Rich text objects

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Rich text objects

An element declaration that defines content from an XHTML schema will be mapped to a rich Text Field object rather that a plain Text Field object. That is, the <field> object that is created in the form design will have <value><exData contentType=”text/html”/></value>.

Three situations arise in which an element will be identified as having rich text content:

•

The schema imports the XHTML schema and declares an element containing a single child, which is the xhtml <body> element, as shown in the following example:

<xsd:schema xmlns:xsd=”http://www.w3.ord/2001/XMLSchema”

xmlns:xhtml=”http://www.w3.ord/1999/xhtml”>

<xsd:import namespace=”http://www.w3.org/1999/xhtml”/>

<xsd:element name=”RichTextField”>

<xsd:complexType>

<xsd:sequence>

<xsd:element ref=”xhtml:body”/>

</xsd:sequence>

</xsd:complexType>

</xsd:element>

•

A schema document declares a string type element with a default or fixed value that begins with the following content:

<body xmlns=”http://www.w3.org/1999/xhtml” …

In this case, a rich text object is created with the value set to that of the default or fixed value.

•

An element declaration includes an attribute of xfa:contentType with a fixed value of text/html, as shown in the following example:

<xsd:schema xmlns:xsd=”http://www.w3.ord/2001/XMLSchema”

xmlns:xfa=”http://www.adobe.com/2003/xfa”>

<xsd:import namespace=”http://www.adobe.com/2003/xfa”/>

<xsd:element name=”RichTextField”>

<xsd:complexType>

<xsd:simpleContent>

<xsd:extension base=”xsd:string”>

<xsd:attribute ref=”xfa:contentType” fixed=”text/html”/>

</xsd:extension>

</xsd:simpleContent>

</xsd:complexType>

</xsd:element>

In this example, the xfa:contentType attribute will not be used to generate a field as in the general attribute case. Instead, it will be interpreted as a directive that the field generated should be a Rich Text Field. In terms of the namespace identifier, the form design has xmlns=”http://www.xfa.org/schema/xfa-template/2.1/ and the XDP file has xmlns:xdp=”http://ns.adobe.com/xdp/.

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