Select area in a JPanel,plz help

Question

hi frenz,
i want to select an area in a JPanel by dragging mouse.then i want to findout the components lying in this area and then i want to perform drag and drop operation on tha selected components. please help
me to get the solution of this problem asap.
thanx,

Answer 1

thanx for your reply, actually i m new to swings . below is prtion of my code....
// this is a class which is extending JInternal frame and having an object of class PaintPanel(code of which is given below).that class is painting some grahics in itself. now in this CenterPanel class i m adding some labels to object of PaintPanel. and i want to select components of PaintPanel by selecting an area... with this specification please tell me what shoul i do...
thanx
public class CenterPanel extends JInternalFrame {
     public static JLabel lab1, lab2, lab3, lab4, lab5;
     public static JLabel lab6, lab7, lab8;
     PaintPanel p;
     public JLabel temptitle ;
     Color sc;
     public CenterPanel()
          super(null, true, true,true);
          Font bigFont = new Font("TimesRoman", Font.BOLD, 14);
          Font smallFont = new Font("TimesRoman", Font.PLAIN, 12);
          Container c = getContentPane();
          c.setBackground(Color.white);
          p = new PaintPanel();
          p.setBackground(Color.white);
          p.setPreferredSize(new Dimension(330,430));
          p.setLayout(new FlowLayout());
          lab1 = new JLabel("SAUDI ARAMCO WELL DATABASE");
          lab1.setFont(bigFont);
          add_listener(lab1);
          lab2 = new JLabel("WELL CROSS-SECTION");
          lab2.setFont(bigFont);
          add_listener(lab2);
          lab3 = new JLabel("REPORT: CA03R001-P");
          lab3.setFont(smallFont);
          add_listener(lab3);
          lab4 = new JLabel("455-RUS");
          lab4.setFont(smallFont);
          add_listener(lab4);
          lab5 = new JLabel("2000-");
          lab5.setFont(smallFont);
          add_listener(lab5);
          lab6 = new JLabel("18 5/8\" CSG,");
          lab6.setFont(smallFont);
          add_listener(lab6);
          lab7 = new JLabel("87.50#. H40");
          lab7.setFont(smallFont);
          add_listener(lab7);
          lab8 = new JLabel("@430'");
          lab8.setFont(smallFont);
          add_listener(lab8);
          p.add(lab1);
          p.add(Box.createHorizontalStrut(10));
          p.add(lab2);
          p.add(Box.createHorizontalStrut(150));
          p.add(lab3);
          p.add(lab4);
          p.add(Box.createHorizontalStrut(200));
          p.add(lab5);
          p.add(Box.createHorizontalStrut(250));
          p.add(lab6);
          p.add(Box.createHorizontalStrut(100));
          p.add(lab7);
          p.add(Box.createHorizontalStrut(100));
          p.add(lab8);
          JScrollPane pane = new JScrollPane(p);
          c.add(pane);
     public void add_listener(final JLabel l)
          l.addMouseMotionListener(new MouseMotionAdapter()
               public void mouseDragged(MouseEvent m)
                              l.setBounds(l.getX()+m.getX(),
                                             l.getY()+m.getY(),
                                             l.getWidth(),
                                             l.getHeight());
                              repaint();
class PaintPanel extends JPanel implements MouseListener,MouseMotionListener
     public Rectangle normalShape;
     public int initialX =0;
     public int initialY = 0;
     public int finalX = 0;
     public int finalY = 0;
     public int finalXRelease =0;
     public int finalYRelease = 0;
     protected void paintComponent(Graphics g)
          addMouseListener(this);
          addMouseMotionListener(this);
          super.paintComponent(g);
          Graphics2D g2d = (Graphics2D) g;
          float dash10[] = {10.0f,2.0f,5.0f,2.0f};
          setBackground(Color.white);
          double scale = MainApplication.zoom;
          g2d.scale(scale, scale);
          g2d.drawLine(25, 25, 250, 25);
          g2d.drawLine(0, 70, 300, 70);
          g2d.drawRect(130, 100, 20, 100);
          g2d.setStroke(new BasicStroke(0.3f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL,
                                             0, dash10, 0));
          g2d.setColor(Color.blue);          
          if(finalX>initialX && finalY>initialY)
               g2d.drawRect(initialX,initialY,finalX-initialX,finalY-initialY);
          else if(finalX>initialX &&initialY>finalY)
               g2d.drawRect(initialX,finalY,finalX-initialX,initialY-finalY);
          else if(finalX<initialX &&initialY<finalY)
               g2d.drawRect(finalX,initialY,initialX-finalX,finalY-initialY);
          else
               g2d.drawRect(finalX,finalY,initialX-finalX,initialY-finalY);
          public void mousePressed(MouseEvent e)
               initialX = e.getX();
               initialY = e.getY();
               finalXRelease = initialX ;
               finalYRelease = initialY ;
          public void mouseReleased(MouseEvent e)
               finalX = e.getX();
               finalY = e.getY();
               repaint();
          public void mouseDragged(MouseEvent m)
               finalX = m.getX();
               finalY = m.getY();
               repaint();
     // Provide empty implementations for unused events.
          public void mouseClicked(MouseEvent e){}
          public void mouseEntered(MouseEvent e){}
          public void mouseExited(MouseEvent e) {}
          public void mouseMoved(MouseEvent e) {}