src/XTDL.xsd

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
          xmlns="http://ttcn.ericsson.se/protocolModules/xtdp/xtdl"
          targetNamespace="http://ttcn.ericsson.se/protocolModules/xtdp/xtdl"
          attributeFormDefault="unqualified"
          elementFormDefault="qualified"
>
  <!-- ethgry: version is removed from targetNamespace: ttcn file names are generated from the namespace
               and having the version in it could cause project and importing problems later -->
  <!-- ethgry: targetNamespace is changed to the TCC xtdl one; xtdl is the default nameSpace;
               consequently, all xul: prefixes are removed in the document -->

  <!-- ethgry: in all over the document type names are unified (there were 3 different name conventions before)
               all type names are written in all small font and without any separator character like - or _ -->

  <!-- ethgry(2010-08-24): choice lists of widgets from window, tabpanel and hbox are moved to the group embeddedwidgets  -->

<!--
***********************************************************************
***********************************************************************
**            THE VERSION OF THIS XTDL DOCUMENT IS 1.0               **
**      VERSION SHALL BE INCREASED WHEN ANY NEW INFORMATION OR       **
**  MESSAGES ARE ADDED OR A NON-BACKWARD COMPATIBLE CHANGE IS DONE!  **
***********************************************************************
***********************************************************************
-->

  <!-- ethgry: group is renamed from xul to widgets -->
    <xsd:group name="widgets">
    <xsd:choice>
      <xsd:element name="window" type="windowtype" />
      <xsd:element name="tabpages" type="tabpages" />
      <xsd:element name="tabpage" type="tabpage" />
      <xsd:element name="tree" type="tree" />
      <xsd:element name="hbox" type="hbox" />
      <xsd:element name="label" type="label" />
      <xsd:element name="spacer" type="spacer" />
      <xsd:element name="button" type="button" />
      <xsd:element name="textbox" type="textbox" />
      <xsd:element name="chart" type="chart" />
      <xsd:element name="toolbar" type="toolbar" />
      <xsd:element name="listbox" type="listbox" />
      <xsd:element name="numericalwidget" type="numericalwidget" />
      <xsd:element name="menulist" type="menulist" />
      <xsd:element name="distributionchart" type="distributionchart" />
      <xsd:element name="image" type="image" />
      <xsd:element name="treecols" type="treecols" />
      <xsd:element name="treecol" type="treecol" />
      <xsd:element name="treechildren" type="treechildren" />
      <xsd:element name="treeitem" type="treeitem" />
      <xsd:element name="treerow" type="treerow" />
      <xsd:element name="treecell" type="treecell" />
      <xsd:element name="tracelist" type="tracelist" />
      <xsd:element name="trace" type="trace" />
      <xsd:element name="toolbarelements" type="toolbarelements" />
      <xsd:element name="toolbarbutton" type="toolbarbutton" />
      <xsd:element name="separator" type="separator" />
      <xsd:element name="listitem" type="listitem" />
      <xsd:element name="menuitem" type="menuitem" />
      <xsd:element name="valuelist" type="valuelist" />
      <xsd:element name="pushbutton" type="pushbutton" />
      <xsd:element name="togglebutton" type="togglebutton" />
      <xsd:element name="iterator" type="iterator"/>
      <xsd:element name="tabpagelist" type="tabpagelist"/>
      <xsd:element name="condition" type="condition"/>
      <xsd:element name="insertif" type="insertif"/>
      <xsd:element name="externalvalue" type="iterator"/>
      <xsd:element name="htmlcode" type="htmlcode"/>
      <xsd:element name="metaiterator" type="metaiterator"/>
    </xsd:choice>
  </xsd:group>

  <xsd:complexType name="metaiterator">
    <xsd:attribute name="id" type="xsd:string" use="required" />
  </xsd:complexType>
<!-- Bind widgets to data
     Valid widgets are:
        Button, Toolbarbutton, Pushbutton, Togglebutton,
        Treecell,
        Textbox, Trace
 -->
<!-- Commont attributes -->  
<!--<xsd:attributeGroup ref="commonAttrs" /> -->
    <xsd:attributeGroup name="commonAttrs">
      <xsd:attribute name="id" type="xsd:string"/>
      <xsd:attribute name="disabledongui" type="xsd:boolean" />   
      <xsd:attribute name="customclass" type="xsd:string"/>
    </xsd:attributeGroup> 

    <xsd:complexType name="tabpagelist">
      <xsd:sequence>
        <xsd:group ref="tabpagegroups" minOccurs="1" maxOccurs="1" />
      </xsd:sequence>
    </xsd:complexType>
   
    <xsd:complexType name="dataparams">
      <xsd:sequence>
        <xsd:element name="dataparam" type="dataparam" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>

    <xsd:complexType name="dataparam">
      <xsd:attribute name="name" use="required" type="xsd:string"/>
      <xsd:attribute name="value" use="required" type="xsd:string"/>
    </xsd:complexType>

    <xsd:complexType name="datadescription">
      <xsd:sequence>
        <xsd:element name="params" type="dataparams" minOccurs="0" maxOccurs="1"/>
      </xsd:sequence>
      <xsd:attribute name="source" type="xsd:string" use="required"/>
      <xsd:attribute name="element" type="xsd:string" use="required"/>
      <xsd:attribute name="ptcname" type="xsd:string" use="optional"/>
    </xsd:complexType>

    <xsd:complexType name="datadescriptionlist">
      <xsd:sequence>
        <xsd:element name="datadescription" type="datadescription"  minOccurs="0" maxOccurs="unbounded" />
      </xsd:sequence>
    </xsd:complexType>
    
    <xsd:complexType name="iteratordata">
      <xsd:complexContent>
        <xsd:extension base="datadescription">
          <xsd:attribute name="id" type="xsd:string" use="required"/>
          <xsd:attribute name="metadata" type="xsd:string" use="optional"/>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>

    <xsd:complexType name="iterator">
      <xsd:complexContent>
        <xsd:extension base="iteratordata">
          <xsd:sequence>
            <xsd:group ref="embeddedwidgets"/>
          </xsd:sequence>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>

    <xsd:complexType name="condition">
      <xsd:complexContent>
        <xsd:extension base="iteratordata" >
          <xsd:sequence>
            <xsd:group ref="embeddedwidgets"/>
          </xsd:sequence>
        </xsd:extension>
      </xsd:complexContent>
    </xsd:complexType>

    <xsd:complexType name="if">
      <xsd:attribute name="id" type="xsd:string" use="required"/>
      <xsd:attribute name="negate" type="xsd:boolean" default="false"/>
    </xsd:complexType>

    <xsd:complexType name="insertif">
    	<xsd:complexContent>
    		<xsd:extension base="if">
          <xsd:sequence>
            <xsd:group ref="embeddedwidgets"/>
          </xsd:sequence>
        </xsd:extension>
    	</xsd:complexContent>
    </xsd:complexType>

    <xsd:complexType name="tracelist">
    <xsd:sequence>
      <xsd:element name="trace" type="trace"  minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="toolbarelements">
    <xsd:sequence>
      <xsd:element name="toolbarelement" type="toolbarelement" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="toolbarelement">
    <xsd:choice>
      <xsd:element name="toolbarbutton" type="toolbarbutton" />
      <xsd:element name="pushbutton" type="pushbutton" />
      <xsd:element name="togglebutton" type="togglebutton" />
      <xsd:element name="separator" type="separator" />
    </xsd:choice>
  </xsd:complexType>


  <xsd:element name="window" type="windowtype" />

  <xsd:group name="embeddedwidget" >
    <xsd:choice>
      <xsd:element name="iterator" type="iterator"/>
      <xsd:element name="tabpages" type="tabpages" />
      <xsd:element name="tree" type="tree" />
      <xsd:element name="hbox" type="hbox" />
      <xsd:element name="label" type="label" />
      <xsd:element name="spacer" type="spacer" />
      <xsd:element name="button" type="button" />
      <xsd:element name="textbox" type="textbox" />
      <xsd:element name="numericalwidget" type="numericalwidget" />
      <xsd:element name="chart" type="chart" />
      <xsd:element name="distributionchart" type="distributionchart" />
      <xsd:element name="toolbar" type="toolbar" />
      <xsd:element name="listbox" type="listbox" />
      <xsd:element name="menulist" type="menulist" />
      <xsd:element name="pushbutton" type="pushbutton" />
      <xsd:element name="togglebutton" type="togglebutton" />
      <xsd:element name="condition" type="condition"/>
      <xsd:element name="insertif" type="insertif"/>
      <xsd:element name="externalvalue" type="iterator"/>
      <xsd:element name="htmlcode" type="htmlcode" />
    </xsd:choice>
  </xsd:group>

  <xsd:group name="embeddedwidgets">
    <xsd:sequence>
      <xsd:group ref="embeddedwidget" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="windowtype">
    <xsd:sequence>
      <xsd:element name="image" type="image"  minOccurs="0" maxOccurs="unbounded" />
      <xsd:group ref="embeddedwidgets"/>
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="title" type="xsd:string" />
    <xsd:attribute name="width" type="xsd:decimal" />
    <xsd:attribute name="height" type="xsd:decimal" />
    <xsd:attribute name="orientation" type="orientation" fixed="vertical" />
    <xsd:attribute name="about" type="xsd:string" />
    <xsd:attribute name="help" type="xsd:string" /> 
  </xsd:complexType>

  <xsd:complexType name="tabpages">
    <xsd:sequence>
      <xsd:group ref="tabpagegroups" />
    </xsd:sequence>
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="layout" type="tablayout" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

<!---->
  <xsd:complexType name="tabpageiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="tabpagegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="tabpagecondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="tabpagegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="tabpageinsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="tabpagegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="tabpagegroup">
    <xsd:choice>
      <xsd:element name="iterator" type="tabpageiterator" />
      <xsd:element name="tabpage" type="tabpage"/>
      <xsd:element name="condition" type="tabpagecondition"/>
      <xsd:element name="insertif" type="tabpageinsertif"/>
      <xsd:element name="externalvalue" type="tabpageiterator"/>
      </xsd:choice>
  </xsd:group>

  <xsd:group name="tabpagegroups">
    <xsd:sequence>
      <xsd:group ref="tabpagegroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>
 
 <!---->

  <xsd:complexType name="tabpage">
    <xsd:group ref="embeddedwidgets" />
    <xsd:attribute name="orientation" type="orientation" />
    <xsd:attribute name="maxheight" type="xsd:decimal" />
    <xsd:attribute name="label" type="xsd:string" use="required" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>
  
  <xsd:simpleType name="tablayout">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="WRAP" />
      <xsd:enumeration value="SCROLL" />
      <xsd:enumeration value="CARD" />
      <xsd:enumeration value="LISTCARD" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:complexType name="tree">
    <xsd:sequence>
      <xsd:element name="treecols" type="treecols" minOccurs="1" />
      <xsd:element name="treechildren" type="treechildren" />
    </xsd:sequence>
    <xsd:attribute name="rows" type="xsd:decimal" />
    <xsd:attribute name="hidecolumnpicker" type="xsd:boolean" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>


<!-- THE LOWER BOUND OF treecol ITERATIONS IS SET TO 0 TO ALLOW INITIALIZING TTCN-3 VARIABLES
     WITH AN EMPTY LIST, BUT WHEN SENDING, IT SHALL CONTAIN AT LEAST ONE ELEMENT -->
<!---->
  <xsd:complexType name="treecoliterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treecolgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treecolcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treecolgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="treecolgroups">
    <xsd:sequence>
      <xsd:group ref="treecolgroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="treecolinsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="treecolgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="treecolgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="treecoliterator" />
      <xsd:element name="treecol" type="treecol"/>
      <xsd:element name="condition" type="treecolcondition"/>
      <xsd:element name="insertif" type="treecolinsertif"/>
      <xsd:element name="externalvalue" type="treecoliterator"/>
      </xsd:choice>
  </xsd:group>
<!---->

  <xsd:complexType name="treecols">
    <xsd:sequence>
          <xsd:group ref="treecolgroups"/>
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="treecol">
    <xsd:attribute name="label" type="xsd:string" use="required" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="widgetType" type="widgettype" use="required" />
    <xsd:attribute name="editable" type="xsd:boolean" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attribute name="align" type="align" />
    <xsd:attribute name="treecellalign" type="align" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:group name="treeitemgroups">
    <xsd:sequence>
      <xsd:group ref="treeitemgroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="treeitemiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treeitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treeitemcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treeitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treeiteminsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="treeitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="treeitemgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="treeitemiterator" />
      <xsd:element name="treeitem" type="treeitem"/>
      <xsd:element name="condition" type="treeitemcondition"/>
      <xsd:element name="insertif" type="treeiteminsertif"/>
      <xsd:element name="externalvalue" type="treeitemiterator"/>
      </xsd:choice>
  </xsd:group>
<!---->

  <xsd:group name="treerowgroups">
    <xsd:sequence>
      <xsd:group ref="treerowgroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="treechildren">
    <xsd:sequence>
      <xsd:group ref="treeitemgroups"/>
    </xsd:sequence>
  </xsd:complexType>

<!---->
  <xsd:complexType name="treerowiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treerowgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treerowcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treerowgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treerowinsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="treerowgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="treerowgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="treerowiterator" />
      <xsd:element name="treerow" type="treerow"/>
      <xsd:element name="condition" type="treerowcondition"/>
      <xsd:element name="insertif" type="treerowinsertif"/>
      <xsd:element name="externalvalue" type="treerowiterator"/>
      </xsd:choice>
  </xsd:group>
<!---->

  <xsd:complexType name="treeitem">
    <xsd:sequence>
          <xsd:group ref="treerowgroups"/>
    </xsd:sequence>
  </xsd:complexType>

<!---->
  <xsd:complexType name="treecelliterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treecellgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treecellcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="treecellgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="treecellinsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="treecellgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="treecellgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="treecelliterator" />
      <xsd:element name="treecell" type="treecell"/>
      <xsd:element name="condition" type="treecellcondition"/>
      <xsd:element name="insertif" type="treecellinsertif"/>
      <xsd:element name="externalvalue" type="treecelliterator"/>
      </xsd:choice>
  </xsd:group>
<!---->
  <xsd:group name="treecellgroups">
    <xsd:sequence>
      <xsd:group ref="treecellgroup" minOccurs="0" maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="treerow">
    <xsd:sequence>
      <xsd:group ref="treecellgroups"/>
    </xsd:sequence>
  </xsd:complexType>

  <xsd:complexType name="treecell">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="visible" type="xsd:boolean" />
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="imageid" type="xsd:string" />
    <xsd:attribute name="align" type="align" />
    <xsd:attribute name="customclass" type="xsd:string"/>     
  </xsd:complexType>

  <xsd:complexType name="hbox">
    <xsd:group ref="embeddedwidgets" />
    <xsd:attribute name="orientation" type="orientation" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="scrollable" type="xsd:boolean" />
    <xsd:attribute name="fixedposition" type="fixedpositions" />   
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="label">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="value" type="xsd:string" use="required" />
    <xsd:attribute name="style" type="xsd:string" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="tooltiptext" type="xsd:string" /> 
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="spacer">
    <xsd:attribute name="flex" type="xsd:decimal" use="required" />
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="button">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"></xsd:element>
    </xsd:sequence>
    <xsd:attribute name="checked" type="xsd:boolean" />
    <xsd:attribute name="label" type="xsd:string" use="required" />
    <xsd:attribute name="type" type="xsd:string" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="imageid" type="xsd:string" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="tooltiptext" type="xsd:string" /> 
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="textbox">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"></xsd:element>
    </xsd:sequence>
    <xsd:attribute name="multiline" type="xsd:boolean" />
    <xsd:attribute name="rows" type="xsd:decimal" />
    <xsd:attribute name="value" type="xsd:string" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="readonly" type="xsd:boolean" />
    <xsd:attribute name="wrap" type="xsd:boolean" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="widgetType" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />  
    <xsd:attribute name="focusafterchange" type="focusafterchange" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:simpleType name="focusafterchange">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="Top" />
      <xsd:enumeration value="Bottom" />
      <xsd:enumeration value="BottomWithTrunc" />      
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:complexType name="numericalwidget">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="widgetType" type="numericalwidgettype" />
    <xsd:attribute name="value" type="xsd:decimal" />
    <xsd:attribute name="readonly" type="xsd:boolean" />
    <xsd:attribute name="spinner" type="xsd:boolean" />
    <xsd:attribute name="slider" type="xsd:boolean" />
    <xsd:attribute name="minvalue" type="xsd:decimal" />
    <xsd:attribute name="maxvalue" type="xsd:decimal" />
    <xsd:attribute name="stepsize" type="xsd:decimal" />
    <xsd:attribute name="tooltiptext" type="xsd:string" /> 
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:group name="tracegroups">
    <xsd:sequence>
      <xsd:group ref="tracegroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:group name="tracegroup">
    <xsd:choice>
          <xsd:element name="trace" type="trace"/>
          <xsd:element name="iterator" type="traceiterator" />
          <xsd:element name="condition" type="tracecondition"/>
          <xsd:element name="insertif" type="traceinsertif"/>
	  <xsd:element name="externalvalue" type="traceiterator"/>
      </xsd:choice>
  </xsd:group>

  <xsd:complexType name="traceinsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="tracegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>


  <xsd:complexType name="tracecondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="tracegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="traceiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="tracegroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="chart">
    <xsd:sequence>
      <xsd:group ref="tracegroups"/>
    </xsd:sequence>
    <xsd:attribute name="title" type="xsd:string" use="required" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="zoomable" type="xsd:boolean" />
    <xsd:attribute name="axisXType" type="axisType" />
    <xsd:attribute name="axisYType" type="axisType" />
    <xsd:attribute name="gridX" type="xsd:boolean" />
    <xsd:attribute name="gridY" type="xsd:boolean" />
    <xsd:attribute name="foregroundColor" type="xsd:string" />
    <xsd:attribute name="backgroundColor" type="xsd:string" />
    <xsd:attribute name="gridColor" type="xsd:string" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="tooltiptext" type="xsd:string" /> 
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="trace">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
      <xsd:choice minOccurs="0" maxOccurs="unbounded">
        <xsd:element name="xy_value" type="xyvalue" />
      </xsd:choice>
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" use="required" />
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="maxPoints" type="xsd:nonNegativeInteger" />
    <xsd:attribute name="color" type="xsd:string" />
    <xsd:attribute name="fill" type="xsd:boolean" />
    <xsd:attribute name="physicalUnitX" type="xsd:string" />
    <xsd:attribute name="physicalUnitY" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />    
  </xsd:complexType>

  <xsd:complexType name="xyvalue">
    <xsd:attribute name="x" type="xsd:decimal" use="required" />
    <xsd:attribute name="y" type="xsd:decimal" use="required" />
  </xsd:complexType>

  <xsd:simpleType name="axisType">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="linear" />
      <xsd:enumeration value="logE" />
      <xsd:enumeration value="log10" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:complexType name="image">
    <xsd:attribute name="imagedata" type="xsd:string" />
    <xsd:attribute name="imageurl" type="xsd:string" />
    <xsd:attribute name="id" type="xsd:string" use="required" />
  </xsd:complexType>

  <!-- FIXME iterator -->
  <xsd:complexType name="toolbar">
    <xsd:choice minOccurs="0" maxOccurs="unbounded" >
      <xsd:element name="separator" type="separator" />
      <xsd:element name="toolbarbutton" type="toolbarbutton" />
      <xsd:element name="pushbutton" type="pushbutton" />
      <xsd:element name="togglebutton" type="togglebutton" />
    </xsd:choice>
    <xsd:attribute name="placement" type="placement" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="toolbarbutton">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="imageid" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="separator">
    <xsd:attribute name="id" type="xsd:string" />
  </xsd:complexType>

<!---->
  <xsd:group name="listitemgroups">
    <xsd:sequence>
      <xsd:group ref="listitemgroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="listitemiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="listitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="listitemgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="listitemiterator" />
      <xsd:element name="listitem" type="listitem"/>
      <xsd:element name="condition" type="listitemcondition"/>
      <xsd:element name="insertif" type="listiteminsertif"/>
      <xsd:element name="externalvalue" type="listitemiterator"/>
      </xsd:choice>
  </xsd:group>

  <xsd:complexType name="listitemcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="listitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="listiteminsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="listitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="listbox">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
      <xsd:group ref="listitemgroups"/>
    </xsd:sequence>
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="rows" type="xsd:nonNegativeInteger" />
    <xsd:attribute name="seltype" type="seltype" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />   
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="listitem">
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="selected" type="xsd:boolean" />
  </xsd:complexType>

  <xsd:simpleType name="seltype">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="single" />
      <xsd:enumeration value="multiple" />
    </xsd:restriction>
  </xsd:simpleType>


  <xsd:complexType name="menulist">
    <xsd:sequence>
      <xsd:element name="menupopup" type="menupopup" />
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="editable" type="xsd:boolean" />
    <xsd:attribute name="readonly" type="xsd:boolean" />
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />  
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

<!---->
  <xsd:complexType name="menuitemiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="menuitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="menuitemgroups">
    <xsd:sequence>
      <xsd:group ref="menuitemgroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:complexType name="menuitemcondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="menuitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="menuiteminsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="menuitemgroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="menuitemgroup">
    <xsd:choice>
      <xsd:element name="iterator" type="menuitemiterator" />
      <xsd:element name="menuitem" type="menuitem"/>
      <xsd:element name="condition" type="menuitemcondition"/>
      <xsd:element name="insertif" type="menuiteminsertif"/>
      <xsd:element name="externalvalue" type="menuitemiterator"/>
      </xsd:choice>
  </xsd:group>
<!---->

  <xsd:complexType name="menupopup">
    <xsd:choice>
      <xsd:group ref="menuitemgroups"/>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:choice>
<!--
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
      <xsd:choice minOccurs="0" maxOccurs="unbounded">
        <xsd:group ref="menuitemgroups"/>        
      </xsd:choice>
    </xsd:sequence>  
    -->
  </xsd:complexType>

  <xsd:complexType name="menuitem">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="id" type="xsd:string" />
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="selected" type="xsd:boolean" />
  </xsd:complexType>

  <xsd:simpleType name="placement">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="north" />
      <xsd:enumeration value="east" />
      <xsd:enumeration value="south" />
      <xsd:enumeration value="west" />
    </xsd:restriction>
  </xsd:simpleType>
  <!--
    egbozie: moved to XTDP-Message <xsd:simpleType name="XTDL-WidgetType">
    <xsd:restriction base="xsd:string"> <xsd:enumeration
    value="pushButton"/> <xsd:enumeration value="checkBox"/>
    <xsd:enumeration value="integerField"/> <xsd:enumeration
    value="floatField"/> <xsd:enumeration value="statusLED"/>
    <xsd:enumeration value="string"/> <xsd:enumeration
    value="statusLEDWithText"/> </xsd:restriction> </xsd:simpleType>
  --> <!-- from XTDP_Message.xsd - egbozie -->
  <xsd:simpleType name="widgettype">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="pushButton" />
      <xsd:enumeration value="checkBox" />
      <xsd:enumeration value="integerField" />
      <xsd:enumeration value="floatField" />
      <xsd:enumeration value="statusLED" />
      <xsd:enumeration value="string" />
      <xsd:enumeration value="statusLEDWithText" />
      <xsd:enumeration value="trace" />
      <xsd:enumeration value="image" />
      <xsd:enumeration value="valueList" />
      <xsd:enumeration value="none" />
      <xsd:enumeration value="toggleButton" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="numericalwidgettype">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="integerField" />
      <xsd:enumeration value="floatField" />
    </xsd:restriction>
  </xsd:simpleType>


<!---->
  <xsd:complexType name="externaldataiterator">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="externaldatagroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="externaldatacondition">
    <xsd:complexContent>
      <xsd:extension base="iteratordata">
        <xsd:sequence>
          <xsd:group ref="externaldatagroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="externaldatainsertif">
    <xsd:complexContent>
      <xsd:extension base="if">
        <xsd:sequence>
          <xsd:group ref="externaldatagroups"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:group name="externaldatagroups">
    <xsd:sequence>
      <xsd:group ref="externaldatagroup" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
  </xsd:group>

  <xsd:group name="externaldatagroup">
    <xsd:choice>
      <xsd:element name="iterator" type="externaldataiterator" />
      <xsd:element name="condition" type="externaldatacondition"/>
      <xsd:element name="insertif" type="externaldatainsertif"/>
      <xsd:element name="externalvalue" type="externaldataiterator"/>
      <xsd:element name="intervallimits" type="intervallimits"/>
      <xsd:element name="valuelist" type="valuelist" minOccurs="0" maxOccurs="unbounded" />     
    </xsd:choice>
  </xsd:group>

<!---->
  <xsd:complexType name="distributionchart">
    <xsd:sequence>
      <xsd:group ref="externaldatagroups"/>
    </xsd:sequence>
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="title" type="xsd:string" />
    <xsd:attribute name="axisXLabel" type="xsd:string" />
    <xsd:attribute name="axisYLabel" type="xsd:string" />
    <xsd:attribute name="showlegend" type="xsd:boolean" />
    <xsd:attribute name="orientation" type="orientation" />
    <xsd:attribute name="backgroundcolor" type="xsd:string" />
    <xsd:attribute name="gridcolor" type="xsd:string" />
    <xsd:attribute name="labeltype" type="labeltype" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />   
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="intervallimits">
    <xsd:choice>
      <xsd:element name="externaldata" type="datadescription" maxOccurs="1"/>
      <xsd:element name="value" type="xsd:float" minOccurs="0" maxOccurs="unbounded" />
    </xsd:choice>
    <xsd:attribute name="id" type="xsd:string" use="required" />
  </xsd:complexType>

<!--The value list can be handled only with the limits together.-->
<!--The limits must be checked each time a new statistic is added to the chart.-->
<!--Therefore adding a standalone valuelist is not permitted.-->
  <xsd:complexType name="valuelist">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
      <xsd:element name="value" type="xsd:integer" minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>   
    
    <xsd:attribute name="id" type="xsd:string" use="required" />
    <xsd:attribute name="color" type="xsd:string" />
    <xsd:attribute name="legend" type="xsd:string" />
    <xsd:attribute name="labeltype" type="labeltype" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />        
  </xsd:complexType>

  <xsd:simpleType name="orientation">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="vertical" />
      <xsd:enumeration value="horizontal" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="fixedpositions">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="TopLeft" />
      <xsd:enumeration value="TopRight" />
      <xsd:enumeration value="BottomLeft" />
      <xsd:enumeration value="BottomRight" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:simpleType name="labeltype">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="none" />
      <xsd:enumeration value="percentage" />
      <xsd:enumeration value="absolute" />
      <xsd:enumeration value="mixed" />
    </xsd:restriction>
  </xsd:simpleType>

  <xsd:complexType name="pushbutton">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="imageid" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:complexType name="togglebutton">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
    </xsd:sequence>
    <xsd:attribute name="state" type="xsd:boolean" use="required" />
    <xsd:attribute name="label" type="xsd:string" />
    <xsd:attribute name="imageid" type="xsd:string" />
    <xsd:attribute name="tooltiptext" type="xsd:string" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>


  <xsd:complexType name="htmlcode">
    <xsd:sequence>
      <xsd:element name="externaldata" type="datadescription" minOccurs="0" maxOccurs="1"/>
      <xsd:element name="value" type="xsd:string" />
    </xsd:sequence>
    <xsd:attribute name="flex" type="xsd:decimal" />
    <xsd:attribute name="disabled" type="xsd:boolean" />
   <xsd:attributeGroup ref="commonAttrs" />
  </xsd:complexType>

  <xsd:simpleType name="align">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="left" />
      <xsd:enumeration value="right" />
      <xsd:enumeration value="center" />      
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>