| gvSIG desktop 1

package org.gvsig.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.baseclasses.GraphicOperator;

import org.gvsig.baseclasses.Index;

import org.gvsig.expresions.EvalOperatorsTask;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Geometry extends GraphicOperator{

        public String addText(String s) {

                return s.concat(toString()+"()");

        }

        public double process(Index index) throws DriverIOException {

                return 0;

        }

        public IGeometry getGeometry(Index index) throws ExpansionFileReadException, ReadDriverException {

                ReadableVectorial adapter = getLayer().getSource();

                   IGeometry geom=adapter.getShape(index.get());

                   return geom;

        }

        public void eval(BSFManager interpreter) throws BSFException {

                interpreter.declareBean("jgeometry",this,Geometry.class);

//                interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"java.lang.Object geometry(){return geometry.getGeometry(indexRow);};");

                interpreter.exec(EvalOperatorsTask.JYTHON,null,-1,-1,"def geometry():\n" +

                                "  return jgeometry.getGeometry(indexRow)");

        }

        public String toString() {

                return "geometry";

        }

        public boolean isEnable() {

                return false;

        }

        public String getTooltip(){

                return "operator"+":  "+addText("")+"\n"+getDescription();

        }

        public String getDescription() {

        return  "returns" + ": " +

         "numeric_value" + "\n" +

         "description" + ": " +

        "Returns the geometry of this row.";

    }

}