Application: gvSIG desktop » gvSIG tools: Vector editing

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

import java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.exception.CreateGeometryException;

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

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

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus;

import org.gvsig.vectorediting.lib.spi.EditingProviderLocator;

import org.gvsig.vectorediting.lib.spi.EditingProviderManager;

/**

 * @author fdiaz

 *

 */

public class PointEditVertexOperation implements EditVertexOperation {

    /**

     *

     */

    public PointEditVertexOperation() {

        // TODO Auto-generated constructor stub

    }

    @Override

    public Geometry insertVertex(Primitive geom, int index) throws CreateGeometryException {

        return geom;

    }

    @Override

    public Geometry removeVertex(Primitive geom, int index) throws CreateGeometryException {

        return geom;

    }

    @Override

    public Geometry moveVertex(Primitive geom, int index, Point point) {

        if(index!=0) {

            return geom;

        }

        Point p = ((Point)geom);

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

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

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

        }

        return p;

    }

    @Override

    public List<Point> getVertexesList(Primitive geom) {

        ArrayList<Point> vertexList = new ArrayList<>();

        if (geom instanceof Point) {

            Point point = (Point) geom;

            vertexList.add(point);

        }

        return vertexList;

    }

    @Override

    public int getNumVertex(Primitive geom) {

        return 1;

    }

    @Override

    public boolean canInsertVertex(Primitive geom, int index) {

        return false;

    }

    @Override

    public boolean canRemoveVertex(Primitive geom, int index) {

        return false;

    }

    @Override

    public boolean canMoveVertex(int index, Point point) {

        return true;

    }

    @Override

    public void addToDrawingStatus(DefaultDrawingStatus drawingStatus,

        Primitive primitive) {

        EditingProviderManager editingProviderManager =

            EditingProviderLocator.getProviderManager();

        ISymbol pointSymbolEditing =

            editingProviderManager.getSymbol("point-symbol-editing");

        drawingStatus.addStatus(primitive, drawingStatus.getPreviewSymbol(), "");

        drawingStatus.addStatus(primitive, pointSymbolEditing, "");

    }

}