| gvSIG desktop 1

/*

 * Created on 28-jul-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:

 *

 * $Id$

 * $Log$

 * Revision 1.1  2006-08-11 16:14:17  azabala

 * first version in cvs

 *

 *

 */

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

import java.awt.Color;

import java.awt.GridBagConstraints;

import java.awt.Insets;

import java.awt.event.ItemEvent;

import javax.swing.ButtonGroup;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JFormattedTextField;

import javax.swing.JLabel;

import javax.swing.JRadioButton;

import javax.swing.JSpinner;

import javax.swing.JTextField;

import javax.swing.SpinnerListModel;

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.GeoprocessException;

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

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

public class GeoProcessingBufferPanel2 extends AbstractGeoprocessGridbagPanel

                                                implements BufferPanelIF {

        //first row->radio button and text field to entry dists

        JRadioButton distanceBufferRadioButton;

        JTextField bufferDistanceTextField;

        //second row: field values, combo with fields

        JRadioButton attributeBufferRadioButton;

        JComboBox layerFieldsComboBox;

        //third row: user selections

        JCheckBox dissolveEntitiesJCheckBox;

        JCheckBox endCapCheckBox;

        //more user selections

        JLabel typeBufferLabel;

        JComboBox typeBufferComboBox;

        JLabel radialBufferLabel;

        JSpinner radialBufferSpinner;

        /**

         * Constructor.

         *

         */

        public GeoProcessingBufferPanel2(FLayers layers) {

                super(layers, PluginServices.getText(null,

                                "Areas_de_influencia._Introduccion_de_datos")

                                + ":");

        }

        protected void addSpecificDesign() {

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

                //row of constant distance radio button and text field

                this.distanceBufferRadioButton = new JRadioButton();

                this.distanceBufferRadioButton.setText(PluginServices.getText(this,

                                "Area_de_influencia_definida_por_una_distancia")

                                + ":");

                this.distanceBufferRadioButton

                                .addActionListener(new java.awt.event.ActionListener() {

                                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                                constantDistanceSelected();

                                        }

                                }

                );

                this.bufferDistanceTextField = new JTextField();

                addComponent(distanceBufferRadioButton,

                                bufferDistanceTextField,

                                GridBagConstraints.BOTH,

                                insets);

                //row of attribute based distance and fields combo box

                this.attributeBufferRadioButton = new JRadioButton();

                this.attributeBufferRadioButton.setText(PluginServices.getText(this,

                                "Area_de_influencia_definida_por_un_campo")

                                + ":");

                this.attributeBufferRadioButton.setBounds(new java.awt.Rectangle(2, 41,

                                287, 21));

                this.attributeBufferRadioButton

                                .addActionListener(new java.awt.event.ActionListener() {

                                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                                attributeDistanceSelected();

                                        }

                                });

                this.layerFieldsComboBox = new JComboBox();

                this.layerFieldsComboBox.setBounds(new java.awt.Rectangle(308, 41, 138,

                                21));

                DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                getFieldNames());

                this.layerFieldsComboBox.setModel(defaultModel);

                addComponent(attributeBufferRadioButton,

                                                        layerFieldsComboBox,

                                                        GridBagConstraints.BOTH,

                                                        insets);

                ButtonGroup buttonGroup = new ButtonGroup();

                buttonGroup.add(distanceBufferRadioButton);

                buttonGroup.add(attributeBufferRadioButton);

                //row of options check boxes

                this.dissolveEntitiesJCheckBox = new JCheckBox();

                this.dissolveEntitiesJCheckBox.setText(PluginServices.getText(this,

                                "Disolver_entidades"));

                this.endCapCheckBox = new JCheckBox();

                this.endCapCheckBox.setText(PluginServices.getText(this,

                                "No_usar_buffer_redondeado"));

                addComponent(dissolveEntitiesJCheckBox,

                                                                endCapCheckBox,

                                                                GridBagConstraints.NONE,

                                                                insets);

                this.typeBufferLabel = new JLabel();

                this.typeBufferLabel.setText(PluginServices

                                .getText(this, "Crear_Buffer"));

                this.typeBufferComboBox = new JComboBox();

                this.typeBufferComboBox.addItem(BUFFER_INSIDE);

                this.typeBufferComboBox.addItem(BUFFER_OUTSIDE);

                this.typeBufferComboBox.addItem(BUFFER_INSIDE_OUTSIDE);

                this.typeBufferComboBox.setSelectedItem(BUFFER_OUTSIDE);

                addComponent(typeBufferLabel,

                                        typeBufferComboBox,

                                        GridBagConstraints.NONE,

                                        insets);

                this.radialBufferLabel = new JLabel();

                this.radialBufferLabel.setText(PluginServices.getText(this,

                                "Numero_anillos_concentricos"));

                Integer one = new Integer(1);

                Integer two = new Integer(2);

                Integer three = new Integer(3);

                SpinnerListModel listModel = new SpinnerListModel(new Integer[] {

                                one, two, three });

                this.radialBufferSpinner = new JSpinner(listModel);

                this.radialBufferSpinner.setBounds(new java.awt.Rectangle(298, 3, 137,

                                19));

                // Disable keyboard edits in the spinner

                JFormattedTextField tf = ((JSpinner.DefaultEditor) radialBufferSpinner

                                .getEditor()).getTextField();

                tf.setEditable(false);

                tf.setBackground(Color.white);

                addComponent(radialBufferLabel,

                                        radialBufferSpinner,

                                        GridBagConstraints.BOTH,

                                        insets);

                initSelectedItemsJCheckBox();

                updateNumSelectedFeaturesLabel();

                this.distanceBufferRadioButton.setSelected(true);

                this.layerFieldsComboBox.setEnabled(false);

                this.verifyTypeBufferComboEnabled();

        }

        /**

         * Returns the number of radial buffers selected by user (by now, only a

         * maximum of three radial buffers allowed)

         *

         * @return

         */

        public int getNumberOfRadialBuffers() {

                return ((Integer) this.radialBufferSpinner.getValue()).intValue();

        }

        private JTextField getBufferDistanceTextField(){

                return this.bufferDistanceTextField;

        }

        private JComboBox getLayerFieldsComboBox(){

                return this.layerFieldsComboBox;

        }

        public void constantDistanceSelected() {

                getBufferDistanceTextField().setEnabled(true);

                getLayerFieldsComboBox().setEnabled(false);

        }

        public void attributeDistanceSelected() {

                getBufferDistanceTextField().setEnabled(false);

                getLayerFieldsComboBox().setEnabled(true);

        }

        public String getTypePolygonBuffer() {

                return (String) this.typeBufferComboBox.getSelectedItem();

        }

        public boolean isSquareCap() {

                return this.endCapCheckBox.isSelected();

        }

        private String[] getFieldNames() {

                AlphanumericData lyr = (AlphanumericData) (layers

                                .getLayer((String) layersComboBox.getSelectedItem()));

                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) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

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

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                return fieldNames;

        }

        protected void processLayerComboBoxStateChange(ItemEvent e) {

//                 Cambiar el estado del CheckBox

//                lo comento pq esto se ha a?adido a la clase padre

//                initSelectedItemsJCheckBox();

                // Cambiar el estado del layerFieldsComboBox

                DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                getFieldNames());

                layerFieldsComboBox.setModel(defaultModel);

                verifyTypeBufferComboEnabled();

        }

        private void verifyTypeBufferComboEnabled(){

                String layerName = (String) this.layersComboBox.getSelectedItem();

                FLyrVect layer = (FLyrVect) this.layers.getLayer(layerName);

                boolean enable = false;

                try {

                        enable = layer.getShapeType() == XTypes.POLYGON;

                } catch (DriverException e1) {

                        e1.printStackTrace();

                }

                enableTypePolygonBufferPanel(enable);

        }

        public void enableTypePolygonBufferPanel(boolean enable) {

                this.typeBufferComboBox.setEnabled(enable);

        }

        public boolean isConstantDistanceSelected() {

                return this.distanceBufferRadioButton.isSelected();

        }

        public boolean isAttributeDistanceSelected() {

                return this.attributeBufferRadioButton.isSelected();

        }

        public double getConstantDistance() throws GeoprocessException {

                try {

                        String strDist = this.bufferDistanceTextField.getText();

                        return Double.parseDouble(strDist);

                } catch (NumberFormatException ex) {

                        throw new GeoprocessException(

                                        "Distancia de buffer introducida no numerica");

                }

        }

        public String getAttributeDistanceField() throws GeoprocessException {

                String attributeField = (String) this.layerFieldsComboBox.getSelectedItem();

                FLyrVect selectedLayer = getInputLayer();

                try {

                        SelectableDataSource selectable = selectedLayer.getRecordset();

                        int fieldIndex = selectable.getFieldIndexByName(attributeField);

                        int fieldType = selectable.getFieldType(fieldIndex);

                        if (!XTypes.isNumeric(fieldType))

                                throw new GeoprocessException(

                                                "Atributo no numerico para distancia de buffer");

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

                        throw new GeoprocessException(

                                        "Problemas accediendo al campo que define la distancia de buffer");

                } catch (DriverException e) {

                        throw new GeoprocessException(

                                        "Problemas accediendo al campo que define la distancia de buffer");

                }

                return attributeField;

        }

        public boolean isBufferOnlySelected() {

                return super.isFirstOnlySelected();

        }

        public boolean isDissolveBuffersSelected() {

                return this.dissolveEntitiesJCheckBox.isSelected();

        }

}