gov/nasa/worldwind/event/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.event;
   8
   9 import gov.nasa.worldwind.pick.*;
  10 import gov.nasa.worldwind.util.Logging;
  11
  12 import java.awt.*;
  13 import java.awt.event.*;
  14 import java.util.EventObject;
  15
  16 /**
  17  * @author tag
  18  * @version $Id: SelectEvent.java 2471 2007-07-31 21:50:57Z tgaskins $
  19  */
  20 public class SelectEvent extends EventObject
  21 {
  22     public static final String LEFT_CLICK = "gov.nasa.worldwind.SelectEvent.LeftClick";
  23     public static final String LEFT_DOUBLE_CLICK = "gov.nasa.worldwind.SelectEvent.LeftDoubleClick";
  24     public static final String RIGHT_CLICK =  "gov.nasa.worldwind.SelectEvent.RightClick";
  25     public static final String LEFT_PRESS = "gov.nasa.worldwind.SelectEvent.LeftPress";
  26     public static final String RIGHT_PRESS = "gov.nasa.worldwind.SelectEvent.RightPress";
  27     public static final String HOVER =  "gov.nasa.worldwind.SelectEvent.Hover";
  28     public static final String ROLLOVER =  "gov.nasa.worldwind.SelectEvent.Rollover";
  29     public static final String DRAG =  "gov.nasa.worldwind.SelectEvent.Drag";
  30     public static final String DRAG_END =  "gov.nasa.worldwind.SelectEvent.DragEnd";
  31
  32     private final String eventAction;
  33     private final java.awt.Point pickPoint;
  34     private final MouseEvent mouseEvent;
  35     private final PickedObjectList pickedObjects;
  36
  37     public SelectEvent(Object source, String eventAction, MouseEvent mouseEvent, PickedObjectList pickedObjects)
  38     {
  39         super(source);
  40         this.eventAction = eventAction;
  41         this.pickPoint = mouseEvent != null ? mouseEvent.getPoint() : null;
  42         this.mouseEvent = mouseEvent;
  43         this.pickedObjects = pickedObjects;
  44     }
  45
  46     public SelectEvent(Object source, String eventAction, java.awt.Point pickPoint, PickedObjectList pickedObjects)
  47     {
  48         super(source);
  49         this.eventAction = eventAction;
  50         this.pickPoint = pickPoint;
  51         this.mouseEvent = null;
  52         this.pickedObjects = pickedObjects;
  53     }
  54
  55     public String getEventAction()
  56     {
  57         return this.eventAction != null ? this.eventAction : "gov.nasa.worldwind.SelectEvent.UnknownEventAction";
  58     }
  59
  60     public Point getPickPoint()
  61     {
  62         return pickPoint;
  63     }
  64
  65     public MouseEvent getMouseEvent()
  66     {
  67         return mouseEvent;
  68     }
  69
  70     public boolean hasObjects()
  71     {
  72         return this.pickedObjects != null && this.pickedObjects.size() > 0;
  73     }
  74
  75     public PickedObjectList getObjects()
  76     {
  77         return this.pickedObjects;
  78     }
  79
  80     public PickedObject getTopPickedObject()
  81     {
  82         return this.hasObjects() ? this.pickedObjects.getTopPickedObject() : null;
  83     }
  84
  85     public Object getTopObject()
  86     {
  87         PickedObject tpo = this.getTopPickedObject();
  88         return tpo != null ? tpo.getObject() : null;
  89     }
  90
  91     @Override
  92     public String toString()
  93     {
  94         return this.getClass().getName() + " "
  95             + this.eventAction != null ? this.eventAction : Logging.getMessage("generic.Unknown");
  96     }
  97 }