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root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / filter / FilterTocMenuEntry.java @ 11507

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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) 2007 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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package org.gvsig.rastertools.filter;
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import java.util.ArrayList;
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import javax.swing.event.TreeSelectionEvent;
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import javax.swing.event.TreeSelectionListener;
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import javax.swing.tree.DefaultTreeModel;
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import org.gvsig.fmap.layers.FLyrRasterSE;
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import org.gvsig.gui.beans.treelist.TreeListContainer;
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import org.gvsig.gui.beans.treelist.event.TreeListEvent;
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import org.gvsig.gui.beans.treelist.listeners.TreeListComponentListener;
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import org.gvsig.rastertools.filter.ui.RasterFilterDialog;
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import org.gvsig.rastertools.filter.ui.RasterFilterPanel;
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import com.iver.andami.PluginServices;
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import com.iver.cit.gvsig.fmap.layers.FLayer;
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import com.iver.cit.gvsig.gui.panels.IRasterPropertiesRegistrable;
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import com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction;
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import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;
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/**
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 * Punto de entrada del menu para los filtros
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 *
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 * @version 02/05/2007
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 * @author Borja S?nchez Zamorano (borja.sanchez@iver.es)
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 */
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public class FilterTocMenuEntry extends AbstractTocContextMenuAction implements TreeSelectionListener, TreeListComponentListener {
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        private ArrayList                                                                        listeners = new ArrayList();
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        private RasterFilterDialog                                rasterFilterDialog = null;
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        private int                                                                                         width = 620;
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        private int                                                                                         height = 310;
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroup()
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         */
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        public String getGroup() {
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                return "RasterTools";
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        }
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroupOrder()
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         */
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        public int getGroupOrder() {
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                return 55;
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        }
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getOrder()
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         */
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        public int getOrder() {
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                return 0;
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        }
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getText()
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         */
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        public String getText() {
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                return PluginServices.getText(this, "filtros");
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        }
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        /**
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         * Los objetos que quieren que se ejecute su listerner deben ser registrados a
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         * traves de este m?todo. Cuando se ejecute el actionPerformed se buscar?
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         * todos los objetos registrados y ejecutar? el actionPerformed de cada uno,
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         * 
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         * @param obj Objeto a registrar
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         */
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        public void register(Object obj) {
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                if (obj instanceof IRasterPropertiesRegistrable)
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                        listeners.add(obj);
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        }
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isEnabled(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])
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         */
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        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {
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                return selectedItems.length == 1;
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        }
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        /*
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         * (non-Javadoc)
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         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isVisible(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])
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         */
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        public boolean isVisible(ITocItem item, FLayer[] selectedItems) {
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                if (isTocItemBranch(item))
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                        return (getNodeLayer(item) instanceof FLyrRasterSE);
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                return false;
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        }
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        /**
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         * Construye el arbol para el men? de filtros disponibles
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         */
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        private void menuBuild() {
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                TreeListContainer lc = rasterFilterDialog.getSelector();
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                lc.getTree().addTreeSelectionListener(this);
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                lc.addTreeListListener(this);
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                lc.addClass(PluginServices.getText(this, "detecci?n_bordes"), 0);
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                lc.addEntry(PluginServices.getText(this, "sobel"), PluginServices.getText(this, "detecci?n_bordes"), "sobel");
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                lc.addEntry(PluginServices.getText(this, "roberts"), PluginServices.getText(this, "detecci?n_bordes"), "roberts");
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                lc.addEntry(PluginServices.getText(this, "laplace"), PluginServices.getText(this, "detecci?n_bordes"), "laplace");
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                lc.addEntry(PluginServices.getText(this, "prewitt"), PluginServices.getText(this, "detecci?n_bordes"), "prewitt");
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                lc.addEntry(PluginServices.getText(this, "frei_chen"), PluginServices.getText(this, "detecci?n_bordes"), "frei_chen");
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                lc.addClass(PluginServices.getText(this, "suavizado"), 1);
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                lc.addEntry(PluginServices.getText(this, "paso_bajo"), PluginServices.getText(this, "suavizado"), "paso_bajo");
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                lc.addEntry(PluginServices.getText(this, "mediana"), PluginServices.getText(this, "suavizado"), "mediana");
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                lc.addEntry(PluginServices.getText(this, "media"), PluginServices.getText(this, "suavizado"), "media");
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                lc.addEntry(PluginServices.getText(this, "gauss"), PluginServices.getText(this, "suavizado"), "gauss");
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                lc.getTree().expandRow(0);
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        }
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        public void execute(ITocItem item, FLayer[] selectedItems) {
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                FLayer lyr = null;
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                lyr = getNodeLayer(item);
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                if (lyr instanceof FLyrRasterSE) {
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                        rasterFilterDialog = new RasterFilterDialog((FLyrRasterSE) lyr, width, height);
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                        // Construimos el men?
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                        menuBuild();
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                        // Cargamos el panel que es visible para el usuario
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                        loadVisiblePanel();
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                        rasterFilterDialog.setLayer(lyr);
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                        PluginServices.getMDIManager().addWindow(rasterFilterDialog);
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                }
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        }
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        /**
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         * Carga el panel que es visible al usuario. Si hay filtros en la lista se
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         * mostrar? el primero de la lista sino se mostrar? el primero del arbol de
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         * filtros.
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         */
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        private void loadVisiblePanel() {
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                String firstFilter = "";
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                TreeListContainer lc = rasterFilterDialog.getSelector();
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                DefaultTreeModel modelTree = (DefaultTreeModel) lc.getTree().getModel();
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                firstFilter = modelTree.getChild(modelTree.getChild(modelTree.getRoot(), 0), 0).toString();
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                lc.getTree().expandRow(1);
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                lc.getTree().setSelectionInterval(2, 2);
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                int pos = RasterFilterPanel.getPos(firstFilter);
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                // Si pos es -1 es pq para el primero de la lista no existe panel para ?l.
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                if (pos == -1)
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                        return;
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                else {
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                        rasterFilterDialog.setVisiblePanel(pos);
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                        rasterFilterDialog.getPFilter().setTitle(PluginServices.getText(this, "filtro_de") + " " + firstFilter);
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                }
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        }
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        /**
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         * Este m?todo se ejecuta cada vez que cambia el valor seleccionado en el
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         * men?, es decir cuando se pincha sobre una entrada de men? define que
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         * acciones se realizan. En ?l, hay que definir para cada entrada (addEntry)
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         * que hallamos puesto en la funci?n menuBuild cual ser? el comportamiento de
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         * esta, es decir que panel se muestra cuando se selecciona dicha entrada.
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         */
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        public void valueChanged(TreeSelectionEvent e) {
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                String path = null;
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                try {
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                        path = e.getNewLeadSelectionPath().toString();
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                } catch (NullPointerException exc) {
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                        return;
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                }
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                if (path == null)
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                        return;
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/*
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                String selection = path.substring(path.lastIndexOf(", ") + 2, path.lastIndexOf("]"));
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                TreeListContainer lc = rasterFilterDialog.getSelector();
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                actionsForFirstDerivativeFilter(0, selection, "sobel", lc, sobel);
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                actionsForFirstDerivativeFilter(1, selection, "roberts", lc, roberts);
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                actionsForFirstDerivativeFilter(2, selection, "prewitt", lc, prewitt);
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                actionsForFirstDerivativeFilter(3, selection, "frei_chen", lc, frei_chen);
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                actionsForConvolutionFilter(4, selection, "paso_bajo", lc, paso_bajo);
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                actionsForConvolutionFilter(5, selection, "mediana", lc, mediana);
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                actionsForConvolutionFilter(6, selection, "media", lc, media);
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                actionsForConvolutionFilter(7, selection, "gauss", lc, gauss);
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                actionsForConvolutionFilter(8, selection, "laplace", lc, laplace);
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*/
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        }
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        /**
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         * Este m?todo es ejecutado cuando se inserta un nuevo elemento en la lista
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         * @param e TreeListEvent
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         */
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        public void elementAdded(TreeListEvent e) {
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                int pos = RasterFilterPanel.getPos(e.getElementAdded());
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                try {
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                        if (pos > -1)
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                                rasterFilterDialog.getPanel(pos).setEnabled(true);
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                } catch (ArrayIndexOutOfBoundsException exc) {
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                        return;
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                }
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        }
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        /**
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         * Este m?todo activa el panel visible si su filtro correspondiente est? en la
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         * lista de filtros activos sino lo desactiva.
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         * 
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         * @param lc Lista a comprobar si est? el filtro insertado
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         * @param filter Nombre del filtro del cual se comprueba si est? en la lista
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         */
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/*
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        private void setEnableVisiblePanel(TreeListContainer lc, String filter) {
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                if (lc.isInList(PluginServices.getText(this, filter)))
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                        rasterFilterDialog.getVisiblePanel().setEnabled(true);
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                else
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                        rasterFilterDialog.getVisiblePanel().setEnabled(false);
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        }
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*/
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        /**
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         * Este m?todo es ejecutado cuando se elimina un elemento de la lista
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         * @param e TreeListEvent
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         */
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        public void elementRemoved(TreeListEvent e) {
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                int pos = RasterFilterPanel.getPos(e.getElementRemoved());
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                try {
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                        if (pos > -1)
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                                rasterFilterDialog.getPanel(pos).setEnabled(false);
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                } catch (ArrayIndexOutOfBoundsException exc) {
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                        return;
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                }
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        }
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        /**
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         * Este m?todo es ejecutado cuando se mueve un elemento de la lista
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         * @param e TreeListEvent
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         */
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        public void elementMoved(TreeListEvent arg0) {
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        }
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}