Patch for detail row in t:dataTable
-----------------------------------
Key: MYFACES-1064
URL: http://issues.apache.org/jira/browse/MYFACES-1064
Project: MyFaces
Type: New Feature
Components: Tomahawk
Versions: Nightly
Reporter: Claudio Tasso
This is a patch which adds a new feature to t:dataTable.
This feature is inspired by Oracle ADF table, which has facet called
"detailStamp".
A detail row can be associated to every row in the table, and each detail row
has an expanded or collapsed state.
So, the user can collapse or expand the detail associated to a row.
The content of the detail row is specified inside the "detailStamp" facet and
the user can add a column to the table which is used for expanding or
collapsing the detail row.
Here's an example of usage:
<t:dataTable varDetailToggler="toggler" value="#{testBean.persons}" var="item">
<%-- The Detail Column --%>
<t:column>
<f:facet name="header">
<h:outputText value="Details"/>
</f:facet>
<h:commandLink rendered="#{toggler.currentDetailExpanded}"
action="#{toggler.toggleDetail}">
<h:graphicImage url="opened.gif" style="border: none;"/>
</h:commandLink>
<h:commandLink rendered="#{!toggler.currentDetailExpanded}"
action="#{toggler.toggleDetail}">
<h:graphicImage url="closed.gif" style="border: none;"/>
</h:commandLink>
</t:column>
<%-- Other columns --%>
<t:column>
<f:facet name="header">
<h:outputText value="Name" />
</f:facet>
<h:outputText value="#{item.name}"></h:outputText>
</t:column>
<t:column>
<f:facet name="header">
<h:outputText value="Surname" />
</f:facet>
<h:outputText value="#{item.surname}"></h:outputText>
</t:column>
<%-- The detail ROW --%>
<f:facet name="detailStamp">
<h:outputText value="The current detail..."/>
</f:facet>
</t:dataTable>
As you can see, using the "varDetailToggler" attribute is possible
expand/collapse the current detail row (using an action method) and obtaining
the state of the current detail row in order to show different command links.
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