java swing jtable

Question

小弟不才，才学swing
[code="java"]
/*

• MySwingView.java */

package myswing;

import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFrame;

/**

• The application's main frame.
  */
  public class MySwingView extends FrameView {

  public MySwingView(SingleFrameApplication app) {
  super(app);

  initComponents();
  
  // status bar initialization - message timeout, idle icon and busy animation, etc
  ResourceMap resourceMap = getResourceMap();
  int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
  messageTimer = new Timer(messageTimeout, new ActionListener() {
      public void actionPerformed(ActionEvent e) {
          statusMessageLabel.setText("");
      }
  });
  messageTimer.setRepeats(false);
  int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
  for (int i = 0; i < busyIcons.length; i++) {
      busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
  }
  busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {
      public void actionPerformed(ActionEvent e) {
          busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
          statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
      }
  });
  idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
  statusAnimationLabel.setIcon(idleIcon);
  progressBar.setVisible(false);
  
  // connecting action tasks to status bar via TaskMonitor
  TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
  taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
      public void propertyChange(java.beans.PropertyChangeEvent evt) {
          String propertyName = evt.getPropertyName();
          if ("started".equals(propertyName)) {
              if (!busyIconTimer.isRunning()) {
                  statusAnimationLabel.setIcon(busyIcons[0]);
                  busyIconIndex = 0;
                  busyIconTimer.start();
              }
              progressBar.setVisible(true);
              progressBar.setIndeterminate(true);
          } else if ("done".equals(propertyName)) {
              busyIconTimer.stop();
              statusAnimationLabel.setIcon(idleIcon);
              progressBar.setVisible(false);
              progressBar.setValue(0);
          } else if ("message".equals(propertyName)) {
              String text = (String)(evt.getNewValue());
              statusMessageLabel.setText((text == null) ? "" : text);
              messageTimer.restart();
          } else if ("progress".equals(propertyName)) {
              int value = (Integer)(evt.getNewValue());
              progressBar.setVisible(true);
              progressBar.setIndeterminate(false);
              progressBar.setValue(value);
          }
      }
  });
  

  }

  @Action
  public void showAboutBox() {
  if (aboutBox == null) {
  JFrame mainFrame = MySwingApp.getApplication().getMainFrame();
  aboutBox = new MySwingAboutBox(mainFrame);
  aboutBox.setLocationRelativeTo(mainFrame);
  }
  MySwingApp.getApplication().show(aboutBox);
  }

  /** This method is called from within the constructor to

  • initialize the form.
  • WARNING: Do NOT modify this code. The content of this method is

  • always regenerated by the Form Editor.
    */
    //
    
    private void initComponents() {

    mainPanel = new javax.swing.JPanel();
    jScrollPane1 = new javax.swing.JScrollPane();
    jTable1 = new javax.swing.JTable();
    menuBar = new javax.swing.JMenuBar();
    javax.swing.JMenu fileMenu = new javax.swing.JMenu();
    javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
    jMenuItem1 = new javax.swing.JMenuItem();
    javax.swing.JMenu helpMenu = new javax.swing.JMenu();
    javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
    statusPanel = new javax.swing.JPanel();
    javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
    statusMessageLabel = new javax.swing.JLabel();
    statusAnimationLabel = new javax.swing.JLabel();
    progressBar = new javax.swing.JProgressBar();

    mainPanel.setName("mainPanel"); // NOI18N

    jScrollPane1.setName("jScrollPane1"); // NOI18N

    jTable1.setModel(new javax.swing.table.DefaultTableModel(
    new Object [][] {
    {null, null, null, null},
    {null, null, null, null},
    {null, null, null, null},
    {null, null, null, null}
    },
    new String [] {
    "Title 1", "Title 2", "Title 3", "Title 4"
    }
    ) {
    boolean[] canEdit = new boolean [] {
    false, false, false, true
    };

    public boolean isCellEditable(int rowIndex, int columnIndex) {
        return canEdit [columnIndex];
    }
    

    });
    jTable1.setName("jTable1"); // NOI18N
    jScrollPane1.setViewportView(jTable1);

    javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
    mainPanel.setLayout(mainPanelLayout);
    mainPanelLayout.setHorizontalGroup(
    mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(mainPanelLayout.createSequentialGroup()
    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 555, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
    );
    mainPanelLayout.setVerticalGroup(
    mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(mainPanelLayout.createSequentialGroup()
    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 314, Short.MAX_VALUE)
    .addContainerGap())
    );

    menuBar.setName("menuBar"); // NOI18N

    org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(myswing.MySwingApp.class).getContext().getResourceMap(MySwingView.class);
    fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
    fileMenu.setName("fileMenu"); // NOI18N

    javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(myswing.MySwingApp.class).getContext().getActionMap(MySwingView.class, this);
    exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
    exitMenuItem.setName("exitMenuItem"); // NOI18N
    fileMenu.add(exitMenuItem);

    jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Q, java.awt.event.InputEvent.CTRL_MASK));
    jMenuItem1.setText("Item");
    jMenuItem1.setName("jMenuItem1"); // NOI18N
    jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
    thisClick(evt);
    }
    });
    fileMenu.add(jMenuItem1);

    menuBar.add(fileMenu);

    helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
    helpMenu.setName("helpMenu"); // NOI18N

    aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
    aboutMenuItem.setName("aboutMenuItem"); // NOI18N
    helpMenu.add(aboutMenuItem);

    menuBar.add(helpMenu);

    statusPanel.setName("statusPanel"); // NOI18N

    statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

    statusMessageLabel.setName("statusMessageLabel"); // NOI18N

    statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
    statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

    progressBar.setName("progressBar"); // NOI18N

    javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
    statusPanel.setLayout(statusPanelLayout);
    statusPanelLayout.setHorizontalGroup(
    statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 565, Short.MAX_VALUE)
    .addGroup(statusPanelLayout.createSequentialGroup()
    .addContainerGap()
    .addComponent(statusMessageLabel)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 395, Short.MAX_VALUE)
    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
    .addComponent(statusAnimationLabel)
    .addContainerGap())
    );
    statusPanelLayout.setVerticalGroup(
    statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(statusPanelLayout.createSequentialGroup()
    .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
    .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
    .addComponent(statusMessageLabel)
    .addComponent(statusAnimationLabel)
    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
    .addGap(3, 3, 3))
    );

    setComponent(mainPanel);
    setMenuBar(menuBar);
    setStatusBar(statusPanel);
    }//

  private void thisClick(java.awt.event.ActionEvent evt) {
  
  System.out.println("----------------------------->");//菜单栏事件
  }

  // Variables declaration - do not modify
  
  private javax.swing.JMenuItem jMenuItem1;
  private javax.swing.JScrollPane jScrollPane1;
  private javax.swing.JTable jTable1;
  private javax.swing.JPanel mainPanel;
  private javax.swing.JMenuBar menuBar;
  private javax.swing.JProgressBar progressBar;
  private javax.swing.JLabel statusAnimationLabel;
  private javax.swing.JLabel statusMessageLabel;
  private javax.swing.JPanel statusPanel;
  // End of variables declaration

  private final Timer messageTimer;
  private final Timer busyIconTimer;
  private final Icon idleIcon;
  private final Icon[] busyIcons = new Icon[15];
  private int busyIconIndex = 0;

  private JDialog aboutBox;
  }

[/code]

如果我想在表格最后一列加个按钮，点击随便触发一个事件，应该如何写？表格的数据用动态生成。

Answer 1

[code="java"]
package org.zergle.test.swing;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import javax.swing.AbstractCellEditor;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;

public class CustomerJTableTest extends JFrame {
private JPanel pnlButtons = new JPanel();
private JButton btnOK = new JButton("OK");
private JButton btnCancel = new JButton("Cancel");
private JTable table = new JTable(
new Object[][] { { "1", "" }, { "2", "" } }, new String[] { "name",
"operation" });

public CustomerJTableTest() {
    this.pnlButtons.setBackground(Color.ORANGE);
    this.pnlButtons.add(this.btnOK);
    this.pnlButtons.add(this.btnCancel);
    this.table.setRowHeight(35);
    TableColumn col = this.table.getColumnModel().getColumn(1);
    col.setCellEditor(new BasicCellEditor(this.pnlButtons));
    col.setCellRenderer(new TableCellRenderer() {
        public Component getTableCellRendererComponent(JTable table, Object value,
                boolean isSelected, boolean hasFocus, int row, int column) {
            return pnlButtons;
        }
    });
    this.add(this.table.getTableHeader(), BorderLayout.NORTH);
    this.add(this.table);
    this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    this.setSize(800, 600);
    this.setVisible(true);
}

class BasicCellEditor extends AbstractCellEditor implements TableCellEditor {
    protected JComponent comp;

    public BasicCellEditor(JComponent comp) {
        this.comp = comp;
    }

    public Component getTableCellEditorComponent(JTable table,
            Object value, boolean isSelected, int row, int column) {
        return this.comp;
    }

    public Object getCellEditorValue() {
        return this.comp;
    }

}

/**
 * @param args
 */
public static void main(String[] args) {
    new CustomerJTableTest();
}

}
[/code]