[8378] | 1 | // License: GPL. For details, see LICENSE file.
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[283] | 2 | package org.openstreetmap.josm.gui;
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| 3 |
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[3705] | 4 | import java.awt.AlphaComposite;
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[283] | 5 | import java.awt.Color;
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[6019] | 6 | import java.awt.Dimension;
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[283] | 7 | import java.awt.Graphics;
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[635] | 8 | import java.awt.Graphics2D;
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[283] | 9 | import java.awt.Point;
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[2107] | 10 | import java.awt.Rectangle;
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[12722] | 11 | import java.awt.Shape;
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[1750] | 12 | import java.awt.event.ComponentAdapter;
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| 13 | import java.awt.event.ComponentEvent;
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[5979] | 14 | import java.awt.event.KeyEvent;
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[6018] | 15 | import java.awt.event.MouseAdapter;
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[811] | 16 | import java.awt.event.MouseEvent;
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[6100] | 17 | import java.awt.event.MouseMotionListener;
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[12722] | 18 | import java.awt.geom.AffineTransform;
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[2107] | 19 | import java.awt.geom.Area;
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[635] | 20 | import java.awt.image.BufferedImage;
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[1890] | 21 | import java.beans.PropertyChangeEvent;
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| 22 | import java.beans.PropertyChangeListener;
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[283] | 23 | import java.util.ArrayList;
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[8555] | 24 | import java.util.Arrays;
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[283] | 25 | import java.util.Collections;
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[10458] | 26 | import java.util.HashMap;
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[10809] | 27 | import java.util.IdentityHashMap;
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[8552] | 28 | import java.util.LinkedHashSet;
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[1895] | 29 | import java.util.List;
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[8552] | 30 | import java.util.Set;
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[10669] | 31 | import java.util.TreeSet;
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[2621] | 32 | import java.util.concurrent.CopyOnWriteArrayList;
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[11029] | 33 | import java.util.concurrent.atomic.AtomicBoolean;
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[283] | 34 |
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[1379] | 35 | import javax.swing.AbstractButton;
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[8552] | 36 | import javax.swing.JComponent;
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[12651] | 37 | import javax.swing.SwingUtilities;
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[283] | 38 |
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| 39 | import org.openstreetmap.josm.Main;
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[1379] | 40 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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[1823] | 41 | import org.openstreetmap.josm.data.Bounds;
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[10432] | 42 | import org.openstreetmap.josm.data.ProjectionBounds;
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[7484] | 43 | import org.openstreetmap.josm.data.ViewportData;
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[6019] | 44 | import org.openstreetmap.josm.data.coor.EastNorth;
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[6654] | 45 | import org.openstreetmap.josm.data.imagery.ImageryInfo;
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[12099] | 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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[2666] | 48 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
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[8557] | 49 | import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
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[4623] | 50 | import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
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[10458] | 51 | import org.openstreetmap.josm.gui.MapViewState.MapViewRectangle;
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[12400] | 52 | import org.openstreetmap.josm.gui.autofilter.AutoFilterManager;
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[10604] | 53 | import org.openstreetmap.josm.gui.datatransfer.OsmTransferHandler;
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[2395] | 54 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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[6565] | 55 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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[283] | 56 | import org.openstreetmap.josm.gui.layer.Layer;
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[10271] | 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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[10279] | 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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[10458] | 63 | import org.openstreetmap.josm.gui.layer.MapViewGraphics;
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[608] | 64 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
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[10458] | 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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[10031] | 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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[283] | 69 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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[6565] | 70 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
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[572] | 71 | import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
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[12651] | 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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[12326] | 74 | import org.openstreetmap.josm.io.audio.AudioPlayer;
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[12846] | 75 | import org.openstreetmap.josm.spi.preferences.Config;
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[13126] | 76 | import org.openstreetmap.josm.spi.preferences.PreferenceChangeEvent;
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| 77 | import org.openstreetmap.josm.spi.preferences.PreferenceChangedListener;
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[11746] | 78 | import org.openstreetmap.josm.tools.JosmRuntimeException;
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[12030] | 79 | import org.openstreetmap.josm.tools.Logging;
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[5979] | 80 | import org.openstreetmap.josm.tools.Shortcut;
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[6565] | 81 | import org.openstreetmap.josm.tools.Utils;
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[10285] | 82 | import org.openstreetmap.josm.tools.bugreport.BugReport;
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[283] | 83 |
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| 84 | /**
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[5406] | 85 | * This is a component used in the {@link MapFrame} for browsing the map. It use is to
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[6830] | 86 | * provide the MapMode's enough capabilities to operate.<br><br>
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[283] | 87 | *
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[5406] | 88 | * {@code MapView} holds meta-data about the data set currently displayed, as scale level,
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[283] | 89 | * center point viewed, what scrolling mode or editing mode is selected or with
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[6830] | 90 | * what projection the map is viewed etc..<br><br>
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[283] | 91 | *
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[5406] | 92 | * {@code MapView} is able to administrate several layers.
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[283] | 93 | *
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| 94 | * @author imi
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| 95 | */
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[8509] | 96 | public class MapView extends NavigatableComponent
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[10340] | 97 | implements PropertyChangeListener, PreferenceChangedListener,
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[10279] | 98 | LayerManager.LayerChangeListener, MainLayerManager.ActiveLayerChangeListener {
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[6070] | 99 |
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[12651] | 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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[8551] | 120 | /**
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[10031] | 121 | * An invalidation listener that simply calls repaint() for now.
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| 122 | * @author Michael Zangl
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[10271] | 123 | * @since 10271
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[10031] | 124 | */
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| 125 | private class LayerInvalidatedListener implements PaintableInvalidationListener {
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| 126 | private boolean ignoreRepaint;
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[10809] | 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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[10031] | 130 | @Override
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[10600] | 131 | public void paintableInvalidated(PaintableInvalidationEvent event) {
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[10809] | 132 | invalidate(event.getLayer());
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| 133 | }
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| 134 |
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[10940] | 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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[10809] | 139 | public synchronized void invalidate(MapViewPaintable mapViewPaintable) {
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[10031] | 140 | ignoreRepaint = true;
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[10809] | 141 | invalidatedLayers.add(mapViewPaintable);
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[10031] | 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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[10809] | 149 | public synchronized void addTo(MapViewPaintable p) {
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[12107] | 150 | p.addInvalidationListener(this);
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[10031] | 151 | }
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[10041] | 152 |
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[10031] | 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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[10809] | 157 | public synchronized void removeFrom(MapViewPaintable p) {
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[12107] | 158 | p.removeInvalidationListener(this);
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[10809] | 159 | invalidatedLayers.remove(p);
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[10031] | 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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[13652] | 167 | Logging.trace("Repaint: {0} from {1}", Thread.currentThread().getStackTrace()[3], Thread.currentThread());
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[10031] | 168 | }
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| 169 | ignoreRepaint = false;
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| 170 | }
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[10809] | 171 |
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| 172 | /**
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| 173 | * Retrieves a set of all layers that have been marked as invalid since the last call to this method.
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| 174 | * @return The layers
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| 175 | */
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| 176 | protected synchronized Set<MapViewPaintable> collectInvalidatedLayers() {
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| 177 | Set<MapViewPaintable> layers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>());
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| 178 | layers.addAll(invalidatedLayers);
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| 179 | invalidatedLayers.clear();
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| 180 | return layers;
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| 181 | }
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[10031] | 182 | }
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| 183 |
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[10271] | 184 | /**
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[10474] | 185 | * A layer painter that issues a warning when being called.
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| 186 | * @author Michael Zangl
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| 187 | * @since 10474
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| 188 | */
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| 189 | private static class WarningLayerPainter implements LayerPainter {
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[10755] | 190 | boolean warningPrinted;
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[10598] | 191 | private final Layer layer;
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[10474] | 192 |
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[10477] | 193 | WarningLayerPainter(Layer layer) {
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[10474] | 194 | this.layer = layer;
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| 195 | }
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| 196 |
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| 197 | @Override
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| 198 | public void paint(MapViewGraphics graphics) {
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| 199 | if (!warningPrinted) {
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[12620] | 200 | Logging.debug("A layer triggered a repaint while being added: " + layer);
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[10474] | 201 | warningPrinted = true;
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| 202 | }
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| 203 | }
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| 204 |
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| 205 | @Override
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| 206 | public void detachFromMapView(MapViewEvent event) {
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| 207 | // ignored
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| 208 | }
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| 209 | }
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| 210 |
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[12182] | 211 | /**
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[10271] | 212 | * 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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[8551] | 213 | */
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[10279] | 214 | private final MainLayerManager layerManager;
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[8551] | 215 |
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[1169] | 216 | /**
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| 217 | * The play head marker: there is only one of these so it isn't in any specific layer
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| 218 | */
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[8840] | 219 | public transient PlayHeadMarker playHeadMarker;
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[1750] | 220 |
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[1169] | 221 | /**
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| 222 | * The last event performed by mouse.
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| 223 | */
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[3451] | 224 | 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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[811] | 225 |
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[8552] | 226 | /**
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| 227 | * Temporary layers (selection rectangle, etc.) that are never cached and
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| 228 | * drawn on top of regular layers.
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| 229 | * Access must be synchronized.
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| 230 | */
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| 231 | private final transient Set<MapViewPaintable> temporaryLayers = new LinkedHashSet<>();
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[1023] | 232 |
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[8308] | 233 | private transient BufferedImage nonChangedLayersBuffer;
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| 234 | private transient BufferedImage offscreenBuffer;
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[3116] | 235 | // Layers that wasn't changed since last paint
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[8308] | 236 | private final transient List<Layer> nonChangedLayers = new ArrayList<>();
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[3118] | 237 | private int lastViewID;
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[11048] | 238 | private final AtomicBoolean paintPreferencesChanged = new AtomicBoolean(true);
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[3144] | 239 | private Rectangle lastClipBounds = new Rectangle();
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[8308] | 240 | private transient MapMover mapMover;
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[1023] | 241 |
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[5406] | 242 | /**
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[10031] | 243 | * The listener that listens to invalidations of all layers.
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| 244 | */
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| 245 | private final LayerInvalidatedListener invalidatedListener = new LayerInvalidatedListener();
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| 246 |
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| 247 | /**
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[10458] | 248 | * This is a map of all Layers that have been added to this view.
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| 249 | */
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| 250 | private final HashMap<Layer, LayerPainter> registeredLayers = new HashMap<>();
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| 251 |
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| 252 | /**
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[5406] | 253 | * Constructs a new {@code MapView}.
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[10271] | 254 | * @param layerManager The layers to display.
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[5670] | 255 | * @param viewportData the initial viewport of the map. Can be null, then
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| 256 | * the viewport is derived from the layer data.
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[11713] | 257 | * @since 11713
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| 258 | */
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| 259 | public MapView(MainLayerManager layerManager, final ViewportData viewportData) {
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[10271] | 260 | this.layerManager = layerManager;
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[7816] | 261 | initialViewport = viewportData;
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[11905] | 262 | layerManager.addAndFireLayerChangeListener(this);
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[10332] | 263 | layerManager.addActiveLayerChangeListener(this);
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[12846] | 264 | Config.getPref().addPreferenceChangeListener(this);
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[3327] | 265 |
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[8510] | 266 | addComponentListener(new ComponentAdapter() {
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[10078] | 267 | @Override
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| 268 | public void componentResized(ComponentEvent e) {
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[1169] | 269 | removeComponentListener(this);
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[11713] | 270 | mapMover = new MapMover(MapView.this);
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[1169] | 271 | }
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| 272 | });
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[283] | 273 |
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[11713] | 274 | // listens to selection changes to redraw the map
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[12099] | 275 | SelectionEventManager.getInstance().addSelectionListenerForEdt(repaintSelectionChangedListener);
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[811] | 276 |
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[1169] | 277 | //store the last mouse action
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[6100] | 278 | this.addMouseMotionListener(new MouseMotionListener() {
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[8510] | 279 | @Override
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| 280 | public void mouseDragged(MouseEvent e) {
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[1169] | 281 | mouseMoved(e);
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| 282 | }
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[8510] | 283 |
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| 284 | @Override
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| 285 | public void mouseMoved(MouseEvent e) {
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[1169] | 286 | lastMEvent = e;
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[6070] | 287 | }
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[6100] | 288 | });
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| 289 | this.addMouseListener(new MouseAdapter() {
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[6018] | 290 | @Override
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| 291 | public void mousePressed(MouseEvent me) {
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| 292 | // focus the MapView component when mouse is pressed inside it
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| 293 | requestFocus();
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[1169] | 294 | }
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| 295 | });
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[5979] | 296 |
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[11173] | 297 | setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent());
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[10078] | 298 |
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[10634] | 299 | for (JComponent c : getMapNavigationComponents(this)) {
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[10078] | 300 | add(c);
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| 301 | }
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[12400] | 302 | if (AutoFilterManager.PROP_AUTO_FILTER_ENABLED.get()) {
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| 303 | AutoFilterManager.getInstance().enableAutoFilterRule(AutoFilterManager.PROP_AUTO_FILTER_RULE.get());
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| 304 | }
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[10604] | 305 | setTransferHandler(new OsmTransferHandler());
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[1169] | 306 | }
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[283] | 307 |
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[8555] | 308 | /**
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| 309 | * Adds the map navigation components to a
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| 310 | * @param forMapView The map view to get the components for.
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| 311 | * @return A list containing the correctly positioned map navigation components.
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| 312 | */
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| 313 | public static List<? extends JComponent> getMapNavigationComponents(MapView forMapView) {
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| 314 | MapSlider zoomSlider = new MapSlider(forMapView);
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[10078] | 315 | Dimension size = zoomSlider.getPreferredSize();
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| 316 | zoomSlider.setSize(size);
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| 317 | zoomSlider.setLocation(3, 0);
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[11173] | 318 | zoomSlider.setFocusTraversalKeysEnabled(!Shortcut.findShortcut(KeyEvent.VK_TAB, 0).isPresent());
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[8555] | 319 |
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| 320 | MapScaler scaler = new MapScaler(forMapView);
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[10078] | 321 | scaler.setPreferredLineLength(size.width - 10);
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| 322 | scaler.setSize(scaler.getPreferredSize());
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| 323 | scaler.setLocation(3, size.height);
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[8555] | 324 |
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| 325 | return Arrays.asList(zoomSlider, scaler);
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| 326 | }
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| 327 |
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[6019] | 328 | // remebered geometry of the component
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[8840] | 329 | private Dimension oldSize;
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| 330 | private Point oldLoc;
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[6070] | 331 |
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[8612] | 332 | /**
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[6019] | 333 | * Call this method to keep map position on screen during next repaint
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| 334 | */
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| 335 | public void rememberLastPositionOnScreen() {
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| 336 | oldSize = getSize();
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[10378] | 337 | oldLoc = getLocationOnScreen();
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[6019] | 338 | }
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[6070] | 339 |
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[10271] | 340 | @Override
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| 341 | public void layerAdded(LayerAddEvent e) {
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[10458] | 342 | try {
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| 343 | Layer layer = e.getAddedLayer();
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[10474] | 344 | registeredLayers.put(layer, new WarningLayerPainter(layer));
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| 345 | // Layers may trigger a redraw during this call if they open dialogs.
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[10476] | 346 | LayerPainter painter = layer.attachToMapView(new MapViewEvent(this, false));
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| 347 | if (!registeredLayers.containsKey(layer)) {
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| 348 | // The layer may have removed itself during attachToMapView()
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[12620] | 349 | Logging.warn("Layer was removed during attachToMapView()");
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[10476] | 350 | } else {
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| 351 | registeredLayers.put(layer, painter);
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[8646] | 352 |
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[11774] | 353 | if (e.isZoomRequired()) {
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| 354 | ProjectionBounds viewProjectionBounds = layer.getViewProjectionBounds();
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| 355 | if (viewProjectionBounds != null) {
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| 356 | scheduleZoomTo(new ViewportData(viewProjectionBounds));
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| 357 | }
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[10476] | 358 | }
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[10432] | 359 |
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[10476] | 360 | layer.addPropertyChangeListener(this);
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| 361 | Main.addProjectionChangeListener(layer);
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| 362 | invalidatedListener.addTo(layer);
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| 363 | AudioPlayer.reset();
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[10271] | 364 |
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[10476] | 365 | repaint();
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| 366 | }
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[11746] | 367 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) {
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[10458] | 368 | throw BugReport.intercept(t).put("layer", e.getAddedLayer());
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| 369 | }
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[10008] | 370 | }
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| 371 |
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| 372 | /**
|
---|
[8551] | 373 | * Replies true if the active data layer (edit layer) is drawable.
|
---|
[2512] | 374 | *
|
---|
[8551] | 375 | * @return true if the active data layer (edit layer) is drawable, false otherwise
|
---|
[1750] | 376 | */
|
---|
| 377 | public boolean isActiveLayerDrawable() {
|
---|
[10742] | 378 | return layerManager.getEditLayer() != null;
|
---|
[1169] | 379 | }
|
---|
[1677] | 380 |
|
---|
[1750] | 381 | /**
|
---|
[13434] | 382 | * Replies true if the active data layer is visible.
|
---|
[2512] | 383 | *
|
---|
[13434] | 384 | * @return true if the active data layer is visible, false otherwise
|
---|
[1750] | 385 | */
|
---|
| 386 | public boolean isActiveLayerVisible() {
|
---|
[13434] | 387 | OsmDataLayer e = layerManager.getActiveDataLayer();
|
---|
[10271] | 388 | return e != null && e.isVisible();
|
---|
[1418] | 389 | }
|
---|
[845] | 390 |
|
---|
[10271] | 391 | @Override
|
---|
| 392 | public void layerRemoving(LayerRemoveEvent e) {
|
---|
| 393 | Layer layer = e.getRemovedLayer();
|
---|
[2860] | 394 |
|
---|
[10458] | 395 | LayerPainter painter = registeredLayers.remove(layer);
|
---|
| 396 | if (painter == null) {
|
---|
[12620] | 397 | Logging.error("The painter for layer " + layer + " was not registered.");
|
---|
[10496] | 398 | return;
|
---|
[10458] | 399 | }
|
---|
| 400 | painter.detachFromMapView(new MapViewEvent(this, false));
|
---|
[10271] | 401 | Main.removeProjectionChangeListener(layer);
|
---|
| 402 | layer.removePropertyChangeListener(this);
|
---|
| 403 | invalidatedListener.removeFrom(layer);
|
---|
| 404 | layer.destroy();
|
---|
| 405 | AudioPlayer.reset();
|
---|
[6070] | 406 |
|
---|
[1895] | 407 | repaint();
|
---|
[1169] | 408 | }
|
---|
[283] | 409 |
|
---|
[8840] | 410 | private boolean virtualNodesEnabled;
|
---|
[2621] | 411 |
|
---|
[12391] | 412 | /**
|
---|
| 413 | * Enables or disables drawing of the virtual nodes.
|
---|
| 414 | * @param enabled if virtual nodes are enabled
|
---|
| 415 | */
|
---|
[1750] | 416 | public void setVirtualNodesEnabled(boolean enabled) {
|
---|
[8510] | 417 | if (virtualNodesEnabled != enabled) {
|
---|
[1750] | 418 | virtualNodesEnabled = enabled;
|
---|
[1169] | 419 | repaint();
|
---|
| 420 | }
|
---|
| 421 | }
|
---|
[8510] | 422 |
|
---|
[8553] | 423 | /**
|
---|
| 424 | * Checks if virtual nodes should be drawn. Default is <code>false</code>
|
---|
| 425 | * @return The virtual nodes property.
|
---|
[12620] | 426 | * @see Rendering#render
|
---|
[8553] | 427 | */
|
---|
[1750] | 428 | public boolean isVirtualNodesEnabled() {
|
---|
| 429 | return virtualNodesEnabled;
|
---|
[1169] | 430 | }
|
---|
[805] | 431 |
|
---|
[1169] | 432 | /**
|
---|
[1943] | 433 | * Moves the layer to the given new position. No event is fired, but repaints
|
---|
| 434 | * according to the new Z-Order of the layers.
|
---|
[2512] | 435 | *
|
---|
[1169] | 436 | * @param layer The layer to move
|
---|
| 437 | * @param pos The new position of the layer
|
---|
| 438 | */
|
---|
| 439 | public void moveLayer(Layer layer, int pos) {
|
---|
[10271] | 440 | layerManager.moveLayer(layer, pos);
|
---|
| 441 | }
|
---|
[8631] | 442 |
|
---|
[10271] | 443 | @Override
|
---|
| 444 | public void layerOrderChanged(LayerOrderChangeEvent e) {
|
---|
| 445 | AudioPlayer.reset();
|
---|
[1943] | 446 | repaint();
|
---|
[1169] | 447 | }
|
---|
[283] | 448 |
|
---|
[11226] | 449 | /**
|
---|
| 450 | * Paints the given layer to the graphics object, using the current state of this map view.
|
---|
| 451 | * @param layer The layer to draw.
|
---|
| 452 | * @param g A graphics object. It should have the width and height of this component
|
---|
| 453 | * @throws IllegalArgumentException If the layer is not part of this map view.
|
---|
| 454 | * @since 11226
|
---|
| 455 | */
|
---|
| 456 | public void paintLayer(Layer layer, Graphics2D g) {
|
---|
[10285] | 457 | try {
|
---|
[10458] | 458 | LayerPainter painter = registeredLayers.get(layer);
|
---|
| 459 | if (painter == null) {
|
---|
[12030] | 460 | Logging.warn("Cannot paint layer, it is not registered: {0}", layer);
|
---|
| 461 | return;
|
---|
[10458] | 462 | }
|
---|
| 463 | MapViewRectangle clipBounds = getState().getViewArea(g.getClipBounds());
|
---|
| 464 | MapViewGraphics paintGraphics = new MapViewGraphics(this, g, clipBounds);
|
---|
| 465 |
|
---|
[10285] | 466 | if (layer.getOpacity() < 1) {
|
---|
| 467 | g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) layer.getOpacity()));
|
---|
| 468 | }
|
---|
[10458] | 469 | painter.paint(paintGraphics);
|
---|
[10285] | 470 | g.setPaintMode();
|
---|
[11746] | 471 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException t) {
|
---|
[11226] | 472 | BugReport.intercept(t).put("layer", layer).warn();
|
---|
[3705] | 473 | }
|
---|
| 474 | }
|
---|
| 475 |
|
---|
[1943] | 476 | /**
|
---|
[1169] | 477 | * Draw the component.
|
---|
| 478 | */
|
---|
[8365] | 479 | @Override
|
---|
| 480 | public void paint(Graphics g) {
|
---|
[10819] | 481 | try {
|
---|
| 482 | if (!prepareToDraw()) {
|
---|
| 483 | return;
|
---|
| 484 | }
|
---|
[11746] | 485 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
[10941] | 486 | BugReport.intercept(e).put("center", this::getCenter).warn();
|
---|
[3478] | 487 | return;
|
---|
[6019] | 488 | }
|
---|
[6070] | 489 |
|
---|
[11765] | 490 | try {
|
---|
[13400] | 491 | drawMapContent((Graphics2D) g);
|
---|
[11807] | 492 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
[11765] | 493 | throw BugReport.intercept(e).put("visibleLayers", layerManager::getVisibleLayersInZOrder)
|
---|
| 494 | .put("temporaryLayers", temporaryLayers);
|
---|
| 495 | }
|
---|
| 496 | super.paint(g);
|
---|
| 497 | }
|
---|
| 498 |
|
---|
[13400] | 499 | private void drawMapContent(Graphics2D g) {
|
---|
[12722] | 500 | // In HiDPI-mode, the Graphics g will have a transform that scales
|
---|
| 501 | // everything by a factor of 2.0 or so. At the same time, the value returned
|
---|
| 502 | // by getWidth()/getHeight will be reduced by that factor.
|
---|
| 503 | //
|
---|
| 504 | // This would work as intended, if we were to draw directly on g. But
|
---|
| 505 | // with a temporary buffer image, we need to move the scale transform to
|
---|
| 506 | // the Graphics of the buffer image and (in the end) transfer the content
|
---|
| 507 | // of the temporary buffer pixel by pixel onto g, without scaling.
|
---|
| 508 | // (Otherwise, we would upscale a small buffer image and the result would be
|
---|
| 509 | // blurry, with 2x2 pixel blocks.)
|
---|
[13400] | 510 | AffineTransform trOrig = g.getTransform();
|
---|
| 511 | double uiScaleX = g.getTransform().getScaleX();
|
---|
| 512 | double uiScaleY = g.getTransform().getScaleY();
|
---|
[12722] | 513 | // width/height in full-resolution screen pixels
|
---|
| 514 | int width = (int) Math.round(getWidth() * uiScaleX);
|
---|
| 515 | int height = (int) Math.round(getHeight() * uiScaleY);
|
---|
| 516 | // This transformation corresponds to the original transformation of g,
|
---|
| 517 | // except for the translation part. It will be applied to the temporary
|
---|
| 518 | // buffer images.
|
---|
| 519 | AffineTransform trDef = AffineTransform.getScaleInstance(uiScaleX, uiScaleY);
|
---|
| 520 | // The goal is to create the temporary image at full pixel resolution,
|
---|
| 521 | // so scale up the clip shape
|
---|
| 522 | Shape scaledClip = trDef.createTransformedShape(g.getClip());
|
---|
| 523 |
|
---|
[10271] | 524 | List<Layer> visibleLayers = layerManager.getVisibleLayersInZOrder();
|
---|
[3116] | 525 |
|
---|
| 526 | int nonChangedLayersCount = 0;
|
---|
[10809] | 527 | Set<MapViewPaintable> invalidated = invalidatedListener.collectInvalidatedLayers();
|
---|
[3116] | 528 | for (Layer l: visibleLayers) {
|
---|
[12170] | 529 | if (invalidated.contains(l)) {
|
---|
[3116] | 530 | break;
|
---|
| 531 | } else {
|
---|
| 532 | nonChangedLayersCount++;
|
---|
| 533 | }
|
---|
[1750] | 534 | }
|
---|
[775] | 535 |
|
---|
[11029] | 536 | boolean canUseBuffer = !paintPreferencesChanged.getAndSet(false)
|
---|
[11028] | 537 | && nonChangedLayers.size() <= nonChangedLayersCount
|
---|
| 538 | && lastViewID == getViewID()
|
---|
| 539 | && lastClipBounds.contains(g.getClipBounds())
|
---|
| 540 | && nonChangedLayers.equals(visibleLayers.subList(0, nonChangedLayers.size()));
|
---|
[283] | 541 |
|
---|
[12722] | 542 | if (null == offscreenBuffer || offscreenBuffer.getWidth() != width || offscreenBuffer.getHeight() != height) {
|
---|
| 543 | offscreenBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
|
---|
[3136] | 544 | }
|
---|
| 545 |
|
---|
| 546 | if (!canUseBuffer || nonChangedLayersBuffer == null) {
|
---|
[8509] | 547 | if (null == nonChangedLayersBuffer
|
---|
[12722] | 548 | || nonChangedLayersBuffer.getWidth() != width || nonChangedLayersBuffer.getHeight() != height) {
|
---|
| 549 | nonChangedLayersBuffer = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
|
---|
[3116] | 550 | }
|
---|
[3136] | 551 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
[12722] | 552 | g2.setClip(scaledClip);
|
---|
| 553 | g2.setTransform(trDef);
|
---|
[3896] | 554 | g2.setColor(PaintColors.getBackgroundColor());
|
---|
[12722] | 555 | g2.fillRect(0, 0, width, height);
|
---|
[3116] | 556 |
|
---|
[8510] | 557 | for (int i = 0; i < nonChangedLayersCount; i++) {
|
---|
[11226] | 558 | paintLayer(visibleLayers.get(i), g2);
|
---|
[3116] | 559 | }
|
---|
| 560 | } else {
|
---|
| 561 | // Maybe there were more unchanged layers then last time - draw them to buffer
|
---|
| 562 | if (nonChangedLayers.size() != nonChangedLayersCount) {
|
---|
[3136] | 563 | Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
|
---|
[12722] | 564 | g2.setClip(scaledClip);
|
---|
| 565 | g2.setTransform(trDef);
|
---|
[8510] | 566 | for (int i = nonChangedLayers.size(); i < nonChangedLayersCount; i++) {
|
---|
[11226] | 567 | paintLayer(visibleLayers.get(i), g2);
|
---|
[3116] | 568 | }
|
---|
| 569 | }
|
---|
[1169] | 570 | }
|
---|
[3116] | 571 |
|
---|
| 572 | nonChangedLayers.clear();
|
---|
[11028] | 573 | nonChangedLayers.addAll(visibleLayers.subList(0, nonChangedLayersCount));
|
---|
[3118] | 574 | lastViewID = getViewID();
|
---|
[3144] | 575 | lastClipBounds = g.getClipBounds();
|
---|
[3116] | 576 |
|
---|
[12722] | 577 | Graphics2D tempG = offscreenBuffer.createGraphics();
|
---|
| 578 | tempG.setClip(scaledClip);
|
---|
| 579 | tempG.setTransform(new AffineTransform());
|
---|
[3136] | 580 | tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);
|
---|
[12722] | 581 | tempG.setTransform(trDef);
|
---|
[3116] | 582 |
|
---|
[8510] | 583 | for (int i = nonChangedLayersCount; i < visibleLayers.size(); i++) {
|
---|
[11226] | 584 | paintLayer(visibleLayers.get(i), tempG);
|
---|
[3116] | 585 | }
|
---|
| 586 |
|
---|
[10819] | 587 | try {
|
---|
[12722] | 588 | drawTemporaryLayers(tempG, getLatLonBounds(new Rectangle(
|
---|
| 589 | (int) Math.round(g.getClipBounds().x * uiScaleX),
|
---|
| 590 | (int) Math.round(g.getClipBounds().y * uiScaleY))));
|
---|
[11746] | 591 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
[10819] | 592 | BugReport.intercept(e).put("temporaryLayers", temporaryLayers).warn();
|
---|
[1169] | 593 | }
|
---|
[1023] | 594 |
|
---|
[1169] | 595 | // draw world borders
|
---|
[10586] | 596 | try {
|
---|
| 597 | drawWorldBorders(tempG);
|
---|
[11746] | 598 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
[10819] | 599 | // getProjection() needs to be inside lambda to catch errors.
|
---|
| 600 | BugReport.intercept(e).put("bounds", () -> getProjection().getWorldBoundsLatLon()).warn();
|
---|
[10586] | 601 | }
|
---|
| 602 |
|
---|
[12630] | 603 | MapFrame map = MainApplication.getMap();
|
---|
[12400] | 604 | if (AutoFilterManager.getInstance().getCurrentAutoFilter() != null) {
|
---|
| 605 | AutoFilterManager.getInstance().drawOSDText(tempG);
|
---|
[12630] | 606 | } else if (MainApplication.isDisplayingMapView() && map.filterDialog != null) {
|
---|
| 607 | map.filterDialog.drawOSDText(tempG);
|
---|
[10586] | 608 | }
|
---|
| 609 |
|
---|
| 610 | if (playHeadMarker != null) {
|
---|
| 611 | playHeadMarker.paint(tempG, this);
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 | try {
|
---|
[13400] | 615 | g.setTransform(new AffineTransform(1, 0, 0, 1, trOrig.getTranslateX(), trOrig.getTranslateY()));
|
---|
| 616 | g.drawImage(offscreenBuffer, 0, 0, null);
|
---|
[10586] | 617 | } catch (ClassCastException e) {
|
---|
| 618 | // See #11002 and duplicate tickets. On Linux with Java >= 8 Many users face this error here:
|
---|
| 619 | //
|
---|
| 620 | // java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
|
---|
| 621 | // at sun.java2d.xr.XRPMBlitLoops.cacheToTmpSurface(XRPMBlitLoops.java:145)
|
---|
| 622 | // at sun.java2d.xr.XrSwToPMBlit.Blit(XRPMBlitLoops.java:353)
|
---|
| 623 | // at sun.java2d.pipe.DrawImage.blitSurfaceData(DrawImage.java:959)
|
---|
| 624 | // at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java:577)
|
---|
| 625 | // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:67)
|
---|
| 626 | // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014)
|
---|
| 627 | // at sun.java2d.pipe.ValidatePipe.copyImage(ValidatePipe.java:186)
|
---|
| 628 | // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318)
|
---|
| 629 | // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3296)
|
---|
| 630 | // at org.openstreetmap.josm.gui.MapView.paint(MapView.java:834)
|
---|
| 631 | //
|
---|
| 632 | // It seems to be this JDK bug, but Oracle does not seem to be fixing it:
|
---|
| 633 | // https://bugs.openjdk.java.net/browse/JDK-7172749
|
---|
| 634 | //
|
---|
| 635 | // According to bug reports it can happen for a variety of reasons such as:
|
---|
| 636 | // - long period of time
|
---|
| 637 | // - change of screen resolution
|
---|
| 638 | // - addition/removal of a secondary monitor
|
---|
| 639 | //
|
---|
| 640 | // But the application seems to work fine after, so let's just log the error
|
---|
[12620] | 641 | Logging.error(e);
|
---|
[12722] | 642 | } finally {
|
---|
[13400] | 643 | g.setTransform(trOrig);
|
---|
[10586] | 644 | }
|
---|
| 645 | }
|
---|
| 646 |
|
---|
[10819] | 647 | private void drawTemporaryLayers(Graphics2D tempG, Bounds box) {
|
---|
| 648 | synchronized (temporaryLayers) {
|
---|
| 649 | for (MapViewPaintable mvp : temporaryLayers) {
|
---|
| 650 | try {
|
---|
| 651 | mvp.paint(tempG, this, box);
|
---|
[11746] | 652 | } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) {
|
---|
[10819] | 653 | throw BugReport.intercept(e).put("mvp", mvp);
|
---|
| 654 | }
|
---|
| 655 | }
|
---|
| 656 | }
|
---|
| 657 | }
|
---|
| 658 |
|
---|
[10586] | 659 | private void drawWorldBorders(Graphics2D tempG) {
|
---|
[1169] | 660 | tempG.setColor(Color.WHITE);
|
---|
[1823] | 661 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
| 662 |
|
---|
[3116] | 663 | int w = getWidth();
|
---|
| 664 | int h = getHeight();
|
---|
[2107] | 665 |
|
---|
| 666 | // Work around OpenJDK having problems when drawing out of bounds
|
---|
[10806] | 667 | final Area border = getState().getArea(b);
|
---|
[2107] | 668 | // Make the viewport 1px larger in every direction to prevent an
|
---|
| 669 | // additional 1px border when zooming in
|
---|
| 670 | final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
|
---|
| 671 | border.intersect(viewport);
|
---|
| 672 | tempG.draw(border);
|
---|
[1169] | 673 | }
|
---|
[283] | 674 |
|
---|
[1169] | 675 | /**
|
---|
[8553] | 676 | * Sets up the viewport to prepare for drawing the view.
|
---|
| 677 | * @return <code>true</code> if the view can be drawn, <code>false</code> otherwise.
|
---|
| 678 | */
|
---|
| 679 | public boolean prepareToDraw() {
|
---|
[10375] | 680 | updateLocationState();
|
---|
[8553] | 681 | if (initialViewport != null) {
|
---|
| 682 | zoomTo(initialViewport);
|
---|
| 683 | initialViewport = null;
|
---|
| 684 | }
|
---|
| 685 |
|
---|
| 686 | if (getCenter() == null)
|
---|
| 687 | return false; // no data loaded yet.
|
---|
| 688 |
|
---|
| 689 | // if the position was remembered, we need to adjust center once before repainting
|
---|
| 690 | if (oldLoc != null && oldSize != null) {
|
---|
[10378] | 691 | Point l1 = getLocationOnScreen();
|
---|
[8553] | 692 | final EastNorth newCenter = new EastNorth(
|
---|
| 693 | getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
|
---|
| 694 | getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
|
---|
| 695 | );
|
---|
| 696 | oldLoc = null; oldSize = null;
|
---|
| 697 | zoomTo(newCenter);
|
---|
| 698 | }
|
---|
| 699 |
|
---|
| 700 | return true;
|
---|
| 701 | }
|
---|
| 702 |
|
---|
[10271] | 703 | @Override
|
---|
| 704 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
|
---|
[12630] | 705 | MapFrame map = MainApplication.getMap();
|
---|
| 706 | if (map != null) {
|
---|
[10458] | 707 | /* This only makes the buttons look disabled. Disabling the actions as well requires
|
---|
| 708 | * the user to re-select the tool after i.e. moving a layer. While testing I found
|
---|
| 709 | * that I switch layers and actions at the same time and it was annoying to mind the
|
---|
| 710 | * order. This way it works as visual clue for new users */
|
---|
| 711 | // FIXME: This does not belong here.
|
---|
[12630] | 712 | for (final AbstractButton b: map.allMapModeButtons) {
|
---|
[10458] | 713 | MapMode mode = (MapMode) b.getAction();
|
---|
| 714 | final boolean activeLayerSupported = mode.layerIsSupported(layerManager.getActiveLayer());
|
---|
| 715 | if (activeLayerSupported) {
|
---|
[12639] | 716 | MainApplication.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
|
---|
[10458] | 717 | } else {
|
---|
[12639] | 718 | MainApplication.unregisterShortcut(mode.getShortcut());
|
---|
[10458] | 719 | }
|
---|
| 720 | b.setEnabled(activeLayerSupported);
|
---|
[4480] | 721 | }
|
---|
[1379] | 722 | }
|
---|
[12174] | 723 | // invalidate repaint cache. The layer order may have changed by this, so we invalidate every layer
|
---|
| 724 | getLayerManager().getLayers().forEach(invalidatedListener::invalidate);
|
---|
[1685] | 725 | AudioPlayer.reset();
|
---|
[1169] | 726 | }
|
---|
[283] | 727 |
|
---|
[1169] | 728 | /**
|
---|
[8552] | 729 | * Adds a new temporary layer.
|
---|
| 730 | * <p>
|
---|
| 731 | * A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added.
|
---|
| 732 | *
|
---|
| 733 | * @param mvp The layer to paint.
|
---|
| 734 | * @return <code>true</code> if the layer was added.
|
---|
| 735 | */
|
---|
[1169] | 736 | public boolean addTemporaryLayer(MapViewPaintable mvp) {
|
---|
[8552] | 737 | synchronized (temporaryLayers) {
|
---|
[10031] | 738 | boolean added = temporaryLayers.add(mvp);
|
---|
| 739 | if (added) {
|
---|
| 740 | invalidatedListener.addTo(mvp);
|
---|
| 741 | }
|
---|
[12103] | 742 | repaint();
|
---|
[10031] | 743 | return added;
|
---|
[8552] | 744 | }
|
---|
[1169] | 745 | }
|
---|
[1023] | 746 |
|
---|
[8552] | 747 | /**
|
---|
| 748 | * Removes a layer previously added as temporary layer.
|
---|
| 749 | * @param mvp The layer to remove.
|
---|
| 750 | * @return <code>true</code> if that layer was removed.
|
---|
| 751 | */
|
---|
[1169] | 752 | public boolean removeTemporaryLayer(MapViewPaintable mvp) {
|
---|
[8552] | 753 | synchronized (temporaryLayers) {
|
---|
[10031] | 754 | boolean removed = temporaryLayers.remove(mvp);
|
---|
| 755 | if (removed) {
|
---|
| 756 | invalidatedListener.removeFrom(mvp);
|
---|
| 757 | }
|
---|
[12103] | 758 | repaint();
|
---|
[10031] | 759 | return removed;
|
---|
[8552] | 760 | }
|
---|
[1169] | 761 | }
|
---|
[1890] | 762 |
|
---|
[8552] | 763 | /**
|
---|
| 764 | * Gets a list of temporary layers.
|
---|
| 765 | * @return The layers in the order they are added.
|
---|
| 766 | */
|
---|
| 767 | public List<MapViewPaintable> getTemporaryLayers() {
|
---|
| 768 | synchronized (temporaryLayers) {
|
---|
| 769 | return Collections.unmodifiableList(new ArrayList<>(temporaryLayers));
|
---|
| 770 | }
|
---|
| 771 | }
|
---|
| 772 |
|
---|
[5965] | 773 | @Override
|
---|
[1890] | 774 | public void propertyChange(PropertyChangeEvent evt) {
|
---|
| 775 | if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
|
---|
| 776 | repaint();
|
---|
[8625] | 777 | } else if (evt.getPropertyName().equals(Layer.OPACITY_PROP) ||
|
---|
| 778 | evt.getPropertyName().equals(Layer.FILTER_STATE_PROP)) {
|
---|
[8510] | 779 | Layer l = (Layer) evt.getSource();
|
---|
[3705] | 780 | if (l.isVisible()) {
|
---|
[10809] | 781 | invalidatedListener.invalidate(l);
|
---|
[3705] | 782 | }
|
---|
[1890] | 783 | }
|
---|
| 784 | }
|
---|
[2025] | 785 |
|
---|
[5406] | 786 | @Override
|
---|
| 787 | public void preferenceChanged(PreferenceChangeEvent e) {
|
---|
[11029] | 788 | paintPreferencesChanged.set(true);
|
---|
[3128] | 789 | }
|
---|
| 790 |
|
---|
[12099] | 791 | private final transient DataSelectionListener repaintSelectionChangedListener = event -> repaint();
|
---|
[3443] | 792 |
|
---|
[10374] | 793 | /**
|
---|
| 794 | * Destroy this map view panel. Should be called once when it is not needed any more.
|
---|
| 795 | */
|
---|
[3443] | 796 | public void destroy() {
|
---|
[11905] | 797 | layerManager.removeAndFireLayerChangeListener(this);
|
---|
[10271] | 798 | layerManager.removeActiveLayerChangeListener(this);
|
---|
[12846] | 799 | Config.getPref().removePreferenceChangeListener(this);
|
---|
[12099] | 800 | SelectionEventManager.getInstance().removeSelectionListener(repaintSelectionChangedListener);
|
---|
[11779] | 801 | MultipolygonCache.getInstance().clear();
|
---|
[5472] | 802 | if (mapMover != null) {
|
---|
| 803 | mapMover.destroy();
|
---|
| 804 | }
|
---|
[10271] | 805 | nonChangedLayers.clear();
|
---|
[8552] | 806 | synchronized (temporaryLayers) {
|
---|
| 807 | temporaryLayers.clear();
|
---|
| 808 | }
|
---|
[10374] | 809 | nonChangedLayersBuffer = null;
|
---|
[10898] | 810 | offscreenBuffer = null;
|
---|
[3443] | 811 | }
|
---|
| 812 |
|
---|
[6565] | 813 | /**
|
---|
| 814 | * Get a string representation of all layers suitable for the {@code source} changeset tag.
|
---|
[8551] | 815 | * @return A String of sources separated by ';'
|
---|
[6565] | 816 | */
|
---|
| 817 | public String getLayerInformationForSourceTag() {
|
---|
[10669] | 818 | final Set<String> layerInfo = new TreeSet<>();
|
---|
| 819 | if (!layerManager.getLayersOfType(GpxLayer.class).isEmpty()) {
|
---|
[6565] | 820 | // no i18n for international values
|
---|
| 821 | layerInfo.add("survey");
|
---|
| 822 | }
|
---|
[10669] | 823 | for (final GeoImageLayer i : layerManager.getLayersOfType(GeoImageLayer.class)) {
|
---|
[9198] | 824 | if (i.isVisible()) {
|
---|
| 825 | layerInfo.add(i.getName());
|
---|
| 826 | }
|
---|
[6565] | 827 | }
|
---|
[10669] | 828 | for (final ImageryLayer i : layerManager.getLayersOfType(ImageryLayer.class)) {
|
---|
[9198] | 829 | if (i.isVisible()) {
|
---|
| 830 | layerInfo.add(ImageryInfo.ImageryType.BING.equals(i.getInfo().getImageryType()) ? "Bing" : i.getName());
|
---|
| 831 | }
|
---|
[6565] | 832 | }
|
---|
| 833 | return Utils.join("; ", layerInfo);
|
---|
| 834 | }
|
---|
[8548] | 835 |
|
---|
| 836 | /**
|
---|
| 837 | * This is a listener that gets informed whenever repaint is called for this MapView.
|
---|
| 838 | * <p>
|
---|
| 839 | * This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly.
|
---|
| 840 | * @author Michael Zangl
|
---|
[10600] | 841 | * @since 10600 (functional interface)
|
---|
[8548] | 842 | */
|
---|
[10600] | 843 | @FunctionalInterface
|
---|
[8548] | 844 | public interface RepaintListener {
|
---|
| 845 | /**
|
---|
| 846 | * Called when any repaint method is called (using default arguments if required).
|
---|
| 847 | * @param tm see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
| 848 | * @param x see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
| 849 | * @param y see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
| 850 | * @param width see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
| 851 | * @param height see {@link JComponent#repaint(long, int, int, int, int)}
|
---|
| 852 | */
|
---|
| 853 | void repaint(long tm, int x, int y, int width, int height);
|
---|
| 854 | }
|
---|
| 855 |
|
---|
[9623] | 856 | private final transient CopyOnWriteArrayList<RepaintListener> repaintListeners = new CopyOnWriteArrayList<>();
|
---|
[8548] | 857 |
|
---|
| 858 | /**
|
---|
| 859 | * Adds a listener that gets informed whenever repaint() is called for this class.
|
---|
| 860 | * @param l The listener.
|
---|
| 861 | */
|
---|
| 862 | public void addRepaintListener(RepaintListener l) {
|
---|
| 863 | repaintListeners.add(l);
|
---|
| 864 | }
|
---|
| 865 |
|
---|
| 866 | /**
|
---|
| 867 | * Removes a registered repaint listener.
|
---|
| 868 | * @param l The listener.
|
---|
| 869 | */
|
---|
| 870 | public void removeRepaintListener(RepaintListener l) {
|
---|
| 871 | repaintListeners.remove(l);
|
---|
| 872 | }
|
---|
| 873 |
|
---|
| 874 | @Override
|
---|
| 875 | public void repaint(long tm, int x, int y, int width, int height) {
|
---|
[8557] | 876 | // This is the main repaint method, all other methods are convenience methods and simply call this method.
|
---|
| 877 | // This is just an observation, not a must, but seems to be true for all implementations I found so far.
|
---|
[8548] | 878 | if (repaintListeners != null) {
|
---|
| 879 | // Might get called early in super constructor
|
---|
| 880 | for (RepaintListener l : repaintListeners) {
|
---|
| 881 | l.repaint(tm, x, y, width, height);
|
---|
| 882 | }
|
---|
| 883 | }
|
---|
| 884 | super.repaint(tm, x, y, width, height);
|
---|
| 885 | }
|
---|
[10031] | 886 |
|
---|
| 887 | @Override
|
---|
| 888 | public void repaint() {
|
---|
[12620] | 889 | if (Logging.isTraceEnabled()) {
|
---|
[10031] | 890 | invalidatedListener.traceRandomRepaint();
|
---|
| 891 | }
|
---|
| 892 | super.repaint();
|
---|
| 893 | }
|
---|
[10282] | 894 |
|
---|
| 895 | /**
|
---|
| 896 | * Returns the layer manager.
|
---|
| 897 | * @return the layer manager
|
---|
| 898 | * @since 10282
|
---|
| 899 | */
|
---|
| 900 | public final MainLayerManager getLayerManager() {
|
---|
| 901 | return layerManager;
|
---|
| 902 | }
|
---|
[10394] | 903 |
|
---|
| 904 | /**
|
---|
| 905 | * Schedule a zoom to the given position on the next redraw.
|
---|
| 906 | * Temporary, may be removed without warning.
|
---|
[10395] | 907 | * @param viewportData the viewport to zoom to
|
---|
| 908 | * @since 10394
|
---|
[10394] | 909 | */
|
---|
| 910 | public void scheduleZoomTo(ViewportData viewportData) {
|
---|
| 911 | initialViewport = viewportData;
|
---|
| 912 | }
|
---|
[13126] | 913 |
|
---|
| 914 | /**
|
---|
| 915 | * Returns the internal {@link MapMover}.
|
---|
| 916 | * @return the internal {@code MapMover}
|
---|
| 917 | * @since 13126
|
---|
| 918 | */
|
---|
| 919 | public final MapMover getMapMover() {
|
---|
| 920 | return mapMover;
|
---|
| 921 | }
|
---|
[283] | 922 | }
|
---|