<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:element name="ListItem" type="ListItemType"/>

  <xs:complexType name="ListItemType">
    <xs:all>
      <xs:element type="SimplePropertiesType" name="SimpleProperties"/>
      <xs:element type="NestedListObjectsType" name="NestedListObjects" minOccurs="0"/>
    </xs:all>
    <xs:attribute type="xs:string" name="name" use="required"/>
    <xs:attribute type="xs:string" name="simpleEditorOnly"/>
    <xs:attribute type="xs:string" name="OERReference"/>
  </xs:complexType>

  <xs:complexType name="SimplePropertiesType">
    <xs:sequence  maxOccurs="unbounded" minOccurs="0">
      <xs:element type="SimplePropertyType" name="SimpleProperty"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="SimplePropertyType">
    <xs:attribute type="xs:string" name="name" use="required"/>
    <xs:attribute type="xs:string" name="type" use="required"/>
    <xs:attribute type="xs:string" name="id"/>
    <xs:attribute type="xs:string" name="dataSourceProperty"/>
    <xs:attribute type="xs:string" name="blobTable"/>
    <xs:attribute type="xs:string" name="blobPKeyField"/>
    <xs:attribute type="xs:string" name="nullable"/>
    <xs:attribute type="xs:string" name="storable"/>
  </xs:complexType>

  <xs:complexType name="NestedListObjectsType">
    <xs:sequence>
      <xs:element type="NestedListObjectType" name="ListObject" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NestedListObjectType" mixed="true">
    <xs:attribute type="xs:string" name="name" use="required"/>
    <xs:attribute type="xs:string" name="objectClass" use="required"/>
  </xs:complexType>

</xs:schema>