Improve SelectItem(s) handling compatibility with JSF 2.0
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Key: RF-10131
URL: https://issues.jboss.org/browse/RF-10131
Project: RichFaces
Issue Type: Task
Security Level: Public (Everyone can see)
Components: compatibility
Affects Versions: Future_4.X
Environment: myfaces 2.0.3, richfaces 4.0 trunk rev. 20883
Reporter: Martin Kočí
Priority: Minor
1) JSF 2.0 specifies new attributes itemLabel, itemDescription and itemDisabled
for f:selectItem(s). Unfortunately those attributes are not part of public API
but every renderkit must reimplement it again in own code base. RichFaces
org.richfaces.component.util.SelectUtils.getSelectItems(FacesContext,
UIComponent) currently support only old JSF 1.2 style (SelectItem instances are
obtained from value="#{}").
Implement support for f:selectItems value="#{}" var="variable"
itemLabel="#{...}"
itemValue="#{...}"/>
2) null or empty SelectItems handling: o.j.rf.SelectUtils throws an exception
if no SelectItem(s) are available. If think this is too agressive and not very
useful for user. I suggest to use myfaces-like solution: a warning in
development stage like:
WARNING: ValueExpression #{de.bier.humpen} of UISelectItems with component-path
{Component-Path : [Class: javax.faces.component.UIViewRoot,ViewId:
/X500Form.xhtml][Class: javax.faces.component.html.HtmlBody, ... ][Class:
javax.faces.component.UISelectItems,Id: selectItemsId} does not reference an
Object of type SelectItem, array, Iterable or Map, but of type: null
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