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 @ 44531
History | View | Annotate | Download (10.6 KB)
1 | 40558 | jjdelcerro | /**
|
---|---|---|---|
2 | * gvSIG. Desktop Geographic Information System.
|
||
3 | 40435 | jjdelcerro | *
|
4 | 40558 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
|
5 | 40435 | jjdelcerro | *
|
6 | 41248 | jjdelcerro | * This program is free software; you can redistribute it and/or modify it under
|
7 | * the terms of the GNU General Public License as published by the Free Software
|
||
8 | * Foundation; either version 3 of the License, or (at your option) any later
|
||
9 | * version.
|
||
10 | 40435 | jjdelcerro | *
|
11 | 41248 | jjdelcerro | * This program is distributed in the hope that it will be useful, but WITHOUT
|
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||
13 | * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||
14 | * details.
|
||
15 | 40435 | jjdelcerro | *
|
16 | 41248 | jjdelcerro | * You should have received a copy of the GNU General Public License along with
|
17 | * this program; if not, write to the Free Software Foundation, Inc., 51
|
||
18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
19 | 40435 | jjdelcerro | *
|
20 | 41248 | jjdelcerro | * For any additional information, do not hesitate to contact us at info AT
|
21 | * gvsig.com, or visit our website www.gvsig.com.
|
||
22 | 40435 | jjdelcerro | */
|
23 | package org.gvsig.app.extension; |
||
24 | |||
25 | import java.util.Iterator; |
||
26 | |||
27 | import javax.swing.JOptionPane; |
||
28 | |||
29 | import org.gvsig.andami.IconThemeHelper; |
||
30 | import org.gvsig.andami.PluginServices; |
||
31 | import org.gvsig.andami.messages.NotificationManager; |
||
32 | import org.gvsig.andami.plugins.Extension; |
||
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; |
||
37 | import org.gvsig.app.project.documents.view.ViewDocument; |
||
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; |
||
41 | import org.gvsig.fmap.dal.exception.DataException; |
||
42 | import org.gvsig.fmap.dal.feature.Feature; |
||
43 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
||
44 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
||
45 | import org.gvsig.fmap.dal.feature.FeatureSet; |
||
46 | import org.gvsig.fmap.dal.feature.FeatureStore; |
||
47 | 44437 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureType; |
48 | 40435 | jjdelcerro | import org.gvsig.fmap.mapcontext.layers.FLayer; |
49 | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
||
50 | 40955 | jldominguez | import org.gvsig.i18n.Messages; |
51 | 43987 | jjdelcerro | import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
52 | 40435 | jjdelcerro | import org.gvsig.utils.exceptionHandling.ExceptionListener; |
53 | |||
54 | /**
|
||
55 | * Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
|
||
56 | 41248 | jjdelcerro | *
|
57 | 40435 | jjdelcerro | * @author Vicente Caballero Navarro
|
58 | */
|
||
59 | 43987 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
60 | 41641 | jjdelcerro | public class SelectByAttributesExtension extends Extension implements ExpressionListener { |
61 | 40435 | jjdelcerro | |
62 | protected FeatureStore featureStore = null; |
||
63 | private String filterTitle; |
||
64 | |||
65 | 43987 | jjdelcerro | @Override
|
66 | 40435 | jjdelcerro | public void initialize() { |
67 | 41641 | jjdelcerro | IconThemeHelper.registerIcon("action", "selection-by-attributes", this); |
68 | 40435 | jjdelcerro | } |
69 | |||
70 | 43987 | jjdelcerro | @Override
|
71 | 40435 | jjdelcerro | public void execute(String actionCommand) { |
72 | 41264 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
73 | |||
74 | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
||
75 | if (view == null) { |
||
76 | return;
|
||
77 | } |
||
78 | 44011 | jjdelcerro | if ("selection-by-attributes-layer".equals(actionCommand)) { |
79 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
80 | |||
81 | 41248 | jjdelcerro | FLayer layer = document.getMapContext().getLayers().getActives()[0];
|
82 | 41744 | jjdelcerro | filterTitle = layer.getName(); |
83 | 41248 | jjdelcerro | featureStore = ((FLyrVect) layer).getFeatureStore(); |
84 | document.setModified(true);
|
||
85 | 44011 | jjdelcerro | SelectByAttributes selector = new SelectByAttributes();
|
86 | selector.showWindow(filterTitle, featureStore, WindowManager.MODE.TOOL); |
||
87 | 43987 | jjdelcerro | |
88 | 44011 | jjdelcerro | |
89 | } else if ("selection-by-attributes-layer-old".equals(actionCommand)) { |
||
90 | 43987 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
91 | |||
92 | FLayer layer = document.getMapContext().getLayers().getActives()[0];
|
||
93 | filterTitle = layer.getName(); |
||
94 | featureStore = ((FLyrVect) layer).getFeatureStore(); |
||
95 | document.setModified(true);
|
||
96 | 40435 | jjdelcerro | doExecute(); |
97 | } |
||
98 | } |
||
99 | |||
100 | /**
|
||
101 | * "execute" method action.
|
||
102 | 41248 | jjdelcerro | *
|
103 | 40435 | jjdelcerro | */
|
104 | protected void doExecute() { |
||
105 | FilterDialog dlg = new FilterDialog(filterTitle);
|
||
106 | dlg.addExpressionListener(this);
|
||
107 | dlg.addExceptionListener(new ExceptionListener() { |
||
108 | |||
109 | 43987 | jjdelcerro | @Override
|
110 | 40435 | jjdelcerro | public void exceptionThrown(Throwable t) { |
111 | NotificationManager.addError(t.getMessage(), t); |
||
112 | } |
||
113 | }); |
||
114 | dlg.setModel(featureStore); |
||
115 | PluginServices.getMDIManager().addWindow(dlg); |
||
116 | } |
||
117 | |||
118 | 43987 | jjdelcerro | @Override
|
119 | 40435 | jjdelcerro | public boolean isEnabled() { |
120 | 44437 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
121 | |||
122 | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
||
123 | if (view == null) { |
||
124 | return false; |
||
125 | } |
||
126 | ViewDocument document = view.getViewDocument(); |
||
127 | if( document == null ) { |
||
128 | return false; |
||
129 | } |
||
130 | boolean hasActiveVectorLayers = false; |
||
131 | for (FLayer layer : document.getMapContext().getLayers()) {
|
||
132 | if( layer.isActive() && layer.isAvailable() && layer instanceof FLyrVect ) { |
||
133 | try {
|
||
134 | hasActiveVectorLayers = true;
|
||
135 | FeatureStore store = ((FLyrVect)layer).getFeatureStore(); |
||
136 | if( !store.getFeatureSelection().isAvailable() ) {
|
||
137 | return false; |
||
138 | } |
||
139 | } catch (Exception ex) { |
||
140 | } |
||
141 | } |
||
142 | } |
||
143 | return hasActiveVectorLayers;
|
||
144 | 40435 | jjdelcerro | } |
145 | |||
146 | 43987 | jjdelcerro | @Override
|
147 | 40435 | jjdelcerro | public boolean isVisible() { |
148 | 41248 | jjdelcerro | ApplicationManager application = ApplicationLocator.getManager(); |
149 | 40435 | jjdelcerro | |
150 | 41264 | jjdelcerro | IView view = (IView) application.getActiveComponent(ViewDocument.class); |
151 | if (view == null) { |
||
152 | 40435 | jjdelcerro | return false; |
153 | } |
||
154 | 41264 | jjdelcerro | ViewDocument document = view.getViewDocument(); |
155 | 41248 | jjdelcerro | return document.getMapContext().hasActiveVectorLayers();
|
156 | 40435 | jjdelcerro | } |
157 | |||
158 | // By Pablo: if no filter expression -> no element selected
|
||
159 | 43987 | jjdelcerro | @Override
|
160 | 40435 | jjdelcerro | public void newSet(String expression) throws DataException { |
161 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
||
162 | FeatureSet set = null;
|
||
163 | try {
|
||
164 | set = doSet(expression); |
||
165 | |||
166 | if (set == null) { |
||
167 | // throw new RuntimeException("Not a 'where' clause?");
|
||
168 | return;
|
||
169 | } |
||
170 | featureStore.setSelection(set); |
||
171 | |||
172 | } catch (Exception e) { |
||
173 | 41248 | jjdelcerro | |
174 | 40955 | jldominguez | JOptionPane.showMessageDialog(
|
175 | 41248 | jjdelcerro | ApplicationLocator.getManager().getRootComponent(), |
176 | Messages.getText("expresion_error") + ":\n" |
||
177 | 40955 | jldominguez | + getLastMessage(e), |
178 | 41248 | jjdelcerro | Messages.getText("expresion_error"),
|
179 | JOptionPane.ERROR_MESSAGE);
|
||
180 | 40435 | jjdelcerro | } finally {
|
181 | if (set != null) { |
||
182 | set.dispose(); |
||
183 | } |
||
184 | } |
||
185 | } else {
|
||
186 | // By Pablo: if no expression -> no element selected
|
||
187 | featureStore.getFeatureSelection().deselectAll(); |
||
188 | } |
||
189 | } |
||
190 | |||
191 | private FeatureSet doSet(String expression) throws DataException { |
||
192 | FeatureQuery query = featureStore.createFeatureQuery(); |
||
193 | DataManager manager = DALLocator.getDataManager(); |
||
194 | query.setFilter(manager.createExpresion(expression)); |
||
195 | return featureStore.getFeatureSet(query);
|
||
196 | } |
||
197 | |||
198 | 43987 | jjdelcerro | @Override
|
199 | 40435 | jjdelcerro | public void addToSet(String expression) throws DataException { |
200 | // By Pablo: if no filter expression -> don't add more elements to set
|
||
201 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
||
202 | FeatureSet set = null;
|
||
203 | try {
|
||
204 | set = doSet(expression); |
||
205 | |||
206 | if (set == null) { |
||
207 | // throw new RuntimeException("Not a 'where' clause?");
|
||
208 | return;
|
||
209 | } |
||
210 | featureStore.getFeatureSelection().select(set); |
||
211 | } finally {
|
||
212 | if (set != null) { |
||
213 | set.dispose(); |
||
214 | } |
||
215 | } |
||
216 | } |
||
217 | } |
||
218 | |||
219 | 43987 | jjdelcerro | @Override
|
220 | 40435 | jjdelcerro | public void fromSet(String expression) throws DataException { |
221 | // By Pablo: if no filter expression -> no element selected
|
||
222 | try {
|
||
223 | if (!this.filterExpressionFromWhereIsEmpty(expression)) { |
||
224 | // NotificationManager.showMessageInfo("Falta por implementar",
|
||
225 | // null);
|
||
226 | |||
227 | 43987 | jjdelcerro | FeatureSet set; |
228 | 40435 | jjdelcerro | set = doSet(expression); |
229 | |||
230 | if (set == null) { |
||
231 | throw new RuntimeException("Not a 'where' clause?"); |
||
232 | } |
||
233 | |||
234 | 41248 | jjdelcerro | FeatureSelection oldSelection |
235 | = featureStore.getFeatureSelection(); |
||
236 | 40435 | jjdelcerro | |
237 | 41248 | jjdelcerro | FeatureSelection newSelection |
238 | = featureStore.createFeatureSelection(); |
||
239 | 40435 | jjdelcerro | Iterator iterator = set.iterator();
|
240 | while (iterator.hasNext()) {
|
||
241 | Feature feature = (Feature) iterator.next(); |
||
242 | if (oldSelection.isSelected(feature)) {
|
||
243 | newSelection.select(feature); |
||
244 | } |
||
245 | } |
||
246 | featureStore.setSelection(newSelection); |
||
247 | set.dispose(); |
||
248 | |||
249 | } else {
|
||
250 | // By Pablo: if no expression -> no element selected
|
||
251 | featureStore.getFeatureSelection().deselectAll(); |
||
252 | } |
||
253 | } catch (DataException e) {
|
||
254 | NotificationManager.addError(e); |
||
255 | } |
||
256 | |||
257 | } |
||
258 | |||
259 | /**
|
||
260 | * Returns true if the WHERE subconsultation of the filterExpression is
|
||
261 | * empty ("")
|
||
262 | 41248 | jjdelcerro | *
|
263 | 40435 | jjdelcerro | * @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
|
264 | 41248 | jjdelcerro | * @param expression An string
|
265 | 40435 | jjdelcerro | * @return A boolean value
|
266 | */
|
||
267 | private boolean filterExpressionFromWhereIsEmpty(String expression) { |
||
268 | 41248 | jjdelcerro | |
269 | 40435 | jjdelcerro | if (expression == null) { |
270 | return true; |
||
271 | } |
||
272 | 41248 | jjdelcerro | |
273 | 40435 | jjdelcerro | String subExpression = expression.trim();
|
274 | 41248 | jjdelcerro | |
275 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
276 | return true; |
||
277 | } |
||
278 | 41248 | jjdelcerro | |
279 | 40435 | jjdelcerro | int pos;
|
280 | |||
281 | // Remove last ';' if exists
|
||
282 | if (subExpression.charAt(subExpression.length() - 1) == ';') { |
||
283 | 41248 | jjdelcerro | subExpression |
284 | = subExpression.substring(0, subExpression.length() - 1).trim(); |
||
285 | 40435 | jjdelcerro | } |
286 | |||
287 | // If there is no 'where' clause
|
||
288 | if ((pos = subExpression.indexOf("where")) == -1) { |
||
289 | return false; |
||
290 | } |
||
291 | |||
292 | // If there is no subexpression in the WHERE clause -> true
|
||
293 | 41248 | jjdelcerro | // + 5 is the length of 'where'
|
294 | subExpression = subExpression.substring(pos + 5, subExpression.length()).trim();
|
||
295 | 40435 | jjdelcerro | if (subExpression.length() == 0) { |
296 | return true; |
||
297 | } else {
|
||
298 | return false; |
||
299 | } |
||
300 | } |
||
301 | 41248 | jjdelcerro | |
302 | 40955 | jldominguez | private String getLastMessage(Throwable ex) { |
303 | 41248 | jjdelcerro | |
304 | 40955 | jldominguez | Throwable p = ex;
|
305 | while (p.getCause() != null && p.getCause() != p) { |
||
306 | p = p.getCause(); |
||
307 | } |
||
308 | return p.getMessage();
|
||
309 | 41248 | jjdelcerro | } |
310 | } |