root / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / mapcontrol / tools / PointSelectionListener.java @ 36721
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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.Image; |
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import java.awt.geom.Point2D; |
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import javax.swing.ImageIcon; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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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.PointEvent; |
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import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener; |
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/**
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* <p>Listener that selects all features of the active, and vector layers of the associated <code>MapControl</code>
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* that their area intersects with the point selected by a single click of any button of the mouse.</p>
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*
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* @author Vicente Caballero Navarro
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*/
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public class PointSelectionListener implements PointListener { |
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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.getClassLoader().getResource( |
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"org/gvsig/fmap/mapcontrol/images/PointSelectCursor.gif")).getImage();
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/**
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* Reference to the <code>MapControl</code> object that uses.
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*/
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protected MapControl mapCtrl;
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/**
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* <p>Creates a new <code>PointSelectionListener</code> object.</p>
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*
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* @param mc the <code>MapControl</code> where will be applied the changes
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*/
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public PointSelectionListener(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.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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*/
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public void point(PointEvent event) throws BehaviorException { |
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try {
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// mapCtrl.getMapContext().selectByPoint(event.getPoint(), 1);
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Point2D p = event.getPoint();
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Point2D mapPoint = mapCtrl.getViewPort().toMapPoint((int) p.getX(), (int) p.getY()); |
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// Tolerancia de 3 pixels
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double tol = mapCtrl.getViewPort().toMapDistance(3); |
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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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FeatureSet newSelection = null;
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try {
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newSelection = |
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lyrVect.queryByPoint(mapPoint, tol, |
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lyrVect.getFeatureStore() |
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.getDefaultFeatureType()); |
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if (event.getEvent().isControlDown()) {
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((FeatureSelection) lyrVect.getDataStore() |
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.getSelection()).select(newSelection); |
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} else {
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lyrVect.getFeatureStore() |
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.setSelection(newSelection); |
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} |
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} finally {
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if (newSelection!=null){ |
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newSelection.dispose(); |
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} |
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} |
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mapCtrl.drawMap(false); // FIXME Esto deber?a sobrar (la capa deber?a de ser observada) |
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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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/*
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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 Image getImageCursor() { |
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return img;
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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.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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*/
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public void pointDoubleClick(PointEvent event) throws BehaviorException { |
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} |
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} |