root / branches / v2_0_0_prep / applications / appgvSIG / src / com / iver / cit / gvsig / FiltroExtension.java @ 21665
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1 | 2183 | fernando | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 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 | package com.iver.cit.gvsig; |
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42 | |||
43 | 8559 | ldiaz | import java.awt.Component; |
44 | 4682 | jorpiell | import java.io.IOException; |
45 | |||
46 | 8559 | ldiaz | import javax.swing.JOptionPane; |
47 | |||
48 | 21354 | vcaballero | import org.gvsig.data.ReadException; |
49 | 21665 | vcaballero | import org.gvsig.data.vectorial.FeatureStore; |
50 | 20994 | jmvivo | import org.gvsig.fmap.mapcontext.layers.FBitSet; |
51 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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52 | import org.gvsig.fmap.mapcontext.layers.LayerFactory; |
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53 | import org.gvsig.fmap.mapcontext.layers.operations.AlphanumericData; |
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54 | 21665 | vcaballero | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
55 | 20994 | jmvivo | |
56 | 2183 | fernando | import com.iver.andami.PluginServices; |
57 | import com.iver.andami.messages.NotificationManager; |
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58 | import com.iver.andami.plugins.Extension; |
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59 | 6877 | cesar | import com.iver.andami.ui.mdiManager.IWindow; |
60 | 2183 | fernando | import com.iver.cit.gvsig.gui.filter.DefaultExpressionDataSource; |
61 | import com.iver.cit.gvsig.gui.filter.ExpressionListener; |
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62 | import com.iver.cit.gvsig.gui.filter.FilterDialog; |
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63 | 9532 | caballero | import com.iver.cit.gvsig.project.documents.ProjectDocument; |
64 | 7304 | caballero | import com.iver.cit.gvsig.project.documents.table.gui.Table; |
65 | 7392 | sbayarri | import com.iver.cit.gvsig.project.documents.view.IProjectView; |
66 | 2183 | fernando | import com.iver.utiles.exceptionHandling.ExceptionListener; |
67 | |||
68 | |||
69 | 6217 | caballero | /**
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70 | 2183 | fernando | * Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
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71 | *
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72 | * @author Vicente Caballero Navarro
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73 | */
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74 | 5005 | jorpiell | public class FiltroExtension extends Extension implements ExpressionListener { |
75 | 21665 | vcaballero | protected FeatureStore featureStore = null; |
76 | protected Table table;
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77 | 7028 | ldiaz | private String filterTitle; |
78 | 2183 | fernando | |
79 | /**
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80 | * DOCUMENT ME!
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81 | */
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82 | 5005 | jorpiell | public void initialize() { |
83 | 14821 | jmvivo | registerIcons(); |
84 | 2183 | fernando | } |
85 | |||
86 | 14821 | jmvivo | private void registerIcons(){ |
87 | 15647 | jmvivo | PluginServices.getIconTheme().registerDefault( |
88 | 14821 | jmvivo | "table-filter",
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89 | this.getClass().getClassLoader().getResource("images/Filtro.png") |
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90 | ); |
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91 | } |
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92 | |||
93 | 2183 | fernando | /**
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94 | * DOCUMENT ME!
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95 | *
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96 | * @param actionCommand DOCUMENT ME!
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97 | */
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98 | public void execute(String actionCommand) { |
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99 | if ("FILTRO".equals(actionCommand)) { |
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100 | try {
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101 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
102 | 2183 | fernando | |
103 | if (v instanceof Table) { |
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104 | 21665 | vcaballero | table = (Table) v; |
105 | 7392 | sbayarri | |
106 | 21665 | vcaballero | featureStore = table.getModel().getModelo(); |
107 | filterTitle = table.getModel().getName(); |
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108 | table.getModel().setModified(true);
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109 | 7304 | caballero | } else if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
110 | 7392 | sbayarri | IProjectView pv = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel(); |
111 | 7414 | sbayarri | filterTitle = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel().getName(); |
112 | 2610 | fernando | FLayer layer = pv.getMapContext() |
113 | 4682 | jorpiell | .getLayers().getActives()[0];
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114 | 21665 | vcaballero | featureStore = ((FLyrVect)layer).getFeatureStore();//pv.getProject().getDataSourceByLayer(layer);
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115 | 9532 | caballero | ((ProjectDocument)pv).setModified(true);
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116 | 2183 | fernando | } |
117 | 21354 | vcaballero | } catch (ReadException e) {
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118 | 4682 | jorpiell | NotificationManager.addError("Error filtrando", e);
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119 | 6217 | caballero | } |
120 | 2183 | fernando | |
121 | 4682 | jorpiell | doExecute(); |
122 | } |
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123 | } |
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124 | 6217 | caballero | |
125 | 4682 | jorpiell | /**
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126 | 6217 | caballero | * "execute" method action.
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127 | 4682 | jorpiell | *
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128 | */
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129 | protected void doExecute(){ |
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130 | 10661 | caballero | DefaultExpressionDataSource ds = new DefaultExpressionDataSource();
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131 | 21665 | vcaballero | ds.setTable(featureStore); |
132 | 10661 | caballero | FilterDialog dlg = new FilterDialog(filterTitle);
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133 | dlg.addExpressionListener(this);
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134 | dlg.addExceptionListener(new ExceptionListener() { |
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135 | public void exceptionThrown(Throwable t) { |
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136 | NotificationManager.addError(t.getMessage(), t); |
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137 | } |
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138 | }); |
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139 | dlg.setModel(ds); |
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140 | PluginServices.getMDIManager().addWindow(dlg); |
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141 | 2183 | fernando | } |
142 | |||
143 | /**
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144 | * DOCUMENT ME!
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145 | *
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146 | * @return DOCUMENT ME!
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147 | */
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148 | public boolean isEnabled() { |
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149 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
150 | 6778 | jmvivo | |
151 | if (v == null) { |
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152 | return false; |
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153 | } |
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154 | |||
155 | if (v instanceof Table) { |
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156 | return true; |
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157 | } else {
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158 | 7304 | caballero | if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
159 | com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
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160 | 7392 | sbayarri | IProjectView pv = view.getModel(); |
161 | 6778 | jmvivo | FLayer[] seleccionadas = pv.getMapContext().getLayers()
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162 | .getActives(); |
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163 | |||
164 | if (seleccionadas.length == 1) { |
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165 | if (seleccionadas[0].isAvailable() && seleccionadas[0] instanceof AlphanumericData) { |
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166 | return true; |
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167 | } |
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168 | } |
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169 | } |
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170 | |||
171 | return false; |
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172 | } |
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173 | |||
174 | 2183 | fernando | } |
175 | |||
176 | /**
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177 | * DOCUMENT ME!
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178 | *
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179 | * @return DOCUMENT ME!
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180 | */
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181 | public boolean isVisible() { |
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182 | 6880 | cesar | IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
183 | 2183 | fernando | |
184 | if (v == null) { |
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185 | return false; |
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186 | } |
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187 | |||
188 | 5900 | jorpiell | if (v instanceof Table) { |
189 | 2183 | fernando | return true; |
190 | } else {
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191 | 7304 | caballero | if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
192 | com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
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193 | 7392 | sbayarri | IProjectView pv = view.getModel(); |
194 | 2183 | fernando | FLayer[] seleccionadas = pv.getMapContext().getLayers()
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195 | 4682 | jorpiell | .getActives(); |
196 | 2183 | fernando | |
197 | if (seleccionadas.length == 1) { |
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198 | if (seleccionadas[0] instanceof AlphanumericData) { |
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199 | return true; |
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200 | } |
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201 | } |
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202 | } |
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203 | |||
204 | return false; |
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205 | } |
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206 | } |
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207 | |||
208 | /**
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209 | * DOCUMENT ME!
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210 | *
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211 | * @param expression DOCUMENT ME!
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212 | */
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213 | public void newSet(String expression) { |
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214 | 9494 | ppiqueras | // By Pablo: if no filter expression -> no element selected
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215 | if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
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216 | try {
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217 | long[] sel = doSet(expression); |
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218 | 9532 | caballero | |
219 | 9494 | ppiqueras | if (sel == null) { |
220 | //throw new RuntimeException("Not a 'where' clause?");
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221 | return;
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222 | } |
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223 | 9532 | caballero | |
224 | 9494 | ppiqueras | FBitSet selection = new FBitSet();
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225 | 9532 | caballero | |
226 | 9494 | ppiqueras | for (int i = 0; i < sel.length; i++) { |
227 | selection.set((int) sel[i]);
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228 | } |
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229 | 9532 | caballero | |
230 | 21665 | vcaballero | featureStore.getSelection().clear(); |
231 | featureStore.setSelection(selection); |
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232 | 9494 | ppiqueras | }catch(Exception e){ |
233 | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), "Asegurate de que la consulta es correcta."); |
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234 | 8559 | ldiaz | } |
235 | 9494 | ppiqueras | } |
236 | else {
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237 | // By Pablo: if no expression -> no element selected
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238 | 21665 | vcaballero | featureStore.getSelection().clear(); |
239 | 9532 | caballero | } |
240 | 2183 | fernando | } |
241 | |||
242 | /**
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243 | * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)
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244 | */
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245 | private long[] doSet(String expression) { |
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246 | try {
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247 | DataSource ds = LayerFactory.getDataSourceFactory().executeSQL(expression,
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248 | 2667 | fernando | DataSourceFactory.MANUAL_OPENING); |
249 | 2183 | fernando | |
250 | return ds.getWhereFilter();
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251 | } catch (DriverLoadException e) {
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252 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
253 | 10626 | caballero | } catch (ReadDriverException e) {
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254 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
255 | 2183 | fernando | } catch (ParseException e) { |
256 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
257 | 2183 | fernando | } catch (SemanticException e) {
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258 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"semantic_expresion_error")+"\n"+e.getMessage()); |
259 | 2183 | fernando | } catch (IOException e) { |
260 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"input_output_error")+"\n"+e.getMessage()); |
261 | 2217 | fernando | } catch (EvaluationException e) {
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262 | 10708 | caballero | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
263 | } catch (com.hardcode.gdbms.parser.TokenMgrError e) {
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264 | JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"expresion_error")+"\n"+e.getMessage()); |
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265 | 4682 | jorpiell | } |
266 | 2183 | fernando | return null; |
267 | } |
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268 | |||
269 | /**
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270 | * DOCUMENT ME!
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271 | *
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272 | * @param expression DOCUMENT ME!
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273 | */
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274 | public void addToSet(String expression) { |
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275 | 9494 | ppiqueras | // By Pablo: if no filter expression -> don't add more elements to set
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276 | if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
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277 | long[] sel = doSet(expression); |
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278 | 9532 | caballero | |
279 | 9494 | ppiqueras | if (sel == null) { |
280 | //throw new RuntimeException("Not a 'where' clause?");
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281 | return;
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282 | } |
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283 | 9532 | caballero | |
284 | 9494 | ppiqueras | FBitSet selection = new FBitSet();
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285 | 9532 | caballero | |
286 | 9494 | ppiqueras | for (int i = 0; i < sel.length; i++) { |
287 | selection.set((int) sel[i]);
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288 | } |
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289 | 9532 | caballero | |
290 | 21665 | vcaballero | FBitSet fbs = featureStore.getSelection(); |
291 | 9494 | ppiqueras | fbs.or(selection); |
292 | 21665 | vcaballero | featureStore.setSelection(fbs); |
293 | 2183 | fernando | } |
294 | } |
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295 | |||
296 | /**
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297 | * DOCUMENT ME!
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298 | *
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299 | * @param expression DOCUMENT ME!
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300 | */
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301 | public void fromSet(String expression) { |
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302 | 9494 | ppiqueras | // By Pablo: if no filter expression -> no element selected
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303 | if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
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304 | long[] sel = doSet(expression); |
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305 | 9532 | caballero | |
306 | 9494 | ppiqueras | if (sel == null) { |
307 | throw new RuntimeException("Not a 'where' clause?"); |
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308 | } |
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309 | 9532 | caballero | |
310 | 9494 | ppiqueras | FBitSet selection = new FBitSet();
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311 | 9532 | caballero | |
312 | 9494 | ppiqueras | for (int i = 0; i < sel.length; i++) { |
313 | selection.set((int) sel[i]);
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314 | } |
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315 | 9532 | caballero | |
316 | 21665 | vcaballero | FBitSet fbs = featureStore.getSelection(); |
317 | 9494 | ppiqueras | fbs.and(selection); |
318 | 21665 | vcaballero | featureStore.setSelection(fbs); |
319 | 2183 | fernando | } |
320 | 9494 | ppiqueras | else {
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321 | // By Pablo: if no expression -> no element selected
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322 | 21665 | vcaballero | featureStore.clearSelection(); |
323 | 2183 | fernando | } |
324 | } |
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325 | 9532 | caballero | |
326 | 9494 | ppiqueras | /**
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327 | * Returns true if the WHERE subconsultation of the filterExpression is empty ("")
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328 | 9532 | caballero | *
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329 | 9494 | ppiqueras | * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
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330 | * @param expression An string
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331 | 9532 | caballero | * @return A boolean value
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332 | 9494 | ppiqueras | */
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333 | private boolean filterExpressionFromWhereIsEmpty(String expression) { |
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334 | String subExpression = expression.trim();
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335 | 9532 | caballero | int pos;
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336 | |||
337 | 9494 | ppiqueras | // Remove last ';' if exists
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338 | if (subExpression.charAt(subExpression.length() -1) == ';') |
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339 | subExpression = subExpression.substring(0, subExpression.length() -1).trim(); |
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340 | 9532 | caballero | |
341 | 9494 | ppiqueras | // If there is no 'where' clause
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342 | if ((pos = subExpression.indexOf("where")) == -1) |
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343 | return false; |
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344 | 9532 | caballero | |
345 | 9494 | ppiqueras | // If there is no subexpression in the WHERE clause -> true
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346 | subExpression = subExpression.substring(pos + 5, subExpression.length()).trim(); // + 5 is the length of 'where' |
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347 | if ( subExpression.length() == 0 ) |
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348 | return true; |
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349 | else
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350 | return false; |
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351 | } |
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352 | 2183 | fernando | } |