Application: gvSIG desktop

/*

 * Created on 03-ago-2006

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: GeoProcessingDissolvePanel2.java 7474 2006-09-21 18:21:09Z azabala $

 * $Log$

 * Revision 1.2  2006-09-21 18:21:09  azabala

 * fixed bug in sumarization function dialog

 *

 * Revision 1.1  2006/08/11 16:28:25  azabala

 * *** empty log message ***

 *

 *

 */

package com.iver.cit.gvsig.geoprocess.impl.dissolve.gui;

import java.awt.GridBagConstraints;

import java.awt.Insets;

import java.awt.event.ItemEvent;

import java.util.ArrayList;

import java.util.Map;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JPanel;

import com.hardcode.gdbms.engine.data.DataSource;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.cit.gvsig.fmap.layers.SelectableDataSource;

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

import com.iver.cit.gvsig.geoprocess.core.fmap.SummarizationFunction;

import com.iver.cit.gvsig.geoprocess.core.fmap.XTypes;

import com.iver.cit.gvsig.geoprocess.core.gui.AbstractGeoprocessGridbagPanel;

import com.iver.cit.gvsig.geoprocess.core.gui.NumericFieldFunctionsControl;

public class GeoProcessingDissolvePanel2 extends AbstractGeoprocessGridbagPanel

                implements DissolvePanelIF {

        JComboBox dissolveFieldComboBox;

        JCheckBox dissolveAdjacentsCheck;

        JPanel sumarizationAttrsPanel;

        /**

         * Constructor

         * 

         * @param layers

         */

        public GeoProcessingDissolvePanel2(FLayers layers) {

                super(layers, PluginServices.getText(null,

                                "Disolver._Introduccion_de_datos")

                                + ":");

        }

        protected void addSpecificDesign() {

                // FIXME Si dejamos el insets a gusto del programador,

                // no saldra alineado con el inset de la clase abstracta

                // crear metodos especificos de geoprocessing que creen el Insets

                Insets insets = new Insets(5, 5, 5, 5);

                String dissolveFieldText = PluginServices.getText(this,

                                "Campo_para_disolver")

                                + ":";

                dissolveFieldComboBox = getDissolveFieldJComboBox();

                addComponent(dissolveFieldText, dissolveFieldComboBox,

                                GridBagConstraints.BOTH, insets);

                dissolveAdjacentsCheck = new JCheckBox();

                dissolveAdjacentsCheck.setText(PluginServices.getText(this,

                                "Solo_disolver_adyacentes"));

                addComponent(dissolveAdjacentsCheck, GridBagConstraints.BOTH, insets);

                sumarizationAttrsPanel =  getSumarizeAttributesPanel();

                addComponent(sumarizationAttrsPanel, GridBagConstraints.HORIZONTAL,

                                insets);

                initSelectedItemsJCheckBox();

                updateNumSelectedFeaturesLabel();

                inputLayerSelectedChange();

        }

        public boolean onlyAdjacentSelected() {

                return dissolveAdjacentsCheck.isSelected();

        }

        public Map getFieldFunctionMap() {

                return ((NumericFieldFunctionsControl)sumarizationAttrsPanel).

                getFieldFunctionMap();

        }

        //TODO Llamar a NumericFieldFunctionControl

        public void openSumarizeFunction() {

                ((NumericFieldFunctionsControl)sumarizationAttrsPanel).openSumarizeFunction();

        }

        public boolean isDissolveOnlySelected() {

                return super.isFirstOnlySelected();

        }

        /**

         * Processes layer selection event in input layer combo box

         */

        public void inputLayerSelectedChange() {

                processLayerComboBoxStateChange(null);

        }

        protected void processLayerComboBoxStateChange(ItemEvent e) {

                // Cambiar el estado del jComboBox1

                DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                getFieldNames());

                dissolveFieldComboBox.setModel(defaultModel);

                ((NumericFieldFunctionsControl)sumarizationAttrsPanel).

                        setLayer(getInputLayer());

        }

        public String getDissolveFieldName() {

                return (String) dissolveFieldComboBox.getSelectedItem();

        }

        /**

         * Returns numeric fields' names of the selected input layer. Needed to say

         * user where he could apply sumarization functions.

         */

        public String[] getInputLayerNumericFields() {

                String[] solution;

                FLyrVect layer = getInputLayer();

                ArrayList list = new ArrayList();

                try {

                        SelectableDataSource recordset = layer.getRecordset();

                        int numFields = recordset.getFieldCount();

                        for (int i = 0; i < numFields; i++) {

                                if (XTypes.isNumeric(recordset.getFieldType(i))) {

                                        list.add(recordset.getFieldName(i));

                                }

                        }// for

                } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

                        return null;

                } catch (DriverException e) {

                        return null;

                }

                solution = new String[list.size()];

                list.toArray(solution);

                return solution;

        }

        public String[] getFieldsToSummarize() {

                return ((NumericFieldFunctionsControl)sumarizationAttrsPanel).

                                                                                getFieldsToSummarize();

        }

        public SummarizationFunction[] getSumarizationFunctinFor(

                        String numericFieldName) {

                return ((NumericFieldFunctionsControl)sumarizationAttrsPanel).

                                        getSumarizationFunctinFor(numericFieldName);

        }

        private JComboBox getDissolveFieldJComboBox() {

                if (dissolveFieldComboBox == null) {

                        dissolveFieldComboBox = new JComboBox();

                        DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                        getFieldNames());

                        dissolveFieldComboBox.setModel(defaultModel);

                }

                return dissolveFieldComboBox;

        }

        private String[] getFieldNames() {

                AlphanumericData lyr = (AlphanumericData) getInputLayer();

                DataSource ds;

                String[] fieldNames = null;

                try {

                        ds = lyr.getRecordset();

                        fieldNames = new String[ds.getFieldCount()];

                        for (int i = 0; i < ds.getFieldCount(); i++) {

                                fieldNames[i] = ds.getFieldName(i);

                        }

                } catch (DriverException e) {

                        e.printStackTrace();

                } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

                        e.printStackTrace();

                }

                return fieldNames;

        }

        private JPanel getSumarizeAttributesPanel() {

                if (sumarizationAttrsPanel == null) {

                        sumarizationAttrsPanel = new NumericFieldFunctionsControl(getInputLayer());

                }

                return sumarizationAttrsPanel;

        }

}