          <xs:simpleType>
            <xs:restriction base="xs:string">
              <xs:enumeration value="text/plain"/>
              <xs:enumeration value="text/html"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="EmptyPrimitiveType.Type">
    <xs:complexContent>
      <xs:restriction base="xs:anyType"/>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="Attachments.Type" mixed="false">
    <xs:sequence>
      <xs:element name="attachment" type="Attachment.Type" minOccurs="1" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="Attachment.Type">
    <xs:complexContent>
      <xs:extension base="EmptyPrimitiveType.Type">
        <xs:attribute name="href" use="required" type="xs:normalizedString"/>
        <!-- Need to restrict role to LIS role types? -->
        <xs:attribute name="role" type="xs:string"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="Assignment.SubmissionFormats">
    <xs:all minOccurs="0" maxOccurs="unbounded">
      <xs:element name="format">
        <xs:complexType>
          <xs:attribute name="type">
            <xs:simpleType>
              <xs:restriction base="xs:string">
                <xs:enumeration value="text"/>
                <xs:enumeration value="html"/>
                <xs:enumeration value="url"/>
                <xs:enumeration value="file"/>
              </xs:restriction>
            </xs:simpleType>
          </xs:attribute>
        </xs:complexType>
      </xs:element>
    </xs:all>
  </xs:complexType>

  <xs:complexType name="Assignment.Gradable" xml:base="xs:boolean">
    <xs:attribute name="points_possible" type="xs:float"/>
  </xs:complexType>

  <xs:complexType name="Extensions.Type">
    <xs:complexContent>
      <xs:restriction base="xs:anyType"/>
    </xs:complexContent>
    <xs:attribute name="platform" type="xs:string" use="optional"/>
  </xs:complexType>

</xs:schema>