gov/nasa/worldwind/examples/ApplicationTemplate.java

   1 /*
   2 Copyright (C) 2001, 2006 United States Government
   3 as represented by the Administrator of the
   4 National Aeronautics and Space Administration.
   5 All Rights Reserved.
   6 */
   7 package gov.nasa.worldwind.examples;
   8
   9 import gov.nasa.worldwind.*;
  10 import gov.nasa.worldwind.event.*;
  11 import gov.nasa.worldwind.avlist.AVKey;
  12 import gov.nasa.worldwind.awt.WorldWindowGLCanvas;
  13 import gov.nasa.worldwind.layers.*;
  14 import gov.nasa.worldwind.layers.placename.PlaceNameLayer;
  15
  16 import javax.swing.*;
  17 import java.awt.*;
  18
  19 /**
  20  * Provides a base application framework for simple WorldWind examples. Although this class will run stand-alone, it is
  21  * not meant to be used that way. But it has a main method to show how a derived class would call it.
  22  *
  23  * @version $Id: ApplicationTemplate.java 2532 2007-08-13 05:08:11Z tgaskins $
  24  */
  25 public class ApplicationTemplate
  26 {
  27     protected static class AppFrame extends JFrame
  28     {
  29         private Dimension canvasSize = new Dimension(800, 600);
  30
  31         protected WorldWindowGLCanvas wwd;
  32         protected StatusBar statusBar;
  33         protected LayerPanel layerPanel;
  34         protected StatisticsPanel statsPanel;
  35
  36         public AppFrame()
  37         {
  38             this.initialize(true, true, false);
  39         }
  40
  41         public AppFrame(boolean includeStatusBar, boolean includeLayerPanel, boolean includeStatsPanel)
  42         {
  43             this.initialize(includeStatusBar, includeLayerPanel, includeStatsPanel);
  44         }
  45
  46         private void initialize(boolean includeStatusBar, boolean includeLayerPanel, boolean includeStatsPanel)
  47         {
  48             // Create the WorldWindow.
  49             wwd = new WorldWindowGLCanvas();
  50             wwd.setPreferredSize(canvasSize);
  51
  52             // Create the default model as described in the current worldwind properties.
  53             Model m = (Model) WorldWind.createConfigurationComponent(AVKey.MODEL_CLASS_NAME);
  54             wwd.setModel(m);
  55
  56             // Create a container to hold the world window with the status bar centered below it.
  57             JPanel mainPanel = new JPanel(new BorderLayout());
  58             mainPanel.add(wwd, BorderLayout.CENTER);
  59             if (includeStatusBar)
  60             {
  61                 this.statusBar = new StatusBar();
  62                 mainPanel.add(statusBar, BorderLayout.PAGE_END);
  63             }
  64
  65             // Put the pieces together.
  66             this.getContentPane().add(mainPanel, BorderLayout.CENTER);
  67             if (includeLayerPanel)
  68             {
  69                 this.layerPanel = new LayerPanel(wwd, new Dimension(250, canvasSize.height));
  70                 this.getContentPane().add(this.layerPanel, BorderLayout.WEST);
  71             }
  72             if (includeStatsPanel)
  73             {
  74                 this.statsPanel = new StatisticsPanel(wwd, new Dimension(250, canvasSize.height));
  75                 this.getContentPane().add(this.statsPanel, BorderLayout.EAST);
  76                 this.wwd.addRenderingListener(new RenderingListener()
  77                 {
  78                     public void stageChanged(RenderingEvent event)
  79                     {
  80                         if (event.getSource() instanceof WorldWindow)
  81                         {
  82                             statsPanel.update(wwd);
  83                         }
  84                     }
  85                 });
  86             }
  87             this.pack();
  88
  89             // Center the application on the screen.
  90             Dimension prefSize = this.getPreferredSize();
  91             Dimension parentSize;
  92             java.awt.Point parentLocation = new java.awt.Point(0, 0);
  93             parentSize = Toolkit.getDefaultToolkit().getScreenSize();
  94             int x = parentLocation.x + (parentSize.width - prefSize.width) / 2;
  95             int y = parentLocation.y + (parentSize.height - prefSize.height) / 2;
  96             this.setLocation(x, y);
  97             this.setResizable(true);
  98
  99             // Forward events to the status bar to display the cursor position.
 100             if (includeStatusBar)
 101                 this.statusBar.setEventSource(wwd);
 102         }
 103     }
 104
 105     public static void insertBeforeCompass(WorldWindow wwd, Layer layer)
 106     {
 107         // Insert the layer into the layer list just before the compass.
 108         int compassPosition = 0;
 109         LayerList layers = wwd.getModel().getLayers();
 110         for (Layer l : layers)
 111         {
 112             if (l instanceof CompassLayer)
 113                 compassPosition = layers.indexOf(l);
 114         }
 115         layers.add(compassPosition, layer);
 116     }
 117
 118     public static void insertBeforePlacenames(WorldWindow wwd, Layer layer)
 119     {
 120         // Insert the layer into the layer list just before the placenames.
 121         int compassPosition = 0;
 122         LayerList layers = wwd.getModel().getLayers();
 123         for (Layer l : layers)
 124         {
 125             if (l instanceof PlaceNameLayer)
 126                 compassPosition = layers.indexOf(l);
 127         }
 128         layers.add(compassPosition, layer);
 129     }
 130
 131     static
 132     {
 133         if (Configuration.isMacOS())
 134         {
 135             System.setProperty("apple.laf.useScreenMenuBar", "true");
 136             System.setProperty("com.apple.mrj.application.apple.menu.about.name", "World Wind Application");
 137             System.setProperty("com.apple.mrj.application.growbox.intrudes", "false");
 138         }
 139     }
 140
 141     public static void start(String appName, Class appFrameClass)
 142     {
 143         if (Configuration.isMacOS() && appName != null)
 144         {
 145             System.setProperty("com.apple.mrj.application.apple.menu.about.name", appName);
 146         }
 147
 148         try
 149         {
 150             AppFrame frame = (AppFrame) appFrameClass.newInstance();
 151             frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 152             frame.setVisible(true);
 153         }
 154         catch (Exception e)
 155         {
 156             e.printStackTrace();
 157         }
 158     }
 159
 160     public static void main(String[] args)
 161     {
 162         // Call the static start method like this from the main method of your derived class.
 163         // Substitute your application's name for the first argument.
 164         ApplicationTemplate.start("World Wind Application Template", AppFrame.class);
 165     }
 166 }