001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/portal/portlet/modules/map/actions/portlets/MapWindowPortletAction.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 java.util.Iterator;
039 import java.util.List;
040
041 import javax.servlet.http.HttpSession;
042
043 import org.apache.jetspeed.modules.actions.portlets.JspPortletAction;
044 import org.apache.jetspeed.om.profile.Controller;
045 import org.apache.jetspeed.om.profile.Entry;
046 import org.apache.jetspeed.om.profile.Portlets;
047 import org.apache.jetspeed.portal.Portlet;
048 import org.apache.jetspeed.portal.PortletConfig;
049 import org.apache.turbine.util.RunData;
050 import org.deegree.framework.util.StringTools;
051 import org.deegree.model.spatialschema.Envelope;
052 import org.deegree.portal.portlet.modules.actions.AbstractPortletPerform;
053 import org.deegree.portal.portlet.portlets.WebMapPortlet;
054
055 /**
056 *
057 *
058 * @version $Revision: 18195 $
059 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
060 * @author last edited by: $Author: mschneider $
061 *
062 * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
063 *
064 * @since 2.0
065 */
066 public class MapWindowPortletAction extends JspPortletAction {
067
068 protected void buildConfigureContext( Portlet portlet, RunData rundata )
069 throws Exception {
070 // TODO
071 super.buildConfigureContext( portlet, rundata );
072 }
073
074 /**
075 * called when portlet is maximized
076 *
077 * @param portlet
078 * @param rundata
079 */
080 protected void buildMaximizedContext( Portlet portlet, RunData rundata )
081 throws Exception {
082 super.buildMaximizedContext( portlet, rundata );
083
084 try {
085 MapWindowPortletPerform mwpp = new MapWindowPortletPerform( rundata.getRequest(), portlet,
086 rundata.getServletContext() );
087
088 // common to all operations
089 mwpp.setMode();
090
091 // set map size to 95% of the window size
092 rundata.getRequest().setAttribute( "WIDTH", new Integer( -95 ) );
093 } catch ( Exception e ) {
094 e.printStackTrace();
095 }
096
097 }
098
099 protected void buildNormalContext( Portlet portlet, RunData rundata )
100 throws Exception {
101
102 try {
103 MapWindowPortletPerform mwpp = new MapWindowPortletPerform( rundata.getRequest(), portlet,
104 rundata.getServletContext() );
105
106 mwpp.buildNormalContext();
107 // common to all operations
108 mwpp.setMode();
109
110 HttpSession ses = rundata.getRequest().getSession();
111 if ( ses.getAttribute( AbstractPortletPerform.SESSION_HOME ) == null ) {
112 Envelope homeEnv = ( (WebMapPortlet) portlet ).getHome();
113 ses.setAttribute( AbstractPortletPerform.SESSION_HOME, homeEnv );
114
115 // make sure first envelope in history is the home envelope
116 List<Envelope> envelopes = (List<Envelope>) ses.getAttribute( MapWindowPortletPerform.SESSION_HISTORY );
117 if ( envelopes != null ) {
118 envelopes.add( 0, homeEnv );
119 }
120
121 }
122
123 PortletConfig pc = portlet.getPortletConfig();
124 // set map with to current portlet width if responsible init parameter is set
125 if ( pc.getInitParameter( MapWindowPortletPerform.INIT_SCALEMAPTOPORTLETSIZE ) != null
126 && pc.getInitParameter( MapWindowPortletPerform.INIT_SCALEMAPTOPORTLETSIZE ).equalsIgnoreCase( "true" ) ) {
127 int width = calcPortletWidth( portlet, rundata );
128 rundata.getRequest().setAttribute( "WIDTH", Integer.toString( width ) );
129 }
130
131 // this is set here because it's jetspeed specific stuff
132 String fiTarget = portlet.getPortletConfig().getInitParameter(
133 MapWindowPortletPerform.INIT_FEATUREINFOTARGETPORTLET );
134
135 String[] tmp = StringTools.toArray( fiTarget, ";", false );
136 if ( tmp.length > 1 ) {
137 rundata.getRequest().setAttribute( "FEATUREINFOTARGETPANE", tmp[0] );
138 rundata.getRequest().setAttribute( "FEATUREINFOTARGETPORTLET", tmp[1] );
139 } else {
140 rundata.getRequest().setAttribute( "FEATUREINFOTARGETPANE", "" );
141 rundata.getRequest().setAttribute( "FEATUREINFOTARGETPORTLET", fiTarget );
142 }
143
144 } catch ( Exception e ) {
145 e.printStackTrace();
146 }
147
148 }
149
150 /**
151 * returns the width of a portlet. If the size is given as a relative value the returned value i
152 * < 0 an absolute size will be returned as positive value.
153 *
154 * @param portlet
155 * @param rundata
156 */
157 private int calcPortletWidth( Portlet portlet, RunData rundata ) {
158 int width = 0;
159 try {
160 Iterator iter = portlet.getInstance( rundata ).getDocument().getPortlets().getPortletsIterator();
161 boolean contains = false;
162 Portlets portlets = null;
163 int col = 0;
164 // find psml portlet that contains the portlet in question
165 do {
166 portlets = (Portlets) iter.next();
167 Iterator iter2 = portlets.getEntriesIterator();
168 Entry entry = null;
169 while ( entry == null && iter2.hasNext() ) {
170 entry = (Entry) iter2.next();
171 if ( !entry.getId().equals( portlet.getID() ) ) {
172 entry = null;
173 } else {
174 String tmp = entry.getLayout().getParameterValue( "column" );
175 col = Integer.parseInt( tmp );
176 }
177 }
178 contains = entry != null;
179 } while ( !contains && iter.hasNext() );
180
181 Controller controller = portlets.getController();
182 String sizes = controller.getParameterValue( "sizes" );
183 if ( sizes != null ) {
184 String[] tmp = StringTools.toArray( sizes, ",", false );
185 if ( tmp[col].endsWith( "%" ) ) {
186 // parse relative portlet width. a relative portlet width is
187 // marked by a negative sign
188 width = -1 * Integer.parseInt( tmp[col].substring( 0, tmp[col].length() - 1 ) );
189 } else {
190 // parse absolute portlet width.
191 width = Integer.parseInt( tmp[col] );
192 }
193 } else {
194 // use 50% as default
195 width = 50;
196 }
197 } catch ( Exception e2 ) {
198 e2.printStackTrace();
199 }
200 return width;
201 }
202
203 }