Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.project.documents.table.gui;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionListener;

import java.text.ParseException;

import java.util.ArrayList;

import java.util.List;

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.AbstractTableModel;

import javax.swing.table.TableColumn;

import javax.swing.table.TableModel;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.WindowInfo;

import org.gvsig.app.project.documents.table.TableOperations;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataTypes;

import org.gvsig.fmap.dal.exception.DataException;

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

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

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

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

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

import org.gvsig.i18n.Messages;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * To modify FeatureTypes from the interface.

 *

 * @author Vicente Caballero Navarro

 *

 */

public class FeatureTypeEditingPanel extends JPanel implements IWindow {

    private static final long serialVersionUID = -4284879326692474318L;

    private static final Logger logger = LoggerFactory

        .getLogger(FeatureTypeEditingPanel.class);

    WindowInfo windowInfo = null;

    private JLabel jLabel = null;

    private JScrollPane jScrollPane = null;

    private JTable jTableFields = null;

    private JButton jBtnNewField = null;

    private JButton jBtnDeleteField = null;

    private JButton jBtnRenameField = null;

    private JButton jBtnOK = null;

    private JButton jBtnCancel = null;

    private CreateNewAttributePanel panelNewField;

    private FeatureStore featureStore = null;

    private JPanel jPanelButtons = null;

    private EditableFeatureType editableType = null;

    private class MyTableModel extends AbstractTableModel {

        /**

                 *

                 */

        private static final long serialVersionUID = -2847526298987536118L;

        public MyTableModel() {

        }

        public int getColumnCount() {

            return 6;

        }

        public int getRowCount() {

            return editableType.size();

        }

        public Object getValueAt(int rowIndex, int columnIndex) {

            FeatureAttributeDescriptor myField = null;

            myField = (FeatureAttributeDescriptor) editableType.get(rowIndex);

            switch (columnIndex) {

            case 0:

                return myField.getName();

            case 1:

                return myField.getDataType().getName();

            case 2:

                return new Integer(myField.getSize());

            case 3:

                return new Integer(myField.getPrecision());

            case 4:

                return myField.getDefaultValue();

            case 5:

                if (myField.isComputed() && (myField.getFeatureAttributeEmulator() instanceof EmulatedFieldExpression)) {

                EmulatedFieldExpression code = (EmulatedFieldExpression) myField.getFeatureAttributeEmulator();

                    return code.getCode();

                } else if (myField.isComputed()) {

                    return PluginServices.getText(this, "_Virtual_field");

                } else {

                    return "";

                }

            }

            return null;

        }

        public Class<?> getColumnClass(int columnIndex) {

            return super.getColumnClass(columnIndex);

        }

        public String getColumnName(int column) {

            switch (column) {

            case 0:

                return PluginServices.getText(this, "field_name");

            case 1:

                return PluginServices.getText(this, "field_type");

            case 2:

                return PluginServices.getText(this, "field_length");

            case 3:

                return PluginServices.getText(this, "field_decimal_count");

            case 4:

                return PluginServices.getText(this, "field_default_value");

            case 5:

                return PluginServices.getText(this, "_Calculated");

            }

            return super.getColumnName(column);

        }

        public boolean isCellEditable(int rowIndex, int columnIndex) {

            return false;

        }

        public void setValueAt(Object aValue, int rowIndex, int columnIndex) {

            if (columnIndex == 0) {

                editableType.remove(rowIndex);

            }

            String name = "";

            int type = DataTypes.STRING;

            int size = 0;

            int precision = 0;

            switch (columnIndex) {

            case 0:

                name = (String) aValue;

                break;

            case 1:

                String strType = (String) aValue;

                if (strType.equals("String")) {

                    type = DataTypes.STRING;

                }

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

                    type = DataTypes.DOUBLE;

                    precision = 5;

                }

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

                    type = DataTypes.INT;

                }

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

                    type = DataTypes.BOOLEAN;

                }

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

                    type = DataTypes.DATE;

                }

                break;

            case 2:

                size = ((Integer) aValue).intValue();

                // TODO: HACERLO BIEN

                // if (ead.getDataType()==DataTypes.STRING) {

                // ead.setPrecision(5);

                // }

            }

            EditableFeatureAttributeDescriptor ead =

                editableType.add(name, type, size);

            ead.setPrecision(precision);

        }

    }

    /**

     * This method initializes

     *

     * @throws DataException

     *

     */

    public FeatureTypeEditingPanel(FeatureStore fs) throws DataException {

        super();

        this.featureStore = fs;

        this.editableType = fs.getDefaultFeatureType().getEditable();

        this.panelNewField = new CreateNewAttributePanel(this.featureStore);

        initialize();

        // Add a new row

        TableModel tm;

        tm = new MyTableModel();

        getJTableFields().setModel(tm);

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

        // (Por eso no

        // lo pongo en getJTable()

        TableColumn typeColumn = jTableFields.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));

    }

    /**

     * This method initializes this

     *

     */

    private void initialize() {

        FlowLayout flowLayout = new FlowLayout();

        flowLayout.setVgap(5);

        flowLayout.setHgap(0);

        BorderLayout borderLayout = new BorderLayout();

        borderLayout.setHgap(15);

        borderLayout.setVgap(15);

        jLabel = new JLabel();

        jLabel.setText(PluginServices.getText(this, "add_delete_edit_fields")

            + ": ");

        this.setLayout(borderLayout);

        this.setSize(new java.awt.Dimension(663, 404));

        this.setPreferredSize(new java.awt.Dimension(getWidth(), getHeight()));

        JPanel jPanelNorth = new JPanel(new FlowLayout(FlowLayout.LEFT));

        jPanelNorth.add(jLabel);

        this.add(jPanelNorth, BorderLayout.NORTH);

        JPanel jPanelCenter =

            new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 0));

        jPanelCenter.add(getJScrollPane());

        this.add(jPanelCenter, BorderLayout.CENTER);

        this.add(getJPanelButtons(), BorderLayout.EAST);

        JPanel jPanelSouth = new JPanel();

        jPanelSouth.setLayout(flowLayout);

        jPanelSouth.add(getJBtnOK(), null);

        jPanelSouth.add(getJBtnCancel(), null);

        this.add(jPanelSouth, BorderLayout.SOUTH);

    }

    public WindowInfo getWindowInfo() {

        if (windowInfo == null) {

            windowInfo =

                new WindowInfo(WindowInfo.MODALDIALOG | WindowInfo.PALETTE

                    | WindowInfo.RESIZABLE);

            windowInfo.setTitle(PluginServices.getText(this, "field_manager"));

            windowInfo.setHeight(this.getHeight());

            windowInfo.setWidth(this.getWidth());

        }

        return windowInfo;

    }

    // /**

    // * 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) jTableFields.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;

    // }

    /**

     * This method initializes jScrollPane

     *

     * @return javax.swing.JScrollPane

     */

    private JScrollPane getJScrollPane() {

        if (jScrollPane == null) {

            jScrollPane = new JScrollPane();

            jScrollPane.setPreferredSize(new java.awt.Dimension(482, 350));

            jScrollPane.setViewportView(getJTableFields());

        }

        return jScrollPane;

    }

    /**

     * This method initializes jTableFields

     *

     * @return javax.swing.JTable

     */

    private JTable getJTableFields() {

        if (jTableFields == null) {

            jTableFields = new JTable();

            jTableFields

                .setSelectionMode(javax.swing.ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

            jTableFields.setColumnSelectionAllowed(false);

            // Ask to be notified of selection changes.

            ListSelectionModel rowSM = jTableFields.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

                        jBtnDeleteField.setEnabled(false);

                    } else {

                        jBtnDeleteField.setEnabled(true);

                    }

                    if (jTableFields.getSelectedRows().length != 1) {

                        getJBtnRenameField().setEnabled(false);

                    } else {

                        getJBtnRenameField().setEnabled(true);

                    }

                }

            });

        }

        return jTableFields;

    }

    /**

     * This method initializes jBtnNewField

     *

     * @return javax.swing.JButton

     */

    private JButton getJBtnNewField() {

        if (jBtnNewField == null) {

            jBtnNewField =

                ToolsSwingLocator.getUsabilitySwingManager().createJButton();

            jBtnNewField.setText(PluginServices.getText(this, "new_field"));

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

                private List<String> tempFieldNames = new ArrayList<String>();

                {

                    try {

                        int size = editableType.size();

                        for (int i = 0; i < size; i++) {

                            FeatureAttributeDescriptor ad =

                                (FeatureAttributeDescriptor) editableType

                                    .get(i);

                            tempFieldNames.add(ad.getName());

                        }

                    } catch (Exception ex) {

                        logger.warn("Can't initialize tempFieldNames", ex);

                    }

                }

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

                    ActionListener okAction;

                    DataManager dataManager = DALLocator.getDataManager();

                    FeatureStoreProviderFactory factory =

                            (FeatureStoreProviderFactory) dataManager.

                            getStoreProviderFactory(featureStore.getProviderName());

                    panelNewField.setMaxAttributeNameSize(factory.getMaxAttributeNameSize());

                    okAction = new java.awt.event.ActionListener() {

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

                            try {

                                EditableFeatureAttributeDescriptor ead =

                                    panelNewField

                                        .loadFieldDescription(editableType);

                                if (ead == null) {

                                    return;

                                }

                                if (ead.getType() == DataTypes.STRING

                                    && ead.getSize() > TableOperations.MAX_FIELD_LENGTH) {

                                    NotificationManager.showMessageInfo(

                                        PluginServices.getText(this,

                                            "max_length_is")

                                            + ":"

                                            + TableOperations.MAX_FIELD_LENGTH,

                                        null);

                                    ead.setSize(TableOperations.MAX_FIELD_LENGTH);

                                }

                                tempFieldNames.add(ead.getName());

                                jTableFields.revalidate();

                                PluginServices.getMDIManager().closeWindow(

                                    panelNewField);

                            } catch (ParseException e2) {

                                NotificationManager.addError(e2);

                            }

                        }

                    };

                    panelNewField.setOkAction(okAction);

                    String[] names =

                        (String[]) tempFieldNames.toArray(new String[0]);

                    panelNewField.setCurrentFieldNames(names);

                    panelNewField =

                        (CreateNewAttributePanel) PluginServices

                            .getMDIManager().addWindow(panelNewField);

                }

            });

        }

        return jBtnNewField;

    }

    /**

     * This method initializes jButton

     *

     * @return javax.swing.JButton

     */

    private JButton getJBtnDelete() {

        if (jBtnDeleteField == null) {

            jBtnDeleteField =

                ToolsSwingLocator.getUsabilitySwingManager().createJButton();

            jBtnDeleteField.setText(PluginServices

                .getText(this, "delete_field"));

            jBtnDeleteField

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

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

                        int[] selecteds = jTableFields.getSelectedRows();

                        TableModel tm = jTableFields.getModel();

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

                            String fieldName =

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

                            String old_geom_fld = editableType.getDefaultGeometryAttributeName();

                            if (old_geom_fld.compareTo(fieldName) == 0) {

                                JOptionPane.showMessageDialog(

                                    jTableFields,

                                    Messages.getText("_Cannot_delete_geometry_field"),

                                    Messages.getText("_Remove_column"),

                                    JOptionPane.WARNING_MESSAGE);

                                continue;

                            }

                            editableType.remove(fieldName);

                        }

                        jTableFields.getSelectionModel().clearSelection();

                        jTableFields.revalidate();

                    }

                });

        }

        return jBtnDeleteField;

    }

    /**

     * This method initializes jBtnRenameField

     *

     * @return javax.swing.JButton

     */

    private JButton getJBtnRenameField() {

        if (jBtnRenameField == null) {

            jBtnRenameField =

                ToolsSwingLocator.getUsabilitySwingManager().createJButton();

            jBtnRenameField.setText(PluginServices

                .getText(this, "rename_field"));

            jBtnRenameField

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

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

                        int[] selecteds = jTableFields.getSelectedRows();

                        TableModel tm = jTableFields.getModel();

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

                            String fieldName =

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

                            String old_geom_fld = editableType.getDefaultGeometryAttributeName();

                            /*

                             * old_geom_fld is null if we are dealing with

                             * table (no geometry column)

                             */

                            if (old_geom_fld != null && old_geom_fld.compareTo(fieldName) == 0) {

                                JOptionPane.showMessageDialog(

                                    jTableFields,

                                    Messages.getText("_Cannot_rename_geometry_field"),

                                    Messages.getText("_Rename_column"),

                                    JOptionPane.WARNING_MESSAGE);

                                continue;

                            }

                            String newName =

                                JOptionPane.showInputDialog(

                                    (Component) PluginServices.getMDIManager()

                                        .getActiveWindow(), PluginServices

                                        .getText(this, "_Please_insert_new_field_name"),

                                    fieldName);

                            if (newName == null) {

                                continue;

                            }

                            if (newName.length() == 0)  {

                                JOptionPane.showMessageDialog(

                                        jTableFields,

                                        Messages.getText("_No_input_name"),

                                        Messages.getText("_Rename_column"),

                                        JOptionPane.ERROR_MESSAGE);

                                continue;

                            }

                            //In case there is a field length limit, it is validated

                            DataManager dataManager = DALLocator.getDataManager();

                            FeatureStoreProviderFactory factory =

                                (FeatureStoreProviderFactory) dataManager.

                                getStoreProviderFactory(featureStore.getProviderName());

                            if (factory.getMaxAttributeNameSize()>0){

                                if (newName.length()>factory.getMaxAttributeNameSize()){

                                    JOptionPane.showMessageDialog(

                                        jTableFields,

                                        Messages.getText("_Name_too_long"),

                                        Messages.getText("_Rename_column"),

                                        JOptionPane.ERROR_MESSAGE);

                                continue;

                                }

                            }

                            if (editableType.getIndex(newName) != -1) {

                                NotificationManager.showMessageInfo(

                                    PluginServices.getText(this,

                                        "field_already_exists"), null);

                                continue;

                            }

                            try {

                                EditableFeatureAttributeDescriptor efad =

                                    (EditableFeatureAttributeDescriptor)

                                    editableType.getAttributeDescriptor(fieldName);

                                efad.setName(newName);

                            } catch (Exception de) {

                                JOptionPane.showMessageDialog(

                                    jTableFields,

                                    Messages.getText("_Unable_to_rename_field")

                                    + ": " + de.getMessage(),

                                    Messages.getText("_Rename_column"),

                                    JOptionPane.ERROR_MESSAGE);

                            }

                        }

                        jTableFields.repaint();

                    }

                });

        }

        return jBtnRenameField;

    }

    /**

     * This method initializes jBtnOK

     *

     * @return javax.swing.JButton

     */

    private JButton getJBtnOK() {

        if (jBtnOK == null) {

            jBtnOK =

                ToolsSwingLocator.getUsabilitySwingManager().createJButton();

            jBtnOK.setText(PluginServices.getText(this, "aceptar"));

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

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

                    try {

                        featureStore.update(editableType);

                    } catch (DataException e1) {

                        NotificationManager.showMessageError(PluginServices

                            .getText(this, "update_featuretype_error"), e1);

                    }

                    PluginServices.getMDIManager().closeWindow(

                        FeatureTypeEditingPanel.this);

                }

            });

        }

        return jBtnOK;

    }

    /**

     * This method initializes jButton

     *

     * @return javax.swing.JButton

     */

    private JButton getJBtnCancel() {

        if (jBtnCancel == null) {

            jBtnCancel =

                ToolsSwingLocator.getUsabilitySwingManager().createJButton();

            jBtnCancel.setText(PluginServices.getText(this, "cancelar"));

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

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

                    PluginServices.getMDIManager().closeWindow(

                        FeatureTypeEditingPanel.this);

                }

            });

            // jBtnCancel.setVisible(false);

        }

        return jBtnCancel;

    }

    /**

     * This method initializes jPanelButtons

     *

     * @return javax.swing.JPanel

     */

    private JPanel getJPanelButtons() {

        if (jPanelButtons == null) {

            jPanelButtons = new JPanel();

            JPanel aux = new JPanel(new GridLayout(3, 1));

            aux.add(getJBtnNewField());

            aux.add(getJBtnRenameField());

            aux.add(getJBtnDelete());

            jPanelButtons.add(aux, BorderLayout.NORTH);

        }

        return jPanelButtons;

    }

    public Object getWindowProfile() {

        return WindowInfo.DIALOG_PROFILE;

    }

}