| gvSIG desktop 1

/*

 * Created on 04-jul-2005

 *

 * 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

 */

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

import java.awt.Color;

import java.awt.Component;

import java.awt.event.ItemEvent;

import java.io.File;

import javax.swing.ButtonGroup;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JFileChooser;

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.andami.ui.mdiManager.View;

import com.iver.andami.ui.mdiManager.ViewInfo;

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

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

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.AbstractGeoprocessPanel;

import com.iver.utiles.GenericFileFilter;

import javax.swing.JPanel;

/**

 * Component that represents a Step of the GeoProcessingPanel Wizard. It allows

 * user to make selections to do buffers geoprocesses.

 *

 * @author jmorell, azabala

 *

 * TODO copiar del ClipPanel el que se muestre el numero de elementos

 * seleccionados en la capa

 */

public class GeoProcessingBufferPanel extends AbstractGeoprocessPanel implements

                BufferPanelIF, View {

        /*

         * Constants to indicate how to create buffers on polygonal geometries

         */

        public final String BUFFER_INSIDE = PluginServices.getText(this, "Dentro");

        public final String BUFFER_INSIDE_OUTSIDE = PluginServices.getText(this,

                        "Dentro_y_fuera");

        public final String BUFFER_OUTSIDE = PluginServices.getText(this, "Fuera");

        private static final long serialVersionUID = 1L;

        private JLabel jLabel = null;

        private JCheckBox selectedOnlyCheckbox = null;

        private JTextField fileNameResultTextField = null;

        private JButton openFileButton = null;

        private JRadioButton distanceBufferRadioButton = null;

        private JTextField bufferDistanceTextField = null;

        private JRadioButton attributeBufferRadioButton = null;

        private JComboBox layerFieldsComboBox = null;

        private ButtonGroup buttonGroup = null;

        private JLabel jLabel3 = null;

        private JCheckBox dissolveEntitiesJCheckBox = null;

        private ViewInfo viewInfo;

        private JPanel methodSelectionPanel = null;

        private JPanel resultSelectionPanel = null;

        private JLabel jLabel1 = null;

        private JCheckBox endCapCheckBox = null;

        private JPanel extendedOptionsPanel = null;

        private JPanel typePolygonBufferPanel = null;

        private JLabel typeBufferLabel = null;

        private JComboBox typeBufferComboBox = null;

        private JPanel numBuffersPanel = null;

        private JLabel radialBufferLabel = null;

        private JSpinner radialBufferSpinner = null;

        /**

         * This constructor initializes the set of layers

         */

        public GeoProcessingBufferPanel(FLayers layers) {

                super();

                this.layers = layers;

                initialize();

        }

        /**

         * This method initializes this

         *

         * @return void

         */

        private void initialize() {

                jLabel3 = new JLabel();

                jLabel = new JLabel();

                this.setLayout(null);

                this.setBounds(new java.awt.Rectangle(0, 0, 486, 377));

                jLabel.setText(PluginServices.getText(this,

                                "Areas_de_influencia._Introduccion_de_datos")

                                + ":");

                jLabel.setBounds(5, 20, 343, 21);

                jLabel3.setText(PluginServices.getText(this, "Cobertura_de_entrada")

                                + ":");

                jLabel3.setBounds(6, 63, 190, 21);

                this.add(jLabel, null);

                this.add(jLabel3, null);

                this.add(getLayersComboBox(), null);

                this.add(getSelectedOnlyCheckBox(), null);

                this.add(getMethodSelectionPanel(), null);

                this.add(getResultSelectionPanel(), null);

                this.add(getExtendedOptionsPanel(), null);

                confButtonGroup();

                layersComboBox.setSelectedIndex(0);

                initSelectedItemsJCheckBox();

                distanceBufferRadioButton.setSelected(true);

                layerFieldsComboBox.setEnabled(false);

                verifyTypeBufferComboEnabled();

        }

        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;

        }

        private void initSelectedItemsJCheckBox() {

                String selectedLayer = (String) layersComboBox.getSelectedItem();

                FLyrVect inputLayer = (FLyrVect) layers.getLayer(selectedLayer);

                FBitSet fBitSet = null;

                try {

                        fBitSet = inputLayer.getRecordset().getSelection();

                } catch (DriverException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                if (fBitSet.cardinality() == 0) {

                        selectedOnlyCheckbox.setEnabled(false);

                } else {

                        selectedOnlyCheckbox.setEnabled(true);

                }

                selectedOnlyCheckbox.setSelected(false);

        }

        private JCheckBox getSelectedOnlyCheckBox() {

                if (selectedOnlyCheckbox == null) {

                        selectedOnlyCheckbox = new JCheckBox();

                        selectedOnlyCheckbox.setText(PluginServices.getText(this,

                                        "Usar_solamente_los_elementos_seleccionados"));

                        selectedOnlyCheckbox.setBounds(8, 102, 339, 21);

                }

                return selectedOnlyCheckbox;

        }

        /**

         * This method initializes layersComboBox

         *

         * @return javax.swing.JComboBox

         */

        private JComboBox getLayersComboBox() {

                if (layersComboBox == null) {

                        layersComboBox = new JComboBox();

                        DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                        getLayerNames());

                        layersComboBox.setModel(defaultModel);

                        layersComboBox.setBounds(142, 63, 260, 21);

                        layersComboBox.addItemListener(new java.awt.event.ItemListener() {

                                public void itemStateChanged(ItemEvent e) {

                                        if (e.getStateChange() == ItemEvent.SELECTED) {

                                                // Cambiar el estado del CheckBox

                                                initSelectedItemsJCheckBox();

                                                // Cambiar el estado del layerFieldsComboBox

                                                DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                                                getFieldNames());

                                                layerFieldsComboBox.setModel(defaultModel);

                                                verifyTypeBufferComboEnabled();

                                        }

                                }

                        });

                }

                return layersComboBox;

        }

        private void verifyTypeBufferComboEnabled(){

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

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

                boolean enable = false;

                try {

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

                } catch (DriverException e1) {

                        e1.printStackTrace();

                }

                enableTypePolygonBufferPanel(enable);

        }

        /**

         * This method initializes fileNameResultTextField

         *

         * @return javax.swing.JTextField

         */

        private JTextField getFileNameResultTextField() {

                if (fileNameResultTextField == null) {

                        fileNameResultTextField = new JTextField();

                        fileNameResultTextField.setBounds(new java.awt.Rectangle(132, 11,

                                        199, 21));

                }

                return fileNameResultTextField;

        }

        /**

         * This method initializes openFileButton

         *

         * @return javax.swing.JButton

         */

        private JButton getOpenFileButton() {

                if (openFileButton == null) {

                        openFileButton = new JButton();

                        openFileButton.setText(PluginServices.getText(this, "Abrir"));

                        openFileButton.setBounds(new java.awt.Rectangle(335, 11, 129, 21));

                        openFileButton

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

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

                                                        openResultFile();

                                                }

                                        });

                }

                return openFileButton;

        }

        private void confButtonGroup() {

                if (buttonGroup == null) {

                        buttonGroup = new ButtonGroup();

                        buttonGroup.add(getDistanceBufferRadioButton());

                        buttonGroup.add(getAttributeBufferRadioButton());

                }

        }

        /**

         * This method initializes distanceBufferRadioButton

         *

         * @return javax.swing.JRadioButton

         */

        private JRadioButton getDistanceBufferRadioButton() {

                if (distanceBufferRadioButton == null) {

                        distanceBufferRadioButton = new JRadioButton();

                        distanceBufferRadioButton.setText(PluginServices.getText(this,

                                        "Area_de_influencia_definida_por_una_distancia")

                                        + ":");

                        distanceBufferRadioButton.setBounds(new java.awt.Rectangle(2, 10,

                                        303, 24));

                        distanceBufferRadioButton

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

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

                                                        constantDistanceSelected();

                                                }

                                        });

                }

                return distanceBufferRadioButton;

        }

        /**

         * This method initializes bufferDistanceTextField

         *

         * @return javax.swing.JTextField

         */

        private JTextField getBufferDistanceTextField() {

                if (bufferDistanceTextField == null) {

                        bufferDistanceTextField = new JTextField();

                        bufferDistanceTextField.setBounds(new java.awt.Rectangle(308, 11,

                                        134, 21));

                }

                return bufferDistanceTextField;

        }

        /**

         * This method initializes attributeBufferRadioButton

         *

         * @return javax.swing.JRadioButton

         */

        private JRadioButton getAttributeBufferRadioButton() {

                if (attributeBufferRadioButton == null) {

                        attributeBufferRadioButton = new JRadioButton();

                        attributeBufferRadioButton.setText(PluginServices.getText(this,

                                        "Area_de_influencia_definida_por_un_campo")

                                        + ":");

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

                                        287, 21));

                        attributeBufferRadioButton

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

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

                                                        attributeDistanceSelected();

                                                }

                                        });

                }

                return attributeBufferRadioButton;

        }

        /**

         * This method initializes layerFieldsComboBox

         *

         * @return javax.swing.JComboBox

         */

        private JComboBox getLayerFieldsComboBox() {

                if (layerFieldsComboBox == null) {

                        layerFieldsComboBox = new JComboBox();

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

                                        21));

                        DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                        getFieldNames());

                        layerFieldsComboBox.setModel(defaultModel);

                }

                return layerFieldsComboBox;

        }

        public File getOutputFile() {

                return new File(getFileNameResultTextField().getText());

        }

        private JCheckBox getDissolveEntitiesJCheckBox() {

                if (dissolveEntitiesJCheckBox == null) {

                        dissolveEntitiesJCheckBox = new JCheckBox();

                        dissolveEntitiesJCheckBox.setText(PluginServices.getText(this,

                                        "Disolver_entidades"));

                        dissolveEntitiesJCheckBox.setBounds(new java.awt.Rectangle(9, 70,

                                        190, 21));

                }

                return dissolveEntitiesJCheckBox;

        }

        public void openResultFile() {

                JFileChooser jfc = new JFileChooser();

                jfc

                                .addChoosableFileFilter(new GenericFileFilter("shp",

                                                "Ficheros SHP"));

                if (jfc.showSaveDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION) {

                        File file = jfc.getSelectedFile();

                        if (!(file.getPath().endsWith(".shp") || file.getPath().endsWith(

                                        ".SHP"))) {

                                file = new File(file.getPath() + ".shp");

                        }

                }// if

                if (jfc.getSelectedFile() != null) {

                        getFileNameResultTextField().setText(

                                        jfc.getSelectedFile().getAbsolutePath());

                }

        }

        public void constantDistanceSelected() {

                getBufferDistanceTextField().setEnabled(true);

                getLayerFieldsComboBox().setEnabled(false);

        }

        public void attributeDistanceSelected() {

                getBufferDistanceTextField().setEnabled(false);

                getLayerFieldsComboBox().setEnabled(true);

        }

        public boolean isConstantDistanceSelected() {

                return distanceBufferRadioButton.isSelected();

        }

        public boolean isAttributeDistanceSelected() {

                return attributeBufferRadioButton.isSelected();

        }

        public double getConstantDistance() throws GeoprocessException {

                try {

                        String strDist = 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) 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 selectedOnlyCheckbox.isSelected();

        }

        public boolean isDissolveBuffersSelected() {

                return dissolveEntitiesJCheckBox.isSelected();

        }

        public ViewInfo getViewInfo() {

                if (viewInfo == null) {

                        viewInfo = new ViewInfo(ViewInfo.MODALDIALOG);

                        viewInfo.setTitle(PluginServices

                                        .getText(this, "Area_de_influencia"));

                }

                return viewInfo;

        }

        /**

         * This method initializes methodSelectionPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getMethodSelectionPanel() {

                if (methodSelectionPanel == null) {

                        methodSelectionPanel = new JPanel();

                        methodSelectionPanel.setLayout(null);

                        methodSelectionPanel.setBounds(new java.awt.Rectangle(2, 127, 467,

                                        94));

                        methodSelectionPanel

                                        .setBorder(javax.swing.BorderFactory

                                                        .createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));

                        methodSelectionPanel.add(getDistanceBufferRadioButton(), null);

                        methodSelectionPanel.add(getBufferDistanceTextField(), null);

                        methodSelectionPanel.add(getAttributeBufferRadioButton(), null);

                        methodSelectionPanel.add(getLayerFieldsComboBox(), null);

                        methodSelectionPanel.add(getDissolveEntitiesJCheckBox(), null);

                        methodSelectionPanel.add(getEndCapCheckBox(), null);

                }

                return methodSelectionPanel;

        }

        /**

         * This method initializes resultSelectionPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getResultSelectionPanel() {

                if (resultSelectionPanel == null) {

                        jLabel1 = new JLabel();

                        jLabel1.setBounds(new java.awt.Rectangle(5, 9, 132, 24));

                        jLabel1.setText(PluginServices.getText(this, "Cobertura_de_salida")

                                        + ":");

                        resultSelectionPanel = new JPanel();

                        resultSelectionPanel.setLayout(null);

                        resultSelectionPanel.setBounds(new java.awt.Rectangle(0, 291, 468,

                                        41));

                        resultSelectionPanel

                                        .setBorder(javax.swing.BorderFactory

                                                        .createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));

                        resultSelectionPanel.add(getFileNameResultTextField(), null);

                        resultSelectionPanel.add(getOpenFileButton(), null);

                        resultSelectionPanel.add(jLabel1, null);

                }

                return resultSelectionPanel;

        }

        public boolean isSquareCap() {

                return getEndCapCheckBox().isSelected();

        }

        /**

         * This method initializes endCapCheckBox

         *

         * @return javax.swing.JCheckBox

         */

        private JCheckBox getEndCapCheckBox() {

                if (endCapCheckBox == null) {

                        endCapCheckBox = new JCheckBox();

                        endCapCheckBox.setBounds(new java.awt.Rectangle(209, 69, 235, 21));

                        endCapCheckBox.setText(PluginServices.getText(this,

                                        "No_usar_buffer_redondeado"));

                }

                return endCapCheckBox;

        }

        /**

         * This method initializes extendedOptionsPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getExtendedOptionsPanel() {

                if (extendedOptionsPanel == null) {

                        extendedOptionsPanel = new JPanel();

                        extendedOptionsPanel.setLayout(null);

                        extendedOptionsPanel.setBounds(new java.awt.Rectangle(2, 226, 465,

                                        62));

                        extendedOptionsPanel

                                        .setBorder(javax.swing.BorderFactory

                                                        .createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));

                        extendedOptionsPanel.add(getTypePolygonBufferPanel(), null);

                        extendedOptionsPanel.add(getNumBuffersPanel(), null);

                }

                return extendedOptionsPanel;

        }

        /**

         * This method initializes typePolygonBufferPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getTypePolygonBufferPanel() {

                if (typePolygonBufferPanel == null) {

                        typeBufferLabel = new JLabel();

                        typeBufferLabel.setBounds(new java.awt.Rectangle(10, 3, 143, 18));

                        typeBufferLabel.setText(PluginServices

                                        .getText(this, "Crear_Buffer"));

                        typePolygonBufferPanel = new JPanel();

                        typePolygonBufferPanel.setLayout(null);

                        typePolygonBufferPanel.setBounds(new java.awt.Rectangle(8, 6, 449,

                                        24));

                        typePolygonBufferPanel.add(typeBufferLabel, null);

                        typePolygonBufferPanel.add(getTypeBufferComboBox(), null);

                }

                return typePolygonBufferPanel;

        }

        /**

         * This method initializes typeBufferComboBox

         *

         * @return javax.swing.JComboBox

         */

        private JComboBox getTypeBufferComboBox() {

                if (typeBufferComboBox == null) {

                        typeBufferComboBox = new JComboBox();

                        typeBufferComboBox

                                        .setBounds(new java.awt.Rectangle(167, 4, 270, 18));

                        typeBufferComboBox.addItem(BUFFER_INSIDE);

                        typeBufferComboBox.addItem(BUFFER_OUTSIDE);

                        typeBufferComboBox.addItem(BUFFER_INSIDE_OUTSIDE);

                        typeBufferComboBox.setSelectedItem(BUFFER_OUTSIDE);

                }

                return typeBufferComboBox;

        }

        /**

         * Returns the type of polygon byffer (inside, outside, inside and outside)

         * selected by user

         *

         * @return

         */

        public String getTypePolygonBuffer() {

                return (String) getTypeBufferComboBox().getSelectedItem();

        }

        /**

         * Allow to enable/disable typePolygonBufferPanel (and all its components).

         * The reason is that this customizations are only possible with polygon

         * layers.

         *

         * @param enable

         */

        public void enableTypePolygonBufferPanel(boolean enable) {

                getTypePolygonBufferPanel().setEnabled(enable);

                getTypeBufferComboBox().setEnabled(enable);

        }

        /**

         * This method initializes numBuffersPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getNumBuffersPanel() {

                if (numBuffersPanel == null) {

                        radialBufferLabel = new JLabel();

                        radialBufferLabel.setBounds(new java.awt.Rectangle(5, 3, 269, 19));

                        radialBufferLabel.setText(PluginServices.getText(this,

                                        "Numero_anillos_concentricos"));

                        numBuffersPanel = new JPanel();

                        numBuffersPanel.setLayout(null);

                        numBuffersPanel.setBounds(new java.awt.Rectangle(10, 35, 448, 24));

                        numBuffersPanel.add(radialBufferLabel, null);

                        numBuffersPanel.add(getRadialBufferSpinner(), null);

                }

                return numBuffersPanel;

        }

        /**

         * This method initializes radialBufferTextField

         *

         * @return javax.swing.JTextField

         */

        private JSpinner getRadialBufferSpinner() {

                if (radialBufferSpinner == null) {

                        Integer one = new Integer(1);

                        Integer two = new Integer(2);

                        Integer three = new Integer(3);

                        SpinnerListModel listModel = new SpinnerListModel(new Integer[] {

                                        one, two, three });

                        radialBufferSpinner = new JSpinner(listModel);

                        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);

                }

                return radialBufferSpinner;

        }

        /**

         * 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) radialBufferSpinner.getValue()).intValue();

        }

} // @jve:decl-index=0:visual-constraint="25,13"