docs/org.eclipse.wst.xsdeditor.doc.user/topics/taddrdfn.html - sourceediting/webtools.sourceediting - Git at Google

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  * All rights reserved. This program and the accompanying materials
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 <link href="../../org.eclipse.wst.doc.user/common.css" rel="stylesheet" type="text/css"/>
 <title>Adding redefine elements</title>
 </head>
 <body id="taddrdfn"><a name="taddrdfn"><!-- --></a>  <h1 class="topictitle1">Adding
 redefine elements</h1> <div> 	<div class="skipspace"> 		<div> 			<div>
 	You can use the <samp class="codeph">redefine</samp> mechanism  				to redefine
 simple and complex types, groups, and attribute  				groups obtained from
 external schema files. When you redefine a  				component, you are modifying
 its contents.<p>Like the 				<samp class="codeph">include</samp> mechanism,
 				<samp class="codeph">redefine</samp> requires the external  				components
 to be in the same target namespace as the redefining  				schema, although
 external components from schemas that have no  				namespace can also be redefined.</p></div>
 	</div> 		<p>The following instructions were written for the Resource perspective,
  		but they will also work in many other perspectives.</p> <p>To add a redefine
 element, follow these steps:</p> </div> <ol>
 <li class="skipspace"><span>Open your XML schema in the XML schema editor.</span></li>
 <li class="skipspace"><span>In the Outline view, select your schema.</span> The
 entire schema and its contents should be displayed in the Graph view.</li>
 <li class="skipspace"><span>In the Graph view, right-click in the <b>Directives</b> section
 and click <span class="uicontrol">Add Redefine</span>.</span></li>
 <li class="skipspace"><span>In the Properties view, click the <b>General</b> tab
 and click the <b> <span class="uicontrol">Browse</span></b> button  <img border="0"
 height="18" src="../images/Browse.gif" width="22"/> to the right of the <b> <span
 class="uicontrol">Schema location</span> </b>field.</span> The XML schema
 file you select must have the same namespace as the current schema.</li>
 <li class="skipspace"><span>If you want to select an XML schema located in
 the workbench, select the <b> <span class="uicontrol">Workbench projects</span> </b>radio
 button and click <span class="uicontrol"> <b>Next</b>.</span></span><ol type="a">
 <li><span> Select the schema you want to include and click  	<b> <span class="uicontrol">Finish</span></b>.</span></li>
 </ol> </li>
 <li class="skipspace"><span>If you want to select an XML schema located on
 the Web, select the <b> <span class="uicontrol">HTTP</span></b> radio button
 and click <b> <span class="uicontrol">Next</span></b>.</span><ol type="a">
 <li><span>Type the URL of the XML schema and click  	<b> <span class="uicontrol">Finish</span></b>.
  </span></li>
 </ol>   <div class="note"><span class="notetitle"><b>Note</b>: </span>A local
 copy of the schema will not be stored in the workbench. Every time you validate
 your schema, the schema's contents will be checked from the URL you specify.</div> </li>
 <li class="skipspace"><span>The XML schema editor will retrieve the location
 of the included XML schema file and display it as read-only in the  <b>  <span
 class="uicontrol">Schema location</span>  </b>field.</span></li>
 <li class="skipspace"><span>Click the <b> <span class="uicontrol">Documentation</span></b> tab
 if you want to provide any information about this redefine element.</span> The <span
 class="uicontrol">Documentation</span> page is used for human readable material,
 such as a description, and the <span class="uicontrol">App Info</span>  page
 can be used to provide information for applications.</li>
 </ol> <div class="skipspace"><p>Once you have added the redefine element to
 your XML  	schema, you can redefine any of the simple and complex types, groups,
 and  	attribute groups in the XML schema you selected in the redefine element. </p> </div> </div>  <div><p><b
 class="reltaskshd">Related tasks</b><br/> <a href="../topics/taddimpt.html"
 title="As schemas become larger, it is often desirable to divide their content among several schema documents for purposes such as ease of maintenance, reuse, and readability. XML schema defines two constructs to support this: include and import. The include element brings in definitions and declarations from the included schema into the current schema. It requires the included schema to be in the same target namespace as the including schema. The import element behaves in a similar way, with the exception that the imported schema can come from a different namespace."
 >Adding an import element</a><br/> <a href="../topics/taddincl.html" title="As schemas become larger, it is often desirable to divide their content among several schema documents for purposes such as ease of maintenance, reuse, and readability. XML schema defines two constructs to support this: include and import. The include element brings in definitions and declarations from the included schema into the current schema. It requires the included schema to be in the same target namespace as the including schema. The import element behaves in a similar way, with the exception that the imported schema can come from a different namespace."
 >Adding an include element</a><br/> </p> <p><b class="relrefhd">Related reference</b><br/> <a
 href="../topics/rnmspc.html" title="">XML namespaces</a><br/> </p> </div> </body>
 </html>
	<?xml version="1.0" encoding="utf-8"?>
	<!--Arbortext, Inc., 1988-2005, v.4002-->
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html>
	<head>
	<!-- /*******************************************************************************
	* Copyright (c) 2000, 2005 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/ -->
	<link href="../../org.eclipse.wst.doc.user/common.css" rel="stylesheet" type="text/css"/>
	<title>Adding redefine elements</title>
	</head>
	<body id="taddrdfn"><a name="taddrdfn"><!-- --></a> <h1 class="topictitle1">Adding
	redefine elements</h1> <div> <div class="skipspace"> <div> <div>
	You can use the <samp class="codeph">redefine</samp> mechanism to redefine
	simple and complex types, groups, and attribute groups obtained from
	external schema files. When you redefine a component, you are modifying
	its contents.<p>Like the <samp class="codeph">include</samp> mechanism,
	<samp class="codeph">redefine</samp> requires the external components
	to be in the same target namespace as the redefining schema, although
	external components from schemas that have no namespace can also be redefined.</p></div>
	</div> <p>The following instructions were written for the Resource perspective,
	but they will also work in many other perspectives.</p> <p>To add a redefine
	element, follow these steps:</p> </div> <ol>
	<li class="skipspace"><span>Open your XML schema in the XML schema editor.</span></li>
	<li class="skipspace"><span>In the Outline view, select your schema.</span> The
	entire schema and its contents should be displayed in the Graph view.</li>
	<li class="skipspace"><span>In the Graph view, right-click in the <b>Directives</b> section
	and click <span class="uicontrol">Add Redefine</span>.</span></li>
	<li class="skipspace"><span>In the Properties view, click the <b>General</b> tab
	and click the <b> <span class="uicontrol">Browse</span></b> button <img border="0"
	height="18" src="../images/Browse.gif" width="22"/> to the right of the <b> <span
	class="uicontrol">Schema location</span> </b>field.</span> The XML schema
	file you select must have the same namespace as the current schema.</li>
	<li class="skipspace"><span>If you want to select an XML schema located in
	the workbench, select the <b> <span class="uicontrol">Workbench projects</span> </b>radio
	button and click <span class="uicontrol"> <b>Next</b>.</span></span><ol type="a">
	<li><span> Select the schema you want to include and click <b> <span class="uicontrol">Finish</span></b>.</span></li>
	</ol> </li>
	<li class="skipspace"><span>If you want to select an XML schema located on
	the Web, select the <b> <span class="uicontrol">HTTP</span></b> radio button
	and click <b> <span class="uicontrol">Next</span></b>.</span><ol type="a">
	<li><span>Type the URL of the XML schema and click <b> <span class="uicontrol">Finish</span></b>.
	</span></li>
	</ol> <div class="note"><span class="notetitle"><b>Note</b>: </span>A local
	copy of the schema will not be stored in the workbench. Every time you validate
	your schema, the schema's contents will be checked from the URL you specify.</div> </li>
	<li class="skipspace"><span>The XML schema editor will retrieve the location
	of the included XML schema file and display it as read-only in the <b> <span
	class="uicontrol">Schema location</span> </b>field.</span></li>
	<li class="skipspace"><span>Click the <b> <span class="uicontrol">Documentation</span></b> tab
	if you want to provide any information about this redefine element.</span> The <span
	class="uicontrol">Documentation</span> page is used for human readable material,
	such as a description, and the <span class="uicontrol">App Info</span> page
	can be used to provide information for applications.</li>
	</ol> <div class="skipspace"><p>Once you have added the redefine element to
	your XML schema, you can redefine any of the simple and complex types, groups,
	and attribute groups in the XML schema you selected in the redefine element. </p> </div> </div> <div><p><b
	class="reltaskshd">Related tasks</b><br/> <a href="../topics/taddimpt.html"
	title="As schemas become larger, it is often desirable to divide their content among several schema documents for purposes such as ease of maintenance, reuse, and readability. XML schema defines two constructs to support this: include and import. The include element brings in definitions and declarations from the included schema into the current schema. It requires the included schema to be in the same target namespace as the including schema. The import element behaves in a similar way, with the exception that the imported schema can come from a different namespace."
	>Adding an import element</a><br/> <a href="../topics/taddincl.html" title="As schemas become larger, it is often desirable to divide their content among several schema documents for purposes such as ease of maintenance, reuse, and readability. XML schema defines two constructs to support this: include and import. The include element brings in definitions and declarations from the included schema into the current schema. It requires the included schema to be in the same target namespace as the including schema. The import element behaves in a similar way, with the exception that the imported schema can come from a different namespace."
	>Adding an include element</a><br/> </p> <p><b class="relrefhd">Related reference</b><br/> <a
	href="../topics/rnmspc.html" title="">XML namespaces</a><br/> </p> </div> </body>
	</html>