import java.awt.EventQueue;
import java.awt.Toolkit;

import javax.swing.JFrame;
import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.forms.layout.ColumnSpec;
import com.jgoodies.forms.layout.RowSpec;
import javax.swing.JTextField;
import javax.swing.JLabel;
import java.awt.Font;
import javax.swing.SwingConstants;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;


public class tempgauge {

	private JFrame frame;
	private JTextField textField;
	private JTextField textField_1;
	private JTextField textField_2;
	private JLabel lblF;
	private JLabel lblCelsiusc;
	private JLabel lblKelvink;
	private JLabel label;

	public float trycatch(String str)
	{

		float x=0;

		try{
		x=Float.parseFloat(str);
		}
		catch(Exception er)
		{
			label.setText("Error in Input taking 0 as default");
			Toolkit.getDefaultToolkit().beep();
		}

		return x;

	};

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					tempgauge window = new tempgauge();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public tempgauge() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);

		textField = new JTextField();
		textField_1 = new JTextField();
		textField_2 = new JTextField();


	    textField.addKeyListener(new KeyAdapter()
	    {
	      public void keyPressed(KeyEvent e)
	      {
	        if (e.getKeyCode() == KeyEvent.VK_ENTER)
	        {
	        	label.setText("");
	        	String out;
	          String str=textField.getText();
	          float temp=trycatch(str);

	          float cel=((temp)-32)*5/9;


	          out=String.valueOf(cel);
	          textField_2.setText(out);

	          float  kel=(temp-32)*5/9+273.15f;
	          out=String.valueOf(kel);
	          textField_1.setText(out);


	        }
	      }
	    });
		textField.setBounds(10, 100, 86, 20);
		frame.getContentPane().add(textField);
		textField.setColumns(10);







		textField_1.setBounds(338, 100, 86, 20);
		frame.getContentPane().add(textField_1);
		textField_1.setColumns(10);

		 textField_1.addKeyListener(new KeyAdapter()
		    {
		      public void keyPressed(KeyEvent e)
		      {
		        if (e.getKeyCode() == KeyEvent.VK_ENTER)
		        {
		        	label.setText("");
		        	String out;
		          String str=textField_1.getText();
		          float temp=trycatch(str);


		          float far=(temp - 273.15f) * 9/5 + 32;
		          out=String.valueOf(far);
		          textField.setText(out);


		          float cel=temp - 273.15f;
		          out=String.valueOf(cel);
		          textField_2.setText(out);


		        }
		      }
		    });






		textField_2.setBounds(170, 100, 86, 20);
		frame.getContentPane().add(textField_2);
		textField_2.setColumns(10);

		 textField_2.addKeyListener(new KeyAdapter()
		    {
		      public void keyPressed(KeyEvent e)
		      {
		        if (e.getKeyCode() == KeyEvent.VK_ENTER)
		        {
		        	label.setText("");
		        	String out;
		          String str=textField_2.getText();
		          float temp=trycatch(str);


		          float far=(temp * 9/5) + 32;
		          out=String.valueOf(far);
		          textField.setText(out);


		          float kel=temp + 273.15f;
		          out=String.valueOf(kel);
		          textField_1.setText(out);


		        }
		      }
		    });




		lblF = new JLabel("Fahrenheit (F)");
		lblF.setHorizontalAlignment(SwingConstants.CENTER);
		lblF.setFont(new Font("Tahoma", Font.PLAIN, 13));
		lblF.setBounds(10, 58, 86, 31);
		frame.getContentPane().add(lblF);

		lblCelsiusc = new JLabel("Celsius (C)");
		lblCelsiusc.setHorizontalAlignment(SwingConstants.CENTER);
		lblCelsiusc.setFont(new Font("Tahoma", Font.PLAIN, 13));
		lblCelsiusc.setBounds(170, 58, 86, 31);
		frame.getContentPane().add(lblCelsiusc);

		lblKelvink = new JLabel("Kelvin (K)");
		lblKelvink.setHorizontalAlignment(SwingConstants.CENTER);
		lblKelvink.setFont(new Font("Tahoma", Font.PLAIN, 13));
		lblKelvink.setBounds(338, 58, 86, 31);
		frame.getContentPane().add(lblKelvink);

		label = new JLabel("");
		label.setHorizontalAlignment(SwingConstants.CENTER);
		label.setFont(new Font("Tahoma", Font.PLAIN, 13));
		label.setBounds(10, 181, 414, 31);
		frame.getContentPane().add(label);
	}
}