package vue;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import java.util.Observable;
import java.util.Observer;

import modele.Temperature;

public class Celsius extends JFrame implements Observer, ActionListener{

	JFrame fenetre;
	JLabel label = new JLabel();
	JPanel panel = new JPanel();
    JButton plus;
    JButton moins;

	public Celsius(final Temperature t)
	{
		fenetre = new JFrame();
		fenetre.setTitle("Celsius");
		fenetre.setSize(400, 200);


        plus = new JButton("+");
        moins = new JButton("-");

        plus.setPreferredSize(new Dimension(50, 25));
        moins.setPreferredSize(new Dimension(50, 25));

        plus.addActionListener (this);
        moins.addActionListener(this);

	    plus.addChangeListener(new ChangeListener()
	    {
	      public void stateChanged(ChangeEvent e)
	      {
	    	  if (plus.getModel().isPressed())
	    	  {
	    		  t.setDegreC(t.getDegreC()+1);
	    		  t.setChanged();
	    	  }
	      }
	    });

	    moins.addChangeListener(new ChangeListener()
	    {
		      public void stateChanged(ChangeEvent e)
		      {
		    	  if (moins.getModel().isPressed())
		    	  {
		    		  t.setDegreC(t.getDegreC()-1);
		    		  t.setChanged();
		    	  }
		      }
		    });

	    panel.add(plus);
        panel.add(moins);

		label.setVisible(true);
		fenetre.add(panel,"North");
		fenetre.add(label,"Center");
		fenetre.setVisible(true);
	}

	@Override
	public void update(Observable t, Object arg1)
	{
		label.setText(String.valueOf(((Temperature) t).getDegreC()));
	}

	@Override
	public void actionPerformed(ActionEvent e) {}
}