org.deegree.graphics.displayelements
Interface DisplayElement

All Known Subinterfaces:

GeometryDisplayElement, LabelDisplayElement, LineStringDisplayElement, LocalizedDisplayElement, MapDiagram, PointDisplayElement, PolygonDisplayElement, RasterDisplayElement

All Known Implementing Classes:

DisplayElement_Impl, GeometryDisplayElement_Impl, LabelDisplayElement_Impl, LineStringDisplayElement_Impl, LocalizedDisplayElement_Impl, MapDiagram_Impl, PointDisplayElement_Impl, PolygonDisplayElement_Impl, RasterDisplayElement_Impl

public interface DisplayElement

Basic interface of all display elements. A DisplayElement is associated to one feature that may have a geometry property or not (usually it has).

Version:

$Revision: 1.6 $ $Date: 2004/02/09 07:57:01 $

Author:

Andreas Poth, Markus Schneider

Method Summary

boolean	doesScaleConstraintApply(double scale) Returns if the DisplayElement should be painted at the current scale or not.
java.lang.String	getAssociateFeatureId() returns the id of thr feature that's associated with the DisplayElement
Feature	getFeature() Returns the associated Feature.
boolean	isHighlighted() returns if the DisplayElement is highlighted or not.
boolean	isSelected() returns if the DisplayElement is selected or not
void	paint(java.awt.Graphics g, GeoTransform projection) renders the DisplayElement to the submitted graphic context
void	setHighlighted(boolean highlighted) marks the DisplayElement as highlighted or not
void	setSelected(boolean selected) marks a DisplayElement as selected or not

Method Detail

getFeature

public Feature getFeature()

Returns the associated Feature.

getAssociateFeatureId

public java.lang.String getAssociateFeatureId()

returns the id of thr feature that's associated with the DisplayElement

paint

public void paint(java.awt.Graphics g,
                  GeoTransform projection)

renders the DisplayElement to the submitted graphic context

setSelected

public void setSelected(boolean selected)

marks a DisplayElement as selected or not

isSelected

public boolean isSelected()

returns if the DisplayElement is selected or not

setHighlighted

public void setHighlighted(boolean highlighted)

marks the DisplayElement as highlighted or not

isHighlighted

public boolean isHighlighted()

returns if the DisplayElement is highlighted or not.

doesScaleConstraintApply

public boolean doesScaleConstraintApply(double scale)

Returns if the DisplayElement should be painted at the current scale or not.