svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / SymbologyFactory.java @ 11372
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: SymbologyFactory.java 11372 2007-04-26 11:41:00Z jaume $
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* $Log$
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* Revision 1.7 2007-04-26 11:41:00 jaume
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* attempting to let defining size in world units
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*
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* Revision 1.6 2007/03/27 09:28:40 jaume
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* *** empty log message ***
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*
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* Revision 1.5 2007/03/21 11:02:51 jaume
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* javadoc
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*
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* Revision 1.4 2007/03/20 15:59:03 jaume
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* improved factory toolkit
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*
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* Revision 1.3 2007/03/13 16:58:36 jaume
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* Added QuantityByCategory (Multivariable legend) and some bugfixes in symbols
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*
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* Revision 1.2 2007/03/09 11:20:57 jaume
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* Advanced symbology (start committing)
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*
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* Revision 1.1.2.2 2007/02/15 16:23:44 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2007/02/12 15:15:20 jaume
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* refactored interval legend and added graduated symbol legend
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*
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* Revision 1.1.2.3 2007/02/09 07:47:05 jaume
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* Isymbol moved
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*
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* Revision 1.1.2.2 2007/02/01 11:42:47 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2007/01/26 13:48:05 jaume
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* patch for opening old projects
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*
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* Revision 1.1 2007/01/10 16:39:41 jaume
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* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package
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*
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* Revision 1.3 2006/11/06 16:06:52 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2006/11/06 07:33:54 jaume
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* javadoc, source style
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*
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* Revision 1.1 2006/10/30 19:30:35 jaume
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.fmap.core; |
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import java.awt.Color; |
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import java.awt.Font; |
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import org.apache.log4j.Logger; |
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import com.iver.cit.gvsig.fmap.core.styles.IStyle; |
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import com.iver.cit.gvsig.fmap.core.symbols.IFillSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ILineSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.IMultiLayerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerFillSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerLineSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.MultiShapeSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleFillSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleLineSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleMarkerSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleTextSymbol; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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import com.iver.utiles.IPersistance; |
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import com.iver.utiles.NotExistInXMLEntity; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Factory for obtaining symbology of any kind from several sources like.
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* <ol>
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* <li>
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* <b>XMLEntity's</b> that, at least, contains a full class name
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* string property that defines which class handles such symbol.
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* </li>
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* </ol>
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class SymbologyFactory { |
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public static Color DefaultSymbolColor = Color.DARK_GRAY; |
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public static Color DefaultFillSymbolColor = new Color(60, 235, 235); |
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public static Font DefaultTextFont = new Font("SansSerif", Font.PLAIN, 9); |
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private static Logger logger = Logger.getLogger(SymbologyFactory.class.getName()); |
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/**
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* Factory that allows to create <b>ISymbol</b>'s from an ISymbol xml
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* descriptor. A barely specific XMLEntity object. The string passed in the
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* second argument is the description text that will be used in case no description
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* is supplied by the symbol's xml descriptor.
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*
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* @param xml, the symbol's xml descriptor
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* @param defaultDescription, a human readable description string for the symbol.
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* @return ISymbol
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*/
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public static ISymbol createSymbolFromXML(XMLEntity xml, String defaultDescription) { |
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if (!xml.contains("desc")) { |
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if (defaultDescription == null) defaultDescription = ""; |
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xml.putProperty("desc", defaultDescription);
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} |
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return (ISymbol) createFromXML(xml);
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} |
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/**
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* Factory that allows to create <b>IStyle</b>'s from an <b>IStyle</b> xml descriptor. A barely
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* specific <b>XMLEntity</b> object. The string passed in the second argument is the
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* description text that will be used in case no description is supplied by the
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* style's xml descriptor.
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*
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* @param xml, the style's xml descriptor
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* @param defaultDescription, a human readable description string for the style
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* @return IStyle
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*/
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public static IStyle createStyleFromXML(XMLEntity xml, String defaultDescription) { |
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if (!xml.contains("desc")) |
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if (defaultDescription == null) defaultDescription = ""; |
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xml.putProperty("desc", defaultDescription);
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return (IStyle) createFromXML(xml);
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} |
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/**
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* Creates an <b>Object</b> described by the <b>XMLEntity</b> xml, please reffer to the
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* XMLEntity definition contract to know what is the format of the xml argument.
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* The result of this method is an <b>Object</b> that you can cast to the type you were
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* looking for by means of the xml entity.
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*
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* @param xml
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* @return Object
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*/
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private static Object createFromXML(XMLEntity xml) { |
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String className = null; |
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try {
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className = xml.getStringProperty("className");
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} catch (NotExistInXMLEntity e) {
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logger.error("Class name not set.\n" +
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" Maybe you forgot to add the" +
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" putProperty(\"className\", yourClassName)" +
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" call in the getXMLEntity method of your class", e);
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} |
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Class clazz = null; |
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IPersistance obj = null;
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try {
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clazz = Class.forName(className);
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// TODO remove the patch the day we deprecate FSymbol
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// begin patch
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if (clazz.equals(FSymbol.class))
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obj = FSymbol.createFromXML(xml); |
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else {
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// end patch
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obj = (IPersistance) clazz.newInstance(); |
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obj.setXMLEntity(xml); |
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} |
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} catch (InstantiationException e) { |
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logger.error("Trying to instantiate an interface" +
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" or abstract class + "+className, e);
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} catch (IllegalAccessException e) { |
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logger.error("IllegalAccessException: does your class have an" +
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" anonymous constructor?", e);
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} catch (ClassNotFoundException e) { |
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logger.error("No class called " + className +
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" was found.\nCheck the following.\n<br>" +
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"\t- The fullname of the class you're looking " +
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"for matches the value in the className " +
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"property of the XMLEntity ("+className+").\n<br>" + |
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"\t- The jar file containing your symbol class is in" +
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"the application classpath<br>", e);
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} |
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return obj;
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} |
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/**
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* Returns a new empty instance of a <b>IMultiLayer</b> that can be one of:
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* <b>MultiLayerMarkerSymbol</b>, <b>MultiLayerLineSymbol</b>, or
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* <b>MultiLayerFillSymbol</b> depending on the shape type passed.
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*
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* @param shapeType, one of FShape.POINT, FShape.LINE, or FShape.POLYGON
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* @return IMultiLayerSymbol
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*/
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public static IMultiLayerSymbol createEmptyMultiLayerSymbol(int shapeType) { |
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switch (shapeType) {
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case FShape.POINT:
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return new MultiLayerMarkerSymbol(); |
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case FShape.LINE:
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return new MultiLayerLineSymbol(); |
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case FShape.POLYGON:
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return new MultiLayerFillSymbol(); |
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default:
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throw new Error("Shape type not yet supported for multilayer symbols"); |
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} |
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} |
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/**
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* Returns a new instance of an <b>IMarkerSymbol</b>.
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* @return IMarkerSymbol, the default symbol for markers
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*/
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public static IMarkerSymbol createDefaultMarkerSymbol() { |
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SimpleMarkerSymbol sms = new SimpleMarkerSymbol();
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sms.setColor(DefaultSymbolColor); |
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sms.setSize(2);
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return sms;
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} |
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/**
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* Returns a new instance of an <b>ILineSymbol</b>. A black line.
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* @return ILineSymbol, the default symbol for lines.
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*/
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public static ILineSymbol createDefaultLineSymbol() { |
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SimpleLineSymbol sls = new SimpleLineSymbol();
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sls.setLineColor(DefaultSymbolColor); |
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sls.setLineWidth(0.5);
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return sls;
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} |
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/**
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* Returns a new instance of an <b>IFillSymbol</b>. Black outline,
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* and transparent fill.
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* @return IFillSymbol, the default symbol for polygons
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*/
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public static IFillSymbol createDefaultFillSymbol() { |
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SimpleFillSymbol sfs = new SimpleFillSymbol();
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// Default symbol for polygons
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sfs.setOutline(createDefaultLineSymbol()); |
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sfs.setFillColor(DefaultFillSymbolColor); // transparent fill
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return sfs;
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} |
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/**
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* Returns a new instance of an <b>ITextSymbol</b>.
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* @return ITextSymbol, the default symbol for texts
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*/
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public static ITextSymbol createDefaultTextSymbol() { |
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SimpleTextSymbol sts = new SimpleTextSymbol();
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sts.setFont(DefaultTextFont); |
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sts.setTextColor(DefaultSymbolColor); |
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return sts;
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} |
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/**
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* Creates a new instance of the default symbol whose type is defined
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* by the parameter <b>shapeType</b>
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* @param shapeType, one of FShape.POINT, FShape.LINE, FShape.POLYGON,
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* FShape.MULTIPOINT, FShape.TEXT, or FShape.MULTI.
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* @return ISymbol, the default symbol for the shape type defined by <b>shapeType</b>
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*/
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public static ISymbol createDefaultSymbolByShapeType(int shapeType) { |
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switch (shapeType) {
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case FShape.POINT:
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return createDefaultMarkerSymbol();
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case FShape.LINE:
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return createDefaultLineSymbol();
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case FShape.POLYGON:
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return createDefaultFillSymbol();
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case FShape.MULTIPOINT:
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return createDefaultMarkerSymbol();
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case FShape.TEXT:
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return createDefaultTextSymbol();
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case FShape.MULTI:
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return new MultiShapeSymbol(); |
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default:
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throw new Error("shape type not yet supported"); |
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} |
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} |
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/**
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* Creates a new instance of the default symbol whose type is defined
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* by the parameter <b>shapeType</b> and uses the color defined by the
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* parameter color.
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* @param shapeType, one of FShape.POINT, FShape.LINE, FShape.POLYGON,
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* @param color, the color to be applied to the new ISymbol.
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*
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* FShape.MULTIPOINT, FShape.TEXT, or FShape.MULTI.
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* @return ISymbol, the default symbol for the shape type defined by <b>shapeType</b>
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*/
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public static ISymbol createDefaultSymbolByShapeType(int shapeType, Color color) { |
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ISymbol sym = createDefaultSymbolByShapeType(shapeType); |
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if (sym instanceof IMarkerSymbol) { |
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((IMarkerSymbol) sym).setColor(color); |
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} |
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if (sym instanceof ILineSymbol) { |
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((ILineSymbol) sym).setLineColor(color); |
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} |
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if (sym instanceof IFillSymbol) { |
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((IFillSymbol) sym).setFillColor(color); |
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} |
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if (sym instanceof ITextSymbol) { |
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((ITextSymbol) sym).setTextColor(color); |
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} |
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return sym;
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} |
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} |