// BlogBridge -- RSS feed reader, manager, and web based service
// Copyright (C) 2002-2006 by R. Pito Salas
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software Foundation;
// either version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with this program;
// if not, write to the Free Software Foundation, Inc., 59 Temple Place,
// Suite 330, Boston, MA 02111-1307 USA
//
// Contact: R. Pito Salas
// mailto:pitosalas@users.sourceforge.net
// More information: about BlogBridge
// http://www.blogbridge.com
// http://sourceforge.net/projects/blogbridge
//
// $Id: PackagesTableModel.java,v 1.3 2006/01/08 04:57:14 kyank Exp $
//
package com.salas.bb.updates.ui;
import com.salas.bb.updates.Location;
import javax.swing.table.DefaultTableModel;
import java.util.List;
import java.util.ArrayList;
/**
* Model for table of available package locations.
*/
public class PackagesTableModel extends DefaultTableModel
{
private static final Class[] CLASSES = new Class[] { Boolean.class, String.class };
private Location[] locations;
private List selectedLocations;
/**
* Creates model for available locations.
*/
public PackagesTableModel(Location[] aLocations)
{
locations = aLocations;
selectedLocations = new ArrayList(locations.length);
}
/**
* Returns the list of currently selected package locations.
*
* @return the list of currently selected package locations.
*/
public Location[] getSelectedLocations()
{
return (Location[])selectedLocations.toArray(new Location[0]);
}
/**
* Returns the number of columns in this data table.
*
* @return the number of columns in the model
*/
public int getColumnCount()
{
return 2;
}
/**
* Returns the column name.
*
* @return a name for this column using the string value of the appropriate member in
* <code>columnIdentifiers</code>. If <code>columnIdentifiers</code> does not have an
* entry for this index, returns the default name provided by the superclass
*/
public String getColumnName(int column)
{
return "";
}
/**
* Returns the number of rows in this data table.
*
* @return the number of rows in the model
*/
public int getRowCount()
{
return locations == null ? 0 : locations.length;
}
/**
* Returns an attribute value for the cell at <code>row</code> and <code>column</code>.
*
* @param row the row whose value is to be queried
* @param column the column whose value is to be queried
*
* @return the value Object at the specified cell
*
* @throws ArrayIndexOutOfBoundsException if an invalid row or column was given
*/
public Object getValueAt(int row, int column)
{
Location location = locations[row];
Object value;
switch (column)
{
case 0:
value = Boolean.valueOf(selectedLocations.contains(location));
break;
case 1:
value = location.getDescription();
break;
default:
value = null;
}
return value;
}
/**
* Returns <code>Object.class</code> regardless of <code>columnIndex</code>.
*
* @param columnIndex the column being queried
*
* @return the Object.class
*/
public Class getColumnClass(int columnIndex)
{
return CLASSES[columnIndex];
}
/**
* Returns true if cell is editable.
*
* @param row the row whose value is to be queried
* @param column the column whose value is to be queried
*
* @return <code>TRUE</code> for checkmark column.
*
* @see #setValueAt
*/
public boolean isCellEditable(int row, int column)
{
return column == 0;
}
/**
* Sets the object value for the cell at <code>column</code> and <code>row</code>.
* <code>aValue</code> is the new value. This method will generate a <code>tableChanged</code>
* notification.
*
* @param aValue the new value; this can be null
* @param row the row whose value is to be changed
* @param column the column whose value is to be changed
*
* @throws ArrayIndexOutOfBoundsException if an invalid row or column was given
*/
public void setValueAt(Object aValue, int row, int column)
{
boolean add = ((Boolean)aValue).booleanValue();
Location location = locations[row];
if (add)
{
selectPackage(location);
} else
{
selectedLocations.remove(location);
}
fireTableCellUpdated(row, column);
}
/**
* Selects package if it isn't selected yet.
*
* @param packageLocation package location.
*/
public void selectPackage(Location packageLocation)
{
if (!selectedLocations.contains(packageLocation)) selectedLocations.add(packageLocation);
}
}