package genius.gui.uncertainty;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.util.Hashtable;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import genius.gui.panels.LabelAndComponent;

public class PerturbationPanel extends JPanel{

	private PerturbationModel model;
	private LabelAndComponent panel;
	private JSlider slider;
	private JLabel perturbationLabel = new JLabel("0");


	public PerturbationPanel(PerturbationModel model) {
		this.model = model;
		setLayout(new BorderLayout());
		slider = createSlider();
		LabelAndComponent sliderPanel = new LabelAndComponent("Set Perturbation", slider);
		JPanel centerPanel = new JPanel();
		centerPanel.add(sliderPanel,BorderLayout.CENTER);
		centerPanel.add(perturbationLabel,BorderLayout.EAST);
		add(centerPanel,BorderLayout.CENTER);
		this.setVisible(true);
	}

	private JSlider createSlider() {
		slider = new JSlider(JSlider.HORIZONTAL,0,100,1);
		slider.setMajorTickSpacing( 1 );		
		slider.setMinorTickSpacing( 2 );		
		Hashtable<Integer, JLabel> sliderLabelsTable = new Hashtable<Integer, JLabel>();
		sliderLabelsTable.put( 0 , new JLabel("0") );
		sliderLabelsTable.put( 2 , new JLabel("0.2") );
		sliderLabelsTable.put( 4 , new JLabel("0.4") );
		sliderLabelsTable.put( 6 , new JLabel("0.6") );
		sliderLabelsTable.put( 8 , new JLabel("0.8") );
		sliderLabelsTable.put( 10 , new JLabel("1") );
	    slider.setPreferredSize(new Dimension(200, 200)); 
	    
	    slider.addChangeListener(new ChangeListener() {
			@Override
			public void stateChanged(ChangeEvent e) {
					perturbationLabel.setText(String.valueOf((double) slider.getValue() / 100));
					model.getPerturbationBox().setText(perturbationLabel.getText());
			}			
		});		
		return slider;
	}

	public LabelAndComponent getPanel() {
		return panel;
	}

	public JSlider getSlider() {
		return slider;
	}


	
}