root / branches / v2_0_0_prep / extensions / extRasterTools-SE / src / org / gvsig / rastertools / selectrasterlayer / SelectImageListener.java @ 31496
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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) 2007 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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package org.gvsig.rastertools.selectrasterlayer; |
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import java.awt.geom.Point2D; |
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import javax.swing.JScrollBar; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.andami.messages.NotificationManager; |
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import org.gvsig.app.project.documents.view.gui.AbstractViewPanel; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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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.FLayers; |
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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.raster.layers.FLyrRasterSE; |
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/**
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* Extensi?n de la clase SelectImageListenerImple de FMap. Esta clase
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* permite capturar el evento de la selecci?n de un punto sobre la vista
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* . Controlara que capa de la pila que est? visible cae dentro del punto
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* seleccionado poniendo esta capa como activa. En caso de que haya varias
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* capas visibles sobre ese punto, pondr? como activa la capa superior.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class SelectImageListener extends SelectImageListImpl { |
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private Envelope extentLayer = null; |
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/**
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* Contructor
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* @param mapCtrl
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*/
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public SelectImageListener(MapControl mapCtrl) {
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super(mapCtrl);
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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) { |
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super.point(event);
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Point2D pointSelect = event.getPoint();
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if (PluginServices.getMainFrame() != null) |
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PluginServices.getMainFrame().enableControls(); |
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ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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wcPoint = vp.toMapPoint((int)pointSelect.getX(), (int)pointSelect.getY()); |
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FLayers layers = mapCtrl.getMapContext().getLayers(); |
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for(int i = 0; i < layers.getLayersCount(); i++) |
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layers.getLayer(i).setActive(false);
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for(int i = layers.getLayersCount() - 1; i >= 0; i--) { |
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if (select(layers.getLayer(i), i))
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break;
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} |
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} |
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private boolean select(FLayer layer,int pos) { |
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if (layer instanceof FLayers) { |
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FLayers laux = (FLayers)layer; |
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for (int j = laux.getLayersCount() - 1; j >= 0; j--) { |
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if (select(laux.getLayer(j), j)) {
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return true; |
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} |
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} |
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} else {
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try {
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extentLayer = layer.getFullEnvelope(); |
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} catch(ReadException exc) {
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NotificationManager.addError("Error al obtener el extent", exc);
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} |
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if( extentLayer.getMaximum(0) >= wcPoint.getX() && |
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extentLayer.getMinimum(0) <= wcPoint.getX() &&
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extentLayer.getMaximum(1) >= wcPoint.getY() &&
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extentLayer.getMinimum(1) <= wcPoint.getY() &&
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layer.isVisible() && |
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layer instanceof FLyrRasterSE) {
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layer.setActive(true);
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AbstractViewPanel view = (AbstractViewPanel) PluginServices.getMDIManager().getActiveWindow(); |
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JScrollBar verticalBar = view.getTOC().getJScrollPane().getVerticalScrollBar();
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double widthPerEntry = verticalBar.getMaximum() / layer.getMapContext().getLayers().getLayersCount();
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verticalBar.setValue((int)widthPerEntry * (layer.getMapContext().getLayers().getLayersCount() - pos - 1)); |
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return true; |
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} |
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} |
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return false; |
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} |
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} |