Author: Nobuo Tamemasa

For a column, specify which cell editor to use for which column. If you don't specify a cell editor then the default cell editor for the column is used.

// File: EachRowEditorExample.java
/* (swing1.1beta3) */
 
//package jp.gr.java_conf.tame.swing.examples;

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

import jp.gr.java_conf.tame.swing.table.*;

/**
 * @version 1.0 11/09/98
 */
public class EachRowEditorExample extends JFrame {
  public EachRowEditorExample(){
    super("EachRow Editor Example");
       
    DefaultTableModel dm = new DefaultTableModel();
    dm.setDataVector(
      new Object[][]{{"Name"  ,"MyName"},
                     {"Gender","Male"}},
      new Object[]{"Column1","Column2"});

    JTable table = new JTable(dm);
    JComboBox comboBox = new JComboBox();
    comboBox.addItem("Male");
    comboBox.addItem("Female");
    EachRowEditor rowEditor = new EachRowEditor();
    rowEditor.add(1, new DefaultCellEditor(comboBox));
    table.getColumn("Column2").setCellEditor(rowEditor);

    JScrollPane scroll = new JScrollPane(table);
    getContentPane().add( scroll );
    setSize( 400, 100 );
    setVisible(true);
  }

  public static void main(String[] args) {
    EachRowEditorExample frame = new EachRowEditorExample();
    frame.addWindowListener( new WindowAdapter() {
      public void windowClosing( WindowEvent e ) {
        System.exit(0);
      }
    });
  }
}
  





// File: EachRowEditor.java
/*
 * (swing1.1beta3) jfc#91
 */

package jp.gr.java_conf.tame.swing.table;

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

/**
  * each row TableCellEditor
  *
  * @version 1.0 10/20/98
  * @author Nobuo Tamemasa
  */

public class EachRowEditor implements TableCellEditor {
  protected Hashtable editors;
  protected TableCellEditor editor, defaultEditor;

  /**
   * Constructs a EachRowEditor.
   * create default editor 
   *
   * @see TableCellEditor
   * @see DefaultCellEditor
   */ 
  public EachRowEditor() {
    editors = new Hashtable();
    defaultEditor = new DefaultCellEditor(new JTextField());
  }
  
  /**
   * @param row    table row
   * @param editor table cell editor
   */
  public void add(int row, TableCellEditor editor) {
    editors.put(new Integer(row),editor);
  }
  
  public Component getTableCellEditorComponent(JTable table,
      Object value, boolean isSelected, int row, int column) {
    editor = (TableCellEditor)editors.get(new Integer(row));
    if (editor == null) {
      editor = defaultEditor;
    }
    return editor.getTableCellEditorComponent(table,
             value, isSelected, row, column);
  }

  public Object getCellEditorValue() {
    return editor.getCellEditorValue();
  }
  public boolean stopCellEditing() {
    return editor.stopCellEditing();
  }
  public void cancelCellEditing() {
    editor.cancelCellEditing();
  }
  public boolean isCellEditable(EventObject anEvent) {
    return editor.isCellEditable(anEvent);
  }
  public void addCellEditorListener(CellEditorListener l) {
    editor.addCellEditorListener(l);
  }
  public void removeCellEditorListener(CellEditorListener l) {
    editor.removeCellEditorListener(l);
  }
  public boolean shouldSelectCell(EventObject anEvent) {
    return editor.shouldSelectCell(anEvent);
  }
}
  

Posted On: 2-Jan-1999

internet.commerce