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.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.project.documents.table.gui.FeatureTableDocumentPanel;

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

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

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

public class TableRowsOperations extends Extension {

    @Override

    public void initialize() {

        registerIcons();

    }

    private void registerIcons() {

            IconThemeHelper.registerIcon("action", "selection-move-up", this);

            IconThemeHelper.registerIcon("action", "selection-disable-move-up", this);

            IconThemeHelper.registerIcon("action", "selection-reverse", this);    

    }

    @Override

    public void execute(String actionCommand) {

        FeatureTableDocumentPanel tableDocument = getTableDocument();

        if (actionCommand.equalsIgnoreCase("selection-disable-move-up") ) {

            tableDocument.setSelectionUp(false);

        }

        if (actionCommand.equalsIgnoreCase("selection-move-up") ) {

//            if (thereIsSelection(tableDocument)) {

                tableDocument.setSelectionUp(true);

                tableDocument.getModel().setModified(true);

//            } else {

//                JOptionPane.showMessageDialog(

//                    ApplicationLocator.getManager().getRootComponent(),

//                    Messages.getText("_There_are_no_selected_rows"),

//                    Messages.getText("_Move_up_selection"),

//                    JOptionPane.INFORMATION_MESSAGE);

//            }

        }

        if (actionCommand.equalsIgnoreCase("selection-reverse") ) {

            invertSelection(tableDocument);

            tableDocument.getModel().setModified(true);

        }

    }

    /**

     * Flip the selection (inverts selection)

     * 

     * @param table

     */

    private void invertSelection(FeatureTableDocumentPanel table) {

        try {

            FeatureStore fs = getTableDocument().getModel().getStore();

            fs.getFeatureSelection().reverse();

        } catch (DataException e) {

            logger.warn("Can't invert selecction", e);

        }

    }

    @Override

    public boolean isEnabled() {

        FeatureTableDocumentPanel panel = getTableDocument();

        if( panel == null ) {

            return false;

        }

        FeatureStore store = panel.getFeatureStore();

        try {

            if( !store.getFeatureSelection().isAvailable() ) {

                return false;

            }

        } catch (Exception ex) {

        }                        

        return  true;

    }

    @Override

    public boolean isVisible() {

        return getTableDocument() != null;

    }

    private FeatureTableDocumentPanel getTableDocument() {

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

        if (v != null && v instanceof FeatureTableDocumentPanel) {

            return (FeatureTableDocumentPanel) v;

        }

        return null;

    }

    private boolean thereIsSelection(FeatureTableDocumentPanel tabledoc) {

        if (tabledoc != null) {

            try {

                return !tabledoc.getModel().getStore()

                    .getFeatureSelection().isEmpty();

            } catch (Exception e) {

                logger.warn("Can't check if table has a selecction", e);

            }

        }

        return false;

    }

}