root / branches / v2_0_0_prep / libraries / libFMap_mapcontrol / src / org / gvsig / fmap / mapcontrol / tools / PolygonSelectionListener.java @ 22946
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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 org.gvsig.fmap.mapcontrol.tools; |
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import java.awt.Cursor; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.Toolkit; |
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import javax.swing.ImageIcon; |
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import org.gvsig.fmap.data.DataException; |
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import org.gvsig.fmap.data.feature.FeatureCollection; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryFactory; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontrol.MapControl; |
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import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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import org.gvsig.fmap.mapcontrol.tools.Listeners.PolylineListener; |
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/**
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* <p>Listener that selects all features of the active and vector layers which intersect with the defined
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* polygon area in the associated {@link MapControl MapControl} object.</p>
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*
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* <p>The selection will be produced after user finishes the creation of the polyline.</p>
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*
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* @author Vicente Caballero Navarro
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*/
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public class PolygonSelectionListener implements PolylineListener { |
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/**
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* The image to display when the cursor is active.
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*/
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private final Image img = new ImageIcon(MapControl.class.getResource( |
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"images/PoligonCursor.png")).getImage();
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/**
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* The cursor used to work with this tool listener.
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*
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* @see #getCursor()
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*/
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private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(img, |
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new Point(16, 16), ""); |
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/**
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* The cursor used to work with this tool listener.
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*
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* @see #getCursor()
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*/
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private MapControl mapCtrl;
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/**
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* <p>Creates a new <code>PolygonSelectionListener</code> object.</p>
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*
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* @param mc the <code>MapControl</code> where is drawn the polyline
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*/
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public PolygonSelectionListener(MapControl mc) {
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this.mapCtrl = mc;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()
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*/
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public Cursor getCursor() { |
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return cur;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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*/
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public boolean cancelDrawing() { |
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return false; |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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*/
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public void points(MeasureEvent event) throws BehaviorException { |
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// TODO Auto-generated method stub
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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*/
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public void pointFixed(MeasureEvent event) throws BehaviorException { |
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// TODO Auto-generated method stub
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.PolylineListener#polylineFinished(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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*/
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public void polylineFinished(MeasureEvent event) throws BehaviorException { |
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try {
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GeometryFactory geomFactory=GeometryManager.getInstance().getGeometryFactory(); |
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ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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GeneralPathX gp = event.getGP(); |
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Geometry geom = geomFactory.createPolygon2D(gp); |
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FLayer[] actives = mapCtrl.getMapContext()
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.getLayers().getActives(); |
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for (int i=0; i < actives.length; i++) |
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{ |
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if (actives[i] instanceof FLyrVect) { |
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FLyrVect lyrVect = (FLyrVect) actives[i]; |
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FeatureCollection oldSelection = (FeatureCollection)lyrVect.getFeatureStore().getSelection(); |
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FeatureCollection newSelection = lyrVect.queryByGeometry(geom,lyrVect.getFeatureStore().getDefaultFeatureType()); |
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if (event.getEvent().isControlDown()){
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//TODO
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// newSelection.xor(oldSelection);
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} |
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lyrVect.getFeatureStore().setSelection(newSelection); |
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} |
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} |
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} catch (DataException e) {
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throw new BehaviorException("No se pudo hacer la selecci?n", e); |
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} |
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} |
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} |