svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / MapControl.java @ 1223
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1 | 1223 | fernando | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package com.iver.cit.gvsig.fmap; |
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42 | |||
43 | import java.awt.Dimension; |
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44 | import java.awt.Graphics; |
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45 | import java.awt.Graphics2D; |
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46 | import java.awt.event.ActionEvent; |
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47 | import java.awt.event.ActionListener; |
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48 | import java.awt.event.ComponentEvent; |
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49 | import java.awt.event.ComponentListener; |
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50 | import java.awt.event.MouseEvent; |
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51 | import java.awt.event.MouseListener; |
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52 | import java.awt.event.MouseMotionListener; |
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53 | import java.awt.event.MouseWheelEvent; |
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54 | import java.awt.event.MouseWheelListener; |
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55 | import java.awt.image.BufferedImage; |
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56 | import java.util.HashMap; |
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57 | |||
58 | import javax.swing.JComponent; |
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59 | import javax.swing.Timer; |
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60 | |||
61 | import org.apache.log4j.Logger; |
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62 | import org.cresques.cts.IProjection; |
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63 | import org.cresques.cts.ProjectionPool; |
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64 | |||
65 | import com.iver.cit.gvsig.fmap.layers.LayerEvent; |
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66 | import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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67 | import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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68 | import com.iver.cit.gvsig.fmap.tools.CompoundBehavior; |
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69 | import com.iver.cit.gvsig.fmap.tools.Behavior.Behavior; |
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70 | import com.iver.utiles.exceptionHandling.ExceptionHandlingSupport; |
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71 | import com.iver.utiles.exceptionHandling.ExceptionListener; |
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72 | |||
73 | |||
74 | /**
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75 | * MapControl.
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76 | *
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77 | * @author Fernando Gonz?lez Cort?s
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78 | */
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79 | public class MapControl extends JComponent implements ComponentListener { |
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80 | /** Cuando la vista est? actualizada. */
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81 | public static final int ACTUALIZADO = 0; |
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82 | |||
83 | /** Cuando la vista est? desactualizada. */
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84 | public static final int DESACTUALIZADO = 1; |
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85 | private static Logger logger = Logger.getLogger(MapControl.class.getName()); |
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86 | private FMap mapContext = null; |
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87 | private HashMap namesMapTools = new HashMap(); |
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88 | private Behavior currentMapTool = null; |
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89 | private int status = DESACTUALIZADO; |
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90 | private BufferedImage image = null; |
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91 | private String currentTool; |
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92 | private CancelDraw canceldraw;
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93 | private boolean isCancelled = true; |
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94 | private Timer timer; |
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95 | protected ViewPort vp;
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96 | private Drawer drawer;
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97 | private MapToolListener mapToolListener = new MapToolListener(); |
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98 | private MapContextListener mapContextListener = new MapContextListener(); |
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99 | private ExceptionHandlingSupport exceptionHandlingSupport = new ExceptionHandlingSupport(); |
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100 | |||
101 | /**
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102 | * Crea un nuevo NewMapControl.
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103 | */
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104 | public MapControl() {
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105 | setDoubleBuffered(false);
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106 | setOpaque(true);
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107 | status = DESACTUALIZADO; |
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108 | |||
109 | //Clase usada para cancelar el dibujado
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110 | canceldraw = new CancelDraw();
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111 | |||
112 | //Modelo de datos y ventana del mismo
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113 | // TODO: Cuando creamos un mapControl, deber?amos asignar
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114 | // la projecci?n por defecto con la que vayamos a trabajar.
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115 | // 23030 es el c?digo EPSG del UTM30 elipsoide ED50
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116 | vp = new ViewPort(ProjectionPool.get("EPSG:23030")); |
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117 | setMapContext(new FMap(vp));
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118 | |||
119 | //eventos
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120 | this.addComponentListener(this); |
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121 | this.addMouseListener(mapToolListener);
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122 | this.addMouseMotionListener(mapToolListener);
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123 | this.addMouseWheelListener(mapToolListener);
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124 | |||
125 | //Timer para mostrar el redibujado mientras se dibuja
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126 | timer = new Timer(300, |
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127 | new ActionListener() { |
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128 | public void actionPerformed(ActionEvent e) { |
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129 | MapControl.this.repaint(); |
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130 | } |
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131 | }); |
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132 | } |
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133 | |||
134 | /**
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135 | * Inserta el modelo.
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136 | *
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137 | * @param model FMap.
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138 | */
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139 | public void setMapContext(FMap model) { |
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140 | if (mapContext != null) { |
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141 | mapContext.removeAtomicEventListener(mapContextListener); |
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142 | } |
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143 | |||
144 | mapContext = model; |
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145 | |||
146 | if (mapContext.getViewPort() == null) { |
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147 | mapContext.setViewPort(vp); |
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148 | } else {
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149 | vp = mapContext.getViewPort(); |
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150 | |||
151 | // vp.setImageSize(new Dimension(getWidth(), getHeight()));
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152 | //System.err.println("Viewport en setMapContext:" + vp);
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153 | } |
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154 | |||
155 | mapContext.addAtomicEventListener(mapContextListener); |
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156 | |||
157 | status = DESACTUALIZADO; |
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158 | } |
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159 | |||
160 | /**
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161 | * Devuelve la proyecci?n.
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162 | *
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163 | * @return Proyecci?n.
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164 | */
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165 | public IProjection getProjection() {
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166 | return getMapContext().getProjection();
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167 | } |
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168 | |||
169 | /**
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170 | * Inserta una proyecci?n.
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171 | *
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172 | * @param proj Proyecci?n.
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173 | */
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174 | public void setProjection(IProjection proj) { |
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175 | getMapContext().setProjection(proj); |
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176 | } |
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177 | |||
178 | /**
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179 | * Devuelve el modelo.
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180 | *
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181 | * @return FMap.
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182 | */
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183 | public FMap getMapContext() {
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184 | return mapContext;
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185 | } |
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186 | |||
187 | /**
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188 | * Registra una herramienta (tool).
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189 | *
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190 | * @param name Nombre de la herramienta.
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191 | * @param tool Herramienta.
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192 | */
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193 | public void addMapTool(String name, Behavior tool) { |
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194 | namesMapTools.put(name, tool); |
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195 | tool.setMapControl(this);
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196 | } |
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197 | |||
198 | public void addMapTool(String name, Behavior[] tools){ |
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199 | CompoundBehavior tool = new CompoundBehavior(tools);
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200 | addMapTool(name, tool); |
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201 | } |
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202 | |||
203 | /**
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204 | * DOCUMENT ME!
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205 | *
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206 | * @param toolName DOCUMENT ME!
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207 | */
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208 | public void setTool(String toolName) { |
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209 | Behavior mapTool = (Behavior) namesMapTools.get(toolName); |
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210 | currentMapTool = mapTool; |
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211 | currentTool = toolName; |
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212 | this.setCursor(mapTool.getCursor());
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213 | } |
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214 | |||
215 | /**
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216 | * Devuelve el nombre de la herramienta seleccionada.
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217 | *
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218 | * @return nombre.
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219 | */
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220 | public String getTool() { |
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221 | return currentTool;
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222 | } |
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223 | |||
224 | /**
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225 | * Cancela el dibujado. Se espera a que la cancelaci?n surta efecto
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226 | */
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227 | public void cancelDrawing() { |
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228 | if (drawer != null) { |
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229 | if (!drawer.isAlive()) {
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230 | return;
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231 | } |
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232 | } |
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233 | |||
234 | canceldraw.setCancel(true);
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235 | |||
236 | while (!isCancelled) {
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237 | } |
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238 | |||
239 | canceldraw.setCancel(false);
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240 | isCancelled = false;
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241 | } |
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242 | |||
243 | /**
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244 | * @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
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245 | */
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246 | protected void paintComponent(Graphics g) { |
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247 | |||
248 | if (status == ACTUALIZADO) {
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249 | logger.debug("Dibujando la imagen obtenida");
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250 | |||
251 | /*
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252 | * Si hay un behaviour y la imagen es distinta de null se delega el dibujado
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253 | * en dicho behaviour
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254 | */
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255 | if ((currentMapTool != null) && (image != null)) { |
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256 | currentMapTool.paintComponent(g); |
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257 | System.out.println("Pinto ACTUALIZADO"); |
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258 | } |
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259 | } else if (status == DESACTUALIZADO) { |
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260 | System.out.println("DESACTUALIZADO: Obteniendo la imagen de la cartograf?a"); |
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261 | /* if (isOpaque())
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262 | {
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263 | if (image==null)
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264 | {
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265 | g.setColor(vp.getBackColor());
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266 | g.fillRect(0,0,getWidth(), getHeight());
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267 | }
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268 | // else g.drawImage(image,0,0,null);
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269 | } */
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270 | |||
271 | //Se cancela el dibujado anterior
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272 | cancelDrawing(); |
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273 | |||
274 | //Se crea la imagen con el color de fonde deseado
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275 | if (image == null) |
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276 | { |
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277 | image = new BufferedImage(this.getWidth(), this.getHeight(), |
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278 | BufferedImage.TYPE_INT_ARGB);
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279 | vp.setImageSize(new Dimension(getWidth(), getHeight())); |
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280 | Graphics gTemp = image.createGraphics();
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281 | gTemp.setColor(vp.getBackColor()); |
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282 | gTemp.fillRect(0,0,getWidth(), getHeight()); |
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283 | gTemp.dispose(); |
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284 | // g.drawImage(image,0,0,null);
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285 | System.out.println("Imagen con null en DESACTUALIZADO"); |
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286 | } |
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287 | g.drawImage(image,0,0,null); |
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288 | |||
289 | Graphics imgg = image.createGraphics();
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290 | |||
291 | //Se lanza el tread de dibujado
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292 | drawer = new Drawer(image, (Graphics2D) imgg, canceldraw); |
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293 | drawer.start(); |
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294 | timer.start(); |
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295 | status = ACTUALIZADO; |
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296 | |||
297 | // repaint();
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298 | } |
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299 | } |
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300 | |||
301 | /**
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302 | * Devuelve la imagen de la vista.
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303 | *
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304 | * @return imagen.
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305 | */
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306 | public BufferedImage getImage() { |
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307 | return image;
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308 | } |
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309 | |||
310 | /**
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311 | * Marca el mapa para que en el pr?ximo redibujado se acceda a la
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312 | * cartograf?a para reobtener la imagen
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313 | * @param doClear TODO
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314 | */
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315 | public void drawMap(boolean doClear) { |
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316 | status = DESACTUALIZADO; |
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317 | if (doClear) image = null; // Se usa para el PAN |
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318 | repaint(); |
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319 | } |
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320 | |||
321 | /**
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322 | * @see java.awt.event.ComponentListener#componentHidden(java.awt.event.ComponentEvent)
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323 | */
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324 | public void componentHidden(ComponentEvent e) { |
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325 | } |
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326 | |||
327 | /**
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328 | * @see java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent)
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329 | */
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330 | public void componentMoved(ComponentEvent e) { |
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331 | } |
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332 | |||
333 | /**
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334 | * @see java.awt.event.ComponentListener#componentResized(java.awt.event.ComponentEvent)
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335 | */
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336 | public void componentResized(ComponentEvent e) { |
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337 | /* image = new BufferedImage(this.getWidth(), this.getHeight(),
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338 | BufferedImage.TYPE_INT_ARGB);
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339 | Graphics gTemp = image.createGraphics();
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340 | gTemp.setColor(vp.getBackColor());
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341 | gTemp.fillRect(0,0,getWidth(), getHeight()); */
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342 | image = null;
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343 | vp.setImageSize(new Dimension(getWidth(), getHeight())); |
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344 | getMapContext().getViewPort().setScale(); |
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345 | drawMap(false);
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346 | } |
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347 | |||
348 | /**
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349 | * @see java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent)
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350 | */
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351 | public void componentShown(ComponentEvent e) { |
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352 | } |
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353 | |||
354 | /**
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355 | * A?ade un listener de tipo ExceptionListener.
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356 | *
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357 | * @param o ExceptionListener.
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358 | */
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359 | public void addExceptionListener(ExceptionListener o) { |
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360 | exceptionHandlingSupport.addExceptionListener(o); |
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361 | } |
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362 | |||
363 | /**
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364 | * Borra la ExceptioListener que se pasa como par?metro.
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365 | *
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366 | * @param o ExceptionListener.
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367 | *
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368 | * @return True si se borra correctamente.
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369 | */
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370 | public boolean removeExceptionListener(ExceptionListener o) { |
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371 | return exceptionHandlingSupport.removeExceptionListener(o);
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372 | } |
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373 | |||
374 | /**
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375 | * Lanza una Excepci?n.
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376 | *
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377 | * @param t Excepci?n.
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378 | */
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379 | private void throwException(Throwable t) { |
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380 | exceptionHandlingSupport.throwException(t); |
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381 | } |
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382 | |||
383 | /**
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384 | * Clase utilizada para dibujar las capas.
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385 | *
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386 | * @author Vicente Caballero Navarro
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387 | */
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388 | public class Drawer extends Thread { |
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389 | private Graphics g; |
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390 | private BufferedImage image; |
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391 | private CancelDraw cancel;
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392 | private boolean threadCancel = false; |
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393 | |||
394 | /**
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395 | * Crea un nuevo Drawer.
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396 | *
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397 | * @param image
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398 | * @param g
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399 | * @param cancel
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400 | */
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401 | public Drawer(BufferedImage image, Graphics g, CancelDraw cancel) { |
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402 | this.g = g;
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403 | this.image = image;
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404 | this.cancel = cancel;
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405 | } |
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406 | |||
407 | /**
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408 | * @see java.lang.Runnable#run()
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409 | */
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410 | public void run() { |
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411 | try {
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412 | synchronized (Drawer.class) {
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413 | mapContext.draw(image, (Graphics2D) image.getGraphics(),
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414 | cancel); |
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415 | timer.stop(); |
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416 | isCancelled = true;
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417 | repaint(); |
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418 | } |
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419 | } catch (Throwable e) { |
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420 | throwException(e); |
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421 | } finally {
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422 | } |
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423 | } |
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424 | } |
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425 | |||
426 | /**
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427 | * Clase para cancelar el dibujado.
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428 | *
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429 | * @author Fernando Gonz?lez Cort?s
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430 | */
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431 | public class CancelDraw implements Cancellable { |
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432 | private boolean cancel = false; |
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433 | |||
434 | /**
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435 | * Crea un nuevo CancelDraw.
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436 | */
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437 | public CancelDraw() {
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438 | } |
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439 | |||
440 | /**
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441 | * Insertar si se debe cancelar el dibujado.
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442 | *
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443 | * @param b true si se debe cancelar el dibujado.
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444 | */
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445 | public void setCancel(boolean b) { |
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446 | cancel = b; |
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447 | } |
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448 | |||
449 | /**
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450 | * @see com.iver.cit.gvsig.fmap.operations.Cancellable#isCanceled()
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451 | */
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452 | public boolean isCanceled() { |
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453 | return cancel;
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454 | } |
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455 | } |
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456 | |||
457 | /**
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458 | * Listener del MapTool.
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459 | *
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460 | * @author Fernando Gonz?lez Cort?s
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461 | */
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462 | public class MapToolListener implements MouseListener, MouseWheelListener, |
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463 | MouseMotionListener {
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464 | /**
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465 | * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
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466 | */
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467 | public void mouseClicked(MouseEvent e) { |
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468 | try {
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469 | currentMapTool.mouseClicked(e); |
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470 | } catch (BehaviorException t) {
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471 | throwException(t); |
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472 | } |
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473 | } |
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474 | |||
475 | /**
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476 | * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
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477 | */
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478 | public void mouseEntered(MouseEvent e) { |
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479 | try {
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480 | currentMapTool.mouseEntered(e); |
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481 | } catch (BehaviorException t) {
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482 | throwException(t); |
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483 | } |
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484 | } |
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485 | |||
486 | /**
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487 | * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
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488 | */
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489 | public void mouseExited(MouseEvent e) { |
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490 | try {
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491 | currentMapTool.mouseExited(e); |
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492 | } catch (BehaviorException t) {
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493 | throwException(t); |
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494 | } |
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495 | } |
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496 | |||
497 | /**
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498 | * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
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499 | */
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500 | public void mousePressed(MouseEvent e) { |
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501 | try {
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502 | currentMapTool.mousePressed(e); |
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503 | } catch (BehaviorException t) {
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504 | throwException(t); |
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505 | } |
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506 | } |
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507 | |||
508 | /**
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509 | * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
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510 | */
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511 | public void mouseReleased(MouseEvent e) { |
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512 | try {
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513 | currentMapTool.mouseReleased(e); |
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514 | } catch (BehaviorException t) {
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515 | throwException(t); |
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516 | } |
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517 | } |
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518 | |||
519 | /**
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520 | * @see java.awt.event.MouseWheelListener#mouseWheelMoved(java.awt.event.MouseWheelEvent)
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521 | */
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522 | public void mouseWheelMoved(MouseWheelEvent e) { |
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523 | try {
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524 | currentMapTool.mouseWheelMoved(e); |
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525 | } catch (BehaviorException t) {
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526 | throwException(t); |
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527 | } |
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528 | } |
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529 | |||
530 | /**
|
||
531 | * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
|
||
532 | */
|
||
533 | public void mouseDragged(MouseEvent e) { |
||
534 | try {
|
||
535 | currentMapTool.mouseDragged(e); |
||
536 | } catch (BehaviorException t) {
|
||
537 | throwException(t); |
||
538 | } |
||
539 | } |
||
540 | |||
541 | /**
|
||
542 | * @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
|
||
543 | */
|
||
544 | public void mouseMoved(MouseEvent e) { |
||
545 | try {
|
||
546 | currentMapTool.mouseMoved(e); |
||
547 | } catch (BehaviorException t) {
|
||
548 | throwException(t); |
||
549 | } |
||
550 | } |
||
551 | } |
||
552 | |||
553 | /**
|
||
554 | * Listener sobre el MapContext.
|
||
555 | *
|
||
556 | * @author Fernando Gonz?lez Cort?s
|
||
557 | */
|
||
558 | public class MapContextListener implements AtomicEventListener { |
||
559 | /**
|
||
560 | * @see com.iver.cit.gvsig.fmap.AtomicEventListener#atomicEvent(com.iver.cit.gvsig.fmap.AtomicEvent)
|
||
561 | */
|
||
562 | public void atomicEvent(AtomicEvent e) { |
||
563 | boolean redraw = false; |
||
564 | LayerEvent[] layerEvents = e.getLayerEvents();
|
||
565 | |||
566 | for (int i = 0; i < layerEvents.length; i++) { |
||
567 | if (layerEvents[i].getProperty().equals("visible")) { |
||
568 | redraw = true;
|
||
569 | } |
||
570 | } |
||
571 | |||
572 | if (e.getColorEvents().length > 0) { |
||
573 | redraw = true;
|
||
574 | } |
||
575 | |||
576 | if (e.getExtentEvents().length > 0) { |
||
577 | redraw = true;
|
||
578 | } |
||
579 | |||
580 | if (e.getLayerCollectionEvents().length > 0) { |
||
581 | redraw = true;
|
||
582 | } |
||
583 | |||
584 | if (e.getLegendEvents().length > 0) { |
||
585 | redraw = true;
|
||
586 | } |
||
587 | |||
588 | if (e.getSelectionEvents().length > 0) { |
||
589 | redraw = true;
|
||
590 | } |
||
591 | |||
592 | if (redraw) {
|
||
593 | MapControl.this.drawMap(false);
|
||
594 | } |
||
595 | } |
||
596 | } |
||
597 | public ViewPort getViewPort() {
|
||
598 | return vp;
|
||
599 | } |
||
600 | } |