Ben--
Today, there's not a way to suppress null items in a data set as
there is with the Repeater. This is definitely an oversight;
ignoreNulls should be part of the data grid.
Obviously, I don't know the structure of your application, but it
might be possible to wrap the ArrayList in a List facade that just
ignores null items.
Please add an enhancement request to support some kind of null
supression. Thanks.
Cheers,
Eddie
On 7/12/07, Burgess, Benjamin <[EMAIL PROTECTED]> wrote:
Thanks for the link. This will help make the null looks prettier when
printed, but it wont prevent their iteration.
What I am really looking for is an "ignoreNulls=true" like there is on
the netui-data:repeater tag. Unfortunately, it does not exist for the
datagrid tag.
I looked at the code, and it would take a little bit of refactoring of
some of the classes which use code like the following:
int index = dataGridModel.getCurrentIndex();
if(index % 2 == 0)
trState.styleClass = styleModel.getRowClass();
else trState.styleClass =
styleModel.getAltRowClass();
This is because, if a NULL element is ignored, the index would still be
incremented, but the odd/even row rendering should keep track of which
style to use next. Basically, the logic of keeping track of odd/even
style class needs to be separated from the actual index into the
datasource.
Ben
-----Original Message-----
From: Scott Hammer [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 11, 2007 2:30 PM
To: Burgess, Benjamin; Beehive Users
Subject: RE: Data Grid with null rows
Ben,
If you are using BEA WebLogic, the weblogic.xml deployment descriptor
has a setting to print null as the empty string. Look for "print-nulls"
under the following URL:
http://e-docs.bea.com/wls/docs100/webapp/weblogic_xml.html#wp1038491
If not using WebLogic, you will likely need add logic to check for null.
HTH,
Scott
-----Original Message-----
From: Burgess, Benjamin [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 11, 2007 11:47 AM
To: [email protected]
Subject: Data Grid with null rows
I am using a netui-data:dataGrid tag to iterate over an ArrayList object
which has some null elements in it. This results in some of the rows
printing "null" to the screen in its columns. Is there a way to tell
the dataGrid to ignore null elements when iterating? I could use the
renderRows="false" on the "rows" tag, and then put an if around a "row"
tag inside, but this makes the odd even row counter get messed up. Is
there some other way? Maybe filters?
Ben
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