root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / MapControl.java @ 2531
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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; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.ComponentEvent; |
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import java.awt.event.ComponentListener; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.MouseMotionListener; |
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import java.awt.event.MouseWheelEvent; |
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import java.awt.event.MouseWheelListener; |
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import java.awt.image.BufferedImage; |
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import java.util.HashMap; |
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import javax.swing.JComponent; |
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import javax.swing.Timer; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.ProjectionPool; |
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import com.iver.cit.gvsig.fmap.layers.LayerEvent; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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import com.iver.cit.gvsig.fmap.tools.CompoundBehavior; |
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import com.iver.cit.gvsig.fmap.tools.Behavior.Behavior; |
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import com.iver.utiles.exceptionHandling.ExceptionHandlingSupport; |
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import com.iver.utiles.exceptionHandling.ExceptionListener; |
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/**
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* MapControl.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class MapControl extends JComponent implements ComponentListener { |
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/** Cuando la vista est? actualizada. */
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public static final int ACTUALIZADO = 0; |
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/** Cuando la vista est? desactualizada. */
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public static final int DESACTUALIZADO = 1; |
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//private static Logger logger = Logger.getLogger(MapControl.class.getName());
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private FMap mapContext = null; |
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private HashMap namesMapTools = new HashMap(); |
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private Behavior currentMapTool = null; |
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private int status = DESACTUALIZADO; |
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private BufferedImage image = null; |
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private String currentTool; |
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private CancelDraw canceldraw;
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private boolean isCancelled = true; |
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private Timer timer; |
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protected ViewPort vp;
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private Drawer drawer;
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private MapToolListener mapToolListener = new MapToolListener(); |
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private MapContextListener mapContextListener = new MapContextListener(); |
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private ExceptionHandlingSupport exceptionHandlingSupport = new ExceptionHandlingSupport(); |
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/**
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* Crea un nuevo NewMapControl.
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*/
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public MapControl() {
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setDoubleBuffered(false);
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setOpaque(true);
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status = DESACTUALIZADO; |
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//Clase usada para cancelar el dibujado
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canceldraw = new CancelDraw();
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//Modelo de datos y ventana del mismo
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// TODO: Cuando creamos un mapControl, deber?amos asignar
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// la projecci?n por defecto con la que vayamos a trabajar.
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// 23030 es el c?digo EPSG del UTM30 elipsoide ED50
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vp = new ViewPort(ProjectionPool.get("EPSG:23030")); |
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setMapContext(new FMap(vp));
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//eventos
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this.addComponentListener(this); |
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this.addMouseListener(mapToolListener);
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this.addMouseMotionListener(mapToolListener);
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this.addMouseWheelListener(mapToolListener);
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//Timer para mostrar el redibujado mientras se dibuja
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timer = new Timer(300, |
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new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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MapControl.this.repaint(); |
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} |
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}); |
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} |
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/**
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* Inserta el modelo.
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*
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* @param model FMap.
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*/
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public void setMapContext(FMap model) { |
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if (mapContext != null) { |
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mapContext.removeAtomicEventListener(mapContextListener); |
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} |
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mapContext = model; |
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if (mapContext.getViewPort() == null) { |
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mapContext.setViewPort(vp); |
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} else {
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vp = mapContext.getViewPort(); |
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// vp.setImageSize(new Dimension(getWidth(), getHeight()));
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//System.err.println("Viewport en setMapContext:" + vp);
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} |
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mapContext.addAtomicEventListener(mapContextListener); |
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status = DESACTUALIZADO; |
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} |
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/**
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* Devuelve la proyecci?n.
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*
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* @return Proyecci?n.
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*/
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public IProjection getProjection() {
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return getMapContext().getProjection();
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} |
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/**
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* Inserta una proyecci?n.
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*
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* @param proj Proyecci?n.
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*/
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public void setProjection(IProjection proj) { |
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getMapContext().setProjection(proj); |
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} |
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/**
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* Devuelve el modelo.
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*
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* @return FMap.
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*/
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public FMap getMapContext() {
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return mapContext;
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} |
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/**
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* Registra una herramienta (tool).
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*
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* @param name Nombre de la herramienta.
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* @param tool Herramienta.
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*/
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public void addMapTool(String name, Behavior tool) { |
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namesMapTools.put(name, tool); |
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tool.setMapControl(this);
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} |
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public void addMapTool(String name, Behavior[] tools){ |
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CompoundBehavior tool = new CompoundBehavior(tools);
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addMapTool(name, tool); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param toolName DOCUMENT ME!
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*/
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public void setTool(String toolName) { |
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Behavior mapTool = (Behavior) namesMapTools.get(toolName); |
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currentMapTool = mapTool; |
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currentTool = toolName; |
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this.setCursor(mapTool.getCursor());
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} |
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/**
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* Devuelve el nombre de la herramienta seleccionada.
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*
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* @return nombre.
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*/
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public String getTool() { |
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return currentTool;
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} |
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/**
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* Cancela el dibujado. Se espera a que la cancelaci?n surta efecto
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*/
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public void cancelDrawing() { |
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if (drawer != null) { |
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if (!drawer.isAlive()) {
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return;
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} |
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} |
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canceldraw.setCancel(true);
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while (!isCancelled) {
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if (!drawer.isAlive()) {
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// Si hemos llegado aqu? con un thread vivo, seguramente
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// no estamos actualizados.
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break;
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} |
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} |
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canceldraw.setCancel(false);
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isCancelled = false;
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} |
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/**
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* @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
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*/
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protected void paintComponent(Graphics g) { |
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if (status == ACTUALIZADO) {
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// LWS logger.debug("Dibujando la imagen obtenida");
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/*
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* Si hay un behaviour y la imagen es distinta de null se delega el dibujado
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* en dicho behaviour
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*/
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if ((currentMapTool != null) && (image != null)) { |
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currentMapTool.paintComponent(g); |
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// LWS System.out.println("Pinto ACTUALIZADO");
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} |
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} else if (status == DESACTUALIZADO) { |
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// LWS System.out.println("DESACTUALIZADO: Obteniendo la imagen de la cartograf?a");
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/* if (isOpaque())
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{
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if (image==null)
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{
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g.setColor(vp.getBackColor());
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g.fillRect(0,0,getWidth(), getHeight());
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}
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// else g.drawImage(image,0,0,null);
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} */
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//Se crea la imagen con el color de fonde deseado
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if (image == null) |
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{
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image = new BufferedImage(this.getWidth(), this.getHeight(), |
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BufferedImage.TYPE_INT_ARGB);
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vp.setImageSize(new Dimension(getWidth(), getHeight())); |
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Graphics gTemp = image.createGraphics();
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Color theBackColor = vp.getBackColor();
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if (theBackColor == null) |
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gTemp.setColor(Color.WHITE);
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else
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gTemp.setColor(theBackColor); |
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gTemp.fillRect(0,0,getWidth(), getHeight()); |
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gTemp.dispose(); |
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// g.drawImage(image,0,0,null);
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System.out.println("Imagen con null en DESACTUALIZADO"); |
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} |
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g.drawImage(image,0,0,null); |
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Graphics imgg = image.createGraphics();
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//Se cancela el dibujado anterior
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cancelDrawing(); |
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drawer = new Drawer(image, (Graphics2D) imgg, canceldraw); |
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drawer.start(); |
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//Se lanza el tread de dibujado
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timer.start(); |
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status = ACTUALIZADO; |
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// repaint();
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} |
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} |
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/**
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* Devuelve la imagen de la vista.
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*
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* @return imagen.
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*/
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public BufferedImage getImage() { |
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return image;
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} |
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/**
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* Marca el mapa para que en el pr?ximo redibujado se acceda a la
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* cartograf?a para reobtener la imagen
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* @param doClear TODO
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*/
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public void drawMap(boolean doClear) { |
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status = DESACTUALIZADO; |
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if (doClear) image = null; // Se usa para el PAN |
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repaint(); |
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} |
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/**
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* @see java.awt.event.ComponentListener#componentHidden(java.awt.event.ComponentEvent)
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*/
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public void componentHidden(ComponentEvent e) { |
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} |
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/**
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* @see java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent)
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*/
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public void componentMoved(ComponentEvent e) { |
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} |
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/**
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* @see java.awt.event.ComponentListener#componentResized(java.awt.event.ComponentEvent)
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*/
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public void componentResized(ComponentEvent e) { |
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/* image = new BufferedImage(this.getWidth(), this.getHeight(),
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BufferedImage.TYPE_INT_ARGB);
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Graphics gTemp = image.createGraphics();
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gTemp.setColor(vp.getBackColor());
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gTemp.fillRect(0,0,getWidth(), getHeight()); */
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image = null;
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vp.setImageSize(new Dimension(getWidth(), getHeight())); |
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getMapContext().getViewPort().setScale(); |
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drawMap(false);
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} |
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/**
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* @see java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent)
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*/
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public void componentShown(ComponentEvent e) { |
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} |
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/**
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* A?ade un listener de tipo ExceptionListener.
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*
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* @param o ExceptionListener.
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*/
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public void addExceptionListener(ExceptionListener o) { |
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exceptionHandlingSupport.addExceptionListener(o); |
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} |
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/**
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* Borra la ExceptioListener que se pasa como par?metro.
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*
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* @param o ExceptionListener.
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*
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* @return True si se borra correctamente.
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*/
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public boolean removeExceptionListener(ExceptionListener o) { |
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return exceptionHandlingSupport.removeExceptionListener(o);
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} |
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/**
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* Lanza una Excepci?n.
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*
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* @param t Excepci?n.
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*/
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private void throwException(Throwable t) { |
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exceptionHandlingSupport.throwException(t); |
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} |
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/**
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* Clase utilizada para dibujar las capas.
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*
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* @author Vicente Caballero Navarro
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*/
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public class Drawer extends Thread { |
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//private Graphics g;
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private BufferedImage image; |
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private CancelDraw cancel;
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//private boolean threadCancel = false;
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/**
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* Crea un nuevo Drawer.
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*
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* @param image
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* @param g
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* @param cancel
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*/
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public Drawer(BufferedImage image, Graphics g, CancelDraw cancel) { |
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//this.g = g;
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this.image = image;
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this.cancel = cancel;
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} |
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/**
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* @see java.lang.Runnable#run()
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*/
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public void run() { |
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try {
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synchronized (Drawer.class) {
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Graphics2D g = image.createGraphics();
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ViewPort viewPort = mapContext.getViewPort(); |
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Color theBackColor = viewPort.getBackColor();
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if (theBackColor == null) |
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g.setColor(Color.WHITE);
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else
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g.setColor(theBackColor); |
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g.fillRect(0, 0, viewPort.getImageWidth(), viewPort.getImageHeight()); |
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mapContext.draw(image, g, cancel,mapContext.getScaleView()); |
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isCancelled = true;
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timer.stop(); |
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repaint(); |
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} |
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} catch (Throwable e) { |
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timer.stop(); |
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isCancelled = true;
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throwException(e); |
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} finally {
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} |
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} |
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} |
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/**
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* Clase para cancelar el dibujado.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class CancelDraw implements Cancellable { |
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private boolean cancel = false; |
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/**
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* Crea un nuevo CancelDraw.
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*/
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public CancelDraw() {
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} |
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/**
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* Insertar si se debe cancelar el dibujado.
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*
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* @param b true si se debe cancelar el dibujado.
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*/
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public void setCancel(boolean b) { |
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cancel = b; |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.Cancellable#isCanceled()
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*/
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public boolean isCanceled() { |
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return cancel;
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} |
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} |
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/**
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* Listener del MapTool.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class MapToolListener implements MouseListener, MouseWheelListener, |
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MouseMotionListener {
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/**
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* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
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*/
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public void mouseClicked(MouseEvent e) { |
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try {
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currentMapTool.mouseClicked(e); |
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} catch (BehaviorException t) {
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throwException(t); |
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} |
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} |
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/**
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* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
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*/
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public void mouseEntered(MouseEvent e) { |
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try {
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currentMapTool.mouseEntered(e); |
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} catch (BehaviorException t) {
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throwException(t); |
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} |
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} |
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/**
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* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
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*/
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public void mouseExited(MouseEvent e) { |
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try {
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currentMapTool.mouseExited(e); |
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} catch (BehaviorException t) {
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throwException(t); |
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} |
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} |
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/**
|
| 521 |
* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
|
| 522 |
*/
|
| 523 |
public void mousePressed(MouseEvent e) { |
| 524 |
try {
|
| 525 |
currentMapTool.mousePressed(e); |
| 526 |
} catch (BehaviorException t) {
|
| 527 |
throwException(t); |
| 528 |
} |
| 529 |
} |
| 530 |
|
| 531 |
/**
|
| 532 |
* @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
|
| 533 |
*/
|
| 534 |
public void mouseReleased(MouseEvent e) { |
| 535 |
try {
|
| 536 |
currentMapTool.mouseReleased(e); |
| 537 |
} catch (BehaviorException t) {
|
| 538 |
throwException(t); |
| 539 |
} |
| 540 |
} |
| 541 |
|
| 542 |
/**
|
| 543 |
* @see java.awt.event.MouseWheelListener#mouseWheelMoved(java.awt.event.MouseWheelEvent)
|
| 544 |
*/
|
| 545 |
public void mouseWheelMoved(MouseWheelEvent e) { |
| 546 |
try {
|
| 547 |
currentMapTool.mouseWheelMoved(e); |
| 548 |
} catch (BehaviorException t) {
|
| 549 |
throwException(t); |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
/**
|
| 554 |
* @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
|
| 555 |
*/
|
| 556 |
public void mouseDragged(MouseEvent e) { |
| 557 |
try {
|
| 558 |
currentMapTool.mouseDragged(e); |
| 559 |
} catch (BehaviorException t) {
|
| 560 |
throwException(t); |
| 561 |
} |
| 562 |
} |
| 563 |
|
| 564 |
/**
|
| 565 |
* @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
|
| 566 |
*/
|
| 567 |
public void mouseMoved(MouseEvent e) { |
| 568 |
try {
|
| 569 |
currentMapTool.mouseMoved(e); |
| 570 |
} catch (BehaviorException t) {
|
| 571 |
throwException(t); |
| 572 |
} |
| 573 |
} |
| 574 |
} |
| 575 |
|
| 576 |
/**
|
| 577 |
* Listener sobre el MapContext.
|
| 578 |
*
|
| 579 |
* @author Fernando Gonz?lez Cort?s
|
| 580 |
*/
|
| 581 |
public class MapContextListener implements AtomicEventListener { |
| 582 |
/**
|
| 583 |
* @see com.iver.cit.gvsig.fmap.AtomicEventListener#atomicEvent(com.iver.cit.gvsig.fmap.AtomicEvent)
|
| 584 |
*/
|
| 585 |
public void atomicEvent(AtomicEvent e) { |
| 586 |
boolean redraw = false; |
| 587 |
LayerEvent[] layerEvents = e.getLayerEvents();
|
| 588 |
|
| 589 |
for (int i = 0; i < layerEvents.length; i++) { |
| 590 |
if (layerEvents[i].getProperty().equals("visible")) { |
| 591 |
redraw = true;
|
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
if (e.getColorEvents().length > 0) { |
| 596 |
redraw = true;
|
| 597 |
} |
| 598 |
|
| 599 |
if (e.getExtentEvents().length > 0) { |
| 600 |
redraw = true;
|
| 601 |
} |
| 602 |
|
| 603 |
if (e.getLayerCollectionEvents().length > 0) { |
| 604 |
redraw = true;
|
| 605 |
} |
| 606 |
|
| 607 |
if (e.getLegendEvents().length > 0) { |
| 608 |
redraw = true;
|
| 609 |
} |
| 610 |
|
| 611 |
if (e.getSelectionEvents().length > 0) { |
| 612 |
redraw = true;
|
| 613 |
} |
| 614 |
|
| 615 |
if (redraw) {
|
| 616 |
MapControl.this.drawMap(false);
|
| 617 |
} |
| 618 |
} |
| 619 |
} |
| 620 |
public ViewPort getViewPort() {
|
| 621 |
return vp;
|
| 622 |
} |
| 623 |
} |