svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / FiltroExtension.java @ 10661
History | View | Annotate | Download (10.4 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 |
} |
88 |
|
89 |
/**
|
90 |
* DOCUMENT ME!
|
91 |
*
|
92 |
* @param actionCommand DOCUMENT ME!
|
93 |
*/
|
94 |
public void execute(String actionCommand) { |
95 |
if ("FILTRO".equals(actionCommand)) { |
96 |
try {
|
97 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
98 |
|
99 |
if (v instanceof Table) { |
100 |
vista = (Table) v; |
101 |
|
102 |
dataSource = vista.getModel().getModelo().getRecordset(); |
103 |
filterTitle = vista.getModel().getName(); |
104 |
vista.getModel().setModified(true);
|
105 |
} else if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
106 |
IProjectView pv = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel(); |
107 |
filterTitle = ((com.iver.cit.gvsig.project.documents.view.gui.View) v).getModel().getName(); |
108 |
FLayer layer = pv.getMapContext() |
109 |
.getLayers().getActives()[0];
|
110 |
dataSource = pv.getProject().getDataSourceByLayer(layer); |
111 |
((ProjectDocument)pv).setModified(true);
|
112 |
} |
113 |
} catch (ReadDriverException e) {
|
114 |
NotificationManager.addError("Error filtrando", e);
|
115 |
} |
116 |
|
117 |
doExecute(); |
118 |
} |
119 |
} |
120 |
|
121 |
/**
|
122 |
* "execute" method action.
|
123 |
*
|
124 |
*/
|
125 |
protected void doExecute(){ |
126 |
DefaultExpressionDataSource ds = new DefaultExpressionDataSource();
|
127 |
ds.setTable(dataSource); |
128 |
FilterDialog dlg = new FilterDialog(filterTitle);
|
129 |
dlg.addExpressionListener(this);
|
130 |
dlg.addExceptionListener(new ExceptionListener() { |
131 |
public void exceptionThrown(Throwable t) { |
132 |
NotificationManager.addError(t.getMessage(), t); |
133 |
} |
134 |
}); |
135 |
dlg.setModel(ds); |
136 |
PluginServices.getMDIManager().addWindow(dlg); |
137 |
} |
138 |
|
139 |
/**
|
140 |
* DOCUMENT ME!
|
141 |
*
|
142 |
* @return DOCUMENT ME!
|
143 |
*/
|
144 |
public boolean isEnabled() { |
145 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
146 |
|
147 |
if (v == null) { |
148 |
return false; |
149 |
} |
150 |
|
151 |
if (v instanceof Table) { |
152 |
return true; |
153 |
} else {
|
154 |
if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
155 |
com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
156 |
IProjectView pv = view.getModel(); |
157 |
FLayer[] seleccionadas = pv.getMapContext().getLayers()
|
158 |
.getActives(); |
159 |
|
160 |
if (seleccionadas.length == 1) { |
161 |
if (seleccionadas[0].isAvailable() && seleccionadas[0] instanceof AlphanumericData) { |
162 |
return true; |
163 |
} |
164 |
} |
165 |
} |
166 |
|
167 |
return false; |
168 |
} |
169 |
|
170 |
} |
171 |
|
172 |
/**
|
173 |
* DOCUMENT ME!
|
174 |
*
|
175 |
* @return DOCUMENT ME!
|
176 |
*/
|
177 |
public boolean isVisible() { |
178 |
IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
179 |
|
180 |
if (v == null) { |
181 |
return false; |
182 |
} |
183 |
|
184 |
if (v instanceof Table) { |
185 |
return true; |
186 |
} else {
|
187 |
if (v instanceof com.iver.cit.gvsig.project.documents.view.gui.View) { |
188 |
com.iver.cit.gvsig.project.documents.view.gui.View view = (com.iver.cit.gvsig.project.documents.view.gui.View) v; |
189 |
IProjectView pv = view.getModel(); |
190 |
FLayer[] seleccionadas = pv.getMapContext().getLayers()
|
191 |
.getActives(); |
192 |
|
193 |
if (seleccionadas.length == 1) { |
194 |
if (seleccionadas[0] instanceof AlphanumericData) { |
195 |
return true; |
196 |
} |
197 |
} |
198 |
} |
199 |
|
200 |
return false; |
201 |
} |
202 |
} |
203 |
|
204 |
/**
|
205 |
* DOCUMENT ME!
|
206 |
*
|
207 |
* @param expression DOCUMENT ME!
|
208 |
*/
|
209 |
public void newSet(String expression) { |
210 |
// By Pablo: if no filter expression -> no element selected
|
211 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
212 |
try {
|
213 |
long[] sel = doSet(expression); |
214 |
|
215 |
if (sel == null) { |
216 |
//throw new RuntimeException("Not a 'where' clause?");
|
217 |
return;
|
218 |
} |
219 |
|
220 |
FBitSet selection = new FBitSet();
|
221 |
|
222 |
for (int i = 0; i < sel.length; i++) { |
223 |
selection.set((int) sel[i]);
|
224 |
} |
225 |
|
226 |
dataSource.clearSelection(); |
227 |
dataSource.setSelection(selection); |
228 |
}catch(Exception e){ |
229 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), "Asegurate de que la consulta es correcta."); |
230 |
} |
231 |
} |
232 |
else {
|
233 |
// By Pablo: if no expression -> no element selected
|
234 |
dataSource.clearSelection(); |
235 |
} |
236 |
} |
237 |
|
238 |
/**
|
239 |
* @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)
|
240 |
*/
|
241 |
private long[] doSet(String expression) { |
242 |
try {
|
243 |
DataSource ds = LayerFactory.getDataSourceFactory().executeSQL(expression,
|
244 |
DataSourceFactory.MANUAL_OPENING); |
245 |
|
246 |
return ds.getWhereFilter();
|
247 |
} catch (DriverLoadException e) {
|
248 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")); |
249 |
//NotificationManager.addError("Error cargando el driver", e);
|
250 |
} catch (ReadDriverException e) {
|
251 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")); |
252 |
//NotificationManager.addError("Error accediendo al driver", e);
|
253 |
} catch (ParseException e) { |
254 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")); |
255 |
//NotificationManager.addError("Parse error", e);
|
256 |
} catch (SemanticException e) {
|
257 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"semantic_expresion_error")); |
258 |
//NotificationManager.addError(e.getMessage(), e);
|
259 |
} catch (IOException e) { |
260 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"input_output_error")); |
261 |
//NotificationManager.addError("GDBMS internal error", e);
|
262 |
} catch (EvaluationException e) {
|
263 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"expresion_error")); |
264 |
//NotificationManager.addError("Sintaxis incorrecta", e);
|
265 |
} |
266 |
|
267 |
return null; |
268 |
} |
269 |
|
270 |
/**
|
271 |
* DOCUMENT ME!
|
272 |
*
|
273 |
* @param expression DOCUMENT ME!
|
274 |
*/
|
275 |
public void addToSet(String expression) { |
276 |
// By Pablo: if no filter expression -> don't add more elements to set
|
277 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
278 |
long[] sel = doSet(expression); |
279 |
|
280 |
if (sel == null) { |
281 |
//throw new RuntimeException("Not a 'where' clause?");
|
282 |
return;
|
283 |
} |
284 |
|
285 |
FBitSet selection = new FBitSet();
|
286 |
|
287 |
for (int i = 0; i < sel.length; i++) { |
288 |
selection.set((int) sel[i]);
|
289 |
} |
290 |
|
291 |
FBitSet fbs = dataSource.getSelection(); |
292 |
fbs.or(selection); |
293 |
dataSource.setSelection(fbs); |
294 |
} |
295 |
} |
296 |
|
297 |
/**
|
298 |
* DOCUMENT ME!
|
299 |
*
|
300 |
* @param expression DOCUMENT ME!
|
301 |
*/
|
302 |
public void fromSet(String expression) { |
303 |
// By Pablo: if no filter expression -> no element selected
|
304 |
if (! this.filterExpressionFromWhereIsEmpty(expression)) { |
305 |
long[] sel = doSet(expression); |
306 |
|
307 |
if (sel == null) { |
308 |
throw new RuntimeException("Not a 'where' clause?"); |
309 |
} |
310 |
|
311 |
FBitSet selection = new FBitSet();
|
312 |
|
313 |
for (int i = 0; i < sel.length; i++) { |
314 |
selection.set((int) sel[i]);
|
315 |
} |
316 |
|
317 |
FBitSet fbs = dataSource.getSelection(); |
318 |
fbs.and(selection); |
319 |
dataSource.setSelection(fbs); |
320 |
} |
321 |
else {
|
322 |
// By Pablo: if no expression -> no element selected
|
323 |
dataSource.clearSelection(); |
324 |
} |
325 |
} |
326 |
|
327 |
/**
|
328 |
* Returns true if the WHERE subconsultation of the filterExpression is empty ("")
|
329 |
*
|
330 |
* @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
|
331 |
* @param expression An string
|
332 |
* @return A boolean value
|
333 |
*/
|
334 |
private boolean filterExpressionFromWhereIsEmpty(String expression) { |
335 |
String subExpression = expression.trim();
|
336 |
int pos;
|
337 |
|
338 |
// Remove last ';' if exists
|
339 |
if (subExpression.charAt(subExpression.length() -1) == ';') |
340 |
subExpression = subExpression.substring(0, subExpression.length() -1).trim(); |
341 |
|
342 |
// If there is no 'where' clause
|
343 |
if ((pos = subExpression.indexOf("where")) == -1) |
344 |
return false; |
345 |
|
346 |
// If there is no subexpression in the WHERE clause -> true
|
347 |
subExpression = subExpression.substring(pos + 5, subExpression.length()).trim(); // + 5 is the length of 'where' |
348 |
if ( subExpression.length() == 0 ) |
349 |
return true; |
350 |
else
|
351 |
return false; |
352 |
} |
353 |
} |