gov/nasa/worldwind/layers/IconLayer.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.layers;
   8
   9 import gov.nasa.worldwind.*;
  10 import gov.nasa.worldwind.geom.*;
  11
  12 /**
  13  * @author tag
  14  * @version $Id$
  15  */
  16 public class IconLayer extends AbstractLayer
  17 {
  18     private final java.util.Collection<WWIcon> icons = new java.util.ArrayList<WWIcon>();
  19     private java.util.Iterator<WWIcon> iconIterator;
  20     private IconRenderer iconRenderer = new IconRenderer();
  21     private Pedestal pedestal;
  22
  23     public IconLayer()
  24     {
  25     }
  26
  27     public void setIcons(java.util.Iterator<WWIcon> iconIterator)
  28     {
  29         this.iconIterator = iconIterator;
  30     }
  31
  32     public void addIcon(WWIcon icon)
  33     {
  34         if (icon == null)
  35         {
  36             String msg = WorldWind.retrieveErrMsg("nullValue.Icon");
  37             WorldWind.logger().log(java.util.logging.Level.FINE, msg);
  38             throw new IllegalArgumentException(msg);
  39         }
  40
  41         this.icons.add(icon);
  42     }
  43
  44     public void removeIcon(WWIcon icon)
  45     {
  46         if (icon == null)
  47         {
  48             String msg = WorldWind.retrieveErrMsg("nullValue.Icon");
  49             WorldWind.logger().log(java.util.logging.Level.FINE, msg);
  50             throw new IllegalArgumentException(msg);
  51         }
  52
  53         this.icons.remove(icon);
  54     }
  55
  56     public java.util.Collection<WWIcon> getIcons()
  57     {
  58         return this.icons;
  59     }
  60
  61     public void dispose()
  62     {
  63         this.iconRenderer.dispose();
  64     }
  65
  66     public Pedestal getPedestal()
  67     {
  68         return pedestal;
  69     }
  70
  71     public void setPedestal(Pedestal pedestal)
  72     {
  73         this.pedestal = pedestal;
  74     }
  75
  76     @Override
  77     protected void doPick(DrawContext dc, java.awt.Point pickPoint)
  78     {
  79         if (this.iconIterator == null)
  80             this.iconIterator = this.icons.iterator();
  81
  82         this.iconRenderer.setPedestal(this.pedestal);
  83         this.iconRenderer.pick(dc, this.iconIterator, pickPoint, this);
  84
  85         this.iconIterator = null;
  86     }
  87
  88     @Override
  89     protected void doRender(DrawContext dc)
  90     {
  91         if (this.iconIterator == null)
  92             this.iconIterator = this.icons.iterator();
  93
  94         this.iconRenderer.setPedestal(this.pedestal);
  95         this.iconRenderer.render(dc, this.iconIterator);
  96
  97         this.iconIterator = null;
  98     }
  99
 100     @Override
 101     public String toString()
 102     {
 103         return WorldWind.retrieveErrMsg("layers.IconLayer.Name");
 104     }
 105 }