src/appletbots/ObjectViewer.java

   1 /*
   2  * Copyright (c) 2002 Erik Rasmussen - All Rights Reserverd
   3  */
   4 package appletbots;
   5
   6 import javax.swing.*;
   7 import java.awt.event.ActionEvent;
   8 import java.awt.event.ActionListener;
   9
  10 /**
  11  * This class represents an object viewer panel to be used with the appletbots
  12  * applet.  It becomes active when an object in the world is selected.
  13  *
  14  * @author Erik Rasmussen
  15  */
  16 public class ObjectViewer extends JPanel
  17 {
  18         /**
  19          * The location and velocity data of the selected object
  20          */
  21         protected WorldObjectData data;
  22
  23         /**
  24          * The "Show Sight" check box
  25          */
  26         protected JCheckBox showSightCheckBox;
  27         /**
  28          * The "Show Velocity" check box
  29          */
  30         protected JCheckBox showVelocityCheckBox;
  31         /**
  32          * The "Show Acceleration" check box
  33          */
  34         protected JCheckBox showAccelerationCheckBox;
  35
  36         /**
  37          * Creates a new object viewer panel
  38          */
  39         public ObjectViewer()
  40         {
  41                 showSightCheckBox = new JCheckBox();
  42                 showSightCheckBox.setEnabled(false);
  43                 showSightCheckBox.setSelected(false);
  44
  45                 showVelocityCheckBox = new JCheckBox();
  46                 showVelocityCheckBox.setEnabled(false);
  47                 showVelocityCheckBox.setSelected(false);
  48                 showVelocityCheckBox.addActionListener(new java.awt.event.ActionListener()
  49                 {
  50                         public void actionPerformed(final ActionEvent event)
  51                         {
  52                                 ObjectViewer.this.showVelocityClicked(event);
  53                         }
  54                 });
  55
  56                 showAccelerationCheckBox = new JCheckBox();
  57                 showAccelerationCheckBox.setEnabled(false);
  58                 showAccelerationCheckBox.setSelected(false);
  59                 showAccelerationCheckBox.addActionListener(new ActionListener()
  60                 {
  61                         public void actionPerformed(final ActionEvent event)
  62                         {
  63                                 ObjectViewer.this.showAccelerationClicked(event);
  64                         }
  65                 });
  66
  67                 setLayout(new java.awt.GridLayout(3, 2));
  68                 add(new JLabel("Show Sight"));
  69                 add(showSightCheckBox);
  70                 add(new JLabel("Show Velocity"));
  71                 add(showVelocityCheckBox);
  72                 add(new JLabel("Show Acceleration"));
  73                 add(showAccelerationCheckBox);
  74         }
  75
  76         /**
  77          * Sets a new selected object by passing the object's location and
  78          * velocity data
  79          *
  80          * @param data The selected object's location and velocity data
  81          */
  82         public void setData(final WorldObjectData data)
  83         {
  84                 this.data = data;
  85                 if (data != null && data.getObject() instanceof Agent)
  86                 {
  87                         final Agent agent = (Agent) data.getObject();
  88                         showSightCheckBox.setEnabled(true);
  89                         showVelocityCheckBox.setEnabled(true);
  90                         showVelocityCheckBox.setSelected(agent.getShowVelocity());
  91                         showAccelerationCheckBox.setEnabled(true);
  92                         showAccelerationCheckBox.setSelected(agent.getShowAcceleration());
  93                 }
  94                 else
  95                 {
  96                         showSightCheckBox.setSelected(false);
  97                         showSightCheckBox.setEnabled(false);
  98                         showVelocityCheckBox.setSelected(false);
  99                         showVelocityCheckBox.setEnabled(false);
 100                         showAccelerationCheckBox.setSelected(false);
 101                         showAccelerationCheckBox.setEnabled(false);
 102                 }
 103                 update();
 104         }
 105
 106         /**
 107          * Updates the panel
 108          */
 109         public void update()
 110         {
 111         }
 112
 113         /**
 114          * Returns whether or not the "Show Sight" check box is checked
 115          *
 116          * @return Whether or not the "Show Sight" check box is checked
 117          */
 118         public boolean getShowSight()
 119         {
 120                 return showSightCheckBox.isSelected();
 121         }
 122
 123         /**
 124          * The method invoked when the user selects or deselects the "Show
 125          * Velocity" check box
 126          *
 127          * @param event The action event
 128          */
 129         public void showVelocityClicked(final ActionEvent event)
 130         {
 131                 if (data != null && data.getObject() instanceof Agent)
 132                         ((Agent) data.getObject()).setShowVelocity(showVelocityCheckBox.isSelected());
 133         }
 134
 135         /**
 136          * The method invoked when the user selects or deselects the "Show
 137          * Acceleration" check box
 138          *
 139          * @param event The action event
 140          */
 141         public void showAccelerationClicked(final ActionEvent event)
 142         {
 143                 if (data != null && data.getObject() instanceof Agent)
 144                         ((Agent) data.getObject()).setShowAcceleration(showAccelerationCheckBox.isSelected());
 145         }
 146 }