1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.AlphaComposite;
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7 | import java.awt.Color;
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8 | import java.awt.Dimension;
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9 | import java.awt.Graphics;
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10 | import java.awt.Graphics2D;
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11 | import java.awt.Point;
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12 | import java.awt.Rectangle;
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13 | import java.awt.event.ComponentAdapter;
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14 | import java.awt.event.ComponentEvent;
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15 | import java.awt.event.KeyEvent;
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16 | import java.awt.event.MouseAdapter;
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17 | import java.awt.event.MouseEvent;
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18 | import java.awt.event.MouseMotionListener;
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19 | import java.awt.geom.Area;
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20 | import java.awt.geom.GeneralPath;
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21 | import java.awt.image.BufferedImage;
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22 | import java.beans.PropertyChangeEvent;
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23 | import java.beans.PropertyChangeListener;
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24 | import java.util.ArrayList;
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25 | import java.util.Arrays;
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26 | import java.util.Collection;
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27 | import java.util.Collections;
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28 | import java.util.EnumSet;
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29 | import java.util.LinkedHashSet;
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30 | import java.util.List;
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31 | import java.util.ListIterator;
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32 | import java.util.Set;
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33 | import java.util.concurrent.CopyOnWriteArrayList;
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34 | import java.util.concurrent.locks.ReentrantReadWriteLock;
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35 |
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36 | import javax.swing.AbstractButton;
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37 | import javax.swing.ActionMap;
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38 | import javax.swing.InputMap;
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39 | import javax.swing.JComponent;
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40 | import javax.swing.JFrame;
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41 | import javax.swing.JPanel;
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42 |
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43 | import org.openstreetmap.josm.Main;
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44 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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45 | import org.openstreetmap.josm.data.Bounds;
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46 | import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
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47 | import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
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48 | import org.openstreetmap.josm.data.SelectionChangedListener;
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49 | import org.openstreetmap.josm.data.ViewportData;
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50 | import org.openstreetmap.josm.data.coor.EastNorth;
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51 | import org.openstreetmap.josm.data.coor.LatLon;
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52 | import org.openstreetmap.josm.data.imagery.ImageryInfo;
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53 | import org.openstreetmap.josm.data.osm.DataSet;
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54 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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55 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
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56 | import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
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57 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
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58 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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59 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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60 | import org.openstreetmap.josm.gui.layer.Layer;
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61 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
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62 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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63 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
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64 | import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
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65 | import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
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66 | import org.openstreetmap.josm.gui.util.GuiHelper;
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67 | import org.openstreetmap.josm.tools.AudioPlayer;
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68 | import org.openstreetmap.josm.tools.BugReportExceptionHandler;
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69 | import org.openstreetmap.josm.tools.Shortcut;
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70 | import org.openstreetmap.josm.tools.Utils;
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71 |
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72 | /**
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73 | * This is a component used in the {@link MapFrame} for browsing the map. It use is to
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74 | * provide the MapMode's enough capabilities to operate.<br><br>
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75 | *
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76 | * {@code MapView} holds meta-data about the data set currently displayed, as scale level,
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77 | * center point viewed, what scrolling mode or editing mode is selected or with
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78 | * what projection the map is viewed etc..<br><br>
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79 | *
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80 | * {@code MapView} is able to administrate several layers.
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81 | *
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82 | * @author imi
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83 | */
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84 | public class MapView extends NavigatableComponent
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85 | implements PropertyChangeListener, PreferenceChangedListener, OsmDataLayer.LayerStateChangeListener {
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86 |
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87 | /**
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88 | * Interface to notify listeners of a layer change.
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89 | * @author imi
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90 | */
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91 | public interface LayerChangeListener {
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92 |
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93 | /**
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94 | * Notifies this listener that the active layer has changed.
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95 | * @param oldLayer The previous active layer
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96 | * @param newLayer The new activer layer
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97 | */
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98 | void activeLayerChange(Layer oldLayer, Layer newLayer);
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99 |
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100 | /**
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101 | * Notifies this listener that a layer has been added.
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102 | * @param newLayer The new added layer
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103 | */
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104 | void layerAdded(Layer newLayer);
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105 |
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106 | /**
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107 | * Notifies this listener that a layer has been removed.
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108 | * @param oldLayer The old removed layer
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109 | */
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110 | void layerRemoved(Layer oldLayer);
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111 | }
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112 |
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113 | /**
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114 | * An interface that needs to be implemented in order to listen for changes to the active edit layer.
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115 | */
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116 | public interface EditLayerChangeListener {
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117 |
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118 | /**
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119 | * Called after the active edit layer was changed.
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120 | * @param oldLayer The old edit layer
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121 | * @param newLayer The current (new) edit layer
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122 | */
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123 | void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
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124 | }
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125 |
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126 | public boolean viewportFollowing = false;
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127 |
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128 | /**
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129 | * the layer listeners
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130 | */
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131 | private static final CopyOnWriteArrayList<LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<>();
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132 | private static final CopyOnWriteArrayList<EditLayerChangeListener> editLayerChangeListeners = new CopyOnWriteArrayList<>();
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133 |
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134 | /**
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135 | * Removes a layer change listener
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136 | *
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137 | * @param listener the listener. Ignored if null or already registered.
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138 | */
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139 | public static void removeLayerChangeListener(LayerChangeListener listener) {
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140 | layerChangeListeners.remove(listener);
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141 | }
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142 |
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143 | public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
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144 | editLayerChangeListeners.remove(listener);
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145 | }
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146 |
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147 | /**
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148 | * Adds a layer change listener
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149 | *
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150 | * @param listener the listener. Ignored if null or already registered.
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151 | */
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152 | public static void addLayerChangeListener(LayerChangeListener listener) {
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153 | if (listener != null) {
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154 | layerChangeListeners.addIfAbsent(listener);
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155 | }
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156 | }
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157 |
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158 | /**
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159 | * Adds a layer change listener
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160 | *
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161 | * @param listener the listener. Ignored if null or already registered.
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162 | * @param initialFire fire an active-layer-changed-event right after adding
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163 | * the listener in case there is a layer present (should be)
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164 | */
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165 | public static void addLayerChangeListener(LayerChangeListener listener, boolean initialFire) {
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166 | addLayerChangeListener(listener);
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167 | if (initialFire && Main.isDisplayingMapView()) {
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168 | listener.activeLayerChange(null, Main.map.mapView.getActiveLayer());
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169 | }
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170 | }
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171 |
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172 | /**
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173 | * Adds an edit layer change listener
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174 | *
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175 | * @param listener the listener. Ignored if null or already registered.
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176 | * @param initialFire fire an edit-layer-changed-event right after adding
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177 | * the listener in case there is an edit layer present
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178 | */
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179 | public static void addEditLayerChangeListener(EditLayerChangeListener listener, boolean initialFire) {
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180 | addEditLayerChangeListener(listener);
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181 | if (initialFire && Main.isDisplayingMapView() && Main.map.mapView.getEditLayer() != null) {
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182 | listener.editLayerChanged(null, Main.map.mapView.getEditLayer());
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183 | }
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184 | }
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185 |
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186 | /**
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187 | * Adds an edit layer change listener
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188 | *
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189 | * @param listener the listener. Ignored if null or already registered.
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190 | */
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191 | public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
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192 | if (listener != null) {
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193 | editLayerChangeListeners.addIfAbsent(listener);
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194 | }
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195 | }
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196 |
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197 | /**
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198 | * Calls the {@link LayerChangeListener#activeLayerChange(Layer, Layer)} method of all listeners.
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199 | *
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200 | * @param oldLayer The old layer
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201 | * @param newLayer The new active layer.
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202 | */
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203 | protected void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
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204 | checkLayerLockNotHeld();
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205 | for (LayerChangeListener l : layerChangeListeners) {
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206 | l.activeLayerChange(oldLayer, newLayer);
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207 | }
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208 | }
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209 |
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210 | protected void fireLayerAdded(Layer newLayer) {
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211 | checkLayerLockNotHeld();
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212 | for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
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213 | l.layerAdded(newLayer);
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214 | }
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215 | }
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216 |
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217 | protected void fireLayerRemoved(Layer layer) {
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218 | checkLayerLockNotHeld();
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219 | for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
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220 | l.layerRemoved(layer);
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221 | }
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222 | }
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223 |
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224 | protected void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
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225 | checkLayerLockNotHeld();
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226 | for (EditLayerChangeListener l : editLayerChangeListeners) {
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227 | l.editLayerChanged(oldLayer, newLayer);
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228 | }
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229 | }
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230 |
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231 | /**
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232 | * This is a simple invariant check that tests if the {@link #layerLock} is not write locked.
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233 | * This should be the case whenever a layer listener is invoked.
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234 | */
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235 | private void checkLayerLockNotHeld() {
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236 | if (layerLock.isWriteLockedByCurrentThread()) {
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237 | Main.warn("layerLock is write-held while a listener was called.");
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238 | }
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239 | }
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240 |
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241 | /**
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242 | * A list of all layers currently loaded. Locked by {@link #layerLock}.
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243 | */
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244 | private final transient List<Layer> layers = new ArrayList<>();
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245 |
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246 | /**
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247 | * This lock manages concurrent access to {@link #layers},
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248 | * {@link #editLayer} and {@link #activeLayer}.
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249 | * <p>
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250 | * The read lock is always held while those fields are read or while layer change listeners are fired.
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251 | */
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252 | private final ReentrantReadWriteLock layerLock = new ReentrantReadWriteLock();
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253 |
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254 | /**
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255 | * The play head marker: there is only one of these so it isn't in any specific layer
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256 | */
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257 | public transient PlayHeadMarker playHeadMarker = null;
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258 |
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259 | /**
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260 | * The layer from the layers list that is currently active. Locked by {@link #layerLock}.
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261 | */
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262 | private transient Layer activeLayer;
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263 |
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264 | /**
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265 | * The edit layer is the current active data layer. Locked by {@link #layerLock}.
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266 | */
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267 | private transient OsmDataLayer editLayer;
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268 |
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269 | /**
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270 | * The last event performed by mouse.
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271 | */
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272 | public MouseEvent lastMEvent = new MouseEvent(this, 0, 0, 0, 0, 0, 0, false); // In case somebody reads it before first mouse move
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273 |
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274 | /**
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275 | * Temporary layers (selection rectangle, etc.) that are never cached and
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276 | * drawn on top of regular layers.
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277 | * Access must be synchronized.
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278 | */
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279 | private final transient Set<MapViewPaintable> temporaryLayers = new LinkedHashSet<>();
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280 |
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281 | private transient BufferedImage nonChangedLayersBuffer;
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282 | private transient BufferedImage offscreenBuffer;
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283 | // Layers that wasn't changed since last paint
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284 | private final transient List<Layer> nonChangedLayers = new ArrayList<>();
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285 | private transient Layer changedLayer;
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286 | private int lastViewID;
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287 | private boolean paintPreferencesChanged = true;
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288 | private Rectangle lastClipBounds = new Rectangle();
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289 | private transient MapMover mapMover;
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290 |
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291 | /**
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292 | * Constructs a new {@code MapView}.
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293 | * @param contentPane The content pane used to register shortcuts in its
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294 | * {@link InputMap} and {@link ActionMap}
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295 | * @param viewportData the initial viewport of the map. Can be null, then
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296 | * the viewport is derived from the layer data.
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297 | */
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298 | public MapView(final JPanel contentPane, final ViewportData viewportData) {
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299 | initialViewport = viewportData;
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300 | Main.pref.addPreferenceChangeListener(this);
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301 |
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302 | addComponentListener(new ComponentAdapter() {
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303 | @Override public void componentResized(ComponentEvent e) {
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304 | removeComponentListener(this);
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305 |
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306 | for (JComponent c : getMapNavigationComponents(MapView.this)) {
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307 | MapView.this.add(c);
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308 | }
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309 |
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310 | mapMover = new MapMover(MapView.this, contentPane);
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311 | }
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312 | });
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313 |
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314 | // listend to selection changes to redraw the map
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315 | DataSet.addSelectionListener(repaintSelectionChangedListener);
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316 |
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317 | //store the last mouse action
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318 | this.addMouseMotionListener(new MouseMotionListener() {
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319 | @Override
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320 | public void mouseDragged(MouseEvent e) {
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321 | mouseMoved(e);
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322 | }
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323 |
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324 | @Override
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325 | public void mouseMoved(MouseEvent e) {
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326 | lastMEvent = e;
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327 | }
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328 | });
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329 | this.addMouseListener(new MouseAdapter() {
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330 | @Override
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331 | public void mousePressed(MouseEvent me) {
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332 | // focus the MapView component when mouse is pressed inside it
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333 | requestFocus();
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334 | }
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335 | });
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336 |
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337 | if (Shortcut.findShortcut(KeyEvent.VK_TAB, 0) != null) {
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338 | setFocusTraversalKeysEnabled(false);
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339 | }
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340 | }
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341 |
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342 | /**
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343 | * Adds the map navigation components to a
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344 | * @param forMapView The map view to get the components for.
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345 | * @return A list containing the correctly positioned map navigation components.
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346 | */
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347 | public static List<? extends JComponent> getMapNavigationComponents(MapView forMapView) {
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348 | MapSlider zoomSlider = new MapSlider(forMapView);
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349 | zoomSlider.setBounds(3, 0, 114, 30);
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350 | zoomSlider.setFocusTraversalKeysEnabled(Shortcut.findShortcut(KeyEvent.VK_TAB, 0) == null);
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351 |
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352 | MapScaler scaler = new MapScaler(forMapView);
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353 | scaler.setLocation(10, 30);
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354 |
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355 | return Arrays.asList(zoomSlider, scaler);
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356 | }
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357 |
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358 | // remebered geometry of the component
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359 | private Dimension oldSize = null;
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360 | private Point oldLoc = null;
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361 |
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362 | /**
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363 | * Call this method to keep map position on screen during next repaint
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364 | */
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365 | public void rememberLastPositionOnScreen() {
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366 | oldSize = getSize();
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367 | oldLoc = getLocationOnScreen();
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368 | }
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369 |
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370 | /**
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371 | * Adds a GPX layer. A GPX layer is added below the lowest data layer.
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372 | * <p>
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373 | * Does not call {@link #fireLayerAdded(Layer)}.
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374 | *
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375 | * @param layer the GPX layer
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376 | */
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377 | protected void addGpxLayer(GpxLayer layer) {
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378 | layerLock.writeLock().lock();
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379 | try {
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380 | if (layers.isEmpty()) {
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381 | layers.add(layer);
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382 | return;
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383 | }
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384 | for (int i = layers.size()-1; i >= 0; i--) {
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385 | if (layers.get(i) instanceof OsmDataLayer) {
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386 | if (i == layers.size()-1) {
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387 | layers.add(layer);
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388 | } else {
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389 | layers.add(i+1, layer);
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390 | }
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391 | return;
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392 | }
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393 | }
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394 | layers.add(0, layer);
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395 | } finally {
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396 | layerLock.writeLock().unlock();
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397 | }
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398 | }
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399 |
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400 | /**
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401 | * Add a layer to the current MapView. The layer will be added at topmost
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402 | * position.
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403 | * @param layer The layer to add
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404 | */
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405 | public void addLayer(Layer layer) {
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406 | boolean isOsmDataLayer = layer instanceof OsmDataLayer;
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407 | layerLock.writeLock().lock();
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408 | layerLock.readLock().lock();
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409 | EnumSet<LayerListenerType> listenersToFire = EnumSet.noneOf(LayerListenerType.class);
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410 | Layer oldActiveLayer = activeLayer;
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411 | OsmDataLayer oldEditLayer = editLayer;
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412 | try {
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413 | try {
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414 | if (layer instanceof MarkerLayer && playHeadMarker == null) {
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415 | playHeadMarker = PlayHeadMarker.create();
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416 | }
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417 |
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418 | if (layer instanceof GpxLayer) {
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419 | addGpxLayer((GpxLayer) layer);
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420 | } else if (layers.isEmpty()) {
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421 | layers.add(layer);
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422 | } else if (layer.isBackgroundLayer()) {
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423 | int i = 0;
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424 | for (; i < layers.size(); i++) {
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425 | if (layers.get(i).isBackgroundLayer()) {
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426 | break;
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427 | }
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428 | }
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429 | layers.add(i, layer);
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430 | } else {
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431 | layers.add(0, layer);
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432 | }
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433 |
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434 | if (isOsmDataLayer || oldActiveLayer == null) {
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435 | // autoselect the new layer
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436 | listenersToFire.addAll(setActiveLayer(layer, true));
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437 | }
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438 | } finally {
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439 | layerLock.writeLock().unlock();
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440 | }
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441 |
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442 | fireLayerAdded(layer);
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443 | if (isOsmDataLayer) {
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444 | ((OsmDataLayer) layer).addLayerStateChangeListener(this);
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445 | }
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446 | onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
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447 | layer.addPropertyChangeListener(this);
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448 | Main.addProjectionChangeListener(layer);
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449 | AudioPlayer.reset();
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450 | } finally {
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451 | layerLock.readLock().unlock();
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452 | }
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453 | if (!listenersToFire.isEmpty()) {
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454 | repaint();
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455 | }
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456 | }
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457 |
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458 | @Override
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459 | protected DataSet getCurrentDataSet() {
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---|
460 | layerLock.readLock().lock();
|
---|
461 | try {
|
---|
462 | if (editLayer != null)
|
---|
463 | return editLayer.data;
|
---|
464 | else
|
---|
465 | return null;
|
---|
466 | } finally {
|
---|
467 | layerLock.readLock().unlock();
|
---|
468 | }
|
---|
469 | }
|
---|
470 |
|
---|
471 | /**
|
---|
472 | * Replies true if the active data layer (edit layer) is drawable.
|
---|
473 | *
|
---|
474 | * @return true if the active data layer (edit layer) is drawable, false otherwise
|
---|
475 | */
|
---|
476 | public boolean isActiveLayerDrawable() {
|
---|
477 | layerLock.readLock().lock();
|
---|
478 | try {
|
---|
479 | return editLayer != null;
|
---|
480 | } finally {
|
---|
481 | layerLock.readLock().unlock();
|
---|
482 | }
|
---|
483 | }
|
---|
484 |
|
---|
485 | /**
|
---|
486 | * Replies true if the active data layer (edit layer) is visible.
|
---|
487 | *
|
---|
488 | * @return true if the active data layer (edit layer) is visible, false otherwise
|
---|
489 | */
|
---|
490 | public boolean isActiveLayerVisible() {
|
---|
491 | layerLock.readLock().lock();
|
---|
492 | try {
|
---|
493 | return isActiveLayerDrawable() && editLayer.isVisible();
|
---|
494 | } finally {
|
---|
495 | layerLock.readLock().unlock();
|
---|
496 | }
|
---|
497 | }
|
---|
498 |
|
---|
499 | /**
|
---|
500 | * Determines the next active data layer according to the following
|
---|
501 | * rules:
|
---|
502 | * <ul>
|
---|
503 | * <li>if there is at least one {@link OsmDataLayer} the first one
|
---|
504 | * becomes active</li>
|
---|
505 | * <li>otherwise, the top most layer of any type becomes active</li>
|
---|
506 | * </ul>
|
---|
507 | *
|
---|
508 | * @return the next active data layer
|
---|
509 | */
|
---|
510 | protected Layer determineNextActiveLayer(List<Layer> layersList) {
|
---|
511 | // First look for data layer
|
---|
512 | for (Layer layer:layersList) {
|
---|
513 | if (layer instanceof OsmDataLayer)
|
---|
514 | return layer;
|
---|
515 | }
|
---|
516 |
|
---|
517 | // Then any layer
|
---|
518 | if (!layersList.isEmpty())
|
---|
519 | return layersList.get(0);
|
---|
520 |
|
---|
521 | // and then give up
|
---|
522 | return null;
|
---|
523 |
|
---|
524 | }
|
---|
525 |
|
---|
526 | /**
|
---|
527 | * Remove the layer from the mapview. If the layer was in the list before,
|
---|
528 | * an LayerChange event is fired.
|
---|
529 | * @param layer The layer to remove
|
---|
530 | */
|
---|
531 | public void removeLayer(Layer layer) {
|
---|
532 | layerLock.writeLock().lock();
|
---|
533 | layerLock.readLock().lock();
|
---|
534 |
|
---|
535 | EnumSet<LayerListenerType> listenersToFire = EnumSet.noneOf(LayerListenerType.class);
|
---|
536 | Layer oldActiveLayer = activeLayer;
|
---|
537 | OsmDataLayer oldEditLayer = editLayer;
|
---|
538 | try {
|
---|
539 | try {
|
---|
540 | List<Layer> layersList = new ArrayList<>(layers);
|
---|
541 |
|
---|
542 | if (!layersList.remove(layer))
|
---|
543 | return;
|
---|
544 |
|
---|
545 | listenersToFire = setEditLayer(layersList);
|
---|
546 |
|
---|
547 | if (layer == activeLayer) {
|
---|
548 | listenersToFire.addAll(setActiveLayer(determineNextActiveLayer(layersList), false));
|
---|
549 | }
|
---|
550 |
|
---|
551 | if (layer instanceof OsmDataLayer) {
|
---|
552 | ((OsmDataLayer) layer).removeLayerPropertyChangeListener(this);
|
---|
553 | }
|
---|
554 |
|
---|
555 | layers.remove(layer);
|
---|
556 | Main.removeProjectionChangeListener(layer);
|
---|
557 |
|
---|
558 | } finally {
|
---|
559 | layerLock.writeLock().unlock();
|
---|
560 | }
|
---|
561 | onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
|
---|
562 | fireLayerRemoved(layer);
|
---|
563 | layer.removePropertyChangeListener(this);
|
---|
564 | layer.destroy();
|
---|
565 | AudioPlayer.reset();
|
---|
566 | } finally {
|
---|
567 | layerLock.readLock().unlock();
|
---|
568 | }
|
---|
569 | repaint();
|
---|
570 | }
|
---|
571 |
|
---|
572 | private void onEditLayerChanged(OsmDataLayer oldEditLayer) {
|
---|
573 | fireEditLayerChanged(oldEditLayer, editLayer);
|
---|
574 | refreshTitle();
|
---|
575 | }
|
---|
576 |
|
---|
577 | private boolean virtualNodesEnabled = false;
|
---|
578 |
|
---|
579 | public void setVirtualNodesEnabled(boolean enabled) {
|
---|
580 | if (virtualNodesEnabled != enabled) {
|
---|
581 | virtualNodesEnabled = enabled;
|
---|
582 | repaint();
|
---|
583 | }
|
---|
584 | }
|
---|
585 |
|
---|
586 | /**
|
---|
587 | * Checks if virtual nodes should be drawn. Default is <code>false</code>
|
---|
588 | * @return The virtual nodes property.
|
---|
589 | * @see Rendering#render(DataSet, boolean, Bounds)
|
---|
590 | */
|
---|
591 | public boolean isVirtualNodesEnabled() {
|
---|
592 | return virtualNodesEnabled;
|
---|
593 | }
|
---|
594 |
|
---|
595 | /**
|
---|
596 | * Moves the layer to the given new position. No event is fired, but repaints
|
---|
597 | * according to the new Z-Order of the layers.
|
---|
598 | *
|
---|
599 | * @param layer The layer to move
|
---|
600 | * @param pos The new position of the layer
|
---|
601 | */
|
---|
602 | public void moveLayer(Layer layer, int pos) {
|
---|
603 | layerLock.writeLock().lock();
|
---|
604 | layerLock.readLock().lock();
|
---|
605 | EnumSet<LayerListenerType> listenersToFire;
|
---|
606 | Layer oldActiveLayer = activeLayer;
|
---|
607 | OsmDataLayer oldEditLayer = editLayer;
|
---|
608 | try {
|
---|
609 | try {
|
---|
610 | int curLayerPos = layers.indexOf(layer);
|
---|
611 | if (curLayerPos == -1)
|
---|
612 | throw new IllegalArgumentException(tr("Layer not in list."));
|
---|
613 | if (pos == curLayerPos)
|
---|
614 | return; // already in place.
|
---|
615 | layers.remove(curLayerPos);
|
---|
616 | if (pos >= layers.size()) {
|
---|
617 | layers.add(layer);
|
---|
618 | } else {
|
---|
619 | layers.add(pos, layer);
|
---|
620 | }
|
---|
621 | listenersToFire = setEditLayer(layers);
|
---|
622 | } finally {
|
---|
623 | layerLock.writeLock().unlock();
|
---|
624 | }
|
---|
625 | onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
|
---|
626 | AudioPlayer.reset();
|
---|
627 | } finally {
|
---|
628 | layerLock.readLock().unlock();
|
---|
629 | }
|
---|
630 | repaint();
|
---|
631 | }
|
---|
632 |
|
---|
633 | /**
|
---|
634 | * Gets the index of the layer in the layer list.
|
---|
635 | * @param layer The layer to search for.
|
---|
636 | * @return The index in the list.
|
---|
637 | * @throws IllegalArgumentException if that layer does not belong to this view.
|
---|
638 | */
|
---|
639 | public int getLayerPos(Layer layer) {
|
---|
640 | int curLayerPos;
|
---|
641 | layerLock.readLock().lock();
|
---|
642 | try {
|
---|
643 | curLayerPos = layers.indexOf(layer);
|
---|
644 | } finally {
|
---|
645 | layerLock.readLock().unlock();
|
---|
646 | }
|
---|
647 | if (curLayerPos == -1)
|
---|
648 | throw new IllegalArgumentException(tr("Layer not in list."));
|
---|
649 | return curLayerPos;
|
---|
650 | }
|
---|
651 |
|
---|
652 | /**
|
---|
653 | * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
|
---|
654 | * first, layer with the highest Z-Order last.
|
---|
655 | * <p>
|
---|
656 | * The active data layer is pulled above all adjacent data layers.
|
---|
657 | *
|
---|
658 | * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
|
---|
659 | * first, layer with the highest Z-Order last.
|
---|
660 | */
|
---|
661 | public List<Layer> getVisibleLayersInZOrder() {
|
---|
662 | layerLock.readLock().lock();
|
---|
663 | try {
|
---|
664 | List<Layer> ret = new ArrayList<>();
|
---|
665 | // This is set while we delay the addition of the active layer.
|
---|
666 | boolean activeLayerDelayed = false;
|
---|
667 | for (ListIterator<Layer> iterator = layers.listIterator(layers.size()); iterator.hasPrevious();) {
|
---|
668 | Layer l = iterator.previous();
|
---|
669 | if (!l.isVisible()) {
|
---|
670 | // ignored
|
---|
671 | } else if (l == activeLayer && l instanceof OsmDataLayer) {
|
---|
672 | // delay and add after the current block of OsmDataLayer
|
---|
673 | activeLayerDelayed = true;
|
---|
674 | } else {
|
---|
675 | if (activeLayerDelayed && !(l instanceof OsmDataLayer)) {
|
---|
676 | // add active layer before the current one.
|
---|
677 | ret.add(activeLayer);
|
---|
678 | activeLayerDelayed = false;
|
---|
679 | }
|
---|
680 | // Add this layer now
|
---|
681 | ret.add(l);
|
---|
682 | }
|
---|
683 | }
|
---|
684 | if (activeLayerDelayed) {
|
---|
685 | ret.add(activeLayer);
|
---|
686 | }
|
---|
687 | return ret;
|
---|
688 | } finally {
|
---|
689 | layerLock.readLock().unlock();
|
---|
690 | }
|
---|
691 | }
|
---|
692 |
|
---|
693 | private void paintLayer(Layer layer, Graphics2D g, Bounds box) {
|
---|
694 | if (layer.getOpacity() < 1) {
|
---|
695 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) layer.getOpacity()));
|
---|
696 | }
|
---|
697 | layer.paint(g, this, box);
|
---|
698 | g.setPaintMode();
|
---|
699 | }
|
---|
700 |
|
---|
701 | /**
|
---|
702 | * Draw the component.
|
---|
703 | */
|
---|
704 | @Override
|
---|
705 | public void paint(Graphics g) {
|
---|
706 | if (!prepareToDraw()) {
|
---|
707 | return;
|
---|
708 | }
|
---|
709 |
|
---|
710 | List<Layer> visibleLayers = getVisibleLayersInZOrder();
|
---|
711 |
|
---|
712 | int nonChangedLayersCount = 0;
|
---|
713 | for (Layer l: visibleLayers) {
|
---|
714 | if (l.isChanged() || l == changedLayer) {
|
---|
715 | break;
|
---|
716 | } else {
|
---|
717 | nonChangedLayersCount++;
|
---|
718 | }
|
---|
719 | }
|
---|
720 |
|
---|
721 | boolean canUseBuffer;
|
---|
722 |
|
---|
723 | synchronized (this) {
|
---|
724 | canUseBuffer = !paintPreferencesChanged;
|
---|
725 | paintPreferencesChanged = false;
|
---|
726 | }
|
---|
727 | canUseBuffer = canUseBuffer && nonChangedLayers.size() <= nonChangedLayersCount &&
|
---|
728 | lastViewID == getViewID() && lastClipBounds.contains(g.getClipBounds());
|
---|
729 | if (canUseBuffer) {
|
---|
730 | for (int i = 0; i < nonChangedLayers.size(); i++) {
|
---|
731 | if (visibleLayers.get(i) != nonChangedLayers.get(i)) {
|
---|
732 | canUseBuffer = false;
|
---|
733 | break;
|
---|
734 | }
|
---|
735 | }
|
---|
736 | }
|
---|
737 |
|
---|
738 | if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth() || offscreenBuffer.getHeight() != getHeight()) {
|
---|
739 | offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
|
---|
740 | }
|
---|
741 |
|
---|
742 | Graphics2D tempG = offscreenBuffer.createGraphics();
|
---|
743 | tempG.setClip(g.getClip());
|
---|
744 | Bounds box = getLatLonBounds(g.getClipBounds());
|
---|
745 |
|
---|
746 | if (!canUseBuffer || nonChangedLayersBuffer == null) {
|
---|
747 | if (null == nonChangedLayersBuffer
|
---|
748 | || nonChangedLayersBuffer.getWidth() != getWidth() || nonChangedLayersBuffer.getHeight() != getHeight()) {
|
---|
749 | nonChangedLayersBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
|
---|
750 | }
|
---|
751 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
752 | g2.setClip(g.getClip());
|
---|
753 | g2.setColor(PaintColors.getBackgroundColor());
|
---|
754 | g2.fillRect(0, 0, getWidth(), getHeight());
|
---|
755 |
|
---|
756 | for (int i = 0; i < nonChangedLayersCount; i++) {
|
---|
757 | paintLayer(visibleLayers.get(i), g2, box);
|
---|
758 | }
|
---|
759 | } else {
|
---|
760 | // Maybe there were more unchanged layers then last time - draw them to buffer
|
---|
761 | if (nonChangedLayers.size() != nonChangedLayersCount) {
|
---|
762 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
763 | g2.setClip(g.getClip());
|
---|
764 | for (int i = nonChangedLayers.size(); i < nonChangedLayersCount; i++) {
|
---|
765 | paintLayer(visibleLayers.get(i), g2, box);
|
---|
766 | }
|
---|
767 | }
|
---|
768 | }
|
---|
769 |
|
---|
770 | nonChangedLayers.clear();
|
---|
771 | changedLayer = null;
|
---|
772 | for (int i = 0; i < nonChangedLayersCount; i++) {
|
---|
773 | nonChangedLayers.add(visibleLayers.get(i));
|
---|
774 | }
|
---|
775 | lastViewID = getViewID();
|
---|
776 | lastClipBounds = g.getClipBounds();
|
---|
777 |
|
---|
778 | tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);
|
---|
779 |
|
---|
780 | for (int i = nonChangedLayersCount; i < visibleLayers.size(); i++) {
|
---|
781 | paintLayer(visibleLayers.get(i), tempG, box);
|
---|
782 | }
|
---|
783 |
|
---|
784 | synchronized (temporaryLayers) {
|
---|
785 | for (MapViewPaintable mvp : temporaryLayers) {
|
---|
786 | mvp.paint(tempG, this, box);
|
---|
787 | }
|
---|
788 | }
|
---|
789 |
|
---|
790 | // draw world borders
|
---|
791 | tempG.setColor(Color.WHITE);
|
---|
792 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
793 | double lat = b.getMinLat();
|
---|
794 | double lon = b.getMinLon();
|
---|
795 |
|
---|
796 | Point p = getPoint(b.getMin());
|
---|
797 |
|
---|
798 | GeneralPath path = new GeneralPath();
|
---|
799 |
|
---|
800 | path.moveTo(p.x, p.y);
|
---|
801 | double max = b.getMax().lat();
|
---|
802 | for (; lat <= max; lat += 1.0) {
|
---|
803 | p = getPoint(new LatLon(lat >= max ? max : lat, lon));
|
---|
804 | path.lineTo(p.x, p.y);
|
---|
805 | }
|
---|
806 | lat = max; max = b.getMax().lon();
|
---|
807 | for (; lon <= max; lon += 1.0) {
|
---|
808 | p = getPoint(new LatLon(lat, lon >= max ? max : lon));
|
---|
809 | path.lineTo(p.x, p.y);
|
---|
810 | }
|
---|
811 | lon = max; max = b.getMinLat();
|
---|
812 | for (; lat >= max; lat -= 1.0) {
|
---|
813 | p = getPoint(new LatLon(lat <= max ? max : lat, lon));
|
---|
814 | path.lineTo(p.x, p.y);
|
---|
815 | }
|
---|
816 | lat = max; max = b.getMinLon();
|
---|
817 | for (; lon >= max; lon -= 1.0) {
|
---|
818 | p = getPoint(new LatLon(lat, lon <= max ? max : lon));
|
---|
819 | path.lineTo(p.x, p.y);
|
---|
820 | }
|
---|
821 |
|
---|
822 | int w = getWidth();
|
---|
823 | int h = getHeight();
|
---|
824 |
|
---|
825 | // Work around OpenJDK having problems when drawing out of bounds
|
---|
826 | final Area border = new Area(path);
|
---|
827 | // Make the viewport 1px larger in every direction to prevent an
|
---|
828 | // additional 1px border when zooming in
|
---|
829 | final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
|
---|
830 | border.intersect(viewport);
|
---|
831 | tempG.draw(border);
|
---|
832 |
|
---|
833 | if (Main.isDisplayingMapView() && Main.map.filterDialog != null) {
|
---|
834 | Main.map.filterDialog.drawOSDText(tempG);
|
---|
835 | }
|
---|
836 |
|
---|
837 | if (playHeadMarker != null) {
|
---|
838 | playHeadMarker.paint(tempG, this);
|
---|
839 | }
|
---|
840 |
|
---|
841 | g.drawImage(offscreenBuffer, 0, 0, null);
|
---|
842 | super.paint(g);
|
---|
843 | }
|
---|
844 |
|
---|
845 | /**
|
---|
846 | * Sets up the viewport to prepare for drawing the view.
|
---|
847 | * @return <code>true</code> if the view can be drawn, <code>false</code> otherwise.
|
---|
848 | */
|
---|
849 | public boolean prepareToDraw() {
|
---|
850 | if (initialViewport != null) {
|
---|
851 | zoomTo(initialViewport);
|
---|
852 | initialViewport = null;
|
---|
853 | }
|
---|
854 | if (BugReportExceptionHandler.exceptionHandlingInProgress())
|
---|
855 | return false;
|
---|
856 |
|
---|
857 | if (getCenter() == null)
|
---|
858 | return false; // no data loaded yet.
|
---|
859 |
|
---|
860 | // if the position was remembered, we need to adjust center once before repainting
|
---|
861 | if (oldLoc != null && oldSize != null) {
|
---|
862 | Point l1 = getLocationOnScreen();
|
---|
863 | final EastNorth newCenter = new EastNorth(
|
---|
864 | getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
|
---|
865 | getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
|
---|
866 | );
|
---|
867 | oldLoc = null; oldSize = null;
|
---|
868 | zoomTo(newCenter);
|
---|
869 | }
|
---|
870 |
|
---|
871 | return true;
|
---|
872 | }
|
---|
873 |
|
---|
874 | /**
|
---|
875 | * @return An unmodifiable collection of all layers
|
---|
876 | */
|
---|
877 | public Collection<Layer> getAllLayers() {
|
---|
878 | layerLock.readLock().lock();
|
---|
879 | try {
|
---|
880 | return Collections.unmodifiableCollection(new ArrayList<>(layers));
|
---|
881 | } finally {
|
---|
882 | layerLock.readLock().unlock();
|
---|
883 | }
|
---|
884 | }
|
---|
885 |
|
---|
886 | /**
|
---|
887 | * @return An unmodifiable ordered list of all layers
|
---|
888 | */
|
---|
889 | public List<Layer> getAllLayersAsList() {
|
---|
890 | layerLock.readLock().lock();
|
---|
891 | try {
|
---|
892 | return Collections.unmodifiableList(new ArrayList<>(layers));
|
---|
893 | } finally {
|
---|
894 | layerLock.readLock().unlock();
|
---|
895 | }
|
---|
896 | }
|
---|
897 |
|
---|
898 | /**
|
---|
899 | * Replies an unmodifiable list of layers of a certain type.
|
---|
900 | *
|
---|
901 | * Example:
|
---|
902 | * <pre>
|
---|
903 | * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
|
---|
904 | * </pre>
|
---|
905 | *
|
---|
906 | * @param ofType The layer type.
|
---|
907 | * @return an unmodifiable list of layers of a certain type.
|
---|
908 | */
|
---|
909 | public <T extends Layer> List<T> getLayersOfType(Class<T> ofType) {
|
---|
910 | return new ArrayList<>(Utils.filteredCollection(getAllLayers(), ofType));
|
---|
911 | }
|
---|
912 |
|
---|
913 | /**
|
---|
914 | * Replies the number of layers managed by this map view
|
---|
915 | *
|
---|
916 | * @return the number of layers managed by this map view
|
---|
917 | */
|
---|
918 | public int getNumLayers() {
|
---|
919 | layerLock.readLock().lock();
|
---|
920 | try {
|
---|
921 | return layers.size();
|
---|
922 | } finally {
|
---|
923 | layerLock.readLock().unlock();
|
---|
924 | }
|
---|
925 | }
|
---|
926 |
|
---|
927 | /**
|
---|
928 | * Replies true if there is at least one layer in this map view
|
---|
929 | *
|
---|
930 | * @return true if there is at least one layer in this map view
|
---|
931 | */
|
---|
932 | public boolean hasLayers() {
|
---|
933 | return getNumLayers() > 0;
|
---|
934 | }
|
---|
935 |
|
---|
936 | /**
|
---|
937 | * Sets the active edit layer.
|
---|
938 | * <p>
|
---|
939 | * You must own a write {@link #layerLock} when calling this method.
|
---|
940 | * @param layersList A list to select that layer from.
|
---|
941 | * @return A list of change listeners that should be fired using {@link #onActiveEditLayerChanged(Layer, OsmDataLayer, EnumSet)}
|
---|
942 | */
|
---|
943 | private EnumSet<LayerListenerType> setEditLayer(List<Layer> layersList) {
|
---|
944 | final OsmDataLayer newEditLayer = findNewEditLayer(layersList);
|
---|
945 |
|
---|
946 | // Set new edit layer
|
---|
947 | if (newEditLayer != editLayer) {
|
---|
948 | if (newEditLayer == null) {
|
---|
949 | // Note: Unsafe to call while layer write lock is held.
|
---|
950 | getCurrentDataSet().setSelected();
|
---|
951 | }
|
---|
952 |
|
---|
953 | editLayer = newEditLayer;
|
---|
954 | return EnumSet.of(LayerListenerType.EDIT_LAYER_CHANGE);
|
---|
955 | } else {
|
---|
956 | return EnumSet.noneOf(LayerListenerType.class);
|
---|
957 | }
|
---|
958 |
|
---|
959 | }
|
---|
960 |
|
---|
961 | private OsmDataLayer findNewEditLayer(List<Layer> layersList) {
|
---|
962 | OsmDataLayer newEditLayer = layersList.contains(editLayer) ? editLayer : null;
|
---|
963 | // Find new edit layer
|
---|
964 | if (activeLayer != editLayer || !layersList.contains(editLayer)) {
|
---|
965 | if (activeLayer instanceof OsmDataLayer && layersList.contains(activeLayer)) {
|
---|
966 | newEditLayer = (OsmDataLayer) activeLayer;
|
---|
967 | } else {
|
---|
968 | for (Layer layer:layersList) {
|
---|
969 | if (layer instanceof OsmDataLayer) {
|
---|
970 | newEditLayer = (OsmDataLayer) layer;
|
---|
971 | break;
|
---|
972 | }
|
---|
973 | }
|
---|
974 | }
|
---|
975 | }
|
---|
976 | return newEditLayer;
|
---|
977 | }
|
---|
978 |
|
---|
979 | /**
|
---|
980 | * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
|
---|
981 | * of {@link OsmDataLayer} also sets {@link #editLayer} to <code>layer</code>.
|
---|
982 | *
|
---|
983 | * @param layer the layer to be activate; must be one of the layers in the list of layers
|
---|
984 | * @throws IllegalArgumentException if layer is not in the lis of layers
|
---|
985 | */
|
---|
986 | public void setActiveLayer(Layer layer) {
|
---|
987 | layerLock.writeLock().lock();
|
---|
988 | layerLock.readLock().lock();
|
---|
989 | EnumSet<LayerListenerType> listenersToFire;
|
---|
990 | Layer oldActiveLayer = activeLayer;
|
---|
991 | OsmDataLayer oldEditLayer = editLayer;
|
---|
992 | try {
|
---|
993 | try {
|
---|
994 | listenersToFire = setActiveLayer(layer, true);
|
---|
995 | } finally {
|
---|
996 | layerLock.writeLock().unlock();
|
---|
997 | }
|
---|
998 | onActiveEditLayerChanged(oldActiveLayer, oldEditLayer, listenersToFire);
|
---|
999 | } finally {
|
---|
1000 | layerLock.readLock().unlock();
|
---|
1001 | }
|
---|
1002 | repaint();
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 | /**
|
---|
1006 | * Sets the active layer. Propagates this change to all map buttons.
|
---|
1007 | * @param layer The layer to be active.
|
---|
1008 | * @param setEditLayer if this is <code>true</code>, the edit layer is also set.
|
---|
1009 | * @return A list of change listeners that should be fired using {@link #onActiveEditLayerChanged(Layer, OsmDataLayer, EnumSet)}
|
---|
1010 | */
|
---|
1011 | private EnumSet<LayerListenerType> setActiveLayer(final Layer layer, boolean setEditLayer) {
|
---|
1012 | if (layer != null && !layers.contains(layer))
|
---|
1013 | throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
|
---|
1014 |
|
---|
1015 | if (layer == activeLayer)
|
---|
1016 | return EnumSet.noneOf(LayerListenerType.class);
|
---|
1017 |
|
---|
1018 | activeLayer = layer;
|
---|
1019 | EnumSet<LayerListenerType> listenersToFire = EnumSet.of(LayerListenerType.ACTIVE_LAYER_CHANGE);
|
---|
1020 | if (setEditLayer) {
|
---|
1021 | listenersToFire.addAll(setEditLayer(layers));
|
---|
1022 | }
|
---|
1023 |
|
---|
1024 | return listenersToFire;
|
---|
1025 | }
|
---|
1026 |
|
---|
1027 | /**
|
---|
1028 | * Replies the currently active layer
|
---|
1029 | *
|
---|
1030 | * @return the currently active layer (may be null)
|
---|
1031 | */
|
---|
1032 | public Layer getActiveLayer() {
|
---|
1033 | layerLock.readLock().lock();
|
---|
1034 | try {
|
---|
1035 | return activeLayer;
|
---|
1036 | } finally {
|
---|
1037 | layerLock.readLock().unlock();
|
---|
1038 | }
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 | private enum LayerListenerType {
|
---|
1042 | ACTIVE_LAYER_CHANGE,
|
---|
1043 | EDIT_LAYER_CHANGE
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | /**
|
---|
1047 | * This is called whenever one of active layer/edit layer or both may have been changed,
|
---|
1048 | * @param oldActive The old active layer
|
---|
1049 | * @param oldEdit The old edit layer.
|
---|
1050 | * @param listenersToFire A mask of listeners to fire using {@link LayerListenerType}s
|
---|
1051 | */
|
---|
1052 | private void onActiveEditLayerChanged(final Layer oldActive, final OsmDataLayer oldEdit, EnumSet<LayerListenerType> listenersToFire) {
|
---|
1053 | if (listenersToFire.contains(LayerListenerType.EDIT_LAYER_CHANGE)) {
|
---|
1054 | onEditLayerChanged(oldEdit);
|
---|
1055 | }
|
---|
1056 | if (listenersToFire.contains(LayerListenerType.ACTIVE_LAYER_CHANGE)) {
|
---|
1057 | onActiveLayerChanged(oldActive);
|
---|
1058 | }
|
---|
1059 | }
|
---|
1060 |
|
---|
1061 | private void onActiveLayerChanged(final Layer old) {
|
---|
1062 | fireActiveLayerChanged(old, activeLayer);
|
---|
1063 |
|
---|
1064 | /* This only makes the buttons look disabled. Disabling the actions as well requires
|
---|
1065 | * the user to re-select the tool after i.e. moving a layer. While testing I found
|
---|
1066 | * that I switch layers and actions at the same time and it was annoying to mind the
|
---|
1067 | * order. This way it works as visual clue for new users */
|
---|
1068 | for (final AbstractButton b: Main.map.allMapModeButtons) {
|
---|
1069 | MapMode mode = (MapMode) b.getAction();
|
---|
1070 | final boolean activeLayerSupported = mode.layerIsSupported(activeLayer);
|
---|
1071 | if (activeLayerSupported) {
|
---|
1072 | Main.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
|
---|
1073 | } else {
|
---|
1074 | Main.unregisterShortcut(mode.getShortcut());
|
---|
1075 | }
|
---|
1076 | GuiHelper.runInEDTAndWait(new Runnable() {
|
---|
1077 | @Override public void run() {
|
---|
1078 | b.setEnabled(activeLayerSupported);
|
---|
1079 | }
|
---|
1080 | });
|
---|
1081 | }
|
---|
1082 | AudioPlayer.reset();
|
---|
1083 | repaint();
|
---|
1084 | }
|
---|
1085 |
|
---|
1086 | /**
|
---|
1087 | * Replies the current edit layer, if any
|
---|
1088 | *
|
---|
1089 | * @return the current edit layer. May be null.
|
---|
1090 | */
|
---|
1091 | public OsmDataLayer getEditLayer() {
|
---|
1092 | layerLock.readLock().lock();
|
---|
1093 | try {
|
---|
1094 | return editLayer;
|
---|
1095 | } finally {
|
---|
1096 | layerLock.readLock().unlock();
|
---|
1097 | }
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | /**
|
---|
1101 | * replies true if the list of layers managed by this map view contain layer
|
---|
1102 | *
|
---|
1103 | * @param layer the layer
|
---|
1104 | * @return true if the list of layers managed by this map view contain layer
|
---|
1105 | */
|
---|
1106 | public boolean hasLayer(Layer layer) {
|
---|
1107 | layerLock.readLock().lock();
|
---|
1108 | try {
|
---|
1109 | return layers.contains(layer);
|
---|
1110 | } finally {
|
---|
1111 | layerLock.readLock().unlock();
|
---|
1112 | }
|
---|
1113 | }
|
---|
1114 |
|
---|
1115 | /**
|
---|
1116 | * Adds a new temporary layer.
|
---|
1117 | * <p>
|
---|
1118 | * A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added.
|
---|
1119 | *
|
---|
1120 | * @param mvp The layer to paint.
|
---|
1121 | * @return <code>true</code> if the layer was added.
|
---|
1122 | */
|
---|
1123 | public boolean addTemporaryLayer(MapViewPaintable mvp) {
|
---|
1124 | synchronized (temporaryLayers) {
|
---|
1125 | return temporaryLayers.add(mvp);
|
---|
1126 | }
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | /**
|
---|
1130 | * Removes a layer previously added as temporary layer.
|
---|
1131 | * @param mvp The layer to remove.
|
---|
1132 | * @return <code>true</code> if that layer was removed.
|
---|
1133 | */
|
---|
1134 | public boolean removeTemporaryLayer(MapViewPaintable mvp) {
|
---|
1135 | synchronized (temporaryLayers) {
|
---|
1136 | return temporaryLayers.remove(mvp);
|
---|
1137 | }
|
---|
1138 | }
|
---|
1139 |
|
---|
1140 | /**
|
---|
1141 | * Gets a list of temporary layers.
|
---|
1142 | * @return The layers in the order they are added.
|
---|
1143 | */
|
---|
1144 | public List<MapViewPaintable> getTemporaryLayers() {
|
---|
1145 | synchronized (temporaryLayers) {
|
---|
1146 | return Collections.unmodifiableList(new ArrayList<>(temporaryLayers));
|
---|
1147 | }
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | @Override
|
---|
1151 | public void propertyChange(PropertyChangeEvent evt) {
|
---|
1152 | if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
|
---|
1153 | repaint();
|
---|
1154 | } else if (evt.getPropertyName().equals(Layer.OPACITY_PROP)) {
|
---|
1155 | Layer l = (Layer) evt.getSource();
|
---|
1156 | if (l.isVisible()) {
|
---|
1157 | changedLayer = l;
|
---|
1158 | repaint();
|
---|
1159 | }
|
---|
1160 | } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
|
---|
1161 | || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
|
---|
1162 | OsmDataLayer layer = (OsmDataLayer) evt.getSource();
|
---|
1163 | if (layer == getEditLayer()) {
|
---|
1164 | refreshTitle();
|
---|
1165 | }
|
---|
1166 | }
|
---|
1167 | }
|
---|
1168 |
|
---|
1169 | /**
|
---|
1170 | * Sets the title of the JOSM main window, adding a star if there are dirty layers.
|
---|
1171 | * @see Main#parent
|
---|
1172 | */
|
---|
1173 | protected void refreshTitle() {
|
---|
1174 | if (Main.parent != null) {
|
---|
1175 | layerLock.readLock().lock();
|
---|
1176 | try {
|
---|
1177 | boolean dirty = editLayer != null &&
|
---|
1178 | (editLayer.requiresSaveToFile() || (editLayer.requiresUploadToServer() && !editLayer.isUploadDiscouraged()));
|
---|
1179 | ((JFrame) Main.parent).setTitle((dirty ? "* " : "") + tr("Java OpenStreetMap Editor"));
|
---|
1180 | ((JFrame) Main.parent).getRootPane().putClientProperty("Window.documentModified", dirty);
|
---|
1181 | } finally {
|
---|
1182 | layerLock.readLock().unlock();
|
---|
1183 | }
|
---|
1184 | }
|
---|
1185 | }
|
---|
1186 |
|
---|
1187 | @Override
|
---|
1188 | public void preferenceChanged(PreferenceChangeEvent e) {
|
---|
1189 | synchronized (this) {
|
---|
1190 | paintPreferencesChanged = true;
|
---|
1191 | }
|
---|
1192 | }
|
---|
1193 |
|
---|
1194 | private transient SelectionChangedListener repaintSelectionChangedListener = new SelectionChangedListener() {
|
---|
1195 | @Override
|
---|
1196 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
|
---|
1197 | repaint();
|
---|
1198 | }
|
---|
1199 | };
|
---|
1200 |
|
---|
1201 | public void destroy() {
|
---|
1202 | Main.pref.removePreferenceChangeListener(this);
|
---|
1203 | DataSet.removeSelectionListener(repaintSelectionChangedListener);
|
---|
1204 | MultipolygonCache.getInstance().clear(this);
|
---|
1205 | if (mapMover != null) {
|
---|
1206 | mapMover.destroy();
|
---|
1207 | }
|
---|
1208 | layerLock.writeLock().lock();
|
---|
1209 | try {
|
---|
1210 | activeLayer = null;
|
---|
1211 | changedLayer = null;
|
---|
1212 | editLayer = null;
|
---|
1213 | layers.clear();
|
---|
1214 | } finally {
|
---|
1215 | layerLock.writeLock().unlock();
|
---|
1216 | }
|
---|
1217 | nonChangedLayers.clear();
|
---|
1218 | synchronized (temporaryLayers) {
|
---|
1219 | temporaryLayers.clear();
|
---|
1220 | }
|
---|
1221 | }
|
---|
1222 |
|
---|
1223 | @Override
|
---|
1224 | public void uploadDiscouragedChanged(OsmDataLayer layer, boolean newValue) {
|
---|
1225 | if (layer == getEditLayer()) {
|
---|
1226 | refreshTitle();
|
---|
1227 | }
|
---|
1228 | }
|
---|
1229 |
|
---|
1230 | /**
|
---|
1231 | * Get a string representation of all layers suitable for the {@code source} changeset tag.
|
---|
1232 | * @return A String of sources separated by ';'
|
---|
1233 | */
|
---|
1234 | public String getLayerInformationForSourceTag() {
|
---|
1235 | final Collection<String> layerInfo = new ArrayList<>();
|
---|
1236 | if (!getLayersOfType(GpxLayer.class).isEmpty()) {
|
---|
1237 | // no i18n for international values
|
---|
1238 | layerInfo.add("survey");
|
---|
1239 | }
|
---|
1240 | for (final GeoImageLayer i : getLayersOfType(GeoImageLayer.class)) {
|
---|
1241 | layerInfo.add(i.getName());
|
---|
1242 | }
|
---|
1243 | for (final ImageryLayer i : getLayersOfType(ImageryLayer.class)) {
|
---|
1244 | layerInfo.add(ImageryInfo.ImageryType.BING.equals(i.getInfo().getImageryType()) ? "Bing" : i.getName());
|
---|
1245 | }
|
---|
1246 | return Utils.join("; ", layerInfo);
|
---|
1247 | }
|
---|
1248 |
|
---|
1249 | /**
|
---|
1250 | * This is a listener that gets informed whenever repaint is called for this MapView.
|
---|
1251 | * <p>
|
---|
1252 | * This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly.
|
---|
1253 | * @author Michael Zangl
|
---|
1254 | */
|
---|
1255 | public interface RepaintListener {
|
---|
1256 | /**
|
---|
1257 | * Called when any repaint method is called (using default arguments if required).
|
---|
1258 | * @param tm see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
1259 | * @param x see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
1260 | * @param y see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
1261 | * @param width see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
1262 | * @param height see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
1263 | */
|
---|
1264 | void repaint(long tm, int x, int y, int width, int height);
|
---|
1265 | }
|
---|
1266 |
|
---|
1267 | private final CopyOnWriteArrayList<RepaintListener> repaintListeners = new CopyOnWriteArrayList<>();
|
---|
1268 |
|
---|
1269 | /**
|
---|
1270 | * Adds a listener that gets informed whenever repaint() is called for this class.
|
---|
1271 | * @param l The listener.
|
---|
1272 | */
|
---|
1273 | public void addRepaintListener(RepaintListener l) {
|
---|
1274 | repaintListeners.add(l);
|
---|
1275 | }
|
---|
1276 |
|
---|
1277 | /**
|
---|
1278 | * Removes a registered repaint listener.
|
---|
1279 | * @param l The listener.
|
---|
1280 | */
|
---|
1281 | public void removeRepaintListener(RepaintListener l) {
|
---|
1282 | repaintListeners.remove(l);
|
---|
1283 | }
|
---|
1284 |
|
---|
1285 | @Override
|
---|
1286 | public void repaint(long tm, int x, int y, int width, int height) {
|
---|
1287 | // This is the main repaint method, all other methods are convenience methods and simply call this method.
|
---|
1288 | // This is just an observation, not a must, but seems to be true for all implementations I found so far.
|
---|
1289 | if (repaintListeners != null) {
|
---|
1290 | // Might get called early in super constructor
|
---|
1291 | for (RepaintListener l : repaintListeners) {
|
---|
1292 | l.repaint(tm, x, y, width, height);
|
---|
1293 | }
|
---|
1294 | }
|
---|
1295 | super.repaint(tm, x, y, width, height);
|
---|
1296 | }
|
---|
1297 | }
|
---|