root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / strategies / DefaultStrategy.java @ 2979
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.operations.strategies; |
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import java.awt.Graphics2D; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.BitSet; |
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import org.apache.log4j.Logger; |
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import org.cresques.cts.ICoordTrans; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import com.iver.cit.gvsig.fmap.rendering.styling.FStyle2D; |
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/**
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* Implementa la Strategy por defecto. Los m?todos que tendr?n en com?n la
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* mayor parte de las estrategias
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*/
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public class DefaultStrategy implements Strategy { |
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public static final int EQUALS = 0; |
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public static final int DISJOINT = 1; |
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public static final int INTERSECTS = 2; |
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public static final int TOUCHES = 3; |
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public static final int CROSSES = 4; |
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public static final int WITHIN = 5; |
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public static final int CONTAINS = 6; |
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public static final int OVERLAPS = 7; |
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private static Logger logger = Logger.getLogger(DefaultStrategy.class.getName()); |
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FLayer capa = null;
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/**
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* Crea un nuevo DefaultStrategy.
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*
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* @param capa DOCUMENT ME!
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*/
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public DefaultStrategy(FLayer capa) {
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this.capa = capa;
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SingleLayer foo = (SingleLayer) capa; |
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ClassifiableVectorial vectorial = (ClassifiableVectorial) capa; |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByRect(java.awt.geom.Rectangle2D)
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*/
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public FBitSet queryByRect(Rectangle2D rect) throws DriverException { |
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QueryByRectVisitor visitor = new QueryByRectVisitor();
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visitor.setRect(rect); |
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try {
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process(visitor); |
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} catch (VisitException e) {
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throw new RuntimeException( |
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"QueryByRectVisitor lanza una VisitException?");
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} |
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return visitor.getBitSet();
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.fshape.IGeometry,
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* int)
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*/
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public FBitSet queryByShape(IGeometry g, int relationship) |
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throws DriverException, VisitException {
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QueryByShapeVisitor visitor = new QueryByShapeVisitor();
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visitor.setRelationShip(relationship); |
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visitor.setShape(g); |
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process(visitor); |
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return visitor.getBitSet();
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#getSelectionBounds()
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*/
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public Rectangle2D getSelectionBounds() { |
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return null; |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#createIndex()
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*/
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public void createIndex() { |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.LayerOperations#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, FStyle2D)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel) throws DriverException {
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try {
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VectorialAdapter adapter = ((SingleLayer) capa).getSource(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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logger.debug("adapter.start()");
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adapter.start(); |
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logger.debug("getCapa().getRecordset().start()");
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SelectableDataSource rsSel = ((AlphanumericData) getCapa()).getRecordset(); |
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if (rsSel != null) |
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rsSel.start(); |
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int sc;
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Rectangle2D extent = viewPort.getAdjustedExtent();
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AffineTransform at = viewPort.getAffineTransform();
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sc = adapter.getShapeCount(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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DriverAttributes attr = adapter.getDriverAttributes(); |
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boolean bMustClone = false; |
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if (attr != null) |
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{
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if (attr.isLoadedInMemory())
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{
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bMustClone = attr.isLoadedInMemory(); |
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} |
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} |
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VectorialLegend l = (VectorialLegend) ((ClassifiableVectorial) capa).getLegend(); |
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for (int i = 0; i < sc; i++) { |
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if (cancel.isCanceled()) {
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break;
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} |
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IGeometry geom = adapter.getShape(i); |
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if (geom == null) { |
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continue;
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} |
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if (ct != null) { |
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if (bMustClone)
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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// if (geom.intersects(extent)) {
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if (geom.fastIntersects(extent.getMinX(), extent.getMinY(),
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extent.getWidth(), extent.getHeight())) {
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FSymbol symbol = l.getSymbol(i); |
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if (symbol ==null) |
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continue;
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if (getCapa() instanceof Selectable){ |
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Selectable selection = (Selectable) getCapa(); |
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BitSet bitSet = selection.getSelection();
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if (bitSet.get(i)) {
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symbol = FSymbol.getSymbolForSelection(symbol); |
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} |
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} |
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geom.draw(g, viewPort, symbol); |
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} |
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/* else
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{
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System.out.println("no pinto id=" + i);
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} */
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} |
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logger.debug("getCapa().getRecordset().stop()");
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if (rsSel != null) |
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rsSel.stop(); |
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logger.debug("adapter.stop()");
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adapter.stop(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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// DriverAttributes attr = adapter.getDriverAttributes();
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/* if (attr != null)
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{
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if (attr.isLoadedInMemory())
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{
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// Quitamos lo de la reproyecci?n al vuelo para que
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// solo se haga una vez.
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getCapa().setCoordTrans(null);
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}
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} */
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} catch (DriverException e) {
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throw new DriverException(e); |
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} |
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} |
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/**
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* Devuelve la capa.
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*
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* @return Returns the capa.
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*/
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public FLayer getCapa() {
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return capa;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor,
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* java.util.BitSet)
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*/
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public void process(FeatureVisitor visitor, BitSet subset) |
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throws DriverException, VisitException {
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try {
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logger.debug("visitor.start()");
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if (visitor.start(capa)) {
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VectorialAdapter va = ((SingleLayer) capa).getSource(); |
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va.start(); |
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for (int i = 0; i < va.getShapeCount(); i++) { |
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if (subset.get(i)) {
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visitor.visit(va.getShape(i), i); |
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} |
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} |
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va.stop(); |
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logger.debug("visitor.stop()");
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visitor.stop(capa); |
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} |
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param visitor DOCUMENT ME!
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*
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* @throws DriverException DOCUMENT ME!
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* @throws VisitException
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*
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor)
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*/
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public void process(FeatureVisitor visitor) |
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throws DriverException, VisitException {
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try {
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logger.debug("visitor.start()");
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if (visitor.start(capa)) {
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VectorialAdapter va = ((SingleLayer) capa).getSource(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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va.start(); |
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for (int i = 0; i < va.getShapeCount(); i++) { |
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IGeometry geom = va.getShape(i); |
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if (ct != null) { |
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geom.reProject(ct); |
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} |
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visitor.visit(geom, i); |
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} |
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va.stop(); |
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logger.debug("visitor.stop()");
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visitor.stop(capa); |
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} |
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(Point2D,
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* double)
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*/
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public FBitSet queryByPoint(Point2D p, double tolerance) |
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throws DriverException {
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// TODO: OJO!!!!. Est? implementado como un rectangulo.
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// Lo correcto deber?a ser calculando las distancias reales
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// es decir, con un c?rculo.
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Rectangle2D recPoint = new Rectangle2D.Double(p.getX() - (tolerance / 2), |
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p.getY() - (tolerance / 2), tolerance, tolerance);
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return queryByRect(recPoint);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel) |
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throws DriverException {
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draw(null, g, viewPort, cancel); // Quiero ejecutar el draw del padre, que es el que va sin acelaraci?n!! |
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} |
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} |