/* * This is part of Geomajas, a GIS framework, http://www.geomajas.org/. * * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium. * * The program is available in open source according to the GNU Affero * General Public License. All contributions in this program are covered * by the Geomajas Contributors License Agreement. For full licensing * details, see LICENSE.txt in the project root. */ package org.geomajas.gwt.client.map.feature.operation; import org.geomajas.geometry.Coordinate; import org.geomajas.gwt.client.map.feature.Feature; import org.geomajas.gwt.client.map.feature.TransactionGeomIndex; import org.geomajas.gwt.client.spatial.geometry.Geometry; import org.geomajas.gwt.client.spatial.geometry.GeometryEditor; import org.geomajas.gwt.client.spatial.geometry.LineString; import org.geomajas.gwt.client.spatial.geometry.LinearRing; import org.geomajas.gwt.client.spatial.geometry.MultiLineString; import org.geomajas.gwt.client.spatial.geometry.MultiPolygon; import org.geomajas.gwt.client.spatial.geometry.Polygon; import org.geomajas.gwt.client.spatial.geometry.operation.InsertCoordinateOperation; import org.geomajas.gwt.client.spatial.geometry.operation.RemoveCoordinateOperation; /** * Insert coordinate operation. * * @author Pieter De Graef */ public class InsertCoordinateOp extends GeometryEditor implements FeatureOperation { private TransactionGeomIndex index; private Coordinate coordinate; public InsertCoordinateOp(TransactionGeomIndex index, Coordinate coordinate) { this.index = index; this.coordinate = coordinate; if (index.getCoordinateIndex() < 0) { index.setCoordinateIndex(index.getEdgeIndex()); } } public void execute(Feature feature) { Geometry geometry = feature.getGeometry(); if (geometry instanceof MultiPolygon) { execute((MultiPolygon) geometry); } else if (geometry instanceof MultiLineString) { execute((MultiLineString) geometry); } else if (geometry instanceof Polygon) { execute((Polygon) geometry); } else if (geometry instanceof LineString) { feature.setGeometry(execute((LineString) geometry)); } } public void undo(Feature feature) { Geometry geometry = feature.getGeometry(); if (geometry instanceof MultiPolygon) { undo((MultiPolygon) geometry); } else if (geometry instanceof MultiLineString) { undo((MultiLineString) geometry); } else if (geometry instanceof Polygon) { undo((Polygon) geometry); } else if (geometry instanceof LineString) { feature.setGeometry(undo((LineString) geometry)); } } // ------------------------------------------------------------------------- // Private execution functions: // ------------------------------------------------------------------------- private void execute(MultiPolygon multiPolygon) { execute((Polygon) multiPolygon.getGeometryN(index.getGeometryIndex())); } private void execute(MultiLineString multiLineString) { LineString lineString = execute((LineString) multiLineString.getGeometryN(index.getGeometryIndex())); setLineStringN(multiLineString, lineString, index.getGeometryIndex()); } private void execute(Polygon polygon) { LinearRing ring = null; if (index.isExteriorRing()) { ring = polygon.getExteriorRing(); LineString lineString = execute(ring); setExteriorRing(polygon, (LinearRing) lineString); } else if (index.getInteriorRingIndex() >= 0) { ring = polygon.getInteriorRingN(index.getInteriorRingIndex()); LineString lineString = execute(ring); setInteriorRingN(polygon, (LinearRing) lineString, index.getInteriorRingIndex()); } } private LineString execute(LineString lineString) { InsertCoordinateOperation op = new InsertCoordinateOperation(index.getCoordinateIndex(), coordinate); return (LineString) op.execute(lineString); } // ------------------------------------------------------------------------- // Private undo functions: // ------------------------------------------------------------------------- private void undo(MultiPolygon multiPolygon) { undo((Polygon) multiPolygon.getGeometryN(index.getGeometryIndex())); } private void undo(MultiLineString multiLineString) { LineString lineString = undo((LineString) multiLineString.getGeometryN(index.getGeometryIndex())); setLineStringN(multiLineString, lineString, index.getGeometryIndex()); } private void undo(Polygon polygon) { LinearRing ring = null; if (index.isExteriorRing()) { ring = polygon.getExteriorRing(); LineString lineString = undo(ring); setExteriorRing(polygon, (LinearRing) lineString); } else if (index.getInteriorRingIndex() >= 0) { ring = polygon.getInteriorRingN(index.getInteriorRingIndex()); LineString lineString = undo(ring); setInteriorRingN(polygon, (LinearRing) lineString, index.getInteriorRingIndex()); } } private LineString undo(LineString lineString) { RemoveCoordinateOperation op = new RemoveCoordinateOperation(index.getCoordinateIndex()); return (LineString) op.execute(lineString); } }