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.layers.*;
  11 import gov.nasa.worldwind.awt.*;
  12 import worldwinddemo.*;
  13
  14 import javax.swing.*;
  15 import java.awt.*;
  16
  17 /**
  18  * Provides a base application framework for simple WorldWind examples. Although this class will run stand-alone, it is
  19  * not meant to be used that way. But it has a main method to show how a derived class would call it.
  20  *
  21  * @version $Id: ApplicationTemplate.java 2067 2007-06-16 06:25:23Z tgaskins $
  22  */
  23 public class ApplicationTemplate
  24 {
  25     protected static class AppFrame extends JFrame
  26     {
  27         private Dimension canvasSize = new Dimension(800, 600);
  28
  29         protected WorldWindowGLCanvas wwd;
  30         protected StatusBar statusBar;
  31         protected LayerPanel layerPanel;
  32
  33         public AppFrame()
  34         {
  35             // Create the WorldWindow.
  36             wwd = new WorldWindowGLCanvas();
  37             wwd.setPreferredSize(canvasSize);
  38
  39             // Create the default model as described in the current worldwind properties.
  40             Model m = (Model) WorldWind.createConfigurationComponent(AVKey.MODEL_CLASS_NAME);
  41             wwd.setModel(m);
  42
  43             // Create a status bar to display the cursor position.
  44             this.statusBar = new StatusBar();
  45
  46             // Create a panel to manage the layers.
  47             this.layerPanel = new LayerPanel(wwd, new Dimension(250, canvasSize.height));
  48
  49             // Create a container to hold the world window with the status bar centered below it.
  50             JPanel mainPanel = new JPanel(new BorderLayout());
  51             mainPanel.add(wwd, BorderLayout.CENTER);
  52             mainPanel.add(statusBar, BorderLayout.PAGE_END);
  53
  54             // Put the pieces together.
  55             this.getContentPane().add(mainPanel, BorderLayout.CENTER);
  56             this.getContentPane().add(this.layerPanel, BorderLayout.WEST);
  57             this.pack();
  58
  59             // Center the application on the screen.
  60             Dimension prefSize = this.getPreferredSize();
  61             Dimension parentSize;
  62             java.awt.Point parentLocation = new java.awt.Point(0, 0);
  63             parentSize = Toolkit.getDefaultToolkit().getScreenSize();
  64             int x = parentLocation.x + (parentSize.width - prefSize.width) / 2;
  65             int y = parentLocation.y + (parentSize.height - prefSize.height) / 2;
  66             this.setLocation(x, y);
  67             this.setResizable(true);
  68
  69             // Forward events to the status bar to display the cursor position.
  70             this.statusBar.setEventSource(wwd);
  71         }
  72     }
  73
  74     public static void insertBeforeCompass(WorldWindow wwd, Layer layer)
  75     {
  76         // Insert the layer into the layer list just before the compass.
  77         int compassPosition = 0;
  78         LayerList layers = wwd.getModel().getLayers();
  79         for (Layer l : layers)
  80         {
  81             if (l instanceof CompassLayer)
  82                 compassPosition = layers.indexOf(l);
  83         }
  84         layers.add(compassPosition, layer);
  85     }
  86
  87     public static void insertBeforePlacenames(WorldWindow wwd, Layer layer)
  88     {
  89         // Insert the layer into the layer list just before the placenames.
  90         int compassPosition = 0;
  91         LayerList layers = wwd.getModel().getLayers();
  92         for (Layer l : layers)
  93         {
  94             if (l instanceof PlaceNameLayer)
  95                 compassPosition = layers.indexOf(l);
  96         }
  97         layers.add(compassPosition, layer);
  98     }
  99
 100     static
 101     {
 102         if (Configuration.isMacOS())
 103         {
 104             System.setProperty("apple.laf.useScreenMenuBar", "true");
 105             System.setProperty("com.apple.mrj.application.apple.menu.about.name", "World Wind Application");
 106             System.setProperty("com.apple.mrj.application.growbox.intrudes", "false");
 107         }
 108     }
 109
 110     public static void start(String appName, Class appFrameClass)
 111     {
 112         if (Configuration.isMacOS() && appName != null)
 113         {
 114             System.setProperty("com.apple.mrj.application.apple.menu.about.name", appName);
 115         }
 116
 117         try
 118         {
 119             AppFrame frame = (AppFrame) appFrameClass.newInstance();
 120             frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 121             frame.setVisible(true);
 122         }
 123         catch (Exception e)
 124         {
 125             e.printStackTrace();
 126         }
 127     }
 128
 129     public static void main(String[] args)
 130     {
 131         // Call the static start method like this from the main method of your derived class.
 132         // Substitute your application's name for the first argument.
 133         ApplicationTemplate.start("World Wind Application Template", AppFrame.class);
 134     }
 135 }