TAO/examples/Simulator/DOVEBrowser/WeaponsVisComp.java

   1 //
   2 // = FILENAME
   3 //    WeaponsVisComp.java
   4 //
   5 // = AUTHOR
   6 //    Seth Widoff (core functionality)
   7 //    Michael Kircher (mk1@cs.wustl.edu)
   8 //
   9 // = DESCRIPTION
  10 //   This is a Visualization Component for displaying weapons.
  11 //
  12 // ============================================================================
  13
  14
  15 import java.io.*;
  16 import java.util.*;
  17 import java.awt.*;
  18
  19
  20 public class WeaponsVisComp extends Panel implements VisComp
  21 {
  22   private final static String ONLINE = "Online";
  23   private final static String OFFLINE = "Offline";
  24   private final static Font FONT_BIG = new Font ("Dialog", Font.BOLD, 14);
  25   private final static Font  FONT_SMALL = new Font ("Dialog", Font.BOLD, 10);
  26   private final static Color BLUE = new Color (30, 144, 255);
  27
  28   private int count_ = 0;
  29   private Hashtable weapons_table_ = new Hashtable ();
  30   private GridBagLayout gbl_= new GridBagLayout ();
  31   private GridBagConstraints gbc_ = new GridBagConstraints ();
  32
  33   Label default_label_ = new Label ("No weapons available", Label.CENTER);
  34
  35   public WeaponsVisComp ()
  36     {
  37       default_label_.setFont (FONT_BIG);
  38       default_label_.setForeground (BLUE);
  39
  40       setLayout (gbl_);
  41       gbc_.gridx = 0;
  42       gbc_.gridy = 0;
  43       gbc_.gridheight = 1;
  44       gbc_.gridwidth  = 1;
  45       gbc_.anchor = GridBagConstraints.NORTH;
  46       gbc_.fill = GridBagConstraints.NONE;
  47       setBackground (Color.black);
  48
  49       gbl_.setConstraints (default_label_, gbc_);
  50       add (default_label_);
  51     }
  52
  53   public void setName (String title) {
  54   }
  55
  56   public int getProperty () {
  57     return Properties.WEAPONS;
  58   }
  59
  60   public Dimension getPreferredSize () {
  61     return new Dimension (250, 200);
  62   }
  63
  64   public Dimension getMinimumSize () {
  65     return new Dimension (80, 80);
  66   }
  67
  68   public void update (java.util.Observable observable, java.lang.Object obj) {
  69     Weapons weapons_ = null;
  70     try {
  71       weapons_ = (Weapons) obj;
  72     }
  73     catch (Exception excp) {
  74       System.out.println (excp);
  75       System.out.println ("Visualization Component received wrong data type!");
  76     }
  77     if (weapons_ != null)
  78     {
  79       for (int i = 0; i < weapons_.number_of_weapons && i < 5; i++)
  80         {
  81           String weapon = "";
  82           int status = 0;
  83           switch (i)
  84             {
  85             default:
  86               break;
  87             case 0: weapon = weapons_.weapon1_identifier;
  88               status = weapons_.weapon1_status;
  89               break;
  90             case 1: weapon = weapons_.weapon2_identifier;
  91               status = weapons_.weapon2_status;
  92               break;
  93             case 2: weapon = weapons_.weapon3_identifier;
  94               status = weapons_.weapon3_status;
  95               break;
  96             case 3: weapon = weapons_.weapon4_identifier;
  97               status = weapons_.weapon4_status;
  98               break;
  99             case 4: weapon = weapons_.weapon5_identifier;
 100               status = weapons_.weapon5_status;
 101               break;
 102             }
 103
 104
 105           Label status_label_ = (Label)weapons_table_.get (weapon);
 106
 107           if (status_label_ != null)
 108             status_label_.setText ((status == 1) ? ONLINE : OFFLINE);
 109           else
 110             {
 111               if (count_ == 0)
 112                 this.removeAll ();
 113
 114               count_++;
 115               Label weapon_label_ = new Label (count_ + ". " + weapon, Label.LEFT);
 116               status_label_ = new Label ((status == 1) ? ONLINE : OFFLINE, Label.RIGHT);
 117
 118               status_label_.setFont (FONT_SMALL);
 119               weapon_label_.setFont (FONT_SMALL);
 120               weapon_label_.setForeground (BLUE);
 121
 122               gbc_.gridx = 0;
 123               gbc_.anchor = GridBagConstraints.WEST;
 124               gbl_.setConstraints (weapon_label_, gbc_);
 125               add (weapon_label_);
 126               gbc_.gridx = 1;
 127               gbc_.anchor = GridBagConstraints.EAST;
 128               gbl_.setConstraints (status_label_, gbc_);
 129               add (status_label_);
 130
 131               gbc_.gridy++;
 132               weapons_table_.put (weapon, status_label_);
 133             }
 134
 135           status_label_.setForeground ((status == 1) ?
 136                                       Color.lightGray :
 137                                       Color.darkGray);
 138         }
 139
 140       validate ();
 141     }
 142   }
 143 }