001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/graphics/Selector.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004    This file is part of deegree.
005    Copyright (C) 2001-2006 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    
047    import org.deegree.model.spatialschema.Envelope;
048    import org.deegree.model.spatialschema.Position;
049    
050    /**
051    *
052    * <p>------------------------------------------------------------------------</p>
053    *
054     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
055    * @version $Revision: 6259 $ $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
056    */
057    public interface Selector {
058            
059       /**
060        * adds a Theme to the Selector that shall be notified if something
061        * 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
072        * submitted bounding box.
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
079        * point. if a feature is already selected it remains selected.
080        * @return ids of the selected features (display elements)
081        */
082            String[] select(Position position);
083    
084       /**
085        * selects all features (display elements) that are located within the circle
086        * described by the position and the radius. if a feature is already selected
087        * it remains selected.
088        * @return ids 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
094        * ids. if a feature is already selected it remains selected.
095        * @return ids of the selected features (display elements)
096        */
097        String[] select(String[] ids);
098    
099       /**
100        * invertes the current selection.
101        */
102            String[] invertSelection();
103    
104       /**
105        * marks all features as unselected
106        */
107        void reset();
108    
109    }
110    /* ********************************************************************
111    Changes to this class. What the people have been up to:
112    $Log$
113    Revision 1.6  2006/07/12 14:46:18  poth
114    comment footer added
115    
116    ********************************************************************** */