svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / MapContext.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.mapcontext; |
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25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Graphics; |
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28 | import java.awt.Graphics2D; |
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29 | import java.awt.geom.Rectangle2D; |
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30 | import java.awt.image.BufferedImage; |
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31 | import java.text.MessageFormat; |
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32 | import java.util.ArrayList; |
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33 | import java.util.List; |
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34 | |||
35 | import org.cresques.cts.ICoordTrans; |
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36 | import org.cresques.cts.IProjection; |
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37 | import org.cresques.geo.Projected; |
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38 | import org.slf4j.Logger; |
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39 | import org.slf4j.LoggerFactory; |
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40 | |||
41 | import org.gvsig.compat.CompatLocator; |
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42 | import org.gvsig.compat.print.PrintAttributes; |
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43 | import org.gvsig.fmap.dal.exception.ReadException; |
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44 | import org.gvsig.fmap.dal.feature.FeatureStoreNotification; |
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45 | import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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46 | import org.gvsig.fmap.geom.GeometryLocator; |
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47 | import org.gvsig.fmap.geom.GeometryManager; |
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48 | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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49 | import org.gvsig.fmap.geom.primitive.Envelope; |
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50 | import org.gvsig.fmap.mapcontext.events.ErrorEvent; |
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51 | import org.gvsig.fmap.mapcontext.events.listeners.AtomicEventListener; |
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52 | import org.gvsig.fmap.mapcontext.events.listeners.ErrorListener; |
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53 | import org.gvsig.fmap.mapcontext.events.listeners.EventBuffer; |
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54 | import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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55 | import org.gvsig.fmap.mapcontext.layers.CancelationException; |
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56 | import org.gvsig.fmap.mapcontext.layers.FLayer; |
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57 | import org.gvsig.fmap.mapcontext.layers.FLayers; |
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58 | import org.gvsig.fmap.mapcontext.layers.LayerCollectionEvent; |
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59 | import org.gvsig.fmap.mapcontext.layers.LayerCollectionListener; |
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60 | import org.gvsig.fmap.mapcontext.layers.LayerDrawEvent; |
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61 | import org.gvsig.fmap.mapcontext.layers.LayerDrawingListener; |
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62 | import org.gvsig.fmap.mapcontext.layers.LayerPositionEvent; |
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63 | import org.gvsig.fmap.mapcontext.layers.operations.Classifiable; |
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64 | import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer; |
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65 | import org.gvsig.fmap.mapcontext.layers.vectorial.GraphicLayer; |
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66 | import org.gvsig.fmap.mapcontext.rendering.legend.events.listeners.LegendListener; |
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67 | import org.gvsig.fmap.mapcontext.rendering.strategies.SelectedEnvelopeVisitor; |
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68 | import org.gvsig.tools.ToolsLocator; |
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69 | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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70 | import org.gvsig.tools.dynobject.DynStruct; |
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71 | import org.gvsig.tools.exception.BaseException; |
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72 | import org.gvsig.tools.observer.Observable; |
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73 | import org.gvsig.tools.observer.Observer; |
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74 | import org.gvsig.tools.persistence.PersistenceManager; |
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75 | import org.gvsig.tools.persistence.Persistent; |
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76 | import org.gvsig.tools.persistence.PersistentState; |
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77 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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78 | import org.gvsig.tools.task.Cancellable; |
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79 | import org.gvsig.tools.visitor.Visitor; |
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80 | |||
81 | |||
82 | /**
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83 | * <p>The <code>MapContext</code> class represents the model and a part of the control and view around graphical layers
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84 | * used by {@link MapControl MapControl}.</p>
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85 | *
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86 | * <p>An instance of <code>MapContext</code> is made up with:
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87 | * <ul>
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88 | * <li>a hierarchy of {@link FLayers FLayers} nodes
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89 | * <li>a {@link GraphicLayer GraphicLayer} layer
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90 | * <li>a {@link ViewPort ViewPort}
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91 | * <li>an {@link EventBuffer EventButter}
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92 | * <li>some {@link com.iver.cit.gvsig.fmap.layers.LegendListener LegendListener}s
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93 | * <li>some {@link LayerDrawingListener LayerDrawingListener}s
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94 | * <li>some {@link ErrorListener ErrorListener}s
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95 | * </ul>
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96 | * </p>
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97 | *
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98 | * @author Fernando Gonz?lez Cort?s
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99 | */
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100 | public class MapContext extends AbstractDisposable implements Projected, |
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101 | Persistent, Observer {
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102 | /**
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103 | * <p>Defines the value which a unit of a distance measurement must be divided to obtain its equivalent <b>in meters</b>.</p>
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104 | *
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105 | * <p><b><i>Conversion values of distance measurements:</i></b>
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106 | * <ul>
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107 | * <li><code>MapContext.CHANGEM[0]</code>: kilometer
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108 | * <li><code>MapContext.CHANGEM[1]</code>: meter
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109 | * <li><code>MapContext.CHANGEM[2]</code>: centimeter
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110 | * <li><code>MapContext.CHANGEM[3]</code>: millimeter
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111 | * <li><code>MapContext.CHANGEM[4]</code>: international statute mile
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112 | * <li><code>MapContext.CHANGEM[5]</code>: yard
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113 | * <li><code>MapContext.CHANGEM[6]</code>: foot
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114 | * <li><code>MapContext.CHANGEM[7]</code>: inch
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115 | * <li><code>MapContext.CHANGEM[8]</code>: grade
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116 | * </ul>
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117 | *
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118 | * <p><h3>Examples:</h3>
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119 | * <pre>1 international statute mile / MapContext.CHANGEM[4] = X meters</pre>
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120 | * <pre>1 kilometer / MapContext.CHANGEM[0] = X meters</pre>
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121 | * <pre>1 grade / MapContext.CHANGEM[8] = X meters</pre>
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122 | * </p>
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123 | *
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124 | * <p><h3>Grade conversion value: <code>MapContext.CHANGEM[8]</code></h3>
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125 | * The value of <code>MapContext.CHANGEM[8]</code> represents the meters of a straight line between two
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126 | * points on the Earth surface that are 1 grade far each other of the center of the Earth. This value has been calculated using
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127 | * a radius approximated of R<sub>Earth</sub>=6.37846082678100774672e6 meters, according these equations:
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128 | * <pre>D = 2 * (sin (1)) * R<sub>Earth</sub></pre>
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129 | * <pre>MapContext.CHANGEM[8] = 1 / D</pre>
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130 | * <h4>Explanation:</h4>
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131 | * We get an isosceles triangle with the center of the Earth and the 2 points on the surface. This triangle can be divided into
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132 | * two rectangle triangles. We know two values, the angle of 1 grade, that will be 0.50 grades in each triangle, and the Earth radius that
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133 | * is the hypotenuse. Then we apply trigonometry and get the distance <i>D</i> between both points on the Earth surface.</p>
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134 | * <p>Now we only must invert that value to obtain <code>MapContext.CHANGEM[8]</code>.</p>
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135 | *@deprecated use getDistanceTrans2Meter()
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136 | */
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137 | public static final double[] CHANGEM = { 1000, 1, 0.01, 0.001, 1609.344, |
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138 | 0.9144, 0.3048, 0.0254, 1/8.983152841195214E-6 }; |
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139 | |||
140 | |||
141 | public static ArrayList AREANAMES=new ArrayList(); |
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142 | public static ArrayList AREAABBR=new ArrayList(); |
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143 | public static ArrayList AREATRANS2METER=new ArrayList(); |
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144 | |||
145 | public static ArrayList DISTANCENAMES=new ArrayList(); |
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146 | public static ArrayList DISTANCEABBR=new ArrayList(); |
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147 | public static ArrayList DISTANCETRANS2METER=new ArrayList(); |
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148 | |||
149 | static{
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150 | MapContext.addDistanceUnit("Kilometros","Km",1000); |
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151 | MapContext.addDistanceUnit("Metros","m",1); |
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152 | MapContext.addDistanceUnit("Centimetros","cm",0.01); |
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153 | MapContext.addDistanceUnit("Milimetros","mm",0.001); |
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154 | MapContext.addDistanceUnit("Millas","mi",1609.344); |
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155 | MapContext.addDistanceUnit("Yardas","Ya",0.9144); |
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156 | MapContext.addDistanceUnit("Pies","ft",0.3048); |
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157 | MapContext.addDistanceUnit("Pulgadas","inche",0.0254); |
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158 | MapContext.addDistanceUnit("Grados","?",1/8.983152841195214E-6); |
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159 | |||
160 | MapContext.addAreaUnit("Kilometros","Km",true,1000); |
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161 | MapContext.addAreaUnit("Metros","m",true,1); |
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162 | MapContext.addAreaUnit("Centimetros","cm",true,0.01); |
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163 | MapContext.addAreaUnit("Milimetros","mm",true,0.001); |
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164 | MapContext.addAreaUnit("Millas","mi",true,1609.344); |
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165 | MapContext.addAreaUnit("Yardas","Ya",true,0.9144); |
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166 | MapContext.addAreaUnit("Pies","ft",true,0.3048); |
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167 | MapContext.addAreaUnit("Pulgadas","inche",true,0.0254); |
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168 | MapContext.addAreaUnit("Grados","?",true,1/8.983152841195214E-6); |
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169 | |||
170 | |||
171 | } |
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172 | |||
173 | private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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174 | |||
175 | private static final MapContextManager mapContextManager = MapContextLocator |
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176 | .getMapContextManager(); |
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177 | |||
178 | private static final Logger logger = LoggerFactory.getLogger(MapContext.class); |
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179 | |||
180 | /**
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181 | * <p>Determines the number of frames.</p>
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182 | *
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183 | * <p>Number of updates per second that the timer will invoke repaint this component.</p>
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184 | */
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185 | private static int drawFrameRate = 3; |
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186 | /**
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187 | * <p>Returns the draw frame rate.</p>
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188 | *
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189 | * <p>Draw frame rate is the number of repaints of this <code>MapControl</code> instance that timer invokes per second.</p>
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190 | *
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191 | * @return number of repaints of this <code>MapControl</code> instance that timer invokes per second
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192 | *
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193 | * @see #applyFrameRate()
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194 | * @see #setDrawFrameRate(int)
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195 | */
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196 | public static int getDrawFrameRate() { |
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197 | return drawFrameRate;
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198 | } |
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199 | |||
200 | /**
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201 | * <p>Sets the draw frame rate.</p>
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202 | *
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203 | * <p>Draw frame rate is the number of repaints of this <code>MapControl</code> instance that timer invokes per second.</p>
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204 | *
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205 | * @param drawFrameRate number of repaints of this <code>MapControl</code> instance that timer invokes per second
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206 | *
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207 | * @see #applyFrameRate()
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208 | * @see #getDrawFrameRate()
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209 | */
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210 | public static void setDrawFrameRate(int dFR) { |
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211 | drawFrameRate = dFR; |
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212 | } |
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213 | public static void addAreaUnit(String name, String abbr,boolean isLinear,double trans2meter){ |
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214 | if (!AREANAMES.contains(name)){
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215 | AREANAMES.add(name); |
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216 | String pow=""; |
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217 | if (isLinear) {
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218 | pow=String.valueOf((char)178); |
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219 | } |
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220 | AREAABBR.add(abbr+pow); |
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221 | AREATRANS2METER.add(new Double(trans2meter)); |
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222 | } |
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223 | } |
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224 | public static String[] getAreaNames(){ |
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225 | return (String[])AREANAMES.toArray(new String[0]); |
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226 | } |
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227 | public static String[] getAreaAbbr(){ |
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228 | return (String[])AREAABBR.toArray(new String[0]); |
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229 | } |
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230 | public static double[] getAreaTrans2Meter(){ |
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231 | int size=AREATRANS2METER.size();
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232 | double[] trans2meters=new double[size]; |
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233 | for (int i = 0; i < size; i++) { |
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234 | trans2meters[i]=((Double)AREATRANS2METER.get(i)).doubleValue();
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235 | } |
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236 | return trans2meters;
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237 | } |
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238 | public static String getOfLinear(int i) { |
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239 | if (((String)AREAABBR.get(i)).toLowerCase().endsWith(String.valueOf((char)178))){ |
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240 | return String.valueOf((char)178); |
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241 | } |
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242 | return ""; |
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243 | } |
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244 | public static void addDistanceUnit(String name, String abbr,double trans2meter){ |
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245 | if (!DISTANCENAMES.contains(name)){
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246 | DISTANCENAMES.add(name); |
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247 | DISTANCEABBR.add(abbr); |
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248 | DISTANCETRANS2METER.add(new Double(trans2meter)); |
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249 | } |
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250 | } |
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251 | public static String[] getDistanceNames(){ |
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252 | return (String[])DISTANCENAMES.toArray(new String[0]); |
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253 | } |
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254 | |||
255 | public String getDistanceName() { |
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256 | return (String) DISTANCENAMES.get( this.getViewPort().getDistanceUnits() ); |
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257 | } |
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258 | |||
259 | public static String[] getDistanceAbbr(){ |
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260 | return (String[])DISTANCEABBR.toArray(new String[0]); |
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261 | } |
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262 | public static double[] getDistanceTrans2Meter(){ |
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263 | int size=DISTANCETRANS2METER.size();
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264 | double[] trans2meters=new double[size]; |
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265 | for (int i = 0; i < size; i++) { |
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266 | trans2meters[i]=((Double)DISTANCETRANS2METER.get(i)).doubleValue();
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267 | } |
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268 | return trans2meters;
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269 | } |
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270 | public static int getDistancePosition(String s){ |
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271 | for (int i = 0; i < DISTANCENAMES.size(); i++) { |
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272 | if (DISTANCENAMES.get(i).equals(s)){
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273 | return i;
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274 | } |
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275 | } |
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276 | return 0; |
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277 | } |
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278 | |||
279 | /**
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280 | * <p>Defines the value which a unit of a distance measurement must be divided to obtain its equivalent <b>in centimeters</b>.</p>
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281 | *
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282 | * <p><b><i>Conversion values of distance measurements:</i></b>
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283 | * <ul>
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284 | * <li><code>MapContext.CHANGE[0]</code>: kilometer
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285 | * <li><code>MapContext.CHANGE[1]</code>: meter
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286 | * <li><code>MapContext.CHANGE[2]</code>: centimeter
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287 | * <li><code>MapContext.CHANGE[3]</code>: millimeter
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288 | * <li><code>MapContext.CHANGE[4]</code>: international statute mile
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289 | * <li><code>MapContext.CHANGE[5]</code>: yard
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290 | * <li><code>MapContext.CHANGE[6]</code>: foot
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291 | * <li><code>MapContext.CHANGE[7]</code>: inch
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292 | * <li><code>MapContext.CHANGE[8]</code>: grade
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293 | * </ul>
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294 | *
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295 | * <p><h3>Examples:</h3>
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296 | * <pre>1 international statute mile / MapContext.CHANGE[4] = X centimeters</pre>
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297 | * <pre>1 kilometer / MapContext.CHANGE[0] = X centimeters</pre>
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298 | * <pre>1 grade / MapContext.CHANGE[8] = X centimeters</pre>
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299 | * </p>
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300 | *
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301 | * <p><h3>Grade conversion value: <code>MapContext.CHANGE[8]</code></h3>
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302 | * The value of <code>MapContext.CHANGE[8]</code> represents the centimeters of a straight line between two
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303 | * points on the Earth surface that are 1 grade far each other of the center of the Earth. This value has been calculated using
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304 | * a radius approximated of R<sub>Earth</sub>=6.37846082678100774672e6 meters, according these equations:
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305 | * <pre>D = 2 * (sin (1)) * R<sub>Earth</sub></pre>
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306 | * <pre>MapContext.CHANGE[8] = 1 / D</pre>
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307 | * <h4>Explanation:</h4>
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308 | * We get an isosceles triangle with the center of the Earth and the 2 points on the surface. This triangle can be divided into
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309 | * two rectangle triangles. We know two values, the angle of 1 grade, that will be 0.50 grades in each triangle, and the Earth radius that
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310 | * is the hypotenuse. Then we apply trigonometry and get the distance <i>D</i> between both points on the Earth surface.</p>
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311 | * <p>Now we only must invert that value to obtain <code>MapContext.CHANGE[8]</code>.</p>
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312 | * @deprecated use getDistanceTrans2Meter() * 100
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313 | */
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314 | public static final double[] CHANGE = { 100000, 100, 1, 0.1, 160934.4, |
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315 | 91.44, 30.48, 2.54, 1/8.983152841195214E-4 }; |
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316 | |||
317 | /* Do not alter the order and the values of this array, if you need append values.*/
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318 | /**
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319 | * <p>Gets the name of all distance measurements supported by <code>MapContext</code>.</p>
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320 | */
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321 | // public static final String[] NAMES= {
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322 | // Messages.getString("Kilometros"),
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323 | // Messages.getString("Metros"),
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324 | // Messages.getString("Centimetros"),
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325 | // Messages.getString("Milimetros"),
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326 | // Messages.getString("Millas"),
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327 | // Messages.getString("Yardas"),
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328 | // Messages.getString("Pies"),
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329 | // Messages.getString("Pulgadas"),
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330 | // Messages.getString("Grados"),
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331 | // };
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332 | |||
333 | public static final int EQUALS = 0; |
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334 | |||
335 | public static final int DISJOINT = 1; |
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336 | |||
337 | public static final int INTERSECTS = 2; |
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338 | |||
339 | public static final int TOUCHES = 3; |
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340 | |||
341 | public static final int CROSSES = 4; |
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342 | |||
343 | public static final int WITHIN = 5; |
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344 | |||
345 | public static final int CONTAINS = 6; |
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346 | |||
347 | public static final int OVERLAPS = 7; |
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348 | |||
349 | /**
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350 | * A hierarchy of {@link FLayers FLayers} nodes.
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351 | *
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352 | * @see #getLayers()
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353 | * @see #print(Graphics2D, double, PrintAttributes)
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354 | */
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355 | protected FLayers layers;
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356 | |||
357 | /**
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358 | * A layer with graphical items: geometries and symbols.
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359 | *
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360 | * @see #getGraphicsLayer()
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361 | * @see #setGraphicsLayer(GraphicLayer)
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362 | * @see #print(Graphics2D, double, PrintAttributes)
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363 | */
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364 | private GraphicLayer tracLayer = null; |
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365 | //MapContextLocator.getMapContextManager().createGraphicsLayer(getProjection());
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366 | |||
367 | /**
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368 | * Information for draw layers in a view.
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369 | *
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370 | * @see #getViewPort()
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371 | * @see #setViewPort(ViewPort)
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372 | */
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373 | private ViewPort viewPort;
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374 | |||
375 | // private ArrayList invalidationListeners = new ArrayList();
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376 | |||
377 | /**
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378 | * Array list with all {@link LegendListener LegendListener} registered to this map.
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379 | *
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380 | * @see #addLayerListener(LegendListener)
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381 | * @see #removeLayerListener(LegendListener)
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382 | * @see #callLegendChanged()
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383 | */
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384 | private ArrayList legendListeners = new ArrayList(); |
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385 | |||
386 | /**
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387 | * Array list with all {@link LayerDrawingListener LayerDrawingListener} registered to this map.
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388 | *
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389 | * @see #addLayerDrawingListener(LayerDrawingListener)
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390 | * @see #removeLayerDrawListener(LayerDrawingListener)
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391 | * @see #fireLayerDrawingEvent(LayerDrawEvent)
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392 | */
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393 | private ArrayList layerDrawingListeners = new ArrayList(); |
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394 | |||
395 | /**
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396 | * <p>Buffer that is used to store and eject events produced on this map:
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397 | * <ul>
|
||
398 | * <li>Layer collection events.
|
||
399 | * <li>View port events.
|
||
400 | * <li>Atomic events.
|
||
401 | * <li>Layer events.
|
||
402 | * <li>Legend events on a {@link Classificable Classificable} layer.
|
||
403 | * <li>Selection events on an {@link AlphanumericData AlphanumericData} data layer.
|
||
404 | * </ul>
|
||
405 | * </p>
|
||
406 | *
|
||
407 | * @see #addAtomicEventListener(AtomicEventListener)
|
||
408 | * @see #removeAtomicEventListener(AtomicEventListener)
|
||
409 | * @see #beginAtomicEvent()
|
||
410 | * @see #endAtomicEvent()
|
||
411 | */
|
||
412 | private EventBuffer eventBuffer = new EventBuffer(); |
||
413 | |||
414 | /**
|
||
415 | * Event listener for the collection of layers of this map.
|
||
416 | */
|
||
417 | private LayerEventListener layerEventListener = null; |
||
418 | |||
419 | /**
|
||
420 | * List with information of all errors produced on all layers.
|
||
421 | *
|
||
422 | * @see #addLayerError(String)
|
||
423 | * @see #getLayersError()
|
||
424 | * @see #clearErrors()
|
||
425 | */
|
||
426 | private ArrayList layersError = new ArrayList(); |
||
427 | |||
428 | /**
|
||
429 | * Array list with all {@link ErrorListener ErrorListener} registered to this map.
|
||
430 | *
|
||
431 | * @see #addErrorListener(ErrorListener)
|
||
432 | * @see #removeErrorListener(LegendListener)
|
||
433 | * @see #reportDriverExceptions(String, List)
|
||
434 | */
|
||
435 | private ArrayList errorListeners = new ArrayList(); |
||
436 | |||
437 | |||
438 | |||
439 | // public static ResourceBundle myResourceBundle =
|
||
440 | // ResourceBundle.getBundle("FMap");
|
||
441 | |||
442 | /**
|
||
443 | * <p>Default <i>zoom in</i> factor.</p>
|
||
444 | * <p>Doing a <i>zoom in</i> operation, decreases the focal distance and increases the eyesight angle to the surface. This allows view an smaller
|
||
445 | * area but with the items bigger.</p>
|
||
446 | */
|
||
447 | public static double ZOOMINFACTOR=2; |
||
448 | |||
449 | /**
|
||
450 | * <p>Default <i>zoom out</i> factor.</p>
|
||
451 | * <p>Doing a <i>zoom out</i> operation, increases the focal distance and decreases the eyesight angle to the surface. This allows view a bigger
|
||
452 | * area but with the items smaller.</p>
|
||
453 | */
|
||
454 | public static double ZOOMOUTFACTOR=0.5; |
||
455 | |||
456 | /**
|
||
457 | * * Draw version of the context. It's used for know when de componend has
|
||
458 | * changed any visualization property
|
||
459 | *
|
||
460 | * @see getDrawVersion
|
||
461 | * @see updateDrawVersion
|
||
462 | */
|
||
463 | private long drawVersion= 0L; |
||
464 | |||
465 | private long layersVersion = 0L; |
||
466 | private long viewPortVersion = 0L; |
||
467 | private long graphicsLayerVersion = 0L; |
||
468 | |||
469 | /**
|
||
470 | * Object to Manage Draw of MapContext
|
||
471 | */
|
||
472 | private MapContextDrawer mapContextDrawer= null; |
||
473 | |||
474 | /**
|
||
475 | * Object to Manage Draw of MapContext
|
||
476 | */
|
||
477 | private Class mapContextDrawerClass = null; |
||
478 | |||
479 | /**
|
||
480 | * <p>Color used to represent the selections.</p>
|
||
481 | */
|
||
482 | private static Color selectionColor = Color.YELLOW; |
||
483 | private ArrayList layersToSnap = new ArrayList(); |
||
484 | |||
485 | |||
486 | /**
|
||
487 | * <p>Gets the color used to represent the selections.</p>
|
||
488 | *
|
||
489 | * @return color used to represent the selections
|
||
490 | */
|
||
491 | public static Color getSelectionColor() { |
||
492 | return selectionColor;
|
||
493 | } |
||
494 | |||
495 | /**
|
||
496 | * <p>Sets the color used to represent the selections.</p>
|
||
497 | *
|
||
498 | * @param selectionColor color used to represent the selections
|
||
499 | */
|
||
500 | public static void setSelectionColor(Color selectionColor) { |
||
501 | MapContext.selectionColor = selectionColor; |
||
502 | } |
||
503 | |||
504 | /**
|
||
505 | * <p>Creates a new map context with the drawing information defined in the view port argument, and
|
||
506 | * without layers.</p>
|
||
507 | *
|
||
508 | * @param vp information for drawing the layers of this map in the available rectangular area according a projection
|
||
509 | */
|
||
510 | public MapContext(ViewPort vp) {
|
||
511 | this(new FLayers(), vp); |
||
512 | } |
||
513 | |||
514 | public MapContext() { }
|
||
515 | |||
516 | /**
|
||
517 | * <p>Creates a new map context with the layers and the drawing information defined in the view port arguments.</p>
|
||
518 | *
|
||
519 | * @param fLayers the initial hierarchy of nodes of layers that this map will have
|
||
520 | * @param vp information for drawing the layers of this map in the available rectangular area according a projection
|
||
521 | */
|
||
522 | public MapContext(FLayers fLayers, ViewPort vp) {
|
||
523 | this.layers = fLayers;
|
||
524 | |||
525 | layerEventListener = new LayerEventListener();
|
||
526 | |||
527 | if (layers != null) { |
||
528 | layers.setMapContext(this);
|
||
529 | layers.addLayerCollectionListener(layerEventListener); |
||
530 | layers.addLayerCollectionListener(eventBuffer); |
||
531 | } |
||
532 | |||
533 | setViewPort(vp); |
||
534 | } |
||
535 | |||
536 | /**
|
||
537 | * <p>Reports to all driver error listeners registered of a bundle of driver exceptions caused in the same map atomic transaction.</p>
|
||
538 | *
|
||
539 | * @param introductoryText introductory text specified by developer. If <code>null</code>, use ""
|
||
540 | * @param driverExceptions list with a bundle of driver exceptions caught during an atomic event
|
||
541 | *
|
||
542 | * @see #addErrorListener(ErrorListener)
|
||
543 | * @see #removeErrorListener(LegendListener)
|
||
544 | */
|
||
545 | public synchronized void reportDriverExceptions(String introductoryText, |
||
546 | List driverExceptions){
|
||
547 | for (int i = 0; i < errorListeners.size(); i++) { |
||
548 | ((ErrorListener) errorListeners.get(i)).
|
||
549 | reportDriverExceptions(introductoryText, driverExceptions); |
||
550 | } |
||
551 | } |
||
552 | |||
553 | /**
|
||
554 | * <p>Adds the specified legend listener (if didn't exist) to receive legend events from this map.</p>
|
||
555 | *
|
||
556 | * @param listener the legend listener
|
||
557 | *
|
||
558 | * @see #removeLayerListener(LegendListener)
|
||
559 | * @see #callLegendChanged()
|
||
560 | */
|
||
561 | public void addLayerListener(LegendListener listener) { |
||
562 | if (!legendListeners.contains(listener)){
|
||
563 | legendListeners.add(listener); |
||
564 | } |
||
565 | } |
||
566 | // SUGERENCIA DE PABLO
|
||
567 | // public void addLegendListener(LegendListener listener) {
|
||
568 | // if (!legendListeners.contains(listener))
|
||
569 | // legendListeners.add(listener);
|
||
570 | // }
|
||
571 | |||
572 | /**
|
||
573 | * <p>Adds the specified layer drawing listener to catch and handle drawing events from layers of this map.</p>
|
||
574 | *
|
||
575 | * @param listener the listener to add
|
||
576 | *
|
||
577 | * @see #removeLayerDrawListener(LayerDrawingListener)
|
||
578 | * @see #fireLayerDrawingEvent(LayerDrawEvent)
|
||
579 | */
|
||
580 | public void addLayerDrawingListener(LayerDrawingListener listener) { |
||
581 | layerDrawingListeners.add(listener); |
||
582 | } |
||
583 | |||
584 | /**
|
||
585 | * <p>Removes the specified layer drawing listener from this map.</p>
|
||
586 | *
|
||
587 | * @param listener the listener to remove
|
||
588 | *
|
||
589 | * @see #addLayerDrawingListener(LayerDrawingListener)
|
||
590 | * @see #fireLayerDrawingEvent(LayerDrawEvent)
|
||
591 | */
|
||
592 | public void removeLayerDrawListener(LayerDrawingListener listener) { |
||
593 | layerDrawingListeners.remove(listener); |
||
594 | } |
||
595 | |||
596 | /**
|
||
597 | * <p>Adds the specified error listener to receive error events from this map.</p>
|
||
598 | *
|
||
599 | * @param listener the listener to add
|
||
600 | *
|
||
601 | * @see #removeErrorListener(LegendListener)
|
||
602 | * @see #reportDriverExceptions(String, List)
|
||
603 | */
|
||
604 | public void addErrorListener(ErrorListener listener) { |
||
605 | errorListeners.add(listener); |
||
606 | } |
||
607 | |||
608 | /**
|
||
609 | * <p>Removes the specified error listener from this map.</p>
|
||
610 | *
|
||
611 | * @param listener the listener to remove
|
||
612 | *
|
||
613 | * @see #addErrorListener(ErrorListener)
|
||
614 | * @see #reportDriverExceptions(String, List)
|
||
615 | */
|
||
616 | public void removeErrorListener(LegendListener listener) { |
||
617 | legendListeners.remove(listener); |
||
618 | } |
||
619 | |||
620 | // SUGERENCIA DE PABLO:
|
||
621 | //public void removeErrorListener(ErrorListener listener) {
|
||
622 | // errorListeners.remove(listener);
|
||
623 | //}
|
||
624 | |||
625 | /**
|
||
626 | * <p>Notifies to all legend listeners registered, that one legend has changed.</p>
|
||
627 | * <p>This method must be called only if it's wanted to reflect a legend change.</p>
|
||
628 | *
|
||
629 | * @see #addLayerListener(LegendListener)
|
||
630 | * @see #removeLayerListener(LegendListener)
|
||
631 | */
|
||
632 | public synchronized void callLegendChanged() { |
||
633 | for (int i = 0; i < legendListeners.size(); i++) { |
||
634 | ((LegendListener) legendListeners.get(i)).legendChanged(null);
|
||
635 | } |
||
636 | // getLayers().moveTo(0,0);
|
||
637 | } |
||
638 | |||
639 | /**
|
||
640 | * <p>Fires a layer drawing event to all {@link LayerDrawingListener LayerDrawingListener} listeners registered,
|
||
641 | * distinguishing the kind of event.</p>
|
||
642 | *
|
||
643 | * @param e the event
|
||
644 | *
|
||
645 | * @see #addLayerDrawingListener(LayerDrawingListener)
|
||
646 | * @see #removeLayerDrawListener(LayerDrawingListener)
|
||
647 | */
|
||
648 | public synchronized void fireLayerDrawingEvent(LayerDrawEvent e) { |
||
649 | for (int i = 0; i < layerDrawingListeners.size(); i++) |
||
650 | { |
||
651 | LayerDrawingListener listener = (LayerDrawingListener) layerDrawingListeners.get(i); |
||
652 | switch (e.getEventType())
|
||
653 | { |
||
654 | case LayerDrawEvent.LAYER_BEFORE_DRAW:
|
||
655 | listener.beforeLayerDraw(e); |
||
656 | break;
|
||
657 | case LayerDrawEvent.LAYER_AFTER_DRAW:
|
||
658 | listener.afterLayerDraw(e); |
||
659 | break;
|
||
660 | case LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW:
|
||
661 | listener.beforeGraphicLayerDraw(e); |
||
662 | break;
|
||
663 | case LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW:
|
||
664 | listener.afterLayerGraphicDraw(e); |
||
665 | break;
|
||
666 | } |
||
667 | } |
||
668 | // getLayers().moveTo(0,0);
|
||
669 | } |
||
670 | |||
671 | /**
|
||
672 | * <p>Notifies to all error listeners registered, that one error has been produced.</p>
|
||
673 | *
|
||
674 | * @param e the event with information of the error
|
||
675 | *
|
||
676 | * @see #addErrorListener(ErrorListener)
|
||
677 | * @see #removeErrorListener(LegendListener)
|
||
678 | * @see #reportDriverExceptions(String, List)
|
||
679 | */
|
||
680 | public synchronized void callNewErrorEvent(ErrorEvent e) { |
||
681 | for (int i = 0; i < errorListeners.size(); i++) { |
||
682 | ((ErrorListener) errorListeners.get(i)).errorThrown(e);
|
||
683 | } |
||
684 | errorListeners.clear(); |
||
685 | // getLayers().moveTo(0,0);
|
||
686 | } |
||
687 | |||
688 | /**
|
||
689 | * <p>Removes the specified layer listener from this map.</p>
|
||
690 | *
|
||
691 | * @param listener the listener to remove
|
||
692 | *
|
||
693 | * @see #addLayerListener(LegendListener)
|
||
694 | * @see #callLegendChanged()
|
||
695 | */
|
||
696 | public void removeLayerListener(LegendListener listener) { |
||
697 | legendListeners.remove(listener); |
||
698 | } |
||
699 | |||
700 | // SUGERENCIA DE PABLO:
|
||
701 | // public void removeLegendListener(LegendListener listener) {
|
||
702 | // legendListeners.remove(listener);
|
||
703 | // }
|
||
704 | |||
705 | /**
|
||
706 | * <p>Returns the hierarchy of {@link FLayers FLayers} nodes stored in this map.</p>
|
||
707 | *
|
||
708 | * @return the hierarchy of nodes of layers stored in this map
|
||
709 | */
|
||
710 | public FLayers getLayers() {
|
||
711 | return layers;
|
||
712 | } |
||
713 | |||
714 | /**
|
||
715 | * <p>Draws the visible layers of this map according its view port, on the image parameter.</p>
|
||
716 | *
|
||
717 | * @param b image with an accessible buffer of image data
|
||
718 | */
|
||
719 | public void drawLabels(BufferedImage b) { |
||
720 | } |
||
721 | |||
722 | /**
|
||
723 | * @see #redraw()
|
||
724 | */
|
||
725 | public void invalidate() { |
||
726 | updateDrawVersion(); |
||
727 | // Small hack to let the MapControl receive an event and repaint
|
||
728 | FLayer layer; |
||
729 | if (layers.getLayersCount() > 0) { |
||
730 | layer = layers.getLayer(layers.getLayersCount() - 1);
|
||
731 | } |
||
732 | else {
|
||
733 | layer = getGraphicsLayer(); |
||
734 | } |
||
735 | LayerPositionEvent layerMovedEvent = LayerPositionEvent |
||
736 | .createLayerMovedEvent( |
||
737 | layer, 0, 0); |
||
738 | eventBuffer.layerMoved(layerMovedEvent); |
||
739 | } |
||
740 | |||
741 | /**
|
||
742 | * <p>
|
||
743 | * Prints the layers of this map using the {@link Graphics2D Graphics2D}
|
||
744 | * argument, that usually is the {@link Graphics Graphics} of the printer.
|
||
745 | * </p>
|
||
746 | *
|
||
747 | * @param g
|
||
748 | * for rendering 2-dimensional shapes, text and images on the
|
||
749 | * Java(tm) platform
|
||
750 | * @param scale
|
||
751 | * the scale of the view. Must be between
|
||
752 | * {@linkplain FLayer#getMinScale()} and
|
||
753 | * {@linkplain FLayer#getMaxScale()}.
|
||
754 | * @param properties
|
||
755 | * a set with the settings to be applied to a whole print job and
|
||
756 | * to all the documents in the print job
|
||
757 | * @throws MapContextException
|
||
758 | * if there is an error getting the instance of MapContextDrawer
|
||
759 | *
|
||
760 | * @throws ReadDriverException
|
||
761 | * if fails reading with driver.
|
||
762 | *
|
||
763 | * @see GraphicLayer#draw(BufferedImage, Graphics2D, ViewPort, Cancellable,
|
||
764 | * double)
|
||
765 | */
|
||
766 | public void print(Graphics2D g, double scale, |
||
767 | PrintAttributes properties) throws ReadException,
|
||
768 | MapContextException { |
||
769 | |||
770 | CompatLocator.getGraphicsUtils().setRenderingHintsForPrinting(g); |
||
771 | |||
772 | Cancellable cancel = new Cancellable() {
|
||
773 | public boolean isCanceled() { |
||
774 | return false; |
||
775 | } |
||
776 | |||
777 | public void setCanceled(boolean canceled) { |
||
778 | // No queremos que se pueda cancelar la impresi?n.
|
||
779 | |||
780 | } |
||
781 | }; |
||
782 | this.getMapContextDrawer().print(this.layers, g, cancel, scale,properties); |
||
783 | if (tracLayer != null) { |
||
784 | tracLayer.draw(null, g, viewPort, cancel, scale);
|
||
785 | } |
||
786 | } |
||
787 | |||
788 | /**
|
||
789 | * <p>Returns a new <code>MapContext</code> instance with the information of the <code>vp</code> argument, and the layers of this map.</p>
|
||
790 | *
|
||
791 | * @param vp information for drawing the layers of this map in the available rectangular area according a projection
|
||
792 | *
|
||
793 | * @return a new <code>MapContext</code> instance projected by <code>vp</code>
|
||
794 | */
|
||
795 | public MapContext createNewFMap(ViewPort vp) {
|
||
796 | MapContext ret = new MapContext(vp);
|
||
797 | ret.layers = this.layers;
|
||
798 | |||
799 | return ret;
|
||
800 | } |
||
801 | |||
802 | /**
|
||
803 | * <p>Creates a new independent <code>MapContext</code> instance, that has a clone of the layers and the view port of this one.</p>
|
||
804 | * <p>The new map will have the same data source drivers to avoid waste memory, and work faster.</p>
|
||
805 | *
|
||
806 | * @return the new <code>MapContext</code> instance
|
||
807 | *
|
||
808 | * @throws XMLException if fails cloning the view port or a layer
|
||
809 | *
|
||
810 | * @see FLayer#cloneLayer()
|
||
811 | * @see ViewPort#cloneViewPort()
|
||
812 | */
|
||
813 | public MapContext cloneFMap() {
|
||
814 | ViewPort vp; |
||
815 | try {
|
||
816 | vp = (ViewPort) getViewPort().clone(); |
||
817 | } catch (CloneNotSupportedException e) { |
||
818 | throw new RuntimeException(e); |
||
819 | } |
||
820 | FLayers antLayers = getLayers(); |
||
821 | MapContext ret = new MapContext(vp);
|
||
822 | FLayers aux = new FLayers();//(ret,null); |
||
823 | aux.setMapContext(ret); |
||
824 | for (int i=0; i < antLayers.getLayersCount(); i++) |
||
825 | { |
||
826 | FLayer lyr = antLayers.getLayer(i); |
||
827 | try {
|
||
828 | FLayer auxLayer = lyr.cloneLayer(); |
||
829 | aux.addLayer(auxLayer); |
||
830 | auxLayer.dispose(); |
||
831 | } catch (Exception e) { |
||
832 | throw new RuntimeException(e); |
||
833 | } |
||
834 | } |
||
835 | ret.layers = aux; |
||
836 | return ret;
|
||
837 | |||
838 | |||
839 | } |
||
840 | |||
841 | /**
|
||
842 | * Like {@linkplain #cloneFMap()}, but now doesn't clone the layers, rather copies them.
|
||
843 | *
|
||
844 | * @return the new map
|
||
845 | */
|
||
846 | public MapContext cloneToDraw() {
|
||
847 | ViewPort vp; |
||
848 | try {
|
||
849 | vp = (ViewPort) getViewPort().clone(); |
||
850 | MapContext mapContext=new MapContext(getLayers(),vp);
|
||
851 | return mapContext;
|
||
852 | } catch (CloneNotSupportedException e) { |
||
853 | throw new RuntimeException(e); |
||
854 | } |
||
855 | } |
||
856 | |||
857 | |||
858 | /**
|
||
859 | * <p>Adds a layer to the group of layers that are at a upper level in the tree.</p>
|
||
860 | *
|
||
861 | * @param vectorial the layer to add
|
||
862 | */
|
||
863 | public void addToTrackLayer(FLayer vectorial) { |
||
864 | } |
||
865 | |||
866 | /**
|
||
867 | * <p>Returns the scale of the view in the screen.</p>
|
||
868 | *
|
||
869 | * @return one of this values:
|
||
870 | * <ul>
|
||
871 | * <li>the scale of the adjusted extent scale of the view in the screen
|
||
872 | * <li><code>-1</code> if there is no image
|
||
873 | * <li><code>0</code> if there is no extent defined for the image
|
||
874 | * </ul>
|
||
875 | *
|
||
876 | * @see #setScaleView(long)
|
||
877 | * @see ViewPort#getAdjustedExtent()
|
||
878 | * @see IProjection#getScale(double, double, double, double)
|
||
879 | */
|
||
880 | public long getScaleView() { |
||
881 | double dpi = getScreenDPI();
|
||
882 | IProjection proj = viewPort.getProjection(); |
||
883 | |||
884 | if (viewPort.getImageSize() == null) { |
||
885 | return -1; |
||
886 | } |
||
887 | |||
888 | if (viewPort.getAdjustedExtent() == null) { |
||
889 | return 0; |
||
890 | } |
||
891 | double[] trans2Meter=getDistanceTrans2Meter(); |
||
892 | if (proj == null) { |
||
893 | double w = ((viewPort.getImageSize().width / dpi) * 2.54); |
||
894 | return (long) (viewPort.getAdjustedExtent().getLength(0) / w * trans2Meter[getViewPort() |
||
895 | .getMapUnits()]); |
||
896 | } |
||
897 | |||
898 | return Math.round(proj.getScale((viewPort.getAdjustedExtent().getMinimum(0)*trans2Meter[getViewPort().getMapUnits()]), |
||
899 | (viewPort.getAdjustedExtent().getMaximum(0)*trans2Meter[getViewPort().getMapUnits()]),
|
||
900 | viewPort.getImageSize().width, dpi)); |
||
901 | |||
902 | } |
||
903 | |||
904 | /**
|
||
905 | * <p>Sets the new extent of the view, calculated using the scale argument.</p>
|
||
906 | * <p>Doesn't updates the scale if there isn't information about the dimension of the image or the
|
||
907 | * adjusted extent.</p>
|
||
908 | *
|
||
909 | * @param scale the new scale for the view
|
||
910 | *
|
||
911 | * @see ViewPort#setProjection(IProjection)
|
||
912 | * @see #getScaleView()
|
||
913 | */
|
||
914 | public void setScaleView(long scale) { |
||
915 | double dpi = getScreenDPI();
|
||
916 | if (viewPort.getImageSize() == null) { |
||
917 | return;
|
||
918 | } |
||
919 | IProjection proj = viewPort.getProjection(); |
||
920 | if (viewPort.getAdjustedExtent() == null) { |
||
921 | return;
|
||
922 | } |
||
923 | double[] trans2Meter=getDistanceTrans2Meter(); |
||
924 | Envelope env=viewPort.getAdjustedExtent(); |
||
925 | Rectangle2D r=new Rectangle2D.Double(env.getMinimum(0),env.getMinimum(1),env.getLength(0),env.getLength(1)); |
||
926 | Rectangle2D rec=proj.getExtent(r,scale,viewPort.getImageWidth(),viewPort.getImageHeight(),100*getDistanceTrans2Meter()[getViewPort().getMapUnits()],trans2Meter[getViewPort().getDistanceUnits()],dpi); |
||
927 | try {
|
||
928 | getViewPort().setEnvelope(geomManager.createEnvelope(rec.getX(),rec.getY(),rec.getMaxX(),rec.getMaxY(), SUBTYPES.GEOM2D)); |
||
929 | } catch (CreateEnvelopeException e) {
|
||
930 | logger.error("Error seting the bounding box");
|
||
931 | } |
||
932 | } |
||
933 | |||
934 | /**
|
||
935 | * <p>Returns the screen resolution (Dots Per Inch) as it was defined by the user's preference, or
|
||
936 | * by default as it is defined in the default Toolkit.</p>
|
||
937 | *
|
||
938 | * @return double with the screen's dpi
|
||
939 | */
|
||
940 | public static double getScreenDPI() { |
||
941 | return CompatLocator.getGraphicsUtils().getScreenDPI();
|
||
942 | } |
||
943 | |||
944 | /**
|
||
945 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#setVectorial(com.iver.cit.gvsig.fmap.VectorialAdapter)
|
||
946 | */
|
||
947 | // public void setVectorial(VectorialAdapter v) {
|
||
948 | // }
|
||
949 | |||
950 | /**
|
||
951 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#process(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor)
|
||
952 | */
|
||
953 | public void process(Visitor visitor) { |
||
954 | } |
||
955 | |||
956 | /**
|
||
957 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#processSelected(com.iver.cit.gvsig.fmap.FeatureVisitor)
|
||
958 | */
|
||
959 | public void processSelected(Visitor visitor) { |
||
960 | } |
||
961 | |||
962 | /**
|
||
963 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#select(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor,
|
||
964 | * VectorialSubSet)
|
||
965 | */
|
||
966 | public void select(Visitor visitor) { |
||
967 | } |
||
968 | |||
969 | /**
|
||
970 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#selectFromSelection()
|
||
971 | */
|
||
972 | public void selectFromSelection() { |
||
973 | } |
||
974 | |||
975 | /**
|
||
976 | * @see org.gvsig.fmap.mapcontext.rendering.strategies.Strategy#createIndex()
|
||
977 | */
|
||
978 | public void createIndex() { |
||
979 | } |
||
980 | |||
981 | /**
|
||
982 | * @see org.cresques.geo.Projected#getProjection()
|
||
983 | *
|
||
984 | * @see ViewPort#getProjection()
|
||
985 | * @see #setProjection(IProjection)
|
||
986 | * @see #reProject(ICoordTrans)
|
||
987 | */
|
||
988 | public IProjection getProjection() {
|
||
989 | return getViewPort().getProjection();
|
||
990 | } |
||
991 | |||
992 | /**
|
||
993 | * <p>Sets the new projection.</p>
|
||
994 | *
|
||
995 | * @param proj the new projection
|
||
996 | *
|
||
997 | * @see #getProjection()
|
||
998 | * @see ViewPort#setProjection(IProjection)
|
||
999 | * @see #reProject(ICoordTrans)
|
||
1000 | */
|
||
1001 | public void setProjection(IProjection proj) { |
||
1002 | if (getViewPort() != null) { |
||
1003 | getViewPort().setProjection(proj); |
||
1004 | } |
||
1005 | } |
||
1006 | |||
1007 | /**
|
||
1008 | * @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans)
|
||
1009 | */
|
||
1010 | public void reProject(ICoordTrans arg0) { |
||
1011 | // TODO implementar reprojecci?n (lo que sea eso)
|
||
1012 | } |
||
1013 | |||
1014 | |||
1015 | public Envelope getSelectionBounds() throws BaseException { |
||
1016 | |||
1017 | SelectedEnvelopeVisitor visitor = new SelectedEnvelopeVisitor();
|
||
1018 | |||
1019 | layers.accept(visitor); |
||
1020 | Envelope env_in_data_crs = visitor.getSelectioEnvelope(); |
||
1021 | return env_in_data_crs;
|
||
1022 | } |
||
1023 | |||
1024 | /**
|
||
1025 | * <p>
|
||
1026 | * Draws this map if its {@link ViewPort ViewPort} has an extent defined:<br>
|
||
1027 | * <ol>
|
||
1028 | * <li>Selects only the layers that have to be drawn:
|
||
1029 | * {@linkplain #prepareDrawing(BufferedImage, Graphics2D, double)}.
|
||
1030 | * <li>Sets quality: antialiasing by text and images, and quality rendering.
|
||
1031 | * <li>Draws the layers.
|
||
1032 | * <li>Fires a <code>LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW</code>.
|
||
1033 | * <li>Draws the graphic layer.
|
||
1034 | * <li>Fires a <code>LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW</code>.
|
||
1035 | * <li>Invokes the garbage collector and memory clean.
|
||
1036 | * </ol>
|
||
1037 | * </p>
|
||
1038 | *
|
||
1039 | * @param image
|
||
1040 | * buffer used sometimes instead <code>g</code> to accelerate the
|
||
1041 | * draw. For example, if two points are as closed that can't be
|
||
1042 | * distinguished, draws only one.
|
||
1043 | * @param g
|
||
1044 | * for rendering 2-dimensional shapes, text and images on the
|
||
1045 | * Java(tm) platform
|
||
1046 | * @param cancel
|
||
1047 | * shared object that determines if this layer can continue being
|
||
1048 | * drawn
|
||
1049 | * @param scale
|
||
1050 | * the scale of the view. Must be between
|
||
1051 | * {@linkplain FLayer#getMinScale()} and
|
||
1052 | * {@linkplain FLayer#getMaxScale()}.
|
||
1053 | * @throws MapContextException
|
||
1054 | * if there is an error getting the instance of MapContextDrawer
|
||
1055 | * @throws ReadDriverException
|
||
1056 | * if fails reading with the driver.
|
||
1057 | */
|
||
1058 | public void draw(BufferedImage image, Graphics2D g, Cancellable cancel, |
||
1059 | double scale) throws ReadException, MapContextException { |
||
1060 | if (viewPort.getEnvelope() == null) { |
||
1061 | return;
|
||
1062 | } |
||
1063 | |||
1064 | CompatLocator.getGraphicsUtils().setRenderingHintsForDrawing(g); |
||
1065 | |||
1066 | this.getMapContextDrawer().draw(this.layers, image, g, cancel, scale); |
||
1067 | } |
||
1068 | |||
1069 | /**
|
||
1070 | * <p>Draws only the internal graphic layer using the information of the {@link ViewPort ViewPort} of this map.</p>
|
||
1071 | *
|
||
1072 | * @param image image used to accelerate the screen draw
|
||
1073 | * @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
|
||
1074 | * @param cancel shared object that determines if this layer can continue being drawn
|
||
1075 | * @param scale value that represents the scale
|
||
1076 | * @throws ReadDriverException if fails reading with the driver.
|
||
1077 | * @deprecated use {@link #draw(BufferedImage, Graphics2D, Cancellable, double)} instead
|
||
1078 | * @see GraphicLayer#draw(BufferedImage, Graphics2D, ViewPort, Cancellable, double)
|
||
1079 | */
|
||
1080 | public void drawGraphics(BufferedImage image, Graphics2D g, |
||
1081 | Cancellable cancel, double scale) throws ReadException { |
||
1082 | |||
1083 | // From now on the graphics layer is handled by the MapContextDrawer,
|
||
1084 | // so call the draw method instead.
|
||
1085 | try {
|
||
1086 | draw(image, g, cancel, scale); |
||
1087 | } catch (MapContextException e) {
|
||
1088 | throw new RuntimeException(e); |
||
1089 | } |
||
1090 | } |
||
1091 | |||
1092 | /**
|
||
1093 | * <p>
|
||
1094 | * Like
|
||
1095 | * {@linkplain MapContext#draw(BufferedImage, Graphics2D, Cancellable, double)}
|
||
1096 | * , but creating the task as cancellable.
|
||
1097 | * </p>
|
||
1098 | *
|
||
1099 | * @param image
|
||
1100 | * buffer used sometimes instead <code>g</code> to accelerate the
|
||
1101 | * draw. For example, if two points are as closed that can't be
|
||
1102 | * distinguished, draws only one.
|
||
1103 | * @param g
|
||
1104 | * for rendering 2-dimensional shapes, text and images on the
|
||
1105 | * Java(tm) platform
|
||
1106 | * @param scale
|
||
1107 | * the scale of the view. Must be between
|
||
1108 | * {@linkplain FLayer#getMinScale()} and
|
||
1109 | * {@linkplain FLayer#getMaxScale()}.
|
||
1110 | * @throws MapContextException
|
||
1111 | * if there is an error getting the instance of MapContextDrawer
|
||
1112 | *
|
||
1113 | * @throws ReadDriverException
|
||
1114 | * if the driver fails reading.
|
||
1115 | *
|
||
1116 | * @see #draw(BufferedImage, Graphics2D, Cancellable, double)
|
||
1117 | */
|
||
1118 | public void draw(BufferedImage image, Graphics2D g, double scale) |
||
1119 | throws ReadException, MapContextException {
|
||
1120 | draw(image, g, new Cancellable() {
|
||
1121 | /**
|
||
1122 | * @see org.gvsig.utils.swing.threads.Cancellable#isCanceled()
|
||
1123 | */
|
||
1124 | public boolean isCanceled() { |
||
1125 | return false; |
||
1126 | } |
||
1127 | |||
1128 | public void setCanceled(boolean canceled) { |
||
1129 | // Do nothing
|
||
1130 | } |
||
1131 | }, scale); |
||
1132 | } |
||
1133 | |||
1134 | /**
|
||
1135 | * <p>Gets the {@link ViewPort ViewPort} associated to this map.</p>
|
||
1136 | *
|
||
1137 | * @return the view port
|
||
1138 | *
|
||
1139 | * @see #setViewPort(ViewPort)
|
||
1140 | */
|
||
1141 | public ViewPort getViewPort() {
|
||
1142 | return viewPort;
|
||
1143 | } |
||
1144 | |||
1145 | /**
|
||
1146 | * <p>Sets a {@link ViewPort ViewPort} with the drawing information
|
||
1147 | * of this map.</p>
|
||
1148 | * <p>If there was a previous view port, removes its {@link EventBuffer EventBuffer} and
|
||
1149 | * adds the new one.</p>
|
||
1150 | *
|
||
1151 | * @param viewPort the viewPort
|
||
1152 | *
|
||
1153 | * @see #getViewPort()
|
||
1154 | */
|
||
1155 | public void setViewPort(ViewPort viewPort) { |
||
1156 | if (this.viewPort != null) { |
||
1157 | this.viewPort.removeViewPortListener(eventBuffer);
|
||
1158 | } |
||
1159 | |||
1160 | if (this.mapContextDrawer != null){ |
||
1161 | this.mapContextDrawer.setViewPort(viewPort);
|
||
1162 | } |
||
1163 | |||
1164 | this.viewPort = viewPort;
|
||
1165 | if (viewPort != null) { |
||
1166 | viewPort.addViewPortListener(eventBuffer); |
||
1167 | } |
||
1168 | } |
||
1169 | |||
1170 | /**
|
||
1171 | * <p>Sets the given extent to the {@link ViewPort ViewPort} and updates the view with the new zoom.</p>
|
||
1172 | *
|
||
1173 | * @param extent the extent of the new zoom
|
||
1174 | */
|
||
1175 | public void zoomToEnvelope(Envelope extent) { |
||
1176 | if (extent!=null) { |
||
1177 | getViewPort().setEnvelope(extent); |
||
1178 | } |
||
1179 | } |
||
1180 | |||
1181 | /**
|
||
1182 | * <p>Returns the union of all extents of all layers of this map.</p>
|
||
1183 | *
|
||
1184 | * @return full extent of layers of this map
|
||
1185 | * @throws ReadDriverException if the driver fails reading.
|
||
1186 | *
|
||
1187 | * @see FLayers#getFullEnvelope()
|
||
1188 | */
|
||
1189 | public Envelope getFullEnvelope() throws ReadException { |
||
1190 | Envelope envelope = layers.getFullEnvelope(); |
||
1191 | |||
1192 | if (tracLayer != null) { |
||
1193 | Envelope graphicsEnvelope = tracLayer.getFullEnvelope(); |
||
1194 | if (envelope == null) { |
||
1195 | return graphicsEnvelope;
|
||
1196 | } |
||
1197 | else if (graphicsEnvelope != null) { |
||
1198 | envelope.add(graphicsEnvelope); |
||
1199 | } |
||
1200 | } |
||
1201 | |||
1202 | return envelope;
|
||
1203 | } |
||
1204 | |||
1205 | |||
1206 | |||
1207 | /**
|
||
1208 | * <p>Adds a listener of atomic events to the internal {@link EventBuffer EventBuffer}.</p>
|
||
1209 | *
|
||
1210 | * @param listener the new listener
|
||
1211 | *
|
||
1212 | * @return <code>true</code> if has added the listener successfully
|
||
1213 | *
|
||
1214 | * @see #removeAtomicEventListener(AtomicEventListener)
|
||
1215 | * @see EventBuffer#addAtomicEventListener(AtomicEventListener)
|
||
1216 | */
|
||
1217 | public boolean addAtomicEventListener(AtomicEventListener listener) { |
||
1218 | return eventBuffer.addAtomicEventListener(listener);
|
||
1219 | } |
||
1220 | |||
1221 | /**
|
||
1222 | * <p>Removes a listener of atomic events from the internal {@link EventBuffer EventBuffer}.</p>
|
||
1223 | *
|
||
1224 | * @param listener the listener to remove
|
||
1225 | *
|
||
1226 | * @return <tt>true</tt> if the list contained the specified element
|
||
1227 | *
|
||
1228 | * @see #addAtomicEventListener(AtomicEventListener)
|
||
1229 | * @see EventBuffer#removeAtomicEventListener(AtomicEventListener)
|
||
1230 | */
|
||
1231 | public boolean removeAtomicEventListener(AtomicEventListener listener) { |
||
1232 | return eventBuffer.removeAtomicEventListener(listener);
|
||
1233 | } |
||
1234 | |||
1235 | /**
|
||
1236 | * @see EventBuffer#beginAtomicEvent()
|
||
1237 | *
|
||
1238 | * @see #endAtomicEvent()
|
||
1239 | */
|
||
1240 | public void beginAtomicEvent() { |
||
1241 | eventBuffer.beginAtomicEvent(); |
||
1242 | } |
||
1243 | |||
1244 | /**
|
||
1245 | * @see EventBuffer#endAtomicEvent()
|
||
1246 | *
|
||
1247 | * @see #beginAtomicEvent()
|
||
1248 | */
|
||
1249 | public void endAtomicEvent() { |
||
1250 | eventBuffer.endAtomicEvent(); |
||
1251 | } |
||
1252 | |||
1253 | /**
|
||
1254 | * <p>The class <code>LayerEventListener</code> implements the methods of {@link LayerCollectionListener LayerCollectionListener}
|
||
1255 | * that handles the "layer added" or "layer removed" events in a map.</p>
|
||
1256 | * <p>Is designed as a listener for all layers in a {@link MapContext MapContext}.</p>
|
||
1257 | *
|
||
1258 | * @author Fernando Gonz?lez Cort?s
|
||
1259 | */
|
||
1260 | public class LayerEventListener implements LayerCollectionListener { |
||
1261 | /*
|
||
1262 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdded(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
1263 | */
|
||
1264 | public void layerAdded(LayerCollectionEvent e) { |
||
1265 | // Si es la primera capa, fijamos su extent al ViewPort
|
||
1266 | // if (getLayers().getLayersCount() == 1) {
|
||
1267 | if (getViewPort().getEnvelope() == null) { |
||
1268 | FLayer lyr = e.getAffectedLayer(); |
||
1269 | if (lyr.isAvailable()) {
|
||
1270 | try {
|
||
1271 | getViewPort().setEnvelope(lyr.getFullEnvelope()); |
||
1272 | } catch (ReadException ex) {
|
||
1273 | logger.error( |
||
1274 | MessageFormat.format(
|
||
1275 | "Can't set envelope to view port from layer {0}",
|
||
1276 | new Object[] {lyr.getName() } |
||
1277 | ), |
||
1278 | ex |
||
1279 | ); |
||
1280 | } |
||
1281 | } |
||
1282 | } |
||
1283 | |||
1284 | // Registramos al FMap como listener del legend de las capas
|
||
1285 | FLayer lyr = e.getAffectedLayer(); |
||
1286 | addSelectionListener(lyr); |
||
1287 | } |
||
1288 | |||
1289 | /*
|
||
1290 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoved(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
||
1291 | */
|
||
1292 | public void layerMoved(LayerPositionEvent e) { |
||
1293 | } |
||
1294 | |||
1295 | /*
|
||
1296 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoved(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
1297 | */
|
||
1298 | public void layerRemoved(LayerCollectionEvent e) { |
||
1299 | FLayer lyr = e.getAffectedLayer(); |
||
1300 | |||
1301 | lyr.removeLayerListener(eventBuffer); |
||
1302 | |||
1303 | if (lyr instanceof Classifiable) { |
||
1304 | Classifiable c = (Classifiable) lyr; |
||
1305 | c.removeLegendListener(eventBuffer); |
||
1306 | } |
||
1307 | |||
1308 | if (lyr instanceof SingleLayer && ((SingleLayer) lyr).getDataStore()!=null) { |
||
1309 | ((SingleLayer) lyr).getDataStore().deleteObserver( |
||
1310 | MapContext.this); |
||
1311 | } |
||
1312 | |||
1313 | } |
||
1314 | |||
1315 | /*
|
||
1316 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdding(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
1317 | */
|
||
1318 | public void layerAdding(LayerCollectionEvent e) |
||
1319 | throws CancelationException {
|
||
1320 | } |
||
1321 | |||
1322 | /*
|
||
1323 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoving(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
|
||
1324 | */
|
||
1325 | public void layerMoving(LayerPositionEvent e) |
||
1326 | throws CancelationException {
|
||
1327 | } |
||
1328 | |||
1329 | /*
|
||
1330 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoving(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
1331 | */
|
||
1332 | public void layerRemoving(LayerCollectionEvent e) |
||
1333 | throws CancelationException {
|
||
1334 | } |
||
1335 | |||
1336 | |||
1337 | /*
|
||
1338 | * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#visibilityChanged(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
|
||
1339 | */
|
||
1340 | public void visibilityChanged(LayerCollectionEvent e) |
||
1341 | throws CancelationException {
|
||
1342 | } |
||
1343 | } |
||
1344 | |||
1345 | /**
|
||
1346 | * <p>Adds the {@link LayerEventListener LayerEventListener} of this map to the
|
||
1347 | * collection of layers argument.</p>
|
||
1348 | *
|
||
1349 | * @param a collection of layers
|
||
1350 | */
|
||
1351 | public void addAsCollectionListener(FLayers layers2) { |
||
1352 | layers2.addLayerCollectionListener(layerEventListener); |
||
1353 | } |
||
1354 | |||
1355 | /**
|
||
1356 | * <p>Returns the internal {@link GraphicLayer GraphicLayer}.</p>
|
||
1357 | *
|
||
1358 | * @return the graphic layer of this map
|
||
1359 | *
|
||
1360 | * @see #setGraphicsLayer(GraphicLayer)
|
||
1361 | */
|
||
1362 | public GraphicLayer getGraphicsLayer() {
|
||
1363 | if (tracLayer == null) { |
||
1364 | if (getViewPort() != null) { |
||
1365 | this.tracLayer =
|
||
1366 | MapContextLocator.getMapContextManager() |
||
1367 | .createGraphicsLayer( |
||
1368 | getViewPort().getProjection()); |
||
1369 | } else {
|
||
1370 | this.tracLayer =
|
||
1371 | MapContextLocator.getMapContextManager() |
||
1372 | .createGraphicsLayer(null);
|
||
1373 | } |
||
1374 | } |
||
1375 | return tracLayer;
|
||
1376 | } |
||
1377 | |||
1378 | /**
|
||
1379 | * <p>Sets a new {@link GraphicLayer GraphicLayer} to this map.</p>
|
||
1380 | *
|
||
1381 | * @param graphicLayer the new graphic layer
|
||
1382 | *
|
||
1383 | * @see #getGraphicsLayer()
|
||
1384 | */
|
||
1385 | public void setGraphicsLayer(GraphicLayer graphicLayer) { |
||
1386 | tracLayer = graphicLayer; |
||
1387 | } |
||
1388 | |||
1389 | /**
|
||
1390 | * <p>Indicates whether some other object is "equal to" this map.</p>
|
||
1391 | * <p>Returns <code>true</code> if success one of this options:
|
||
1392 | * <ul>
|
||
1393 | * <li>Both objects are equal according to {@linkplain Object#equals(Object)}.
|
||
1394 | * <li>Both maps have the same layers.
|
||
1395 | * <li>Both maps have the same number of layers and with the same name.
|
||
1396 | * </ul>
|
||
1397 | * </p>
|
||
1398 | *
|
||
1399 | * @param obj the reference object with which to compare.
|
||
1400 | * @return <code>true</code> if this object is the same as the <code>arg0</code> argument; otherwise <code>false</code>.
|
||
1401 | *
|
||
1402 | * @see Object#equals(Object)
|
||
1403 | */
|
||
1404 | public boolean equals(Object arg0) { |
||
1405 | if (!(arg0 instanceof MapContext)) { |
||
1406 | return false; |
||
1407 | } |
||
1408 | MapContext map = (MapContext) arg0; |
||
1409 | if (super.equals(arg0)) { |
||
1410 | return true; |
||
1411 | } |
||
1412 | if (getLayers() == map.getLayers()) {
|
||
1413 | return true; |
||
1414 | } |
||
1415 | boolean isEqual = true; |
||
1416 | if (map.getLayers().getLayersCount() == getLayers().getLayersCount()) {
|
||
1417 | for (int i = 0; i < getLayers().getLayersCount(); i++) { |
||
1418 | |||
1419 | if (!getLayers().getLayer(i).getName().equals(
|
||
1420 | map.getLayers().getLayer(i).getName())) { |
||
1421 | isEqual = false;
|
||
1422 | } |
||
1423 | |||
1424 | } |
||
1425 | } else {
|
||
1426 | isEqual = false;
|
||
1427 | } |
||
1428 | return isEqual;
|
||
1429 | } |
||
1430 | |||
1431 | /**
|
||
1432 | * <p>Registers the message of an error associated to this map.</p>
|
||
1433 | *
|
||
1434 | * @param stringProperty the error message
|
||
1435 | *
|
||
1436 | * @see #getLayersError()
|
||
1437 | * @see #clearErrors()
|
||
1438 | */
|
||
1439 | public void addLayerError(String stringProperty) { |
||
1440 | layersError.add(stringProperty); |
||
1441 | } |
||
1442 | |||
1443 | /**
|
||
1444 | * <p>Gets the list with all error messages registered to this map.</p>
|
||
1445 | *
|
||
1446 | * @return the list of errors registered to this map
|
||
1447 | *
|
||
1448 | * @see #addLayerError(String)
|
||
1449 | * @see #clearErrors()
|
||
1450 | */
|
||
1451 | public ArrayList getLayersError() { |
||
1452 | return layersError;
|
||
1453 | } |
||
1454 | |||
1455 | /**
|
||
1456 | * <p>Removes all error messages associated to this map.</p>
|
||
1457 | *
|
||
1458 | * @see #addLayerError(String)
|
||
1459 | * @see #getLayersError()
|
||
1460 | */
|
||
1461 | public void clearErrors() { |
||
1462 | layersError.clear(); |
||
1463 | } |
||
1464 | |||
1465 | /**
|
||
1466 | * <p>Creates and returns a new group of layers that belongs to this <code>MapContext</code>.</p>
|
||
1467 | *
|
||
1468 | * @param parent layer node in this <code>MapContexte</code> that will be the parent of the new node
|
||
1469 | * @return the new layer node
|
||
1470 | */
|
||
1471 | public FLayers getNewGroupLayer(FLayers parent) {
|
||
1472 | FLayers group1 = new FLayers();//(this,parent); |
||
1473 | group1.setMapContext(this);
|
||
1474 | group1.setParentLayer(parent); |
||
1475 | return group1;
|
||
1476 | } |
||
1477 | |||
1478 | public String getClassName() { |
||
1479 | return null; |
||
1480 | } |
||
1481 | |||
1482 | public ArrayList getLayersToSnap() { |
||
1483 | return layersToSnap;
|
||
1484 | } |
||
1485 | |||
1486 | public void setLayersToSnap(ArrayList layersToSnap) { |
||
1487 | this.layersToSnap = layersToSnap;
|
||
1488 | |||
1489 | } |
||
1490 | |||
1491 | public void update(Observable observable, Object notification) { |
||
1492 | // TODO REVISAR ESTO!!!
|
||
1493 | String ntype=null; |
||
1494 | if (notification instanceof FeatureStoreNotification) { |
||
1495 | FeatureStoreNotification fsNotification = (FeatureStoreNotification) notification; |
||
1496 | ntype =fsNotification.getType(); |
||
1497 | if (
|
||
1498 | ntype.equals(FeatureStoreNotification.LOAD_FINISHED)|| |
||
1499 | ntype.equals(FeatureStoreNotification.SELECTION_CHANGE) |
||
1500 | ) { |
||
1501 | getLayers().moveTo(0, 0); |
||
1502 | } |
||
1503 | } |
||
1504 | } |
||
1505 | |||
1506 | public long getDrawVersion() { |
||
1507 | if (getViewPort().getDrawVersion() > this.viewPortVersion |
||
1508 | || getLayers().getDrawVersion() > this.layersVersion
|
||
1509 | || getGraphicsLayer().getDrawVersion() > graphicsLayerVersion) { |
||
1510 | updateDrawVersion(); |
||
1511 | } |
||
1512 | return this.drawVersion; |
||
1513 | } |
||
1514 | |||
1515 | protected void updateDrawVersion(){ |
||
1516 | this.layersVersion = getLayers().getDrawVersion();
|
||
1517 | this.viewPortVersion = getViewPort().getDrawVersion();
|
||
1518 | this.graphicsLayerVersion = getGraphicsLayer().getDrawVersion();
|
||
1519 | this.drawVersion++;
|
||
1520 | } |
||
1521 | |||
1522 | public MapContextDrawer getMapContextDrawer() throws ReadException, |
||
1523 | MapContextException { |
||
1524 | if (this.mapContextDrawer == null){ |
||
1525 | if (mapContextDrawerClass == null) { |
||
1526 | this.mapContextDrawer = mapContextManager
|
||
1527 | .createDefaultMapContextDrawerInstance(); |
||
1528 | } else {
|
||
1529 | this.mapContextDrawer = mapContextManager
|
||
1530 | .createMapContextDrawerInstance(mapContextDrawerClass); |
||
1531 | } |
||
1532 | this.mapContextDrawer.setMapContext(this); |
||
1533 | this.mapContextDrawer.setViewPort(viewPort);
|
||
1534 | } |
||
1535 | |||
1536 | return this.mapContextDrawer; |
||
1537 | } |
||
1538 | |||
1539 | public void setMapContextDrawerClass(Class mapContextDrawerClass) |
||
1540 | throws MapContextException {
|
||
1541 | mapContextManager.validateMapContextDrawer(mapContextDrawerClass); |
||
1542 | this.mapContextDrawerClass = mapContextDrawerClass;
|
||
1543 | if (this.mapContextDrawer != null){ |
||
1544 | this.mapContextDrawer.dispose();
|
||
1545 | this.mapContextDrawer = null; |
||
1546 | } |
||
1547 | } |
||
1548 | |||
1549 | public void setMapContextDrawer(MapContextDrawer drawer){ |
||
1550 | if (this.mapContextDrawer != null){ |
||
1551 | this.mapContextDrawer.dispose();
|
||
1552 | this.mapContextDrawer = null; |
||
1553 | } |
||
1554 | this.mapContextDrawer = drawer;
|
||
1555 | if (this.mapContextDrawer != null){ |
||
1556 | this.mapContextDrawer.setMapContext(this); |
||
1557 | this.mapContextDrawer.setViewPort(viewPort);
|
||
1558 | } |
||
1559 | } |
||
1560 | |||
1561 | public void loadFromState(PersistentState state) |
||
1562 | throws PersistenceException {
|
||
1563 | |||
1564 | ViewPort vp = (ViewPort) state.get("ViewPort");
|
||
1565 | setViewPort(vp); |
||
1566 | |||
1567 | layers = (FLayers) state.get("layers");
|
||
1568 | layers.setName("root layer");
|
||
1569 | loadLayers(layers); |
||
1570 | layers.setMapContext(this);
|
||
1571 | |||
1572 | layerEventListener = new LayerEventListener();
|
||
1573 | layers.addLayerCollectionListener(layerEventListener); |
||
1574 | |||
1575 | layers.addLayerCollectionListener(eventBuffer); |
||
1576 | layers.setProjection(vp.getProjection()); |
||
1577 | |||
1578 | //Add the listener for the selection
|
||
1579 | addSelectionListener(layers); |
||
1580 | } |
||
1581 | |||
1582 | private void loadLayers(FLayers lyrs) { |
||
1583 | |||
1584 | int sz = lyrs.getLayersCount();
|
||
1585 | for (int i=0; i<sz; i++) { |
||
1586 | try {
|
||
1587 | lyrs.getLayer(i).load(); |
||
1588 | } catch (LoadLayerException e) {
|
||
1589 | logger.error("While loading layer: " + lyrs.getLayer(i).getName());
|
||
1590 | } |
||
1591 | } |
||
1592 | } |
||
1593 | |||
1594 | public void saveToState(PersistentState state) throws PersistenceException { |
||
1595 | state.set("ViewPort", viewPort);
|
||
1596 | state.set("layers", layers);
|
||
1597 | } |
||
1598 | |||
1599 | public static void registerPersistent() { |
||
1600 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
||
1601 | DynStruct definition = manager.addDefinition( |
||
1602 | MapContext.class, |
||
1603 | "MapContext",
|
||
1604 | "MapContext Persistence definition",
|
||
1605 | null,
|
||
1606 | null
|
||
1607 | ); |
||
1608 | definition.addDynFieldObject("ViewPort")
|
||
1609 | .setClassOfValue(ViewPort.class) |
||
1610 | .setMandatory(true);
|
||
1611 | |||
1612 | definition.addDynFieldObject("layers")
|
||
1613 | .setClassOfValue(FLayers.class) |
||
1614 | .setMandatory(true);
|
||
1615 | } |
||
1616 | |||
1617 | protected void doDispose() throws BaseException { |
||
1618 | dispose(layers); |
||
1619 | dispose(tracLayer); |
||
1620 | } |
||
1621 | |||
1622 | /**
|
||
1623 | * <p>Registers an event buffer as a listener for all layers as argument.</p>
|
||
1624 | *
|
||
1625 | * <p>Each {@link FLayer FLayer} of this map must have an event buffer for all kind
|
||
1626 | * of specific listeners of that layer. This method distinguish between {@link Classifiable Classifiable},
|
||
1627 | * {@link AlphanumericData AlphanumericData}, and {@link FLayers FLayers} layers, and for each one,
|
||
1628 | * registers, for their specific listeners, the <code>eventBuffer</code> as a listener.</p>
|
||
1629 | *
|
||
1630 | * @param the layer or layers
|
||
1631 | */
|
||
1632 | private void addSelectionListener(FLayer lyr){ |
||
1633 | lyr.addLayerListener(eventBuffer); |
||
1634 | |||
1635 | if (lyr instanceof Classifiable) { |
||
1636 | Classifiable c = (Classifiable) lyr; |
||
1637 | c.addLegendListener(eventBuffer); |
||
1638 | } |
||
1639 | |||
1640 | if (lyr instanceof FLayers){ |
||
1641 | FLayers lyrs=(FLayers)lyr; |
||
1642 | for(int i=0;i<lyrs.getLayersCount();i++){ |
||
1643 | addSelectionListener(lyrs.getLayer(i)); |
||
1644 | } |
||
1645 | } |
||
1646 | if (lyr instanceof SingleLayer){ |
||
1647 | if (((SingleLayer) lyr).getDataStore() != null) { |
||
1648 | ((SingleLayer) lyr).getDataStore().addObserver( |
||
1649 | MapContext.this); |
||
1650 | } |
||
1651 | } |
||
1652 | } |
||
1653 | } |