Application: gvSIG desktop » gvSIG tools: Vector editing

package org.gvsig.vectorediting.lib.prov.stretch.operation;

import java.util.HashMap;

import java.util.Map;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.primitive.Arc;

import org.gvsig.fmap.geom.primitive.Circle;

import org.gvsig.fmap.geom.primitive.Curve;

import org.gvsig.fmap.geom.primitive.Ellipse;

import org.gvsig.fmap.geom.primitive.EllipticArc;

import org.gvsig.fmap.geom.primitive.OrientablePrimitive;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.fmap.geom.primitive.Primitive;

import org.gvsig.fmap.geom.primitive.Spline;

import org.gvsig.fmap.geom.primitive.Surface;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class StretchOperationUtils {

    private static final Logger LOGGER = LoggerFactory.getLogger(StretchOperationUtils.class);

    private static final Map<Integer, StretchOperation> operations = new HashMap<Integer, StretchOperation>();

    private StretchOperationUtils() {

    }

    public static void register(StretchOperation operation, int geometryType){

        operations.put(geometryType, operation);

    }

    public static StretchOperation getOperation(Primitive geom) {

        Integer type = geom.getGeometryType().getType();

        if(isPolygon(geom)){

            type = Geometry.TYPES.POLYGON;

        } else if(isLine(geom)){

            type = Geometry.TYPES.LINE;

        }

        StretchOperation operation = operations.get(type);

        return operation;

    }

    private static boolean isPolygon(Geometry geometry) {

        if(!(geometry instanceof Surface)){

            return false;

        }

        if (geometry instanceof Ellipse) {

            return false;

        }

        if (geometry instanceof EllipticArc) {

            return false;

        }

        if (geometry instanceof Circle) {

            return false;

        }

        return true;

    }

    private static boolean isLine(Geometry geometry) {

        if(!(geometry instanceof Curve)){

            return false;

        }

        if (geometry instanceof Arc) {

            return false;

        }

        if (geometry instanceof Spline) {

            return false;

        }

        return true;

    }

    public static void setVertex(OrientablePrimitive geom, int index, Point p) {

        Point point = geom.getVertex(index);

        int min = p.getDimension() < point.getDimension()?p.getDimension():point.getDimension();

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

            point.setCoordinateAt(i, p.getCoordinateAt(i));

        }

    }

}