| gvSIG desktop 1

package org.gvsig.newlayer.impl;

import java.awt.BorderLayout;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.swing.DefaultCellEditor;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.ListSelectionModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableColumn;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.EditableFeatureType;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.gui.beans.wizard.panel.NotContinueWizardException;

import org.gvsig.gui.beans.wizard.panel.OptionPanel;

import org.gvsig.i18n.Messages;

import org.gvsig.newlayer.NewLayerWizard;

import org.gvsig.tools.dataTypes.DataTypes;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class FeatureTypePanel extends JPanel implements OptionPanel{

        /**

         * 

         */

        private static final long serialVersionUID = 263541873998597624L;

        private NewLayerWizard wizard;

        private static final  Logger logger = LoggerFactory.getLogger(FeatureTypePanel.class);

        private JLabel jLabel = null;

        private JScrollPane jScrollPane = null;

        protected JTable jTable = null;

        private JPanel jPanelEast = null;

        private JButton jButtonAddField = null;

        private JButton jButtonDeleteField = null;

        protected int MAX_FIELD_LENGTH = 254;

        private List removedFields;

        private DataServerExplorer explorer = null;

        public FeatureTypePanel(NewLayerWizard wizard){

                this.wizard = wizard;

                removedFields = new ArrayList<String>();

        }

    private void initializeComponents() {

        jLabel = new JLabel();

        jLabel.setText(Messages.getText("define_fields"));

        this.setLayout(new BorderLayout(5,5));

        this.setSize(new java.awt.Dimension(499,232));

        this.add(jLabel, java.awt.BorderLayout.NORTH);

        this.add(getJScrollPane(), java.awt.BorderLayout.CENTER);

        this.add(getJPanelEast(), java.awt.BorderLayout.EAST);

    }

        /**

         * This method initializes jScrollPane

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane() {

                if (jScrollPane == null) {

                        jScrollPane = new JScrollPane();

                        jScrollPane.setViewportView(getJTable());

                }

                return jScrollPane;

        }

        /**

         * This method initializes jTable

         *

         * @return javax.swing.JTable

         */

        private JTable getJTable() {

                if (jTable == null) {

                        jTable = new JTable();

                        DefaultTableModel tm = (DefaultTableModel) jTable.getModel();

                        tm.addColumn(Messages.getText("field"));

                        tm.addColumn(Messages.getText("type"));

                        tm.addColumn(Messages.getText("length"));

//                        Ask to be notified of selection changes.

                        ListSelectionModel rowSM = jTable.getSelectionModel();

                        rowSM.addListSelectionListener(new ListSelectionListener() {

                            public void valueChanged(ListSelectionEvent e) {

                                //Ignore extra messages.

                                if (e.getValueIsAdjusting()) return;

                                ListSelectionModel lsm =

                                    (ListSelectionModel)e.getSource();

                                if (lsm.isSelectionEmpty()) {

                                    //no rows are selected

                                        jButtonDeleteField.setEnabled(false);

                                } else {

                                        jButtonDeleteField.setEnabled(true);

                                }

                            }

                        });

                        jTable.getColumn(Messages.getText("field")).setWidth(180);

                        //Rellenado de la tabla

                        EditableFeatureType featureType = this.wizard.getService().getFeatureType();

                        if( featureType != null ){

                                int row = 0;

                                int column = 0;

                                Iterator it = featureType.iterator();

                                while (it.hasNext()) {

                                        FeatureAttributeDescriptor descriptor = (FeatureAttributeDescriptor) it.next();

                                        tm.setValueAt(descriptor.getName(), row, 0);

                                        tm.setValueAt(descriptor.getType(), row, 1);

                                        tm.setValueAt(descriptor.getSize(), row, 2);

                                }

                        }

                }

                return jTable;

        }

        /**

         * This method initializes jPanelWest

         *

         * @return javax.swing.JPanel

         */

        private JPanel getJPanelEast() {

                if (jPanelEast == null) {

                        jPanelEast = new JPanel();

                        jPanelEast.setLayout(null);

                        jPanelEast.setPreferredSize(new java.awt.Dimension(170,100));

                        jPanelEast.add(getJButtonAddField(), null);

                        jPanelEast.add(getJButtonDeleteField(), null);

                }

                return jPanelEast;

        }

        /**

         * This method initializes jButtonAddField

         *

         * @return javax.swing.JButton

         */

        private JButton getJButtonAddField() {

                if (jButtonAddField == null) {

                        jButtonAddField = new JButton();

                        jButtonAddField.setText(Messages.getText("add_field"));

                        jButtonAddField.setLocation(new java.awt.Point(7,5));

                        jButtonAddField.setSize(new java.awt.Dimension(145,23));

                        jButtonAddField.setPreferredSize(new java.awt.Dimension(100,26));

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

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

                                        DefaultTableModel tm = (DefaultTableModel) jTable.getModel();

                                        // Figure out a suitable field name

                                        ArrayList fieldNames = new ArrayList();

                                        for (int i = 0; i < jTable.getRowCount(); i++) {

                                                fieldNames.add(tm.getValueAt(i, 0));

                                        }

                                        String[] currentFieldNames = (String[]) fieldNames.toArray(new String[0]);

                                        String newField = Messages.getText("field").replaceAll(" +", "_");

                                        int index=0;

                                        for (int i = 0; i < currentFieldNames.length; i++) {

                                                if (currentFieldNames[i].startsWith(newField)) {

                                                        try {

                                                                index = Integer.parseInt(currentFieldNames[i].replaceAll(newField,""));

                                                        } catch (Exception ex) { /* we don't care */}

                                                }

                                        }

                                        String newFieldName = newField+(++index);

                                        // Add a new row

                                        Object[] newRow = new Object[tm.getColumnCount()];

                                        newRow[0] = newFieldName;

                                        newRow[1] = "String";

                                        newRow[2] = "20";

                                        tm.addRow(newRow);

                                        // Esto lo a?ado aqu? porque si no tiene registros, no hace caso. (Por eso no

                                        // lo pongo en getJTable()

                                        TableColumn typeColumn = jTable.getColumnModel().getColumn(1);

                                        JComboBox comboBox = new JComboBox();

                                        comboBox.addItem("Boolean");

                                        comboBox.addItem("Date");

                                        comboBox.addItem("Integer");

                                        comboBox.addItem("Double");

                                        comboBox.addItem("String");

                                        typeColumn.setCellEditor(new DefaultCellEditor(comboBox));

                                        TableColumn widthColumn = jTable.getColumnModel().getColumn(2);

                                        // tm.setValueAt("NewField", tm.getRowCount()-1, 0);

                                }

                        });

                }

                return jButtonAddField;

        }

        /**

         * This method initializes jButton

         *

         * @return javax.swing.JButton

         */

        private JButton getJButtonDeleteField() {

                if (jButtonDeleteField == null) {

                        jButtonDeleteField = new JButton();

                        jButtonDeleteField.setText(Messages.getText("delete_field"));

                        jButtonDeleteField.setLocation(new java.awt.Point(7,33));

                        jButtonDeleteField.setSize(new java.awt.Dimension(145,23));

                        jButtonDeleteField.setEnabled(false);

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

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

                                        int[] selecteds = jTable.getSelectedRows();

                                        DefaultTableModel tm = (DefaultTableModel) jTable.getModel();

                                        for (int i=selecteds.length-1; i >=0; i--){

                                                removedFields.add((String) tm.getValueAt(i,0));

                                                tm.removeRow(selecteds[i]);

                                        }

                                }

                        });

                }

                return jButtonDeleteField;

        }

        public String getPanelTitle() {

                return Messages.getText("fields_definitions");

        }

        public void nextPanel() throws NotContinueWizardException {

                fillFeatureType();

        }

        private void fillFeatureType() {

                /* 

                 * Coge los datos del formulario y los guarda en

                 * this.service.getFeatureType()

                 */

                EditableFeatureType featureType = this.wizard.getService().getFeatureType();

                for (Iterator iterator = removedFields.iterator(); iterator.hasNext();) {

                        String name = (String) iterator.next();

                        featureType.remove(name);

                }

                removedFields.clear();

                DefaultTableModel tm = (DefaultTableModel) jTable.getModel();

                for (int i=0; i < tm.getRowCount(); i++)

                {

                        int dataType=0;

                        String strType = (String) tm.getValueAt(i,1);

                        if (strType.equals("String"))

                                dataType=DataTypes.STRING;

                        else if (strType.equals("Double"))

                                dataType=DataTypes.DOUBLE;

                        else if (strType.equals("Integer"))

                                dataType=DataTypes.INT;

                        else if (strType.equals("Boolean"))

                                dataType=DataTypes.BOOLEAN;

                        else if (strType.equals("Date"))

                                dataType=DataTypes.DATE;

                        int fieldLength = Integer.parseInt((String) tm.getValueAt(i,2));

                        // TODO: HACERLO BIEN

                        if (strType.equals("Double"))

                                fieldLength=5;

                        //FIXME: Arreglar lo que pasa si en el siguiente panel volvemos hacia atras, y en este volvemos a ir hacia adelante

                        String fieldName = (String) tm.getValueAt(i,0);

                        EditableFeatureAttributeDescriptor attrDescriptor = (EditableFeatureAttributeDescriptor) featureType.getAttributeDescriptor(fieldName);

                        if (attrDescriptor != null) {

                                featureType.remove(attrDescriptor);

                        }

                        EditableFeatureAttributeDescriptor efad1 = featureType.add((String) tm.getValueAt(i,0), dataType, fieldLength);

                }

        }

        public void lastPanel() {

                // TODO Auto-generated method stub

                logger.info("FeatureTypePanel: lastPanel");

        }

        public void updatePanel() {

                initializeComponents();

        }

        public JPanel getJPanel() {

                return this;

        }

}