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package itunes.client.swing;
/**
* In a chain of data manipulators some behaviour is common. TableMap
* provides most of this behavour and can be subclassed by filters
* that only need to override a handful of specific methods. TableMap
* implements TableModel by routing all requests to its model, and
* TableModelListener by routing all events to its listeners. Inserting
* a TableMap which has not been subclassed into a chain of table filters
* should have no effect.
*
* @version 1.4 12/17/97
* @author Philip Milne */
import javax.swing.table.*;
import javax.swing.event.TableModelListener;
import javax.swing.event.TableModelEvent;
public class TableMap extends AbstractTableModel
implements TableModelListener {
protected TableModel model;
public TableModel getModel() {
return model;
}
public void setModel(TableModel model) {
this.model = model;
model.addTableModelListener(this);
}
// By default, implement TableModel by forwarding all messages
// to the model.
public Object getValueAt(int aRow, int aColumn) {
return model.getValueAt(aRow, aColumn);
}
public void setValueAt(Object aValue, int aRow, int aColumn) {
model.setValueAt(aValue, aRow, aColumn);
}
public int getRowCount() {
return (model == null) ? 0 : model.getRowCount();
}
public int getColumnCount() {
return (model == null) ? 0 : model.getColumnCount();
}
public String getColumnName(int aColumn) {
return model.getColumnName(aColumn);
}
public Class getColumnClass(int aColumn) {
return model.getColumnClass(aColumn);
}
public boolean isCellEditable(int row, int column) {
return model.isCellEditable(row, column);
}
//
// Implementation of the TableModelListener interface,
//
// By default forward all events to all the listeners.
public void tableChanged(TableModelEvent e) {
fireTableChanged(e);
}
}
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