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 java.awt.AlphaComposite;
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5 | import java.awt.Color;
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6 | import java.awt.Dimension;
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7 | import java.awt.Graphics;
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8 | import java.awt.Graphics2D;
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9 | import java.awt.Point;
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10 | import java.awt.Rectangle;
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11 | import java.awt.Shape;
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12 | import java.awt.event.ComponentAdapter;
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13 | import java.awt.event.ComponentEvent;
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14 | import java.awt.event.KeyEvent;
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15 | import java.awt.event.MouseAdapter;
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16 | import java.awt.event.MouseEvent;
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17 | import java.awt.event.MouseMotionListener;
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18 | import java.awt.geom.AffineTransform;
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19 | import java.awt.geom.Area;
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20 | import java.awt.image.BufferedImage;
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21 | import java.beans.PropertyChangeEvent;
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22 | import java.beans.PropertyChangeListener;
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23 | import java.util.ArrayList;
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24 | import java.util.Arrays;
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25 | import java.util.Collections;
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26 | import java.util.HashMap;
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27 | import java.util.IdentityHashMap;
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28 | import java.util.LinkedHashSet;
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29 | import java.util.List;
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30 | import java.util.Set;
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31 | import java.util.TreeSet;
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32 | import java.util.concurrent.CopyOnWriteArrayList;
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33 | import java.util.concurrent.atomic.AtomicBoolean;
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34 |
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35 | import javax.swing.AbstractButton;
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36 | import javax.swing.JComponent;
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37 | import javax.swing.SwingUtilities;
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38 |
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39 | import org.openstreetmap.josm.Main;
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40 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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41 | import org.openstreetmap.josm.data.Bounds;
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42 | import org.openstreetmap.josm.data.ProjectionBounds;
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43 | import org.openstreetmap.josm.data.ViewportData;
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44 | import org.openstreetmap.josm.data.coor.EastNorth;
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45 | import org.openstreetmap.josm.data.imagery.ImageryInfo;
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46 | import org.openstreetmap.josm.data.osm.DataSelectionListener;
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47 | import org.openstreetmap.josm.data.osm.event.SelectionEventManager;
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48 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
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49 | import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
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50 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
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51 | import org.openstreetmap.josm.gui.MapViewState.MapViewRectangle;
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52 | import org.openstreetmap.josm.gui.autofilter.AutoFilterManager;
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53 | import org.openstreetmap.josm.gui.datatransfer.OsmTransferHandler;
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54 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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55 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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56 | import org.openstreetmap.josm.gui.layer.Layer;
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57 | import org.openstreetmap.josm.gui.layer.LayerManager;
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58 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
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59 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
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60 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
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61 | import org.openstreetmap.josm.gui.layer.MainLayerManager;
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62 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
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63 | import org.openstreetmap.josm.gui.layer.MapViewGraphics;
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64 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
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65 | import org.openstreetmap.josm.gui.layer.MapViewPaintable.LayerPainter;
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66 | import org.openstreetmap.josm.gui.layer.MapViewPaintable.MapViewEvent;
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67 | import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationEvent;
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68 | import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationListener;
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69 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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70 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
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71 | import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
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72 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
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73 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.MapPaintSylesUpdateListener;
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74 | import org.openstreetmap.josm.io.audio.AudioPlayer;
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75 | import org.openstreetmap.josm.spi.preferences.Config;
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76 | import org.openstreetmap.josm.spi.preferences.PreferenceChangeEvent;
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77 | import org.openstreetmap.josm.spi.preferences.PreferenceChangedListener;
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78 | import org.openstreetmap.josm.tools.JosmRuntimeException;
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79 | import org.openstreetmap.josm.tools.Logging;
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80 | import org.openstreetmap.josm.tools.Shortcut;
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81 | import org.openstreetmap.josm.tools.Utils;
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82 | import org.openstreetmap.josm.tools.bugreport.BugReport;
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83 |
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84 | /**
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85 | * This is a component used in the {@link MapFrame} for browsing the map. It use is to
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86 | * provide the MapMode's enough capabilities to operate.<br><br>
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87 | *
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88 | * {@code MapView} holds meta-data about the data set currently displayed, as scale level,
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89 | * center point viewed, what scrolling mode or editing mode is selected or with
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90 | * what projection the map is viewed etc..<br><br>
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91 | *
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92 | * {@code MapView} is able to administrate several layers.
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93 | *
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94 | * @author imi
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95 | */
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96 | public class MapView extends NavigatableComponent
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97 | implements PropertyChangeListener, PreferenceChangedListener,
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98 | LayerManager.LayerChangeListener, MainLayerManager.ActiveLayerChangeListener {
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99 |
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100 | static {
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101 | MapPaintStyles.addMapPaintSylesUpdateListener(new MapPaintSylesUpdateListener() {
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102 | @Override
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103 | public void mapPaintStylesUpdated() {
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104 | SwingUtilities.invokeLater(() -> {
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105 | // Trigger a repaint of all data layers
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106 | MainApplication.getLayerManager().getLayers()
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107 | .stream()
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108 | .filter(layer -> layer instanceof OsmDataLayer)
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109 | .forEach(Layer::invalidate);
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110 | });
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111 | }
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112 |
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113 | @Override
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114 | public void mapPaintStyleEntryUpdated(int index) {
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115 | mapPaintStylesUpdated();
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116 | }
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117 | });
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118 | }
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119 |
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120 | /**
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121 | * An invalidation listener that simply calls repaint() for now.
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122 | * @author Michael Zangl
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123 | * @since 10271
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124 | */
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125 | private class LayerInvalidatedListener implements PaintableInvalidationListener {
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126 | private boolean ignoreRepaint;
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127 |
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128 | private final Set<MapViewPaintable> invalidatedLayers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>());
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129 |
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130 | @Override
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131 | public void paintableInvalidated(PaintableInvalidationEvent event) {
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132 | invalidate(event.getLayer());
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133 | }
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134 |
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135 | /**
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136 | * Invalidate contents and repaint map view
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137 | * @param mapViewPaintable invalidated layer
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138 | */
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139 | public synchronized void invalidate(MapViewPaintable mapViewPaintable) {
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140 | ignoreRepaint = true;
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141 | invalidatedLayers.add(mapViewPaintable);
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142 | repaint();
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143 | }
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144 |
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145 | /**
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146 | * Temporary until all {@link MapViewPaintable}s support this.
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147 | * @param p The paintable.
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148 | */
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149 | public synchronized void addTo(MapViewPaintable p) {
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150 | p.addInvalidationListener(this);
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151 | }
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152 |
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153 | /**
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154 | * Temporary until all {@link MapViewPaintable}s support this.
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155 | * @param p The paintable.
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156 | */
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157 | public synchronized void removeFrom(MapViewPaintable p) {
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158 | p.removeInvalidationListener(this);
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159 | invalidatedLayers.remove(p);
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160 | }
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161 |
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162 | /**
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163 | * Attempts to trace repaints that did not originate from this listener. Good to find missed {@link MapView#repaint()}s in code.
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164 | */
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165 | protected synchronized void traceRandomRepaint() {
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166 | if (!ignoreRepaint) {
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167 | System.err.println("Repaint:");
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168 | Thread.dumpStack();
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169 | }
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170 | ignoreRepaint = false;
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171 | }
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172 |
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173 | /**
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174 | * Retrieves a set of all layers that have been marked as invalid since the last call to this method.
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175 | * @return The layers
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176 | */
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177 | protected synchronized Set<MapViewPaintable> collectInvalidatedLayers() {
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178 | Set<MapViewPaintable> layers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>());
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179 | layers.addAll(invalidatedLayers);
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180 | invalidatedLayers.clear();
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181 | return layers;
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182 | }
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183 | }
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184 |
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185 | /**
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186 | * A layer painter that issues a warning when being called.
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187 | * @author Michael Zangl
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188 | * @since 10474
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189 | */
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190 | private static class WarningLayerPainter implements LayerPainter {
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191 | boolean warningPrinted;
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192 | private final Layer layer;
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193 |
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194 | WarningLayerPainter(Layer layer) {
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195 | this.layer = layer;
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196 | }
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197 |
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198 | @Override
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199 | public void paint(MapViewGraphics graphics) {
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200 | if (!warningPrinted) {
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201 | Logging.debug("A layer triggered a repaint while being added: " + layer);
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202 | warningPrinted = true;
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203 | }
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204 | }
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205 |
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206 | @Override
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207 | public void detachFromMapView(MapViewEvent event) {
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208 | // ignored
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209 | }
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210 | }
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211 |
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212 | /**
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213 | * A list of all layers currently loaded. If we support multiple map views, this list may be different for each of them.
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214 | */
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215 | private final MainLayerManager layerManager;
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216 |
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217 | /**
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218 | * The play head marker: there is only one of these so it isn't in any specific layer
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219 | */
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220 | public transient PlayHeadMarker playHeadMarker;
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221 |
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222 | /**
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223 | * The last event performed by mouse.
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224 | */
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225 | 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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226 |
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227 | /**
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228 | * Temporary layers (selection rectangle, etc.) that are never cached and
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229 | * drawn on top of regular layers.
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230 | * Access must be synchronized.
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231 | */
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232 | private final transient Set<MapViewPaintable> temporaryLayers = new LinkedHashSet<>();
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233 |
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234 | private transient BufferedImage nonChangedLayersBuffer;
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235 | private transient BufferedImage offscreenBuffer;
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236 | // Layers that wasn't changed since last paint
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237 | private final transient List<Layer> nonChangedLayers = new ArrayList<>();
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238 | private int lastViewID;
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239 | private final AtomicBoolean paintPreferencesChanged = new AtomicBoolean(true);
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240 | private Rectangle lastClipBounds = new Rectangle();
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241 | private transient MapMover mapMover;
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242 |
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243 | /**
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244 | * The listener that listens to invalidations of all layers.
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245 | */
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246 | private final LayerInvalidatedListener invalidatedListener = new LayerInvalidatedListener();
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247 |
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248 | /**
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249 | * This is a map of all Layers that have been added to this view.
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250 | */
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251 | private final HashMap<Layer, LayerPainter> registeredLayers = new HashMap<>();
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252 |
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253 | /**
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254 | * Constructs a new {@code MapView}.
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255 | * @param layerManager The layers to display.
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256 | * @param viewportData the initial viewport of the map. Can be null, then
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257 | * the viewport is derived from the layer data.
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258 | * @since 11713
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259 | */
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260 | public MapView(MainLayerManager layerManager, final ViewportData viewportData) {
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261 | this.layerManager = layerManager;
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262 | initialViewport = viewportData;
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263 | layerManager.addAndFireLayerChangeListener(this);
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264 | layerManager.addActiveLayerChangeListener(this);
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265 | Config.getPref().addPreferenceChangeListener(this);
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266 |
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267 | addComponentListener(new ComponentAdapter() {
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268 | @Override
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269 | public void componentResized(ComponentEvent e) {
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270 | removeComponentListener(this);
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271 | mapMover = new MapMover(MapView.this);
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272 | }
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273 | });
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274 |
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275 | // listens to selection changes to redraw the map
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276 | SelectionEventManager.getInstance().addSelectionListenerForEdt(repaintSelectionChangedListener);
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277 |
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278 | //store the last mouse action
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279 | this.addMouseMotionListener(new MouseMotionListener() {
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280 | @Override
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281 | public void mouseDragged(MouseEvent e) {
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282 | mouseMoved(e);
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283 | }
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284 |
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285 | @Override
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286 | public void mouseMoved(MouseEvent e) {
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287 | lastMEvent = e;
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288 | }
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289 | });
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290 | this.addMouseListener(new MouseAdapter() {
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291 | @Override
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292 | public void mousePressed(MouseEvent me) {
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293 | // focus the MapView component when mouse is pressed inside it
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294 | requestFocus();
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295 | }
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296 | });
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297 |
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298 | setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent());
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299 |
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300 | for (JComponent c : getMapNavigationComponents(this)) {
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301 | add(c);
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302 | }
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303 | if (AutoFilterManager.PROP_AUTO_FILTER_ENABLED.get()) {
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304 | AutoFilterManager.getInstance().enableAutoFilterRule(AutoFilterManager.PROP_AUTO_FILTER_RULE.get());
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305 | }
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306 | setTransferHandler(new OsmTransferHandler());
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307 | }
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308 |
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309 | /**
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310 | * Adds the map navigation components to a
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311 | * @param forMapView The map view to get the components for.
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312 | * @return A list containing the correctly positioned map navigation components.
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313 | */
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314 | public static List<? extends JComponent> getMapNavigationComponents(MapView forMapView) {
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315 | MapSlider zoomSlider = new MapSlider(forMapView);
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316 | Dimension size = zoomSlider.getPreferredSize();
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317 | zoomSlider.setSize(size);
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318 | zoomSlider.setLocation(3, 0);
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319 | zoomSlider.setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent());
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320 |
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321 | MapScaler scaler = new MapScaler(forMapView);
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322 | scaler.setPreferredLineLength(size.width - 10);
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323 | scaler.setSize(scaler.getPreferredSize());
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324 | scaler.setLocation(3, size.height);
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325 |
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326 | return Arrays.asList(zoomSlider, scaler);
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327 | }
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328 |
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329 | // remebered geometry of the component
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330 | private Dimension oldSize;
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331 | private Point oldLoc;
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332 |
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333 | /**
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334 | * Call this method to keep map position on screen during next repaint
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335 | */
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336 | public void rememberLastPositionOnScreen() {
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337 | oldSize = getSize();
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338 | oldLoc = getLocationOnScreen();
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339 | }
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340 |
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341 | @Override
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342 | public void layerAdded(LayerAddEvent e) {
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343 | try {
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344 | Layer layer = e.getAddedLayer();
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345 | registeredLayers.put(layer, new WarningLayerPainter(layer));
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346 | // Layers may trigger a redraw during this call if they open dialogs.
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347 | LayerPainter painter = layer.attachToMapView(new MapViewEvent(this, false));
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348 | if (!registeredLayers.containsKey(layer)) {
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349 | // The layer may have removed itself during attachToMapView()
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350 | Logging.warn("Layer was removed during attachToMapView()");
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351 | } else {
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352 | registeredLayers.put(layer, painter);
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353 |
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354 | if (e.isZoomRequired()) {
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355 | ProjectionBounds viewProjectionBounds = layer.getViewProjectionBounds();
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356 | if (viewProjectionBounds != null) {
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357 | scheduleZoomTo(new ViewportData(viewProjectionBounds));
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358 | }
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359 | }
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360 |
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361 | layer.addPropertyChangeListener(this);
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362 | Main.addProjectionChangeListener(layer);
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363 | invalidatedListener.addTo(layer);
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364 | AudioPlayer.reset();
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365 |
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366 | repaint();
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367 | }
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368 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) {
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369 | throw BugReport.intercept(t).put("layer", e.getAddedLayer());
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370 | }
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371 | }
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372 |
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373 | /**
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374 | * Replies true if the active data layer (edit layer) is drawable.
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375 | *
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376 | * @return true if the active data layer (edit layer) is drawable, false otherwise
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377 | */
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378 | public boolean isActiveLayerDrawable() {
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379 | return layerManager.getEditLayer() != null;
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380 | }
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381 |
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382 | /**
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383 | * Replies true if the active data layer (edit layer) is visible.
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384 | *
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385 | * @return true if the active data layer (edit layer) is visible, false otherwise
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386 | */
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387 | public boolean isActiveLayerVisible() {
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388 | OsmDataLayer e = layerManager.getEditLayer();
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389 | return e != null && e.isVisible();
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390 | }
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391 |
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392 | @Override
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393 | public void layerRemoving(LayerRemoveEvent e) {
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394 | Layer layer = e.getRemovedLayer();
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395 |
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396 | LayerPainter painter = registeredLayers.remove(layer);
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397 | if (painter == null) {
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398 | Logging.error("The painter for layer " + layer + " was not registered.");
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399 | return;
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400 | }
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401 | painter.detachFromMapView(new MapViewEvent(this, false));
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402 | Main.removeProjectionChangeListener(layer);
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403 | layer.removePropertyChangeListener(this);
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404 | invalidatedListener.removeFrom(layer);
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405 | layer.destroy();
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406 | AudioPlayer.reset();
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407 |
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408 | repaint();
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409 | }
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410 |
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411 | private boolean virtualNodesEnabled;
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412 |
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413 | /**
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414 | * Enables or disables drawing of the virtual nodes.
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415 | * @param enabled if virtual nodes are enabled
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416 | */
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417 | public void setVirtualNodesEnabled(boolean enabled) {
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418 | if (virtualNodesEnabled != enabled) {
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419 | virtualNodesEnabled = enabled;
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420 | repaint();
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421 | }
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422 | }
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423 |
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424 | /**
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425 | * Checks if virtual nodes should be drawn. Default is <code>false</code>
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426 | * @return The virtual nodes property.
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427 | * @see Rendering#render
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428 | */
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429 | public boolean isVirtualNodesEnabled() {
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430 | return virtualNodesEnabled;
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431 | }
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432 |
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433 | /**
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434 | * Moves the layer to the given new position. No event is fired, but repaints
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435 | * according to the new Z-Order of the layers.
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436 | *
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437 | * @param layer The layer to move
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438 | * @param pos The new position of the layer
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439 | */
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440 | public void moveLayer(Layer layer, int pos) {
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441 | layerManager.moveLayer(layer, pos);
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442 | }
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443 |
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444 | @Override
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445 | public void layerOrderChanged(LayerOrderChangeEvent e) {
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446 | AudioPlayer.reset();
|
---|
447 | repaint();
|
---|
448 | }
|
---|
449 |
|
---|
450 | /**
|
---|
451 | * Paints the given layer to the graphics object, using the current state of this map view.
|
---|
452 | * @param layer The layer to draw.
|
---|
453 | * @param g A graphics object. It should have the width and height of this component
|
---|
454 | * @throws IllegalArgumentException If the layer is not part of this map view.
|
---|
455 | * @since 11226
|
---|
456 | */
|
---|
457 | public void paintLayer(Layer layer, Graphics2D g) {
|
---|
458 | try {
|
---|
459 | LayerPainter painter = registeredLayers.get(layer);
|
---|
460 | if (painter == null) {
|
---|
461 | Logging.warn("Cannot paint layer, it is not registered: {0}", layer);
|
---|
462 | return;
|
---|
463 | }
|
---|
464 | MapViewRectangle clipBounds = getState().getViewArea(g.getClipBounds());
|
---|
465 | MapViewGraphics paintGraphics = new MapViewGraphics(this, g, clipBounds);
|
---|
466 |
|
---|
467 | if (layer.getOpacity() < 1) {
|
---|
468 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) layer.getOpacity()));
|
---|
469 | }
|
---|
470 | painter.paint(paintGraphics);
|
---|
471 | g.setPaintMode();
|
---|
472 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) {
|
---|
473 | BugReport.intercept(t).put("layer", layer).warn();
|
---|
474 | }
|
---|
475 | }
|
---|
476 |
|
---|
477 | /**
|
---|
478 | * Draw the component.
|
---|
479 | */
|
---|
480 | @Override
|
---|
481 | public void paint(Graphics g) {
|
---|
482 | try {
|
---|
483 | if (!prepareToDraw()) {
|
---|
484 | return;
|
---|
485 | }
|
---|
486 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
487 | BugReport.intercept(e).put("center", this::getCenter).warn();
|
---|
488 | return;
|
---|
489 | }
|
---|
490 |
|
---|
491 | try {
|
---|
492 | drawMapContent(g);
|
---|
493 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
494 | throw BugReport.intercept(e).put("visibleLayers", layerManager::getVisibleLayersInZOrder)
|
---|
495 | .put("temporaryLayers", temporaryLayers);
|
---|
496 | }
|
---|
497 | super.paint(g);
|
---|
498 | }
|
---|
499 |
|
---|
500 | private void drawMapContent(Graphics g) {
|
---|
501 | // In HiDPI-mode, the Graphics g will have a transform that scales
|
---|
502 | // everything by a factor of 2.0 or so. At the same time, the value returned
|
---|
503 | // by getWidth()/getHeight will be reduced by that factor.
|
---|
504 | //
|
---|
505 | // This would work as intended, if we were to draw directly on g. But
|
---|
506 | // with a temporary buffer image, we need to move the scale transform to
|
---|
507 | // the Graphics of the buffer image and (in the end) transfer the content
|
---|
508 | // of the temporary buffer pixel by pixel onto g, without scaling.
|
---|
509 | // (Otherwise, we would upscale a small buffer image and the result would be
|
---|
510 | // blurry, with 2x2 pixel blocks.)
|
---|
511 | Graphics2D gg = (Graphics2D) g;
|
---|
512 | AffineTransform trOrig = gg.getTransform();
|
---|
513 | double uiScaleX = gg.getTransform().getScaleX();
|
---|
514 | double uiScaleY = gg.getTransform().getScaleY();
|
---|
515 | // width/height in full-resolution screen pixels
|
---|
516 | int width = (int) Math.round(getWidth() * uiScaleX);
|
---|
517 | int height = (int) Math.round(getHeight() * uiScaleY);
|
---|
518 | // This transformation corresponds to the original transformation of g,
|
---|
519 | // except for the translation part. It will be applied to the temporary
|
---|
520 | // buffer images.
|
---|
521 | AffineTransform trDef = AffineTransform.getScaleInstance(uiScaleX, uiScaleY);
|
---|
522 | // The goal is to create the temporary image at full pixel resolution,
|
---|
523 | // so scale up the clip shape
|
---|
524 | Shape scaledClip = trDef.createTransformedShape(g.getClip());
|
---|
525 |
|
---|
526 | List<Layer> visibleLayers = layerManager.getVisibleLayersInZOrder();
|
---|
527 |
|
---|
528 | int nonChangedLayersCount = 0;
|
---|
529 | Set<MapViewPaintable> invalidated = invalidatedListener.collectInvalidatedLayers();
|
---|
530 | for (Layer l: visibleLayers) {
|
---|
531 | if (invalidated.contains(l)) {
|
---|
532 | break;
|
---|
533 | } else {
|
---|
534 | nonChangedLayersCount++;
|
---|
535 | }
|
---|
536 | }
|
---|
537 |
|
---|
538 | boolean canUseBuffer = !paintPreferencesChanged.getAndSet(false)
|
---|
539 | && nonChangedLayers.size() <= nonChangedLayersCount
|
---|
540 | && lastViewID == getViewID()
|
---|
541 | && lastClipBounds.contains(g.getClipBounds())
|
---|
542 | && nonChangedLayers.equals(visibleLayers.subList(0, nonChangedLayers.size()));
|
---|
543 |
|
---|
544 | if (null == offscreenBuffer || offscreenBuffer.getWidth() != width || offscreenBuffer.getHeight() != height) {
|
---|
545 | offscreenBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
|
---|
546 | }
|
---|
547 |
|
---|
548 | if (!canUseBuffer || nonChangedLayersBuffer == null) {
|
---|
549 | if (null == nonChangedLayersBuffer
|
---|
550 | || nonChangedLayersBuffer.getWidth() != width || nonChangedLayersBuffer.getHeight() != height) {
|
---|
551 | nonChangedLayersBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
|
---|
552 | }
|
---|
553 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
554 | g2.setClip(scaledClip);
|
---|
555 | g2.setTransform(trDef);
|
---|
556 | g2.setColor(PaintColors.getBackgroundColor());
|
---|
557 | g2.fillRect(0, 0, width, height);
|
---|
558 |
|
---|
559 | for (int i = 0; i < nonChangedLayersCount; i++) {
|
---|
560 | paintLayer(visibleLayers.get(i), g2);
|
---|
561 | }
|
---|
562 | } else {
|
---|
563 | // Maybe there were more unchanged layers then last time - draw them to buffer
|
---|
564 | if (nonChangedLayers.size() != nonChangedLayersCount) {
|
---|
565 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
566 | g2.setClip(scaledClip);
|
---|
567 | g2.setTransform(trDef);
|
---|
568 | for (int i = nonChangedLayers.size(); i < nonChangedLayersCount; i++) {
|
---|
569 | paintLayer(visibleLayers.get(i), g2);
|
---|
570 | }
|
---|
571 | }
|
---|
572 | }
|
---|
573 |
|
---|
574 | nonChangedLayers.clear();
|
---|
575 | nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));
|
---|
576 | lastViewID = getViewID();
|
---|
577 | lastClipBounds = g.getClipBounds();
|
---|
578 |
|
---|
579 | Graphics2D tempG = offscreenBuffer.createGraphics();
|
---|
580 | tempG.setClip(scaledClip);
|
---|
581 | tempG.setTransform(new AffineTransform());
|
---|
582 | tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);
|
---|
583 | tempG.setTransform(trDef);
|
---|
584 |
|
---|
585 | for (int i = nonChangedLayersCount; i < visibleLayers.size(); i++) {
|
---|
586 | paintLayer(visibleLayers.get(i), tempG);
|
---|
587 | }
|
---|
588 |
|
---|
589 | try {
|
---|
590 | drawTemporaryLayers(tempG, getLatLonBounds(new Rectangle(
|
---|
591 | (int) Math.round(g.getClipBounds().x * uiScaleX),
|
---|
592 | (int) Math.round(g.getClipBounds().y * uiScaleY))));
|
---|
593 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
594 | BugReport.intercept(e).put("temporaryLayers", temporaryLayers).warn();
|
---|
595 | }
|
---|
596 |
|
---|
597 | // draw world borders
|
---|
598 | try {
|
---|
599 | drawWorldBorders(tempG);
|
---|
600 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
601 | // getProjection() needs to be inside lambda to catch errors.
|
---|
602 | BugReport.intercept(e).put("bounds", () -> getProjection().getWorldBoundsLatLon()).warn();
|
---|
603 | }
|
---|
604 |
|
---|
605 | MapFrame map = MainApplication.getMap();
|
---|
606 | if (AutoFilterManager.getInstance().getCurrentAutoFilter() != null) {
|
---|
607 | AutoFilterManager.getInstance().drawOSDText(tempG);
|
---|
608 | } else if (MainApplication.isDisplayingMapView() && map.filterDialog != null) {
|
---|
609 | map.filterDialog.drawOSDText(tempG);
|
---|
610 | }
|
---|
611 |
|
---|
612 | if (playHeadMarker != null) {
|
---|
613 | playHeadMarker.paint(tempG, this);
|
---|
614 | }
|
---|
615 |
|
---|
616 | try {
|
---|
617 | gg.setTransform(new AffineTransform(1, 0, 0, 1, trOrig.getTranslateX(), trOrig.getTranslateY()));
|
---|
618 | gg.drawImage(offscreenBuffer, 0, 0, null);
|
---|
619 | } catch (ClassCastException e) {
|
---|
620 | // See #11002 and duplicate tickets. On Linux with Java >= 8 Many users face this error here:
|
---|
621 | //
|
---|
622 | // java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
|
---|
623 | // at sun.java2d.xr.XRPMBlitLoops.cacheToTmpSurface(XRPMBlitLoops.java:145)
|
---|
624 | // at sun.java2d.xr.XrSwToPMBlit.Blit(XRPMBlitLoops.java:353)
|
---|
625 | // at sun.java2d.pipe.DrawImage.blitSurfaceData(DrawImage.java:959)
|
---|
626 | // at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java:577)
|
---|
627 | // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:67)
|
---|
628 | // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014)
|
---|
629 | // at sun.java2d.pipe.ValidatePipe.copyImage(ValidatePipe.java:186)
|
---|
630 | // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318)
|
---|
631 | // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3296)
|
---|
632 | // at org.openstreetmap.josm.gui.MapView.paint(MapView.java:834)
|
---|
633 | //
|
---|
634 | // It seems to be this JDK bug, but Oracle does not seem to be fixing it:
|
---|
635 | // https://bugs.openjdk.java.net/browse/JDK-7172749
|
---|
636 | //
|
---|
637 | // According to bug reports it can happen for a variety of reasons such as:
|
---|
638 | // - long period of time
|
---|
639 | // - change of screen resolution
|
---|
640 | // - addition/removal of a secondary monitor
|
---|
641 | //
|
---|
642 | // But the application seems to work fine after, so let's just log the error
|
---|
643 | Logging.error(e);
|
---|
644 | } finally {
|
---|
645 | gg.setTransform(trOrig);
|
---|
646 | }
|
---|
647 | }
|
---|
648 |
|
---|
649 | private void drawTemporaryLayers(Graphics2D tempG, Bounds box) {
|
---|
650 | synchronized (temporaryLayers) {
|
---|
651 | for (MapViewPaintable mvp : temporaryLayers) {
|
---|
652 | try {
|
---|
653 | mvp.paint(tempG, this, box);
|
---|
654 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
655 | throw BugReport.intercept(e).put("mvp", mvp);
|
---|
656 | }
|
---|
657 | }
|
---|
658 | }
|
---|
659 | }
|
---|
660 |
|
---|
661 | private void drawWorldBorders(Graphics2D tempG) {
|
---|
662 | tempG.setColor(Color.WHITE);
|
---|
663 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
664 |
|
---|
665 | int w = getWidth();
|
---|
666 | int h = getHeight();
|
---|
667 |
|
---|
668 | // Work around OpenJDK having problems when drawing out of bounds
|
---|
669 | final Area border = getState().getArea(b);
|
---|
670 | // Make the viewport 1px larger in every direction to prevent an
|
---|
671 | // additional 1px border when zooming in
|
---|
672 | final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
|
---|
673 | border.intersect(viewport);
|
---|
674 | tempG.draw(border);
|
---|
675 | }
|
---|
676 |
|
---|
677 | /**
|
---|
678 | * Sets up the viewport to prepare for drawing the view.
|
---|
679 | * @return <code>true</code> if the view can be drawn, <code>false</code> otherwise.
|
---|
680 | */
|
---|
681 | public boolean prepareToDraw() {
|
---|
682 | updateLocationState();
|
---|
683 | if (initialViewport != null) {
|
---|
684 | zoomTo(initialViewport);
|
---|
685 | initialViewport = null;
|
---|
686 | }
|
---|
687 |
|
---|
688 | if (getCenter() == null)
|
---|
689 | return false; // no data loaded yet.
|
---|
690 |
|
---|
691 | // if the position was remembered, we need to adjust center once before repainting
|
---|
692 | if (oldLoc != null && oldSize != null) {
|
---|
693 | Point l1 = getLocationOnScreen();
|
---|
694 | final EastNorth newCenter = new EastNorth(
|
---|
695 | getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
|
---|
696 | getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
|
---|
697 | );
|
---|
698 | oldLoc = null; oldSize = null;
|
---|
699 | zoomTo(newCenter);
|
---|
700 | }
|
---|
701 |
|
---|
702 | return true;
|
---|
703 | }
|
---|
704 |
|
---|
705 | @Override
|
---|
706 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
|
---|
707 | MapFrame map = MainApplication.getMap();
|
---|
708 | if (map != null) {
|
---|
709 | /* This only makes the buttons look disabled. Disabling the actions as well requires
|
---|
710 | * the user to re-select the tool after i.e. moving a layer. While testing I found
|
---|
711 | * that I switch layers and actions at the same time and it was annoying to mind the
|
---|
712 | * order. This way it works as visual clue for new users */
|
---|
713 | // FIXME: This does not belong here.
|
---|
714 | for (final AbstractButton b: map.allMapModeButtons) {
|
---|
715 | MapMode mode = (MapMode) b.getAction();
|
---|
716 | final boolean activeLayerSupported = mode.layerIsSupported(layerManager.getActiveLayer());
|
---|
717 | if (activeLayerSupported) {
|
---|
718 | MainApplication.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
|
---|
719 | } else {
|
---|
720 | MainApplication.unregisterShortcut(mode.getShortcut());
|
---|
721 | }
|
---|
722 | b.setEnabled(activeLayerSupported);
|
---|
723 | }
|
---|
724 | }
|
---|
725 | // invalidate repaint cache. The layer order may have changed by this, so we invalidate every layer
|
---|
726 | getLayerManager().getLayers().forEach(invalidatedListener::invalidate);
|
---|
727 | AudioPlayer.reset();
|
---|
728 | }
|
---|
729 |
|
---|
730 | /**
|
---|
731 | * Adds a new temporary layer.
|
---|
732 | * <p>
|
---|
733 | * A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added.
|
---|
734 | *
|
---|
735 | * @param mvp The layer to paint.
|
---|
736 | * @return <code>true</code> if the layer was added.
|
---|
737 | */
|
---|
738 | public boolean addTemporaryLayer(MapViewPaintable mvp) {
|
---|
739 | synchronized (temporaryLayers) {
|
---|
740 | boolean added = temporaryLayers.add(mvp);
|
---|
741 | if (added) {
|
---|
742 | invalidatedListener.addTo(mvp);
|
---|
743 | }
|
---|
744 | repaint();
|
---|
745 | return added;
|
---|
746 | }
|
---|
747 | }
|
---|
748 |
|
---|
749 | /**
|
---|
750 | * Removes a layer previously added as temporary layer.
|
---|
751 | * @param mvp The layer to remove.
|
---|
752 | * @return <code>true</code> if that layer was removed.
|
---|
753 | */
|
---|
754 | public boolean removeTemporaryLayer(MapViewPaintable mvp) {
|
---|
755 | synchronized (temporaryLayers) {
|
---|
756 | boolean removed = temporaryLayers.remove(mvp);
|
---|
757 | if (removed) {
|
---|
758 | invalidatedListener.removeFrom(mvp);
|
---|
759 | }
|
---|
760 | repaint();
|
---|
761 | return removed;
|
---|
762 | }
|
---|
763 | }
|
---|
764 |
|
---|
765 | /**
|
---|
766 | * Gets a list of temporary layers.
|
---|
767 | * @return The layers in the order they are added.
|
---|
768 | */
|
---|
769 | public List<MapViewPaintable> getTemporaryLayers() {
|
---|
770 | synchronized (temporaryLayers) {
|
---|
771 | return Collections.unmodifiableList(new ArrayList<>(temporaryLayers));
|
---|
772 | }
|
---|
773 | }
|
---|
774 |
|
---|
775 | @Override
|
---|
776 | public void propertyChange(PropertyChangeEvent evt) {
|
---|
777 | if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
|
---|
778 | repaint();
|
---|
779 | } else if (evt.getPropertyName().equals(Layer.OPACITY_PROP) ||
|
---|
780 | evt.getPropertyName().equals(Layer.FILTER_STATE_PROP)) {
|
---|
781 | Layer l = (Layer) evt.getSource();
|
---|
782 | if (l.isVisible()) {
|
---|
783 | invalidatedListener.invalidate(l);
|
---|
784 | }
|
---|
785 | }
|
---|
786 | }
|
---|
787 |
|
---|
788 | @Override
|
---|
789 | public void preferenceChanged(PreferenceChangeEvent e) {
|
---|
790 | paintPreferencesChanged.set(true);
|
---|
791 | }
|
---|
792 |
|
---|
793 | private final transient DataSelectionListener repaintSelectionChangedListener = event -> repaint();
|
---|
794 |
|
---|
795 | /**
|
---|
796 | * Destroy this map view panel. Should be called once when it is not needed any more.
|
---|
797 | */
|
---|
798 | public void destroy() {
|
---|
799 | layerManager.removeAndFireLayerChangeListener(this);
|
---|
800 | layerManager.removeActiveLayerChangeListener(this);
|
---|
801 | Config.getPref().removePreferenceChangeListener(this);
|
---|
802 | SelectionEventManager.getInstance().removeSelectionListener(repaintSelectionChangedListener);
|
---|
803 | MultipolygonCache.getInstance().clear();
|
---|
804 | if (mapMover != null) {
|
---|
805 | mapMover.destroy();
|
---|
806 | }
|
---|
807 | nonChangedLayers.clear();
|
---|
808 | synchronized (temporaryLayers) {
|
---|
809 | temporaryLayers.clear();
|
---|
810 | }
|
---|
811 | nonChangedLayersBuffer = null;
|
---|
812 | offscreenBuffer = null;
|
---|
813 | }
|
---|
814 |
|
---|
815 | /**
|
---|
816 | * Get a string representation of all layers suitable for the {@code source} changeset tag.
|
---|
817 | * @return A String of sources separated by ';'
|
---|
818 | */
|
---|
819 | public String getLayerInformationForSourceTag() {
|
---|
820 | final Set<String> layerInfo = new TreeSet<>();
|
---|
821 | if (!layerManager.getLayersOfType(GpxLayer.class).isEmpty()) {
|
---|
822 | // no i18n for international values
|
---|
823 | layerInfo.add("survey");
|
---|
824 | }
|
---|
825 | for (final GeoImageLayer i : layerManager.getLayersOfType(GeoImageLayer.class)) {
|
---|
826 | if (i.isVisible()) {
|
---|
827 | layerInfo.add(i.getName());
|
---|
828 | }
|
---|
829 | }
|
---|
830 | for (final ImageryLayer i : layerManager.getLayersOfType(ImageryLayer.class)) {
|
---|
831 | if (i.isVisible()) {
|
---|
832 | layerInfo.add(ImageryInfo.ImageryType.BING.equals(i.getInfo().getImageryType()) ? "Bing" : i.getName());
|
---|
833 | }
|
---|
834 | }
|
---|
835 | return Utils.join("; ", layerInfo);
|
---|
836 | }
|
---|
837 |
|
---|
838 | /**
|
---|
839 | * This is a listener that gets informed whenever repaint is called for this MapView.
|
---|
840 | * <p>
|
---|
841 | * This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly.
|
---|
842 | * @author Michael Zangl
|
---|
843 | * @since 10600 (functional interface)
|
---|
844 | */
|
---|
845 | @FunctionalInterface
|
---|
846 | public interface RepaintListener {
|
---|
847 | /**
|
---|
848 | * Called when any repaint method is called (using default arguments if required).
|
---|
849 | * @param tm see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
850 | * @param x see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
851 | * @param y see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
852 | * @param width see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
853 | * @param height see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
854 | */
|
---|
855 | void repaint(long tm, int x, int y, int width, int height);
|
---|
856 | }
|
---|
857 |
|
---|
858 | private final transient CopyOnWriteArrayList<RepaintListener> repaintListeners = new CopyOnWriteArrayList<>();
|
---|
859 |
|
---|
860 | /**
|
---|
861 | * Adds a listener that gets informed whenever repaint() is called for this class.
|
---|
862 | * @param l The listener.
|
---|
863 | */
|
---|
864 | public void addRepaintListener(RepaintListener l) {
|
---|
865 | repaintListeners.add(l);
|
---|
866 | }
|
---|
867 |
|
---|
868 | /**
|
---|
869 | * Removes a registered repaint listener.
|
---|
870 | * @param l The listener.
|
---|
871 | */
|
---|
872 | public void removeRepaintListener(RepaintListener l) {
|
---|
873 | repaintListeners.remove(l);
|
---|
874 | }
|
---|
875 |
|
---|
876 | @Override
|
---|
877 | public void repaint(long tm, int x, int y, int width, int height) {
|
---|
878 | // This is the main repaint method, all other methods are convenience methods and simply call this method.
|
---|
879 | // This is just an observation, not a must, but seems to be true for all implementations I found so far.
|
---|
880 | if (repaintListeners != null) {
|
---|
881 | // Might get called early in super constructor
|
---|
882 | for (RepaintListener l : repaintListeners) {
|
---|
883 | l.repaint(tm, x, y, width, height);
|
---|
884 | }
|
---|
885 | }
|
---|
886 | super.repaint(tm, x, y, width, height);
|
---|
887 | }
|
---|
888 |
|
---|
889 | @Override
|
---|
890 | public void repaint() {
|
---|
891 | if (Logging.isTraceEnabled()) {
|
---|
892 | invalidatedListener.traceRandomRepaint();
|
---|
893 | }
|
---|
894 | super.repaint();
|
---|
895 | }
|
---|
896 |
|
---|
897 | /**
|
---|
898 | * Returns the layer manager.
|
---|
899 | * @return the layer manager
|
---|
900 | * @since 10282
|
---|
901 | */
|
---|
902 | public final MainLayerManager getLayerManager() {
|
---|
903 | return layerManager;
|
---|
904 | }
|
---|
905 |
|
---|
906 | /**
|
---|
907 | * Schedule a zoom to the given position on the next redraw.
|
---|
908 | * Temporary, may be removed without warning.
|
---|
909 | * @param viewportData the viewport to zoom to
|
---|
910 | * @since 10394
|
---|
911 | */
|
---|
912 | public void scheduleZoomTo(ViewportData viewportData) {
|
---|
913 | initialViewport = viewportData;
|
---|
914 | }
|
---|
915 |
|
---|
916 | /**
|
---|
917 | * Returns the internal {@link MapMover}.
|
---|
918 | * @return the internal {@code MapMover}
|
---|
919 | * @since 13126
|
---|
920 | */
|
---|
921 | public final MapMover getMapMover() {
|
---|
922 | return mapMover;
|
---|
923 | }
|
---|
924 | }
|
---|