/*
* @(#)LPTMode.java 1.7 00/05/04 SMI
*
* Author: Tom Corson
*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
* 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 declaration
*
*
* @author
* @version 1.7, 05/04/00
*/
class LPTMode extends Choice implements ItemListener {
private ParallelPortDisplay owner;
/**
* Constructor declaration
*
*
* @param owner
*
* @see
*/
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;
}
/**
* Method declaration
*
*
* @see
*/
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");
}
}
/**
* Method declaration
*
*
* @param ev
*
* @see
*/
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();
}
}