    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/portlet/modules/map/actions/portlets/OverviewPortletPerform.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    package org.deegree.portal.portlet.modules.map.actions.portlets;
    037
    038    import javax.servlet.ServletContext;
    039    import javax.servlet.http.HttpServletRequest;
    040
    041    import org.apache.jetspeed.portal.Portlet;
    042    import org.deegree.framework.util.StringTools;
    043    import org.deegree.model.spatialschema.GeometryFactory;
    044    import org.deegree.model.spatialschema.Point;
    045    import org.deegree.portal.PortalException;
    046    import org.deegree.portal.context.ViewContext;
    047    import org.deegree.portal.portlet.modules.actions.IGeoPortalPortletPerform;
    048
    049    /**
    050     * handles actions performed on a map overview
    051     *
    052     *
    053     * @version $Revision: 18195 $
    054     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
    055     * @author last edited by: $Author: mschneider $
    056     *
    057     * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    058     *
    059     * @since 2.0
    060     */
    061    public class OverviewPortletPerform extends IGeoPortalPortletPerform {
    062
    063        protected static String PARAM_OVRECTCOLOR = "rectColor";
    064
    065        protected static String PARAM_OVWIDTH = "width";
    066
    067        protected static String PARAM_OVHEIGHT = "height";
    068
    069        protected static String PARAM_OVTITLE = "title";
    070
    071        protected static String PARAM_OVFOOTER = "footer";
    072
    073        protected static String PARAM_OVSRC = "imageSource";
    074
    075        /**
    076         *
    077         * @param request
    078         * @param portlet
    079         * @param sc
    080         */
    081        public OverviewPortletPerform( HttpServletRequest request, Portlet portlet, ServletContext sc ) {
    082            super( request, portlet, sc );
    083        }
    084
    085        @Override
    086        public void buildNormalContext()
    087                                throws PortalException {
    088            super.buildNormalContext();
    089
    090            ViewContext vc = getCurrentViewContext( getInitParam( INIT_MAPPORTLETID ) );
    091
    092            // static bbox of the map overview
    093            double[] bbox = null;
    094
    095            Point[] env = null;
    096            String crs = "";
    097            if ( vc != null ) {
    098                env = vc.getGeneral().getBoundingBox();
    099                crs = env[0].getCoordinateSystem().getPrefixedName();
    100                String tmp = getInitParam( crs + ':' + PARAM_BBOX );
    101                if ( tmp == null ) {
    102                    tmp = getInitParam( PARAM_BBOX );
    103                }
    104                bbox = StringTools.toArrayDouble( tmp, "," );
    105            } else {
    106                String tmp = getInitParam( PARAM_BBOX );
    107                bbox = StringTools.toArrayDouble( tmp, "," );
    108                // use overviews bbox if no map model is available
    109                env = new Point[2];
    110                env[0] = GeometryFactory.createPoint( bbox[0], bbox[1], null );
    111                env[1] = GeometryFactory.createPoint( bbox[2], bbox[3], null );
    112            }
    113
    114            String rectColor = getInitParam( PARAM_OVRECTCOLOR );
    115            if ( rectColor == null ) {
    116                // default color = red
    117                rectColor = "#FF0000";
    118            }
    119            String tmp = getInitParam( PARAM_OVWIDTH );
    120            if ( tmp == null ) {
    121                tmp = "150";
    122            }
    123            int width = new Integer( tmp );
    124            tmp = getInitParam( PARAM_OVHEIGHT );
    125            if ( tmp == null ) {
    126                tmp = "150";
    127            }
    128            int height = new Integer( tmp );
    129            String title = getInitParam( PARAM_OVTITLE );
    130            String footer = getInitParam( PARAM_OVFOOTER );
    131            String src = getInitParam( crs + ':' + PARAM_OVSRC );
    132            if ( src == null ) {
    133                src = getInitParam( PARAM_OVSRC );
    134            }
    135            request.setAttribute( "TITLE", title );
    136            request.setAttribute( "FOOTER", footer );
    137            request.setAttribute( "RECTCOLOR", rectColor );
    138            request.setAttribute( "WIDTH", width );
    139            request.setAttribute( "HEIGHT", height );
    140            request.setAttribute( "SRC", src );
    141            request.setAttribute( "MINX", bbox[0] );
    142            request.setAttribute( "MINY", bbox[1] );
    143            request.setAttribute( "MAXX", bbox[2] );
    144            request.setAttribute( "MAXY", bbox[3] );
    145            request.setAttribute( "VIEWMINX", env[0].getX() );
    146            request.setAttribute( "VIEWMINY", env[0].getY() );
    147            request.setAttribute( "VIEWMAXX", env[1].getX() );
    148            request.setAttribute( "VIEWMAXY", env[1].getY() );
    149        }
    150
    151    }