Re: How do I set a selected item outside of an inmethod datagrid?
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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Re: How do I set a selected item outside of an inmethod datagrid?
if (target != null) {
/*
* Reset the history data source to the item id and shift report
date
* for the item selected. In this case the shift report date will
* always be the same so we may want to optimize that later.
*/
checkItemHistoryDataSource.setCheckProfileId(listItemSelected
.getMatrixCheckProfile().getId());
checkItemHistoryDataSource.setShiftDate(listItemSelected
.getMatrixShiftReport().getDay());
/*
* We know that we want to change the history item if it currently
* doesn't match the listItemSelected and that the data model will
* choose the day of the one selected by the listItemSelected by
* default; however, unfortunately setting it in the
* checkItemHistoryDataSource doesn't refresh the selectedItem.
*/
if ((historyItemSelected.getId() == null)
||
!historyItemSelected.getMatrixCheckProfile().getId().equals(
listItemSelected.getMatrixCheckProfile().getId())) {
itemSelectedHistoryGrid.resetSelectedItems();
selectedItemPanel.setSelectedItem(listItemSelected);
target.addComponent(itemSelectedHistoryGrid);
target.addComponent(selectedItemPanel);
}
}
}
};
It took me quite a bit of time to figure this out so maybe it will save
someone else some time or stimulate better ideas on how to solve such a
problem.
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How do I set a selected item outside of an inmethod datagrid?
I have a table that contains history entries of an item table. Whenever I change the selection in the item table, I repopulate the history in the history table. What I would like to do is select the newest history entry in the history table by default whenever I change the selection on the item table.
