svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / FiltroExtension.java @ 3718
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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 | import com.hardcode.driverManager.DriverLoadException; |
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| 44 | |||
| 45 | import com.hardcode.gdbms.engine.data.DataSource; |
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| 46 | import com.hardcode.gdbms.engine.data.DataSourceFactory; |
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| 47 | 2217 | fernando | import com.hardcode.gdbms.engine.instruction.EvaluationException; |
| 48 | 2183 | fernando | import com.hardcode.gdbms.engine.instruction.SemanticException; |
| 49 | import com.hardcode.gdbms.parser.ParseException; |
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| 50 | |||
| 51 | import com.iver.andami.PluginServices; |
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| 52 | import com.iver.andami.messages.NotificationManager; |
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| 53 | import com.iver.andami.plugins.Extension; |
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| 54 | import com.iver.andami.ui.mdiManager.View; |
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| 55 | |||
| 56 | import com.iver.cit.gvsig.fmap.DriverException; |
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| 57 | import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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| 58 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
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| 59 | import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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| 60 | import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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| 61 | import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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| 62 | import com.iver.cit.gvsig.gui.Table; |
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| 63 | import com.iver.cit.gvsig.gui.filter.DefaultExpressionDataSource; |
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| 64 | import com.iver.cit.gvsig.gui.filter.ExpressionListener; |
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| 65 | import com.iver.cit.gvsig.gui.filter.FilterDialog; |
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| 66 | 2610 | fernando | import com.iver.cit.gvsig.project.ProjectTable; |
| 67 | 2183 | fernando | import com.iver.cit.gvsig.project.ProjectView; |
| 68 | |||
| 69 | import com.iver.utiles.exceptionHandling.ExceptionListener; |
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| 70 | |||
| 71 | import java.io.IOException; |
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| 72 | 2610 | fernando | import java.util.ArrayList; |
| 73 | 2183 | fernando | |
| 74 | |||
| 75 | /**
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| 76 | * Extensi?n que abre un di?logo para poder hacer un filtro de una capa o tabla.
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| 77 | *
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| 78 | * @author Vicente Caballero Navarro
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| 79 | */
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| 80 | public class FiltroExtension implements Extension, ExpressionListener { |
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| 81 | private SelectableDataSource dataSource = null; |
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| 82 | private Table vista;
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| 83 | |||
| 84 | /**
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| 85 | * DOCUMENT ME!
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| 86 | */
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| 87 | public void inicializar() { |
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| 88 | } |
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| 89 | |||
| 90 | /**
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| 91 | * DOCUMENT ME!
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| 92 | *
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| 93 | * @param actionCommand DOCUMENT ME!
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| 94 | */
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| 95 | public void execute(String actionCommand) { |
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| 96 | if ("FILTRO".equals(actionCommand)) { |
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| 97 | try {
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| 98 | View v = PluginServices.getMDIManager().getActiveView();
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| 99 | |||
| 100 | if (v instanceof Table) { |
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| 101 | vista = (Table) v; |
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| 102 | dataSource = vista.getModel().getModelo(); |
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| 103 | } else if (v instanceof com.iver.cit.gvsig.gui.View) { |
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| 104 | ProjectView pv = ((com.iver.cit.gvsig.gui.View) v).getModel(); |
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| 105 | |||
| 106 | 2610 | fernando | FLayer layer = pv.getMapContext() |
| 107 | .getLayers().getActives()[0];
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| 108 | dataSource = pv.getProject().getDataSourceByLayer(layer); |
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| 109 | 2183 | fernando | } |
| 110 | |||
| 111 | DefaultExpressionDataSource ds = new DefaultExpressionDataSource();
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| 112 | ds.setTable(dataSource); |
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| 113 | |||
| 114 | FilterDialog dlg = new FilterDialog();
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| 115 | dlg.addExpressionListener(this);
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| 116 | dlg.addExceptionListener(new ExceptionListener() { |
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| 117 | public void exceptionThrown(Throwable t) { |
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| 118 | NotificationManager.addError(t.getMessage(), t); |
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| 119 | } |
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| 120 | }); |
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| 121 | |||
| 122 | dlg.setModel(ds); |
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| 123 | PluginServices.getMDIManager().addView(dlg); |
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| 124 | } catch (DriverException e) {
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| 125 | NotificationManager.addError("Error filtrando", e);
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | |||
| 130 | /**
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| 131 | * DOCUMENT ME!
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| 132 | *
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| 133 | * @return DOCUMENT ME!
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| 134 | */
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| 135 | public boolean isEnabled() { |
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| 136 | return true; |
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| 137 | } |
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| 138 | |||
| 139 | /**
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| 140 | * DOCUMENT ME!
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| 141 | *
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| 142 | * @return DOCUMENT ME!
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| 143 | */
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| 144 | public boolean isVisible() { |
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| 145 | View v = PluginServices.getMDIManager().getActiveView();
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| 146 | |||
| 147 | if (v == null) { |
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| 148 | return false; |
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| 149 | } |
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| 150 | |||
| 151 | if (v.getClass() == Table.class) {
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| 152 | return true; |
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| 153 | } else {
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| 154 | if (v instanceof com.iver.cit.gvsig.gui.View) { |
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| 155 | com.iver.cit.gvsig.gui.View view = (com.iver.cit.gvsig.gui.View) v; |
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| 156 | ProjectView pv = view.getModel(); |
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| 157 | FLayer[] seleccionadas = pv.getMapContext().getLayers()
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| 158 | .getActives(); |
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| 159 | |||
| 160 | if (seleccionadas.length == 1) { |
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| 161 | if (seleccionadas[0] instanceof AlphanumericData) { |
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| 162 | return true; |
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| 163 | } |
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| 164 | } |
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| 165 | } |
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| 166 | |||
| 167 | return false; |
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| 168 | } |
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| 169 | } |
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| 170 | |||
| 171 | /**
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| 172 | * DOCUMENT ME!
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| 173 | *
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| 174 | * @param expression DOCUMENT ME!
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| 175 | */
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| 176 | public void newSet(String expression) { |
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| 177 | long[] sel = doSet(expression); |
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| 178 | |||
| 179 | if (sel == null) { |
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| 180 | throw new RuntimeException("Not a 'where' clause?"); |
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| 181 | } |
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| 182 | |||
| 183 | FBitSet selection = new FBitSet();
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| 184 | |||
| 185 | for (int i = 0; i < sel.length; i++) { |
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| 186 | selection.set((int) sel[i]);
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| 187 | } |
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| 188 | |||
| 189 | dataSource.clearSelection(); |
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| 190 | dataSource.setSelection(selection); |
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| 191 | } |
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| 192 | |||
| 193 | /**
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| 194 | * @see com.iver.cit.gvsig.gui.filter.ExpressionListener#newSet(java.lang.String)
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| 195 | */
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| 196 | private long[] doSet(String expression) { |
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| 197 | try {
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| 198 | DataSource ds = LayerFactory.getDataSourceFactory().executeSQL(expression,
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| 199 | 2667 | fernando | DataSourceFactory.MANUAL_OPENING); |
| 200 | 2183 | fernando | |
| 201 | return ds.getWhereFilter();
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| 202 | } catch (DriverLoadException e) {
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| 203 | NotificationManager.addError("Error cargando el driver", e);
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| 204 | } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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| 205 | NotificationManager.addError("Error accediendo al driver", e);
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| 206 | } catch (ParseException e) { |
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| 207 | NotificationManager.addError("Parse error", e);
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| 208 | } catch (SemanticException e) {
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| 209 | NotificationManager.addError(e.getMessage(), e); |
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| 210 | } catch (IOException e) { |
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| 211 | NotificationManager.addError("GDBMS internal error", e);
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| 212 | 2217 | fernando | } catch (EvaluationException e) {
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| 213 | NotificationManager.addError("Sintaxis incorrecta", e);
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| 214 | } |
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| 215 | 2183 | fernando | |
| 216 | return null; |
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| 217 | } |
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| 218 | |||
| 219 | /**
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| 220 | * DOCUMENT ME!
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| 221 | *
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| 222 | * @param expression DOCUMENT ME!
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| 223 | */
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| 224 | public void addToSet(String expression) { |
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| 225 | long[] sel = doSet(expression); |
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| 226 | |||
| 227 | if (sel == null) { |
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| 228 | throw new RuntimeException("Not a 'where' clause?"); |
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| 229 | } |
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| 230 | |||
| 231 | FBitSet selection = new FBitSet();
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| 232 | |||
| 233 | for (int i = 0; i < sel.length; i++) { |
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| 234 | selection.set((int) sel[i]);
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| 235 | } |
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| 236 | |||
| 237 | FBitSet fbs = dataSource.getSelection(); |
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| 238 | fbs.or(selection); |
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| 239 | dataSource.setSelection(fbs); |
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| 240 | } |
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| 241 | |||
| 242 | /**
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| 243 | * DOCUMENT ME!
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| 244 | *
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| 245 | * @param expression DOCUMENT ME!
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| 246 | */
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| 247 | public void fromSet(String expression) { |
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| 248 | long[] sel = doSet(expression); |
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| 249 | |||
| 250 | if (sel == null) { |
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| 251 | throw new RuntimeException("Not a 'where' clause?"); |
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| 252 | } |
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| 253 | |||
| 254 | FBitSet selection = new FBitSet();
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| 255 | |||
| 256 | for (int i = 0; i < sel.length; i++) { |
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| 257 | selection.set((int) sel[i]);
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| 258 | } |
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| 259 | |||
| 260 | FBitSet fbs = dataSource.getSelection(); |
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| 261 | fbs.and(selection); |
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| 262 | dataSource.setSelection(fbs); |
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| 263 | } |
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| 264 | } |