mapservospage.java

这是一个以JAVA编写的程序,本人还没有试过,是一个简单的温度控制系统

package net.sf.dz.setup.core;

import java.awt.event.ActionEvent;
import java.io.IOException;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;

import org.freehold.jukebox.logger.Logger;

import org.freehold.servomaster.device.model.Servo;
import org.freehold.servomaster.device.model.ServoController;

import net.sf.dz.util.wizard.DoubleListPanel;
import net.sf.dz.util.wizard.Wizard;
import net.sf.dz.util.wizard.WizardPage;

class MapServosPage extends WizardPage {

    private JList servoList;
    private JList zoneList;
    
    private JButton assignButton;
    private JButton detachButton;
    private JButton testButton;
    
    private DoubleListPanel dlp;
    
    public MapServosPage(Logger logger, Wizard owner) {
    
        super(logger, owner, "Map Servos to Temperature Zones");

        List buttonNames = new LinkedList();
        
        buttonNames.add("Assign >>");
        buttonNames.add("<< Detach");
        buttonNames.add("<separator>");
        buttonNames.add("< Test");
        
        dlp = new DoubleListPanel(getContentPane(), this,
                                  "Servos",
                                  "Temperature Zones",
                                  buttonNames);
        
        assignButton = dlp.getButton(0);
        detachButton = dlp.getButton(1);
        testButton = dlp.getButton(2);
        
        servoList = dlp.leftList;
        zoneList = dlp.rightList;
        
        servoList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        zoneList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        
        assignButton.setEnabled(false);
        detachButton.setEnabled(false);
    }

    public void activate() {

        SortedSet servoSet = getSortedContextValues("servo.");
        SortedSet zoneSet = getSortedContextValues("zone.");
        
        // Take care to preserve existing selection, if any
        
        Object selected = null;
        
        if ( servoList.getSelectedIndex() != -1 ) {
        
            selected = servoList.getSelectedValue();
        }
        
        servoList.setListData(new Vector(servoSet));
        
        if ( selected != null ) {
        
            servoList.setSelectedValue(selected, true);

        } else if ( !servoSet.isEmpty() ) {
        
            servoList.setSelectedIndex(0);
        }
        
        if ( zoneList.getSelectedIndex() != -1 ) {
        
            selected = zoneList.getSelectedValue();
        }
        
        zoneList.setListData(new Vector(zoneSet));
        
        if ( selected != null ) {
        
            zoneList.setSelectedValue(selected, true);

        } else if ( !zoneSet.isEmpty() ) {
        
            zoneList.setSelectedIndex(0);
        }
        
    }
    
    public String validate() {
    
        if ( !isVisible() ) {
        
            return "";
        }
    
        ServoDescriptor sd = null;
        ZoneDescriptor zd = null;

        if (servoList.getSelectedIndex() != -1) {
        
            sd =  (ServoDescriptor)servoList.getSelectedValue();
        }
        
        if (zoneList.getSelectedIndex() != -1) {
        
            zd = (ZoneDescriptor)zoneList.getSelectedValue();
        }
        
        assignButton.setEnabled(sd != null && zd != null
                             && sd.zone == null && zd.servo == null);
        detachButton.setEnabled(zd != null && zd.servo != null);
        testButton.setEnabled(sd != null);

        return "";
    }
    
    public boolean isEnabled() {
    
        return true;
    }
    
    public String getHelpURL() {
    
        return "FIXME";
    }
    
    public void actionPerformed2(ActionEvent e) {
        
        Object source = e.getSource();
        ServoDescriptor sd = (ServoDescriptor)servoList.getSelectedValue();
        ZoneDescriptor zd = (ZoneDescriptor)zoneList.getSelectedValue();
        
        if ( assignButton == source ) {
        
            sd.zone = zd;
            zd.servo = sd;
        
        } else if ( detachButton == source ) {
        
            zd.servo.zone = null;
            zd.servo = null;

        } else if ( testButton == source ) {
        
            try {
            
                sd.servo.setPosition(0);
                Thread.sleep(800);
                sd.servo.setPosition(1);
                Thread.sleep(800);
                sd.servo.setPosition(0.5);
                
            } catch ( Throwable t ) {
            
                complain(LOG_ERR, CH_WP, "Failed to test servo:", t);
            }
        }
        
        servoList.validate();
        zoneList.validate();
        
        servoList.repaint();
        zoneList.repaint();
    
    }
    
    public void valueChanged2(ListSelectionEvent e) {
    
    }
}