Application: gvSIG desktop » gvSIG tools: Expression Field

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 *   gvSIG. Desktop Geographic Information System.

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 *   Copyright (C) 2007-2013 gvSIG Association.

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package org.gvsig.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.GraphicOperator;

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

/**

 * @author Vicente Caballero Navarro

 */

public class Geometry extends GraphicOperator{

        public String addText(String s) {

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

        }

        public double process(Feature feature) {

                return 0;

        }

        public org.gvsig.fmap.geom.Geometry getGeometry(Feature feature) {

//                ReadableVectorial adapter = getLayer().getSource();

                   org.gvsig.fmap.geom.Geometry geom=feature.getDefaultGeometry();//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(ExpressionFieldExtension.JYTHON,null,-1,-1,"def geometry():\n" +

                                "  return jgeometry.getGeometry(featureContainer.getFeature())");

        }

        public String toString() {

                return "geometry";

        }

        public boolean isEnable() {

                return false;

        }

        public String getTooltip(){

                return PluginServices.getText(this,"operator")+":  "+addText("")+"\n"+getDescription();

        }

        public String getDescription() {

        return PluginServices.getText(this, "returns") + ": " +

        PluginServices.getText(this, "numeric_value") + "\n" +

        PluginServices.getText(this, "description") + ": " +

        "Returns the geometry of this row.";

    }

}