Application: gvSIG desktop

/*

 * Created on 14-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.impl.dissolve.gui;

import java.awt.Component;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Map;

import java.util.Set;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

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

import com.iver.andami.PluginServices;

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

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

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.SummarizationFunction;

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

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

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

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

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

import com.iver.cit.gvsig.geoprocess.core.gui.NumericFieldListModel.NumericFieldListEntry;

import com.iver.utiles.GenericFileFilter;

/**

 * Panel to work with DissolveGeoprocess in Geoprocessing Wizard.

 * 

 * Precondition: all inputs layer of constructor must be FLyrVect

 * 

 * @author azabala

 * 

 */

public class GeoProcessingDissolvePanel extends AbstractGeoprocessPanel implements

                DissolvePanelIF, IWindow {

        private static final long serialVersionUID = 1L;

        private JLabel titleJLabel = null;

        private JLabel inputCoverJLabel = null;

        /**

         * Allows user to specify if a dissolve precondition

         * in two polygons with the same dissolve field value must

         * be spatial adjacency

         */

        private JCheckBox onlySelectedItemsJCheckBox = null;

        private JLabel dissolveFieldJLabel = null;

        /**

         * Allows user to specify dissolve field

         */

        private JComboBox dissolveFieldJComboBox = null;

        private JScrollPane additionalOperationsJScrollPane = null;

        private JList numericFieldJList = null;

        private JButton outputCoverJButton = null;

        private File outputFile = null;

        private JScrollPane sumarizationFunctionScrollPane = null;

        private JList sumarizeFunctionsJList;

        private JButton sumFunctionSelectionJButton = null;

        private SumarizeFunctionsDialog sumarizeFuncDialog = null;

        /**

         * Relates a numeric field with its sumarize functions

         */

        private Map nField_sumFuntionList = null;

        private WindowInfo viewInfo;

        private JPanel resultLayerPanel = null;

        private JLabel jLabel = null;

        private JPanel sumarizeAttributesPanel = null;

        private JLabel jLabel1 = null;

        private JLabel jLabel2 = null;

        private JCheckBox adjacencyCheckbox = null;

        /**

         * This constructor initializes the set of layers

         * 

         * TODO PRECONDITION: check for only FLyrVect layers

         * 

         * 

         */

        public GeoProcessingDissolvePanel(FLayers layers) {

                super();

                this.layers = layers;

                initialize();

        }

        /**

         * This method initializes this

         * 

         * @return void

         */

        private void initialize() {

                dissolveFieldJLabel = new JLabel();

                dissolveFieldJLabel.setBounds(5, 93, 180, 22);

                dissolveFieldJLabel.setText(PluginServices.getText(this,

                                "Campo_para_disolver")

                                + ":");

                inputCoverJLabel = new JLabel();

                inputCoverJLabel.setBounds(5, 36, 191, 22);

                inputCoverJLabel.setText(PluginServices.getText(this,

                                "Cobertura_de_entrada")

                                + ":");

                titleJLabel = new JLabel();

                titleJLabel.setBounds(5, 5, 208, 22);

                titleJLabel.setText(PluginServices.getText(this,

                                "Disolver._Introduccion_de_datos")

                                + ":");

                this.setLayout(null);

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

                this.add(titleJLabel, null);

                this.add(inputCoverJLabel, null);

                this.add(getInputCoverJComboBox(), null);

                this.add(getOnlySelectedItemsJCheckBox(), null);

                this.add(dissolveFieldJLabel, null);

                this.add(getDissolveFieldJComboBox(), null);

                this.add(getResultLayerPanel(), null);

                this.add(getSumarizeAttributesPanel(), null);

                this.add(getAdjacencyCheckbox(), null);

                this.nField_sumFuntionList = new HashMap();

                layersComboBox.setSelectedIndex(0);

                inputLayerSelectedChange();

                // initSelectedItemsJCheckBox();

        }

        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;

        }

        /**

         * Says if adjacency checkbox has been checked by

         * user

         * @return

         */

        public boolean onlyAdjacentSelected(){

                return adjacencyCheckbox.isSelected();

        }

        private void initSelectedItemsJCheckBox() {

                FLyrVect inputSelectable = (FLyrVect) getInputLayer();

                FBitSet fBitSet = null;

                try {

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

                } catch (DriverException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

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

                        onlySelectedItemsJCheckBox.setEnabled(false);

                } else {

                        onlySelectedItemsJCheckBox.setEnabled(true);

                }

                onlySelectedItemsJCheckBox.setSelected(false);

        }

        /**

         * This method initializes inputCoverJComboBox

         * 

         * @return javax.swing.JComboBox

         */

        private JComboBox getInputCoverJComboBox() {

                if (layersComboBox == null) {

                        layersComboBox = new JComboBox();

                        DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                        getLayerNames());

                        layersComboBox.setModel(defaultModel);

                        layersComboBox.setBounds(144, 36, 241, 22);

                        layersComboBox

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

                                                public void itemStateChanged(java.awt.event.ItemEvent e) {

                                                        inputLayerSelectedChange();

                                                }

                                        });

                }

                return layersComboBox;

        }

        /**

         * This method initializes onlySelectedItemsJCheckBox

         * 

         * @return javax.swing.JCheckBox

         */

        private JCheckBox getOnlySelectedItemsJCheckBox() {

                if (onlySelectedItemsJCheckBox == null) {

                        onlySelectedItemsJCheckBox = new JCheckBox();

                        onlySelectedItemsJCheckBox.setBounds(5, 64, 351, 22);

                        onlySelectedItemsJCheckBox.setText(PluginServices.getText(this,

                                        "Usar_solamente_los_elementos_seleccionados"));

                }

                return onlySelectedItemsJCheckBox;

        }

        /**

         * This method initializes dissolveFieldJComboBox

         * 

         * @return javax.swing.JComboBox

         */

        private JComboBox getDissolveFieldJComboBox() {

                if (dissolveFieldJComboBox == null) {

                        dissolveFieldJComboBox = new JComboBox();

                        DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                        getFieldNames());

                        dissolveFieldJComboBox.setModel(defaultModel);

                        dissolveFieldJComboBox.setBounds(227, 93, 241, 22);

                }

                return dissolveFieldJComboBox;

        }

        /**

         * This method initializes additionalOperationsJScrollPane

         * 

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getAdditionalOperationsJScrollPane() {

                if (additionalOperationsJScrollPane == null) {

                        additionalOperationsJScrollPane = new JScrollPane();

                        additionalOperationsJScrollPane

                                        .setViewportView(getNumericFieldJList());

                        additionalOperationsJScrollPane.setEnabled(false);

                        additionalOperationsJScrollPane.setBounds(new java.awt.Rectangle(14,36,139,112));

                }

                return additionalOperationsJScrollPane;

        }

        /**

         * This method initializes numericFieldJList

         * 

         * @return javax.swing.JList

         */

        private JList getNumericFieldJList() {

                if (numericFieldJList == null) {

                        numericFieldJList = new JList();

                }

                return numericFieldJList;

        }

        /**

         * This method initializes outputCoverJButton

         * 

         * @return javax.swing.JButton

         */

        private JButton getOutputCoverJButton() {

                if (outputCoverJButton == null) {

                        outputCoverJButton = new JButton();

                        outputCoverJButton

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

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

                                                        openResultFile();

                                                }

                                        });

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

                }

                return outputCoverJButton;

        }

        public void openResultFile() {

                // FIXME This code is similar in all GeoProcessingXXXPanels.

                // Create an utility class

                JFileChooser jfc = new JFileChooser();

                // FIXME Internationalize "Ficheros SHP" String

                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");

                        }

                        outputFile = file;

                }

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

                        getFileNameResultTextField().setText(

                                        jfc.getSelectedFile().getAbsolutePath());

                }

        }

        public boolean isDissolveOnlySelected() {

                return onlySelectedItemsJCheckBox.isSelected();

        }

        public String getDissolveFieldName() {

                return (String) dissolveFieldJComboBox.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;

        }

        /**

         * This method initializes sumarizationFunctionScrollPane

         * 

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getSumarizationFunctionScrollPane() {

                if (sumarizationFunctionScrollPane == null) {

                        sumarizationFunctionScrollPane = new JScrollPane();

                        sumarizationFunctionScrollPane.setBounds(new java.awt.Rectangle(314,36,139,112));

                        sumarizationFunctionScrollPane

                                        .setViewportView(getSumarizeFunctionsJList());

                }

                return sumarizationFunctionScrollPane;

        }

        /**

         * Returns a list with SumarizationFunctions for each numerical field of

         * field lists (in the same order).

         * 

         * @return

         */

        private JList getSumarizeFunctionsJList() {

                if (sumarizeFunctionsJList == null) {

                        sumarizeFunctionsJList = new JList();

                }

                return sumarizeFunctionsJList;

        }

        /**

         * This method initializes sumFunctionSelectionJButton

         * 

         * @return javax.swing.JButton

         */

        private JButton getSumFunctionSelectionJButton() {

                if (sumFunctionSelectionJButton == null) {

                        sumFunctionSelectionJButton = new JButton();

                        sumFunctionSelectionJButton.setText(PluginServices.getText(this,

                                        "Escoger_Fun_Resumen"));

                        sumFunctionSelectionJButton.setBounds(new java.awt.Rectangle(171,69,116,22));

                        sumFunctionSelectionJButton.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent arg0) {

                                        openSumarizeFunction();

                                }

                        });

                }

                return sumFunctionSelectionJButton;

        }

        /**

         * Process change selection events of input layer combo box

         */

        public void inputLayerSelectedChange() {

                // Cambiar el estado del CheckBox

                initSelectedItemsJCheckBox();

                // Cambiar el estado del jComboBox1

                DefaultComboBoxModel defaultModel = new DefaultComboBoxModel(

                                getFieldNames());

                dissolveFieldJComboBox.setModel(defaultModel);

                String[] numericFields = getInputLayerNumericFields();

                NumericFieldListModel numericListModel = new NumericFieldListModel(

                                numericFields);

                this.numericFieldJList.setModel(numericListModel);

                this.nField_sumFuntionList = new HashMap();

                SumFuncListModel functionListModel = new SumFuncListModel(

                                this.nField_sumFuntionList, numericFields);

                this.sumarizeFunctionsJList.setModel(functionListModel);

                this.sumarizeFunctionsJList.setSelectedIndex(0);

        }

        public void openSumarizeFunction() {

                if (sumarizeFuncDialog == null) {

                        sumarizeFuncDialog = new SumarizeFunctionsDialog();

                        sumarizeFuncDialog.pack();

                }

                sumarizeFuncDialog.setSize(205, 181);

                sumarizeFuncDialog.resetCheckbox();

                sumarizeFuncDialog.setVisible(true);

                SummarizationFunction[] functions = sumarizeFuncDialog.getFunctions();

                NumericFieldListEntry fieldName = (NumericFieldListEntry) this.numericFieldJList.getSelectedValue();

                if(fieldName.getKey() != null  ){

                        if(!fieldName.getKey().equals(""))

                                        nField_sumFuntionList.put(fieldName.getKey(), functions);

            }

                this.nField_sumFuntionList.put(fieldName.getKey(), functions);

                // Hay que refrescar la lista y el listModel

                String[] numericFields = getInputLayerNumericFields();

                SumFuncListModel functionListModel = new SumFuncListModel(

                                this.nField_sumFuntionList, numericFields);

                this.sumarizeFunctionsJList.setModel(functionListModel);

                this.sumarizeFunctionsJList.setSelectedIndex(0);

        }

        public String[] getFieldsToSummarize() {

                String[] solution = null;

                Set keySet = nField_sumFuntionList.keySet();

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

                keySet.toArray(solution);

                return solution;

        }

        public Map getFieldFunctionMap() {

                return this.nField_sumFuntionList;

        }

        public SummarizationFunction[] getSumarizationFunctinFor(

                        String numericFieldName) {

                return (SummarizationFunction[]) nField_sumFuntionList

                                .get(numericFieldName);

        }

        public WindowInfo getWindowInfo() {

                if (viewInfo == null) {

                        viewInfo = new WindowInfo(WindowInfo.MODALDIALOG);

                        viewInfo.setTitle(PluginServices.getText(this,

                                        "Disolver"));

                }

                return viewInfo;

        }

        /**

         * This method initializes resultLayerPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getResultLayerPanel() {

                if (resultLayerPanel == null) {

                        GridBagConstraints gridBagConstraints3 = new GridBagConstraints();

                        gridBagConstraints3.insets = new java.awt.Insets(14,3,9,4);

                        gridBagConstraints3.gridy = 0;

                        gridBagConstraints3.ipadx = 47;

                        gridBagConstraints3.ipady = 6;

                        gridBagConstraints3.gridx = 0;

                        GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

                        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;

                        gridBagConstraints2.gridx = 1;

                        gridBagConstraints2.gridy = 0;

                        gridBagConstraints2.ipadx = 173;

                        gridBagConstraints2.ipady = 2;

                        gridBagConstraints2.weightx = 1.0;

                        gridBagConstraints2.insets = new java.awt.Insets(14,4,9,7);

                        GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

                        gridBagConstraints1.insets = new java.awt.Insets(14,7,9,21);

                        gridBagConstraints1.gridy = 0;

                        gridBagConstraints1.ipadx = 11;

                        gridBagConstraints1.ipady = -4;

                        gridBagConstraints1.gridx = 2;

                        jLabel = new JLabel();

                        jLabel.setText(PluginServices.getText(this, "Cobertura_de_salida") + ":");

                        resultLayerPanel = new JPanel();

                        resultLayerPanel.setLayout(new GridBagLayout());

                        resultLayerPanel.setBounds(new java.awt.Rectangle(4,296,465,45));

                        resultLayerPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));

                        resultLayerPanel.add(getOutputCoverJButton(), gridBagConstraints1);

                        resultLayerPanel.add(getFileNameResultTextField(), gridBagConstraints2);

                        resultLayerPanel.add(jLabel, gridBagConstraints3);

                }

                return resultLayerPanel;

        }

        /**

         * This method initializes sumarizeAttributesPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getSumarizeAttributesPanel() {

                if (sumarizeAttributesPanel == null) {

                        jLabel2 = new JLabel();

                        jLabel2.setText(PluginServices.getText(this, "Funciones_Sumarizacion"));

                        jLabel2.setBounds(new java.awt.Rectangle(294,9,159,18));

                        jLabel1 = new JLabel();

                        jLabel1.setText(PluginServices.getText(this, "Atributos_Numericos"));

                        jLabel1.setBounds(new java.awt.Rectangle(13,9,171,18));

                        sumarizeAttributesPanel = new JPanel();

                        sumarizeAttributesPanel.setLayout(null);

                        sumarizeAttributesPanel.setBounds(new java.awt.Rectangle(5,142,465,151));

                        sumarizeAttributesPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder(javax.swing.border.EtchedBorder.RAISED));

                        sumarizeAttributesPanel.add(getAdditionalOperationsJScrollPane(), null);

                        sumarizeAttributesPanel.add(getSumFunctionSelectionJButton(), null);

                        sumarizeAttributesPanel.add(getSumarizationFunctionScrollPane(), null);

                        sumarizeAttributesPanel.add(jLabel1, null);

                        sumarizeAttributesPanel.add(jLabel2, null);

                }

                return sumarizeAttributesPanel;

        }

        /**

         * This method initializes adjacencyCheckbox        

         *         

         * @return javax.swing.JCheckBox        

         */

        private JCheckBox getAdjacencyCheckbox() {

                if (adjacencyCheckbox == null) {

                        adjacencyCheckbox = new JCheckBox();

                        adjacencyCheckbox.setBounds(new java.awt.Rectangle(7,121,263,18));

                        adjacencyCheckbox.setText(PluginServices.getText(this, "Solo_disolver_adyacentes"));

                }

                return adjacencyCheckbox;

        }

}  //  @jve:decl-index=0:visual-constraint="13,12"