<?xml version="1.0" encoding="UTF-8"?> | |
<!--Arbortext, Inc., 1988-2008, v.4002--> | |
<!DOCTYPE task PUBLIC "-//OASIS//DTD DITA Task//EN" | |
"task.dtd"> | |
<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>elements</indexterm></indexterm> | |
<indexterm>XML schema files<indexterm>elements</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, complete the following steps:</p></context> | |
<steps> | |
<step><cmd>To add an element, in the Design view, right-click the | |
content model (sequence, choice, or all element) 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>Minimum Occurrence</uicontrol> field. </cmd> | |
<info>This is the 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>Maximum | |
Occurrence</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. <?Pub Caret?></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 *0000003893?> |