[richfaces-issues] [JBoss JIRA] Updated: (RF-1870) Need to allow for single set of headers with datatable and embedded datatable

[Jay Balunas (JIRA)]

     [ https://jira.jboss.org/browse/RF-1870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jay Balunas updated RF-1870:
----------------------------

    Fix Version/s: Future_4.X
                       (was: 4.0.0.Milestone2)


> Need to allow for single set of headers with datatable and embedded datatable
> -----------------------------------------------------------------------------
>
>                 Key: RF-1870
>                 URL: https://jira.jboss.org/browse/RF-1870
>             Project: RichFaces
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: component-tables
>    Affects Versions: 3.1.3
>            Reporter: David M. Karr
>            Assignee: Anton Belevich
>             Fix For: Future_4.X
>
>         Attachments: main.jsp, View of current state of page.jpg
>
>
> I have a need to present a datatable that models the information in a spreadsheet.  As such, some of the columns are "scalars", which represent a single value per entity, and some of the columns are multi-valued, such that multiple row values correspond to a single entity.
> For instance, consider the notion of a "Project" entity with "name" and "department" fields, along with a "servers" list property.  Each server has "hostname", "cpuCount", and "platform" fields. I want to display a table with a single list of column headers, being "name", "department", "host name", "cpu count", and "platform" (and some others).
> One row in the "projects" table will have an embedded table for servers.
> In current functionality in v3.1.2, I can have a single header in the main datatable that corresponds to the embedded datatable (like "Servers"), and I can have headers in the embedded datatable (which would repeat for every project row), but there appears to be no way to just have a single set of headers representing all the existing columns unioned from the main datatable and the embedded datatable.
> I've looked at the "subTable" component, but this doesn't appear to do what I need.
> I will attach some artifacts that demonstrate what I'm trying to achieve.

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