probleme d affichage dans jtable
ja ia developpe un programme qui m affiche les dones dun fichier dbf en jtable mais le probleme c est que il m affiche la derniere ligne seulement
et je sais pas quoi faire,
et voila le code:
Code:
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| import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import java.awt.Dimension;
import java.awt.GridLayout;
import com.linuxense.javadbf.*;
import java.io.*;
import java.util.*;
/**
* TableDemo is just like SimpleTableDemo, except that it
* uses a custom TableModel.
*/
public class TableDemo extends JPanel {
private boolean DEBUG = false;
public TableDemo() {
super(new GridLayout(1,0));
JTable table = new JTable(new MyTableModel());
table.setPreferredScrollableViewportSize(new Dimension(500, 70));
table.setFillsViewportHeight(true);
//Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table);
//Add the scroll pane to this panel.
add(scrollPane);
}
class MyTableModel extends AbstractTableModel {
private String[] columnNames = {"ref",
"lib",
"qte",
"date"};
private Object[][] data = new Object[4][44];
public MyTableModel (){
try {
InputStream inputStream = new FileInputStream("C:\\INVRIMP0.DBF"); // take dbf file as program argument
DBFReader reader = new DBFReader( inputStream);
Object []rowObjects;
rowObjects = reader.nextRecord();
System.out.println(+ rowObjects.length);
while( (rowObjects = reader.nextRecord()) != null) {
for( int i=0,j=0; i<4; i++) {
this.data[j][i]=rowObjects[i];
}
}
// By now, we have itereated through all of the rows
inputStream.close();
}
catch( DBFException e) {
System.out.println( e.getMessage());
}
catch( IOException e) {
System.out.println( e.getMessage());
}
}
/*public void addNewRow(int ligne) {
int addline = getRowCount();
if (ligne != -1)
addline = ligne +1;
colonneName.add(addline, "Name");
colonneLastName.add(addline, "First Name");
this.fireTableStructureChanged();
}*/
/*public void addRow()
{
Vector row = new Vector();
row.add("data");
row.add(true);
model.addRows(row);}*/
public int getColumnCount() {//retourne le nom de colonne
return columnNames.length;
}
public int getRowCount() {//
return data.length;
}
public String getColumnName(int col) {
return columnNames[col];
}
public Object getValueAt(int row, int col) {
return data[row][col];
}
/*
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
*/
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
}
/*
* Don't need to implement this method unless your table's
* editable.
*/
public boolean isCellEditable(int row, int col) {
//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
if (col < 2) {
return false;
} else {
return true;
}
}
/*
* Don't need to implement this method unless your table's
* data can change.
*/
public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value
+ " (an instance of "
+ value.getClass() + ")");
}
data[row][col] = value;
fireTableCellUpdated(row, col);
if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
}
}
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + data[i][j]);
}
System.out.println();
}
System.out.println("--------------------------");
}
}
/**
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event-dispatching thread.
*/
private static void createAndShowGUI() {
//Create and set up the window.
JFrame frame = new JFrame("TableDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableDemo newContentPane = new TableDemo();
newContentPane.setOpaque(true); //content panes must be opaque
frame.setContentPane(newContentPane);
//Display the window.
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
} |
si quelqu'un peut m aider,,,,
