gov/nasa/worldwind/SelectEvent.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;
   8
   9 import java.util.*;
  10 import java.awt.event.*;
  11 import java.awt.*;
  12
  13 /**
  14  * @author tag
  15  * @version $Id: SelectEvent.java 2150 2007-06-26 07:40:58Z tgaskins $
  16  */
  17 public class SelectEvent extends EventObject
  18 {
  19     public static final String LEFT_CLICK = "gov.nasa.worldwind.SelectEvent.LeftClick";
  20     public static final String LEFT_DOUBLE_CLICK = "gov.nasa.worldwind.SelectEvent.LeftDoubleClick";
  21     public static final String RIGHT_CLICK =  "gov.nasa.worldwind.SelectEvent.RightClick";
  22     public static final String HOVER =  "gov.nasa.worldwind.SelectEvent.Hover";
  23     public static final String ROLLOVER =  "gov.nasa.worldwind.SelectEvent.Rollover";
  24     public static final String DRAG =  "gov.nasa.worldwind.SelectEvent.Drag";
  25     public static final String DRAG_END =  "gov.nasa.worldwind.SelectEvent.DragEnd";
  26
  27     private final String eventAction;
  28     private final java.awt.Point pickPoint;
  29     private final MouseEvent mouseEvent;
  30     private final PickedObjectList pickedObjects;
  31
  32     public SelectEvent(Object source, String eventAction, MouseEvent mouseEvent, PickedObjectList pickedObjects)
  33     {
  34         super(source);
  35         this.eventAction = eventAction;
  36         this.pickPoint = mouseEvent != null ? mouseEvent.getPoint() : null;
  37         this.mouseEvent = mouseEvent;
  38         this.pickedObjects = pickedObjects;
  39     }
  40
  41     public SelectEvent(Object source, String eventAction, java.awt.Point pickPoint, PickedObjectList pickedObjects)
  42     {
  43         super(source);
  44         this.eventAction = eventAction;
  45         this.pickPoint = pickPoint;
  46         this.mouseEvent = null;
  47         this.pickedObjects = pickedObjects;
  48     }
  49
  50     public String getEventAction()
  51     {
  52         return this.eventAction != null ? this.eventAction : "gov.nasa.worldwind.SelectEvent.UnknownEventAction";
  53     }
  54
  55     public Point getPickPoint()
  56     {
  57         return pickPoint;
  58     }
  59
  60     public MouseEvent getMouseEvent()
  61     {
  62         return mouseEvent;
  63     }
  64
  65     public boolean hasObjects()
  66     {
  67         return this.pickedObjects != null && this.pickedObjects.size() > 0;
  68     }
  69
  70     public PickedObjectList getObjects()
  71     {
  72         return this.pickedObjects;
  73     }
  74
  75     public PickedObject getTopPickedObject()
  76     {
  77         return this.hasObjects() ? this.pickedObjects.getTopPickedObject() : null;
  78     }
  79
  80     public Object getTopObject()
  81     {
  82         PickedObject tpo = this.getTopPickedObject();
  83         return tpo != null ? tpo.getObject() : null;
  84     }
  85
  86     @Override
  87     public String toString()
  88     {
  89         return this.getClass().getName() + " "
  90             + this.eventAction != null ? this.eventAction : WorldWind.retrieveErrMsg("generic.unknown");
  91     }
  92 }