root / branches / v2_0_0_prep / extensions / org.gvsig.symbology / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / legend / impl / AbstractIntervalLegend.java @ 31631
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl; |
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import java.util.ArrayList; |
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import java.util.Comparator; |
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import java.util.Date; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.TreeMap; |
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import java.util.Map.Entry; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.DisposableIterator; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureReference; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.mapcontext.MapContextException; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.exceptions.LegendLayerException; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IInterval; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IVectorialIntervalLegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.events.SymbolLegendEvent; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.persistence.PersistenceException; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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*/
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public abstract class AbstractIntervalLegend extends |
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AbstractClassifiedVectorLegend implements IVectorialIntervalLegend {
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public static final String INTERVAL_LEGEND_DYNCLASS_NAME = "IntervalLegend"; |
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private static final String FIELD_KEYS = "keys"; |
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private static final String FIELD_INTERVAL_TYPE = "intervalType"; |
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private static final String FIELD_USE_DEFAULT_SYMBOL = "useDefaultSymbol"; |
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private static final String FIELD_NULL_INTERVAL_SYMBOL = |
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"nullIntervalSymbol";
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private static final String FIELD_SYMBOLS = "symbols"; |
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protected List<Object> keys = new ArrayList<Object>(); // <Object> |
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// protected int index = 0;
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// protected int fieldId;
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protected ISymbol defaultSymbol;
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// protected FeatureStore featureStore;
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protected int intervalType = NATURAL_INTERVALS; |
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protected boolean useDefaultSymbol = false; |
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private ISymbol nullIntervalSymbol = null; |
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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 Map<Object, ISymbol> symbols = createSymbolMap(); |
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final static private Logger logger = LoggerFactory.getLogger(AbstractIntervalLegend.class); |
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public void addSymbol(Object key, ISymbol symbol) { |
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if (key == null) { |
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nullIntervalSymbol = symbol; |
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} |
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else {
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symbols.put(key, symbol); |
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keys.add(key); |
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} |
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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(FeatureReference featureID)
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throws MapContextException, DataException {
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return getSymbolByFeature(featureID.getFeature());
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// Object val = featureStore.getFeatureByReference(featureID).get(getClassifyingFieldNames()[0]);
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// IInterval interval = getInterval(val);
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// ISymbol theSymbol = getSymbolByInterval(interval);
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//
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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(Feature feat) throws MapContextException { |
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Object val = feat.get(getClassifyingFieldNames()[0]); |
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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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// return theSymbol;
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} |
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public IInterval[] calculateIntervals(FeatureStore featureStore, |
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String fieldName, int numIntervalos, int shapeType) |
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throws DataException {
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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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FeatureSet set = null;
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DisposableIterator iterator = null;
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try {
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setClassifyingFieldNames(new String[] {fieldName}); |
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String[] fieldNames = getClassifyingFieldNames(); |
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FeatureQuery featureQuery=featureStore.createFeatureQuery(); |
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featureQuery.setAttributeNames(fieldNames); |
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set = featureStore.getFeatureSet(featureQuery); |
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iterator = set.fastIterator(); |
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// for (int i = 0; i < recordSet.getFieldCount(); i++) {
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// String nomAux = recordSet.getFieldName(i).trim();
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//
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// if (fieldNames[0].compareToIgnoreCase(nomAux) == 0) {
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// idField = i;
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//
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// break;
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// }
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// }
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// if (idField == -1) {
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// logger.error("Campo no reconocido " + fieldNames);
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//
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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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IVectorialIntervalLegend auxLegend = (IVectorialIntervalLegend) MapContextLocator |
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.getMapContextManager().createLegend("VectorialInterval");
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auxLegend.setShapeType(shapeType); |
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Object clave;
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while (iterator.hasNext()) {
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Feature feature = (Feature) iterator.next(); |
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// for (int j = 0; j < recordSet.getRowCount(); j++) {
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clave = feature.get(fieldName); |
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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 Number) { |
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valor=((Number)clave).doubleValue();
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}else if (clave instanceof Date) { |
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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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IInterval[] 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(featureStore, 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(featureStore, 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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} finally {
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if (iterator != null) { |
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iterator.dispose(); |
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} |
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if (set != null) { |
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set.dispose(); |
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} |
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} |
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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 IInterval[] calculateEqualIntervals(int numIntervals, |
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double minValue,
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double maxValue, String fieldName) { |
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IInterval[] theIntervalArray = new IInterval[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 DataException
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* @throws LegendLayerException
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*/
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private IInterval[] calculateNaturalIntervals(FeatureStore featureStore, |
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int numIntervals, double minValue, |
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double maxValue, String fieldName) throws DataException { |
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NaturalIntervalGenerator intervalGenerator = new NaturalIntervalGenerator(
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featureStore, fieldName, numIntervals); |
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intervalGenerator.generarIntervalos(); |
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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 IInterval[] calculateQuantileIntervals(FeatureStore featureStore, |
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int numIntervals, double minValue, |
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double maxValue, String fieldName) throws DataException { |
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QuantileIntervalGenerator intervalGenerator = new QuantileIntervalGenerator(
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featureStore, fieldName, numIntervals); |
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intervalGenerator.generarIntervalos(); |
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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 (nullIntervalSymbol != null) { |
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return nullIntervalSymbol;
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} |
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else if (isUseDefaultSymbol()) { |
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return defaultSymbol;
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} |
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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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} |
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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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} |
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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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ISymbol[] symbolList;
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if (nullIntervalSymbol == null) { |
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symbolList = new ISymbol[symbols.size()];
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return (ISymbol[]) symbols.values().toArray(symbolList); |
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} |
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else {
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symbolList = new ISymbol[symbols.size() + 1]; |
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symbolList[0] = nullIntervalSymbol;
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int i = 1; |
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for (Iterator<ISymbol> iterator = symbols.values().iterator(); iterator.hasNext();) { |
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symbolList[i] = iterator.next(); |
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i++; |
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} |
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return symbolList;
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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) { |
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throw new NullPointerException("Default symbol cannot be null"); |
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} |
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defaultSymbol = s; |
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fireDefaultSymbolChangedEvent(new SymbolLegendEvent(old, defaultSymbol));
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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 = getSymbolManager().createSymbol(getShapeType()); |
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} |
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return defaultSymbol;
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} |
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// public void setFeatureStore(FeatureStore featureStore)
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// throws DataException {
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// /*
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// * when we move definitely to feature iterators this
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// * method
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// */
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// this.featureStore = featureStore;
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//// fieldId = ((FeatureType)featureStore.getFeatureTypes().get(0)).getIndex(fieldNames[0]);
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// }
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public IInterval getInterval(Object v) { |
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if (v != null ) { |
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for (int i = 0; i < keys.size(); i++) { |
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if (((IInterval) keys.get(i)).isInInterval(v)) {
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return (IInterval) keys.get(i);
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} |
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} |
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} |
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return null; |
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} |
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public void setIntervalType(int intervalType) { |
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this.intervalType = intervalType;
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} |
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public int getIntervalType() { |
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return intervalType;
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} |
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public void useDefaultSymbol(boolean b) { |
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useDefaultSymbol = b; |
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} |
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public boolean isUseDefaultSymbol() { |
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return useDefaultSymbol;
|
| 497 |
} |
| 498 |
|
| 499 |
|
| 500 |
public void delSymbol(Object obj) { |
| 501 |
keys.remove(obj); |
| 502 |
symbols.remove(obj); |
| 503 |
fireClassifiedSymbolChangeEvent( |
| 504 |
new SymbolLegendEvent(
|
| 505 |
(ISymbol)symbols.remove(obj), |
| 506 |
null));
|
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
public void replace(ISymbol oldSymbol, ISymbol newSymbol) { |
| 511 |
if (symbols.containsValue(oldSymbol)) {
|
| 512 |
Iterator<Object> it = symbols.keySet().iterator(); |
| 513 |
while (it.hasNext()) {
|
| 514 |
Object key = it.next();
|
| 515 |
if (symbols.get(key).equals(oldSymbol)) {
|
| 516 |
symbols.remove(key); |
| 517 |
symbols.put(key, newSymbol); |
| 518 |
fireClassifiedSymbolChangeEvent( |
| 519 |
new SymbolLegendEvent(oldSymbol, newSymbol));
|
| 520 |
} |
| 521 |
} |
| 522 |
} |
| 523 |
} |
| 524 |
|
| 525 |
public Object clone() throws CloneNotSupportedException { |
| 526 |
AbstractIntervalLegend clone = (AbstractIntervalLegend) super.clone();
|
| 527 |
|
| 528 |
// Clone null interval symbol
|
| 529 |
if (nullIntervalSymbol != null) { |
| 530 |
clone.nullIntervalSymbol = (ISymbol) nullIntervalSymbol.clone(); |
| 531 |
} |
| 532 |
|
| 533 |
// Clone default symbol
|
| 534 |
if (defaultSymbol != null) { |
| 535 |
clone.defaultSymbol = (ISymbol) defaultSymbol.clone(); |
| 536 |
} |
| 537 |
// Clone keys
|
| 538 |
clone.keys = new ArrayList<Object>(); |
| 539 |
|
| 540 |
// Clone symbols
|
| 541 |
if (symbols != null) { |
| 542 |
clone.symbols = createSymbolMap(); |
| 543 |
for (Iterator<Entry<Object, ISymbol>> iterator = |
| 544 |
symbols.entrySet().iterator(); iterator.hasNext();) {
|
| 545 |
Entry<Object, ISymbol> entry = iterator.next();
|
| 546 |
IInterval intervalClone = |
| 547 |
(IInterval) ((IInterval) entry.getKey()).clone(); |
| 548 |
ISymbol symbolClone = |
| 549 |
(ISymbol) ((ISymbol) entry.getValue()).clone(); |
| 550 |
clone.addSymbol(intervalClone, symbolClone); |
| 551 |
} |
| 552 |
} |
| 553 |
|
| 554 |
return clone;
|
| 555 |
} |
| 556 |
|
| 557 |
@SuppressWarnings("unchecked") |
| 558 |
public void loadFromState(PersistentState state) |
| 559 |
throws PersistenceException {
|
| 560 |
// Set parent properties
|
| 561 |
super.loadFromState(state);
|
| 562 |
// Set own properties
|
| 563 |
setIntervalType(state.getInt(FIELD_INTERVAL_TYPE)); |
| 564 |
keys = new ArrayList<Object>(state.getList(FIELD_KEYS)); |
| 565 |
nullIntervalSymbol = (ISymbol) state.get(FIELD_NULL_INTERVAL_SYMBOL); |
| 566 |
useDefaultSymbol(state.getBoolean(FIELD_USE_DEFAULT_SYMBOL)); |
| 567 |
Map persistedSymbolMap = (Map) state.get(FIELD_SYMBOLS); |
| 568 |
if (persistedSymbolMap != null) { |
| 569 |
symbols.putAll(persistedSymbolMap); |
| 570 |
} |
| 571 |
} |
| 572 |
|
| 573 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 574 |
// Save parent properties
|
| 575 |
super.saveToState(state);
|
| 576 |
// Save own properties
|
| 577 |
state.set(FIELD_INTERVAL_TYPE, getIntervalType()); |
| 578 |
state.set(FIELD_KEYS, keys); |
| 579 |
state.set(FIELD_NULL_INTERVAL_SYMBOL, nullIntervalSymbol); |
| 580 |
state.set(FIELD_USE_DEFAULT_SYMBOL, isUseDefaultSymbol()); |
| 581 |
state.set(FIELD_SYMBOLS, symbols); |
| 582 |
} |
| 583 |
|
| 584 |
public static void registerPersistence() { |
| 585 |
// Add the DynClass definition.
|
| 586 |
DynClass dynClass = |
| 587 |
ToolsLocator.getDynObjectManager().add( |
| 588 |
INTERVAL_LEGEND_DYNCLASS_NAME); |
| 589 |
|
| 590 |
// Extend the Classified Vector Legend base definition
|
| 591 |
dynClass.extend(CLASSIFIED_VECTOR_LEGEND_DYNCLASS_NAME); |
| 592 |
|
| 593 |
// Interval type
|
| 594 |
dynClass.addDynFieldInt(FIELD_INTERVAL_TYPE).setMandatory(true);
|
| 595 |
// Keys
|
| 596 |
dynClass.addDynFieldList(FIELD_KEYS); |
| 597 |
// Null interval symbol
|
| 598 |
dynClass.addDynFieldObject(FIELD_NULL_INTERVAL_SYMBOL); |
| 599 |
// Use default symbol?
|
| 600 |
dynClass.addDynFieldBoolean(FIELD_USE_DEFAULT_SYMBOL); |
| 601 |
// Symbols
|
| 602 |
dynClass.addDynFieldMap(FIELD_SYMBOLS); |
| 603 |
} |
| 604 |
|
| 605 |
private Map<Object, ISymbol> createSymbolMap() { |
| 606 |
return new TreeMap<Object, ISymbol> |
| 607 |
(new Comparator<Object>() { |
| 608 |
public int compare(Object o1, Object o2) { |
| 609 |
if ((o1 != null) && (o2 != null)) { |
| 610 |
// if (o1 instanceof NullIntervalValue &&
|
| 611 |
// o2 instanceof NullIntervalValue) {
|
| 612 |
// return 0;
|
| 613 |
// }
|
| 614 |
//
|
| 615 |
// if (o2 instanceof NullIntervalValue) {
|
| 616 |
// return 1;
|
| 617 |
// }
|
| 618 |
//
|
| 619 |
// if (o1 instanceof NullIntervalValue) {
|
| 620 |
// return -1;
|
| 621 |
// }
|
| 622 |
|
| 623 |
FInterval i2 = (FInterval) o2; |
| 624 |
FInterval i1 = (FInterval) o1; |
| 625 |
|
| 626 |
if (i1.getMin() > i2.getMin()) {
|
| 627 |
return 1; |
| 628 |
} |
| 629 |
|
| 630 |
if (i1.getMin() < i2.getMin()) {
|
| 631 |
return -1; |
| 632 |
} |
| 633 |
if (i1.getMax() < i2.getMax()) {
|
| 634 |
return -1; |
| 635 |
} |
| 636 |
if (i1.getMax() > i2.getMax()) {
|
| 637 |
return 1; |
| 638 |
} |
| 639 |
} |
| 640 |
|
| 641 |
return 0; |
| 642 |
} |
| 643 |
}); |
| 644 |
} |
| 645 |
} |