/* * @(#)ReceiveThreshold.java	1.4 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.Panel;import java.awt.Label;import java.awt.TextField;import java.awt.BorderLayout;import java.awt.event.MouseListener;import java.awt.event.MouseEvent;import java.awt.event.ActionListener;import java.awt.event.ActionEvent;import javax.comm.SerialPort;import javax.comm.UnsupportedCommOperationException;public class ReceiveThreshold extends Panel implements MouseListener, ActionListener{	private int		value,				defaultValue;	private Label		label;	private TextField	data;	private SerialPort	port = null;	private boolean		inputBuffer;	public ReceiveThreshold(int		size,			        SerialPort	port)	{		super();		this.setPort(port);		this.inputBuffer = inputBuffer;		this.setLayout(new BorderLayout());		this.label = new Label("Threshold");		this.label.addMouseListener(this);		this.add("West", this.label);		this.data = new TextField(new Integer(defaultValue).toString(), 					     size);		this.data.addActionListener(this);		this.add("East", this.data);		this.showValue();		this.defaultValue = this.value;	}	public void setPort(SerialPort	port)	{		this.port = port;	}	public int getValue()	{		/*		 *  Get the current threshold.		 */		if ((port != null) && port.isReceiveThresholdEnabled())		{			this.value = port.getReceiveThreshold();		}		else		{			this.value = 0;		}		return this.value;	}	public void showValue()	{		this.data.setText(new Integer(this.getValue()).toString());	}	public void setValue(int	val)	{		/*		 *  Set the new threshold.		 */		if (port != null)		{			if (val > 0)			{			    try {				port.enableReceiveThreshold(val);			    } catch (UnsupportedCommOperationException ucoe) {				ucoe.printStackTrace();			    }			}				else			{				port.disableReceiveThreshold();			}		}		this.showValue();	}	public void setDefaultValue(int	val)	{		this.defaultValue = val;	}	public void actionPerformed(ActionEvent e)	{		String	s = e.getActionCommand();		try		{			Integer	newValue = new Integer(s);				this.setValue(newValue.intValue());		}		catch (NumberFormatException ex)		{			System.out.println("Bad value = "					  + e.getActionCommand());			this.showValue();		}	}	public void mouseClicked(MouseEvent e)	{	}	public void mouseEntered(MouseEvent e)	{	}	public void mouseExited(MouseEvent e)	{	}	public void mousePressed(MouseEvent e)	{		this.setValue(this.defaultValue);	}	public void mouseReleased(MouseEvent e)	{	}}