001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/graphics/Selector.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036
037 package org.deegree.graphics;
038
039 import org.deegree.model.spatialschema.Envelope;
040 import org.deegree.model.spatialschema.Position;
041
042 /**
043 *
044 * <p>
045 * ------------------------------------------------------------------------
046 * </p>
047 *
048 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
049 * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
050 */
051 public interface Selector {
052
053 /**
054 * adds a Theme to the Selector that shall be notified if something happens.
055 * @param theme to add.
056 */
057 void addTheme( Theme theme );
058
059 /**
060 * @param theme to be removed
061 * @see Selector#addTheme(Theme)
062 */
063 void removeTheme( Theme theme );
064
065 /**
066 * selects all features (display elements) that are located within the submitted bounding box.
067 * @param boundingbox to select all features within
068 *
069 * @return id's of the selected features (display elements)
070 */
071 String[] select( Envelope boundingbox );
072
073 /**
074 * selects all features (display elements) that intersects the submitted point. if a feature is
075 * already selected it remains selected.
076 * @param position to select the features with.
077 *
078 * @return id's of the selected features (display elements)
079 */
080 String[] select( Position position );
081
082 /**
083 * selects all features (display elements) that are located within the circle described by the
084 * position and the radius. if a feature is already selected it remains selected.
085 * @param position to select al features
086 * @param radius around the given position
087 *
088 * @return id's of the selected features (display elements)
089 */
090 String[] select( Position position, double radius );
091
092 /**
093 * selects all features (display elements) that are specified by the submitted ids. if a feature
094 * is already selected it remains selected.
095 * @param ids to select
096 *
097 * @return ids of the selected features (display elements)
098 */
099 String[] select( String[] ids );
100
101 /**
102 * inverts the current selection.
103 * @return the id's of the inverted selection
104 */
105 String[] invertSelection();
106
107 /**
108 * mark all features as unselected
109 */
110 void reset();
111
112 }