Adf TreeTable, collapsed and expand property.

Question

Hi,
I want to set some instructional text on UI based on whether af:treetable row is expanded or collapsed. Is there any property that I can use on UI that give this information?
I am using adf, Oracle JDeveloper 11g.
Thanks
-Rishabh

Answer 1

Hi Frank,
In Treetable I have two columns and one column in nodeStamp. For example, node column show name of "application", second column show names of scholarships and the third column has commandbutton to apply for that application. Each row in application can be expanded to see list of scholarships attached to that application. Here is the code for this....
<af:treeTable value="#{bindings.SaAppListVO1.treeModel}"
var="node"
selectionListener="#{bindings.SaAppListVO1.treeModel.makeCurrent}"
id="treeTable" expandAllEnabled="true" rowBandingInterval="0"
width="94%" columnStretching="column:application"
columnBandingInterval="0"
disableColumnReordering="true"
summary="List scholarships attached to application"
rendered="#{ bindings.SaAppListVO1.estimatedRowCount > 0}">
<f:facet name="nodeStamp">
<af:column headerText="Application"
id="application">
<af:outputText value="#{node.AppName}"
rendered="#{node.AppId1 ne null}"
inlineStyle="font-size:12px; font-weight:bold;"/>
</af:column>
</f:facet>
<f:facet name="pathStamp"/>
<af:column headerText="Scholarships" width="300" noWrap="false">
<af:panelGroupLayout layout="horizontal">
<af:goLink styleClass="csaLink" text="#{node.ScholarshipsName}">
<af:showPopupBehavior triggerType="click"
popupId="::notewindow"/>
</af:goLink>
<af:image shortDesc="Need-Based"
source="/images/gold.png"
rendered="#{node.IsNeedBased == 'y'}"
inlineStyle="text-align:left;"/>
</af:panelGroupLayout>
</af:column>
<af:column align="center">
<af:commandButton text="Apply!"
rendered="#{node.AppId1 != null}"
action="apply_new">
<af:setPropertyListener from="#{node.AppId1}"
to="#{pageFlowScope.appId}"
type="action"/>
</af:commandButton>
</af:column>
</af:treeTable>
My question here is, where node row is in collapsed mode there is nothing in "scholarship" column. And when it is expanded it list all the scholarship. What I want is to add a text message in that column showing how many scholarships are there for that application in collapsed mode.
Is there any way for doing this?
Thanks,
-Rishabh