[jira] Commented: (TAPESTRY-2263) reset() method for a Grid

["Howard M. Lewis Ship (JIRA)" <de...@tapestry.apache.org>]

    [ https://issues.apache.org/jira/browse/TAPESTRY-2263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12579956#action_12579956 ] 

Howard M. Lewis Ship commented on TAPESTRY-2263:
------------------------------------------------

The duplicate calls to getAvailableRows() should no longer be an issue.

A reset() method should not be a problem.

> reset() method for a Grid
> -------------------------
>
>                 Key: TAPESTRY-2263
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2263
>             Project: Tapestry
>          Issue Type: Improvement
>          Components: tapestry-core
>    Affects Versions: 5.0.10
>            Reporter: Jesper Zedlitz
>            Assignee: Howard M. Lewis Ship
>
> I have a couple of lists with identification numbers. The lists contain entries that are displayed using a Grid. The page ShowEntries has a method onActivate(int id) to get the id from the request. A getEntries() method in that page returns the entries. When I load the page the first time via  /myapp/showentries/1 these methods are invoked:
> onActivate
> getEntries
> GridDataSource.getAvailableRows
> GridDataSource.prepare  (entries 0-19, objects per page is 20)
> GridDataSource.getAvailableRows (4x)
> GridDataSource.getRowValue (n times)
> on chaning to a different page of the table (the 3rd in this example)
> onActivate
> onActivate
> getEntries
> GridDataSource.getAvailableRows
> GridDataSource.prepare 40-59
> GridDataSource.getAvailableRows (4x)
> GridDataSource.getRowValue (n times)
> So far so good. Now I want to load a different list
> /myapp/showentries/2
> But the previous selected page of the table (and the sort column) is displayed instead of the first page.
> It would be nice to have a reset() method on the Grid to start the new request on the first page with a defined sort column.

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