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Working with XML Schema in Stylus Studio

You use the XML Schema Editor to view, define, and validate XML Schema using one or more of four tabs, or views. The Diagram tab is shown in Figure 212.

Figure 212. XML Schema Editor Diagram Tab

Each tab displays the schema from a unique perspective, as summarized here:

  • Text - Displays the raw XML text used to define the XML Schema. In addition to full editing support, features of the Text tab include checkers for well-formedness and validation, as well as a query functionality that lets you evaluate your query using either XPath 1.0 or XPath 2.0. XML Schema query is also supported in the Tree tab. The steps for editing the Text view of an XML Schema are the same as for any other XML document. See Updating XML Documents Using the Text Editor.
  • Tree - Displays a DOM tree representation of the XML Schema. You can edit the XML Schema graphically, in the tree itself, or by modifying the properties of the nodes you select.
  • Diagram - Displays the XML Schema using graphical elements for the nodes (elements, attributes, simpleTypes, complexTypes, and so on) defined in the XML Schema. A text pane lets you see how the changes you make in the diagram affect the XML Schema text.
  • Documentation - Displays read-only summary and detailed reference information about the XML Schema, including sections for schema document properties, global declarations, and global definitions.

When working with XML Schema in Stylus Studio, you can use whichever view (or views) you prefer - Stylus Studio keeps all the view synchronized automatically. If you are just getting started with XML Schema, consider using the Diagram tab. Its graphical user interface makes defining XML Schema easy and error-free, and the Diagram tab's built-in text pane, which lets you see how new nodes are rendered in XML, can be a useful learning tool. To get started using the Diagram view to define an XML Schema, see Defining an XML Schema Using the Diagram Tab - Getting Started. Procedures for working with the Diagram tab are also covered throughout this chapter.

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