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branches/Fmap_GisPlanet/libraries/libFMap/src/com/iver/cit/gvsig/fmap/operations/selection/LinkSelectionListener.java | ||
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
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* |
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana. |
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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 2 |
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* of the License, or (at your option) any later 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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* |
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
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* |
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* For more information, contact: |
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* |
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* Generalitat Valenciana |
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* Conselleria d'Infraestructures i Transport |
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* Av. Blasco Ib??ez, 50 |
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* 46010 VALENCIA |
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* SPAIN |
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* |
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* +34 963862235 |
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* gvsig@gva.es |
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* www.gvsig.gva.es |
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* |
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* or |
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* |
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* IVER T.I. S.A |
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* Salamanca 50 |
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* 46005 Valencia |
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* Spain |
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* |
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* +34 963163400 |
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* dac@iver.es |
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*/ |
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package com.iver.cit.gvsig.fmap.operations.selection; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.SelectionEvent; |
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import com.iver.cit.gvsig.fmap.layers.SelectionListener; |
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import java.util.HashMap; |
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/** |
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* Listener que est? pendiente de la selecci?n que se haga sobre la tabla para |
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* poder seleccionar de la tabla linkada los registros oportunos. |
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class LinkSelectionListener implements SelectionListener { |
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private SelectableDataSource modelo1; |
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private SelectableDataSource modelo2; |
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private int index1; |
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private int index2; |
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/** |
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* Crea un nuevo LinkSelectionListener. Donde se pasan como par?metros dos |
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* SelectableDataSource, el primero de ellos(model1), representa la tabla |
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* sobre la que al seleccionar alg?n registro buscaremos en el modelo2 |
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* para ver el valor del campo s1 y compararlo con el valor del campo s2 y |
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* de esta forma seleccionar instantanemente los registros oportunos en la |
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* tabla al que se representa con el modelo2. |
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* |
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* @param model1 SelectableDataSource de la tabla sobre la que se efectua |
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* el link. |
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* @param model2 SelectableDataSource de la tabla linkada. |
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* @param s1 nombre del campo de la tabla donde se efectua el link. |
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* @param s2 nombre del campo de la tabla linkada. |
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*/ |
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public LinkSelectionListener(SelectableDataSource model1, |
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SelectableDataSource model2, String s1, String s2) { |
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modelo1 = model1; |
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modelo2 = model2; |
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try { |
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index1 = modelo1.getFieldIndexByName(s1); |
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index2 = modelo2.getFieldIndexByName(s2); |
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} catch (DriverException e) { |
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e.printStackTrace(); |
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} |
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//field1 = s1; |
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//field2 = s2; |
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} |
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/** |
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* @see com.iver.cit.gvsig.fmap.layers.LegendListener#selectionChanged(com.iver.cit.gvsig.fmap.layers.LayerEvent) |
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*/ |
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public void selectionChanged(SelectionEvent e) { |
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FBitSet bs1 = modelo1.getSelection(); |
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FBitSet bs2 = new FBitSet(); //(FBitSet)modelo2.getSelection().clone(); |
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HashMap idx = new HashMap((int) bs1.cardinality()); |
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//int index1 = -1; |
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//int index2 = -1; |
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try { |
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// Construimos el ?ndice |
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for (int i = bs1.nextSetBit(0); i >= 0; |
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i = bs1.nextSetBit(i + 1)) { |
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Value v = modelo1.getFieldValue((long) i, index1); |
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if (idx.get(v) == null) { |
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idx.put(v, new Integer(i)); |
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} |
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} |
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} catch (DriverException e2) { |
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e2.printStackTrace(); |
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} |
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try { |
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for (int i = 0; i < modelo2.getRowCount(); i++) { |
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Value v = modelo2.getFieldValue(i, index2); |
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Integer pi = (Integer) idx.get(v); |
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if (pi != null) { |
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bs2.set(i); |
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} |
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} |
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} catch (DriverException e1) { |
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e1.printStackTrace(); |
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} |
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modelo2.setSelection(bs2); |
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//modelo2.fireSelectionEvents(); |
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} |
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} |
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