Revision 41248 trunk/org.gvsig.desktop/org.gvsig.desktop.plugin/org.gvsig.app/org.gvsig.app.mainplugin/src/main/java/org/gvsig/app/extension/FiltroExtension.java
| FiltroExtension.java | ||
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* |
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* Copyright (C) 2007-2013 gvSIG Association. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* You should have received a copy of the GNU General Public License along with |
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* this program; if not, write to the Free Software Foundation, Inc., 51 |
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* For any additional information, do not hesitate to contact us |
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com. |
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*/ |
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package org.gvsig.app.extension; |
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import java.awt.Component; |
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import java.util.Iterator; |
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import javax.swing.JOptionPane; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.messages.NotificationManager; |
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import org.gvsig.andami.plugins.Extension; |
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import org.gvsig.andami.ui.mdiManager.IWindow; |
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import org.gvsig.app.ApplicationLocator; |
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import org.gvsig.app.ApplicationManager; |
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import org.gvsig.app.gui.filter.ExpressionListener; |
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import org.gvsig.app.gui.filter.FilterDialog; |
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import org.gvsig.app.project.documents.AbstractDocument; |
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import org.gvsig.app.project.documents.view.ViewDocument; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
| ... | ... | |
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/** |
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* Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla. |
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*
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class FiltroExtension extends Extension implements ExpressionListener {
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protected FeatureStore featureStore = null; |
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private String filterTitle; |
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/** |
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* DOCUMENT ME! |
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*/ |
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public void initialize() {
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IconThemeHelper.registerIcon("action", "layer-filter", this);
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IconThemeHelper.registerIcon("action", "layer-filter", this);
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @param actionCommand |
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* DOCUMENT ME! |
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*/ |
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public void execute(String actionCommand) {
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if ("layer-filter".equalsIgnoreCase(actionCommand)) {
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// try {
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IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
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ApplicationManager application = ApplicationLocator.getManager(); |
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if (v instanceof org.gvsig.app.project.documents.view.gui.DefaultViewPanel) {
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ViewDocument pv = |
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((org.gvsig.app.project.documents.view.gui.DefaultViewPanel) v) |
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.getModel(); |
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filterTitle = |
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((org.gvsig.app.project.documents.view.gui.DefaultViewPanel) v) |
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.getModel().getName(); |
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FLayer layer = pv.getMapContext().getLayers().getActives()[0]; |
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featureStore = ((FLyrVect) layer).getFeatureStore();// pv.getProject().getDataSourceByLayer(layer); |
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((AbstractDocument) pv).setModified(true); |
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ViewDocument document = (ViewDocument) application.getActiveDocument(ViewDocument.class); |
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if (document == null) {
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return; |
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} |
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// } catch (ReadException e) {
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// NotificationManager.addError("Error filtrando", e);
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// }
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filterTitle = document.getName();
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FLayer layer = document.getMapContext().getLayers().getActives()[0];
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featureStore = ((FLyrVect) layer).getFeatureStore();
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document.setModified(true); |
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doExecute(); |
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} |
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} |
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/** |
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* "execute" method action. |
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*
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* |
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*/ |
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protected void doExecute() {
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// DefaultExpressionDataSource ds = new DefaultExpressionDataSource(); |
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// ds.setTable(featureStore); |
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FilterDialog dlg = new FilterDialog(filterTitle); |
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dlg.addExpressionListener(this); |
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dlg.addExceptionListener(new ExceptionListener() {
|
| ... | ... | |
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PluginServices.getMDIManager().addWindow(dlg); |
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @return DOCUMENT ME! |
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*/ |
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public boolean isEnabled() {
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IWindow v = PluginServices.getMDIManager().getActiveWindow(); |
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if (v == null) {
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return false; |
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} |
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if (v instanceof org.gvsig.app.project.documents.view.gui.DefaultViewPanel) {
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org.gvsig.app.project.documents.view.gui.DefaultViewPanel view = |
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(org.gvsig.app.project.documents.view.gui.DefaultViewPanel) v; |
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ViewDocument pv = view.getModel(); |
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FLayer[] seleccionadas = |
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pv.getMapContext().getLayers().getActives(); |
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if (seleccionadas.length == 1) {
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if (seleccionadas[0].isAvailable() |
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&& (seleccionadas[0] instanceof FLyrVect)) {
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return true; |
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} |
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} |
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} |
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return false; |
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return true; |
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @return DOCUMENT ME! |
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*/ |
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public boolean isVisible() {
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IWindow v = PluginServices.getMDIManager().getActiveWindow();
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ApplicationManager application = ApplicationLocator.getManager();
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if (v == null) {
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ViewDocument document = (ViewDocument) application.getActiveDocument(ViewDocument.class); |
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if (document == null) {
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return false; |
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} |
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if (v instanceof org.gvsig.app.project.documents.view.gui.DefaultViewPanel) {
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org.gvsig.app.project.documents.view.gui.DefaultViewPanel view = |
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(org.gvsig.app.project.documents.view.gui.DefaultViewPanel) v; |
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ViewDocument pv = view.getModel(); |
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FLayer[] seleccionadas = |
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pv.getMapContext().getLayers().getActives(); |
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if (seleccionadas.length == 1) {
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if (seleccionadas[0] instanceof FLyrVect) {
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return true; |
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} |
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} |
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} |
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return false; |
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return document.getMapContext().hasActiveVectorLayers(); |
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @param expression |
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* DOCUMENT ME! |
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*/ |
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// By Pablo: if no filter expression -> no element selected |
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public void newSet(String expression) throws DataException {
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if (!this.filterExpressionFromWhereIsEmpty(expression)) {
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featureStore.setSelection(set); |
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} catch (Exception e) {
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JOptionPane.showMessageDialog( |
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ApplicationLocator.getManager().getRootComponent(), |
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Messages.getText("expresion_error") + ":\n"
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ApplicationLocator.getManager().getRootComponent(),
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Messages.getText("expresion_error") + ":\n"
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+ getLastMessage(e), |
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Messages.getText("expresion_error"),
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JOptionPane.ERROR_MESSAGE); |
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Messages.getText("expresion_error"),
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JOptionPane.ERROR_MESSAGE);
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} finally {
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if (set != null) {
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set.dispose(); |
| ... | ... | |
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} |
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} |
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/** |
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* @throws DataException |
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* @see org.gvsig.app.gui.filter.ExpressionListener#newSet(java.lang.String) |
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*/ |
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private FeatureSet doSet(String expression) throws DataException {
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FeatureQuery query = featureStore.createFeatureQuery(); |
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DataManager manager = DALLocator.getDataManager(); |
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query.setFilter(manager.createExpresion(expression)); |
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return featureStore.getFeatureSet(query); |
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// try {
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// DataSource ds = |
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// LayerFactory.getDataSourceFactory().executeSQL(expression, |
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// DataSourceFactory.MANUAL_OPENING); |
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// |
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// return ds.getWhereFilter(); |
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// } catch (DriverLoadException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
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// } catch (ReadDriverException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"driver_error")+"\n"+e.getMessage()); |
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// } catch (ParseException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
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// } catch (SemanticException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"semantic_expresion_error")+"\n"+e.getMessage()); |
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// } catch (IOException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"input_output_error")+"\n"+e.getMessage()); |
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// } catch (EvaluationException e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"parse_expresion_error")+"\n"+e.getMessage()); |
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// } catch (com.hardcode.gdbms.parser.TokenMgrError e) {
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// JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"expresion_error")+"\n"+e.getMessage()); |
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// } |
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// return null; |
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @param expression |
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* DOCUMENT ME! |
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* @throws DataException |
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*/ |
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public void addToSet(String expression) throws DataException {
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// By Pablo: if no filter expression -> don't add more elements to set |
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if (!this.filterExpressionFromWhereIsEmpty(expression)) {
|
| ... | ... | |
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set.dispose(); |
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} |
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} |
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// FBitSet selection = new FBitSet(); |
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// |
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// for (int i = 0; i < sel.length; i++) {
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// selection.set((int) sel[i]); |
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// } |
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// |
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// FBitSet fbs = featureStore.getSelection(); |
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// fbs.or(selection); |
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// featureStore.setSelection(fbs); |
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} |
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} |
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/** |
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* DOCUMENT ME! |
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* |
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* @param expression |
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* DOCUMENT ME! |
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*/ |
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public void fromSet(String expression) throws DataException {
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// By Pablo: if no filter expression -> no element selected |
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try {
|
| ... | ... | |
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throw new RuntimeException("Not a 'where' clause?");
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} |
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FeatureSelection oldSelection =
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featureStore.getFeatureSelection(); |
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FeatureSelection oldSelection |
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= featureStore.getFeatureSelection();
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FeatureSelection newSelection =
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featureStore.createFeatureSelection(); |
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FeatureSelection newSelection |
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= featureStore.createFeatureSelection();
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Iterator iterator = set.iterator(); |
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while (iterator.hasNext()) {
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Feature feature = (Feature) iterator.next(); |
| ... | ... | |
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/** |
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* Returns true if the WHERE subconsultation of the filterExpression is |
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* empty ("")
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*
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* |
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* @author Pablo Piqueras Bartolom? (p_queras@hotmail.com) |
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* @param expression |
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* An string |
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* @param expression An string |
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* @return A boolean value |
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*/ |
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private boolean filterExpressionFromWhereIsEmpty(String expression) {
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if (expression == null) {
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return true; |
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} |
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String subExpression = expression.trim(); |
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if (subExpression.length() == 0) {
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return true; |
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} |
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int pos; |
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// Remove last ';' if exists |
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if (subExpression.charAt(subExpression.length() - 1) == ';') {
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subExpression =
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subExpression.substring(0, subExpression.length() - 1).trim(); |
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subExpression |
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= subExpression.substring(0, subExpression.length() - 1).trim();
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} |
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// If there is no 'where' clause |
| ... | ... | |
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} |
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// If there is no subexpression in the WHERE clause -> true |
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subExpression = |
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subExpression.substring(pos + 5, subExpression.length()).trim(); // + |
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// 5 |
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// is |
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// the |
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// length |
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// of |
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// 'where' |
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// + 5 is the length of 'where' |
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subExpression = subExpression.substring(pos + 5, subExpression.length()).trim(); |
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if (subExpression.length() == 0) {
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return true; |
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} else {
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return false; |
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} |
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} |
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private String getLastMessage(Throwable ex) {
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Throwable p = ex; |
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while (p.getCause() != null && p.getCause() != p) {
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p = p.getCause(); |
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} |
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return p.getMessage(); |
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}} |
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} |
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} |
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