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.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.MapContext;

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

import org.gvsig.fmap.mapcontrol.MapControl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Extension that handles the info by point tool for a selected layer set

 *

 */

public class InfoToolExtension extends Extension {

    private static final Logger logger = LoggerFactory

            .getLogger(InfoToolExtension.class);

    public void initialize() {

        IconThemeHelper.registerIcon("action", "layer-info-by-point", this);

    }

    public void execute(String s) {

        ApplicationManager application = ApplicationLocator.getManager();

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

        if (view == null) {

            return;

        }

        ViewDocument document = view.getViewDocument();

        if (s.compareTo("layer-info-by-point") == 0) {

            MapControl mapCtrl = view.getMapControl();

            mapCtrl.setTool("info");

            document.setModified(true);

        }

    }

    public boolean isEnabled() {

        ApplicationManager application = ApplicationLocator.getManager();

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

        if (view == null) {

            return false;

        }

        ViewDocument document = view.getViewDocument();

        MapContext mapa = document.getMapContext();

        FLayer[] layers = mapa.getLayers().getActives();

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

            if (layers[i].isAvailable()) {

                return true;

            }

        }

        return false;

    }

    public boolean isVisible() {

        ApplicationManager application = ApplicationLocator.getManager();

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

        if (view == null) {

            return false;

        }

        ViewDocument document = view.getViewDocument();

        MapContext mapa = document.getMapContext();

        return mapa.getLayers().getLayersCount() > 0;

    }

}