Application: gvSIG desktop

package org.gvsig.example.memory;

import java.util.ArrayList;

import com.hardcode.gdbms.engine.values.Value;

import com.hardcode.gdbms.engine.values.ValueFactory;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.FPolyline2D;

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

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

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

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

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

import com.iver.cit.gvsig.project.documents.view.gui.View;

/**

 * @author fjp

 * 

 * Example of using a ConcreteMemoryDriver to obtain a "editable layer" where

 * you can write your features.

 *

 */

public class CreateMemoryLayer extends Extension {

        public void initialize() {

        }

        public void execute(String actionCommand) {

                View v = (View) PluginServices.getMDIManager().getActiveWindow();

                MapControl mapCtrl = v.getMapControl();

        // DRIVER DEFINITION (SHAPE TYPE AND FIELDS)

        ConcreteMemoryDriver driver = new ConcreteMemoryDriver();

        driver.setShapeType(FShape.LINE);

                ArrayList arrayFields = new ArrayList();

                arrayFields.add("ID");

                Value[] auxRow = new Value[1];

                driver.getTableModel().setColumnIdentifiers(arrayFields.toArray());

                // GEOMETRY DEFINITION

        GeneralPathX gp = new GeneralPathX();

        gp.moveTo(20,80);

        gp.lineTo(80,60);

        gp.lineTo(100, 140);

        FShape shp = new FPolyline2D(gp);

        // ATRIBUTES

        auxRow[0] = ValueFactory.createValue(0);

        // ADD RECORD

        driver.addShape(shp, auxRow);

        // CREATE AND ADD LAYER

            FLayer lyr;

            String layerName = "Example";

                lyr = LayerFactory.createLayer(layerName,driver, mapCtrl.getProjection());

                if (lyr != null) {

                        lyr.setVisible(true);

                        mapCtrl.getMapContext().getLayers().addLayer(lyr);

                }

        }

        public boolean isEnabled() {

                return true;

        }

        public boolean isVisible() {

                IWindow v = PluginServices.getMDIManager().getActiveWindow();

                if  (v instanceof View)

                        return true;

                else

                        return false;

        }

}