root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / AbstractIntervalLegend.java @ 10679
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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 10679 2007-03-09 11:25:01Z jaume $
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* $Log$
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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.TreeMap; |
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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.Value; |
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import com.iver.cit.gvsig.fmap.core.IFeature; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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public abstract class AbstractIntervalLegend implements IntervalLegend{ |
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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 symbols = new TreeMap(new Comparator() { |
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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 keys = new ArrayList(); |
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protected int index = 0; |
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protected String fieldName; |
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private int fieldId; |
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private ISymbol defaultSymbol;
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private DataSource dataSource; |
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protected int intervalType = NATURAL_INTERVALS; |
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protected boolean useDefaultSymbol = false; |
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protected String labelFieldName; |
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protected String labelFieldHeight; |
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protected String labelFieldRotation; |
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public void addSymbol(Object key, ISymbol symbol) { |
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//TODO guardar los intervalos.
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Object resul;
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resul = symbols.put(key, symbol); |
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/*if (resul != null) {
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System.err.println("Error: la clave " + key +
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" ya exist?a. Resul = " + resul);
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System.err.println("symbol nuevo:" + symbol.m_Descrip +
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" Sviejo= " + ((FSymbol) resul).m_Descrip);
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} else {
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*/
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keys.add(key); |
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//}
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#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(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 {
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return getDefaultSymbol();
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} |
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} |
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public ISymbol getSymbolByInterval(IInterval key) {
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if (key == null) { |
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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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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 getFieldName() { |
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return fieldName;
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} |
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public void setDefaultSymbol(ISymbol s) { |
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defaultSymbol = s; |
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} |
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public void setFieldName(String str) { |
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fieldName = str; |
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} |
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/**
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* @deprecated
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*/
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public void setLabelField(String fieldName) { |
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labelFieldName = fieldName; |
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} |
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/**
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* @deprecated
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*/
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public String getLabelField() { |
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return labelFieldName;
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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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return defaultSymbol;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setDataSource(com.hardcode.gdbms.engine.data.DataSource)
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*/
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public void setDataSource(DataSource ds) |
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throws FieldNotFoundException, ReadDriverException {
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dataSource = ds; |
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ds.start(); |
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fieldId = ds.getFieldIndexByName(fieldName); |
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ds.stop(); |
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} |
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/**
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* Devuelve el intervalo a partir del valor.
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*
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* @param v valor.
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*
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* @return intervalo.
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*/
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public IInterval getInterval(Value v) {
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/*if (v instanceof NullValue){
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System.out.println("Si");
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}*/
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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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return null; |
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} |
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public void setIntervalType(int tipoClasificacion) { |
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intervalType = tipoClasificacion; |
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} |
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/**
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* Devuelve el tipo de clasificaci?n de los intervalos.
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*
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* @return Tipo de clasificaci?n.
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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;
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} |
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/**
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* Elimina un s?mbolo a partir de su clave.
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*
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* @param obj clave.
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*/
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public void delSymbol(Object obj) { |
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keys.remove(obj); |
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symbols.remove(obj); |
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} |
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/**
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* @deprecated
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* @return
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*/
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public String[] getUsedFields() { |
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ArrayList usedFields = new ArrayList(); |
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if (getFieldName() != null) |
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usedFields.add(getFieldName()); |
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if (getLabelField() != null) |
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usedFields.add(getLabelField()); |
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if (getLabelHeightField() != null) |
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usedFields.add(getLabelHeightField()); |
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if (getLabelRotationField() != null) |
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usedFields.add(getLabelRotationField()); |
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return (String[]) usedFields.toArray(new String[0]); |
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} |
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/**
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* @deprecated
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* @return
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*/
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public String getLabelHeightField() { |
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return labelFieldHeight;
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} |
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/**
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* Inserta el alto del campo.
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*
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* @param str alto.
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* @deprecated
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*/
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public void setLabelHeightField(String str) { |
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labelFieldHeight = str; |
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} |
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/**
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* @deprecated
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* @return
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*/
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public String getLabelRotationField() { |
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return labelFieldRotation;
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} |
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/**
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* @deprecated
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* Inserta la rotaci?n del campo.
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*
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* @param str Rotaci?n.
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*/
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public void setLabelRotationField(String str) { |
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labelFieldRotation = str; |
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} |
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} |