Multiple selection of row in a jtable
Hello All,
I am working with this jtable 'tblSearch'. The application requirement is that the user should have the ability to select multiple rows using the control key. I am using the bold part of the code to color the selected row light gray. Can you someone help me to select multiple rows by holding the control key down.
public void PopulateAS400(){
cmbView.hidePopup();
setCursor(hourglassCursor);
int scrPos = scpSearch.getHorizontalScrollBar().getValue();
oapprovalSQL = SQLFactory.createOrderApprovalSql();
Vector FreightList = oapprovalSQL.getData(getAs400SearchString(), getOrderby(), AS400, AS400Overide.length, searchItems, rdoMatchAny.isSelected());
columnNames = (Vector)FreightList.get(1);
data = (Vector)FreightList.get(0);
model = new DefaultTableModel(data,columnNames) {
public Object getValueAt(int row, int col) {
return super.getValueAt(row,col);
public boolean isCellEditable(int row, int col) {
if (row == 0){
getTblSearch().setColumnSelectionAllowed(true);
return true;
getTblSearch().setColumnSelectionAllowed(false);
return false;
public Class getColumnClass(int c) {
if(c == 5 || c == 9){
return BigDecimal.class;
}else{
return String.class;
JTable tmp = new JTable(model)
private final KeyStroke tabKeyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0);
private final KeyStroke shiftTabKeyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_TAB,KeyEvent.SHIFT_DOWN_MASK);
public void changeSelection(int rowIndex, int columnIndex, boolean toggle, boolean extend)
AWTEvent currentEvent = EventQueue.getCurrentEvent();
if(currentEvent instanceof KeyEvent)
KeyEvent ke = (KeyEvent)currentEvent;
if(ke.getSource()!=this)
return;
if (KeyStroke.getKeyStrokeForEvent(ke).equals(tabKeyStroke))
if (rowIndex > 0)
rowIndex = 0;
columnIndex = 0;
toggle = false;
extend = false;
getTblSearch().setColumnSelectionAllowed(true);
else if (KeyStroke.getKeyStrokeForEvent(ke).equals(shiftTabKeyStroke))
if (rowIndex > 0)
rowIndex = 0;
columnIndex = getTblSearch().getColumnCount()-1;
toggle = false;
extend = false;
getTblSearch().setColumnSelectionAllowed(true);
else if (columnIndex == getTblSearch().getColumnCount()-1)
rowIndex = 0;
columnIndex = getTblSearch().getColumnCount()-1;
toggle = false;
extend = false;
getTblSearch().setColumnSelectionAllowed(true);
super.changeSelection(rowIndex, columnIndex, toggle, extend);
public Component prepareRenderer(TableCellRenderer renderer, int rowIndex, int vColumnIndex)
Component c = super.prepareRenderer(renderer, rowIndex, vColumnIndex);
if ((vColumnIndex == 7) && (rowIndex > 0))
if ((model.getValueAt(rowIndex,7) != null) && (model.getValueAt(rowIndex,7).toString().equalsIgnoreCase("NMI")))
c.setBackground(Color.red);
else if ((model.getValueAt(rowIndex,7) != null) && (model.getValueAt(rowIndex,7).toString().equalsIgnoreCase("NMI ANSWERED")))
c.setBackground(Color.green);
else
c.setBackground(Color.white);
else
c.setBackground(Color.white);
**if (isRowSelected(rowIndex) && (rowIndex > 0)){**
**((JComponent)c).setBackground(Color.LIGHT_GRAY);**
if (rowIndex == 0 && isCellSelected(rowIndex, vColumnIndex)) {
c.setBackground(lightBlue);
return c;
setTblSearch(tmp);
getTblSearch().setAutoscrolls(true);
getTblSearch().setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
getTblSearch().setAutoCreateColumnsFromModel(false);
getTblSearch().setColumnSelectionAllowed(false);
getTblSearch().setRowSelectionAllowed(true);
getTblSearch().setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
JTableHeader header8 = getTblSearch().getTableHeader();
ColumnHeaderListener colH8 = new ColumnHeaderListener();
colH8.setCallFrom("OrderApproval");
colH8.setOapproval(this);
header8.addMouseListener(colH8);
header8.setReorderingAllowed(false);
header8.setResizingAllowed(false);
getTblSearch().getColumn("Co #").setCellEditor(asCompCell);
getTblSearch().getColumn("Reg").setCellEditor(asRegCell);
getTblSearch().getColumn("Rep #").setCellEditor(asRepCell);
packColumns(getTblSearch(), 1);
getTblSearch().getColumnModel().getColumn(6).setPreferredWidth(240);
for(int i=0; i<searchEntries8.length; i++) {
getTblSearch().setValueAt(searchEntries8,0,i);
((GenericTextEditor)getTblSearch().getCellEditor(0,i)).setCellEditorValue(searchEntries8[i]);
scpSearch.add(new PopupContainer());
popupMenu = new JPopupMenu();
JMenuItem printFinalOrderMenu = new JMenuItem(PRINTFINALORDER_CMD);
printFinalOrderMenu.addActionListener(new PrintFinalOrderMenuListener());
popupMenu.add(printFinalOrderMenu);
MouseListener popupListener = new PopupListener();
getTblSearch().addMouseListener(popupListener);
scpSearch.setViewportView(getTblSearch());
scpSearch.getHorizontalScrollBar().setValue(scrPos);
setCursor(normalCursor);
Thank you all for your time n help.
Edited by: anjan_dev on Jan 29, 2008 2:14 PM
Edited by: anjan_dev on Jan 29, 2008 2:15 PM
Edited by: anjan_dev on Jan 29, 2008 2:16 PM
The issue is when I have one row already selected and then when I click on another row while holding the control key down. Our application needs an user to be able to select multiple rows at the same time.That is the default behaviour. I have no idea why it doesn't work for you.
Get rid of all your custom KeyEvent logic and try it again.
If you need further help then you need to create a "Short, Self Contained, Compilable and Executable, Example Program (SSCCE)", that demonstrates the incorrect behaviour.
http://homepage1.nifty.com/algafield/sscce.html
Don't forget to use the "Code Formatting Tags", so the posted code retains its original formatting.
http://forum.java.sun.com/help.jspa?sec=formatting
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</code>Hello,
Please edit your post and use proper tags.
+if (table.getSelectedRow() == row) {+
From the JTable API Javadoc:
getSelectedRow()
Returns the index of the first selected row, -1 if no row is selected.
So this only returns +one+ index among all those selected.
You could use <tt>getSelectedRows()</tt> (notice the +s+ !) instead, but there's a much better approach: guess what the +isSelected+ argument to <tt>getTableCellRendererComponent(...)</tt> stands for :o)
Regards.
J.
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, and the video disappears. Any idea how to fix? Im on an early 2008 white macbook 13 inch. Running Software Mac OS X Lion 10.7.5 (11G63). Thanks !
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Multiple Trusted Recon Sources
I recently attended an Oracle OIM training. We were told that you can not have multiple trusted recon sources. This is a feature coming in the next release of OIM. I have read a few posts where it seems you can. The simple business case is that we ha
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Can't delete CITIES folder on E71
I have recently upgraded my firmware on an E71 (Orange UK) I can download maps via the wifi as I need them, but am having unknown errors when I try to load maps via OVI Suite - again latest version . There is plenty of space on my memory card. The re