[
http://issues.apache.org/jira/browse/MYFACES-864?page=comments#action_12358315
]
Mario Ivankovits commented on MYFACES-864:
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Usage:
<h:selectOneMenu
value="#{replacementItems.catalog}"
onchange="submit()">
<opsj:valueChangeNotifier
name="replacementItems.catalogSelected" />
<f:selectItems value="#{replacementItems.catalogs}" />
</h:selectOneMenu>
where you have to replace the taglib "opsj" by the name where you added the
valueChangeNotifier.
Like valueChangeListener, if you add a name with '#{...}' the returned string
of this method will be used to add the valueChange listener. And thus, you have
to strip those if you simply would like to set a bean/method-name.
Currently only the syntax myBean.myMethodName is supported, no valueChange
classes.
> valueChangeNotifier
> -------------------
>
> Key: MYFACES-864
> URL: http://issues.apache.org/jira/browse/MYFACES-864
> Project: MyFaces
> Type: Improvement
> Components: Tomahawk
> Reporter: Mario Ivankovits
> Attachments: ValueChangeCollector.java, ValueChangeManager.java,
> ValueChangeNotifierTag.java, ValueChangePhaseListener.java
>
> Like valueChangeListener but will fire valueChange event AFTER the
> UPDATE_MODEL phase.
> Its not correctly packaged and it didnt use the right package names yet ,
> though, functional.
> It would be great if there is a developer which will review this code so I/he
> can prepare it for addition to tomahawk.
> Maybe Simon? (as you state you do have the same needs)
> It requires a phase listener installed in your fase-config. I am sure we can
> hide this from the user after we packaged it
> faces-config
> <lifecycle>
>
> <phase-listener>com.ops.OPSJ.jsflib.PhaseListener</phase-listener>
> </lifecycle>
> TLD
> <tag>
> <name>valueChangeNotifier</name>
>
> <tag-class>com.ops.OPSJ.jsflib.valueChangeNotifier.ValueChangeNotifierTag</tag-class>
> <body-content>JSP</body-content>
> <description>
> <p>
> Add a value change listener which will be fired AFTER
> UPDATE_MODEL.
> Only "method" valueChange listeners are supported
> currently.
> </p>
> e.g. myBean.myMethoListener
> </description>
> <attribute>
> <name>name</name>
> <required>true</required>
> <rtexprvalue>false</rtexprvalue>
> </attribute>
> </tag>
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