import javax.swing.*;
import java.awt.*;

//import AWTBPEvents.*;
import NonAWTBPEvents.*;

/**
 * This class implements a JPanel that monitors a patient's 
 * blood pressure.  It handles the blood pressure events
 * generated by a patient.
 * 
 * @author Stuart Hansen 
 * @version February 2009
 */
public class BloodPressurePanel extends JPanel implements BloodPressureListener
{
    JLabel systolicLabel;   // label displaying the systolic bp
    JLabel diastolicLabel;  // label displaying the diastolic bp

    // The constructor lays things out in the GUI
    public BloodPressurePanel ()
    {
        systolicLabel = new JLabel();
        systolicLabel.setBounds(20, 20, 250, 30);

        diastolicLabel = new JLabel();
        diastolicLabel.setBounds(20, 60, 250, 30);
        
        setSize(300, 150);
        setPreferredSize(new Dimension(300, 150));
        setLayout(null);
        add(systolicLabel);
        add(diastolicLabel);
    }

    // Set the text in the systolicLabel
    public void setSystolicDisplay (int systolic)
    {
        systolicLabel.setText ("The systolic blood pressure is: " + systolic);
    }

    // Set the text in the diastolicLabel
    public void setDiastolicDisplay (int diastolic)
    {
        diastolicLabel.setText ("The diastolic blood pressure is: " + diastolic);
    }

    // receives the event if the upper value (systolic) changes
    public void systolicChange(BloodPressureEvent e)
    {
        int systolic = e.getValue();
        setSystolicDisplay(systolic);
    }

    // receives the event if the upper value (systolic) changes
    public void diastolicChange(BloodPressureEvent e)
    {
        int diastolic = e.getValue();
        setDiastolicDisplay(diastolic);
    }
    
    // Processes warning events when systolic is too extreme
/*    public void warning (BloodPressureEvent e)
    {
    	Patient patient = (Patient) e.getSource();
    	
    	// This sleep demonstrates what can happen if a handler
    	// runs too long.  The GUI gets bogged down.
    	try {Thread.sleep(10000);} catch (Exception ex){};
    	JOptionPane.showMessageDialog(
    			null, 
    			"WARNING! Patient "  + patient.getName() +
    			" has systolic pressure of: " + e.getValue());
    }*/
    
    // Processes warning events in a new thread
    public void warning (BloodPressureEvent e)
    {
        new Thread(new Warner(e)).start();
    }
    
    // We use a class implementing the Runnable interface
    // to run the handler code in a new thread
	private class Warner implements Runnable
	{
		BloodPressureEvent e;
		public Warner (BloodPressureEvent e)
		{
			this.e = e;
		}
		
		// The thread's start method calls run
		public void run()
		{
	    	Patient patient = (Patient) e.getSource();
	    	try{Thread.sleep(10000);}catch(Exception ex){};
	    	JOptionPane.showMessageDialog(
	    			null, 
	    			"WARNING! Patient "  + patient.getName() +
	    			" has systolic pressure of: " + e.getValue());    			
		}
	}
}