[jira] Closed: (CAY-912) Lookup fields not working on jtable

["Ari Maniatis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAY-912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ari Maniatis closed CAY-912.
----------------------------

    Resolution: Won't Fix

Data views has gone away.

> Lookup fields not working on jtable
> -----------------------------------
>
>                 Key: CAY-912
>                 URL: https://issues.apache.org/jira/browse/CAY-912
>             Project: Cayenne
>          Issue Type: Bug
>          Components: DataViews
>    Affects Versions: 2.0 branch
>         Environment: JRE 1.5 + Windows Vista :-(
>            Reporter: borgo
>            Assignee: Andrus Adamchik
>
> I have tried to use DataViews with the following example code (http://cayenne.apache.org/doc20/dataviews-in-action.html)
> The DataViews documentation It's not clear about use the lookup when editing a JTable. 
> Two problem arise:
> 1) Lookups combobox are always empty
> I have look at createTableCellEditor() methods in CellEditors
> Here the method field.getLookupValues() returns always an empty list.
> The cause is getRootOwner().getLookupCache().getCachedValues(lookupField) that returns always an empty list.
> I think it's because I haven't setting any data in the cache. 
> But how could I do that ? Does I need to create query in the modeller ? 
> Unluckly, documentation and examples doesn't help to understand how cache and lookup fields works.
> 2) So I have tried to use a custom method to load the lookup combobox.
> Here is another problem: when I pickup an element, the cell in the table is not updated and becomes empty.
> there is no way to update the cell choosing elements from the combo.
> I'm very interested in DataViews. My first reason to use Cayenne is the presence of DataViews.
> I'd like to give my contributes to that project but first we need a working base to develop on.
> Regars
> Andrea

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