/*
* @(#)LPTMode.java 1.3 98/07/17 SMI
*
* Author: Tom Corson
*
* Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license
* to use, modify and redistribute this software in source and binary
* code form, provided that i) this copyright notice and license appear
* on all copies of the software; and ii) Licensee does not utilize the
* software in a manner which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
* LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE
* SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS
* BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES,
* HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING
* OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control
* of aircraft, air traffic, aircraft navigation or aircraft
* communications; or in the design, construction, operation or
* maintenance of any nuclear facility. Licensee represents and
* warrants that it will not use or redistribute the Software for such
* purposes.
*/
import java.awt.Choice;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import javax.comm.ParallelPort;
import javax.comm.UnsupportedCommOperationException;
class LPTMode extends Choice implements ItemListener
{
private ParallelPortDisplay owner;
public LPTMode(ParallelPortDisplay owner)
{
super();
this.add("Unknown");
this.add("Any");
this.add("ECP");
this.add("EPP");
this.add("NIBBLE");
this.add("PS2");
this.add("SPP");
this.addItemListener(this);
this.owner = owner;
}
protected void showValue()
{
ParallelPort port = this.owner.port;
if (this.owner.open)
{
/*
* Get the port mode
*/
switch (this.owner.port.getMode())
{
case ParallelPort.LPT_MODE_ANY:
this.select("Any");
break;
case ParallelPort.LPT_MODE_ECP:
this.select("ECP");
break;
case ParallelPort.LPT_MODE_EPP:
this.select("EPP");
break;
case ParallelPort.LPT_MODE_NIBBLE:
this.select("NIBBLE");
break;
case ParallelPort.LPT_MODE_PS2:
this.select("PS2");
break;
case ParallelPort.LPT_MODE_SPP:
this.select("SPP");
break;
default:
this.select("Unknown");
break;
}
}
else
{
this.select("Unknown");
}
}
public void itemStateChanged(ItemEvent ev)
{
ParallelPort port;
String sel = (String) ev.getItem();
int value = 0;
if (sel.equals("Any"))
{
value = ParallelPort.LPT_MODE_ANY;
}
else if (sel.equals("ECP"))
{
value = ParallelPort.LPT_MODE_ECP;
}
else if (sel.equals("EPP"))
{
value = ParallelPort.LPT_MODE_EPP;
}
else if (sel.equals("NIBBLE"))
{
value = ParallelPort.LPT_MODE_NIBBLE;
}
else if (sel.equals("PS2"))
{
value = ParallelPort.LPT_MODE_PS2;
}
else if (sel.equals("SPP"))
{
value = ParallelPort.LPT_MODE_SPP;
}
else
{
this.showValue();
return;
}
port = this.owner.port;
if (port != null)
{
/*
* Set the mode.
*/
try
{
port.setMode(value);
}
catch (UnsupportedCommOperationException e)
{
System.out.println("Cannot set mode to "
+ sel + " for port "
+ port.getName());
}
}
this.owner.showValues();
}
}