If I understand your problem correctly you want to do master and detail
grids. When you select an item in a master table (by means of a mouse click)
you want to repopulate the details(history) table and make a selection on
programmaticaly, right?
I would say you first need to override onItemSelection changed to intercept
selection events on your master table:
@Override
public void onItemSelectionChanged(IModel item, boolean
newValue) {
super.onItemSelectionChanged(item, newValue);
if (newValue) {
//selection has changed on the master table
//so you have to update
//the history table's datasource object
updateHistoryTableDatasource(item);//you implementation
goes here
//mark all items in a detail table for update
historyTable.markAllItemsDirty();
//refresh detail table
historyTable.update();
}
}
And for selection of a newest item in a history I would suggest that you
sort history by date that the newest item comes first and then simply select
the first item in the historyTable.
cheers
Marcin
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