1
我创建了一个JTable，但出于某种原因行选择不起作用（我正在使用mac和Nimbus L & F）。行选择不在JTable中工作
下面是代码：
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package nysemarketpick;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
/**
*
* @author Administrator
*/
public class PortfolioForm extends javax.swing.JFrame {
/**
* Creates new form PortfolioForm
*/
public PortfolioForm() {
initComponents();
}
/**
* 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.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jbtAddRow = new javax.swing.JButton();
jbtDeleteRow = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTable1 = new javax.swing.JTable();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Row functions"));
jbtAddRow.setText("Add New Row");
jbtDeleteRow.setText("Delete Selected Row");
org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.add(34, 34, 34)
.add(jbtAddRow))
.add(jPanel1Layout.createSequentialGroup()
.add(16, 16, 16)
.add(jbtDeleteRow)))
.addContainerGap(40, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.add(jbtAddRow)
.add(18, 18, 18)
.add(jbtDeleteRow)
.addContainerGap(26, Short.MAX_VALUE))
);
jTable1.setAutoCreateRowSorter(true);
jTable1.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{null, null, null, null, null}
},
new String [] {
"Stock Symbol", "Stock Name", "Shares", "Value (in Dollars)", "Total Value"
}
) {
Class[] types = new Class [] {
java.lang.String.class, java.lang.String.class, java.lang.Integer.class, java.lang.Double.class, java.lang.Double.class
};
boolean[] canEdit = new boolean [] {
true, false, true, true, false
};
public Class getColumnClass(int columnIndex) {
return types [columnIndex];
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return canEdit [columnIndex];
}
});
tableModel = (DefaultTableModel)jTable1.getModel();
jTable1.setColumnSelectionAllowed(true);
jTable1.setRowSelectionAllowed(true);
jTable1.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
jScrollPane1.setViewportView(jTable1);
jTable1.getColumnModel().getSelectionModel().setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
//add action listeners
jbtAddRow.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
if (jTable1.getSelectedRow() >= 0)
tableModel.insertRow(jTable1.getSelectedRow(), new Vector());
else
tableModel.addRow(new Vector());
}
});
jbtDeleteRow.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
if (jTable1.getSelectedRow() >= 0)
tableModel.removeRow(jTable1.getSelectedRow());
}
});
//add other listeners
tableModel.addTableModelListener(new TableModelListener(){
public void tableChanged(TableModelEvent e)
{
DefaultTableModel model = (DefaultTableModel)e.getSource();
//Object data = model.getValueAt(e.getFirstRow(), e.getColumn());
if (e.getColumn() == 0)
{
Object data = model.getValueAt(e.getFirstRow(), e.getColumn());
String stockSymbol = (String)data;
XMLService2 myService = new XMLService2(stockSymbol);
String stockName = XMLService2.getStockName();
model.setValueAt(stockName, e.getFirstRow(), e.getColumn() + 1);
}
if (e.getColumn() != 4 && model.getValueAt(e.getFirstRow(), 2) != null && model.getValueAt(e.getFirstRow(), 3) != null)
{
Double myDouble =(Integer)model.getValueAt(e.getFirstRow(), 2)*(Double)model.getValueAt(e.getFirstRow(), 3);
model.setValueAt(myDouble, e.getFirstRow(), 4);
}
}
});
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(21, 21, 21)
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 645, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(layout.createSequentialGroup()
.add(31, 31, 31)
.add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(50, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 399, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(27, 27, 27)
.add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(PortfolioForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(PortfolioForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(PortfolioForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(PortfolioForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new PortfolioForm().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTable jTable1;
private DefaultTableModel tableModel;
private javax.swing.JButton jbtAddRow;
private javax.swing.JButton jbtDeleteRow;
// End of variables declaration
}
在这一个任何想法都欢迎。 谢谢。
请允许我们使用NetBeans自动生成的代码，并且有人甚至可以回答您的问题。谢谢！ –
同意，该代码是完全不必要的，与您的问题无关。考虑创建并发布[sscce]（http://sscce.org），只需运行该程序并显示问题所需的代码。 –