Application: gvSIG desktop » gvSIG projections

package org.gvsig.proj.swing;

import org.gvsig.proj.CoordinateReferenceSystem;

import org.gvsig.proj.CoordinateTransformation;

/**

 * A controller for a specialized field to show and change a

 * {@link CoordinateReferenceSystem} and a {@link CoordinateTransformation}. 

 * 

 * @author Cesar Martinez Izquierdo

 */

public interface CoordinateReferenceSystemAndTransformFieldController {

        /**

         * Sets the selected {@link CoordinateReferenceSystem}

         * 

         * @param crs The {@link CoordinateReferenceSystem CRS} to set, or {@code null}

         * to clear the selection. Clearing the CRS will also clear the

         * selected transformation.

         */ 

        void setCoordinateReferenceSystem(CoordinateReferenceSystem crs);

        /**

         * Gets the selected {@link CoordinateReferenceSystem} or {@code null} if

         * none has been selected.

         * 

         * @return

         */

        CoordinateReferenceSystem getCoordinateReferenceSystem();

        /**

         * Sets the selected {@link CoordinateTransformation}

         * @param ct The {@link CoordinateTransformation} to set, or {@code null}

         * to clear the selection.  

         */

        void setCoordinateTransformation(CoordinateTransformation ct);

        /**

         * Gets the selected {@link CoordinateTransformation} or {@code null} if

         * none has been selected.

         * 

         * @return

         */

        CoordinateTransformation getCoordinateTransformation();

}