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https://issues.jboss.org/browse/RF-12247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12692721#comment-12692721
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Lukáš Fryč commented on RF-12247:
---------------------------------
It can be simply covered by extending the
{{[RendererKitUtils|https://github.com/richfaces/components/blob/develop/common/ui/src/main/java/org/richfaces/renderkit/RenderKitUtils.java]}}
- all the static methods in this class are statically imported to each
generated renderer.
Then you could have
{code}
<c:when test="#{hasAttribute(component, 'brand')}">
{code}
But I don't like that solution because of readability concerns.
> CDK: short-cuts for repetitious expressions
> -------------------------------------------
>
> Key: RF-12247
> URL: https://issues.jboss.org/browse/RF-12247
> Project: RichFaces
> Issue Type: Feature Request
> Security Level: Public(Everyone can see)
> Components: cdk
> Affects Versions: 4.2.0.Final
> Reporter: Paul Dijou
>
> h3. 1) Test if an attribute is present :
> {code:xml}
> <c:when test="#{component.attributes['brand']!= null and not
> component.attributes['brand'].equals('')}">
> {code}
> Can become :
> {code:xml}
> <c:when test="#{component.hasAttribute('brand')}">
> {code}
> {code:java}
> public boolean hasAttribute(String attributeName) {
> // TODO : test if the attribute is present
> }
> {code}
> h3. 2) Test if a facet is present
> Same as before but about JSF facets
> {code:xml}
> <c:when test="#{component.getFacet('brand') != null and
> component.getFacet('brand').rendered}">
> {code}
> Become
> {code:xml}
> <c:when test="#{component.hasFacet('brand')}">
> {code}
> {code:java}
> public boolean hasFacet(String facetName) {
> // TODO : test if the facet is present and rendered
> }
> {code}
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