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Hints Appreciated: How to fix a DefaultTableCellRenderer and

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From: "clusardi2k" <clusardi2k@1:261/38.remove-dpk-this>

From: clusardi2k@aol.com

//How do I get the below project to use the tooltips and color the rows cyan
//and gray. If I comment output the below indicated three lines I get column
//coloring, but lose tooltips.

Thank you,

// Reference:
// http://www.roseindia.net/java/example/java/swing/CustomCellRenderer.shtml

package customcellrenderer;

import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;

public class CustomCellRenderer
{
   JTable table;
   TableColumn tcol;

   public static void main(String[] args)
   {
      new CustomCellRenderer();
   }

    public static void StudentColTooltip(TableColumn OnLine_Col, String text)
    {
        DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();

        renderer.setToolTipText(text);
        OnLine_Col.setCellRenderer(renderer);
    }

  public CustomCellRenderer()
  {
      JFrame frame = new JFrame("Creating a Custom Cell Reanderer!");

      JPanel panel = new JPanel();

      String data[][] = {{"Vinod","Computer","3"},
            {"Rahul","History","2"},
            {"Manoj","Biology","4"},
            {"Sanjay","PSD","5"}};

      String col []           = {"Name","Course","Year"};
      DefaultTableModel model = new DefaultTableModel(data,col);

      table = new JTable(model);

      tcol = table.getColumnModel().getColumn(0);
      tcol.setCellRenderer(new CustomTableCellRenderer());
      tcol = table.getColumnModel().getColumn(1);
      tcol.setCellRenderer(new CustomTableCellRenderer());
      tcol = table.getColumnModel().getColumn(2);
      tcol.setCellRenderer(new CustomTableCellRenderer());

      JTableHeader header = table.getTableHeader();
      header.setBackground(Color.yellow);

      JScrollPane pane = new JScrollPane(table);
      panel.add(pane);

      frame.add(panel);
      frame.setSize(500,150);
      frame.setUndecorated(true);

      frame.getRootPane().setWindowDecorationStyle(JRootPane.PLAIN_DIALOG);
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setVisible(true);
  }

  public class CustomTableCellRenderer extends DefaultTableCellRenderer
  {
      public Component getTableCellRendererComponent (JTable table,
            Object obj, boolean isSelected, boolean hasFocus, int row, int
column)
      {
          Component cell = super.getTableCellRendererComponent(
                table, obj, isSelected, hasFocus, row, column);

          if ( isSelected )
          {
              cell.setBackground(Color.green);
          }
          else
          {
              if ( row % 2 == 0 )
              {
                  cell.setBackground(Color.cyan);
              }
              else
              {
                  cell.setBackground(Color.lightGray);
              }
          }

          //Commenting out the below 3 lines yields cyan and gray columns
          StudentColTooltip(table.getColumnModel().getColumn(0),"Student's Last
Name");
          StudentColTooltip(table.getColumnModel().getColumn(1),"Student's
Major");
          StudentColTooltip(table.getColumnModel().getColumn(2),"Year In
School");

          return cell;

      }
  }
}

-+- BBBS/Li6 v4.10 Dada-1
 + Origin: Prism bbs (1:261/38)
-+- Synchronet 3.16a-Win32 NewsLink 1.98
Time Warp of the Future BBS - telnet://time.synchro.net:24

--- BBBS/Li6 v4.10 Dada-1
 * Origin: Prism bbs (1:261/38)
--- Synchronet 3.16a-Win32 NewsLink 1.98
Time Warp of the Future BBS - telnet://time.synchro.net:24

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Hints Appreciated: How to fix a DefaultTableCellRenderer and "clusardi2k" <clusardi2k@1:261/38.remove-x1c-this> - 2012-07-31 20:07 +0000

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