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http://issues.apache.org/jira/browse/MYFACES-562?page=comments#action_12329412
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Erik-Berndt Scheper commented on MYFACES-562:
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I was using the nightly build of 2005-09-07, have now changed to the latest
nightly build and it doesn't work.
The examples work OK because they don´t use an action / actionListener to
perform the sort.
Instead they call the sort() method in the getter of the List.
E.g. pagedSortTable.jsp
The <t:dataTable> tag has sortColumn="#{pagedSort.sort}" and
sortColumnAscending="#{pagedSort.ascending}"
Because it has no action / actionListener property, the super.broadcast()
method does nothing. After this the sort / ascending properties of the handler
are set to their new values.
This means that these properties are available and correct in the getCars()
method of PagedSortableCarList, which executes the Collections.sort() method.
I would like to use an action / actionListener method of the <t:dataTable> tag
to perform the sort.
E.g. something like <t:dataTable
actionListener="#{pagedSort.sortActionListener}" sortColumn="#{pagedSort.sort}"
sortColumnAscending="#{pagedSort.ascending}" >
What happens now is that the super.broadcast() method calls the
sortActionListener() method before the properties sort / ascending of the
handler are set to their new values. So I´m actually sorting on the old values.
This would be fixed if super.broadcast(event) is called after the values of the
datatable have been updated.
> <t:commandSortHeader> processes action / actionListener before updating
> values of sortColumn and sortAscending
> --------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-562
> URL: http://issues.apache.org/jira/browse/MYFACES-562
> Project: MyFaces
> Type: Bug
> Components: Tomahawk
> Versions: 1.0.10m10
> Reporter: Erik-Berndt Scheper
>
> At the moment <t:CommandSortHeader> processes an action / actionListener
> before updating the values of sortColumn and sortAscending. The reason is
> that in the broadcast() method of HtmlCommandSortHeader.java, the method
> super.broadcast(event) is executed before the values are updated.
> The consequence of this bug is that in the methods called by the action /
> actionListener, the sortColumn and sortAscending properties of the datatable
> still have the old value. Which in turn means that any sorting performed in
> the action / actionListener methods lead to incorrect results.
> Suggested solution: call super.broadcast(event) AFTER the values of the
> datatable have been updated.
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