gov.nasa.worldwind.examples.util
Class ToolTipController

java.lang.Object
  gov.nasa.worldwind.examples.util.ToolTipController

All Implemented Interfaces:

Disposable, SelectListener, EventListener

public class ToolTipController
extends Object
implements SelectListener, Disposable

Controls display of tool tips on picked objects. Any shape implementing AVList can participate. Shapes provide tool tip text in their AVList for either or both of hover and rollover events. The keys associated with the text are specified to the constructor.

Field Summary

protected ToolTipAnnotation	annotation
protected String	hoverKey
protected Object	lastHoverObject
protected Object	lastRolloverObject
protected AnnotationLayer	layer
protected String	rolloverKey
protected WorldWindow	wwd

Constructor Summary

ToolTipController(WorldWindow wwd)
Create a controller for a specified WorldWindow that displays "DISPLAY_NAME" on rollover.

ToolTipController(WorldWindow wwd, String rolloverKey, String hoverKey)
Create a controller for a specified WorldWindow that displays tool tips on hover and/or rollover.

Method Summary

protected void	addLayer(Layer layer)
void	dispose() Disposes of any internal resources allocated by the object.
protected String	getHoverText(SelectEvent event)
protected String	getRolloverText(SelectEvent event)
protected void	handleHover(SelectEvent event)
protected void	handleRollover(SelectEvent event)
protected void	hideToolTip()
protected void	removeLayer(Layer layer)
void	selected(SelectEvent event)
protected void	showToolTip(SelectEvent event, String text)

Methods inherited from class java.lang.Object

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

Field Detail

annotation

protected ToolTipAnnotation annotation

hoverKey

protected String hoverKey

lastHoverObject

protected Object lastHoverObject

lastRolloverObject

protected Object lastRolloverObject

layer

protected AnnotationLayer layer

rolloverKey

protected String rolloverKey

wwd

protected WorldWindow wwd

Constructor Detail

ToolTipController

public ToolTipController(WorldWindow wwd)

Create a controller for a specified WorldWindow that displays "DISPLAY_NAME" on rollover.

Parameters:

wwd - the World Window to monitor.

ToolTipController

public ToolTipController(WorldWindow wwd,
                         String rolloverKey,
                         String hoverKey)

Create a controller for a specified WorldWindow that displays tool tips on hover and/or rollover.

Parameters:

wwd - the World Window to monitor.

rolloverKey - the key to use when looking up tool tip text from the shape's AVList when a rollover event occurs. May be null, in which case a tool tip is not displayed for rollover events.

hoverKey - the key to use when looking up tool tip text from the shape's AVList when a hover event occurs. May be null, in which case a tool tip is not displayed for hover events.

Method Detail

addLayer

protected void addLayer(Layer layer)

dispose

public void dispose()

Description copied from interface: Disposable

Disposes of any internal resources allocated by the object.

Specified by:

dispose in interface Disposable

getHoverText

protected String getHoverText(SelectEvent event)

getRolloverText

protected String getRolloverText(SelectEvent event)

handleHover

protected void handleHover(SelectEvent event)

handleRollover

protected void handleRollover(SelectEvent event)

hideToolTip

protected void hideToolTip()

removeLayer

protected void removeLayer(Layer layer)

selected

public void selected(SelectEvent event)

Specified by:

selected in interface SelectListener

showToolTip

protected void showToolTip(SelectEvent event,
                           String text)