احتاج مساعدة في ال Recyclebin & Jtable

import javax.swing.*;

public class TestEditionJTable {

JFrame frm;
JTable tbl;
public TestEditionJTable() {
MyTableModel model = new MyTableModel();
model.addColumn("Column1");
model.addColumn("Column2");
model.addColumn("Column3");
model.addColumn("Column4");
model.addRow(new Object[]{"Element1", "Element2", "Element3", "Element4"});
model.addRow(new Object[]{"Element5", "Element6", "Element7", "Element8"});
model.addRow(new Object[]{"Element9", "Element10", "Element11", "Element12"});

tbl = new JTable(model);

frm = new JFrame();
frm.add(new JScrollPane(tbl));
frm.setSize(400, 400);
frm.setVisible(true);
}

public static void main(String[] args) {
new TestEditionJTable();
}

class MyTableModel extends DefaultTableModel {
public boolean isCellEditable(int row, int column) {
if (row == 2 && column == 1) {
return false;
} else {
return true;
}
}
}
}

   import javax.swing.table.*;

String[] content = recycler.list();
for (String s : content) {
System.out.println(s);
}

File recycler = new File("c:\\RECYCLER");

public JTable table1() {
dtm1 = new DefaultTableModel() {

@Override
public Class getColumnClass(int column) {
Class returnValue;
if ((column >= 0) && (column < getColumnCount())) {
returnValue = getValueAt(0, column).getClass();
} else {
returnValue = Object.class;
}
return returnValue;
}

@Override
public boolean isCellEditable(int row, int column) {
return false;
}
};

// dtm1.addColumn("select");
dtm1.addColumn("File Name");
dtm1.addColumn("Extension");
dtm1.addColumn("In Folder");
dtm1.addColumn("Size(Byte)");
dtm1.addColumn("Last Modified");
dtm1.addColumn("Groupe");



t1 = new JTable(dtm1) {

// Color red = new Color(255, 150, 150);
@Override
public Component prepareRenderer(
TableCellRenderer renderer, int row, int column) {
Component rend = super.prepareRenderer(renderer, row, column);
//this.setSelectionMode(javax.swing.ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

// convertColumnIndexToModel() is needed if using the JTable convenience method for getValueAt()
// otherwise, column re-arrangement can break because JTable assumes column 2 to be the View's
// column, not the model's column.
// In JDK6+, Rows have the same dilemma since sorting was built into the table implementation.
//this.setCellSelectionEnabled(false);
// this.setRowSelectionAllowed(true);

Integer gr = (Integer) getValueAt(row, this.convertColumnIndexToModel(5));
if (gr % 2 == 0) { // Detect over the hill programmers :)
rend.setBackground(Color.CYAN);

} else { // NOTE: you have to set the color every time since renderers are re-used
if (this.getSelectedRow() == row) {
rend.setBackground(this.getSelectionBackground());
} else {
try {
rend.setBackground(this.getBackground());
} catch (java.lang.NullPointerException exc) {
}
}
}
return rend;
}
};

// t1.getColumnModel().getColumn(0).setCellEditor(new CheckBoxCellEditor());
// t1.getColumnModel().getColumn(0).setCellRenderer(new CWCheckBoxRenderer());*

return t1;
}

 @SuppressWarnings("empty-statement")