/**
* OrbisGIS is a java GIS application dedicated to research in GIScience.
* OrbisGIS is developed by the GIS group of the DECIDE team of the
* Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
*
* The GIS group of the DECIDE team is located at :
*
* Laboratoire Lab-STICC – CNRS UMR 6285
* Equipe DECIDE
* UNIVERSITÉ DE BRETAGNE-SUD
* Institut Universitaire de Technologie de Vannes
* 8, Rue Montaigne - BP 561 56017 Vannes Cedex
*
* OrbisGIS is distributed under GPL 3 license.
*
* Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
* Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
*
* This file is part of OrbisGIS.
*
* OrbisGIS is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OrbisGIS is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, please consult: <http://www.orbisgis.org/>
* or contact directly:
* info_at_ orbisgis.org
*/
package org.orbisgis.view.map.tools;
import com.vividsolutions.jts.geom.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Observable;
import org.gdms.data.DataSource;
import org.gdms.data.types.*;
import org.gdms.data.values.Value;
import org.gdms.data.values.ValueFactory;
import org.gdms.driver.DriverException;
import org.gdms.geometryUtils.GeometryEdit;
import org.orbisgis.coremap.layerModel.MapContext;
import org.orbisgis.view.icons.OrbisGISIcon;
import org.orbisgis.view.map.tool.Handler;
import org.orbisgis.view.map.tool.ToolManager;
import org.orbisgis.view.map.tool.TransitionException;
import javax.swing.*;
/**
* Draw a line to convert a polygon into a multi polygon.
*/
public class SplitPolygonTool extends AbstractLineTool {
GeometryFactory gf = new GeometryFactory();
@Override
public void update(Observable o, Object arg) {
//PlugInContext.checkTool(this);
}
@Override
public boolean isEnabled(MapContext vc, ToolManager tm) {
return (ToolUtilities.geometryTypeIs(vc,
TypeFactory.createType(Type.POLYGON),
TypeFactory.createType(Type.MULTIPOLYGON),
TypeFactory.createType(Type.GEOMETRY,
new GeometryDimensionConstraint(GeometryDimensionConstraint.DIMENSION_SURFACE)),
TypeFactory.createType(Type.GEOMETRYCOLLECTION,
ConstraintFactory.createConstraint(Constraint.DIMENSION_2D_GEOMETRY,
GeometryDimensionConstraint.DIMENSION_SURFACE))))
&& ToolUtilities.isActiveLayerEditable(vc) && ToolUtilities.isSelectionEqualsTo(vc, 1);
}
@Override
public boolean isVisible(MapContext vc, ToolManager tm) {
return isEnabled(vc, tm);
}
@Override
public String getName() {
return i18n.tr("Split polygon");
}
@Override
public String getTooltip() {
return i18n.tr("Split a polygon by drawing a line");
}
@Override
public ImageIcon getImageIcon() {
return OrbisGISIcon.getIcon("edition/splitpolygon");
}
@Override
protected void lineDone(LineString ls, MapContext vc, ToolManager tm) throws TransitionException {
Handler handler = tm.getCurrentHandlers().get(0);
DataSource sds = vc.getActiveLayer().getDataSource();
try {
Geometry geom = sds.getGeometry(handler.getGeometryIndex());
if (ToolUtilities.geometryTypeIs(vc,
TypeFactory.createType(Type.MULTIPOLYGON),
TypeFactory.createType(Type.GEOMETRYCOLLECTION,
ConstraintFactory.createConstraint(Constraint.DIMENSION_2D_GEOMETRY,
GeometryDimensionConstraint.DIMENSION_SURFACE)))) {
List<Polygon> pols = new ArrayList<Polygon>();
for (int i = 0; i < geom.getNumGeometries(); i++) {
Collection<Polygon> polygons = GeometryEdit.polygonWithLineSplitter((Polygon) geom.getGeometryN(i), ls);
if(polygons!=null) {
pols.addAll(polygons);
}
}
MultiPolygon result = gf.createMultiPolygon(pols.toArray(new Polygon[pols.size()]));
if (result != null && !pols.isEmpty()) {
sds.setGeometry(handler.getGeometryIndex(), result);
}
} else if (ToolUtilities.geometryTypeIs(vc,
TypeFactory.createType(Type.POLYGON),
TypeFactory.createType(Type.GEOMETRY,
ConstraintFactory.createConstraint(Constraint.DIMENSION_2D_GEOMETRY,
GeometryDimensionConstraint.DIMENSION_SURFACE)))) {
Collection<Polygon> polygons = GeometryEdit.polygonWithLineSplitter((Polygon) geom, ls);
if (polygons != null) {
sds.deleteRow(handler.getGeometryIndex());
Value[] row = sds.getRow(handler.getGeometryIndex());
for (Polygon polygon : polygons) {
row[sds.getSpatialFieldIndex()] = ValueFactory.createValue(polygon);
sds.insertFilledRow(row);
}
}
}
} catch (DriverException e) {
throw new TransitionException(i18n.tr("Cannot split the polygon"), e);
}
}
}