Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

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

 * MA  02110-1301, USA.

 * 

 */

package org.gvsig.app.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

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.app.project.documents.view.gui.DefaultViewPanel;

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

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.tools.exception.BaseException;

/**

 * Extensi?n de zoom a lo seleccionado teniendo como ventana activa una tabla.

 * 

 * @author Vicente Caballero Navarro

 */

public class ZoomToSelectExtension extends Extension {

    public void execute(String s) {

            if( "view-navigation-zoom-to-selection-table".equalsIgnoreCase(s) ) {

                org.gvsig.andami.ui.mdiManager.IWindow f =

                    PluginServices.getMDIManager().getActiveWindow();

                MapContext mapa = null;

                Envelope selectedExtent = null;

                if (f instanceof FeatureTableDocumentPanel) {

                    FeatureTableDocumentPanel table = (FeatureTableDocumentPanel) f;

                    mapa = (table.getModel().getAssociatedLayer()).getMapContext();

                }

                try {

                    selectedExtent = mapa.getSelectionBounds();

                    mapa.getViewPort().setEnvelope(selectedExtent);

                } catch (BaseException e) {

                    NotificationManager.addError(e);

                }

            }

    }

    public boolean isVisible() {

        org.gvsig.andami.ui.mdiManager.IWindow window =

            PluginServices.getMDIManager().getActiveWindow();

        if (window instanceof FeatureTableDocumentPanel) {

            FeatureTableDocumentPanel featureTableDocumentPanel =

                (FeatureTableDocumentPanel) window;

            IWindow[] windows = PluginServices.getMDIManager().getAllWindows();

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

                if (windows[i] instanceof DefaultViewPanel) {

                    if (featureTableDocumentPanel.getModel()

                        .getAssociatedLayer() != null) {

                        if (((DefaultViewPanel) windows[i])

                            .getMapControl()

                            .getMapContext()

                            .equals(

                                (featureTableDocumentPanel.getModel()

                                    .getAssociatedLayer()).getMapContext())) {

                            return true;

                        }

                    }

                }

            }

        }

        return false;

    }

    public boolean isEnabled() {

        org.gvsig.andami.ui.mdiManager.IWindow f =

            PluginServices.getMDIManager().getActiveWindow();

        if (f == null) {

            return false;

        }

        if (f instanceof FeatureTableDocumentPanel) {

            FeatureTableDocumentPanel t = (FeatureTableDocumentPanel) f;

            IWindow[] windows = PluginServices.getMDIManager().getAllWindows();

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

                if (windows[i] instanceof DefaultViewPanel) {

                    if (((DefaultViewPanel) windows[i])

                        .getMapControl()

                        .getMapContext()

                        .equals(

                            (t.getModel().getAssociatedLayer()).getMapContext())) {

                        try {

                            if (!t.getModel().getStore().getFeatureSelection()

                                .isEmpty()) {

                                return true;

                            }

                        } catch (DataException e) {

                            NotificationManager.addError(e);

                            return false;

                        }

                    }

                }

            }

        }

        return false;

    }

    public void initialize() {

        registerIcons();

    }

    private void registerIcons() {

            IconThemeHelper.registerIcon("action", "view-navigation-zoom-to-selection", this);

    }

}