root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLayers.java @ 1680
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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.layers; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.FMap; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor; |
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import com.iver.cit.gvsig.fmap.operations.strategies.VisitException; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.gt2.CoordSys; |
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import org.cresques.cts.gt2.CoordTrans; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.io.File; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.BitSet; |
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import java.util.Iterator; |
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/**
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* Representa un nodo interno en el ?rbol de capas
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*/
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public class FLayers extends FLyrDefault implements VectorialData, |
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LayerCollection {
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//ArrayList de Listener registrados.
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private ArrayList layerListeners = new ArrayList(); |
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private ArrayList layers = new ArrayList(4); |
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private FMap fmap;
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/**
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* Crea un nuevo FLayers.
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*
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* @param fmap
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* @param parent
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*/
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public FLayers(FMap fmap, FLayers parent) {
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setParentLayer(parent); |
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this.fmap = fmap;
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} |
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/**
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* A?ade un listener de los eventos de la colecci?n de capas
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*
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* @param listener
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*/
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public void addLayerCollectionListener(LayerCollectionListener listener) { |
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layerListeners.add(listener); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllVisibles(boolean)
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*/
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public void setAllVisibles(boolean visible) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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lyr.setVisible(visible); |
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if (lyr instanceof LayerCollection) { |
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((LayerCollection) lyr).setAllVisibles(visible); |
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} |
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} |
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} |
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/**
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* Elimina un listener de los eventos de la colecci?n de capas
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*
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* @param listener
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*/
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public void removeLayerCollectionListener(LayerCollectionListener listener) { |
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layerListeners.remove(listener); |
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} |
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/**
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* A?ade una capa.
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*
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* @param layer
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*/
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private void doAddLayer(FLayer layer) { |
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layers.add(layer); |
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layer.setParentLayer(this);
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} |
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/**
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* A?ade una capa al final de la lista de subcapas
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*
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* @param layer
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*
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* @throws CancelationException
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*/
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public void addLayer(FLayer layer) throws CancelationException { |
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callLayerAdding(LayerCollectionEvent.createLayerAddingEvent(layer)); |
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doAddLayer(layer); |
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callLayerAdded(LayerCollectionEvent.createLayerAddedEvent(layer)); |
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} |
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/**
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* Mueve una capa de la posici?n from a la posici?n to. (Se supone que
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* est?n dentro del mismo nivel). Para mover entre niveles, usar otro
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* m?todo (por hacer)
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*
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* @param from origen.
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* @param to destino.
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*
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* @throws CancelationException
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*/
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public void moveTo(int from, int to) throws CancelationException { |
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FLayer aux = (FLayer) layers.get(from); |
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callLayerMoving(LayerPositionEvent.createLayerMovingEvent(aux, from, to)); |
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layers.remove(from); |
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layers.add(to, aux); |
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callLayerMoved(LayerPositionEvent.createLayerMovedEvent(aux, from, to)); |
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} |
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/**
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* Borra una capa del ArrayList que contiene a las capas.
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*
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* @param lyr FLayer.
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*/
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private void doRemoveLayer(FLayer lyr) { |
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layers.remove(lyr); |
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} |
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/**
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* Borra una capa de la colecci?n de capas.
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*
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* @param lyr FLayer
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*
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* @throws CancelationException
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*/
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public void removeLayer(FLayer lyr) throws CancelationException { |
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callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr)); |
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doRemoveLayer(lyr); |
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callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr)); |
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} |
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/**
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* Borra una FLayer del vector a partir del identificador.
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*
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* @param idLayer
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*/
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public void removeLayer(int idLayer) { |
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FLayer lyr = (FLayer) layers.get(idLayer); |
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callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr)); |
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layers.remove(idLayer); |
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callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr)); |
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} |
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/**
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* M?todo de conveniencia para borrar una capa con ese nombre
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*
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* @param layerName
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*/
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public void removeLayer(String layerName) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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if (lyr.getName().compareToIgnoreCase(layerName) == 0) { |
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removeLayer(i); |
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break;
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} |
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} |
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} |
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/**
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* Obtiene el array de capas visibles que penden del arbol cuya ra?z es
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* este nodo
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*
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* @return Vector de FLayer.
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*/
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public FLayer[] getVisibles() { |
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ArrayList array = new ArrayList(); |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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if (((FLayer) iter.next()).isVisible()) {
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array.add((FLayer) iter.next()); |
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} |
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} |
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return (FLayer[]) array.toArray(new FLayer[0]); |
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} |
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/**
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* Obtiene el hijo i-?simo directo de esta colecci?n
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*
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* @param index ?ndice.
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*
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* @return capa seleccionada.
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*/
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public FLayer getLayer(int index) { |
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return (FLayer) layers.get(index);
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} |
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/**
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* M?todo de conveniencia para buscar una capa por su nombre Es conveniente
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* usar getLayer(int) siempre que se pueda, es m?s directo.
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*
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* @param layerName nombre.
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*
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* @return capa seleccionada.
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*/
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public FLayer getLayer(String layerName) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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if (lyr.getName().compareToIgnoreCase(layerName) == 0) { |
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return lyr;
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} |
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} |
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return null; |
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} |
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/**
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* Obtiene el n?mero de capas que hay en su mismo nivel Es decir, no cuenta
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* las subcapas de un FLayers
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*
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* @return n?mero de capas.
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*/
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public int getLayersCount() { |
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return layers.size();
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)
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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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double scale = getFMap().getScaleView();
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer lyr = (FLayer) iter.next(); |
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if (lyr.isVisible()) {
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if (lyr.isWithinScale())
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lyr.draw(image, g, viewPort, cancel); |
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} |
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} |
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if (getVirtualLayers() != null) { |
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getVirtualLayers().draw(image, g, viewPort, cancel); |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
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* com.iver.cit.gvsig.fmap.ViewPort,
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* com.iver.cit.gvsig.fmap.operations.Cancellable)
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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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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer lyr = (FLayer) iter.next(); |
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if (lyr.isVisible()) {
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lyr.print(g, viewPort, cancel); |
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} |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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*/
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public Rectangle2D getFullExtent() throws DriverException { |
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Rectangle2D rAux = null; |
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int i = 0; |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer capa = (FLayer) iter.next(); |
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if (i == 0) { |
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rAux = capa.getFullExtent(); |
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} else {
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rAux.add(capa.getFullExtent()); |
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} |
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i++; |
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} |
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return rAux;
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} |
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/**
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* Llama al m?todo layerAdding de los listeners dados de alta.
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*
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* @param event
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*
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* @throws CancelationException
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*/
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private void callLayerAdding(LayerCollectionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerAdding(event); |
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} |
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} |
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/**
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* Llama al m?todo layerRemoving de los listeners dados de alta.
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*
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* @param event
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*
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* @throws CancelationException
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*/
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private void callLayerRemoving(LayerCollectionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerRemoving(event); |
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} |
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} |
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/**
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* Llama al m?todo layerMoving de los listeners dados de alta.
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*
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* @param event
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*
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* @throws CancelationException
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*/
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private void callLayerMoving(LayerPositionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerMoving(event); |
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} |
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} |
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/**
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* Llama al m?todo layerAdded de los listeners dados de alta.
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*
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* @param event
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*/
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private void callLayerAdded(LayerCollectionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerAdded(event); |
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} |
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} |
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/**
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* Llama al m?todo layerRemoved de los listeners dados de alta.
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*
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* @param event
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*/
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private void callLayerRemoved(LayerCollectionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerRemoved(event); |
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} |
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} |
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/**
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* Llama al m?todo layerMoved de los listeners dados de alta.
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*
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* @param event
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*/
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private void callLayerMoved(LayerPositionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerMoved(event); |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getProperties()
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*/
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public XMLEntity getXMLEntity() {
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XMLEntity xml = super.getXMLEntity();
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xml.putProperty("numLayers", layers.size());
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String[] s = new String[layers.size()]; |
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for (int i = 0; i < layers.size(); i++) { |
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s[i] = ((FLayer) layers.get(i)).getName(); |
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} |
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xml.putProperty("LayerNames", s);
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for (int i = 0; i < layers.size(); i++) { |
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xml.addChild(((FLayer) layers.get(i)).getXMLEntity()); |
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} |
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return xml;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param xml DOCUMENT ME!
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*
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* @throws XMLException
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setXMLEntity(com.iver.utiles.XMLEntity)
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*/
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public void setXMLEntity(XMLEntity xml) throws XMLException { |
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super.setXMLEntity(xml);
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int numLayers = xml.getIntProperty("numLayers"); |
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String[] s = xml.getStringArrayProperty("LayerNames"); |
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try {
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for (int i = 0; i < numLayers; i++) { |
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FLayer layer = null;
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String className = xml.getChild(i).getStringProperty("className"); |
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if (className.equals(FLyrVect.class.getName())) {
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if (xml.getChild(i).contains("file")) { |
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layer = LayerFactory.createLayer(s[i], |
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xml.getChild(i).getStringProperty("driverName"),
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new File(xml.getChild(i).getStringProperty("file")), |
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this.getFMap().getViewPort().getProjection());
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} else if (true) { |
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//TODO falta por implementar
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} else if (true) { |
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//TODO falta por implementar
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} |
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layer.setXMLEntity(xml.getChild(i)); |
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// Comprobar que la proyecci?n es la misma que la de FMap
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// Si no lo es, es una capa que est? reproyectada al vuelo
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IProjection proj = layer.getProjection(); |
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if (proj != null) |
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if (proj != fmap.getProjection())
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{
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ICoordTrans ct = new CoordTrans((CoordSys) proj,
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(CoordSys) fmap.getProjection()); |
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layer.setCoordTrans(ct); |
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System.err.println("coordTrans = " + |
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proj.getAbrev() + " " +
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fmap.getProjection().getAbrev()); |
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} |
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|
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} else if (className.equals(FLyrWMS.class.getName())) { |
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try {
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layer = LayerFactory.createLayer(s[i], |
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StringUtilities.string2Rect( |
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xml.getChild(i).getStringProperty("fullExtent")),
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new URL(xml.getChild(i).getStringProperty("host")), |
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xml.getChild(i).getStringProperty("format"),
|
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xml.getChild(i).getStringProperty("layerQuery"),
|
| 500 |
xml.getChild(i).getStringProperty("infoLayerQuery"),
|
| 501 |
xml.getChild(i).getStringProperty("srs"));
|
| 502 |
} catch (MalformedURLException e) { |
| 503 |
throw new XMLException(e); |
| 504 |
} |
| 505 |
} else if (className.equals((FLyrRaster.class.getName()))) { |
| 506 |
//if (xml.getChild(i).contains("file")) {
|
| 507 |
/*layer = LayerFactory.createLayer(s[i],
|
| 508 |
xml.getChild(i).getStringProperty("driverName"),
|
| 509 |
new File(xml.getChild(i).getStringProperty("file")),
|
| 510 |
this.getFMap().getViewPort().getProjection());*/
|
| 511 |
layer = new FLyrRaster();
|
| 512 |
layer.setName(s[i]); |
| 513 |
if (!xml.getChild(i).contains("proj")) |
| 514 |
((FLyrRaster)layer).setProjection(this.getFMap().getViewPort().getProjection());
|
| 515 |
layer.setXMLEntity(xml.getChild(i)); |
| 516 |
try {
|
| 517 |
layer.load(); |
| 518 |
} catch (DriverIOException e) {
|
| 519 |
throw new XMLException(e); |
| 520 |
} |
| 521 |
|
| 522 |
//} else if (true) {
|
| 523 |
//TODO falta por implementar
|
| 524 |
//} else if (true) {
|
| 525 |
//TODO falta por implementar
|
| 526 |
//}
|
| 527 |
//TODO Falta por implementar
|
| 528 |
} else {
|
| 529 |
// Capas Nuevas (externas)
|
| 530 |
try {
|
| 531 |
Class clase = Class.forName(className); |
| 532 |
layer = (FLayer) clase.newInstance(); |
| 533 |
layer.setName(s[i]); |
| 534 |
layer.setXMLEntity(xml.getChild(i)); |
| 535 |
try {
|
| 536 |
layer.load(); |
| 537 |
} catch (DriverIOException e) {
|
| 538 |
throw new XMLException(e); |
| 539 |
} |
| 540 |
} catch (Exception e) { |
| 541 |
//e.printStackTrace();
|
| 542 |
throw new XMLException(e); |
| 543 |
} |
| 544 |
} |
| 545 |
|
| 546 |
fmap.getLayers().addLayer(layer); |
| 547 |
} |
| 548 |
} catch (DriverException e) {
|
| 549 |
throw new XMLException(e); |
| 550 |
} |
| 551 |
|
| 552 |
} |
| 553 |
|
| 554 |
/**
|
| 555 |
* @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor,
|
| 556 |
* java.util.BitSet)
|
| 557 |
*/
|
| 558 |
public void process(FeatureVisitor visitor, BitSet subset) |
| 559 |
throws DriverException, VisitException {
|
| 560 |
for (Iterator iter = layers.iterator(); iter.hasNext();) { |
| 561 |
FLayer layer = (FLayer) iter.next(); |
| 562 |
|
| 563 |
if (layer instanceof VectorialData) { |
| 564 |
((VectorialData) layer).process(visitor, subset); |
| 565 |
} |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
/**
|
| 570 |
* @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor)
|
| 571 |
*/
|
| 572 |
public void process(FeatureVisitor visitor) |
| 573 |
throws DriverException, VisitException {
|
| 574 |
for (Iterator iter = layers.iterator(); iter.hasNext();) { |
| 575 |
FLayer layer = (FLayer) iter.next(); |
| 576 |
|
| 577 |
if (layer.isActive()) {
|
| 578 |
if (layer instanceof VectorialData) { |
| 579 |
((VectorialData) layer).process(visitor); |
| 580 |
} |
| 581 |
} |
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
/**
|
| 586 |
* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFMap()
|
| 587 |
*/
|
| 588 |
public FMap getFMap() {
|
| 589 |
return fmap;
|
| 590 |
} |
| 591 |
|
| 592 |
/* (non-Javadoc)
|
| 593 |
* @see com.iver.cit.gvsig.fmap.layers.FLayer#setCoordTrans(org.cresques.cts.ICoordTrans)
|
| 594 |
*/
|
| 595 |
public void setCoordTrans(ICoordTrans ct) { |
| 596 |
super.setCoordTrans(ct);
|
| 597 |
|
| 598 |
for (Iterator iter = layers.iterator(); iter.hasNext();) { |
| 599 |
FLayer layer = (FLayer) iter.next(); |
| 600 |
layer.setCoordTrans(ct); |
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
/**
|
| 605 |
* @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllActives(boolean)
|
| 606 |
*/
|
| 607 |
public void setAllActives(boolean active) { |
| 608 |
FLayer lyr; |
| 609 |
|
| 610 |
for (int i = 0; i < layers.size(); i++) { |
| 611 |
lyr = ((FLayer) layers.get(i)); |
| 612 |
lyr.setActive(active); |
| 613 |
|
| 614 |
if (lyr instanceof LayerCollection) { |
| 615 |
((LayerCollection) lyr).setAllActives(active); |
| 616 |
} |
| 617 |
} |
| 618 |
} |
| 619 |
|
| 620 |
/**
|
| 621 |
* @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getActives()
|
| 622 |
*/
|
| 623 |
public FLayer[] getActives() { |
| 624 |
ArrayList ret = new ArrayList(); |
| 625 |
|
| 626 |
for (int i = 0; i < layers.size(); i++) { |
| 627 |
if (((FLayer) layers.get(i)).isActive()) {
|
| 628 |
ret.add(layers.get(i)); |
| 629 |
} |
| 630 |
} |
| 631 |
|
| 632 |
return (FLayer[]) ret.toArray(new FLayer[0]); |
| 633 |
} |
| 634 |
|
| 635 |
/* (non-Javadoc)
|
| 636 |
* @see com.iver.cit.gvsig.fmap.layers.FLayer#getMinScale()
|
| 637 |
*/
|
| 638 |
public double getMinScale() { |
| 639 |
return -1; // La visibilidad o no la controla cada capa |
| 640 |
// dentro de una colecci?n
|
| 641 |
} |
| 642 |
|
| 643 |
/* (non-Javadoc)
|
| 644 |
* @see com.iver.cit.gvsig.fmap.layers.FLayer#getMaxScale()
|
| 645 |
*/
|
| 646 |
public double getMaxScale() { |
| 647 |
return -1; |
| 648 |
} |
| 649 |
public void setMinScale(double minScale) |
| 650 |
{
|
| 651 |
for (Iterator iter = layers.iterator(); iter.hasNext();) { |
| 652 |
FLayer lyr = (FLayer) iter.next(); |
| 653 |
lyr.setMinScale(minScale); |
| 654 |
} |
| 655 |
} |
| 656 |
public void setMaxScale(double maxScale) |
| 657 |
{
|
| 658 |
for (Iterator iter = layers.iterator(); iter.hasNext();) { |
| 659 |
FLayer lyr = (FLayer) iter.next(); |
| 660 |
lyr.setMinScale(maxScale); |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
} |