| gvSIG desktop 1

/* 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.newlayer.app.extension;

import java.util.Iterator;

import java.util.Locale;

import java.util.Set;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.i18n.Messages;

import org.gvsig.newlayer.NewLayerLocator;

import org.gvsig.newlayer.NewLayerManager;

import org.gvsig.newlayer.NewLayerProviderFactory;

import org.gvsig.newlayer.app.extension.preferences.NewLayerPreferencesPage;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.service.ServiceException;

/**

 * Andami extension to register the NewLayer preferences panel.

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public class NewLayerPreferencesExtension extends Extension {

    private static final Logger LOG = LoggerFactory

        .getLogger(NewLayerPreferencesExtension.class);

    /**

     * The name of the preferences property with the names of the hidden

     * NewLayerSwingProviderFactory.

     */

    public static final String PREFERENCE_DISABLED_PROVIDERS =

        "disabledProviders";

    public static final String PREFERENCE_ENABLED_PROVIDERS =

        "enabledProviders";

    public void initialize() {

        if (!Messages.hasLocales()) {

            Messages.addLocale(Locale.getDefault());

        }

        Messages.addResourceFamily(

            "org.gvsig.newlayer.app.extension.i18n.text",

            NewLayerPreferencesExtension.class.getClassLoader(),

            NewLayerPreferencesExtension.class.getClass().getName());

        NewLayerManager providerManager = NewLayerLocator.getManager();

        // Load from preferences the list of NewLayer Providers to ignore.

        DynObject preferences = this.getPlugin().getPluginProperties();

        @SuppressWarnings("unchecked")

        Set<String> disabledProviders =

            (Set<String>) preferences

                .getDynValue(PREFERENCE_DISABLED_PROVIDERS);

        if (disabledProviders != null) {

            for (Iterator<String> iterator = disabledProviders.iterator(); iterator

                .hasNext();) {

                NewLayerProviderFactory factory;

                String providerName = null;

                try {

                    providerName = iterator.next();

                    factory =

                        providerManager

                            .getNewLayerProviderFactory(providerName);

                    providerManager.enableProvider(factory, Boolean.FALSE);

                } catch (ServiceException e) {

                    LOG.warn("Disabled NewLayer provider " + providerName

                        + " is not available", e);

                }

            }

        }

        @SuppressWarnings("unchecked")

        Set<String> enabledProviders =

            (Set<String>) preferences.getDynValue(PREFERENCE_ENABLED_PROVIDERS);

        if (enabledProviders != null) {

            for (Iterator<String> iterator = enabledProviders.iterator(); iterator

                .hasNext();) {

                NewLayerProviderFactory factory;

                String providerName = null;

                try {

                    providerName = iterator.next();

                    factory =

                        providerManager

                            .getNewLayerProviderFactory(providerName);

                    providerManager.enableProvider(factory, Boolean.TRUE);

                } catch (ServiceException e) {

                    LOG.warn("Enabled NewLayer provider " + providerName

                        + " is not available", e);

                }

            }

        }

        // Register preferences page

        ExtensionPointManager extensionPoints =

            ToolsLocator.getExtensionPointManager();

        ExtensionPoint ep = extensionPoints.add("AplicationPreferences", "");

        IconThemeHelper.registerIcon("preferences", "newlayer-preferences", this);

        ep.append("NewLayerPreferencesPage", "", new NewLayerPreferencesPage());

    }

    public void execute(String actionCommand) {

        // Nothing to do

    }

    public boolean isEnabled() {

        return true;

    }

    public boolean isVisible() {

        return false;

    }

}