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

 *

 * Copyright (C) 2005 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: ILabelingMethod.java 13913 2007-09-20 09:36:02Z jaume $

* $Log$

* Revision 1.4  2007-09-20 09:33:15  jaume

* Refactored: fixed name of IPersistAnce to IPersistence

*

* Revision 1.3  2007/03/21 11:01:28  jaume

* javadoc

*

* Revision 1.2  2007/03/09 08:33:43  jaume

* *** empty log message ***

*

* Revision 1.1.2.2  2007/02/01 11:42:47  jaume

* *** empty log message ***

*

* Revision 1.1.2.1  2007/01/30 18:10:45  jaume

* start commiting labeling stuff

*

*

*/

package org.gvsig.fmap.mapcontext.rendering.legend.styling;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.utils.IPersistence;

/**

 * Interface that defines provides support to a ILabelingStrategy to supply

 * the set of <b>LabelClass</b>(es) that handle the label's style, content, etc..

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public interface ILabelingMethod extends IPersistence{

        /**

         * Returns all the labels defined by this Labeling Method

         * @return all the labels in this labeling method;

         */

        public ILabelClass[] getLabelClasses();

        /**

         * Returns the LabelClass contained by this ILabelingMethod whose name matches

         * with the string passed in <b>labelName</b>.

         * @param labelName

         * @return

         */

        public ILabelClass getLabelClassByName(String labelName);

        /**

         * Adds a LabelClass to the set of LabelClass contained by this ILabelingMethod.

         * @param lbl

         */

        public void addLabelClass(ILabelClass lbl);

        /**

         * Removes the LabelClass from the set of LabelClasses contained by this

         * ILabelingMethod.

         * @param lbl, the LabelClass to be removed

         */

        public void deleteLabelClass(ILabelClass lbl);

        /**

         * Returns <b>true</b> if this ILabelingMethod allos the definition of more

         * LabelClasses than just the default LabelClass.

         * @return boolean

         */

        public boolean allowsMultipleClass();

        /**

         * Changes the mane of a given LabelClass

         * @param lbl, the LabelClass

         * @param newName, the new name

         */

        public void renameLabelClass(ILabelClass lbl, String newName);

        public FeatureSet getFeatureIteratorByLabelClass(FLyrVect layer, ILabelClass lc, ViewPort viewPort, String[] usedFields)

        throws DataException;

        public boolean definesPriorities();

        public void setDefinesPriorities(boolean flag);

        public void clearAllClasses();

        public ILabelingMethod cloneMethod();

}