svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.labeling.app / org.gvsig.labeling.app.mainplugin / src / main / java / org / gvsig / labeling / label / FeatureDependentLabeled.java @ 40673
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1 | 40673 | jldominguez | /* 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: FeatureDependentLabeled.java 10671 2007-03-09 08:33:43Z jaume $
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45 | * $Log$
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46 | * Revision 1.2 2007-03-09 08:33:43 jaume
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47 | * *** empty log message ***
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48 | *
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49 | * Revision 1.1.2.2 2007/02/01 11:42:47 jaume
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50 | * *** empty log message ***
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51 | *
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52 | * Revision 1.1.2.1 2007/01/30 18:10:45 jaume
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53 | * start commiting labeling stuff
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54 | *
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55 | *
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56 | */
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57 | package org.gvsig.labeling.label; |
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58 | |||
59 | |||
60 | import java.util.ArrayList; |
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61 | |||
62 | import org.cresques.cts.IProjection; |
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63 | import org.gvsig.fmap.dal.exception.DataException; |
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64 | import org.gvsig.fmap.dal.exception.ReadException; |
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65 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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66 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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67 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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68 | import org.gvsig.fmap.dal.feature.FeatureType; |
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69 | import org.gvsig.fmap.geom.primitive.Envelope; |
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70 | import org.gvsig.fmap.mapcontext.ViewPort; |
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71 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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72 | import org.gvsig.fmap.mapcontext.layers.vectorial.IntersectsEnvelopeEvaluator; |
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73 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass; |
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74 | import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelingMethod; |
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75 | import org.gvsig.labeling.lang.EvaluatorCreator; |
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76 | import org.gvsig.labeling.lang.LabelClassUtils; |
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77 | import org.gvsig.tools.evaluator.AndEvaluator; |
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78 | import org.gvsig.tools.evaluator.Evaluator; |
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79 | import org.gvsig.tools.persistence.PersistentState; |
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80 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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81 | import org.slf4j.Logger; |
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82 | import org.slf4j.LoggerFactory; |
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83 | |||
84 | |||
85 | public class FeatureDependentLabeled implements ILabelingMethod { |
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86 | |||
87 | private static Logger logger = |
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88 | LoggerFactory.getLogger(FeatureDependentLabeled.class); |
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89 | |||
90 | private boolean flagDefinesPriorities; |
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91 | private ArrayList<ILabelClass> classes = new ArrayList<ILabelClass>(); |
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92 | |||
93 | public void addLabelClass(ILabelClass lbl) throws IllegalArgumentException{ |
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94 | if (getLabelClassByName(lbl.getName()) !=null) { |
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95 | throw new IllegalArgumentException("A class with the same name already exists!"); |
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96 | } |
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97 | classes.add(lbl); |
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98 | } |
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99 | |||
100 | public void deleteLabelClass(ILabelClass lbl) { |
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101 | classes.remove(lbl); |
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102 | } |
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103 | |||
104 | public String getClassName() { |
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105 | return getClass().getName();
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106 | } |
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107 | |||
108 | /*
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109 | public XMLEntity getXMLEntity() {
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110 | XMLEntity xml = new XMLEntity();
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111 | xml.putProperty("className", getClassName());
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112 | xml.putProperty("definesPriorities", definesPriorities());
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113 | |||
114 | LabelClass[] labels = getLabelClasses();
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115 | if (labels!=null) {
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116 | XMLEntity xmlLabels = new XMLEntity();
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117 | xmlLabels.putProperty("id", "LabelClasses");
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118 | for (int i = 0; i < labels.length; i++) {
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119 | xmlLabels.addChild(labels[i].getXMLEntity());
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120 | }
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121 | xml.addChild(xmlLabels);
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122 | }
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123 | return xml;
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124 | }
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125 | */
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126 | |||
127 | public ILabelClass[] getLabelClasses() { |
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128 | return classes.toArray(new ILabelClass[0]); |
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129 | } |
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130 | |||
131 | /*
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132 | public void setXMLEntity(XMLEntity xml) {
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133 | if (xml.contains("definesPriorities"))
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134 | setDefinesPriorities(xml.getBooleanProperty("definesPriorities"));
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135 | |||
136 | XMLEntity aux = xml.firstChild("id", "defaultLabelClass");
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137 | |||
138 | // if (aux!=null)
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139 | // defaultLabel = LabelingFactory.createLabelClassFromXML(aux);
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140 | |||
141 | aux = xml.firstChild("id", "LabelClasses");
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142 | if (aux!=null) {
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143 | for (int i = 0; i < aux.getChildrenCount(); i++) {
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144 | addLabelClass(LabelingFactory.
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145 | createLabelClassFromXML(aux.getChild(i)));
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146 | }
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147 | }
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148 | }
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149 | */
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150 | |||
151 | public boolean allowsMultipleClass() { |
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152 | return true; |
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153 | } |
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154 | |||
155 | public void renameLabelClass(ILabelClass lbl, String newName) { |
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156 | ILabelClass label = (ILabelClass) classes.get(classes.indexOf(lbl)); |
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157 | label.setName(newName); |
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158 | } |
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159 | |||
160 | public FeatureSet getFeatureIteratorByLabelClass(
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161 | FLyrVect layer, |
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162 | ILabelClass lc, |
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163 | ViewPort viewPort, |
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164 | String[] usedFields) throws DataException { |
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165 | |||
166 | Envelope vp_env = viewPort.getAdjustedEnvelope(); |
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167 | IProjection ipro = layer.getProjection(); |
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168 | FeatureType fty = layer.getFeatureStore().getDefaultFeatureType(); |
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169 | String geo_field_name = fty.getDefaultGeometryAttributeName();
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170 | |||
171 | IntersectsEnvelopeEvaluator iee = new IntersectsEnvelopeEvaluator(
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172 | vp_env, ipro, fty, geo_field_name); |
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173 | |||
174 | FeatureQuery fq = null;
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175 | FeatureStore fsto = layer.getFeatureStore(); |
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176 | |||
177 | if (!LabelClassUtils.isUseSqlQuery(lc)) {
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178 | /*
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179 | * No SQL, use only view port filter
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180 | */
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181 | fq = fsto.createFeatureQuery(); |
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182 | fq.addFilter(iee); |
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183 | return fsto.getFeatureSet(fq);
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184 | } |
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185 | |||
186 | /*
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187 | * There is SQL
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188 | */
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189 | String sql_str = lc.getSQLQuery();
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190 | if (! LabelClassUtils.validExpression(sql_str, fsto, true)) { |
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191 | logger.error("SQL for labeling exists but is not valid: " + sql_str);
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192 | } |
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193 | |||
194 | Evaluator eval = EvaluatorCreator.getEvaluator(sql_str); |
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195 | /*
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196 | * This will make the view port evaluator be applied first
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197 | */
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198 | AndEvaluator and_ev = new AndEvaluator(iee);
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199 | and_ev.addEvaluator(eval); |
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200 | fq = fsto.createFeatureQuery(); |
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201 | fq.addFilter(and_ev); |
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202 | return fsto.getFeatureSet(fq);
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203 | } |
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204 | |||
205 | public boolean definesPriorities() { |
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206 | return flagDefinesPriorities;
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207 | } |
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208 | |||
209 | public void setDefinesPriorities(boolean flag) { |
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210 | if (flag == false) { |
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211 | ILabelClass[] lcs = getLabelClasses();
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212 | for (int i = 0; i < lcs.length; i++) { |
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213 | lcs[i].setPriority(0);
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214 | } |
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215 | } |
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216 | flagDefinesPriorities = flag; |
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217 | } |
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218 | |||
219 | public void clearAllClasses() { |
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220 | classes.clear(); |
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221 | } |
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222 | |||
223 | public ILabelClass getLabelClassByName(String labelName) { |
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224 | ILabelClass[] classes = getLabelClasses();
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225 | for (int i = 0; i < classes.length; i++) { |
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226 | if (classes[i].getName().equals(labelName)) {
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227 | return classes[i];
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228 | } |
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229 | } |
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230 | return null; |
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231 | } |
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232 | |||
233 | public ILabelingMethod cloneMethod() {
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234 | // TODO Auto-generated method stub
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235 | throw new Error("Not yet implemented!"); |
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236 | } |
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237 | |||
238 | |||
239 | |||
240 | public void loadFromState(PersistentState arg0) throws PersistenceException { |
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241 | // TODO Auto-generated method stub
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242 | |||
243 | } |
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244 | |||
245 | public void saveToState(PersistentState arg0) throws PersistenceException { |
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246 | // TODO Auto-generated method stub
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247 | |||
248 | } |
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249 | } |