svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / FiltroExtension.java @ 28407
History | View | Annotate | Download (10.5 KB)
| 1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|
| 2 |
*
|
| 3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 4 |
*
|
| 5 |
* This program is free software; you can redistribute it and/or
|
| 6 |
* modify it under the terms of the GNU General Public License
|
| 7 |
* as published by the Free Software Foundation; either version 2
|
| 8 |
* of the License, or (at your option) any later version.
|
| 9 |
*
|
| 10 |
* This program is distributed in the hope that it will be useful,
|
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
* GNU General Public License for more details.
|
| 14 |
*
|
| 15 |
* You should have received a copy of the GNU General Public License
|
| 16 |
* along with this program; if not, write to the Free Software
|
| 17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 18 |
*
|
| 19 |
* For more information, contact:
|
| 20 |
*
|
| 21 |
* Generalitat Valenciana
|
| 22 |
* Conselleria d'Infraestructures i Transport
|
| 23 |
* Av. Blasco Ib??ez, 50
|
| 24 |
* 46010 VALENCIA
|
| 25 |
* SPAIN
|
| 26 |
*
|
| 27 |
* +34 963862235
|
| 28 |
* gvsig@gva.es
|
| 29 |
* www.gvsig.gva.es
|
| 30 |
*
|
| 31 |
* or
|
| 32 |
*
|
| 33 |
* IVER T.I. S.A
|
| 34 |
* Salamanca 50
|
| 35 |
* 46005 Valencia
|
| 36 |
* Spain
|
| 37 |
*
|
| 38 |
* +34 963163400
|
| 39 |
* dac@iver.es
|
| 40 |
*/
|
| 41 |
package com.iver.cit.gvsig; |
| 42 |
|
| 43 |
import java.awt.Component; |
| 44 |
import java.io.IOException; |
| 45 |
|
| 46 |
import javax.swing.JOptionPane; |
| 47 |
|
| 48 |
import com.hardcode.driverManager.DriverLoadException; |
| 49 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
| 50 |
import com.hardcode.gdbms.engine.data.DataSource; |
| 51 |
import com.hardcode.gdbms.engine.data.DataSourceFactory; |
| 52 |
import com.hardcode.gdbms.engine.instruction.EvaluationException; |
| 53 |
import com.hardcode.gdbms.engine.instruction.SemanticException; |
| 54 |
import com.hardcode.gdbms.parser.ParseException; |
| 55 |
import com.iver.andami.PluginServices; |
| 56 |
import com.iver.andami.messages.NotificationManager; |
| 57 |
import com.iver.andami.plugins.Extension; |
| 58 |
import com.iver.andami.ui.mdiManager.IWindow; |
| 59 |
import com.iver.cit.gvsig.fmap.layers.FBitSet; |
| 60 |
import com.iver.cit.gvsig.fmap.layers.FLayer; |
| 61 |
import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
| 62 |
import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
| 63 |
import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
| 64 |
import com.iver.cit.gvsig.gui.filter.DefaultExpressionDataSource; |
| 65 |
import com.iver.cit.gvsig.gui.filter.ExpressionListener; |
| 66 |
import com.iver.cit.gvsig.gui.filter.FilterDialog; |
| 67 |
import com.iver.cit.gvsig.project.documents.ProjectDocument; |
| 68 |
import com.iver.cit.gvsig.project.documents.table.gui.Table; |
| 69 |
import com.iver.cit.gvsig.project.documents.view.IProjectView; |
| 70 |
import com.iver.utiles.exceptionHandling.ExceptionListener; |
| 71 |
|
| 72 |
|
| 73 |
/**
|
| 74 |
* Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
|
| 75 |
*
|
| 76 |
* @author Vicente Caballero Navarro
|
| 77 |
*/
|
| 78 |
public class FiltroExtension extends Extension implements ExpressionListener { |
| 79 |
protected SelectableDataSource dataSource = null; |
| 80 |
protected Table vista;
|
| 81 |
private String filterTitle; |
| 82 |
|
| 83 |
/**
|
| 84 |
* DOCUMENT ME!
|
| 85 |
*/
|
| 86 |
public void initialize() { |
| 87 |
registerIcons(); |
| 88 |
} |
| 89 |
|
| 90 |
private void registerIcons(){ |
| 91 |
PluginServices.getIconTheme().registerDefault( |
| 92 |
"table-filter",
|
| 93 |
this.getClass().getClassLoader().getResource("images/Filtro.png") |
| 94 |
); |
| 95 |
} |
| 96 |
|
| 97 |
/**
|
| 98 |
* DOCUMENT ME!
|
| 99 |
*
|
| 100 |
* @param actionCommand DOCUMENT ME!
|
| 101 |
*/
|
| 102 |
public void execute(String actionCommand) { |
| 103 |
if ("FILTRO".equals(actionCommand)) { |
| 104 |
try {
|
| 105 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
| 106 |
|
| 107 |
if (v instanceof Table) { |
| 108 |
vista = (Table) v; |
| 109 |
|
| 110 |
dataSource = vista.getModel().getModelo().getRecordset(); |
| 111 |
filterTitle = vista.getModel().getName(); |
| 112 |
vista.getModel().setModified(true);
|
| 113 |
} else if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
| 114 |
IProjectView pv = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel(); |
| 115 |
filterTitle = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel().getName(); |
| 116 |
FLayer layer = pv.getMapContext() |
| 117 |
.getLayers().getActives()[0];
|
| 118 |
dataSource = pv.getProject().getDataSourceByLayer(layer); |
| 119 |
((ProjectDocument)pv).setModified(true);
|
| 120 |
} |
| 121 |
} catch (ReadDriverException e) {
|
| 122 |
NotificationManager.addError("Error filtrando", e);
|
| 123 |
} |
| 124 |
|
| 125 |
doExecute(); |
| 126 |
} |
| 127 |
} |
| 128 |
|
| 129 |
/**
|
| 130 |
* "execute" method action.
|
| 131 |
*
|
| 132 |
*/
|
| 133 |
protected void doExecute(){ |
| 134 |
DefaultExpressionDataSource ds = new DefaultExpressionDataSource();
|
| 135 |
ds.setTable(dataSource); |
| 136 |
FilterDialog dlg = new FilterDialog(filterTitle);
|
| 137 |
dlg.addExpressionListener(this);
|
| 138 |
dlg.addExceptionListener(new ExceptionListener() { |
| 139 |
public void exceptionThrown(Throwable t) { |
| 140 |
NotificationManager.addError(t.getMessage(), t); |
| 141 |
} |
| 142 |
}); |
| 143 |
dlg.setModel(ds); |
| 144 |
PluginServices.getMDIManager().addWindow(dlg); |
| 145 |
} |
| 146 |
|
| 147 |
/**
|
| 148 |
* DOCUMENT ME!
|
| 149 |
*
|
| 150 |
* @return DOCUMENT ME!
|
| 151 |
*/
|
| 152 |
public boolean isEnabled() { |
| 153 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
| 154 |
|
| 155 |
if (v == null) { |
| 156 |
return false; |
| 157 |
} |
| 158 |
|
| 159 |
if (v instanceof Table) { |
| 160 |
return true; |
| 161 |
} else {
|
| 162 |
if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
| 163 |
com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
| 164 |
IProjectView pv = view.getModel(); |
| 165 |
FLayer[] seleccionadas = pv.getMapContext().getLayers()
|
| 166 |
.getActives(); |
| 167 |
|
| 168 |
if (seleccionadas.length == 1) { |
| 169 |
if (seleccionadas[0].isAvailable() && seleccionadas[0] instanceof AlphanumericData) { |
| 170 |
return true; |
| 171 |
} |
| 172 |
} |
| 173 |
} |
| 174 |
|
| 175 |
return false; |
| 176 |
} |
| 177 |
|
| 178 |
} |
| 179 |
|
| 180 |
/**
|
| 181 |
* DOCUMENT ME!
|
| 182 |
*
|
| 183 |
* @return DOCUMENT ME!
|
| 184 |
*/
|
| 185 |
public boolean isVisible() { |
| 186 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
| 187 |
|
| 188 |
if (v == null) { |
| 189 |
return false; |
| 190 |
} |
| 191 |
|
| 192 |
if (v instanceof Table) { |
| 193 |
return true; |
| 194 |
} else {
|
| 195 |
if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
| 196 |
com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
| 197 |
IProjectView pv = view.getModel(); |
| 198 |
FLayer[] seleccionadas = pv.getMapContext().getLayers()
|
| 199 |
.getActives(); |
| 200 |
|
| 201 |
if (seleccionadas.length == 1) { |
| 202 |
if (seleccionadas[0] instanceof AlphanumericData) { |
| 203 |
return true; |
| 204 |
} |
| 205 |
} |
| 206 |
} |
| 207 |
|
| 208 |
return false; |
| 209 |
} |
| 210 |
} |
| 211 |
|
| 212 |
/**
|
| 213 |
* DOCUMENT ME!
|
| 214 |
*
|
| 215 |
* @param expression DOCUMENT ME!
|
| 216 |
*/
|
| 217 |
public void newSet(String expression) { |
| 218 |
// By Pablo: if no filter expression -> no element selected
|
| 219 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
| 220 |
try {
|
| 221 |
long[] sel = doSet(expression); |
| 222 |
|
| 223 |
if (sel == null) { |
| 224 |
//throw new RuntimeException("Not a 'where' clause?");
|
| 225 |
return;
|
| 226 |
} |
| 227 |
|
| 228 |
FBitSet selection = new FBitSet();
|
| 229 |
|
| 230 |
for (int i = 0; i < sel.length; i++) { |
| 231 |
selection.set((int) sel[i]);
|
| 232 |
} |
| 233 |
|
| 234 |
dataSource.clearSelection(); |
| 235 |
dataSource.setSelection(selection); |
| 236 |
}catch(Exception e){ |
| 237 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), "Asegurate de que la consulta es correcta."); |
| 238 |
} |
| 239 |
} |
| 240 |
else {
|
| 241 |
// By Pablo: if no expression -> no element selected
|
| 242 |
dataSource.clearSelection(); |
| 243 |
} |
| 244 |
} |
| 245 |
|
| 246 |
/**
|
| 247 |
* @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)
|
| 248 |
*/
|
| 249 |
private long[] doSet(String expression) { |
| 250 |
try {
|
| 251 |
DataSource ds = LayerFactory.getDataSourceFactory().executeSQL(expression,
|
| 252 |
DataSourceFactory.MANUAL_OPENING); |
| 253 |
|
| 254 |
return ds.getWhereFilter();
|
| 255 |
} catch (DriverLoadException e) {
|
| 256 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
| 257 |
} catch (ReadDriverException e) {
|
| 258 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
| 259 |
} catch (ParseException e) { |
| 260 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
| 261 |
} catch (SemanticException e) {
|
| 262 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"semantic_expresion_error")+"\n"+e.getMessage()); |
| 263 |
} catch (IOException e) { |
| 264 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"input_output_error")+"\n"+e.getMessage()); |
| 265 |
} catch (EvaluationException e) {
|
| 266 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
| 267 |
} catch (com.hardcode.gdbms.parser.TokenMgrError e) {
|
| 268 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"expresion_error")+"\n"+e.getMessage()); |
| 269 |
} |
| 270 |
return null; |
| 271 |
} |
| 272 |
|
| 273 |
/**
|
| 274 |
* DOCUMENT ME!
|
| 275 |
*
|
| 276 |
* @param expression DOCUMENT ME!
|
| 277 |
*/
|
| 278 |
public void addToSet(String expression) { |
| 279 |
// By Pablo: if no filter expression -> don't add more elements to set
|
| 280 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
| 281 |
long[] sel = doSet(expression); |
| 282 |
|
| 283 |
if (sel == null) { |
| 284 |
//throw new RuntimeException("Not a 'where' clause?");
|
| 285 |
return;
|
| 286 |
} |
| 287 |
|
| 288 |
FBitSet selection = new FBitSet();
|
| 289 |
|
| 290 |
for (int i = 0; i < sel.length; i++) { |
| 291 |
selection.set((int) sel[i]);
|
| 292 |
} |
| 293 |
|
| 294 |
FBitSet fbs = dataSource.getSelection(); |
| 295 |
fbs.or(selection); |
| 296 |
dataSource.setSelection(fbs); |
| 297 |
} |
| 298 |
} |
| 299 |
|
| 300 |
/**
|
| 301 |
* DOCUMENT ME!
|
| 302 |
*
|
| 303 |
* @param expression DOCUMENT ME!
|
| 304 |
*/
|
| 305 |
public void fromSet(String expression) { |
| 306 |
// By Pablo: if no filter expression -> no element selected
|
| 307 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
| 308 |
long[] sel = doSet(expression); |
| 309 |
|
| 310 |
if (sel == null) { |
| 311 |
throw new RuntimeException("Not a 'where' clause?"); |
| 312 |
} |
| 313 |
|
| 314 |
FBitSet selection = new FBitSet();
|
| 315 |
|
| 316 |
for (int i = 0; i < sel.length; i++) { |
| 317 |
selection.set((int) sel[i]);
|
| 318 |
} |
| 319 |
|
| 320 |
FBitSet fbs = dataSource.getSelection(); |
| 321 |
fbs.and(selection); |
| 322 |
dataSource.setSelection(fbs); |
| 323 |
} |
| 324 |
else {
|
| 325 |
// By Pablo: if no expression -> no element selected
|
| 326 |
dataSource.clearSelection(); |
| 327 |
} |
| 328 |
} |
| 329 |
|
| 330 |
/**
|
| 331 |
* Returns true if the WHERE subconsultation of the filterExpression is empty ("")
|
| 332 |
*
|
| 333 |
* @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
|
| 334 |
* @param expression An string
|
| 335 |
* @return A boolean value
|
| 336 |
*/
|
| 337 |
private boolean filterExpressionFromWhereIsEmpty(String expression) { |
| 338 |
String subExpression = expression.trim();
|
| 339 |
int pos;
|
| 340 |
|
| 341 |
// Remove last ';' if exists
|
| 342 |
if (subExpression.charAt(subExpression.length() -1) == ';') |
| 343 |
subExpression = subExpression.substring(0, subExpression.length() -1).trim(); |
| 344 |
|
| 345 |
// If there is no 'where' clause
|
| 346 |
if ((pos = subExpression.indexOf("where")) == -1) |
| 347 |
return false; |
| 348 |
|
| 349 |
// If there is no subexpression in the WHERE clause -> true
|
| 350 |
subExpression = subExpression.substring(pos + 5, subExpression.length()).trim(); // + 5 is the length of 'where' |
| 351 |
if ( subExpression.length() == 0 ) |
| 352 |
return true; |
| 353 |
else
|
| 354 |
return false; |
| 355 |
} |
| 356 |
} |