svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / extension / SelectByAttributesExtension.java @ 44011
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1 | 40558 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40558 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | 41248 | jjdelcerro | * This program is free software; you can redistribute it and/or modify it under
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7 | * the terms of the GNU General Public License as published by the Free Software
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8 | * Foundation; either version 3 of the License, or (at your option) any later
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9 | * version.
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10 | 40435 | jjdelcerro | *
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11 | 41248 | jjdelcerro | * This program is distributed in the hope that it will be useful, but WITHOUT
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12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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13 | * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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14 | * details.
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15 | 40435 | jjdelcerro | *
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16 | 41248 | jjdelcerro | * You should have received a copy of the GNU General Public License along with
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17 | * this program; if not, write to the Free Software Foundation, Inc., 51
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18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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19 | 40435 | jjdelcerro | *
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20 | 41248 | jjdelcerro | * For any additional information, do not hesitate to contact us at info AT
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21 | * gvsig.com, or visit our website www.gvsig.com.
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22 | 40435 | jjdelcerro | */
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23 | package org.gvsig.app.extension; |
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24 | |||
25 | import java.util.Iterator; |
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26 | |||
27 | import javax.swing.JOptionPane; |
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28 | |||
29 | import org.gvsig.andami.IconThemeHelper; |
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30 | import org.gvsig.andami.PluginServices; |
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31 | import org.gvsig.andami.messages.NotificationManager; |
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32 | import org.gvsig.andami.plugins.Extension; |
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33 | 40955 | jldominguez | import org.gvsig.app.ApplicationLocator; |
34 | 41248 | jjdelcerro | import org.gvsig.app.ApplicationManager; |
35 | 40435 | jjdelcerro | import org.gvsig.app.gui.filter.ExpressionListener; |
36 | import org.gvsig.app.gui.filter.FilterDialog; |
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37 | import org.gvsig.app.project.documents.view.ViewDocument; |
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38 | 41264 | jjdelcerro | import org.gvsig.app.project.documents.view.gui.IView; |
39 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.DALLocator; |
40 | import org.gvsig.fmap.dal.DataManager; |
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41 | import org.gvsig.fmap.dal.exception.DataException; |
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42 | import org.gvsig.fmap.dal.feature.Feature; |
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43 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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44 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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45 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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46 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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47 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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48 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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49 | 40955 | jldominguez | import org.gvsig.i18n.Messages; |
50 | 43987 | jjdelcerro | import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
51 | 40435 | jjdelcerro | import org.gvsig.utils.exceptionHandling.ExceptionListener; |
52 | |||
53 | /**
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54 | * Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
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55 | 41248 | jjdelcerro | *
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56 | 40435 | jjdelcerro | * @author Vicente Caballero Navarro
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57 | */
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58 | 43987 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
59 | 41641 | jjdelcerro | public class SelectByAttributesExtension extends Extension implements ExpressionListener { |
60 | 40435 | jjdelcerro | |
61 | protected FeatureStore featureStore = null; |
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62 | private String filterTitle; |
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63 | |||
64 | 43987 | jjdelcerro | @Override
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65 | 40435 | jjdelcerro | public void initialize() { |
66 | 41641 | jjdelcerro | IconThemeHelper.registerIcon("action", "selection-by-attributes", this); |
67 | 40435 | jjdelcerro | } |
68 | |||
69 | 43987 | jjdelcerro | @Override
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70 | 40435 | jjdelcerro | public void execute(String actionCommand) { |
71 | 41264 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
72 | |||
73 | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
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74 | if (view == null) { |
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75 | return;
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76 | } |
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77 | 44011 | jjdelcerro | if ("selection-by-attributes-layer".equals(actionCommand)) { |
78 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
79 | |||
80 | 41248 | jjdelcerro | FLayer layer = document.getMapContext().getLayers().getActives()[0];
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81 | 41744 | jjdelcerro | filterTitle = layer.getName(); |
82 | 41248 | jjdelcerro | featureStore = ((FLyrVect) layer).getFeatureStore(); |
83 | document.setModified(true);
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84 | 44011 | jjdelcerro | SelectByAttributes selector = new SelectByAttributes();
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85 | selector.showWindow(filterTitle, featureStore, WindowManager.MODE.TOOL); |
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86 | 43987 | jjdelcerro | |
87 | 44011 | jjdelcerro | |
88 | } else if ("selection-by-attributes-layer-old".equals(actionCommand)) { |
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89 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
90 | |||
91 | FLayer layer = document.getMapContext().getLayers().getActives()[0];
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92 | filterTitle = layer.getName(); |
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93 | featureStore = ((FLyrVect) layer).getFeatureStore(); |
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94 | document.setModified(true);
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95 | 40435 | jjdelcerro | doExecute(); |
96 | } |
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97 | } |
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98 | |||
99 | /**
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100 | * "execute" method action.
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101 | 41248 | jjdelcerro | *
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102 | 40435 | jjdelcerro | */
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103 | protected void doExecute() { |
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104 | FilterDialog dlg = new FilterDialog(filterTitle);
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105 | dlg.addExpressionListener(this);
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106 | dlg.addExceptionListener(new ExceptionListener() { |
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107 | |||
108 | 43987 | jjdelcerro | @Override
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109 | 40435 | jjdelcerro | public void exceptionThrown(Throwable t) { |
110 | NotificationManager.addError(t.getMessage(), t); |
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111 | } |
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112 | }); |
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113 | dlg.setModel(featureStore); |
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114 | PluginServices.getMDIManager().addWindow(dlg); |
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115 | } |
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116 | |||
117 | 43987 | jjdelcerro | @Override
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118 | 40435 | jjdelcerro | public boolean isEnabled() { |
119 | 41248 | jjdelcerro | return true; |
120 | 40435 | jjdelcerro | } |
121 | |||
122 | 43987 | jjdelcerro | @Override
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123 | 40435 | jjdelcerro | public boolean isVisible() { |
124 | 41248 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
125 | 40435 | jjdelcerro | |
126 | 41264 | jjdelcerro | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
127 | if (view == null) { |
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128 | 40435 | jjdelcerro | return false; |
129 | } |
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130 | 41264 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
131 | 41248 | jjdelcerro | return document.getMapContext().hasActiveVectorLayers();
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132 | 40435 | jjdelcerro | } |
133 | |||
134 | // By Pablo: if no filter expression -> no element selected
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135 | 43987 | jjdelcerro | @Override
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136 | 40435 | jjdelcerro | public void newSet(String expression) throws DataException { |
137 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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138 | FeatureSet set = null;
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139 | try {
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140 | set = doSet(expression); |
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141 | |||
142 | if (set == null) { |
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143 | // throw new RuntimeException("Not a 'where' clause?");
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144 | return;
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145 | } |
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146 | featureStore.setSelection(set); |
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147 | |||
148 | } catch (Exception e) { |
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149 | 41248 | jjdelcerro | |
150 | 40955 | jldominguez | JOptionPane.showMessageDialog(
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151 | 41248 | jjdelcerro | ApplicationLocator.getManager().getRootComponent(), |
152 | Messages.getText("expresion_error") + ":\n" |
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153 | 40955 | jldominguez | + getLastMessage(e), |
154 | 41248 | jjdelcerro | Messages.getText("expresion_error"),
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155 | JOptionPane.ERROR_MESSAGE);
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156 | 40435 | jjdelcerro | } finally {
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157 | if (set != null) { |
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158 | set.dispose(); |
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159 | } |
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160 | } |
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161 | } else {
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162 | // By Pablo: if no expression -> no element selected
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163 | featureStore.getFeatureSelection().deselectAll(); |
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164 | } |
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165 | } |
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166 | |||
167 | private FeatureSet doSet(String expression) throws DataException { |
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168 | FeatureQuery query = featureStore.createFeatureQuery(); |
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169 | DataManager manager = DALLocator.getDataManager(); |
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170 | query.setFilter(manager.createExpresion(expression)); |
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171 | return featureStore.getFeatureSet(query);
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172 | } |
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173 | |||
174 | 43987 | jjdelcerro | @Override
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175 | 40435 | jjdelcerro | public void addToSet(String expression) throws DataException { |
176 | // By Pablo: if no filter expression -> don't add more elements to set
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177 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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178 | FeatureSet set = null;
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179 | try {
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180 | set = doSet(expression); |
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181 | |||
182 | if (set == null) { |
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183 | // throw new RuntimeException("Not a 'where' clause?");
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184 | return;
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185 | } |
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186 | featureStore.getFeatureSelection().select(set); |
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187 | } finally {
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188 | if (set != null) { |
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189 | set.dispose(); |
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190 | } |
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191 | } |
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192 | } |
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193 | } |
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194 | |||
195 | 43987 | jjdelcerro | @Override
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196 | 40435 | jjdelcerro | public void fromSet(String expression) throws DataException { |
197 | // By Pablo: if no filter expression -> no element selected
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198 | try {
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199 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
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200 | // NotificationManager.showMessageInfo("Falta por implementar",
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201 | // null);
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202 | |||
203 | 43987 | jjdelcerro | FeatureSet set; |
204 | 40435 | jjdelcerro | set = doSet(expression); |
205 | |||
206 | if (set == null) { |
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207 | throw new RuntimeException("Not a 'where' clause?"); |
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208 | } |
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209 | |||
210 | 41248 | jjdelcerro | FeatureSelection oldSelection |
211 | = featureStore.getFeatureSelection(); |
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212 | 40435 | jjdelcerro | |
213 | 41248 | jjdelcerro | FeatureSelection newSelection |
214 | = featureStore.createFeatureSelection(); |
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215 | 40435 | jjdelcerro | Iterator iterator = set.iterator();
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216 | while (iterator.hasNext()) {
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217 | Feature feature = (Feature) iterator.next(); |
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218 | if (oldSelection.isSelected(feature)) {
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219 | newSelection.select(feature); |
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220 | } |
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221 | } |
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222 | featureStore.setSelection(newSelection); |
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223 | set.dispose(); |
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224 | |||
225 | } else {
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226 | // By Pablo: if no expression -> no element selected
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227 | featureStore.getFeatureSelection().deselectAll(); |
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228 | } |
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229 | } catch (DataException e) {
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230 | NotificationManager.addError(e); |
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231 | } |
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232 | |||
233 | } |
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234 | |||
235 | /**
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236 | * Returns true if the WHERE subconsultation of the filterExpression is
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237 | * empty ("")
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238 | 41248 | jjdelcerro | *
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239 | 40435 | jjdelcerro | * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
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240 | 41248 | jjdelcerro | * @param expression An string
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241 | 40435 | jjdelcerro | * @return A boolean value
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242 | */
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243 | private boolean filterExpressionFromWhereIsEmpty(String expression) { |
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244 | 41248 | jjdelcerro | |
245 | 40435 | jjdelcerro | if (expression == null) { |
246 | return true; |
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247 | } |
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248 | 41248 | jjdelcerro | |
249 | 40435 | jjdelcerro | String subExpression = expression.trim();
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250 | 41248 | jjdelcerro | |
251 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
252 | return true; |
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253 | } |
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254 | 41248 | jjdelcerro | |
255 | 40435 | jjdelcerro | int pos;
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256 | |||
257 | // Remove last ';' if exists
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258 | if (subExpression.charAt(subExpression.length() - 1) == ';') { |
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259 | 41248 | jjdelcerro | subExpression |
260 | = subExpression.substring(0, subExpression.length() - 1).trim(); |
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261 | 40435 | jjdelcerro | } |
262 | |||
263 | // If there is no 'where' clause
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264 | if ((pos = subExpression.indexOf("where")) == -1) { |
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265 | return false; |
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266 | } |
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267 | |||
268 | // If there is no subexpression in the WHERE clause -> true
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269 | 41248 | jjdelcerro | // + 5 is the length of 'where'
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270 | subExpression = subExpression.substring(pos + 5, subExpression.length()).trim();
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271 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
272 | return true; |
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273 | } else {
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274 | return false; |
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275 | } |
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276 | } |
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277 | 41248 | jjdelcerro | |
278 | 40955 | jldominguez | private String getLastMessage(Throwable ex) { |
279 | 41248 | jjdelcerro | |
280 | 40955 | jldominguez | Throwable p = ex;
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281 | while (p.getCause() != null && p.getCause() != p) { |
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282 | p = p.getCause(); |
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283 | } |
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284 | return p.getMessage();
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285 | 41248 | jjdelcerro | } |
286 | } |