Discussion :

[didaw]

Bonjour,

J'ai creé une JTable à l'aide d'un TableModel, j'arrive à edité dans une cellule mais le probléme c'est que dès que change de cellule le text dispparait. Pouvez vous m'aider s'il vous plait?
voilà la classe du model :

Code :

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public class ParamVolTableModel extends AbstractTableModel {
 
  private final Map fields = new HashMap();
  private final List points = new ArrayList();
  private List cache = new ArrayList();
  private final List listeners = new ArrayList();
  private boolean modifyModel = false;
  private final JFileChooser fileChooser = new JFileChooser();
  private boolean enable = true;
 
  public ParamVolTableModel() {
    this.fields.put(new Integer(0), "days");
    this.fields.put(new Integer(1), "values");
 
  }
 
  public int getColumnCount() {
    return this.fields.size();
  }
 
  public int getRowCount() {
    return this.cache.size();
  }
 
  public boolean isCellEditable(int row, int col) {
    return this.enable;
  }
 
  public Class getColumnClass(int col) {
    return String.class;
  }
 
 public Object getValueAt(int row, int col) {
    VolParam point = (VolParam) this.cache.get(row);
    switch (col) {
    case 0:
      return new Double(point.getDay());
    case 1:
    	new Double(point.getValue());
 
    default:
 
      return null;
    }
  }
 
  public void setValueAt(Object obj, int row, int col) {
    this.modifyModel = true;
    VolParam point = (VolParam) this.cache.get(row);
    try {
      switch (col) {
      case 0:
    	  point.setDay(Double.parseDouble(obj.toString()));
        break;
      case 1:
        point.setValue(Double.parseDouble(obj.toString()));
        break;
      default:
 
      }
      point.setModified(true);
 
      //nothing todo
    } catch (NumberFormatException e) {
      //nothing todo
    }
  }
 
  public String getColumnName(int index) {
    return this.fields.get(new Integer(index)).toString();
  }
 
 
  public void clearData() {
    this.cache.clear();
    this.fireTableChanged(new TableModelEvent(this));
  }
 
  public void removeRows(int[] index) {
    List purge = new ArrayList();
    for (int i = 0; i < index.length; ++i) {
      this.modifyModel = true;
 
      if (this.cache.size() >= index[i] && index[i] >= 0) {
        purge.add(this.cache.get(index[i]));
      } else {
 
      }
    }
    this.cache.removeAll(purge);
    this.fireTableChanged(new TableModelEvent(this));
  }
 
  public void addEmptyRow() {
    this.cache.add(new VolParam());
    this.modifyModel = true;
    this.fireTableChanged(new TableModelEvent(this));
  }
 
  public void addTableModelListener(TableModelListener listener) {
    if (!this.listeners.contains(listener))
      this.listeners.add(listener);
  }
 
  public void removeTableModelListener(TableModelListener listener) {
    this.listeners.remove(listener);
  }
 
  public void fireTableChanged(TableModelEvent evt) {
    Iterator it = this.listeners.iterator();
    while (it.hasNext())
      ((TableModelListener) it.next()).tableChanged(evt);
  }
 
  public void commit() {
    if (this.modifyModel) {
 
      this.copy(this.cache, this.points);
      this.fireTableChanged(new TableModelEvent(this));
      this.modifyModel = false;
      return;
    }
 
  }
 
  public void rollback() {
    if (this.modifyModel) {
 
      this.copy(this.points, this.cache);
      this.modifyModel = false;
      this.fireTableChanged(new TableModelEvent(this));
      return;
    }
 
  }
 
  public boolean isCommited() {
    return !this.modifyModel;
  }
 
  private void copy(List source, List destination) {
    Iterator it = source.iterator();
    destination.clear();
    while (it.hasNext()) {
      VolParam point = (VolParam) it.next();
      point.setModified(false);
      destination.add(point.clone());
    }
  }
 
  public void save(File file) throws Exception {
    String fileName = file.getAbsolutePath();
 
 
    file = new File(fileName);
 
    XMLEncoder encoder = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(file)));
    encoder.writeObject(this.points);
    encoder.close();
  }
 
  public void load(File file) throws Exception {
    XMLDecoder decoder = new XMLDecoder(new BufferedInputStream(new FileInputStream(file)));
    this.cache = (List) decoder.readObject();
    this.fireTableChanged(new TableModelEvent(this));
    this.modifyModel = true;
  }
 
  public JFileChooser getFileChooser() {
    return this.fileChooser;
  }
 
  public boolean isEnable() {
    return this.enable;
  }
 
  public void setEnable(boolean enable) {
    this.enable = enable;
  }
 
  public boolean isModified(int row, int col) {
    VolParam point = (VolParam) this.cache.get(row);
    return point.isModified();
  }
 
}

[sinok]

http://swervespot.org/home/node/22