Application: gvSIG desktop

/* 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;

import java.awt.Component;

import java.awt.HeadlessException;

import javax.swing.JOptionPane;

import com.hardcode.driverManager.Driver;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

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

import com.iver.cit.gvsig.exceptions.table.StartEditingTableException;

import com.iver.cit.gvsig.exceptions.visitors.VisitorException;

import com.iver.cit.gvsig.fmap.edition.IEditableSource;

import com.iver.cit.gvsig.fmap.edition.IWriteable;

import com.iver.cit.gvsig.fmap.edition.IWriter;

import com.iver.cit.gvsig.project.documents.table.gui.Table;

/**

 * DOCUMENT ME!

 *

 * @author Vicente Caballero Navarro

 */

public class TableEditStartExtension extends Extension {

         /**

     * @see com.iver.andami.plugins.IExtension#initialize()

     */

    public void initialize() {

    }

    /**

     * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)

     */

    public void execute(String actionCommand) {

        if ("STARTEDIT".equals(actionCommand)) {

            IWindow v = PluginServices.getMDIManager().getActiveWindow();

                try {

                        Table table = (Table) v;

                            Driver drv = table.getModel().getModelo().getOriginalDriver();

                            if (drv instanceof IWriteable)

                            {

                                    IWriter writer = ((IWriteable) drv).getWriter();

                                    if (!writer.canSaveEdits())

                                    {

                                            JOptionPane.showMessageDialog(

                                                            (Component) PluginServices.getMDIManager().getActiveWindow(),

                                                            PluginServices.getText(this, "this_table_is_not_self_editable"),

                                                            PluginServices.getText(this, "warning"),

                                                            JOptionPane.WARNING_MESSAGE);

                                            return;

                                    }

                            }

                            else

                            {

                                        JOptionPane.showMessageDialog(

                                                        (Component) PluginServices.getMDIManager().getActiveWindow(),

                                                        PluginServices.getText(this, "this_table_is_not_self_editable"),

                                                        PluginServices.getText(this, "warning"),

                                                        JOptionPane.WARNING_MESSAGE);

                                        return;

                            }

                                        table.startEditing();

                                        /* IEditableSource edTable = (IEditableSource) table.getModel().getAssociatedTable();

                                        edTable.getCommandRecord().addCommandListener(table); */

                                } catch (StartEditingTableException e) {

                                        e.printStackTrace();

                                } catch (HeadlessException e) {

                                        e.printStackTrace();

                                } catch (VisitorException e) {

                                        e.printStackTrace();

                                }

        }

    }

    /**

     * @see com.iver.andami.plugins.IExtension#isEnabled()

     */

    public boolean isEnabled() {

        IWindow v = PluginServices.getMDIManager().getActiveWindow();

        if (v == null) {

            return false;

        }

        if (v instanceof Table)

        {

                    Table t = (Table) v;

                    IEditableSource ies = t.getModel().getModelo();

                    // FJP:

                    // Si est? linkada, por ahora no dejamos editar

                    // TODO: Esto evita la edici?n en un sentido, pero no en el otro

                    // Hay que permitir la edici?n, pero evitar que toquen el/los

                    // campos de uni?n. Para eso tendremos que a?adir alguna funci?n

                    // que indique si un campo est? involucrado en alguna uni?n, o

                    // quiz?s algo m?s gen?rico, algo que permita bloquear campos

                    // para que no se puedan editar.

                    if (t.getModel().getLinkTable() != null)

                            return false;

                    if (ies.getOriginalDriver() instanceof IWriteable)

                    {

                            return true;

                    }

        }

            return false;

    }

    /**

     * @see com.iver.andami.plugins.IExtension#isVisible()

     */

    public boolean isVisible() {

        IWindow v = PluginServices.getMDIManager().getActiveWindow();

        if (v == null) {

            return false;

        }

        if (v instanceof Table && !((Table) v).isEditing() && ((Table)v).getModel().getAssociatedTable()==null) {

                       return true;

        }

        return false;

    }

}