Application: gvSIG desktop

package com.iver.cit.gvsig.gui.cad.panels;

import java.awt.BorderLayout;

import java.awt.Component;

import java.sql.Types;

import java.util.ArrayList;

import javax.swing.DefaultCellEditor;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

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 jwizardcomponent.JWizardComponents;

import jwizardcomponent.JWizardPanel;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.drivers.FieldDescription;

/**

 * @author fjp

 *

 * Panel para que el usuario seleccione el driver que va a utilizar para

 * crear un tema desde cero.

 *

 */

public class JPanelFieldDefinition extends JWizardPanel {

        private static final int MAX_FIELD_LENGTH = 254;

        private JLabel jLabel = null;

        private JScrollPane jScrollPane = null;

        private JTable jTable = null;

        private JPanel jPanelEast = null;

        private JButton jButtonAddField = null;

        private JButton jButtonDeleteField = null;

        public JPanelFieldDefinition(JWizardComponents wizardComponents) {

                super(wizardComponents, null);

                initialize();

                // TODO Auto-generated constructor stub

        }

        /* (non-Javadoc)

         * @see jwizardcomponent.JWizardPanel#next()

         */

        public void next() {

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

                boolean valid=true;

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

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

                                valid=validateFieldName(s);

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

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

                                if (type.equals("String") && length > MAX_FIELD_LENGTH) {

                                        JOptionPane.showMessageDialog(this, PluginServices.getText(this, "max_length_is") + ": " + MAX_FIELD_LENGTH+

                                                        "\n"+PluginServices.getText(this, "length_of_field")+ " '"+ s + "' " + PluginServices.getText(this, "will_be_truncated"));

                                        tm.setValueAt(String.valueOf(MAX_FIELD_LENGTH),i,2);

                                }

                }

                //ensure no field name is used more than once

                ArrayList fieldNames = new ArrayList();

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

                        if (fieldNames.contains(tm.getValueAt(i,0))) {

                                valid = false;

                                JOptionPane.showMessageDialog(this, PluginServices.getText(this, "two_or_more_fields_with_the_same_name"));

                                break;

                        }

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

                }

                if (valid)

                        super.next();

                if (!((FileBasedPanel)getWizardComponents().getWizardPanel(2)).getPath().equals(""))

                        setFinishButtonEnabled(true);

                else

                        setFinishButtonEnabled(false);

        }

        private boolean validateFieldName(String s) {

                boolean valid=true;

                if (s.indexOf(" ")!=-1) {

                        valid=false;

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),

                                        PluginServices.getText(this,"no_puede_continuar")+"\n"+

                                        PluginServices.getText(this,"field")+" : "+s+"\n"+

                                        PluginServices.getText(this,"contiene_espacios_en_blanco"));

                }

                return valid;

        }

        /**

         * This method initializes this

         *

         */

        private void initialize() {

        jLabel = new JLabel();

        jLabel.setText(PluginServices.getText(this,"define_fields"));

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

        this.setSize(new java.awt.Dimension(437,232));

        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(PluginServices.getText(this,"field"));

                        // TableColumn fieldTypeColumn = new TableColumn(1);

                        // fieldTypeColumn.setHeaderValue("Type");

                        // jTable.addColumn(fieldTypeColumn);

                        tm.addColumn(PluginServices.getText(this,"type"));

                        // MIRAR EL C?DIGO DEL BOT?N DE A?ADIR CAMPO PARA VER EL CellEditor con comboBox

                        /* TableColumn fieldLengthColumn = new TableColumn(2);

                        fieldLengthColumn.setHeaderValue("Length");

                        // fieldLengthColumn.setCellRenderer(new DefaultTableCellRenderer());

                        jTable.addColumn(fieldLengthColumn); */

                        tm.addColumn(PluginServices.getText(this,"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 {

                                    // int selectedRow = lsm.getMinSelectionIndex();

                                    //selectedRow is selected

                                        jButtonDeleteField.setEnabled(true);

                                }

                            }

                        });

                }

                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(100,100));

                        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(PluginServices.getText(this,"add_field"));

                        jButtonAddField.setBounds(new java.awt.Rectangle(7,5,85,23));

                        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 = PluginServices.getText(this, "new_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(PluginServices.getText(this,"delete_field"));

                        jButtonDeleteField.setBounds(new java.awt.Rectangle(7,33,85,23));

                        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--)

                                                tm.removeRow(selecteds[i]);

                                }

                        });

                }

                return jButtonDeleteField;

        }

        /**

         * Convierte lo que hay en la tabla en una definici?n de campos

         * adecuada para crear un LayerDefinition

         * @return

         */

        public FieldDescription[] getFieldsDescription() {

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

                FieldDescription[] fieldsDesc = new FieldDescription[tm.getRowCount()];

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

                {

                        fieldsDesc[i] = new FieldDescription();

                        fieldsDesc[i].setFieldName((String) tm.getValueAt(i,0));

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

                        if (strType.equals("String"))

                                fieldsDesc[i].setFieldType(Types.VARCHAR);

                        if (strType.equals("Double"))

                                fieldsDesc[i].setFieldType(Types.DOUBLE);

                        if (strType.equals("Integer"))

                                fieldsDesc[i].setFieldType(Types.INTEGER);

                        if (strType.equals("Boolean"))

                                fieldsDesc[i].setFieldType(Types.BOOLEAN);

                        if (strType.equals("Date"))

                                fieldsDesc[i].setFieldType(Types.DATE);

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

                        fieldsDesc[i].setFieldLength(fieldLength);

                        // TODO: HACERLO BIEN

                        if (strType.equals("Double"))

                                fieldsDesc[i].setFieldDecimalCount(5);

                }

                return fieldsDesc;

        }

}  //  @jve:decl-index=0:visual-constraint="10,10"