[richfaces-issues] [JBoss JIRA] (RF-11738) rich:dataTable doesn't generate cellspacing = 0 and cellpadding = 0

[Brian Leathem (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/RF-11738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12645669#comment-12645669 ] 

Brian Leathem commented on RF-11738:
------------------------------------

I agree the extendedDataTable and dataTable should have the same defaults for cellpadding and cellspacing.  However, changing the defaults will have an impact on the L&F of existing applications, and we will have to do so carefully.

To add the cellpadding and cellspacing, the logical place to do so is in _UIDataTableBase_ which will enable to attribute in the following classes:
||Class|| Current cellpadding||Current cellspacing||
|_AbstractDataTable_           | _unset_ | _unset_ |
|_AbstractExtendedDataTable_   | 0 | 0 |
|_AbstractCollapsibleSubTable_ | _unset_ | _unset_ |
                
> rich:dataTable doesn't generate cellspacing = 0 and cellpadding = 0
> -------------------------------------------------------------------
>
>                 Key: RF-11738
>                 URL: https://issues.jboss.org/browse/RF-11738
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: component-tables
>    Affects Versions: 4.1.0.CR1
>            Reporter: Karsten Wutzke
>              Labels: cellpadding, cellspacing
>
> I often have the requirement for rounded tables, with RF 4 datatables this isn't possible *at all*. For a rounded HTML table to render correctly, the CSS attribute border-collapse: separate; must be used because border-collapse: collapse; is incompatible with CSS 3, see http://vamin.net/examples/rounded_tables2.html (view source). border-collapse: separate; however needs cellspacing = 0, which isn't produced by RF datatables, so rounded borders with datatables can *never* be accomplished without visual artifacts.

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