petriflow.schema.xsd

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="xs3p.xsl"?>
<xs:schema elementFormDefault="qualified"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"
           version="1.1.0">
  <!-- ===== DOCUMENT ELEMENTS ===== -->
  <xs:complexType name="transaction">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="i18nStringType" name="title"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="data">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="i18nStringType" name="title"/>
      <xs:element type="i18nStringType" name="placeholder" minOccurs="0"/>
      <xs:element type="i18nStringType" name="desc" minOccurs="0"/>
      <xs:choice>
        <xs:element type="i18nStringTypeWithExpression" name="values" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element type="options" name="options" minOccurs="0">
          <xs:unique name="optionUniqueKey">
            <xs:selector xpath="./option"/>
            <xs:field xpath="@key"/>
          </xs:unique>
        </xs:element>
      </xs:choice>
      <xs:choice>
        <xs:element type="valid" name="valid" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element type="validations" name="validations" minOccurs="0"/>
      </xs:choice>
      <xs:choice>
        <xs:element type="init" name="init" minOccurs="0"/>
        <xs:element type="inits" name="inits" minOccurs="0"/>
      </xs:choice>
      <xs:element type="format" name="format" minOccurs="0"/>
      <xs:choice>
        <xs:element name="view" minOccurs="0" type="fieldView"/>
      </xs:choice>
      <xs:element type="component" name="component" minOccurs="0"/>
      <xs:element type="encryption" name="encryption" minOccurs="0"/>
      <xs:choice>
        <xs:element type="action" name="action" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element type="dataEvent" name="event" maxOccurs="unbounded" minOccurs="0"/>
      </xs:choice>
      <xs:element type="actionRef" name="actionRef" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="documentRef" name="documentRef" minOccurs="0"/>
      <xs:element type="storage" name="storage" minOccurs="0"/>
      <xs:element type="remote" name="remote" minOccurs="0"/>
      <xs:element type="xs:int" name="length" minOccurs="0"/>
      <xs:element type="allowedNets" name="allowedNets" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute type="data_type" name="type" use="required"/>
    <xs:attribute type="xs:boolean" name="immediate"/>
  </xs:complexType>
  <xs:complexType name="function">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute type="scope" name="scope" use="required"/>
        <xs:attribute type="xs:string" name="name" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="role">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:choice>
        <xs:element type="i18nStringType" name="title"/>
        <xs:element type="i18nStringType" name="name"/>
      </xs:choice>
      <xs:element type="event" name="event" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="global" type="xs:boolean"/>
  </xs:complexType>
  <xs:complexType name="mapping">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="xs:string" name="transitionRef"/>
      <xs:element type="roleRef" name="roleRef" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="dataRef" name="dataRef" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="dataGroup" name="dataGroup" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="trigger" name="trigger" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="transition">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="nonNegativeInteger" name="x"/>
      <xs:element type="nonNegativeInteger" name="y"/>
      <xs:element type="i18nStringType" name="label"/>
      <xs:element type="tags" name="tags" minOccurs="0"/>
      <xs:element type="transitionLayout" name="layout" minOccurs="0"/>
      <xs:element type="xs:string" name="icon" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="priority" minOccurs="0"/>
      <xs:element type="assignPolicy" name="assignPolicy" minOccurs="0"/>
      <xs:element type="dataFocusPolicy" name="dataFocusPolicy" minOccurs="0"/>
      <xs:element type="finishPolicy" name="finishPolicy" minOccurs="0"/>
      <xs:element type="trigger" name="trigger" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="transactionRef" name="transactionRef" minOccurs="0"/>
      <xs:element type="roleRef" name="roleRef" maxOccurs="unbounded" minOccurs="0"/>
      <xs:choice minOccurs="0">
        <xs:element type="userRef" name="usersRef" maxOccurs="unbounded"/>
        <xs:element type="userRef" name="userRef" maxOccurs="unbounded"/>
      </xs:choice>
      <xs:element type="assignedUser" name="assignedUser" minOccurs="0"/>
      <xs:element type="dataRef" name="dataRef" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="dataGroup" name="dataGroup" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="event" name="event" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="transitionLayout">
    <xs:sequence>
      <xs:element type="nonNegativeInteger" name="cols" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="rows" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="offset" minOccurs="0"/>
      <xs:element name="fieldAlignment" type="fieldAlignment" minOccurs="0"/>
      <xs:element type="hideEmptyRows" name="hideEmptyRows" minOccurs="0"/>
      <xs:element type="compactDirection" name="compactDirection" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="type" type="layoutType"/>
  </xs:complexType>
  <xs:complexType name="place">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="nonNegativeInteger" name="x"/>
      <xs:element type="nonNegativeInteger" name="y"/>
      <xs:element type="i18nStringType" name="label"/>
      <xs:element type="nonNegativeInteger" name="tokens"/>
      <xs:choice>
        <xs:element type="xs:boolean" name="isStatic"/>
        <xs:element type="xs:boolean" name="static"/>
      </xs:choice>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="arc">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element name="type" type="arc_type" default="regular"/>
      <xs:element type="xs:string" name="sourceId"/>
      <xs:element type="xs:string" name="destinationId"/>
      <xs:element type="nonNegativeInteger" name="multiplicity"/>
      <xs:element type="xs:string" name="reference" minOccurs="0"/>
      <xs:element type="breakpoint" name="breakpoint" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="i18n">
    <xs:sequence>
      <xs:element type="i18nStringType" name="i18nString" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute name="locale"/>
  </xs:complexType>
  <xs:complexType name="processEvents">
    <xs:sequence>
      <xs:element type="processEvent" name="event" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="caseEvents">
    <xs:sequence>
      <xs:element type="caseEvent" name="event" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:element name="document">
    <xs:complexType>
      <xs:complexContent>
        <xs:extension base="documentType"/>
      </xs:complexContent>
    </xs:complexType>
    <xs:unique name="transitionUniqueId">
      <xs:selector xpath="./transition"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:unique name="placeUniqueId">
      <xs:selector xpath="./place"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:unique name="arcUniqueId">
      <xs:selector xpath="./arc"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:unique name="roleUniqueId">
      <xs:selector xpath="./role"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:unique name="dataUniqueId">
      <xs:selector xpath="./data"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:unique name="mappingId">
      <xs:selector xpath="./mapping"/>
      <xs:field xpath="id"/>
    </xs:unique>
    <xs:key name="ptIdKey">
      <xs:selector xpath="./place|./transition"/>
      <xs:field xpath="id"/>
    </xs:key>
    <!--todo:move validation to arc-->
    <xs:keyref name="sourceId" refer="ptIdKey">
      <xs:selector xpath="./arc"/>
      <xs:field xpath="sourceId"/>
    </xs:keyref>
    <xs:keyref name="destinationId" refer="ptIdKey">
      <xs:selector xpath="./arc"/>
      <xs:field xpath="destinationId"/>
    </xs:keyref>
  </xs:element>
  <xs:complexType name="documentType">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="xs:string" name="version" minOccurs="0"/>
      <xs:element type="initials" name="initials"/>
      <xs:element type="i18nStringType" name="title"/>
      <xs:element type="xs:string" name="icon" minOccurs="0"/>
      <xs:element type="xs:boolean" name="defaultRole" minOccurs="0" default="true"/>
      <xs:element type="xs:boolean" name="anonymousRole" minOccurs="0" default="true"/>
      <xs:element type="xs:boolean" name="transitionRole" minOccurs="0" default="true"/>
      <xs:element type="tags" name="tags" minOccurs="0"/>
      <xs:element type="i18nStringTypeWithExpression" name="caseName" minOccurs="0"/>
      <xs:element type="caseRoleRef" name="roleRef" maxOccurs="unbounded" minOccurs="0"/>
      <xs:choice minOccurs="0">
        <xs:element type="caseUserRef" name="usersRef" maxOccurs="unbounded"/>
        <xs:element type="caseUserRef" name="userRef" maxOccurs="unbounded"/>
      </xs:choice>
      <xs:element type="processEvents" name="processEvents" minOccurs="0"/>
      <xs:element type="caseEvents" name="caseEvents" minOccurs="0"/>
      <xs:element type="transaction" name="transaction" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="role" name="role" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="function" name="function" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="data" name="data" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="mapping" name="mapping" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="i18n" name="i18n" maxOccurs="unbounded" minOccurs="0">
        <xs:unique name="i18nStringUniqueName">
          <xs:selector xpath="./i18nString"/>
          <xs:field xpath="@name"/>
        </xs:unique>
      </xs:element>
      <xs:element type="transition" name="transition" maxOccurs="unbounded">
        <xs:unique name="dataGroupUniqueId">
          <xs:selector xpath="./dataGroup"/>
          <xs:field xpath="id"/>
        </xs:unique>
      </xs:element>
      <xs:element type="place" name="place" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="arc" name="arc" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <!-- ===== RESTRICTIONS ===== -->
  <xs:simpleType name="data_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="number"/>
      <xs:enumeration value="text"/>
      <xs:enumeration value="stringCollection"/>
      <xs:enumeration value="enumeration"/>
      <xs:enumeration value="enumeration_map"/>
      <xs:enumeration value="multichoice"/>
      <xs:enumeration value="multichoice_map"/>
      <xs:enumeration value="boolean"/>
      <xs:enumeration value="date"/>
      <xs:enumeration value="file"/>
      <xs:enumeration value="fileList"/>
      <xs:enumeration value="user"/>
      <xs:enumeration value="userList"/>
      <xs:enumeration value="dateTime"/>
      <xs:enumeration value="button"/>
      <xs:enumeration value="taskRef"/>
      <xs:enumeration value="caseRef"/>
      <xs:enumeration value="filter"/>
      <xs:enumeration value="i18n"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="scope">
    <xs:restriction base="xs:string">
      <xs:enumeration value="namespace"/>
      <xs:enumeration value="process"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="arc_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="regular"/>
      <xs:enumeration value="reset"/>
      <xs:enumeration value="inhibitor"/>
      <xs:enumeration value="read"/>
      <xs:enumeration value="variable"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="valid">
    <xs:simpleContent>
      <xs:extension base="expression"/>
    </xs:simpleContent>
  </xs:complexType>
  <xs:simpleType name="dataGroupAlignment">
    <xs:restriction base="xs:string">
      <xs:enumeration value="start"/>
      <xs:enumeration value="center"/>
      <xs:enumeration value="end"/>
      <xs:enumeration value="left"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="triggerType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="auto"/>
      <xs:enumeration value="user"/>
      <xs:enumeration value="time"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="assignPolicy">
    <xs:restriction base="xs:string">
      <xs:enumeration value="auto"/>
      <xs:enumeration value="manual"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="finishPolicy">
    <xs:restriction base="xs:string">
      <xs:enumeration value="auto_no_data"/>
      <xs:enumeration value="manual"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="nonNegativeLong">
    <xs:restriction base="xs:long">
      <xs:minInclusive value="0"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="nonNegativeInteger">
    <xs:restriction base="xs:int">
      <xs:minInclusive value="0"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="dataFocusPolicy">
    <xs:restriction base="xs:string">
      <xs:enumeration value="manual"/>
      <xs:enumeration value="auto_empty_required"/>
    </xs:restriction>
  </xs:simpleType>
  <!-- ===== INNER ELEMENTS ===== -->
  <xs:simpleType name="template">
    <xs:restriction base="xs:string">
      <xs:enumeration value="material"/>
      <xs:enumeration value="netgrif"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="appearance">
    <xs:restriction base="xs:string">
      <xs:enumeration value="standard"/>
      <xs:enumeration value="outline"/>
      <xs:enumeration value="fill"/>
      <xs:enumeration value="legacy"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="breakpoint">
    <xs:sequence>
      <xs:element type="nonNegativeInteger" name="x"/>
      <xs:element type="nonNegativeInteger" name="y"/>
    </xs:sequence>
  </xs:complexType>
  <xs:simpleType name="initials">
    <xs:restriction base="xs:string">
      <xs:length value="3"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="options">
    <xs:choice>
      <xs:element type="option" name="option" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="init" name="init"/>
    </xs:choice>
  </xs:complexType>
  <xs:complexType name="inits">
    <xs:sequence>
      <xs:element type="init" name="init" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="expression">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="dynamic" type="xs:boolean" default="false"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="component">
    <xs:sequence>
      <xs:element name="name" type="xs:string"/>
      <xs:choice>
        <xs:element type="property" name="property" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element type="properties" name="properties"/>
      </xs:choice>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="option">
    <xs:simpleContent>
      <xs:extension base="i18nStringType">
        <xs:attribute name="key" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="property">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="key" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="properties">
    <xs:sequence>
      <xs:element type="property" name="property" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="option_icons" type="icons" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="tags">
    <xs:sequence>
      <xs:element type="tag" name="tag" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="tag">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="key" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="icons">
    <xs:sequence>
      <xs:element name="icon" type="icon" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="icon">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="key"/>
        <xs:attribute name="type" type="iconType"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:simpleType name="iconType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="material"/>
      <xs:enumeration value="svg"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="allowedNets">
    <xs:sequence>
      <xs:element type="xs:string" name="allowedNet" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="logic">
    <xs:sequence>
      <xs:element type="xs:boolean" name="perform" minOccurs="0"/>
      <xs:element type="xs:boolean" name="delegate" minOccurs="0"/>
      <xs:element type="xs:boolean" name="view" minOccurs="0"/>
      <xs:element type="xs:boolean" name="cancel" minOccurs="0"/>
      <xs:element type="xs:boolean" name="finish" minOccurs="0"/>
      <xs:choice minOccurs="0">
        <xs:element type="xs:boolean" name="assigned"/>
        <xs:element type="xs:boolean" name="assign"/>
      </xs:choice>
      <xs:element name="behavior" type="behavior" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="action" name="action" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="actionRef" name="actionRef" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="caseLogic">
    <xs:sequence>
      <xs:element type="xs:boolean" name="create" minOccurs="0"/>
      <xs:element type="xs:boolean" name="delete" minOccurs="0"/>
      <xs:element type="xs:boolean" name="view" minOccurs="0"/>
      <xs:element type="action" name="action" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="actionRef" name="actionRef" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="transactionRef">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="roleRef">
    <xs:complexContent>
      <xs:extension base="permissionRef"/>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="userRef">
    <xs:complexContent>
      <xs:extension base="permissionRef"/>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="permissionRef">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="logic" name="logic"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="caseRoleRef">
    <xs:complexContent>
      <xs:extension base="casePermissionRef"/>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="caseUserRef">
    <xs:complexContent>
      <xs:extension base="casePermissionRef"/>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="casePermissionRef">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="caseLogic" name="caseLogic"/>
    </xs:sequence>
  </xs:complexType>
  <xs:simpleType name="behavior">
    <xs:restriction base="xs:string">
      <xs:enumeration value="forbidden"/>
      <xs:enumeration value="hidden"/>
      <xs:enumeration value="visible"/>
      <xs:enumeration value="editable"/>
      <xs:enumeration value="required"/>
      <xs:enumeration value="immediate"/>
      <xs:enumeration value="optional"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="dataRef">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="logic" name="logic"/>
      <xs:element type="layout" name="layout" minOccurs="0"/>
      <xs:element type="component" name="component" minOccurs="0"/>
      <xs:element type="dataEvent" name="event" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="layout">
    <xs:sequence>
      <xs:element type="nonNegativeInteger" name="x" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="y" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="rows" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="cols" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="offset" minOccurs="0"/>
      <xs:element type="template" name="template" minOccurs="0"/>
      <xs:element type="appearance" name="appearance" minOccurs="0"/>
      <xs:element type="fieldAlignment" name="alignment" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="assignedUser">
    <xs:sequence>
      <xs:element type="xs:boolean" name="cancel" minOccurs="0"/>
      <xs:element type="xs:boolean" name="reassign" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:simpleType name="fieldAlignment">
    <xs:restriction base="xs:string">
      <xs:enumeration value="top"/>
      <xs:enumeration value="center"/>
      <xs:enumeration value="bottom"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="layoutType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="flow"/>
      <xs:enumeration value="grid"/>
      <xs:enumeration value="legacy"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="hideEmptyRows">
    <xs:restriction base="xs:string">
      <xs:enumeration value="all"/>
      <xs:enumeration value="compacted"/>
      <xs:enumeration value="none"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="compactDirection">
    <xs:restriction base="xs:string">
      <xs:enumeration value="none"/>
      <xs:enumeration value="up"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="dataGroup">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="nonNegativeInteger" name="cols" minOccurs="0"/>
      <xs:element type="nonNegativeInteger" name="rows" minOccurs="0"/>
      <xs:element type="layoutType" name="layout"/>
      <xs:element type="i18nStringType" name="title" minOccurs="0"/>
      <xs:element type="dataGroupAlignment" name="alignment" minOccurs="0"/>
      <xs:element type="xs:boolean" name="stretch" minOccurs="0"/>
      <xs:element type="hideEmptyRows" name="hideEmptyRows" minOccurs="0"/>
      <xs:element type="compactDirection" name="compactDirection" minOccurs="0"/>
      <xs:element type="dataRef" name="dataRef" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="action">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="trigger"/>
        <xs:attribute name="id"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="validations">
    <xs:sequence>
      <xs:element type="validation" name="validation" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="validation">
    <xs:sequence>
      <xs:element name="expression" type="valid"/>
      <xs:element name="message" type="i18nStringType"/>
      <xs:element name="name" type="xs:string" minOccurs="0"/>
      <xs:element name="arguments" type="arguments" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="arguments">
    <xs:sequence>
      <xs:element type="argument" name="argument" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="argument">
    <xs:sequence>
      <xs:element name="key" type="xs:string"/>
      <xs:element name="dynamic" type="xs:boolean"/>
      <xs:element name="value" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="init">
    <xs:simpleContent>
      <xs:extension base="i18nStringTypeWithExpression"/>
    </xs:simpleContent>
  </xs:complexType>
  <xs:simpleType name="remote">
    <xs:annotation>
      <xs:documentation>
        This attribute is deprecated, use <storage>...</storage> instead
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
      <xs:maxLength value="0"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="storage">
    <xs:sequence>
      <xs:element type="xs:string" name="type"/>
      <xs:element type="xs:string" name="host" minOccurs="0"/>
      <xs:element type="xs:string" name="bucket" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="trigger">
    <!--todo: only if time -->
    <xs:choice minOccurs="0">
      <xs:element name="exact" type="xs:dateTime"/>
      <xs:element name="delay" type="xs:duration"/>
    </xs:choice>
    <xs:attribute name="type" type="triggerType"/>
  </xs:complexType>
  <xs:complexType name="documentRef">
    <xs:sequence>
      <xs:element name="id" type="nonNegativeLong"/>
      <xs:element name="fields" type="nonNegativeLong" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="encryption">
    <xs:simpleContent>
      <xs:extension base="xs:boolean">
        <xs:attribute name="algorithm"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="i18nStringType">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="name" type="xs:string"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="i18nStringTypeWithExpression">
    <xs:simpleContent>
      <xs:extension base="i18nStringType">
        <xs:attribute name="dynamic" type="xs:boolean" default="false"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name="event">
    <xs:complexContent>
      <xs:extension base="baseEvent">
        <xs:sequence>
          <xs:element type="i18nStringType" name="title" minOccurs="0"/>
        </xs:sequence>
        <xs:attribute name="type" use="required" type="eventType"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="baseEvent">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
      <xs:element type="actions" name="actions" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element type="i18nStringType" name="message" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="dataEvent">
    <xs:complexContent>
      <xs:extension base="baseEvent">
        <xs:attribute name="type" use="required" type="dataEventType"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="caseEvent">
    <xs:complexContent>
      <xs:extension base="baseEvent">
        <xs:attribute name="type" use="required" type="caseEventType"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="processEvent">
    <xs:complexContent>
      <xs:extension base="baseEvent">
        <xs:attribute name="type" use="required" type="processEventType"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="eventType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="assign"/>
      <xs:enumeration value="cancel"/>
      <xs:enumeration value="finish"/>
      <xs:enumeration value="delegate"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="dataEventType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="set"/>
      <xs:enumeration value="get"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="caseEventType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="create"/>
      <xs:enumeration value="delete"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="processEventType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="upload"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="eventPhaseType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="pre"/>
      <xs:enumeration value="post"/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="actions">
    <xs:sequence>
      <xs:element type="action" name="action" maxOccurs="unbounded" minOccurs="0"/>
      <xs:element type="actionRef" name="actionRef" maxOccurs="unbounded" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute type="eventPhaseType" name="phase" use="required"/>
  </xs:complexType>
  <xs:complexType name="actionRef">
    <xs:sequence>
      <xs:element type="xs:string" name="id"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="fieldView">
    <xs:choice>
      <xs:element name="area" type="xs:string"/>
      <xs:element name="autocomplete" type="xs:string"/>
      <xs:element name="tree" type="xs:string"/>
      <xs:element name="table" type="xs:string"/>
      <xs:element name="image" type="booleanImageView"/>
      <xs:element name="editor"/>
      <xs:element name="htmlEditor"/>
      <xs:element name="buttonType">
        <xs:simpleType>
          <xs:restriction base='xs:string'>
            <xs:enumeration value="standard"/>
            <xs:enumeration value="raised"/>
            <xs:enumeration value="stroked"/>
            <xs:enumeration value="flat"/>
            <xs:enumeration value="icon"/>
            <xs:enumeration value="fab"/>
            <xs:enumeration value="minifab"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="list">
        <xs:simpleType>
          <xs:union>
            <xs:simpleType>
              <xs:restriction base='xs:string'>
                <xs:length value="0"/>
              </xs:restriction>
            </xs:simpleType>
            <xs:simpleType>
              <xs:restriction base='xs:int'/>
            </xs:simpleType>
          </xs:union>
        </xs:simpleType>
      </xs:element>
    </xs:choice>
  </xs:complexType>
  <xs:complexType name="booleanImageView">
    <xs:sequence>
      <xs:element name="true" type="xs:string"/>
      <xs:element name="false" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="format">
    <xs:choice>
      <xs:element type="currency" name="currency"/>
    </xs:choice>
  </xs:complexType>
  <xs:complexType name="currency">
    <xs:sequence>
      <xs:element type="xs:string" name="code" default="EUR"/>
      <xs:element type="xs:int" name="fractionSize"/>
      <xs:element type="xs:string" name="locale"/>
    </xs:sequence>
  </xs:complexType>
  <!-- UTILS -->
  <xs:simpleType name="empty">
    <xs:restriction base="xs:string">
      <xs:enumeration value=""/>
    </xs:restriction>
  </xs:simpleType>
</xs:schema>