Revision 528
Created a branch for wireless development.
branches/wl_dev/code/projects/colonet/client/Colonet.java | ||
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// |
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// Colonet.java |
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// |
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import javax.swing.*; |
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import javax.swing.event.*; |
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import javax.imageio.*; |
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import java.awt.*; |
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import java.awt.image.*; |
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import java.awt.event.*; |
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import java.net.*; |
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import java.io.*; |
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import java.util.*; |
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/** |
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* The Colonet Graphical User Interface Applet for use locally and over an internet connection. |
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* @author Gregory Tress |
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* |
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* To generate javadoc on this file or other java files, use javadoc *.java -d doc, where doc |
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* is the name of the folder into which the files should be written. |
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*/ |
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public class Colonet extends JApplet implements ActionListener, MouseInputListener, KeyListener, Runnable { |
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// Used for images |
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final int CANVAS_SIZE = 500; //the applet may be slow if the canvas gets too large |
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final int BUFFER = 50; |
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final int RADIUS = 30; |
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//Used for the robot controller |
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final int VECTOR_CONTROLLER_HEIGHT = 220; |
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final int VECTOR_CONTROLLER_WIDTH = 350; |
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// Connection |
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JTextField txtHost; |
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JTextField txtPort; |
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JButton btnConnect; |
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JButton btnGetXBeeIDs; |
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JLabel lblConnectionStatus; |
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JTextArea txtMatrix; |
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JTextArea txtInfo; |
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JPanel panelConnect; |
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JPanel panelServerInterface; |
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Socket socket; |
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OutputStreamWriter out; |
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DataUpdater dataUpdater; |
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// South |
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JPanel panelSouth; |
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JTextArea log; |
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JScrollPane spLog; |
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// Control |
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JPanel panelControl; |
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JTabbedPane tabPaneControl; |
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JPanel panelRobotControl; |
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JPanel panelRobotDirection; |
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JPanel panelRobotDirectionButtons; |
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JPanel panelRobotCommands; |
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JButton btnF, btnB, btnL, btnR, btnActivate; |
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JComboBox cmbRobotNum; |
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JLabel lblBattery; |
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JLabel lblSelected; |
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BatteryIcon batteryIcon; |
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JPanel panelBattery; |
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VectorController vectorController; |
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BufferedImage imageVectorControl; |
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JButton btnAssignID; |
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boolean setWaypoint; |
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int setWaypointID; |
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JButton btnCommand_MoveTo; |
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JButton btnCommand_MoveAll; |
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JButton btnCommand_StopTask; |
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JButton btnCommand_ResumeTask; |
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JButton btnCommand_ChargeNow; |
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JButton btnCommand_StopCharging; |
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// Task Manager |
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JPanel panelTaskManager; |
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JScrollPane spTaskManager; |
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JPanel panelTaskManagerControls; |
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JPanel panelTaskManagerControlsPriority; |
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DefaultListModel taskListModel; |
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JList taskList; |
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JButton btnAddTask; |
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JButton btnRemoveTask; |
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JButton btnMoveTaskUp; |
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JButton btnMoveTaskDown; |
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JButton btnUpdateTasks; |
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TaskAddWindow taskAddWindow; |
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//Webcam |
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WebcamPanel panelWebcam; |
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GraphicsPanel panelGraph; |
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GraphicsConfiguration gc; |
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volatile BufferedImage image; |
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volatile Graphics2D canvas; |
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int cx, cy; |
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JTabbedPane tabPaneMain; |
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Font botFont; |
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volatile int numBots; |
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volatile int selectedBot; //the user has selected this bot graphically |
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volatile java.util.List <RobotIcon> robotIcons; //contains boundary shapes around bots for click detection |
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volatile int[] xbeeID; |
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Colonet self = this; |
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Thread paintThread; |
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WebcamLoader webcamLoader; |
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ColonetServerInterface csi; |
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public void init () { |
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// Set the default look and feel - choose one |
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//String laf = UIManager.getSystemLookAndFeelClassName(); |
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String laf = UIManager.getCrossPlatformLookAndFeelClassName(); |
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//String laf = "com.sun.java.swing.plaf.motif.MotifLookAndFeel"; |
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try { |
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UIManager.setLookAndFeel(laf); |
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} catch (UnsupportedLookAndFeelException exc) { |
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System.err.println ("Warning: UnsupportedLookAndFeel: " + laf); |
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} catch (Exception exc) { |
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System.err.println ("Error loading " + laf + ": " + exc); |
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} |
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// We should invoke and wait to avoid browser display difficulties |
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Runnable r = new Runnable() { |
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public void run() { |
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createAndShowGUI(); |
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} |
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}; |
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try { |
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SwingUtilities.invokeAndWait(r); |
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} catch (InterruptedException e) { |
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//Not really sure why we would be in this situation |
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System.out.println("InterruptedException in init: " + e); |
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} catch (java.lang.reflect.InvocationTargetException e) { |
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//This could happen for various reasons if there is a problem in createAndShowGUI |
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e.printStackTrace(); |
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} |
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} |
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public void destroy () { |
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try { paintThread.interrupt(); } catch (Exception e) { } |
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} |
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private synchronized void createAndShowGUI () { |
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// init graphical elements |
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// Get the graphics configuration of the screen to create a buffer |
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gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration(); |
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image = gc.createCompatibleImage(CANVAS_SIZE,CANVAS_SIZE); |
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canvas = image.createGraphics(); |
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canvas.setStroke(new BasicStroke(2)); //set pen width |
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panelGraph = new GraphicsPanel(image, false); //set automatic double-buffering to false. we are doing it manually. |
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panelWebcam = new WebcamPanel(); |
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tabPaneMain = new JTabbedPane(); |
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tabPaneMain.add(panelWebcam, "Webcam"); |
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//tabPaneMain.add(panelGraph, "Graph"); |
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// Calculate center of canvas |
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cx = image.getWidth() / 2; |
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cy = image.getHeight() / 2; |
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// Set up robots |
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botFont = new Font("Arial", Font.PLAIN, 14); |
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numBots = 0; |
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selectedBot = -1; |
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robotIcons = new ArrayList <RobotIcon> (); |
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// Connection area |
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txtMatrix = new JTextArea(); |
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txtMatrix.setBorder(BorderFactory.createTitledBorder("Info")); |
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txtInfo = new JTextArea(); |
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txtInfo.setBorder(BorderFactory.createTitledBorder("Info")); |
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txtInfo.setEditable(false); |
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txtHost = new JTextField(this.getDocumentBase().getHost()); |
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txtHost.setBorder(BorderFactory.createTitledBorder("Host")); |
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txtPort = new JTextField("10123"); |
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txtPort.setBorder(BorderFactory.createTitledBorder("Port")); |
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btnConnect = new JButton("Connect"); |
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btnGetXBeeIDs = new JButton("Get XBee IDs"); |
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getRootPane().setDefaultButton(btnConnect); |
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lblConnectionStatus = new JLabel("Status: Offline"); |
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panelConnect = new JPanel(); |
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panelConnect.setLayout(new GridLayout(6,1)); |
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panelConnect.add(lblConnectionStatus); |
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panelConnect.add(txtHost); |
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panelConnect.add(txtPort); |
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panelConnect.add(btnConnect); |
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//panelConnect.add(btnGetXBeeIDs); |
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panelServerInterface = new JPanel(); |
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panelServerInterface.setLayout(new GridLayout(2,1)); |
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panelServerInterface.add(panelConnect); |
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panelServerInterface.add(txtMatrix); |
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// Robot direction panel |
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panelRobotDirection = new JPanel(); |
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panelRobotDirectionButtons = new JPanel(); |
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btnF = new JButton("^"); |
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btnB = new JButton("v"); |
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btnL = new JButton("<"); |
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btnR = new JButton(">"); |
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btnActivate = new JButton("o"); |
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panelRobotDirectionButtons.setLayout(new GridLayout(1,5)); |
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panelRobotDirectionButtons.add(btnActivate); |
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panelRobotDirectionButtons.add(btnF); |
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panelRobotDirectionButtons.add(btnB); |
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panelRobotDirectionButtons.add(btnL); |
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panelRobotDirectionButtons.add(btnR); |
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imageVectorControl = gc.createCompatibleImage(VECTOR_CONTROLLER_WIDTH, VECTOR_CONTROLLER_HEIGHT); |
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vectorController = new VectorController(imageVectorControl); |
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panelRobotDirection.setLayout(new BorderLayout()); |
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panelRobotDirection.add(vectorController, BorderLayout.CENTER); |
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panelRobotDirection.add(panelRobotDirectionButtons, BorderLayout.SOUTH); |
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// Robot Control and Commands |
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panelRobotCommands = new JPanel(); |
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panelRobotCommands.setLayout(new GridLayout(5,2)); |
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cmbRobotNum = new JComboBox(); |
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// Battery subset |
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batteryIcon = new BatteryIcon(0); |
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lblBattery = new JLabel(batteryIcon); |
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lblSelected = new JLabel("None"); |
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// Command subset |
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setWaypoint = false; |
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setWaypointID = -1; |
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btnAssignID = new JButton("Assign ID"); |
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btnCommand_MoveTo = new JButton("Move to ..."); |
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btnCommand_MoveAll = new JButton("Move all ..."); |
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btnCommand_StopTask = new JButton("Stop Current Task"); |
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btnCommand_ResumeTask = new JButton("Resume Current Task"); |
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btnCommand_ChargeNow = new JButton("Recharge Now"); |
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btnCommand_StopCharging = new JButton("Stop Recharging"); |
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panelRobotCommands.add(new JLabel("Select Robot to Control: ")); |
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panelRobotCommands.add(cmbRobotNum); |
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panelRobotCommands.add(new JLabel("Battery Level: ")); |
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panelRobotCommands.add(lblBattery); |
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panelRobotCommands.add(new JLabel("Selected Icon: ")); |
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panelRobotCommands.add(lblSelected); |
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panelRobotCommands.add(btnAssignID); |
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panelRobotCommands.add(new JLabel("")); |
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panelRobotCommands.add(btnCommand_MoveTo); |
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panelRobotCommands.add(btnCommand_MoveAll); |
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//panelRobotCommands.add(btnCommand_StopTask); |
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//panelRobotCommands.add(btnCommand_ResumeTask); |
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//panelRobotCommands.add(btnCommand_ChargeNow); |
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//panelRobotCommands.add(btnCommand_StopCharging); |
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panelRobotControl = new JPanel(); |
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panelRobotControl.setLayout(new GridLayout(2,1)); |
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panelRobotControl.add(panelRobotDirection); |
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panelRobotControl.add(panelRobotCommands); |
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// Task Manager |
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panelTaskManager = new JPanel(); |
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panelTaskManager.setLayout(new BorderLayout()); |
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taskListModel = new DefaultListModel(); |
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taskList = new JList(taskListModel); |
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taskList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
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taskList.setSelectedIndex(0); |
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spTaskManager = new JScrollPane(taskList); |
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panelTaskManagerControls = new JPanel(); |
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panelTaskManagerControls.setLayout(new GridLayout(1,4)); |
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panelTaskManagerControlsPriority = new JPanel(); |
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panelTaskManagerControlsPriority.setLayout(new GridLayout(1,2)); |
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btnAddTask = new JButton("Add..."); |
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btnRemoveTask = new JButton("Remove"); |
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btnMoveTaskUp = new JButton("^"); |
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btnMoveTaskDown = new JButton("v"); |
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btnUpdateTasks = new JButton("Update"); |
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panelTaskManagerControlsPriority.add(btnMoveTaskUp); |
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panelTaskManagerControlsPriority.add(btnMoveTaskDown); |
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panelTaskManagerControls.add(btnAddTask); |
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panelTaskManagerControls.add(btnRemoveTask); |
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panelTaskManagerControls.add(btnUpdateTasks); |
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panelTaskManagerControls.add(panelTaskManagerControlsPriority); |
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panelTaskManager.add(spTaskManager, BorderLayout.CENTER); |
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panelTaskManager.add(panelTaskManagerControls, BorderLayout.SOUTH); |
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panelTaskManager.add(new JLabel("Current Task Queue"), BorderLayout.NORTH); |
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taskAddWindow = new TaskAddWindow(); |
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// Message log |
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log = new JTextArea(); |
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spLog = new JScrollPane(log, |
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ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, |
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ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED); |
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spLog.setBorder(BorderFactory.createTitledBorder("Log")); |
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spLog.setPreferredSize(new Dimension(0, 120)); |
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log.setEditable(false); |
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// Main control mechanism |
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panelControl = new JPanel(); |
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panelControl.setLayout(new GridLayout(1,1)); |
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tabPaneControl = new JTabbedPane(JTabbedPane.TOP); |
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tabPaneControl.setPreferredSize(new Dimension(VECTOR_CONTROLLER_WIDTH, 0)); |
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tabPaneControl.addTab("Connection", panelServerInterface); |
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tabPaneControl.addTab("Robots", panelRobotControl); |
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//tabPaneControl.addTab("Tasks", panelTaskManager); |
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panelControl.add(tabPaneControl); |
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// Set up elements in the south |
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panelSouth = new JPanel(); |
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panelSouth.setLayout(new GridLayout(1,2)); |
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//panelSouth.add(spLog); |
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// Put all elements in the ContentPane |
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this.getContentPane().setLayout(new BorderLayout()); |
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this.getContentPane().add(tabPaneMain, BorderLayout.CENTER); |
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this.getContentPane().add(panelSouth, BorderLayout.SOUTH); |
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this.getContentPane().add(panelControl, BorderLayout.EAST); |
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this.setVisible(true); |
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/* Add all listeners here */ |
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// Task Management |
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btnAddTask.addActionListener(this); |
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btnRemoveTask.addActionListener(this); |
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btnMoveTaskUp.addActionListener(this); |
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btnMoveTaskDown.addActionListener(this); |
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btnUpdateTasks.addActionListener(this); |
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// Robot Control |
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btnF.addActionListener(this); |
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btnB.addActionListener(this); |
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btnL.addActionListener(this); |
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btnR.addActionListener(this); |
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btnF.addKeyListener(this); |
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btnB.addKeyListener(this); |
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btnL.addKeyListener(this); |
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btnR.addKeyListener(this); |
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btnActivate.addActionListener(this); |
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btnActivate.addKeyListener(this); |
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cmbRobotNum.addKeyListener(this); |
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btnCommand_MoveTo.addActionListener(this); |
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btnCommand_MoveAll.addActionListener(this); |
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btnCommand_StopTask.addActionListener(this); |
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btnCommand_ResumeTask.addActionListener(this); |
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btnCommand_ChargeNow.addActionListener(this); |
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btnCommand_StopCharging.addActionListener(this); |
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// Other |
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btnConnect.addActionListener(this); |
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btnGetXBeeIDs.addActionListener(this); |
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btnAssignID.addActionListener(this); |
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panelWebcam.addMouseListener(this); |
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} |
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public void run () { |
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while (true) { |
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repaint(); |
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try { |
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Thread.sleep(90); |
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} catch (InterruptedException e) { |
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return; |
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} |
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} |
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} |
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public void paint (Graphics g) { |
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super.paint(g); |
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} |
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public void update (Graphics g) { |
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paint(g); |
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} |
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/** |
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* Gets the JTextArea used for storing the activity log. This method returns a reference to the |
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* JTextArea that stores the log. The log can contain any activity that is revelant to the use |
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* of the applet, and may optionally display debugging information. |
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* |
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* @return the JTextArea where BOM matrix information is stored. |
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*/ |
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public JTextArea getLog () { |
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return log; |
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} |
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/** |
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* Gets the JTextArea used for storing the BOM matrix data. This method returns a reference to the |
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* JTextArea that stores the BOM matrix. The values in the matrix are stored as integers separated |
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* by spaces, and the lines should be separated by a newline. |
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* |
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* @return the JTextArea where BOM matrix information is stored. |
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*/ |
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public JTextArea getMatrixInput () { |
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return txtMatrix; |
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} |
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/** |
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* Parses a String containing BOM matrix information. |
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* The ColonetServerInterface receives lines of the BOM matrix. (For encoding |
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* information, see the ColonetServerInterface documentation.) The entire matrix is passed |
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* to the client when requested. This method takes a string of the form |
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* "[command code] [command code] [number of robots] [data0] [data1] ..." |
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* with tokens separated by spaces and containing no brackets. |
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* The [command code]s are predefined values identifying this String as a BOM data |
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* String, [number of robots] is an integer, and the values that follow are |
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* the sensor readings of the robots in order, starting with robot 0. Only [number of robots]^2 |
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* data entries will be read. The matrix values are saved locally until the next String is parsed. |
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* |
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* |
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* @param line the String containing BOM matrix information. |
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* @throws ArrayIndexOutOfBoundsException if there are fewer than [number of robots]^2 data entries in the String |
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*/ |
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public void parseMatrix (String line) { |
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txtMatrix.setText(""); |
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String [] str = line.split(" "); |
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int num = Integer.parseInt(str[2]); |
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for (int i = 0; i < num; i++) { |
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for (int j = 0; j < num; j++) { |
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String next = str[3 + i*num + j]; |
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if (next.equals("-1")) |
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txtMatrix.append("-"); |
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else |
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txtMatrix.append(next); |
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if (j < num - 1) |
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txtMatrix.append(" "); |
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} |
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if (i < num - 1) |
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txtMatrix.append("\n"); |
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} |
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repaint(); |
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} |
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|
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public void connect () { |
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lblConnectionStatus.setText("Status: Connecting..."); |
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webcamLoader = new WebcamLoader(this); |
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dataUpdater = new DataUpdater(); |
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csi = new ColonetServerInterface(this); |
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csi.connect(txtHost.getText(), txtPort.getText()); |
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if (!csi.isReady()) { |
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lblConnectionStatus.setText("Status: Offline"); |
|
432 |
return; |
|
433 |
} |
|
434 |
btnConnect.setText("Disconnect"); |
|
435 |
lblConnectionStatus.setText("Status: Connected"); |
|
436 |
dataUpdater.start(); |
|
437 |
webcamLoader.start(); |
|
438 |
} |
|
439 |
|
|
440 |
public void disconnect () { |
|
441 |
lblConnectionStatus.setText("Status: Disconnecting..."); |
|
442 |
dataUpdater.interrupt(); |
|
443 |
csi.disconnect(); |
|
444 |
csi = null; |
|
445 |
btnConnect.setText("Connect"); |
|
446 |
lblConnectionStatus.setText("Status: Disconnected"); |
|
447 |
} |
|
448 |
|
|
449 |
/** |
|
450 |
* Parses a String containing a task queue update. |
|
451 |
* Format is currently not specified. |
|
452 |
* This method currently does nothing. |
|
453 |
* |
|
454 |
* @param line the String containing task queue update information. |
|
455 |
*/ |
|
456 |
public void parseQueue (String line) { |
|
457 |
log.append("Got queue update\n"); |
|
458 |
//TODO: display new queue data in tasks tab |
|
459 |
} |
|
460 |
|
|
461 |
/** |
|
462 |
* Parses a String containing XBee ID values. |
|
463 |
* The ColonetServerInterface receives Strings of XBee information. (For encoding |
|
464 |
* information, see the ColonetServerInterface documentation.) This method takes |
|
465 |
* a string of the form "[command code] [command code] [number of robots] [id0] [id1] ..." |
|
466 |
* with tokens separated by spaces and containing no brackets. |
|
467 |
* The [command code]s are predefined values identifying this String as an XBee |
|
468 |
* ID String, [number of robots] is an integer, and the values that follow are |
|
469 |
* the IDs of the robots in order, starting with robot 0. Only [number of robots] |
|
470 |
* will be read. The ID values are saved locally until the next String is parsed. |
|
471 |
* The purpose of having this list is to ensure that robots are properly identified for control purposes. |
|
472 |
* This keeps robot identification consistent between sessions and prevents arbitrary assignment. |
|
473 |
* |
|
474 |
* @param line the String containing XBee ID information. |
|
475 |
* @throws ArrayIndexOutOfBoundsException if there are fewer than [number of robots] IDs in the String |
|
476 |
* @see ColonetServerInterface#sendXBeeIDRequest() |
|
477 |
*/ |
|
478 |
public void parseXBeeIDs (String line) { |
|
479 |
String [] str = line.split(" "); |
|
480 |
int num = Integer.parseInt(str[2]); |
|
481 |
xbeeID = new int[num]; |
|
482 |
for (int i = 0; i < num; i++) |
|
483 |
xbeeID[i] = Integer.parseInt(str[i+3]); |
|
484 |
|
|
485 |
//update the list of robots to control |
|
486 |
//but save the old value first |
|
487 |
Object oldSelection = cmbRobotNum.getSelectedItem(); |
|
488 |
cmbRobotNum.removeAllItems(); |
|
489 |
cmbRobotNum.addItem(new String(" All ")); |
|
490 |
for (int i = 0; i < num; i++) |
|
491 |
cmbRobotNum.addItem(new String("" + xbeeID[i])); |
|
492 |
cmbRobotNum.setSelectedItem(oldSelection); |
|
493 |
repaint(); |
|
494 |
} |
|
495 |
|
|
496 |
/** |
|
497 |
* Parses a String containing battery information. |
|
498 |
* The ColonetServerInterface receives Strings of battery information. (For encoding |
|
499 |
* information, see the ColonetServerInterface documentation.) This method takes |
|
500 |
* a string of the form "[command code] [command code] [robot ID] [value]" |
|
501 |
* with tokens separated by spaces and containing no brackets. |
|
502 |
* The [command code]s are predefined values identifying this String as a battery |
|
503 |
* information String, [robot ID] is an integer, and [value] is a battery measurement. |
|
504 |
* This updates the batery information for a single robot. |
|
505 |
* |
|
506 |
* |
|
507 |
* @param line the String containing battery information. |
|
508 |
* @see ColonetServerInterface#sendBatteryRequest(int) |
|
509 |
*/ |
|
510 |
public void parseBattery (String line) { |
|
511 |
String [] str = line.split(" "); |
|
512 |
int botNum = Integer.parseInt(str[2]); |
|
513 |
int level = Integer.parseInt(str[3]); |
|
514 |
int selected = -1; |
|
515 |
try { |
|
516 |
selected = Integer.parseInt((String)cmbRobotNum.getSelectedItem()); |
|
517 |
} catch (Exception e) { |
|
518 |
} |
|
519 |
if (selected == botNum) { |
|
520 |
batteryIcon.setLevel(level); |
|
521 |
} |
|
522 |
repaint(); |
|
523 |
} |
|
524 |
|
|
525 |
/** |
|
526 |
* Parses a String containing visual robot position information along with |
|
527 |
* canonical ID assignments. |
|
528 |
*/ |
|
529 |
public void parsePositions (String line) { |
|
530 |
String [] str = line.split(" "); |
|
531 |
java.util.List <RobotIcon> newList = new ArrayList <RobotIcon> (); |
|
532 |
|
|
533 |
for (int i = 2; i < str.length; i+=3) { |
|
534 |
int id = Integer.parseInt(str[i]); |
|
535 |
int x = Integer.parseInt(str[i+1]); |
|
536 |
int y = Integer.parseInt(str[i+2]); |
|
537 |
RobotIcon newIcon = new RobotIcon(id, x, y); |
|
538 |
if (newIcon.id >= 0) |
|
539 |
newIcon.color = Color.GREEN; |
|
540 |
newList.add(newIcon); |
|
541 |
} |
|
542 |
robotIcons = newList; |
|
543 |
repaint(); |
|
544 |
} |
|
545 |
|
|
546 |
|
|
547 |
// |
|
548 |
// MouseListener methods |
|
549 |
// |
|
550 |
public void mousePressed(MouseEvent e) { |
|
551 |
//Start a new Thread to handle the MouseEvent |
|
552 |
(new MouseHandler(e)).start(); |
|
553 |
} |
|
554 |
public void mouseExited(MouseEvent e) { |
|
555 |
} |
|
556 |
public void mouseEntered(MouseEvent e) { |
|
557 |
} |
|
558 |
public void mouseReleased(MouseEvent e) { |
|
559 |
} |
|
560 |
public void mouseClicked(MouseEvent e) { |
|
561 |
} |
|
562 |
public void mouseDragged(MouseEvent e) { |
|
563 |
} |
|
564 |
public void mouseMoved(MouseEvent e) { |
|
565 |
} |
|
566 |
|
|
567 |
// |
|
568 |
// KeyListener methods |
|
569 |
// |
|
570 |
public void keyPressed (KeyEvent e) { |
|
571 |
//Start a new Thread to handle the KeyEvent |
|
572 |
(new KeyHandler(e)).start(); |
|
573 |
} |
|
574 |
public void keyReleased (KeyEvent e) { |
|
575 |
} |
|
576 |
public void keyTyped (KeyEvent e) { |
|
577 |
} |
|
578 |
|
|
579 |
// |
|
580 |
// ActionListener method |
|
581 |
// |
|
582 |
public void actionPerformed (ActionEvent e) { |
|
583 |
// Start a new Thread to handle the ActionEvent |
|
584 |
(new ActionHandler(e)).start(); |
|
585 |
} |
|
586 |
|
|
587 |
class MouseHandler extends Thread { |
|
588 |
|
|
589 |
MouseEvent e; |
|
590 |
|
|
591 |
public MouseHandler (MouseEvent event) { |
|
592 |
super("MouseHandler"); |
|
593 |
this.e = event; |
|
594 |
} |
|
595 |
|
|
596 |
public void run () { |
|
597 |
|
|
598 |
Point pt = panelWebcam.convertClick(e); |
|
599 |
|
|
600 |
// If we are selecting a waypoint (destination) for a specific bot |
|
601 |
if (setWaypoint && setWaypointID >= 0) { |
|
602 |
setWaypoint = false; |
|
603 |
panelWebcam.setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); |
|
604 |
if (selectedBot < 0) |
|
605 |
return; |
|
606 |
|
|
607 |
RobotIcon r = robotIcons.get(selectedBot); |
|
608 |
r.destx = pt.x; |
|
609 |
r.desty = pt.y; |
|
610 |
|
|
611 |
if (csi != null) |
|
612 |
csi.sendAbsoluteMove(r.id, r.destx, r.desty); |
|
613 |
|
|
614 |
return; |
|
615 |
} |
|
616 |
|
|
617 |
// Right-click also means we are moving a robot |
|
618 |
if (e.getButton() == MouseEvent.BUTTON2 || e.getButton() == MouseEvent.BUTTON3) { |
|
619 |
if (selectedBot < 0) |
|
620 |
return; |
|
621 |
|
|
622 |
RobotIcon r = robotIcons.get(selectedBot); |
|
623 |
r.destx = pt.x; |
|
624 |
r.desty = pt.y; |
|
625 |
|
|
626 |
if (csi != null) |
|
627 |
csi.sendAbsoluteMove(r.id, r.destx, r.desty); |
|
628 |
|
|
629 |
return; |
|
630 |
} |
|
631 |
|
|
632 |
// If we are setting all waypoints |
|
633 |
if (setWaypoint) { |
|
634 |
setWaypoint = false; |
|
635 |
panelWebcam.setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); |
|
636 |
for (int i = 0; i < robotIcons.size(); i++) { |
|
637 |
RobotIcon r = robotIcons.get(i); |
|
638 |
r.destx = pt.x; |
|
639 |
r.desty = pt.y; |
|
640 |
} |
|
641 |
return; |
|
642 |
} |
|
643 |
|
|
644 |
// Otherwise, we are selecting a bot, or doing nothing |
|
645 |
for (int i = 0; i < robotIcons.size(); i++) { |
|
646 |
RobotIcon r = robotIcons.get(i); |
|
647 |
if (r.contains(pt.x, pt.y)) { |
|
648 |
selectedBot = i; |
|
649 |
lblSelected.setText(" " + r.id); |
|
650 |
// Try to select the clicked bot, if its XBee ID is detected. |
|
651 |
for (int j = 1; j < cmbRobotNum.getItemCount(); j++) { |
|
652 |
if (Integer.parseInt(cmbRobotNum.getItemAt(j).toString()) == robotIcons.get(selectedBot).id) |
|
653 |
cmbRobotNum.setSelectedIndex(j); |
|
654 |
} |
|
655 |
return; |
|
656 |
} |
|
657 |
} |
|
658 |
|
|
659 |
repaint(); |
|
660 |
} |
|
661 |
} |
|
662 |
|
|
663 |
class KeyHandler extends Thread { |
|
664 |
|
|
665 |
KeyEvent e; |
|
666 |
|
|
667 |
public KeyHandler (KeyEvent event) { |
|
668 |
super("KeyHandler"); |
|
669 |
this.e = event; |
|
670 |
} |
|
671 |
|
|
672 |
public void run () { |
|
673 |
int code = e.getKeyCode(); |
|
674 |
if (code == KeyEvent.VK_UP) { |
|
675 |
vectorController.setMaxForward(); |
|
676 |
vectorController.sendToServer(); |
|
677 |
} else if (code == KeyEvent.VK_DOWN) { |
|
678 |
vectorController.setMaxReverse(); |
|
679 |
vectorController.sendToServer(); |
|
680 |
} else if (code == KeyEvent.VK_LEFT) { |
|
681 |
vectorController.setMaxLeft(); |
|
682 |
vectorController.sendToServer(); |
|
683 |
} else if (code == KeyEvent.VK_RIGHT) { |
|
684 |
vectorController.setMaxRight(); |
|
685 |
vectorController.sendToServer(); |
|
686 |
} else if (code == KeyEvent.VK_S) { |
|
687 |
vectorController.setZero(); |
|
688 |
vectorController.sendToServer(); |
|
689 |
} |
|
690 |
repaint(); |
|
691 |
} |
|
692 |
} |
|
693 |
|
|
694 |
class ActionHandler extends Thread { |
|
695 |
|
|
696 |
ActionEvent e; |
|
697 |
|
|
698 |
public ActionHandler (ActionEvent event) { |
|
699 |
super("ActionHandler"); |
|
700 |
this.e = event; |
|
701 |
} |
|
702 |
|
|
703 |
public void run () { |
|
704 |
Object source = e.getSource(); |
|
705 |
|
|
706 |
// General Actions |
|
707 |
if (source == btnConnect) { |
|
708 |
if (csi == null) |
|
709 |
connect(); |
|
710 |
else |
|
711 |
disconnect(); |
|
712 |
} else if (source == btnGetXBeeIDs) { |
|
713 |
csi.sendXBeeIDRequest(); |
|
714 |
} else if (source == btnAssignID) { |
|
715 |
String message; |
|
716 |
if (selectedBot < 0) |
|
717 |
return; |
|
718 |
int curID = robotIcons.get(selectedBot).id; |
|
719 |
if (curID < 0) |
|
720 |
message = "That robot is unidentified. Please specify its ID."; |
|
721 |
else |
|
722 |
message = "That robot has ID " + curID + ". You may reassign it now."; |
|
723 |
String result = JOptionPane.showInputDialog(self, message, "Robot Identification", JOptionPane.QUESTION_MESSAGE); |
|
724 |
if (result == null) |
|
725 |
return; |
|
726 |
int newID = -1; |
|
727 |
try { |
|
728 |
newID = Integer.parseInt(result); |
|
729 |
} catch (Exception ex) { |
|
730 |
csi.warn("Invalid ID."); |
|
731 |
return; |
|
732 |
} |
|
733 |
// Assign new ID and update display |
|
734 |
csi.sendIDAssignment(curID, newID); |
|
735 |
robotIcons.get(selectedBot).id = newID; |
|
736 |
robotIcons.get(selectedBot).color = Color.GREEN; |
|
737 |
lblSelected.setText(" " + newID); |
|
738 |
|
|
739 |
|
|
740 |
} |
|
741 |
|
|
742 |
// Robot Movement Controls |
|
743 |
else if (source == btnF) { |
|
744 |
vectorController.setMaxForward(); |
|
745 |
vectorController.sendToServer(); |
|
746 |
} else if (source == btnB) { |
|
747 |
vectorController.setMaxReverse(); |
|
748 |
vectorController.sendToServer(); |
|
749 |
} else if (source == btnL) { |
|
750 |
vectorController.setMaxLeft(); |
|
751 |
vectorController.sendToServer(); |
|
752 |
} else if (source == btnR) { |
|
753 |
vectorController.setMaxRight(); |
|
754 |
vectorController.sendToServer(); |
|
755 |
} else if (source == btnActivate) { |
|
756 |
vectorController.setZero(); |
|
757 |
vectorController.sendToServer(); |
|
758 |
} |
|
759 |
// Robot Commands (non-movement) |
|
760 |
else if (source == btnCommand_MoveTo) { |
|
761 |
if (selectedBot < 0) |
|
762 |
return; |
|
763 |
panelWebcam.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR)); |
|
764 |
setWaypoint = true; |
|
765 |
setWaypointID = selectedBot; |
|
766 |
|
|
767 |
} else if (source == btnCommand_MoveAll) { |
|
768 |
panelWebcam.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR)); |
|
769 |
setWaypoint = true; |
|
770 |
setWaypointID = -1; |
|
771 |
|
|
772 |
} else if (source == btnCommand_StopTask) { |
|
773 |
|
|
774 |
} else if (source == btnCommand_ResumeTask) { |
|
775 |
|
|
776 |
} else if (source == btnCommand_ChargeNow) { |
|
777 |
|
|
778 |
} else if (source == btnCommand_StopCharging) { |
|
779 |
|
|
780 |
} |
|
781 |
|
|
782 |
// Queue Management |
|
783 |
else if (source == btnAddTask) { |
|
784 |
taskAddWindow.prompt(); |
|
785 |
} else if (source == btnRemoveTask) { |
|
786 |
if (taskList.getSelectedIndex() >= 0); |
|
787 |
csi.sendQueueRemove(taskList.getSelectedIndex()); |
|
788 |
csi.sendQueueUpdate(); |
|
789 |
} else if (source == btnMoveTaskUp) { |
|
790 |
csi.sendQueueReorder(taskList.getSelectedIndex(), taskList.getSelectedIndex() - 1); |
|
791 |
csi.sendQueueUpdate(); |
|
792 |
} else if (source == btnMoveTaskDown) { |
|
793 |
csi.sendQueueReorder(taskList.getSelectedIndex(), taskList.getSelectedIndex() + 1); |
|
794 |
csi.sendQueueUpdate(); |
|
795 |
} else if (source == btnUpdateTasks) { |
|
796 |
csi.sendQueueUpdate(); |
|
797 |
} |
|
798 |
|
|
799 |
repaint(); |
|
800 |
} |
|
801 |
|
|
802 |
} |
|
803 |
|
|
804 |
/* |
|
805 |
* DataUpdater thread. |
|
806 |
* The purpose of this thread is to request data from the server at regular intervals. |
|
807 |
* |
|
808 |
*/ |
|
809 |
class DataUpdater extends Thread { |
|
810 |
final int DATAUPDATER_DELAY = 400; |
|
811 |
|
|
812 |
public DataUpdater () { |
|
813 |
super("Colonet DataUpdater"); |
|
814 |
} |
|
815 |
|
|
816 |
public void run () { |
|
817 |
String line; |
|
818 |
while (true) { |
|
819 |
try { |
|
820 |
//request more data |
|
821 |
if (csi != null && csi.isReady()) { |
|
822 |
csi.sendPositionRequest(); |
|
823 |
csi.sendXBeeIDRequest(); |
|
824 |
if (cmbRobotNum.getSelectedIndex() > 0) { |
|
825 |
String sel = (String) cmbRobotNum.getSelectedItem(); |
|
826 |
int num = Integer.parseInt(sel); |
|
827 |
csi.sendBatteryRequest(num); |
|
828 |
} |
|
829 |
} |
|
830 |
Thread.sleep(DATAUPDATER_DELAY); |
|
831 |
} catch (InterruptedException e) { |
|
832 |
return; |
|
833 |
} |
|
834 |
} |
|
835 |
} |
|
836 |
|
|
837 |
} |
|
838 |
|
|
839 |
/* |
|
840 |
* GraphicsPanel class |
|
841 |
* An extension of JPanel, designed for holding an image that will be repainted regularly. |
|
842 |
*/ |
|
843 |
class GraphicsPanel extends JPanel { |
|
844 |
protected Image img; |
|
845 |
|
|
846 |
public GraphicsPanel (Image img) { |
|
847 |
this(img, true); |
|
848 |
} |
|
849 |
|
|
850 |
public GraphicsPanel (Image img, boolean isDoubleBuffered) { |
|
851 |
super(isDoubleBuffered); |
|
852 |
this.img = img; |
|
853 |
} |
|
854 |
|
|
855 |
public void paint (Graphics g) { |
|
856 |
// Place the buffered image on the screen, inside the panel |
|
857 |
g.drawImage(img, 0, 0, Color.WHITE, this); |
|
858 |
} |
|
859 |
|
|
860 |
} |
|
861 |
|
|
862 |
/* |
|
863 |
* WebcamPanel class |
|
864 |
* Enables more efficient image handling in a component-controlled environment |
|
865 |
*/ |
|
866 |
class WebcamPanel extends JPanel { |
|
867 |
int BORDER = 16; // this is arbitrary. it makes the image look nice inside a border. |
|
868 |
int BOT_RADIUS = 40; |
|
869 |
volatile BufferedImage img; |
|
870 |
BufferedImage buffer; |
|
871 |
|
|
872 |
public WebcamPanel () { |
|
873 |
super(true); |
|
874 |
} |
|
875 |
|
|
876 |
public synchronized void setImage (BufferedImage newimg) { |
|
877 |
if (img != null) { |
|
878 |
img.flush(); |
|
879 |
} |
|
880 |
System.gc(); |
|
881 |
img = newimg; |
|
882 |
repaint(); |
|
883 |
} |
|
884 |
|
|
885 |
public synchronized void paint (Graphics g) { |
|
886 |
if (img == null) |
|
887 |
return; |
|
888 |
|
|
889 |
// Calculate scaling |
|
890 |
int maxWidth = getWidth() - 2*BORDER; |
|
891 |
int maxHeight = getHeight() - 2*BORDER; |
|
892 |
double widthRatio = 1.0 * maxWidth / img.getWidth(); |
|
893 |
double heightRatio = 1.0 * maxHeight / img.getHeight(); |
|
894 |
double scale = 0; |
|
895 |
int newWidth = 0; |
|
896 |
int newHeight = 0; |
|
897 |
int x = 0; |
|
898 |
int y = 0; |
|
899 |
|
|
900 |
if (widthRatio > heightRatio) { //height is the limiting factor |
|
901 |
scale = heightRatio; |
|
902 |
newHeight = maxHeight; |
|
903 |
newWidth = (int) (img.getWidth() * scale); |
|
904 |
y = BORDER; |
|
905 |
x = (maxWidth - newWidth) / 2 + BORDER; |
|
906 |
} else { //width is the limiting factor |
|
907 |
scale = widthRatio; |
|
908 |
newWidth = maxWidth; |
|
909 |
newHeight = (int) (img.getHeight() * scale); |
|
910 |
x = BORDER; |
|
911 |
y = (maxHeight - newHeight) / 2 + BORDER; |
|
912 |
} |
|
913 |
|
|
914 |
// Draw everything onto the buffer |
|
915 |
buffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB); |
|
916 |
Graphics2D bufferedGraphics = (Graphics2D)buffer.getGraphics(); |
|
917 |
bufferedGraphics.setColor(Color.GRAY); |
|
918 |
bufferedGraphics.fillRect(0, 0, this.getWidth(), this.getHeight()); |
|
919 |
Image imgScaled = img.getScaledInstance(newWidth, newHeight, Image.SCALE_FAST); |
|
920 |
bufferedGraphics.drawImage(imgScaled, x, y, this); |
|
921 |
|
|
922 |
|
|
923 |
// Draw Identifiers and battery levels |
|
924 |
if (robotIcons != null) { |
|
925 |
bufferedGraphics.setStroke(new BasicStroke(2)); |
|
926 |
for (int i = 0; i < robotIcons.size(); i++) { |
|
927 |
RobotIcon r = robotIcons.get(i); |
|
928 |
bufferedGraphics.setColor(r.color); |
|
929 |
// Identifier circle |
|
930 |
int px = (int) (x + r.x * scale); |
|
931 |
int py = (int) (y + r.y * scale); |
|
932 |
bufferedGraphics.drawOval(px-RADIUS, py-RADIUS, 2*r.RADIUS, 2*r.RADIUS); |
|
933 |
// Battery |
|
934 |
//if (r.battery >= 0) { |
|
935 |
bufferedGraphics.setColor(Color.GREEN); |
|
936 |
bufferedGraphics.fillRect(px+20, py+20, 30, 10); |
|
937 |
bufferedGraphics.setColor(Color.BLACK); |
|
938 |
bufferedGraphics.drawRect(px+20, py+20, 50, 10); |
|
939 |
//} |
|
940 |
// If the robot has a destination, draw the vector |
|
941 |
if (r.destx >= 0) { |
|
942 |
bufferedGraphics.drawLine(px, py, (int)(x + r.destx * scale), (int)(y + r.desty * scale)); |
|
943 |
} |
|
944 |
} |
|
945 |
} |
|
946 |
|
|
947 |
// Identify currently-selected robot |
|
948 |
if (selectedBot >= 0) { |
|
949 |
bufferedGraphics.setColor(Color.BLACK); |
|
950 |
RobotIcon r = robotIcons.get(selectedBot); |
|
951 |
int px = (int) (x + r.x * scale); |
|
952 |
int py = (int) (y + r.y * scale); |
|
953 |
bufferedGraphics.drawOval(px-RADIUS-6, py-RADIUS-6, 2*r.RADIUS+12, 2*r.RADIUS+12); |
|
954 |
} |
|
955 |
|
|
956 |
//Display buffered content |
|
957 |
g.drawImage(buffer, 0, 0, this); |
|
958 |
} |
|
959 |
|
|
960 |
/* |
|
961 |
* Convert a click on the webcam panel to a coordinate that is consistent with the |
|
962 |
* original size of the image that the panel contains. |
|
963 |
*/ |
|
964 |
public Point convertClick (MouseEvent e) { |
|
965 |
// Calculate scaling |
|
966 |
int clickx = e.getX(); |
|
967 |
int clicky = e.getY(); |
|
968 |
int maxWidth = getWidth() - 2*BORDER; |
|
969 |
int maxHeight = getHeight() - 2*BORDER; |
|
970 |
double widthRatio = 1.0 * maxWidth / img.getWidth(); |
|
971 |
double heightRatio = 1.0 * maxHeight / img.getHeight(); |
|
972 |
double scale = 0; |
|
973 |
int newWidth = 0; |
|
974 |
int newHeight = 0; |
|
975 |
int px = 0; |
|
976 |
int py = 0; |
|
977 |
|
|
978 |
if (widthRatio > heightRatio) { //height is the limiting factor |
|
979 |
scale = heightRatio; |
|
980 |
newHeight = maxHeight; |
|
981 |
newWidth = (int) (img.getWidth() * scale); |
|
982 |
py = clicky - BORDER; |
|
983 |
px = clickx - BORDER - (maxWidth - newWidth) / 2; |
|
984 |
py *= scale; |
|
985 |
px *= scale; |
|
986 |
} else { //width is the limiting factor |
|
987 |
scale = widthRatio; |
|
988 |
newWidth = maxWidth; |
|
989 |
newHeight = (int) (img.getHeight() * scale); |
|
990 |
px = clickx - BORDER; |
|
991 |
py = clicky - BORDER - (maxHeight - newHeight) / 2; |
|
992 |
px *= scale; |
|
993 |
py *= scale; |
|
994 |
} |
|
995 |
|
|
996 |
return new Point(px, py); |
|
997 |
|
|
998 |
} |
|
999 |
|
|
1000 |
} |
|
1001 |
|
|
1002 |
/* |
|
1003 |
* WebcamLoader class |
|
1004 |
* Handles the loading of the webcam image. |
|
1005 |
*/ |
|
1006 |
class WebcamLoader extends Thread |
|
1007 |
{ |
|
1008 |
final int WEBCAMLOADER_DELAY = 400; |
|
1009 |
final String IMAGE_PATH = "http://roboclub9.frc.ri.cmu.edu/colonet.jpg"; |
|
1010 |
|
|
1011 |
URL imagePath; |
|
1012 |
|
|
1013 |
MediaTracker mt; |
|
1014 |
BufferedImage image; |
|
1015 |
Random rand; |
|
1016 |
|
|
1017 |
public WebcamLoader (JApplet applet) |
|
1018 |
{ |
|
1019 |
super("ColonetWebcamLoader"); |
|
1020 |
mt = new MediaTracker(applet); |
|
1021 |
ImageIO.setUseCache(false); |
|
1022 |
rand = new Random(); |
|
1023 |
} |
|
1024 |
|
|
1025 |
public void run () |
|
1026 |
{ |
|
1027 |
while (true) { |
|
1028 |
try { |
|
1029 |
Thread.sleep(WEBCAMLOADER_DELAY); |
|
1030 |
if (image != null) |
|
1031 |
image.flush(); |
|
1032 |
System.gc(); |
|
1033 |
try { |
|
1034 |
imagePath = new URL(IMAGE_PATH + "?rand=" + rand.nextInt(50000)); |
|
1035 |
} catch (MalformedURLException e) { |
|
1036 |
System.out.println("Malformed URL: could not form URL from: [" + IMAGE_PATH + "]\n"); |
|
1037 |
} |
|
1038 |
image = ImageIO.read(imagePath); |
|
1039 |
// The MediaTracker waitForID pauses the thread until the image is loaded. |
|
1040 |
// We don't want to display a half-downloaded image. |
|
1041 |
mt.addImage(image, 1); |
|
1042 |
mt.waitForID(1); |
|
1043 |
mt.removeImage(image); |
|
1044 |
// Save |
|
1045 |
panelWebcam.setImage(image); |
|
1046 |
} catch (InterruptedException e) { |
|
1047 |
return; |
|
1048 |
} catch (java.security.AccessControlException e) { |
|
1049 |
csi.warn("Could not load webcam.\n" + e); |
|
1050 |
return; |
|
1051 |
} catch (IOException e) { |
|
1052 |
log.append("IOException while trying to load image."); |
|
1053 |
} |
|
1054 |
} |
|
1055 |
} |
|
1056 |
|
|
1057 |
} |
|
1058 |
|
|
1059 |
/* |
|
1060 |
* RobotIcon class |
|
1061 |
* Provides a means for graphically representing and keeping track of webcam bots. |
|
1062 |
*/ |
|
1063 |
class RobotIcon { |
|
1064 |
public final int RADIUS = 30; |
|
1065 |
public final int CLOSE = 80; |
|
1066 |
|
|
1067 |
public int x, y; |
|
1068 |
public int destx, desty; |
|
1069 |
public int id; |
|
1070 |
public Color color; |
|
1071 |
public int battery; |
|
1072 |
|
|
1073 |
public RobotIcon (int id, int x, int y) { |
|
1074 |
this.color = Color.RED; |
|
1075 |
this.x = x; |
|
1076 |
this.y = y; |
|
1077 |
this.id = id; |
|
1078 |
this.destx = -1; |
|
1079 |
this.desty = -1; |
|
1080 |
this.battery = -1; |
|
1081 |
} |
|
1082 |
|
|
1083 |
/** |
|
1084 |
* Relocates this RobotIcon to a new coordinate point. |
|
1085 |
* |
|
1086 |
*/ |
|
1087 |
public void move (int newX, int newY) { |
|
1088 |
this.x = newX; |
|
1089 |
this.y = newY; |
|
1090 |
} |
|
1091 |
|
|
1092 |
/** |
|
1093 |
* Determines if a given point is within a reasonable range of the current location |
|
1094 |
* to be considered the same robot when moving. The threshold is determined by the |
|
1095 |
* CLOSE value. |
|
1096 |
* |
|
1097 |
* @returns Whether or not the given point is reasonably close to the current location. |
|
1098 |
* |
|
1099 |
*/ |
|
1100 |
public boolean isClose (int nx, int ny) { |
|
1101 |
int dist = (int) Point.distance(this.x, this.y, nx, ny); |
|
1102 |
return (dist < CLOSE); |
|
1103 |
} |
|
1104 |
|
|
1105 |
/** |
|
1106 |
* Determines whether a given point is within the rectangle that circumscribes the |
|
1107 |
* robot's circlular icon. Used for clicking on robots in webcam view. |
|
1108 |
* |
|
1109 |
*/ |
|
1110 |
public boolean contains (int px, int py) { |
|
1111 |
Rectangle rect = new Rectangle(x-RADIUS, y-RADIUS, 2*RADIUS, 2*RADIUS); |
|
1112 |
return rect.contains(px, py); |
|
1113 |
} |
|
1114 |
|
|
1115 |
public String toString () { |
|
1116 |
String s = "RobotIcon at (" + x + "," + y + "), id " + id; |
|
1117 |
return s; |
|
1118 |
} |
|
1119 |
|
|
1120 |
} |
|
1121 |
|
|
1122 |
|
|
1123 |
/* |
|
1124 |
* VectorController class |
|
1125 |
* Manages robot motion control graphically |
|
1126 |
*/ |
|
1127 |
class VectorController extends GraphicsPanel implements MouseListener, MouseMotionListener { |
|
1128 |
int x, y, cx, cy; |
|
1129 |
int width, height; |
|
1130 |
int side; |
|
1131 |
|
|
1132 |
public VectorController (Image img) { |
|
1133 |
super (img); |
|
1134 |
width = img.getWidth(null); |
|
1135 |
height = img.getHeight(null); |
|
1136 |
cx = img.getWidth(null)/2; |
|
1137 |
cy = img.getHeight(null)/2; |
|
1138 |
x = cx; |
|
1139 |
y = cy; |
|
1140 |
if (width < height) |
|
1141 |
side = width; |
|
1142 |
else |
|
1143 |
side = height; |
|
1144 |
this.addMouseListener(this); |
|
1145 |
this.addMouseMotionListener(this); |
|
1146 |
} |
|
1147 |
|
|
1148 |
public void setPoint (int x, int y) { |
|
1149 |
if (!isValidPoint(x, y)) |
|
1150 |
return; |
|
1151 |
this.x = x; |
|
1152 |
this.y = y; |
|
1153 |
repaint(); |
|
1154 |
} |
|
1155 |
|
|
1156 |
public boolean isValidPoint (int x, int y) { |
|
1157 |
double xterm = Math.pow(1.0*(x - cx)/(side/2), 2); |
|
1158 |
double yterm = Math.pow(1.0*(y - cy)/(side/2), 2); |
|
1159 |
return (xterm + yterm <= 1); |
|
1160 |
} |
|
1161 |
|
|
1162 |
public void notifyMouseEvent (MouseEvent e, boolean send) { |
|
1163 |
if (!isValidPoint(e.getX(), e.getY())) |
|
1164 |
return; |
|
1165 |
vectorController.setPoint(e.getX(), e.getY()); |
|
1166 |
vectorController.repaint(); |
|
1167 |
if (send) |
|
1168 |
vectorController.sendToServer(); |
|
1169 |
} |
|
1170 |
|
|
1171 |
public void mouseExited(MouseEvent e) { |
|
1172 |
} |
|
1173 |
public void mouseEntered(MouseEvent e) { |
|
1174 |
} |
|
1175 |
public void mouseReleased(MouseEvent e) { |
|
1176 |
this.notifyMouseEvent(e, true); |
|
1177 |
} |
|
1178 |
public void mouseClicked(MouseEvent e) { |
|
1179 |
this.notifyMouseEvent(e, false); |
|
1180 |
} |
|
1181 |
public void mousePressed(MouseEvent e) { |
|
1182 |
} |
|
1183 |
public void mouseDragged(MouseEvent e) { |
|
1184 |
vectorController.notifyMouseEvent(e, false); |
|
1185 |
} |
|
1186 |
public void mouseMoved(MouseEvent e) { |
|
1187 |
} |
|
1188 |
|
|
1189 |
public int getSpeed () { |
|
1190 |
int dx = x - cx; |
|
1191 |
int dy = y - cy; |
|
1192 |
int v = (int) Math.sqrt( Math.pow(dx, 2) + Math.pow(dy, 2) ); |
|
1193 |
return v; |
|
1194 |
} |
|
1195 |
|
|
1196 |
/** |
|
1197 |
* Returns the angle of the control vector in positive degrees west of north, |
|
1198 |
* or negative degrees east of north, whichever is less than or equal to |
|
1199 |
* 180 degrees total. |
|
1200 |
*/ |
|
1201 |
public int getAngle () { |
|
1202 |
int dx = x - cx; |
|
1203 |
int dy = cy - y; |
|
1204 |
// find reference angle in radians |
|
1205 |
double theta = Math.atan2(Math.abs(dx), Math.abs(dy)); |
|
1206 |
// transform to degrees |
|
1207 |
theta = theta * 180 / Math.PI; |
|
1208 |
// adjust for quadrant |
|
1209 |
if (dx < 0 && dy < 0) |
|
1210 |
theta = 90 + theta; |
|
1211 |
else if (dx < 0 && dy >= 0) |
|
1212 |
theta = 90 - theta; |
|
1213 |
else if (dx >= 0 && dy < 0) |
|
1214 |
theta = -90 - theta; |
|
1215 |
else |
|
1216 |
theta = -90 + theta; |
|
1217 |
return (int) theta; |
|
1218 |
} |
|
1219 |
|
|
1220 |
public void paint (Graphics g) { |
|
1221 |
g.setColor(Color.BLACK); |
|
1222 |
g.fillRect(0, 0, width, height); |
|
1223 |
((Graphics2D)g).setStroke(new BasicStroke(1)); |
|
1224 |
g.setColor(Color.RED); |
|
1225 |
g.drawOval(cx-side/2, cy-side/2, side, side); |
|
1226 |
((Graphics2D)g).setStroke(new BasicStroke(2)); |
|
1227 |
g.setColor(Color.GREEN); |
|
1228 |
g.drawLine(cx, cy, x, y); |
|
1229 |
g.fillOval(x-3, y-3, 6, 6); |
|
1230 |
} |
|
1231 |
|
|
1232 |
public void setMaxForward () { |
|
1233 |
setPoint(cx, cy - (side/2) + 1); |
|
1234 |
} |
|
1235 |
|
|
1236 |
public void setMaxReverse () { |
|
1237 |
setPoint(cx, cy + (side/2) - 1); |
|
1238 |
} |
|
1239 |
|
|
1240 |
public void setMaxLeft () { |
|
1241 |
setPoint(cx - (side/2) + 1, cy); |
|
1242 |
} |
|
1243 |
|
|
1244 |
public void setMaxRight () { |
|
1245 |
setPoint(cx + (side/2) - 1, cy); |
|
1246 |
} |
|
1247 |
|
|
1248 |
public void setZero () { |
|
1249 |
setPoint(cx, cy); |
|
1250 |
} |
|
1251 |
|
|
1252 |
public void sendToServer () { |
|
1253 |
System.out.println("Attempting to send angle = " + getAngle() + ", speed = " + getSpeed() + ""); |
|
1254 |
String dest = ColonetServerInterface.GLOBAL_DEST; |
|
1255 |
if (cmbRobotNum != null && cmbRobotNum.getSelectedIndex() > 0) { |
|
1256 |
dest = (String)cmbRobotNum.getSelectedItem(); |
|
1257 |
} |
|
1258 |
|
|
1259 |
if (csi != null) { |
|
1260 |
/* |
|
1261 |
csi.sendData(ColonetServerInterface.MOVE + " " + getSpeed() + " " + getAngle(), dest); |
|
1262 |
*/ |
|
1263 |
|
|
1264 |
//Directional commands |
|
1265 |
if (x > cx && y == cy) { //move right |
|
1266 |
csi.sendData(ColonetServerInterface.MOTOR2_SET + " 0 200", dest); |
|
1267 |
csi.sendData(ColonetServerInterface.MOTOR1_SET + " 1 200", dest); |
|
1268 |
} else if (x < cx && y == cy) { //move left |
|
1269 |
csi.sendData(ColonetServerInterface.MOTOR2_SET + " 1 200", dest); |
|
1270 |
csi.sendData(ColonetServerInterface.MOTOR1_SET + " 0 200", dest); |
|
1271 |
} else if (x == cx && y > cy) { //move forward |
|
1272 |
csi.sendData(ColonetServerInterface.MOTOR2_SET + " 0 225", dest); |
|
1273 |
csi.sendData(ColonetServerInterface.MOTOR1_SET + " 0 225", dest); |
|
1274 |
} else if (x == cx && y < cy) { //move backward |
|
1275 |
csi.sendData(ColonetServerInterface.MOTOR2_SET + " 1 225", dest); |
|
1276 |
csi.sendData(ColonetServerInterface.MOTOR1_SET + " 1 225", dest); |
|
1277 |
} else if (x == cx && y == cy) { //stop! |
|
1278 |
csi.sendData(ColonetServerInterface.MOTOR2_SET + " 1 0", dest); |
|
1279 |
csi.sendData(ColonetServerInterface.MOTOR1_SET + " 1 0", dest); |
|
1280 |
} |
|
1281 |
} |
|
1282 |
} |
|
1283 |
|
|
1284 |
} |
|
1285 |
|
|
1286 |
/* |
|
1287 |
* TaskAddWindow class |
|
1288 |
* A window that provides a simple way to add tasks to a task queue. |
|
1289 |
*/ |
|
1290 |
class TaskAddWindow extends JFrame implements ActionListener, ListSelectionListener { |
|
1291 |
JPanel panelButtons; |
|
1292 |
JPanel panelParameters; |
|
1293 |
JPanel panelSouth; |
|
1294 |
JPanel panelSelection; |
|
1295 |
JButton btnSubmit; |
|
1296 |
JButton btnCancel; |
|
1297 |
DefaultListModel availableListModel; |
|
1298 |
JList availableList; |
|
1299 |
JScrollPane spAvailableTasks; |
|
1300 |
JTextArea txtDescription; |
|
1301 |
JTextField txtParameters; |
|
1302 |
|
|
1303 |
public TaskAddWindow () { |
|
1304 |
super("Add a Task"); |
|
1305 |
super.setSize(500,500); |
|
1306 |
super.setLayout(new BorderLayout()); |
|
1307 |
|
|
1308 |
// set up buttons |
|
1309 |
btnSubmit = new JButton("Submit"); |
|
1310 |
btnCancel = new JButton("Cancel"); |
|
1311 |
panelButtons = new JPanel(); |
|
1312 |
panelButtons.setLayout(new FlowLayout()); |
|
1313 |
panelButtons.add(btnSubmit); |
|
1314 |
panelButtons.add(btnCancel); |
|
1315 |
this.getRootPane().setDefaultButton(btnSubmit); |
|
1316 |
|
|
1317 |
// set up task list |
|
1318 |
availableListModel = new DefaultListModel(); |
|
1319 |
availableListModel.addElement("Map the Environment"); |
|
1320 |
availableListModel.addElement("Clean Up Chemical Spill"); |
|
1321 |
availableListModel.addElement("Grow Plants"); |
|
1322 |
availableListModel.addElement("Save the Cheerleader"); |
|
1323 |
availableListModel.addElement("Save the World"); |
|
1324 |
availableList = new JList(availableListModel); |
|
1325 |
availableList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
|
1326 |
availableList.setSelectedIndex(-1); |
|
1327 |
spAvailableTasks = new JScrollPane(availableList); |
|
1328 |
spAvailableTasks.setBorder(BorderFactory.createTitledBorder("Select A Task")); |
|
1329 |
txtDescription = new JTextArea(); |
|
1330 |
txtDescription.setEditable(false); |
|
1331 |
txtDescription.setLineWrap(true); |
|
1332 |
txtDescription.setWrapStyleWord(true); |
|
1333 |
txtDescription.setBorder(BorderFactory.createTitledBorder("Description")); |
|
1334 |
|
|
1335 |
//set up parameter area |
|
1336 |
panelParameters = new JPanel(); |
|
1337 |
panelParameters.setLayout(new BorderLayout()); |
|
1338 |
txtParameters = new JTextField(); |
|
1339 |
panelParameters.add(new JLabel("Optional parameters for this task: "), BorderLayout.WEST); |
|
1340 |
panelParameters.add(txtParameters); |
|
1341 |
|
|
1342 |
// assemble objects |
|
1343 |
panelSelection = new JPanel(); |
|
1344 |
panelSelection.setLayout(new GridLayout(1,2)); |
|
1345 |
panelSelection.add(spAvailableTasks); |
|
1346 |
panelSelection.add(txtDescription); |
|
1347 |
|
|
1348 |
panelSouth = new JPanel(); |
|
1349 |
panelSouth.setLayout(new GridLayout(2,1)); |
|
1350 |
panelSouth.add(panelParameters); |
|
1351 |
panelSouth.add(panelButtons); |
|
1352 |
|
|
1353 |
this.getContentPane().add(panelSouth, BorderLayout.SOUTH); |
|
1354 |
this.getContentPane().add(panelSelection, BorderLayout.CENTER); |
|
1355 |
this.setLocationRelativeTo(null); |
|
1356 |
|
|
1357 |
// add listeners here |
|
1358 |
availableList.addListSelectionListener(this); |
|
1359 |
btnSubmit.addActionListener(this); |
|
1360 |
btnCancel.addActionListener(this); |
|
1361 |
} |
|
1362 |
|
|
1363 |
public void prompt () { |
|
1364 |
this.setVisible(true); |
|
1365 |
} |
|
1366 |
|
|
1367 |
private String getDescription (int index) { |
|
1368 |
if (index < 0) |
|
1369 |
return ""; |
|
1370 |
switch (index) { |
|
1371 |
case 0: return "SLAM and junk"; |
|
1372 |
case 1: return "I'm not sure this works"; |
|
1373 |
case 2: return "Push them into the light"; |
|
1374 |
case 3: return "..."; |
|
1375 |
case 4: return "..."; |
|
1376 |
|
|
1377 |
default: return "Task not recognized"; |
|
1378 |
} |
|
1379 |
} |
|
1380 |
|
|
1381 |
public void actionPerformed (ActionEvent e) { |
|
1382 |
Object source = e.getSource(); |
|
1383 |
if (source == btnSubmit) { |
|
1384 |
txtParameters.setText(txtParameters.getText().trim()); |
|
1385 |
|
|
1386 |
|
|
1387 |
this.setVisible(false); |
|
1388 |
} else if (source == btnCancel) { |
|
1389 |
this.setVisible(false); |
|
1390 |
} |
|
1391 |
} |
|
1392 |
|
|
1393 |
public void valueChanged (ListSelectionEvent e) { |
|
1394 |
int index = availableList.getSelectedIndex(); |
|
1395 |
if (index >= 0) |
|
1396 |
txtDescription.setText(getDescription(index)); |
|
1397 |
} |
|
1398 |
|
|
1399 |
} |
|
1400 |
|
|
1401 |
/* |
|
1402 |
* BatteryIcon class |
|
1403 |
* Graphical representation of battery level |
|
1404 |
*/ |
|
1405 |
class BatteryIcon implements Icon { |
|
1406 |
private int width; |
|
1407 |
private int height; |
|
1408 |
private int level; |
|
1409 |
|
|
1410 |
/** |
|
1411 |
* Constructs a new BatteryIcon with all default parameters. |
|
1412 |
* Default width and height are 50. |
|
1413 |
* Default level is 100. |
|
1414 |
*/ |
|
1415 |
public BatteryIcon(){ |
|
1416 |
this(100, 50, 50); |
|
1417 |
} |
|
1418 |
|
|
1419 |
/** |
|
1420 |
* Constructs a new BatteryIcon with default width and height, and with the specified level. |
|
1421 |
* Default width and height are 50. |
|
1422 |
*/ |
|
1423 |
public BatteryIcon(int startLevel){ |
|
1424 |
this(startLevel, 50, 50); |
|
1425 |
} |
|
1426 |
|
|
1427 |
/** |
|
1428 |
* Constructs a new BatteryIcon with the specified level, width, and height. |
|
1429 |
*/ |
|
1430 |
public BatteryIcon(int startLevel, int w, int h){ |
|
1431 |
level = startLevel; |
|
1432 |
width = w; |
|
1433 |
height = h; |
|
1434 |
} |
|
1435 |
|
|
1436 |
public void paintIcon(Component c, Graphics g, int x, int y) { |
|
1437 |
Graphics2D g2d = (Graphics2D) g.create(); |
|
1438 |
//clear the background |
|
1439 |
g2d.setColor(Color.WHITE); |
|
1440 |
g2d.fillRect(x + 1, y + 1, width - 2, height - 2); |
|
1441 |
//outline |
|
1442 |
g2d.setColor(Color.BLACK); |
|
1443 |
g2d.drawRect((int)(x + width*.3), y + 2, (int)(width*.4), height - 4); |
|
1444 |
//battery life rectangle |
|
1445 |
if (level > 50) |
|
1446 |
g2d.setColor(Color.GREEN); |
|
1447 |
else if (level > 25) |
|
1448 |
g2d.setColor(Color.YELLOW); |
|
1449 |
else |
|
1450 |
g2d.setColor(Color.RED); |
|
1451 |
int greenX = (int)(x + 1 + width*.3); |
|
1452 |
int greenY = (int)((y+3) + Math.abs(level-100.0)*(height-6)/(100)); |
|
1453 |
int greenWidth = (int)(width*.4 - 2)+1; |
|
1454 |
int greenHeight = 1+(int)(level-0.0)*(height-6)/(100); |
|
1455 |
g2d.fillRect(greenX, greenY, greenWidth, greenHeight); |
|
1456 |
//text |
|
1457 |
g2d.setColor(Color.BLACK); |
|
1458 |
g2d.drawString(level + "%", greenX + greenWidth/2 - 10, greenY + greenHeight/2 + 5); |
|
1459 |
|
|
1460 |
g2d.dispose(); |
|
1461 |
} |
|
1462 |
|
|
1463 |
/** |
|
1464 |
* Sets the battery level for this BatteryIcon. The level should be given in raw form, i.e. 0-255 directly |
|
1465 |
* from the robot. The value will be converted to a representative percentage automatically. |
|
1466 |
* |
|
1467 |
* @param newLevel the new battery reading from the robot that this BatteryIcon will display. |
|
1468 |
*/ |
|
1469 |
public void setLevel(int newLevel) { |
|
1470 |
level = convert(newLevel); |
|
1471 |
repaint(); |
|
1472 |
System.out.println("Updated level to " + level); |
|
1473 |
} |
|
1474 |
|
|
1475 |
public int getIconWidth() { |
|
1476 |
return width; |
|
1477 |
} |
|
1478 |
|
|
1479 |
public int getIconHeight() { |
|
1480 |
return height; |
|
1481 |
} |
|
1482 |
|
|
1483 |
/** |
|
1484 |
* Converts a robot battery reading into representable form. |
|
1485 |
* Readings from the robot are returned as raw values, 0-255. This method converts the reading into a value |
|
1486 |
* from 0 to 100 so that the practical remaining charge is represented. |
|
1487 |
* |
|
1488 |
* @param level The battery level as returned by the robot. |
|
1489 |
* @returns The representable battery percentage. |
|
1490 |
*/ |
|
1491 |
private int convert (int level) { |
|
1492 |
// TODO: make this a forreals conversion. |
|
1493 |
return (int) (100.0 * level / 170); |
|
1494 |
} |
|
1495 |
|
|
1496 |
} |
Also available in: Unified diff