<DataSource isSampleDS="true"
    ID="supplyItemCustom"
    serverType="sql"
    tableName="supplyItemCustom"
    useAnsiJoins="true"
>
    <fields>
        <field name="itemID"      type="sequence" hidden="true"       primaryKey="true"/>
        <field name="itemName"    type="text"     title="Item"        length="128"       required="true"/>
        <field name="SKU"         type="text"     title="SKU"         length="10"        required="true">
            <validators>
        	    <validator type="serverCustom">
        	        <errorMessage>Custom Velocity validation: minimum length is 6</errorMessage>
        	        
                    <serverCondition><![CDATA[
                        $value.length() >= 6
                    ]]>
                    </serverCondition>
                </validator>
        	</validators>
        </field>
        <field name="description" type="text"     title="Description" length="2000"/>
        <field name="category"    type="text"     title="Category"    length="128"       required="true"/>
        
        <field name="units"       type="integer"  title="Units"       foreignKey="supplyItemUnits.id"    
               displayField="unitName"            joinType="outer">
            <validators>
                <validator type="hasRelatedRecord" errorMessage="Unknown unit of measure"/>
            </validators>
        </field>
        <field name="unitName"    type="text"     title="Units"       length="50"        
               includeFrom="supplyItemUnits.description"              hidden="true"/>
        <field name="unitCost"    type="float"    title="Unit Cost"   required="true">
            <validators>
                <validator type="floatRange" min="0" errorMessage="Please enter a valid (positive) cost"/>
                <validator type="floatPrecision" precision="2" errorMessage="The maximum allowed precision is 2"/>
            </validators>
        </field>
        <field name="inStock"   type="boolean"  title="In Stock"/>
        <field name="nextShipment"  type="date" title="Next Shipment"/>
    </fields>
</DataSource>