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Re: How do I Sort multi-colum in JTable?

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On Wednesday, 10 November 2010 20:34:53 UTC, markspace  wrote:
> On 11/10/2010 3:42 AM, Tu Tran Quoc wrote:
> > Hi everyone,
> >
> > In Swing we can sort JTable in one column is very easy.
> > http://download.oracle.com/javase/tutorial/uiswing/components/table.html#sorting
> 
> 
> First have a look at SortKeys.  Those are explained in the link you 
> posted, but just a bit further down the page.
> 
> This does allow you to sort by multiple columns.  However, it seems to 
> only work once for the default sort.  Once a user starts clicking on 
> columns, I don't see a way to re-establish the default sort.
> 
> Note in this example the 2nd table is sorted by the 2nd column first, 
> then by the 1st column.
> 
> package test;
> 
> import java.awt.Dimension;
> import java.util.ArrayList;
> import java.util.List;
> import javax.swing.Box;
> import javax.swing.JFrame;
> import javax.swing.JScrollPane;
> import javax.swing.JTable;
> import javax.swing.RowSorter.SortKey;
> import javax.swing.SortOrder;
> import javax.swing.SwingUtilities;
> 
> /**
>   *
>   * @author Brenden
>   */
> public class TableSorter {
> 
>     public static void main( String[] args )
>     {
>        SwingUtilities.invokeLater( new Runnable() {
>           public void run() {
>              createAndShowGui();
>           }
>        } );
>     }
> 
>     private static void createAndShowGui()
>     {
>        JFrame jf = new JFrame("Table Sorter");
>        Box box = Box.createVerticalBox();
> 
>        JTable jt1 = makeNewJTable();
>        jt1.setAutoCreateRowSorter( true );
>        JScrollPane sc1 = new JScrollPane( jt1 );
>        sc1.setPreferredSize( new Dimension( 400, 150 ) );
>        box.add( sc1 );
> 
>        box.add( Box.createRigidArea( new Dimension( 20, 20 ) ) );
> 
>        JTable jt2 = makeNewJTable();
>        jt2.setAutoCreateRowSorter( true );
>        List<SortKey> sortKeys = new ArrayList<SortKey>();
>        sortKeys.add( new SortKey( 1, SortOrder.ASCENDING ) );
>        sortKeys.add( new SortKey( 0, SortOrder.ASCENDING ) );
>        jt2.getRowSorter().setSortKeys( sortKeys );
>        JScrollPane sc2 = new JScrollPane( jt2 );
>        sc2.setPreferredSize( new Dimension( 400, 150 ) );
>        box.add( sc2 );
> 
>        jf.add( box );
>        jf.pack();
>        jf.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
>        jf.setLocationRelativeTo( null );
>        jf.setVisible( true );
> 
>     }
> 
>     private static final Object[][] tableData =
>     {
>        { "Lisa", "Simpson", "Boxing", 2, true},
>        { "Bart", "Simpson", "Checkers", 1, false},
>        { "Joe", "Abbey", "Hockey", 10, false},
>        { "Abigale", "Abbey", "Skating", 5, true },
>     };
>     private static final String[] columnNames =
>      { "First Name", "Last Name", "Sport", "Years", "Vegitarian" };
> 
>     private static JTable makeNewJTable()
>     {
>        return new JTable( tableData, columnNames );
>     }
> }
is it possible to sort the integer using the sortKeys?

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Re: How do I Sort multi-colum in JTable? op.mrafiq@gmail.com - 2016-04-14 12:45 -0700

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