Application: gvSIG desktop

/*

 * Created on 10-abr-2006

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: 

* $Log: 

*/

package com.iver.cit.gvsig.geoprocess.core.fmap;

import java.util.ArrayList;

import java.util.Arrays;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

/**

 * Utility methods to work with FMap 

 * 

 * @author Alvaro Zabala

 *

 */

public class FMapUtil {

	/**

	 * Filters TOC layers to get only FLyrVect layers.

	 *

	 * @param layers

	 * @return

	 */

	public static FLyrVect[] getVectorialLayers(FLayers layers) {

		FLyrVect[] solution = null;

		ArrayList<FLyrVect> list = new ArrayList<FLyrVect>();

		int numLayers = layers.getLayersCount();

		for (int i = 0; i < numLayers; i++) {

			FLayer layer = layers.getLayer(i);

			if (layer instanceof FLyrVect)

				list.add((FLyrVect)layer);

			else if (layer instanceof FLayers)

				list.addAll(Arrays.asList(getVectorialLayers((FLayers) layer)));

		}

		solution = new FLyrVect[list.size()];

		list.toArray(solution);

		return solution;

	}

	public static String[] getLayerNames(FLayers layers) {

		String[] solution = null;

		int numLayers = layers.getLayersCount();

		if (layers != null && numLayers > 0) {

			ArrayList<String> list = new ArrayList<String>();

			for (int i = 0; i < numLayers; i++) {

				FLayer layer = layers.getLayer(i);

				if (layer instanceof FLyrVect)

					list.add(layer.getName());

				if (layer instanceof FLayers) {

					FLayers tempLayers = (FLayers) layer;

					FLyrVect[] vectorials = FMapUtil.getVectorialLayers(tempLayers);

					for (int j = 0; j < vectorials.length; j++) {

						list.add(vectorials[j].getName());

					}

				}

			}// for

			solution = new String[list.size()];

			list.toArray(solution);

		}

		return solution;

	}

}