Oracle ADF Table Scrolling to Last Row

Oracle ADF Table Scrolling to Last Row:

package view;
import oracle.adf.model.binding.DCIteratorBinding;
import oracle.adf.view.rich.component.rich.data.RichTable;
import oracle.adf.view.rich.context.AdfFacesContext;
import oracle.jbo.NavigatableRowIterator;
import oracle.jbo.Row;
import oracle.jbo.server.ViewObjectImpl;
import oracle.jbo.uicli.binding.JUCtrlHierBinding;

import org.apache.myfaces.trinidad.model.CollectionModel;
import org.apache.myfaces.trinidad.model.RowKeySet;

public class testBean {
    private RichTable empTable;

    public testBean() {
    }

    public String b1_action() {
        CollectionModel tableModel = (CollectionModel)getEmpTable().getValue();
        JUCtrlHierBinding adfModel = (JUCtrlHierBinding)tableModel.getWrappedData();
        DCIteratorBinding dciter = adfModel.getDCIteratorBinding();
        NavigatableRowIterator nav=dciter.getNavigatableRowIterator();
        //Row newRow = nav.createRow();
        //newRow.setNewRowState(Row.STATUS_INITIALIZED);
        Row lastRow = nav.last();
        int lastRowIndex = nav.getRangeIndexOf(lastRow);
        //nav.insertRowAtRangeIndex(lastRowIndex+1, newRow);
        dciter.setCurrentRowWithKey(lastRow.getKey().toStringFormat(true));
        return null;
    }

    public String b2_action() {
        CollectionModel tableModel = (CollectionModel)getEmpTable().getValue();
        JUCtrlHierBinding adfModel = (JUCtrlHierBinding)tableModel.getWrappedData();
        DCIteratorBinding dciter = adfModel.getDCIteratorBinding();
        NavigatableRowIterator nav=dciter.getNavigatableRowIterator();
        Row lastRow = nav.last();
        int lastRowIndex = nav.getRangeIndexOf(lastRow);
     
        this.empTable.setRowIndex(lastRowIndex);
        //this.tableBinding.setRowIndex(rowIndex);
        RowKeySet ps = this.empTable.getSelectedRowKeys();
        ps.clear();
        ps.add(this.empTable.getRowKey());
        AdfFacesContext.getCurrentInstance().addPartialTarget(this.empTable);
        return null;
    }

    public void setEmpTable(RichTable empTable) {
        this.empTable = empTable;
    }

    public RichTable getEmpTable() {
        return empTable;
    }
}

    public void testScrollingToLastRow() {

        ViewObjectImpl vo = this.getEmployeesView1();

        int pagesCount = vo.getEstimatedRangePageCount();

        vo.scrollToRangePage(pagesCount);

        Row lastRow = vo.getRowAtRangeIndex(vo.getRowCountInRange()-1);

        System.out.println(lastRow.getAttribute(0));

    }