/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.graphics.displayelements;
import java.io.Serializable;
import org.deegree.model.feature.Feature;
/**
* Basic interface of all display elements. A <tt>DisplayElement</tt> is
* associated to one feature that may have a geometry property or not
* (usually it has).
* <p>
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author <a href="mailto:mschneider@lat-lon.de">Markus Schneider</a>
* @version $Revision: 1.7 $ $Date: 2006/07/12 14:46:16 $
*/
abstract class AbstractDisplayElement implements DisplayElement, Serializable {
/** Use serialVersionUID for interoperability. */
private final static long serialVersionUID = 1226236249388451855L;
protected Feature feature = null;
private boolean highlighted = false;
private boolean selected = false;
/**
*
*/
AbstractDisplayElement() {
}
/**
*
*
* @param feature
*/
AbstractDisplayElement( Feature feature ) {
if ( feature != null ) {
setFeature( feature );
}
}
/**
* Returns the associated <tt>Feature</tt>.
*
*/
public Feature getFeature() {
return feature;
}
/**
* sets the feature encapsulated by a DisplayElement
* @param feature
*/
public void setFeature( Feature feature ) {
this.feature = new ScaledFeature( feature, -1 );
}
/**
* returns the id of the feature that's associated with the
* DisplayElement
*/
public String getAssociateFeatureId() {
return feature.getId();
}
/**
* marks a <tt>DisplayElement</tt> as selected or not
*
*/
public void setSelected( boolean selected ) {
this.selected = selected;
}
/**
* returns if the <tt>DisplayElement</tt> is selected or not
*
*/
public boolean isSelected() {
return selected;
}
/**
* marks the <tt>DisplayElement</tt> as highlighted or not
*
*/
public void setHighlighted( boolean highlighted ) {
this.highlighted = highlighted;
}
/**
* returns if the <tt>DisplayElement</tt> is highlighted or not.
*
*/
public boolean isHighlighted() {
return highlighted;
}
/**
* Returns if the <tt>DisplayElement</tt> should be painted at the
* current scale or not.
*/
public boolean doesScaleConstraintApply( double scale ) {
return true;
}
}/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: AbstractDisplayElement.java,v $
Revision 1.7 2006/07/12 14:46:16 poth
comment footer added
********************************************************************** */