/* * @(#)CtlSigDisplay.java	1.5 98/05/29 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.Color;import java.awt.FlowLayout;import java.awt.event.MouseListener;import java.awt.event.MouseEvent;import javax.comm.SerialPort;public class CtlSigDisplay extends Panel{	SerialPort	port = null;	ToggleLabel	RTSLabel,			DTRLabel,			OELabel,			FELabel,			PELabel,			BILabel;	Label		CTSLabel,			DSRLabel,			RILabel,			CDLabel,			DALabel,			BELabel;	boolean		DA,			BE;	private Color	onColor,			offColor;	public CtlSigDisplay(SerialPort	port)	{		super();		this.setPort(port);		this.setLayout(new FlowLayout());		RTSLabel = new ToggleLabel("RTS");		RTSLabel.addMouseListener(new ToggleMouseListener(this));		this.add(RTSLabel);		CTSLabel = new Label("CTS");		this.add(CTSLabel);		DTRLabel = new ToggleLabel("DTR");		DTRLabel.addMouseListener(new ToggleMouseListener(this));		this.add(DTRLabel);		DSRLabel = new Label("DSR");		this.add(DSRLabel);		RILabel = new Label("RI");		this.add(RILabel);		CDLabel = new Label("CD");		this.add(CDLabel);		OELabel = new ToggleLabel("OE");		OELabel.addMouseListener(new OneWayMouseListener(this));		this.add(OELabel);		FELabel = new ToggleLabel("FE");		FELabel.addMouseListener(new OneWayMouseListener(this));		this.add(FELabel);		PELabel = new ToggleLabel("PE");		PELabel.addMouseListener(new OneWayMouseListener(this));		this.add(PELabel);		BILabel = new ToggleLabel("BI");		BILabel.addMouseListener(new OneWayMouseListener(this));		this.add(BILabel);		DALabel = new Label("DA");		this.add(DALabel);		DA = false;		BELabel = new Label("BE");		this.add(BELabel);		BE = true;		onColor = Color.green;		offColor = Color.black;	}	public void setPort(SerialPort	port)	{		this.port = port;	}	public void showValues()	{		if (this.port != null)		{			/*			 *  Get the state of the control signals for this port			 */				RTSLabel.setState(port.isRTS());			CTSLabel.setForeground(port.isCTS()						 ? onColor : offColor);				DTRLabel.setState(port.isDTR());			DSRLabel.setForeground(port.isDSR()						 ? onColor : offColor);				RILabel.setForeground(port.isRI() ? onColor : offColor);			CDLabel.setForeground(port.isCD() ? onColor : offColor);		}	}	public void showErrorValues()	{		if (this.port != null)		{			/*			 *  Get the state of the error conditions for this port			 */				OELabel.setForeground(OELabel.getState()						 ? onColor : offColor);			FELabel.setForeground(FELabel.getState()						 ? onColor : offColor);			PELabel.setForeground(PELabel.getState()						 ? onColor : offColor);			BILabel.setForeground(BILabel.getState()						 ? onColor : offColor);			DALabel.setForeground(DA ? onColor : offColor);			BELabel.setForeground(BE ? onColor : offColor);		}	}	public void clearValues()	{		RTSLabel.setState(false);		CTSLabel.setForeground(offColor);		DTRLabel.setState(false);		DSRLabel.setForeground(offColor);		RILabel.setForeground(offColor);		CDLabel.setForeground(offColor);	}	public void clearErrorValues()	{		OELabel.setForeground(offColor);		FELabel.setForeground(offColor);		PELabel.setForeground(offColor);		BILabel.setForeground(offColor);		DALabel.setForeground(offColor);		BELabel.setForeground(offColor);	}}class ToggleMouseListener implements MouseListener{	CtlSigDisplay	owner;	public ToggleMouseListener(CtlSigDisplay	owner)	{		super();		this.owner = owner;	}	public void mouseClicked(MouseEvent e)	{	}	public void mouseEntered(MouseEvent e)	{	}	public void mouseExited(MouseEvent e)	{	}	public void mousePressed(MouseEvent e)	{		ToggleLabel	label = (ToggleLabel) e.getComponent();		if (this.owner.port != null)		{			/*			 *  Toggle the state of the control signal			 */				label.setState(!label.getState());				if (label == this.owner.RTSLabel)			{				this.owner.port.setRTS(label.getState());				label.setState(this.owner.port.isRTS());			}				else if (label == this.owner.DTRLabel)			{				this.owner.port.setDTR(label.getState());				label.setState(this.owner.port.isDTR());			}		}	}	public void mouseReleased(MouseEvent e)	{	}}class OneWayMouseListener implements MouseListener{	CtlSigDisplay	owner;	public OneWayMouseListener(CtlSigDisplay	owner)	{		super();		this.owner = owner;	}	public void mouseClicked(MouseEvent e)	{	}	public void mouseEntered(MouseEvent e)	{	}	public void mouseExited(MouseEvent e)	{	}	public void mousePressed(MouseEvent e)	{		ToggleLabel	label = (ToggleLabel) e.getComponent();		label.setState(false);	}	public void mouseReleased(MouseEvent e)	{	}}