org.placelab.demo.mapview
Class RegionOverlay

java.lang.Object
  org.placelab.demo.mapview.MapViewOverlay
      org.placelab.demo.mapview.RegionOverlay

public class RegionOverlay

extends MapViewOverlay

A region overlay displays {#link RegionBacking} objects on a {#link MapView}. It also allows the regions to be manipulated by the user through the viewport.

Field Summary

Fields inherited from class org.placelab.demo.mapview.MapViewOverlay

FILTER_TIME, glyphs, holder, isVisible, view

Constructor Summary

RegionOverlay(MapView view)

Method Summary

void	addRegion(RegionBacking region)
void	addRegions(java.util.Hashtable regions)
java.lang.String	getName() Returns the name that is displayed in menus and so forth referring to this overlay.
Glyph	getTopGlyph() Returns the top glyph in this overlay
void	mapChanged(MapBacking newMap) When the mapview has its maps switched, this callback is given to allow the overlay to update its data for the new map.

Methods inherited from class org.placelab.demo.mapview.MapViewOverlay

dispose, getSuggestedArea, isVisible, mapZoomed, moveAbove, setVisible

Methods inherited from class java.lang.Object

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

Constructor Detail

RegionOverlay

public RegionOverlay(MapView view)

Method Detail

mapChanged

public void mapChanged(MapBacking newMap)

Description copied from class: MapViewOverlay

When the mapview has its maps switched, this callback is given to allow the overlay to update its data for the new map.

Specified by:

mapChanged in class MapViewOverlay

addRegion

public void addRegion(RegionBacking region)

addRegions

public void addRegions(java.util.Hashtable regions)

getTopGlyph

public Glyph getTopGlyph()

Description copied from class: MapViewOverlay

Returns the top glyph in this overlay

Specified by:

getTopGlyph in class MapViewOverlay

getName

public java.lang.String getName()

Description copied from class: MapViewOverlay

Returns the name that is displayed in menus and so forth referring to this overlay. In this way, applications using mapviews can build menus that allow toggling of overlays in a generic fashion.

Specified by:

getName in class MapViewOverlay