Application: gvSIG desktop » gvSIG tools: HyperLink

/* 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.hyperlink.app.extension;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

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.hyperlink.app.extension.config.gui.ConfigTab;

import org.gvsig.hyperlink.app.extension.layers.ManagerRegistry;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Extensi?n para gestionar los hiperlinks.

 * 

 * @author Vicente Caballero Navarro

 */

public class LinkConfigExtension extends Extension {

    private static final Logger logger =

        LoggerFactory.getLogger(LinkConfigExtension.class);

    ManagerRegistry layerManager;

    /**

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

     */

    public void execute(String s) {

        logger.debug("Command : " + s);

        if (s.compareTo("LINK_SETTINGS") == 0) {

            IView view =

                (IView) PluginServices.getMDIManager().getActiveWindow();

            HyperlinkExtension ext =

                (HyperlinkExtension) PluginServices.getExtension(HyperlinkExtension.class);

            // init tool and load legacy config in case it has been not done

            ext.initTool(view);

            FLayer[] activas =

                view.getMapControl().getMapContext().getLayers().getActives();

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

                if (!activas[i].isAvailable()) {

                    return;

                }

                if (layerManager.hasManager(activas[i])) {

                    ConfigTab configWindow = new ConfigTab();

                    configWindow.setModel(activas[i]);

                    PluginServices.getMDIManager()

                        .addCentredWindow(configWindow);

                }

            }

        }

    }

    /**

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

     */

    public boolean isVisible() {

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

        if (window == null) {

            return false;

        }

        if (window instanceof IView) {

            MapContext mapa =

                ((IView) window).getViewDocument().getMapContext();

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

        } else {

            return false;

        }

    }

    /**

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

     */

    public boolean isEnabled() {

        // it will be enabled when there is only ONE active layer, and this

        // layer

        // is available and has a valid ILayerLinkManager

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

        if (window == null) {

            return false;

        }

        if (window instanceof IView) {

            IView view = (IView) window;

            ViewDocument model = view.getViewDocument();

            FLayer[] activas = model.getMapContext().getLayers().getActives();

            if (activas.length == 1) {

                if (activas[0].isAvailable()

                    && layerManager.hasManager(activas[0])) {

                    return true;

                }

            }

        }

        return false;

    }

    public void postInitialize() {

        HyperlinkExtension ext =

            (HyperlinkExtension) PluginServices.getExtension(HyperlinkExtension.class);

        layerManager = ext.getLayerManager();

    }

    public void initialize() {

        //Do nothing

    }

}