root / branches / simbologia / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / AbstractIntervalLegend.java @ 10293
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1 | 10293 | jaume | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | |||
42 | /* CVS MESSAGES:
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43 | *
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44 | * $Id$
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45 | * $Log$
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46 | * Revision 1.1.2.1 2007-02-13 16:19:19 jaume
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47 | * graduated symbol legends (start commiting)
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48 | *
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49 | *
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50 | */
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51 | package com.iver.cit.gvsig.fmap.rendering; |
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52 | |||
53 | import java.util.ArrayList; |
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54 | import java.util.Comparator; |
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55 | import java.util.TreeMap; |
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56 | |||
57 | import com.hardcode.gdbms.engine.data.DataSource; |
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58 | import com.hardcode.gdbms.engine.instruction.FieldNotFoundException; |
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59 | import com.hardcode.gdbms.engine.values.Value; |
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60 | import com.iver.cit.gvsig.fmap.DriverException; |
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61 | import com.iver.cit.gvsig.fmap.core.FShape; |
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62 | import com.iver.cit.gvsig.fmap.core.IFeature; |
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63 | import com.iver.cit.gvsig.fmap.core.ISymbol; |
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64 | import com.iver.cit.gvsig.fmap.core.symbols.SimpleFillSymbol; |
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65 | import com.iver.cit.gvsig.fmap.core.symbols.SimpleLineSymbol; |
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66 | import com.iver.cit.gvsig.fmap.core.symbols.SimpleMarkerSymbol; |
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67 | |||
68 | public abstract class AbstractIntervalLegend implements IntervalLegend{ |
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69 | |||
70 | public static final int EQUAL_INTERVALS = 0; |
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71 | public static final int NATURAL_INTERVALS = 1; |
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72 | public static final int QUANTILE_INTERVALS = 2; |
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73 | protected TreeMap symbols = new TreeMap(new Comparator() { |
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74 | public int compare(Object o1, Object o2) { |
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75 | if ((o1 != null) && (o2 != null)) { |
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76 | if (o1 instanceof NullIntervalValue && |
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77 | o2 instanceof NullIntervalValue) {
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78 | return 0; |
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79 | } |
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80 | |||
81 | if (o2 instanceof NullIntervalValue) { |
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82 | return 1; |
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83 | } |
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84 | |||
85 | if (o1 instanceof NullIntervalValue) { |
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86 | return -1; |
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87 | } |
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88 | |||
89 | FInterval i2 = (FInterval) o2; |
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90 | FInterval i1 = (FInterval) o1; |
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91 | |||
92 | if (i1.getMin() > i2.getMin()) {
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93 | return 1; |
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94 | } |
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95 | |||
96 | if (i1.getMin() < i2.getMin()) {
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97 | return -1; |
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98 | } |
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99 | if (i1.getMax() < i2.getMax()) {
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100 | return -1; |
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101 | } |
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102 | if (i1.getMax() > i2.getMax()) {
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103 | return 1; |
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104 | } |
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105 | } |
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106 | |||
107 | return 0; |
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108 | } |
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109 | }); |
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110 | protected ArrayList keys = new ArrayList(); |
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111 | protected int index = 0; |
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112 | protected String fieldName; |
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113 | private int fieldId; |
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114 | private ISymbol defaultSymbol;
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115 | private DataSource dataSource; |
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116 | private int shapeType; |
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117 | protected int intervalType = NATURAL_INTERVALS; |
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118 | protected boolean useDefaultSymbol = false; |
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119 | protected String labelFieldName; |
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120 | protected String labelFieldHeight; |
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121 | protected String labelFieldRotation; |
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122 | |||
123 | public void addSymbol(Object key, ISymbol symbol) { |
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124 | //TODO guardar los intervalos.
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125 | Object resul;
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126 | resul = symbols.put(key, symbol); |
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127 | |||
128 | /*if (resul != null) {
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129 | System.err.println("Error: la clave " + key +
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130 | " ya exist?a. Resul = " + resul);
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131 | System.err.println("symbol nuevo:" + symbol.m_Descrip +
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132 | " Sviejo= " + ((FSymbol) resul).m_Descrip);
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133 | } else {
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134 | */
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135 | keys.add(key); |
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136 | |||
137 | //}
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138 | } |
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139 | |||
140 | /**
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141 | * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getSymbol(int)
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142 | */
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143 | public ISymbol getSymbol(int recordIndex) throws DriverException { |
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144 | try {
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145 | Value val = dataSource.getFieldValue(recordIndex, fieldId); |
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146 | IInterval interval = getInterval(val); |
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147 | ISymbol theSymbol = getSymbolByInterval(interval); |
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148 | |||
149 | if (theSymbol != null) { |
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150 | return theSymbol;
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151 | } else if (useDefaultSymbol) { |
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152 | return getDefaultSymbol();
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153 | } |
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154 | |||
155 | return null; |
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156 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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157 | throw new DriverException(e); |
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158 | } |
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159 | } |
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160 | |||
161 | /**
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162 | * Devuelve un s?mbolo a partir de una IFeature.
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163 | * OJO!! Cuando usamos un feature iterator de base de datos
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164 | * el ?nico campo que vendr? rellenado es el de fieldID.
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165 | * Los dem?s vendr?n a nulos para ahorra tiempo de creaci?n.
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166 | *
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167 | * @param feat IFeature.
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168 | *
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169 | * @return S?mbolo.
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170 | */
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171 | public ISymbol getSymbolByFeature(IFeature feat) {
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172 | Value val = feat.getAttribute(fieldId); |
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173 | IInterval interval = getInterval(val); |
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174 | ISymbol theSymbol = getSymbolByInterval(interval); |
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175 | |||
176 | if (theSymbol != null) { |
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177 | return theSymbol;
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178 | } else {
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179 | return getDefaultSymbol();
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180 | } |
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181 | } |
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182 | |||
183 | /**
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184 | * Devuelve el s?mbolo a partir del intervalo.
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185 | *
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186 | * @param key intervalo.
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187 | *
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188 | * @return s?mbolo.
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189 | */
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190 | public ISymbol getSymbolByInterval(IInterval key) {
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191 | if (key == null) { |
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192 | return null; |
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193 | } |
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194 | |||
195 | if (symbols.containsKey(key)) {
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196 | return (ISymbol) symbols.get(key);
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197 | } |
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198 | |||
199 | return null; |
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200 | } |
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201 | |||
202 | public String[] getDescriptions() { |
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203 | String[] descriptions = new String[symbols.size()]; |
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204 | ISymbol[] auxSym = getSymbols();
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205 | |||
206 | for (int i = 0; i < descriptions.length; i++) |
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207 | descriptions[i] = auxSym[i].getDescription(); |
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208 | |||
209 | return descriptions;
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210 | } |
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211 | |||
212 | |||
213 | public Object[] getValues() { |
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214 | return symbols.keySet().toArray();
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215 | } |
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216 | |||
217 | public void setIntervalSymbol(IInterval interval, ISymbol symbol) { |
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218 | /*symbols.put(interval, symbol);
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219 | values.put(new Integer(index), interval);
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220 | index++;
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221 | */
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222 | } |
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223 | |||
224 | |||
225 | public void changeInterval(int index, IInterval newInterval) { |
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226 | /*Object value = values.remove(new Integer(index));
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227 | Object symbol = symbols.remove(value);
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228 | values.put(new Integer(index), newInterval);
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229 | symbols.put(newInterval, symbol);
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230 | */
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231 | } |
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232 | |||
233 | public void clear() { |
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234 | index = 0;
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235 | keys.clear(); |
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236 | symbols.clear(); |
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237 | } |
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238 | |||
239 | public ISymbol[] getSymbols() { |
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240 | return (ISymbol[]) symbols.values().toArray(new ISymbol[0]); |
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241 | } |
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242 | |||
243 | public String getFieldName() { |
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244 | return fieldName;
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245 | } |
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246 | |||
247 | public void setDefaultSymbol(ISymbol s) { |
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248 | defaultSymbol = s; |
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249 | } |
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250 | |||
251 | public void setFieldName(String str) { |
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252 | fieldName = str; |
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253 | } |
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254 | |||
255 | public void setLabelField(String fieldName) { |
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256 | labelFieldName = fieldName; |
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257 | } |
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258 | |||
259 | public String getLabelField() { |
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260 | return labelFieldName;
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261 | } |
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262 | |||
263 | public ISymbol getDefaultSymbol() {
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264 | NullIntervalValue niv=new NullIntervalValue();
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265 | if (symbols.containsKey(niv))
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266 | return (ISymbol)symbols.get(niv);
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267 | return defaultSymbol;
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268 | } |
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269 | |||
270 | public void setDataSource(DataSource ds) throws FieldNotFoundException, DriverException { |
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271 | try {
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272 | dataSource = ds; |
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273 | ds.start(); |
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274 | fieldId = ds.getFieldIndexByName(fieldName); |
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275 | ds.stop(); |
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276 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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277 | throw new DriverException(e); |
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278 | } |
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279 | } |
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280 | |||
281 | /**
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282 | * Devuelve el intervalo a partir del valor.
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283 | *
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284 | * @param v valor.
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285 | *
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286 | * @return intervalo.
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287 | */
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288 | public IInterval getInterval(Value v) {
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289 | /*if (v instanceof NullValue){
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290 | System.out.println("Si");
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291 | }*/
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292 | for (int i = 0; i < keys.size(); i++) { |
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293 | if (((IInterval) keys.get(i)).isInInterval(v)) {
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294 | return (IInterval) keys.get(i);
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295 | } |
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296 | } |
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297 | |||
298 | return null; |
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299 | } |
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300 | |||
301 | public int getShapeType() { |
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302 | return shapeType;
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303 | } |
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304 | |||
305 | public void setShapeType(int shapeType) { |
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306 | if (this.shapeType != shapeType) { |
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307 | switch (shapeType) {
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308 | case FShape.POINT:
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309 | defaultSymbol = new SimpleMarkerSymbol();
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310 | |||
311 | break;
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312 | |||
313 | case FShape.LINE:
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314 | defaultSymbol = new SimpleLineSymbol();
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315 | |||
316 | break;
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317 | |||
318 | case FShape.POLYGON:
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319 | defaultSymbol = new SimpleFillSymbol();
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320 | |||
321 | break;
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322 | |||
323 | default:
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324 | throw new Error("Unknown symbol type"); |
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325 | // defaultSymbol = new FSymbol(shapeType);
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326 | } |
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327 | |||
328 | this.shapeType = shapeType;
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329 | } |
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330 | } |
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331 | |||
332 | /**
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333 | * Inserta el tipo de clasificaci?n de los intervalos.
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334 | *
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335 | * @param tipoClasificacion Tipo de clasificaci?n.
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336 | */
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337 | public void setIntervalType(int tipoClasificacion) { |
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338 | intervalType = tipoClasificacion; |
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339 | } |
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340 | |||
341 | /**
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342 | * Devuelve el tipo de clasificaci?n de los intervalos.
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343 | *
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344 | * @return Tipo de clasificaci?n.
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345 | */
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346 | public int getIntervalType() { |
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347 | return intervalType;
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348 | } |
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349 | |||
350 | /**
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351 | * Inserta si se representan el resto de valores o no.
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352 | *
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353 | * @param b True si se tienen que representar el resto de valores.
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354 | */
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355 | public void useDefaultSymbol(boolean b) { |
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356 | useDefaultSymbol = b; |
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357 | } |
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358 | |||
359 | /**
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360 | * Devuelve si se utiliza o no el resto de valores para representarse.
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361 | *
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362 | * @return True si se utiliza el resto de valores.
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363 | */
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364 | public boolean isUseDefaultSymbol() { |
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365 | return useDefaultSymbol;
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366 | } |
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367 | |||
368 | /**
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369 | * Elimina un s?mbolo a partir de su clave.
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370 | *
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371 | * @param obj clave.
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372 | */
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373 | public void delSymbol(Object obj) { |
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374 | keys.remove(obj); |
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375 | symbols.remove(obj); |
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376 | } |
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377 | |||
378 | public String[] getUsedFields() { |
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379 | ArrayList usedFields = new ArrayList(); |
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380 | if (getFieldName() != null) |
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381 | usedFields.add(getFieldName()); |
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382 | if (getLabelField() != null) |
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383 | usedFields.add(getLabelField()); |
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384 | if (getLabelHeightField() != null) |
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385 | usedFields.add(getLabelHeightField()); |
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386 | if (getLabelRotationField() != null) |
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387 | usedFields.add(getLabelRotationField()); |
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388 | |||
389 | return (String[]) usedFields.toArray(new String[0]); |
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390 | |||
391 | } |
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392 | |||
393 | public String getLabelHeightField() { |
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394 | return labelFieldHeight;
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395 | } |
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396 | |||
397 | /**
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398 | * Inserta el alto del campo.
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399 | *
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400 | * @param str alto.
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401 | */
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402 | public void setLabelHeightField(String str) { |
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403 | labelFieldHeight = str; |
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404 | } |
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405 | |||
406 | public String getLabelRotationField() { |
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407 | return labelFieldRotation;
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408 | } |
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409 | |||
410 | /**
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411 | * Inserta la rotaci?n del campo.
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412 | *
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413 | * @param str Rotaci?n.
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414 | */
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415 | public void setLabelRotationField(String str) { |
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416 | labelFieldRotation = str; |
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417 | } |
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418 | |||
419 | } |