gov.nasa.worldwind.util

Class AbstractHotSpot

java.lang.Object

gov.nasa.worldwind.avlist.AVListImpl

gov.nasa.worldwind.util.AbstractHotSpot

All Implemented Interfaces:

AVList, SelectListener, HotSpot, java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener

Direct Known Subclasses:

AbstractResizeHotSpot, TreeHotSpot

public abstract class AbstractHotSpot
extends AVListImpl
implements HotSpot

AbstractHotSpot is an abstract base class for the HotSpot interface. The methods in AbstractHotSpot are empty or simply return null. This is a convenience class for that enables a subclass to override only the events its interested in.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	active Indicates whether or not this HotSpot is active.

Constructor Summary

Constructors

Constructor and Description
AbstractHotSpot() Creates a new AbstractHotSpot, but otherwise does nothing.

Method Summary

Modifier and Type	Method and Description
java.awt.Cursor	getCursor() Returns a null Cursor, indicating the default cursor should be used when the HotSpot is active.
boolean	isActive() Indicates whether or not this HotSpot is active.
protected boolean	isConsumed(SelectEvent event) Determine if a select event, or the mouse event that generated the select event, has been consumed.
void	keyPressed(java.awt.event.KeyEvent event) Called when a key is pressed and the HotSpot is active.
void	keyReleased(java.awt.event.KeyEvent event) Called when a key is released and the HotSpot is active.
void	keyTyped(java.awt.event.KeyEvent event) Called when a key is typed and the HotSpot is active.
void	mouseClicked(java.awt.event.MouseEvent event) Called when the mouse is clicked on the HotSpot in the WorldWindow.
void	mouseDragged(java.awt.event.MouseEvent event) Called when the mouse is dragged in the WorldWindow and the HotSpot is active.
void	mouseEntered(java.awt.event.MouseEvent event) Called when the mouse enters the WorldWindow and the HotSpot is active.
void	mouseExited(java.awt.event.MouseEvent event) Called when the mouse exits the WorldWindow and the HotSpot is active.
void	mouseMoved(java.awt.event.MouseEvent event) Called when the cursor moves over the HotSpot in the WorldWindow.
void	mousePressed(java.awt.event.MouseEvent event) Called when the mouse is pressed over the HotSpot in the WorldWindow.
void	mouseReleased(java.awt.event.MouseEvent event) Called when the mouse is released over the HotSpot in the WorldWindow.
void	mouseWheelMoved(java.awt.event.MouseWheelEvent event) Called when the mouse wheel is moved in the WorldWindow and HotSpot is active.
void	selected(SelectEvent event) Called when the HotSpot is selected in the WorldWindow.
void	setActive(boolean active) Called when this HotSpot is activated or deactivated.

Methods inherited from class gov.nasa.worldwind.avlist.AVListImpl

addPropertyChangeListener, addPropertyChangeListener, clearList, copy, firePropertyChange, firePropertyChange, getBooleanValue, getBooleanValue, getChangeSupport, getDoubleValue, getDoubleValue, getEntries, getIntegerValue, getIntegerValue, getLongValue, getLongValue, getRestorableStateForAVPair, getStringValue, getStringValue, getStringValue, getValue, getValues, hasKey, removeKey, removePropertyChangeListener, removePropertyChangeListener, setValue, setValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

active

protected boolean active

Indicates whether or not this HotSpot is active.

Constructor Detail

AbstractHotSpot

public AbstractHotSpot()

Creates a new AbstractHotSpot, but otherwise does nothing.

Method Detail

getCursor

public java.awt.Cursor getCursor()

Returns a null Cursor, indicating the default cursor should be used when the HotSpot is active.

Specified by:

getCursor in interface HotSpot

Returns:

A null Cursor.

isActive

public boolean isActive()

Indicates whether or not this HotSpot is active.

Specified by:

isActive in interface HotSpot

Returns:

true if this HotSpot is active, false if not.

isConsumed

protected boolean isConsumed(SelectEvent event)

Determine if a select event, or the mouse event that generated the select event, has been consumed.

Parameters:

event - Event to test.

Returns:

true if event has been consumed, or if event was triggered by a mouse event, and that mouse event has been consumed.

keyPressed

public void keyPressed(java.awt.event.KeyEvent event)

Called when a key is pressed and the HotSpot is active. The default implementation does nothing. Override this method to handle key pressed events.

Specified by:

keyPressed in interface HotSpot

Specified by:

keyPressed in interface java.awt.event.KeyListener

Parameters:

event - The event to handle.

keyReleased

public void keyReleased(java.awt.event.KeyEvent event)

Called when a key is released and the HotSpot is active. The default implementation does nothing. Override this method to handle key released events.

Specified by:

keyReleased in interface HotSpot

Specified by:

keyReleased in interface java.awt.event.KeyListener

Parameters:

event - The event to handle.

keyTyped

public void keyTyped(java.awt.event.KeyEvent event)

Called when a key is typed and the HotSpot is active. The default implementation does nothing. Override this method to handle key typed events.

Specified by:

keyTyped in interface HotSpot

Specified by:

keyTyped in interface java.awt.event.KeyListener

Parameters:

event - The event to handle.

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent event)

Called when the mouse is clicked on the HotSpot in the WorldWindow. The default implementation does nothing. Override this method to handle mouse click events.

Specified by:

mouseClicked in interface HotSpot

Specified by:

mouseClicked in interface java.awt.event.MouseListener

Parameters:

event - The event to handle.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent event)

Called when the mouse is dragged in the WorldWindow and the HotSpot is active. The default implementation does nothing. Override this method to handle mouse dragged events.

Specified by:

mouseDragged in interface HotSpot

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Parameters:

event - The event to handle.

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent event)

Called when the mouse enters the WorldWindow and the HotSpot is active. The default implementation does nothing. Override this method to handle mouse enter events.

Specified by:

mouseEntered in interface HotSpot

Specified by:

mouseEntered in interface java.awt.event.MouseListener

Parameters:

event - The event to handle.

mouseExited

public void mouseExited(java.awt.event.MouseEvent event)

Called when the mouse exits the WorldWindow and the HotSpot is active. The default implementation does nothing. Override this method to handle mouse exit events.

Specified by:

mouseExited in interface HotSpot

Specified by:

mouseExited in interface java.awt.event.MouseListener

Parameters:

event - The event to handle.

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent event)

Called when the cursor moves over the HotSpot in the WorldWindow. The default implementation does nothing. Override this method to handle mouse move events.

Specified by:

mouseMoved in interface HotSpot

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Parameters:

event - The event to handle.

mousePressed

public void mousePressed(java.awt.event.MouseEvent event)

Called when the mouse is pressed over the HotSpot in the WorldWindow. The default implementation does nothing. Override this method to handle mouse pressed events.

Specified by:

mousePressed in interface HotSpot

Specified by:

mousePressed in interface java.awt.event.MouseListener

Parameters:

event - The event to handle.

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent event)

Called when the mouse is released over the HotSpot in the WorldWindow. The default implementation does nothing. Override this method to handle mouse released events.

Specified by:

mouseReleased in interface HotSpot

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Parameters:

event - The event to handle.

mouseWheelMoved

public void mouseWheelMoved(java.awt.event.MouseWheelEvent event)

Called when the mouse wheel is moved in the WorldWindow and HotSpot is active. The default implementation does nothing. Override this method to handle mouse wheel events.

Specified by:

mouseWheelMoved in interface HotSpot

Specified by:

mouseWheelMoved in interface java.awt.event.MouseWheelListener

Parameters:

event - The event to handle.

selected

public void selected(SelectEvent event)

Called when the HotSpot is selected in the WorldWindow. The default implementation does nothing. Override this method to handle select events.

Specified by:

selected in interface SelectListener

Specified by:

selected in interface HotSpot

Parameters:

event - The event to handle.

setActive

public void setActive(boolean active)

Called when this HotSpot is activated or deactivated. The HotSpot only receives input events when it is active.

Specified by:

setActive in interface HotSpot

Parameters:

active - true if this HotSpot is being activated. false if this HotSpot is being deactivated.