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<task id="taddimpt" xml:lang="en-us"> | |
<title>Adding import elements</title> | |
<titlealts> | |
<searchtitle>Adding import elements</searchtitle> | |
</titlealts> | |
<shortdesc>If your schemas are large, you might choose to divide their | |
content among several schema documents to make them easier to maintain, | |
reuse, and read. You can use an <codeph>import</codeph> element to | |
bring in definitions and declarations from an imported schema into | |
the current schema. </shortdesc> | |
<prolog><metadata> | |
<keywords><indexterm>XML schema editor<indexterm>import elements</indexterm></indexterm> | |
<indexterm>XML schema files<indexterm>import elements</indexterm></indexterm> | |
</keywords> | |
</metadata></prolog> | |
<taskbody> | |
<context><p>You can import a schema from a different namespace than | |
the current schema. You can add multiple import elements to an XML | |
schema; however, an imported schema cannot have the same namespace | |
or prefix as another imported schema.</p><p>The following instructions | |
were written for the Resource perspective, but they will also work | |
in many other perspectives.</p><p>To add an import element, complete | |
the following steps:</p></context> | |
<steps> | |
<step><cmd>Open your XML schema in the XML schema editor.</cmd></step> | |
<step><cmd>In the Design view, right-click in the <b>Directives</b> section | |
and click <uicontrol>Add Import</uicontrol>.</cmd></step> | |
<step><cmd>In the Select XML schema file wizard, you can import an | |
XML schema that is located in your workspace or you can import a schema | |
from an HTTP Web address.</cmd> | |
<choices> | |
<choice>If you want to import an XML schema located in your workspace:<ol> | |
<li>Select <uicontrol>Workbench projects</uicontrol> and click <uicontrol>Next</uicontrol>. </li> | |
<li>Select the schema that you want to import and click <uicontrol>Finish</uicontrol>.</li> | |
</ol></choice> | |
<choice>If you want to import an XML schema located at an HTTP Web | |
address:<ol> | |
<li>Select <uicontrol>HTTP</uicontrol> and click <uicontrol>Next</uicontrol>.</li> | |
<li>Type the URL of the XML schema and click <uicontrol>Finish</uicontrol>.<note>A | |
local copy of the schema is not stored in your workspace. If you validate | |
your schema, the schema's contents are checked from the URL that you | |
specify.</note></li> | |
</ol></choice> | |
</choices> | |
</step> | |
<step importance="optional"><cmd>Use the Properties view to define | |
additional properties for your import element.</cmd> | |
<substeps> | |
<substep><cmd>If you want to add a unique prefix for this namespace, | |
click the <uicontrol>General</uicontrol> tab and type the prefix in | |
the <uicontrol>Prefix</uicontrol> field.</cmd></substep> | |
<substep><cmd>Click the <uicontrol>Documentation</uicontrol> tab if | |
you want to provide any information about this import element. </cmd> | |
<info>The <uicontrol>Documentation</uicontrol> page is used for human | |
readable material, such as a description.</info></substep> | |
<substep><cmd>Click the <uicontrol>Extensions</uicontrol> tab if you | |
want to add application information elements to your annotations of | |
schema components. </cmd><info>The <uicontrol>Extensions</uicontrol> page | |
allows you to specify the schema and add XML content to your annotations.</info> | |
</substep> | |
</substeps> | |
</step> | |
</steps><?Pub Caret1?> | |
<result><p>Once you have added an import element to your XML schema, | |
when you define new elements, attributes, complex types, or simple | |
types where you can specify type information, any declarations from | |
the included schema will be available in the <uicontrol>Type</uicontrol> list | |
for the element, attribute, complex or simple type.</p></result> | |
<postreq></postreq> | |
</taskbody> | |
</task> | |
<?Pub *0000003756?> |