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 java.util.prefs.Preferences;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.PluginsManager;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.tools.dynobject.DynObject;

/**

 * @author jldominguez

 *

 */

public class DisableSnappingExtension extends Extension {

    public void initialize() {

        // TODO Auto-generated method stub

    }

    public void execute(String actionCommand) {

        if (actionCommand.equals("edit-disable-snapping")) {

            PluginsManager pluginManager = PluginsLocator.getManager();

            PluginServices plugin = pluginManager.getPlugin(this);

            DynObject pluginProperties = plugin.getPluginProperties();

            IView view = getActiveView();

            MapControl mc = view.getMapControl();

            mc.setRefentEnabled(false);

            pluginProperties.setDynValue("applySnappers", mc.isRefentEnabled());

            plugin.savePluginProperties();

            Preferences prefs = Preferences.userRoot().node("snappers");

            prefs.putBoolean("apply-snappers", mc.isRefentEnabled());

            ApplicationLocator.getManager().refreshMenusAndToolBars();

        }

    }

    public boolean isEnabled() {

        IView view = getActiveView();

        if (view != null) {

            MapControl mc = view.getMapControl();

            if (mc != null) {

                FLyrVect layer = getActiveLayer(view);

                return (mc.isRefentEnabled() && layer != null && layer.isEditing());

            }

        }

        return false;

    }

    public boolean isVisible() {

        return isEnabled();

    }

    private IView getActiveView() {

        ApplicationManager application = ApplicationLocator.getManager();

        IView view = (IView) application.getActiveComponent(ViewDocument.class);

        return view;

    }

    private FLyrVect getActiveLayer(IView vista) {

        if (vista != null) {

            ViewDocument viewDocument = vista.getViewDocument();

            FLayer[] actives =

                viewDocument.getMapContext().getLayers().getActives();

            if ((actives.length == 1) && (actives[0] instanceof FLyrVect)) {

                return (FLyrVect) actives[0];

            }

        }

        return null;

    }

}