llvm-gcc-4.0/libjava/javax/swing/table/AbstractTableModel.java

/* AbstractTableModel.java --
   Copyright (C) 2002, 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

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General Public License for more details.

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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

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making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package javax.swing.table;

import java.io.Serializable;
import java.util.EventListener;

import javax.swing.event.EventListenerList;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;

/**
 * AbstractTableModel
 * 
 * @author Andrew Selkirk
 */
public abstract class AbstractTableModel implements TableModel, Serializable
{
  static final long serialVersionUID = -5798593159423650347L;

  /**
   * listenerList
   */
  protected EventListenerList listenerList = new EventListenerList();

  /**
   * Constructor AbstractTableModel
   */
  public AbstractTableModel()
  {
    // TODO
  }

  /**
   * Get the name of the column for this index. If you do not override
   * this methode, you'll get something like: 0, A; 1, B; ...; AA; AB;
   * ...
   *
   * @param columnIndex The index of the column.
   *
   * @return The name of the column.
   */
  public String getColumnName (int columnIndex)
  {
    int index = columnIndex + 1;
    StringBuffer buffer = new StringBuffer();

    while (index > 0)
      {
	buffer.insert (0, (char) ('A' + ((index - 1) % 26)));
	index = (index - 1) / 26;
      }
    
    // Return column name.
    return buffer.toString();
  }

  /**
   * Return the index of the given name.
   *
   * @param columnName The name of the column.
   *
   * @return The index of the column, -1 if not found.
   */
  public int findColumn (String columnName)
  {
    int count = getColumnCount();
    
    for (int index = 0; index < count; index++)
      {
        String name = getColumnName (index);
        
        if (name.equals (columnName))
          return index;
    }

    // Unable to locate.
    return -1;
  }

  /**
   * Returns the class of a comlumn.
   *
   * @param columnIndex The index of the column.
   *
   * @return The class type of the column.
   */
  public Class getColumnClass (int columnIndex)
  {
    return Object.class;
  }

  /**
   * Tells whether a cell is editable.
   *
   * @param rowIndex The row of the cell.
   * @param columnIndex The index of the cell.
   *
   * @return True if cell is editable.
   */
  public boolean isCellEditable (int rowIndex, int columnIndex)
  {
    return false;
  }

  /**
   * Sets a cell to a value.
   *
   * @param value New value of cell.
   * @param rowIndex The row of the cell.
   * @param columnIndex The column of the cell.
   */
  public void setValueAt (Object value, int rowIndex, int columnIndex)
  {
    // Do nothing...
  }

  /**
   * Add a TableModelListener.
   *
   * @param listener The listener to add.
   */
  public void addTableModelListener (TableModelListener listener)
  {
    listenerList.add (TableModelListener.class, listener);
  }

  /**
   * Removes a TableModelListener.
   *
   * @param listener The listener to remove.
   */
  public void removeTableModelListener (TableModelListener listener)
  {
    listenerList.remove (TableModelListener.class, listener);
  }

  /**
   * Return all registered TableModelListener objects.
   *
   * @return Array of TableModelListener objects.
   *
   * @since 1.4
   */
  public TableModelListener[] getTableModelListeners()
  {
    return (TableModelListener[])
      listenerList.getListeners (TableModelListener.class);
  }

  /**
   * fireTableDataChanged
   */
  public void fireTableDataChanged()
  {
    fireTableChanged (new TableModelEvent (this));
  }

  /**
   * fireTableStructureChanged
   */
  public void fireTableStructureChanged()
  {
    fireTableChanged (new TableModelEvent (this, TableModelEvent.HEADER_ROW));
  }

  /**
   * fireTableRowsInserted
   * @param value0 TODO
   * @param value1 TODO
   */
  public void fireTableRowsInserted (int firstRow, int lastRow)
  {
    fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
                                           TableModelEvent.ALL_COLUMNS,
                                           TableModelEvent.INSERT));
  }

  /**
   * fireTableRowsUpdated
   * @param value0 TODO
   * @param value1 TODO
   */
  public void fireTableRowsUpdated (int firstRow, int lastRow)
  {
    fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
                                           TableModelEvent.ALL_COLUMNS,
                                           TableModelEvent.UPDATE));
  }

  /**
   * fireTableRowsDeleted
   * @param value0 TODO
   * @param value1 TODO
   */
  public void fireTableRowsDeleted(int firstRow, int lastRow)
  {
    fireTableChanged (new TableModelEvent (this, firstRow, lastRow,
                                           TableModelEvent.ALL_COLUMNS,
                                           TableModelEvent.DELETE));
  }

  /**
   * fireTableCellUpdated
   * @param value0 TODO
   * @param value1 TODO
   */
  public void fireTableCellUpdated (int row, int column)
  {
    fireTableChanged (new TableModelEvent (this, row, row, column));
  }

  /**
   * fireTableChanged
   * @param value0 TODO
   */
  public void fireTableChanged (TableModelEvent event)
  {
    int	index;
    TableModelListener listener;
    Object[] list = listenerList.getListenerList();
 
    for (index = 0; index < list.length; index += 2)
      {
        listener = (TableModelListener) list [index + 1];
        listener.tableChanged (event);
      }
  }

  /**
   * getListeners
   * @param value0 TODO
   * @return EventListener[]
   */
  public EventListener[] getListeners (Class listenerType)
  {
    return listenerList.getListeners (listenerType);
  }
}