svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / AbstractIntervalLegend.java @ 31228
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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: AbstractIntervalLegend.java 31228 2009-10-08 10:13:04Z fpenarrubia $
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* $Log$
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* Revision 1.12 2007-09-19 16:25:39 jaume
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* ReadExpansionFileException removed from this context and removed unnecessary imports
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*
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* Revision 1.11 2007/09/10 15:47:11 jaume
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* *** empty log message ***
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*
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* Revision 1.10 2007/08/03 09:22:08 jaume
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* refactored class names
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*
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* Revision 1.9 2007/08/02 10:19:03 jvidal
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* implements IPersistance
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*
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* Revision 1.8 2007/08/01 11:45:59 jaume
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* passing general tests (drawing test yet missing)
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*
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* Revision 1.7 2007/05/28 15:36:42 jaume
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* *** empty log message ***
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*
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* Revision 1.6 2007/05/17 09:32:06 jaume
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* *** empty log message ***
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*
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* Revision 1.5 2007/05/10 14:13:36 jaume
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* *** empty log message ***
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*
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* Revision 1.4 2007/05/10 09:44:08 jaume
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* Refactored legend interface names
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*
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* Revision 1.3 2007/03/27 09:28:40 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2007/03/09 11:20:56 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 2007/02/13 16:19:19 jaume
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* graduated symbol legends (start commiting)
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*
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*
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*/
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package com.iver.cit.gvsig.fmap.rendering; |
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import java.util.ArrayList; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.TreeMap; |
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import org.apache.log4j.Logger; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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import com.hardcode.gdbms.engine.values.DateValue; |
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import com.hardcode.gdbms.engine.values.DoubleValue; |
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import com.hardcode.gdbms.engine.values.FloatValue; |
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import com.hardcode.gdbms.engine.values.IntValue; |
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import com.hardcode.gdbms.engine.values.LongValue; |
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import com.hardcode.gdbms.engine.values.NullValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.exceptions.layers.LegendLayerException; |
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import com.iver.cit.gvsig.fmap.Messages; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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public abstract class AbstractIntervalLegend extends AbstractClassifiedVectorLegend implements IVectorialIntervalLegend{ |
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protected int shapeType; |
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public static final int EQUAL_INTERVALS = 0; |
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public static final int NATURAL_INTERVALS = 1; |
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public static final int QUANTILE_INTERVALS = 2; |
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protected TreeMap<Object, ISymbol> symbols = new TreeMap<Object, ISymbol> |
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(new Comparator<Object>() { |
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public int compare(Object o1, Object o2) { |
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if ((o1 != null) && (o2 != null)) { |
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if (o1 instanceof NullIntervalValue && |
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o2 instanceof NullIntervalValue) {
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return 0; |
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} |
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if (o2 instanceof NullIntervalValue) { |
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return 1; |
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} |
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if (o1 instanceof NullIntervalValue) { |
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return -1; |
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} |
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FInterval i2 = (FInterval) o2; |
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FInterval i1 = (FInterval) o1; |
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if (i1.getMin() > i2.getMin()) {
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return 1; |
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} |
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if (i1.getMin() < i2.getMin()) {
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return -1; |
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} |
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if (i1.getMax() < i2.getMax()) {
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return -1; |
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} |
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if (i1.getMax() > i2.getMax()) {
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return 1; |
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} |
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} |
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return 0; |
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} |
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}); |
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protected ArrayList<Object> keys = new ArrayList<Object>(); |
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protected int index = 0; |
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protected String[] fieldNames; |
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protected int fieldId; |
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protected ISymbol defaultSymbol;
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protected DataSource dataSource; |
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protected int intervalType = NATURAL_INTERVALS; |
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protected boolean useDefaultSymbol = false; |
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private Logger logger = Logger.getLogger(AbstractIntervalLegend.class); |
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public void addSymbol(Object key, ISymbol symbol) { |
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symbols.put(key, symbol); |
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keys.add(key); |
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fireClassifiedSymbolChangeEvent(new SymbolLegendEvent(null, symbol)); |
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} |
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/*
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* @see com.iver.cit.gvsig.fmap.rendering.IVectorialLegend#getSymbol(int)
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*/
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public ISymbol getSymbol(int recordIndex) throws ReadDriverException { |
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Value val = dataSource.getFieldValue(recordIndex, fieldId); |
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IInterval interval = getInterval(val); |
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ISymbol theSymbol = getSymbolByInterval(interval); |
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if (theSymbol != null) { |
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return theSymbol;
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} else if (useDefaultSymbol) { |
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return getDefaultSymbol();
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} |
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return null; |
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} |
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public ISymbol getSymbolByFeature(IFeature feat) {
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// Value val = feat.getAttribute(FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD
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// ? 0 :fieldId);
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Value val = feat.getAttribute(0);
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IInterval interval = getInterval(val); |
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ISymbol theSymbol = getSymbolByInterval(interval); |
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return theSymbol;
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} |
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public FInterval[] calculateIntervals(DataSource recordSet, String fieldName, int numIntervalos, int shapeType) |
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throws ReadDriverException, LegendLayerException {
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logger.debug("elRs.start()");
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recordSet.start(); |
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int idField = -1; |
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setClassifyingFieldNames(new String[] {fieldName}); |
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String[] fieldNames = getClassifyingFieldNames(); |
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idField = recordSet.getFieldIndexByName(fieldNames[0]);
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if (idField == -1) { |
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logger.error("Campo no reconocido " + fieldNames);
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return null; |
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} |
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double minValue = Double.MAX_VALUE; |
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double maxValue = Double.NEGATIVE_INFINITY; |
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VectorialIntervalLegend auxLegend = LegendFactory. |
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createVectorialIntervalLegend(shapeType); |
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Value clave; |
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for (int j = 0; j < recordSet.getRowCount(); j++) { |
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clave = recordSet.getFieldValue(j, idField); |
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IInterval interval = auxLegend.getInterval(clave); |
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////Comprobar que no esta repetido y no hace falta introducir en el hashtable el campo junto con el simbolo.
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if (auxLegend.getSymbolByInterval(interval) == null) { |
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//si no esta creado el simbolo se crea
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double valor = 0; |
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if (clave instanceof IntValue) { |
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valor = ((IntValue) clave).getValue(); |
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} else if (clave instanceof DoubleValue) { |
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valor = ((DoubleValue) clave).getValue(); |
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} else if (clave instanceof FloatValue) { |
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valor = ((FloatValue) clave).getValue(); |
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} else if (clave instanceof LongValue) { |
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valor = ((LongValue) clave).getValue(); |
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} else if (clave instanceof DateValue) { |
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//TODO POR IMPLEMENTAR
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///valorDate = elRs.getFieldValueAsDate(idField);
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///if (valorDate.before(minValueDate)) minValueDate = valorDate;
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///if (valorDate.after(maxValueDate)) maxValueDate = valorDate;
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} else if (clave instanceof NullValue) { |
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continue;
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} |
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if (valor < minValue) {
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minValue = valor; |
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} |
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if (valor > maxValue) {
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maxValue = valor; |
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} |
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} |
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} |
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FInterval[] intervalArray = null; |
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switch (getIntervalType()) {
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case VectorialIntervalLegend.EQUAL_INTERVALS:
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intervalArray = calculateEqualIntervals(numIntervalos, |
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minValue, maxValue, fieldName); |
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break;
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case VectorialIntervalLegend.NATURAL_INTERVALS:
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intervalArray = calculateNaturalIntervals(recordSet, numIntervalos, |
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minValue, maxValue, fieldName); |
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break;
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case VectorialIntervalLegend.QUANTILE_INTERVALS:
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intervalArray = calculateQuantileIntervals(recordSet, numIntervalos, |
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minValue, maxValue, fieldName); |
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break;
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} |
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recordSet.stop(); |
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return intervalArray;
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} |
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/**
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* EQUAL INTERVAL Devuelve un Array con el n?mero de intervalos que se
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* quieren crear. Los intervalos se crean con un tama?o igual entre ellos.
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* @param numIntervals n?mero de intervalos
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* @param minValue Valor m?nimo.
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* @param maxValue Valor m?ximo.
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* @param fieldName Nombre del campo
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*
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* @return Array con los intervalos.
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*/
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private FInterval[] calculateEqualIntervals(int numIntervals, double minValue, |
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double maxValue, String fieldName) { |
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FInterval[] theIntervalArray = new FInterval[numIntervals]; |
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double step = (maxValue - minValue) / numIntervals;
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if (numIntervals > 1) { |
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theIntervalArray[0] = new FInterval(minValue, minValue + step); |
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for (int i = 1; i < (numIntervals - 1); i++) { |
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theIntervalArray[i] = new FInterval(minValue + (i * step) +
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0.01, minValue + ((i + 1) * step)); |
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} |
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theIntervalArray[numIntervals - 1] = new FInterval(minValue + |
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((numIntervals - 1) * step) + 0.01, maxValue); |
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} else {
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theIntervalArray[0] = new FInterval(minValue, maxValue); |
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} |
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return theIntervalArray;
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} |
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/**
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* NATURAL INTERVAL Devuelve un Array con el n?mero de intervalos que se
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* quieren crear. Los intervalos se distribuyen de forma natural.
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*
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* @param numIntervals n?mero de intervalos
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* @param minValue Valor m?nimo.
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* @param maxValue Valor m?ximo.
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* @param fieldName Nombre del campo
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*
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* @return Array con los intervalos.
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* @throws LegendLayerException
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*/
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private FInterval[] calculateNaturalIntervals(DataSource recordSet, int numIntervals, double minValue, |
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double maxValue, String fieldName) throws LegendLayerException { |
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NaturalIntervalGenerator intervalGenerator = new NaturalIntervalGenerator(
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recordSet, fieldName, numIntervals); |
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try {
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intervalGenerator.generarIntervalos(); |
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} catch (ReadDriverException e) {
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throw new LegendLayerException(Messages.getString("failed_calculating_intervals"), e); |
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} |
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int numIntervalsGen = intervalGenerator.getNumIntervals() - 1; |
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if (numIntervalsGen == -1) { |
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//TODO cuando no puede calcular los intervalos.
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numIntervalsGen = 1;
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} |
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FInterval[] theIntervalArray = new FInterval[numIntervalsGen]; |
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if (numIntervalsGen > 1) { |
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theIntervalArray[0] = new FInterval(minValue, |
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intervalGenerator.getValorRuptura(0));
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for (int i = 1; i < (numIntervalsGen - 1); i++) { |
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theIntervalArray[i] = new FInterval(intervalGenerator.getValInit(i -
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1), intervalGenerator.getValorRuptura(i));
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} |
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theIntervalArray[numIntervalsGen - 1] = new FInterval(intervalGenerator.getValInit(numIntervalsGen - |
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2), maxValue);
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} else {
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theIntervalArray[numIntervalsGen - 1] = new FInterval(minValue, |
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maxValue); |
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} |
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return theIntervalArray;
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} |
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/**
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* QUANTILE INTERVAL Devuelve un Array con el n?mero de intervalos que se
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* quieren crear. Los intervalos se distribuyen de forma quantile.
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* @param recordSet
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*
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* @param numIntervals n?mero de intervalos
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* @param minValue Valor m?nimo.
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* @param maxValue Valor m?ximo.
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* @param fieldName Nombre del campo
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*
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* @return Array con los intervalos.
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* @throws LegendLayerException
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*/
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private FInterval[] calculateQuantileIntervals(DataSource recordSet, int numIntervals, double minValue, |
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double maxValue, String fieldName) throws LegendLayerException { |
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QuantileIntervalGenerator intervalGenerator = new QuantileIntervalGenerator(
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recordSet, fieldName, numIntervals); |
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try {
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intervalGenerator.generarIntervalos(); |
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} catch (ReadDriverException e) {
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throw new LegendLayerException(Messages.getString("failed_calculating_intervals"), e); |
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} |
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int numIntervalsGen = intervalGenerator.getNumIntervalGen();
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FInterval[] theIntervalArray = new FInterval[numIntervalsGen]; |
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if (intervalGenerator.getNumIntervalGen() > 1) { |
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theIntervalArray[0] = new FInterval(minValue, |
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intervalGenerator.getValRuptura(0));
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for (int i = 1; i < (numIntervalsGen - 1); i++) { |
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theIntervalArray[i] = new FInterval(intervalGenerator.getValInit(i -
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1), intervalGenerator.getValRuptura(i));
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} |
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theIntervalArray[numIntervalsGen - 1] = new FInterval(intervalGenerator.getValInit(numIntervalsGen - |
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2), maxValue);
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} else {
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theIntervalArray[numIntervalsGen - 1] = new FInterval(minValue, |
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maxValue); |
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} |
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return theIntervalArray;
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} |
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public ISymbol getSymbolByInterval(IInterval key) {
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if (key == null){ |
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if (isUseDefaultSymbol())
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return defaultSymbol;
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return null; |
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} |
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if (symbols.containsKey(key)) {
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return (ISymbol) symbols.get(key);
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} |
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if (isUseDefaultSymbol())
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return defaultSymbol;
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return null; |
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} |
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public String[] getDescriptions() { |
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String[] descriptions = new String[symbols.size()]; |
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ISymbol[] auxSym = getSymbols();
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for (int i = 0; i < descriptions.length; i++) |
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descriptions[i] = auxSym[i].getDescription(); |
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return descriptions;
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} |
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public Object[] getValues() { |
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return symbols.keySet().toArray();
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} |
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public void clear() { |
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index = 0;
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keys.clear(); |
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symbols.clear(); |
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} |
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public ISymbol[] getSymbols() { |
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return (ISymbol[]) symbols.values().toArray(new ISymbol[0]); |
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} |
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public String[] getClassifyingFieldNames() { |
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return fieldNames;
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} |
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|
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public void setDefaultSymbol(ISymbol s) { |
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ISymbol old = defaultSymbol; |
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if (s == null) throw new NullPointerException("Default symbol cannot be null"); |
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defaultSymbol = s; |
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fireDefaultSymbolChangedEvent(new SymbolLegendEvent(old, defaultSymbol));
|
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} |
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|
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public void setClassifyingFieldNames(String[] fieldNames) { |
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this.fieldNames = fieldNames;
|
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} |
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|
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public ISymbol getDefaultSymbol() {
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NullIntervalValue niv=new NullIntervalValue();
|
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if (symbols.containsKey(niv))
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return (ISymbol)symbols.get(niv);
|
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|
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if(defaultSymbol==null) |
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defaultSymbol=SymbologyFactory.createDefaultSymbolByShapeType(shapeType); |
| 489 |
return defaultSymbol;
|
| 490 |
} |
| 491 |
|
| 492 |
|
| 493 |
public void setDataSource(DataSource ds) |
| 494 |
throws FieldNotFoundException, ReadDriverException {
|
| 495 |
// if (!FLyrVect.forTestOnlyVariableUseIterators_REMOVE_THIS_FIELD) {
|
| 496 |
// /*
|
| 497 |
// * when we move definitely to feature iterators this
|
| 498 |
// * method
|
| 499 |
// */
|
| 500 |
// dataSource = ds;
|
| 501 |
// ds.start();
|
| 502 |
// fieldId = ds.getFieldIndexByName(fieldNames[0]);
|
| 503 |
// ds.stop();
|
| 504 |
// }
|
| 505 |
} |
| 506 |
|
| 507 |
|
| 508 |
public IInterval getInterval(Value v) {
|
| 509 |
for (int i = 0; i < keys.size(); i++) { |
| 510 |
if (((IInterval) keys.get(i)).isInInterval(v)) {
|
| 511 |
return (IInterval) keys.get(i);
|
| 512 |
} |
| 513 |
} |
| 514 |
|
| 515 |
return null; |
| 516 |
} |
| 517 |
|
| 518 |
public void setIntervalType(int intervalType) { |
| 519 |
this.intervalType = intervalType;
|
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
public int getIntervalType() { |
| 524 |
return intervalType;
|
| 525 |
} |
| 526 |
|
| 527 |
public void useDefaultSymbol(boolean b) { |
| 528 |
useDefaultSymbol = b; |
| 529 |
} |
| 530 |
|
| 531 |
|
| 532 |
public boolean isUseDefaultSymbol() { |
| 533 |
return useDefaultSymbol;
|
| 534 |
} |
| 535 |
|
| 536 |
|
| 537 |
public void delSymbol(Object obj) { |
| 538 |
keys.remove(obj); |
| 539 |
symbols.remove(obj); |
| 540 |
fireClassifiedSymbolChangeEvent( |
| 541 |
new SymbolLegendEvent(
|
| 542 |
symbols.remove(obj), |
| 543 |
null));
|
| 544 |
} |
| 545 |
|
| 546 |
|
| 547 |
public void replace(ISymbol oldSymbol, ISymbol newSymbol) { |
| 548 |
if (symbols.containsValue(oldSymbol)) {
|
| 549 |
Iterator<Object> it = symbols.keySet().iterator(); |
| 550 |
while (it.hasNext()) {
|
| 551 |
Object key = it.next();
|
| 552 |
if (symbols.get(key).equals(oldSymbol)) {
|
| 553 |
symbols.remove(key); |
| 554 |
symbols.put(key, newSymbol); |
| 555 |
fireClassifiedSymbolChangeEvent( |
| 556 |
new SymbolLegendEvent(oldSymbol, newSymbol));
|
| 557 |
} |
| 558 |
} |
| 559 |
} |
| 560 |
} |
| 561 |
} |