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Declares that the composite component whose contract is declared by the <composite:interface>
in which this element is nested exposes an implementation of ValueHolder
suitable for use as the target of attached objects in the using page. Any attached objects suitable for implementations of ValueHolder
may be attached to the composite component. Consider this excerpt from the using page:
Line 2 refers to the <composite:valueHolder>
declaration on line 2 of foo.xhtml
:
It is possible to declare that a single <composite:valueHolder>
element should cause multiple components within the <composite:implementation>
section to be the targets of an attached object in the using page. Assuming the same using page excerpt as above, the revised PDL page is:
In this case, the "targets" attribute on the <composite:valueHolder>
element, on line 2 above, replaces the "name" attribute in the previous example. "targets" is a list of ids of client ids (relative to the top level component) within the <composite:implementation>
section. In this case, "targets" refers to the <h:inputText>
components on lines 6 and 7 above.
Please see <composite:interface>
for a usage example.
Tag Information | |
Tag Class | None |
TagExtraInfo Class | None |
Body Content | JSP |
Display Name | None |
Attributes | ||||
Name | Required | Request-time | Type | Description |
name | true | false | javax.el.ValueExpression
(must evaluate to java.lang.String )
| The value of this attribute maps back to the "for" attribute on an attachable object nested within a composite component. If the "targets" attribute is not specified, this value also represents the component ID of the target component within the that the |
targets | false | false | javax.el.ValueExpression
(must evaluate to java.lang.String )
| If present, this must be a space (not tab) separated list of client ids (relative to the top level component) of components within the |
Variables | No Variables Defined. |
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