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 }