annealingpanel.java

eclispse下运行 模拟退火算法的java源代码

package org.theblueplanet.annealing.ui;

import java.awt.BorderLayout;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;

import org.theblueplanet.annealing.AnnealingScheme;

/**
 *  This JSplitPane displays initial offset parameters on the left
 *  (through the OffsetChooser) and the temperature schedule on the
 *  right ( through the SliderPanel and the Summarypanel).
 *
 * @see org.theblueplanet.annealing.ui.OffsetChooser
 * @see org.theblueplanet.annealing.ui.SliderPanel
 * @see org.theblueplanet.annealing.ui.SummaryPanel
 *
 * @author     Charles M間nin
 * @since    October 29, 2001
 * @version    1.0
 */
public class AnnealingPanel extends JSplitPane {
    private SliderPanel sliderPanel;
    private OffsetChooser offsetChooser;
    private SummaryPanel summaryPanel;
    private JPanel rightPanel;
    private JScrollPane scrollPane;
    private static final int topBorderPadding    = 5;
    private static final int leftBorderPadding   = 5;
    private static final int bottomBorderPadding = 5;
    private static final int rightBorderPadding  = 5;
    private static final int DIVIDER_LOCATION    = 175;

    /**
     *  Constructor for the AnnealingPanel object
     *
     * @param  scheme  The Object that encapsulates the annealing parameters
     */
    public AnnealingPanel(AnnealingScheme scheme) {
        super(JSplitPane.HORIZONTAL_SPLIT);
        init(scheme);
        display();
    }

    /**
     *  Sets layout & initial parameters.
     *
     * @param  scheme  The Object that encapsulates the annealing parameters
     */
    private void init(AnnealingScheme scheme) {
        this.setOneTouchExpandable(true);
        this.setDividerLocation(DIVIDER_LOCATION);
        try {
            offsetChooser = new OffsetChooser(scheme);
            scrollPane    = new JScrollPane(offsetChooser);
            scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
            scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
            rightPanel   = new JPanel(new BorderLayout());
            sliderPanel  = new SliderPanel(this, scheme);
            summaryPanel = new SummaryPanel(scheme);
            rightPanel.add(sliderPanel, BorderLayout.CENTER);
            rightPanel.add(summaryPanel, BorderLayout.SOUTH);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    protected void refresh(AnnealingScheme scheme) {
        offsetChooser.refresh(scheme);
        display();
    }

    private void display() {
        this.setTopComponent(scrollPane);
        this.setBottomComponent(rightPanel);
    }

    /**
     *  Resets the SummaryPanel
     *
     * @param  scheme  The Object that encapsulates the annealing parameters
     */
    public void updateSummaryPanel(AnnealingScheme scheme) {
        this.remove(rightPanel);
        this.setDividerLocation(DIVIDER_LOCATION);
        rightPanel = new JPanel(new BorderLayout());
        rightPanel.add(sliderPanel, BorderLayout.CENTER);
        summaryPanel = new SummaryPanel(scheme);
        rightPanel.add(summaryPanel, BorderLayout.SOUTH);
        this.setBottomComponent(rightPanel);
    }

}