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.editing;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.ProjectManager;

import org.gvsig.app.project.documents.Document;

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

import org.gvsig.editing.gui.cad.CADToolAdapter;

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

public class EditionLocator {

        private static CADToolAdapter adapter=null;

        private static Map<ViewDocument,CADToolAdapter> adapters=new HashMap<ViewDocument,CADToolAdapter>();

    /**

     * Gets the CADToolAdapter of the view where the layer is

     * contained or null if the layer is not found

     * in any view

     *  

     * @param layer

     * @return CADToolAdapter of the layer

     */

        public static CADToolAdapter getCADToolAdapter(FLayer layer) {

                Project project = ProjectManager.getInstance().getCurrentProject();

                List<Document> docs = project.getDocuments();

                for( int i=0; i<docs.size(); i++ ) {

                        Document doc = docs.get(i);

                        if( doc instanceof ViewDocument ) {

                                ViewDocument view = (ViewDocument)doc;

                                if (view.getMapContext() == layer.getMapContext() ) {

                                        CADToolAdapter cta = adapters.get(doc);

                                        if ( cta == null ) {

                                                cta = new CADToolAdapter();

                                                adapters.put(view,cta);

                                        }

                                        return cta;

                                }

                        }

                }

                return null;

        }

        /**

     * Gets the CADToolAdapter of the view

     * or null if the view not found in the current project

     * 

     * @return CADToolAdapter of the view

     */

        public static CADToolAdapter getCADToolAdapter(ViewDocument view) {

                CADToolAdapter cta = adapters.get(view);

                if (cta == null) {

                        cta = new CADToolAdapter();

                        adapters.put(view, cta);

                }

                return cta;

        }

        /**

     * Gets the CADToolAdapter of the currently active view

     * or the CADToolAdapter of the view that was active more

     * recently (if there is not an active view)

     * or null if there never was an active view

     * 

     * @return CADToolAdapter of current view

     */

        public static CADToolAdapter getCADToolAdapter() {

                ViewDocument view = (ViewDocument) ProjectManager.getInstance().getCurrentProject().getActiveDocument(ViewDocument.class);

                if( view != null ) {

                        adapter = adapters.get(view);

                        if( adapter==null ) {

                                adapter = new CADToolAdapter();

                                adapters.put(view, adapter);

                        }

                        return adapter;

                }

                return adapter;

        }

        /**

         * 

     * Gets the edition manager of the currently active view

     * or the edition manager of the view that was active more

     * recently (if there is not an active view)

     * or null if there never was an active view.

     * 

         * @return

         */

        public static IEditionManager getEditionManager() {

                CADToolAdapter cta=getCADToolAdapter();

                if (cta == null) {

                    return null;

                } else {

                    return cta.getEditionManager();

                }

        }

        /**

     * Gets the EditionManager of the view where the layer is

     * contained or null if the layer is not found

     * in any view

         * 

         * @param layer

         * @return

         */

    public static IEditionManager getEditionManager(FLayer layer) {

        CADToolAdapter cta=getCADToolAdapter(layer);

        if (cta == null) {

            return null;

        } else {

            return cta.getEditionManager();

        }

    }

        /**

     * Gets the EditionManager of the ViewDocument or null if the view is not found

     * in the project

         * 

         * @param viewDocument

         * @return

         */

    public static IEditionManager getEditionManager(ViewDocument view) {

        CADToolAdapter cta=getCADToolAdapter(view);

        if (cta == null) {

            return null;

        } else {

            return cta.getEditionManager();

        }

    }

}