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<!DOCTYPE task PUBLIC "-//OASIS//DTD DITA Task//EN" | |
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<task id="taddelm" xml:lang="en-us"> | |
<title>Adding elements</title> | |
<titlealts> | |
<searchtitle>Adding elements</searchtitle> | |
</titlealts> | |
<shortdesc>Elements are fundamental building blocks in XML. Element declarations | |
provide value constraints, provide a description that can be used for validation, | |
establish constraining relationships between related elements and attributes, | |
and control the substitution of elements.</shortdesc> | |
<prolog><metadata> | |
<keywords><indexterm>XML schema editor<indexterm>adding<indexterm>elements</indexterm></indexterm></indexterm> | |
<indexterm>XML schema editor<indexterm>elements<indexterm>adding</indexterm></indexterm></indexterm> | |
<indexterm>XML schema files<indexterm>adding<indexterm>elements</indexterm></indexterm></indexterm> | |
<indexterm>XML schema files<indexterm>elements<indexterm>adding</indexterm></indexterm></indexterm> | |
</keywords> | |
</metadata></prolog> | |
<taskbody> | |
<context><p>The following instructions were written for the Resource perspective, | |
but they will also work in many other perspectives.</p><p>To add an element:</p></context> | |
<steps> | |
<step><cmd>To add an element, in the Design view, right-click the content | |
model you want to work with and click <uicontrol>Add Element</uicontrol>.</cmd> | |
<info>The element appears attached to the content model in the Design view.</info> | |
<substeps> | |
<substep><cmd>In the Design view, select the element, and click the current | |
(default) name of the element, which puts you in direct editing mode, then | |
type the new <uicontrol>Name</uicontrol> and press enter.</cmd></substep> | |
<substep><cmd>In the Design view, click the current (default) element type | |
and select a type from the menu. Alternately, you can select browse to invoke | |
the Set Type dialog for more options.</cmd><info>The Set Type dialog lists | |
all built-in and user-defined types currently available. You can change the <uicontrol>Scope</uicontrol> of | |
the list by selecting one of the following options:<ul> | |
<li><uicontrol>Workspace</uicontrol>. Lists all of the types available in | |
your workspace. </li> | |
<li><uicontrol>Enclosing Project</uicontrol>. Lists all of the types available | |
in the project that contains your file. </li> | |
<li>(Default) <uicontrol>Current Resource</uicontrol>. List all of the types | |
available in your current file.</li> | |
<li><uicontrol>Working Sets</uicontrol>. List all the types available within | |
the selected working set.</li> | |
</ul></info></substep> | |
</substeps> | |
</step> | |
<step><cmd>(Optional) In the Properties view, select the appropriate value | |
in the <uicontrol>MinOccurs</uicontrol> field.</cmd><info>This is the <?Pub Caret?>number | |
of times the element can appear in an instance document. If you want the element | |
to be optional, select <uicontrol>0</uicontrol>. Otherwise, select <uicontrol>1</uicontrol>. </info> | |
</step> | |
<step><cmd>(Optional) Select the appropriate value in the <uicontrol>MaxOccurs</uicontrol> field.</cmd> | |
<info>This is the maximum number of times the element can appear in an instance | |
document. Select <uicontrol>unbounded</uicontrol> to indicate there is no | |
maximum number of occurrences.</info></step> | |
<step><cmd>Click the <uicontrol>Documentation</uicontrol> tab if you want | |
to provide any information about this element.</cmd><info>The <uicontrol>Documentation</uicontrol> page | |
is used for human readable material, such as a description.</info></step> | |
<step><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></step> | |
</steps> | |
<postreq>You can add a content model to an element, which is the representation | |
of any data that can be contained inside the element. For more information | |
about working with content models, refer to the related tasks.</postreq> | |
</taskbody> | |
</task> | |
<?Pub *0000004079?> |