resultpane.java

JAVA图形界面算平均值 方差 简单的JTREE是应用

package gui;
import java.awt.GridLayout;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import model.Datenmodell;
import model.ValueChangeListener;
import model.ValueEvent;


public class ResultPane extends JPanel{
	/**
	 * 
	 */
	private static final long serialVersionUID = -3652453185784240353L;
	private JLabel mean=new JLabel("Mean:");
	private JLabel std=new JLabel("Std.Deviation:");
	private JTextField tMean=new JTextField();
	private JTextField tStd=new JTextField();
	private Datenmodell model;
	public ResultPane(Datenmodell model){
		super();
		this.model=model;
		model.addValuesChangeListener(valuesChangeListener);
		setName("Result");
//		setSize(400,100);
		setBorder(BorderFactory.createEtchedBorder()); 
		setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
		init();
	}
	private void init(){
		setLayout(new GridLayout(2,2,10,10));
		add(mean);
		add(tMean);
		add(std);
		add(tStd);
	}
	private void reset(){
		tMean.setText(String.valueOf(model.getMean()));
		tStd.setText(String.valueOf(model.getStdDeviation()));
	}
	private ValueChangeListener valuesChangeListener = new ValueChangeListener() {
		/*
		 * (non-Javadoc)
		 * @see points.model.PointsChangeListener#pointsChanged(points.model.PointsEvent)
		 */
		public void valuesChanged(ValueEvent evt) {
			reset();
		}

		/*
		 * (non-Javadoc)
		 * @see points.model.PointsChangeListener#pointsAdded(points.model.PointsEvent)
		 */
		public void valuesAdded(ValueEvent evt) {
			reset();
		}

		/*
		 * (non-Javadoc)
		 * @see points.model.PointsChangeListener#pointsRemoved(points.model.PointsEvent)
		 */
		public void valuesRemoved(ValueEvent evt) {
			reset();
		}
	};
}