| 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.

*

*/

/*

* AUTHORS (In addition to CIT):

* 2009 IVER T.I   {{Task}}

*/

/**

 *

 */

package org.gvsig.app.imp;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.gvsig.app.AppGvSigManager;

import org.gvsig.app.PrepareContext;

import org.gvsig.app.PrepareContextView;

import org.gvsig.app.PrepareDataStore;

import org.gvsig.app.PrepareDataStoreParameters;

import org.gvsig.app.PrepareLayer;

import org.gvsig.app.gui.WizardPanel;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.DataStoreParameters;

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

/**

 * @author jmvivo

 *

 */

public class DefaultAppGvSigManager implements AppGvSigManager {

        private static final String EPNAME_PREPARE_OPEN_DATASTORE = "PrepareOpenDataStore";

        private static final String EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS = "PrepareOpenDataStoreParameters";

        private static final String EPNAME_PREPARE_OPEN_LAYER = "PrepareOpenLayer";

        private static final String EPNAME_ADD_TABLE_WIZARD = "AddLayerWizard";

        private ExtensionPointManager epManager;

        public DefaultAppGvSigManager() {

                epManager = ToolsLocator.getExtensionPointManager();

                epManager.add(EPNAME_PREPARE_OPEN_DATASTORE,

                                "Actions to do when open a DataStore");

                epManager.add(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS,

                                "Actions to do before open a DataStore with parameters");

                epManager.add(EPNAME_PREPARE_OPEN_LAYER,

                        "Actions to do after create a Layer");

                epManager.add(EPNAME_ADD_TABLE_WIZARD,

                                "Wizards to add new document table");

        }

        /* (non-Javadoc)

         * @see org.gvsig.appGvSigManager#pepareOpenDataSource(org.gvsig.fmap.dal.DataStore)

         */

        public DataStore pepareOpenDataSource(DataStore store,

                        PrepareContext context) throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_DATASTORE);

                if (ep.getCount() == 0) {

                        return store;

                }

                DataStore result = store;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareDataStore prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareDataStore) iter.next().create();

                        result = prepare.prepare(store, context);

                }

                return result;

        }

        /* (non-Javadoc)

         * @see org.gvsig.appGvSigManager#prepareOpenDataStoreParameters(org.gvsig.fmap.dal.DataStoreParameters)

         */

        public DataStoreParameters prepareOpenDataStoreParameters(

                        DataStoreParameters storeParameters, PrepareContext context)

                        throws Exception {

                ExtensionPoint ep = epManager

                                .get(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS);

                if (ep.getCount() == 0) {

                        return storeParameters;

                }

                DataStoreParameters result = storeParameters;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareDataStoreParameters prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareDataStoreParameters) iter.next().create();

                        result = prepare.prepare(storeParameters, context);

                }

                return result;

        }

        public void registerPrepareOpenDataStore(PrepareDataStore action) {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_DATASTORE);

                ep.append(action.getName(), action.getDescription(), action);

        }

        public void registerPrepareOpenDataStoreParameters(

                        PrepareDataStoreParameters action) {

                ExtensionPoint ep = epManager

                                .get(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS);

                ep.append(action.getName(), action.getDescription(), action);

        }

        public FLayer prepareOpenLayer(FLayer layer,

                        PrepareContextView context)

                        throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_LAYER);

                if (ep.getCount() == 0) {

                        return layer;

                }

                FLayer result = layer;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareLayer prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareLayer) iter.next().create();

                        result = prepare.prepare(layer, context);

                }

                return result;

        }

        public void registerPrepareOpenLayer(PrepareLayer action) {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_LAYER);

                ep.append(action.getName(), action.getDescription(), action);

        }

        public void registerAddTableWizard(String name, String description,

                        Class<? extends WizardPanel> wpClass) {

                ExtensionPoint ep = epManager.get(EPNAME_ADD_TABLE_WIZARD);

                ep.append(name, description, wpClass);

        }

        public List<WizardPanel> getWizardPanels() throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_ADD_TABLE_WIZARD);

                List<WizardPanel> result = new ArrayList<WizardPanel>();

                Iterator<Extension> iter = ep.iterator();

                while (iter.hasNext()) {

                        result.add((WizardPanel) iter.next().create());

                }

                return result;

        }

}