Application: gvSIG desktop

package com.iver.cit.gvsig;

import java.util.ArrayList;

import com.iver.andami.PluginServices;

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.project.documents.view.IProjectView;

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

/**

 * @author fjp

 *

 * Clase con m?todos muy ?tiles a la hora de hacer nuevas extensiones, y otras

 * cosas que puedan ser gen?ricas para este plugin.

 *

 */

public class EditionUtilities {

        public static final int EDITION_STATUS_NO_EDITION = 0;

        public static final int EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE = 1;

        public static final int EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE = 2;

        public static final int EDITION_STATUS_MULTIPLE_VECTORIAL_LAYER_ACTIVE = 3;

        public static final int EDITION_STATUS_MULTIPLE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE = 4;

        public static int getEditionStatus()

        {

                int status = EDITION_STATUS_NO_EDITION;

        com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

        .getActiveWindow();

        if (f == null)

                return status;

        if (f instanceof View) {

                View vista = (View) f;

                IProjectView model = vista.getModel();

                MapContext mapa = model.getMapContext();

                FLayers capas = mapa.getLayers();

                int numActiveVectorial = 0;

                int numActiveVectorialEditable = 0;

                LayersIterator iter = new LayersIterator(capas);

                FLayer capa;

                while (iter.hasNext()) {

                        capa = iter.nextLayer();

                        if (capa instanceof FLyrVect &&

                                        capa.isActive() && capa.isAvailable()) {

                                numActiveVectorial++;

                                if (capa.isEditing())

                                        numActiveVectorialEditable++;

                        }

                }                

                if (numActiveVectorialEditable == 1 && numActiveVectorial == 1)

                        return EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE;

                if (numActiveVectorialEditable > 1 && numActiveVectorial == numActiveVectorialEditable)

                        return EDITION_STATUS_MULTIPLE_VECTORIAL_LAYER_ACTIVE_AND_EDITABLE;

                if (numActiveVectorial == 1)

                        return EDITION_STATUS_ONE_VECTORIAL_LAYER_ACTIVE;

                if (numActiveVectorial > 1)

                        return EDITION_STATUS_MULTIPLE_VECTORIAL_LAYER_ACTIVE;

        }

                return status;

        }

        public static FLayer[] getActiveAndEditedLayers()

        {

                int status = EDITION_STATUS_NO_EDITION;

        com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

        .getActiveWindow();

        if (f == null)

                return null;

        if (f instanceof View) {

                View vista = (View) f;

                IProjectView model = vista.getModel();

                MapContext mapa = model.getMapContext();

                ArrayList resul = new ArrayList();

                FLayers capas = mapa.getLayers();

                int numActiveVectorial = 0;

                int numActiveVectorialEditable = 0;

                LayersIterator iter = new LayersIterator(capas);

                FLayer capa;

                while (iter.hasNext()) {

                        capa = iter.nextLayer();

                        if (capa instanceof FLyrVect &&

                                        capa.isActive()) {

                                numActiveVectorial++;

                                if (capa.isEditing())

                                {

                                        numActiveVectorialEditable++;

                                        resul.add(capa);

                                }

                        }

                }

                if (resul.isEmpty())

                        return null;

                       return (FLayer[]) resul.toArray(new FLayer[0]);

        }

                return null;

        }

        public static ILayerDefinition createLayerDefinition(FLyrVect layer) throws DriverException {

                LayerDefinition lyrDef;

                if (layer.getSource().getDriver() instanceof VectorialDatabaseDriver)

                {

                        VectorialDatabaseDriver dbDriver = (VectorialDatabaseDriver) layer.getSource().getDriver();

                        return dbDriver.getLyrDef();

                }

                else

                {

                        lyrDef = new LayerDefinition();

                        lyrDef.setShapeType(layer.getShapeType());

                        lyrDef.setProjection(layer.getProjection());

                        lyrDef.setName(layer.getName());

                        try {

                                lyrDef.setFieldsDesc(layer.getRecordset().getFieldsDescription());

                        } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

                                e.printStackTrace();

                                throw new DriverException(e);

                        }

                }

                return lyrDef;

        }

}