001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/graphics/Selector.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043
044 package org.deegree.graphics;
045
046 import org.deegree.model.spatialschema.Envelope;
047 import org.deegree.model.spatialschema.Position;
048
049 /**
050 *
051 * <p>
052 * ------------------------------------------------------------------------
053 * </p>
054 *
055 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
056 * @version $Revision: 9340 $ $Date: 2007-12-27 13:32:12 +0100 (Do, 27 Dez 2007) $
057 */
058 public interface Selector {
059
060 /**
061 * adds a Theme to the Selector that shall be notified if something happens.
062 */
063 void addTheme( Theme theme );
064
065 /**
066 * @see Selector#addTheme(Theme)
067 */
068 void removeTheme( Theme theme );
069
070 /**
071 * selects all features (display elements) that are located within the submitted bounding box.
072 *
073 * @return ids of the selected features (display elements)
074 */
075 String[] select( Envelope boundingbox );
076
077 /**
078 * selects all features (display elements) that intersects the submitted point. if a feature is
079 * already selected it remains selected.
080 *
081 * @return ids of the selected features (display elements)
082 */
083 String[] select( Position position );
084
085 /**
086 * selects all features (display elements) that are located within the circle described by the
087 * position and the radius. if a feature is already selected it remains selected.
088 *
089 * @return ids of the selected features (display elements)
090 */
091 String[] select( Position position, double radius );
092
093 /**
094 * selects all features (display elements) that are specified by the submitted ids. if a feature
095 * is already selected it remains selected.
096 *
097 * @return ids of the selected features (display elements)
098 */
099 String[] select( String[] ids );
100
101 /**
102 * invertes the current selection.
103 */
104 String[] invertSelection();
105
106 /**
107 * marks all features as unselected
108 */
109 void reset();
110
111 }