Source Code : Change Table cell background with column renderer

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Change Table cell background with column renderer

  

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.GregorianCalendar;
import java.util.Vector;

import javax.swing.ImageIcon;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.event.TableModelEvent;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;

public class ColorTableColumnRenderer extends JFrame{
  protected JTable table;

  protected MyTableModel tableModel;

  public ColorTableColumnRenderer() {
    super("Stocks Table");
    setSize(300, 300);

    tableModel = new MyTableModel();

    table = new JTable();
    table.setModel(tableModel);

    DefaultTableCellRenderer renderer = new ColoredTableCellRenderer();
    TableColumn column = new TableColumn(0,190, renderer, null);
    table.addColumn(column);

    JScrollPane ps = new JScrollPane();
    ps.getViewport().add(table);
    getContentPane().add(ps, BorderLayout.CENTER);

    WindowListener wndCloser = new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    };
    addWindowListener(wndCloser);
    setVisible(true);
  }

  public static void main(String argv[]) {
    new ColorTableColumnRenderer();
  }
}

class MyTableModel extends AbstractTableModel {
  protected Vector vector;

  protected int columnsCount = 1;

  public MyTableModel() {
    vector = new Vector();
    vector.addElement("2146400");
    vector.addElement("554000");
    vector.addElement("24230");
  }

  public int getRowCount() {
    return vector == null ? 0 : vector.size();
  }

  public int getColumnCount() {
    return columnsCount;
  }

  public String getColumnName(int column) {
    return "data";
  }

  public boolean isCellEditable(int nRow, int nCol) {
    return false;
  }

  public Object getValueAt(int nRow, int nCol) {
    if (nRow < 0 || nRow >= getRowCount())
      return "";
    return vector.elementAt(nRow);
  }

  public String getTitle() {
    return "data ";
  }

}

class ColoredTableCellRenderer extends DefaultTableCellRenderer {
  public void setValue(Object value) {
    setForeground(Color.red);
    super.setValue(value);
  }
}


           
         
    
  

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