svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / symbols / SymbologyFactory.java @ 27989
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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 21071 2008-06-02 10:55:35Z vcaballero $
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* $Log$
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* Revision 1.11 2007-09-20 09:33:15 jaume
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* Refactored: fixed name of IPersistAnce to IPersistence
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*
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* Revision 1.10 2007/09/17 14:16:11 jaume
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* multilayer symbols sizing bug fixed
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*
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* Revision 1.9 2007/09/17 09:32:05 jaume
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* view refresh frame rate now configurable
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*
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* Revision 1.8 2007/07/18 06:54:34 jaume
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* continuing with cartographic support
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*
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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 org.gvsig.fmap.mapcontext.rendering.symbols; |
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import java.awt.BasicStroke; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Ellipse2D; |
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import java.io.File; |
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import javax.swing.JFrame; |
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import javax.swing.JPanel; |
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.mapcontext.Messages; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.styles.IStyle; |
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import org.gvsig.tools.task.Cancellable; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.iver.utiles.IPersistence; |
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import com.iver.utiles.NotExistInXMLEntity; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.XMLException; |
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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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/**
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* This Constants are only used in SymbologyPage (preferences page for symbology),
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* do not use in other context.
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*/
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public static final Color FactoryDefaultSymbolColor = Color.GRAY; |
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public static final Color FactoryDefaultFillSymbolColor = new Color(60, 235, 235); |
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public static final Font FactoryDefaultTextFont = new Font("Serif", Font.PLAIN, 8); |
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public static final String FactorySymbolLibraryPath = |
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System.getProperty("user.home") + |
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File.separator +
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"gvSIG" +
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File.separator +
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"Symbols";
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public static final String FactoryStyleLibraryPath = |
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System.getProperty("user.home") + |
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File.separator +
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"gvSIG" +
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File.separator +
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"Styles";
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public static final Boolean FactoryDefaultAleatoryFillColor = Boolean.FALSE; |
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public static Color DefaultSymbolColor = FactoryDefaultSymbolColor; |
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public static Color DefaultFillSymbolColor = FactoryDefaultFillSymbolColor; |
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public static Font DefaultTextFont = FactoryDefaultTextFont; |
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public static String SymbolLibraryPath = FactorySymbolLibraryPath; |
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public static String StyleLibraryPath = FactoryStyleLibraryPath; |
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public static Boolean DefaultAleatoryFillColor = FactoryDefaultAleatoryFillColor; |
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final static private Logger logger = LoggerFactory.getLogger(SymbologyFactory.class); |
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private static WarningSymbol warningSymbol; |
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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) { |
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defaultDescription = "";
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} |
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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) { |
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defaultDescription = "";
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} |
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xml.putProperty("desc", defaultDescription);
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} |
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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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IPersistence obj = null;
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String s = className;
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try {
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clazz = Class.forName(className);
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if (xml.contains("desc")) { |
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s += " \"" + xml.getStringProperty("desc") +"\""; |
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} |
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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 = (IPersistence) clazz.newInstance(); |
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logger.info(Messages.getString("creating")+"....... "+s); |
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try {
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obj.setXMLEntity(xml); |
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} catch (NotExistInXMLEntity neiXML) {
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logger.error(Messages.getString("failed_creating_object")+": "+s); |
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throw neiXML;
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} catch (XMLException e) {
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logger.error(Messages.getString("failed_creating_object")+": "+s); |
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throw new NotExistInXMLEntity(); |
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} |
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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 Geometry.TYPES.POINT, Geometry.TYPES.CURVE, or Geometry.TYPES.SURFACE
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* @return IMultiLayerSymbol
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*/
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public static IMultiLayerSymbol createEmptyMultiLayerSymbol(int shapeType) { |
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IMultiLayerSymbol mSym; |
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switch (shapeType) {
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case Geometry.TYPES.POINT:
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mSym = new MultiLayerMarkerSymbol();
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break;
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case Geometry.TYPES.CURVE:
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mSym = new MultiLayerLineSymbol();
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break;
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case Geometry.TYPES.SURFACE:
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mSym =new MultiLayerFillSymbol();
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break;
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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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if (mSym instanceof CartographicSupport) { |
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CartographicSupport cs = (CartographicSupport) mSym; |
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cs.setUnit(CartographicSupportToolkit.DefaultMeasureUnit); |
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cs.setReferenceSystem(CartographicSupportToolkit.DefaultReferenceSystem); |
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} |
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return mSym;
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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(4);
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toDefaultCartographicProperties(sms); |
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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(1);
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toDefaultCartographicProperties(sls); |
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return sls;
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} |
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private static void toDefaultCartographicProperties(CartographicSupport cs) { |
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cs.setUnit(CartographicSupportToolkit.DefaultMeasureUnit); |
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cs.setReferenceSystem(CartographicSupportToolkit.DefaultReferenceSystem); |
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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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toDefaultCartographicProperties(sfs); |
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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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toDefaultCartographicProperties(sts); |
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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 Geometry.TYPES.POINT, Geometry.TYPES.CURVE, Geometry.TYPES.SURFACE,
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* Geometry.TYPES.MULTIPOINT, Geometry.TYPES.TEXT, or Geometry.TYPES.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 Geometry.TYPES.POINT:
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case Geometry.TYPES.MULTIPOINT:
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return createDefaultMarkerSymbol();
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case Geometry.TYPES.CURVE:
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case Geometry.TYPES.MULTICURVE:
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return createDefaultLineSymbol();
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case Geometry.TYPES.SURFACE:
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case Geometry.TYPES.MULTISURFACE:
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return createDefaultFillSymbol();
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case Geometry.TYPES.TEXT:
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return createDefaultTextSymbol();
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case Geometry.TYPES.GEOMETRY:
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return new MultiShapeSymbol(); |
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case Geometry.TYPES.NULL:
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return null; |
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default:
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throw new Error("shape type not yet supported"); |
412 |
} |
413 |
} |
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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 Geometry.TYPES.POINT, Geometry.TYPES.CURVE, Geometry.TYPES.SURFACE,
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* @param color, the color to be applied to the new ISymbol.
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*
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* Geometry.TYPES.MULTIPOINT, Geometry.TYPES.TEXT, or Geometry.TYPES.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) { |
426 |
ISymbol sym = createDefaultSymbolByShapeType(shapeType); |
427 |
if (sym instanceof IMarkerSymbol) { |
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((IMarkerSymbol) sym).setColor(color); |
429 |
} |
430 |
|
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if (sym instanceof ILineSymbol) { |
432 |
((ILineSymbol) sym).setLineColor(color); |
433 |
} |
434 |
|
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if (sym instanceof IFillSymbol) { |
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((IFillSymbol) sym).setFillColor(color); |
437 |
} |
438 |
|
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if (sym instanceof ITextSymbol) { |
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((ITextSymbol) sym).setTextColor(color); |
441 |
} |
442 |
|
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return sym;
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} |
445 |
|
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|
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|
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public static ISymbol getWarningSymbol(String message, String symbolDesc, int symbolDrawExceptionType) { |
449 |
if (warningSymbol == null) { |
450 |
warningSymbol = new WarningSymbol();
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} |
452 |
warningSymbol.setDescription(symbolDesc); |
453 |
warningSymbol.setMessage(message); |
454 |
warningSymbol.setDrawExceptionType(symbolDrawExceptionType); |
455 |
return warningSymbol;
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} |
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private static class WarningSymbol extends MultiShapeSymbol { |
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private String desc; |
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private String message; |
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private int exceptionType; |
462 |
private SimpleTextSymbol text;
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|
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public static void main(String[] args) { |
465 |
JFrame f = new JFrame(); |
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final ISymbol warning = SymbologyFactory.getWarningSymbol(SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS, "a description", SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS); |
467 |
JPanel preview = new JPanel() { |
468 |
protected void paintComponent(Graphics g) { |
469 |
// TODO Auto-generated method stub
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super.paintComponent(g);
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Graphics2D g2 = (Graphics2D)g; |
472 |
try {
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warning.drawInsideRectangle(g2, g2.getTransform(), getBounds()); |
474 |
} catch (SymbolDrawingException e) {
|
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// TODO Auto-generated catch block
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e.printStackTrace(); |
477 |
} |
478 |
} |
479 |
}; |
480 |
f.setContentPane(preview); |
481 |
f.pack(); |
482 |
f.setVisible(true);
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} |
484 |
|
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public void draw(Graphics2D g, AffineTransform affineTransform, |
486 |
Geometry geom, Cancellable cancel) { |
487 |
try {
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drawInsideRectangle(g, g.getTransform(), geom.getBounds()); |
489 |
} catch (SymbolDrawingException e) {
|
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// IMPOSSIBLE
|
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} |
492 |
} |
493 |
|
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public void setDrawExceptionType(int symbolDrawExceptionType) { |
495 |
this.exceptionType = symbolDrawExceptionType;
|
496 |
} |
497 |
|
498 |
public void setMessage(String message) { |
499 |
this.message = message;
|
500 |
} |
501 |
|
502 |
public void drawInsideRectangle(Graphics2D g, |
503 |
AffineTransform scaleInstance, Rectangle r) |
504 |
throws SymbolDrawingException {
|
505 |
g.setClip(r); |
506 |
if (message == null) { |
507 |
message = "Symbol undrawable.\nPlease, check errors.";
|
508 |
} |
509 |
|
510 |
String[] messageLines = CompatLocator.getStringUtils().split(message,"\n"); |
511 |
int strokeWidth = (int) (Math.min(r.width, r.height)*.1); |
512 |
|
513 |
if (strokeWidth == 0) { |
514 |
strokeWidth = 1;
|
515 |
} |
516 |
g.setColor(Color.red);
|
517 |
g.setStroke(new BasicStroke(strokeWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND)); |
518 |
int x = r.x+strokeWidth;
|
519 |
int y = r.x+strokeWidth;
|
520 |
int width = r.width-(strokeWidth+strokeWidth);
|
521 |
int height = r.height-(strokeWidth+strokeWidth);
|
522 |
double radius = Math.min(width, height)*.5; |
523 |
double centerX = r.getCenterX();
|
524 |
double centerY = r.getCenterY();
|
525 |
Ellipse2D circle = new Ellipse2D.Double(centerX - radius, centerY - radius, 2*radius, 2*radius); |
526 |
g.draw(circle); |
527 |
g.setClip(circle); |
528 |
double aux = Math.cos(Math.PI*0.25)*radius; |
529 |
g.drawLine((int) (centerX - aux), (int) (centerY - aux), (int) (centerX + aux), (int) (centerY + aux)); |
530 |
int fontSize = 20; |
531 |
g.setFont(new Font("Arial", fontSize, Font.PLAIN)); |
532 |
g.setColor(Color.black);
|
533 |
g.setClip(null);
|
534 |
|
535 |
if (text == null) { |
536 |
text = new SimpleTextSymbol();
|
537 |
text.setAutoresizeEnabled(true);
|
538 |
|
539 |
} |
540 |
|
541 |
double lineHeight = (r.getHeight()-6)/messageLines.length; |
542 |
Rectangle textRect = new Rectangle( |
543 |
(int) r.getMinX(),
|
544 |
(int) r.getMinY()+6, |
545 |
(int) r.getWidth(),
|
546 |
(int) lineHeight);
|
547 |
for (int i =0; i < messageLines.length; i++) { |
548 |
text.setText(messageLines[i]); |
549 |
text.drawInsideRectangle(g, null, textRect);
|
550 |
textRect.setLocation((int) r.getX(), (int) (r.getY()+r.getHeight())); |
551 |
} |
552 |
} |
553 |
|
554 |
public XMLEntity getXMLEntity() {
|
555 |
XMLEntity xml = new XMLEntity();
|
556 |
xml.putProperty("className", getClass().getName());
|
557 |
xml.putProperty("desc", desc);
|
558 |
xml.putProperty("exceptionType", exceptionType);
|
559 |
xml.putProperty("message", message);
|
560 |
return xml;
|
561 |
} |
562 |
|
563 |
public void setXMLEntity(XMLEntity xml) { |
564 |
setDescription(xml.getStringProperty("desc"));
|
565 |
exceptionType = xml.getIntProperty("exceptionType");
|
566 |
message = xml.getStringProperty("message");
|
567 |
} |
568 |
}; |
569 |
} |