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Delete Selected Row From JTable Using JPopupMenu

/ Published in: Java
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The following code snippet shows how to remove a row from a JTable component. The example uses a DefaultTableModel object to bind data to a JTable.

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  1. import javax.swing.*;    
  2. import java.awt.event.*;    
  3. import javax.swing.table.DefaultTableModel;  
  4.  
  5. class Program extends JFrame{    
  6.     public static void main(String args[]){    
  7.         Program main = new Program();    
  8.         main.setVisible(true);    
  9.     }    
  10.  
  11.     public Program(){    
  12.         super("JTable Demo");    
  13.  
  14.         DefaultTableModel dtm = new DefaultTableModel(  
  15.             new Object[][]  
  16.             {    
  17.                 { "1", "John", "Smith", "[email protected]" },    
  18.                 { "2", "Suzan", "Carter", "[email protected]" },    
  19.                 { "3", "Abdul", "Latif", "[email protected]" },    
  20.                 { "4", "Jia", "Lou", "[email protected]" }    
  21.             },    
  22.             new Object[]  
  23.             {   
  24.                 "Employee Id", "First Name", "Last Name", "Email"   
  25.             }  
  26.         );  
  27.  
  28.         JTable table = new JTable(dtm);   
  29.  
  30.         ActionListener menuListener = new ActionListener() {  
  31.             public void actionPerformed(ActionEvent event) {  
  32.                 DefaultTableModel dtm = (DefaultTableModel) table.getModel();  
  33.                 int selRow = table.getSelectedRow();  
  34.  
  35.                 if(selRow > -1){  
  36.                     dtm.removeRow(selRow);  
  37.                 }  
  38.             }  
  39.         };  
  40.  
  41.         table.addMouseListener(new MouseAdapter(){  
  42.             public void mouseReleased(MouseEvent e) {  
  43.                 if (e.isPopupTrigger() && e.getComponent() instanceof JTable ){  
  44.  
  45.                     JPopupMenu popup = new JPopupMenu();  
  46.  
  47.                     JMenuItem menuItem = new JMenuItem("Delete");  
  48.                     menuItem.addActionListener(menuListener);  
  49.  
  50.                     popup.add(menuItem);  
  51.                     popup.show(e.getComponent(), e.getX(), e.getY());  
  52.                 }  
  53.             }  
  54.         });  
  55.  
  56.         this.getContentPane().add(table);    
  57.         this.setSize(400,400);    
  58.     }    
  59. }

URL: http://www.hostprojects.net/snippets/java/154/delete-selected-row-from-jtable-using-jpopupmenu

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