1 | // License: GPL. See LICENSE file for details.
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2 |
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3 | package org.openstreetmap.josm.gui;
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4 |
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.Color;
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8 | import java.awt.Graphics;
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9 | import java.awt.Graphics2D;
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10 | import java.awt.Point;
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11 | import java.awt.Rectangle;
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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.MouseEvent;
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15 | import java.awt.event.MouseMotionListener;
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16 | import java.awt.geom.Area;
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17 | import java.awt.geom.GeneralPath;
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18 | import java.awt.image.BufferedImage;
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19 | import java.beans.PropertyChangeEvent;
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20 | import java.beans.PropertyChangeListener;
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21 | import java.util.ArrayList;
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22 | import java.util.Collection;
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23 | import java.util.Collections;
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24 | import java.util.Comparator;
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25 | import java.util.Enumeration;
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26 | import java.util.LinkedList;
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27 | import java.util.List;
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28 | import java.util.concurrent.CopyOnWriteArrayList;
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29 |
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30 | import javax.swing.AbstractButton;
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31 | import javax.swing.JComponent;
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32 | import javax.swing.JOptionPane;
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33 |
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34 | import org.openstreetmap.josm.Main;
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35 | import org.openstreetmap.josm.actions.AutoScaleAction;
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36 | import org.openstreetmap.josm.actions.JosmAction;
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37 | import org.openstreetmap.josm.actions.MoveAction;
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38 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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39 | import org.openstreetmap.josm.data.Bounds;
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40 | import org.openstreetmap.josm.data.SelectionChangedListener;
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41 | import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
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42 | import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
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43 | import org.openstreetmap.josm.data.coor.LatLon;
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44 | import org.openstreetmap.josm.data.osm.DataSet;
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45 | import org.openstreetmap.josm.data.osm.DataSource;
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46 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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47 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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48 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
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49 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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50 | import org.openstreetmap.josm.gui.layer.Layer;
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51 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
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52 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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53 | import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
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54 | import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
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55 | import org.openstreetmap.josm.tools.AudioPlayer;
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56 |
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57 | /**
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58 | * This is a component used in the MapFrame for browsing the map. It use is to
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59 | * provide the MapMode's enough capabilities to operate.
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60 | *
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61 | * MapView hold meta-data about the data set currently displayed, as scale level,
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62 | * center point viewed, what scrolling mode or editing mode is selected or with
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63 | * what projection the map is viewed etc..
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64 | *
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65 | * MapView is able to administrate several layers.
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66 | *
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67 | * @author imi
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68 | */
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69 | public class MapView extends NavigatableComponent implements PropertyChangeListener, PreferenceChangedListener {
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70 |
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71 | /**
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72 | * Interface to notify listeners of the change of the active layer.
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73 | * @author imi
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74 | */
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75 | public interface LayerChangeListener {
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76 | void activeLayerChange(Layer oldLayer, Layer newLayer);
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77 | void layerAdded(Layer newLayer);
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78 | void layerRemoved(Layer oldLayer);
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79 | }
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80 |
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81 | public interface EditLayerChangeListener {
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82 | void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
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83 | }
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84 |
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85 | /**
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86 | * the layer listeners
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87 | */
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88 | private static final CopyOnWriteArrayList<MapView.LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<MapView.LayerChangeListener>();
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89 | private static final CopyOnWriteArrayList<EditLayerChangeListener> editLayerChangeListeners = new CopyOnWriteArrayList<EditLayerChangeListener>();
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90 |
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91 | /**
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92 | * Removes a layer change listener
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93 | *
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94 | * @param listener the listener. Ignored if null or already registered.
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95 | */
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96 | public static void removeLayerChangeListener(MapView.LayerChangeListener listener) {
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97 | layerChangeListeners.remove(listener);
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98 | }
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99 |
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100 | public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
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101 | editLayerChangeListeners.remove(listener);
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102 | }
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103 |
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104 | /**
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105 | * Adds a layer change listener
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106 | *
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107 | * @param listener the listener. Ignored if null or already registered.
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108 | */
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109 | public static void addLayerChangeListener(MapView.LayerChangeListener listener) {
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110 | if (listener != null) {
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111 | layerChangeListeners.addIfAbsent(listener);
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112 | }
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113 | }
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114 |
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115 | /**
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116 | * Adds a edit layer change listener
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117 | *
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118 | * @param listener the listener. Ignored if null or already registered.
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119 | * @param initialFire Fire an edit-layer-changed-event right after adding the listener.
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120 | */
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121 | public static void addEditLayerChangeListener(EditLayerChangeListener listener, boolean initialFire) {
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122 | addEditLayerChangeListener(listener);
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123 | if (initialFire) {
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124 | if (Main.map != null && Main.map.mapView != null && Main.map.mapView.getEditLayer() != null) {
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125 | fireEditLayerChanged(null, Main.map.mapView.getEditLayer());
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126 | }
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127 | }
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128 | }
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129 |
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130 | public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
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131 | if (listener != null) {
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132 | editLayerChangeListeners.addIfAbsent(listener);
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133 | }
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134 | }
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135 |
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136 | protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
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137 | for (LayerChangeListener l : layerChangeListeners) {
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138 | l.activeLayerChange(oldLayer, newLayer);
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139 | }
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140 | }
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141 |
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142 | protected static void fireLayerAdded(Layer newLayer) {
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143 | for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
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144 | l.layerAdded(newLayer);
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145 | }
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146 | }
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147 |
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148 | protected static void fireLayerRemoved(Layer layer) {
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149 | for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
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150 | l.layerRemoved(layer);
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151 | }
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152 | }
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153 |
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154 | protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
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155 | for (EditLayerChangeListener l : editLayerChangeListeners) {
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156 | l.editLayerChanged(oldLayer, newLayer);
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157 | }
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158 | }
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159 |
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160 | /**
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161 | * A list of all layers currently loaded.
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162 | */
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163 | private final List<Layer> layers = new ArrayList<Layer>();
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164 | /**
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165 | * The play head marker: there is only one of these so it isn't in any specific layer
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166 | */
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167 | public PlayHeadMarker playHeadMarker = null;
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168 |
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169 | /**
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170 | * The layer from the layers list that is currently active.
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171 | */
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172 | private Layer activeLayer;
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173 |
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174 | private OsmDataLayer editLayer;
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175 |
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176 | /**
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177 | * The last event performed by mouse.
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178 | */
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179 | public MouseEvent lastMEvent;
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180 |
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181 | private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
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182 |
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183 | private BufferedImage offscreenBuffer;
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184 | // Layers that wasn't changed since last paint
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185 | private final List<Layer> nonChangedLayers = new ArrayList<Layer>();
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186 | private int lastViewID;
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187 | private boolean paintPreferencesChanged = true;
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188 |
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189 | public MapView() {
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190 | Main.pref.addPreferenceChangeListener(this);
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191 | addComponentListener(new ComponentAdapter(){
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192 | @Override public void componentResized(ComponentEvent e) {
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193 | removeComponentListener(this);
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194 |
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195 | MapSlider zoomSlider = new MapSlider(MapView.this);
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196 | add(zoomSlider);
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197 | zoomSlider.setBounds(3, 0, 114, 30);
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198 |
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199 | MapScaler scaler = new MapScaler(MapView.this);
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200 | add(scaler);
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201 | scaler.setLocation(10,30);
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202 |
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203 | OsmDataLayer layer = getEditLayer();
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204 | if (layer != null) {
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205 | if (!zoomToDataSetBoundingBox(layer.data)) {
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206 | // no bounding box defined
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207 | new AutoScaleAction("data").actionPerformed(null);
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208 | }
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209 | } else {
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210 | new AutoScaleAction("layer").actionPerformed(null);
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211 | }
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212 |
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213 | new MapMover(MapView.this, Main.contentPane);
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214 | JosmAction mv;
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215 | mv = new MoveAction(MoveAction.Direction.UP);
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216 | if (mv.getShortcut() != null) {
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217 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
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218 | Main.contentPane.getActionMap().put("UP", mv);
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219 | }
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220 | mv = new MoveAction(MoveAction.Direction.DOWN);
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221 | if (mv.getShortcut() != null) {
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222 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
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223 | Main.contentPane.getActionMap().put("DOWN", mv);
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224 | }
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225 | mv = new MoveAction(MoveAction.Direction.LEFT);
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226 | if (mv.getShortcut() != null) {
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227 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
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228 | Main.contentPane.getActionMap().put("LEFT", mv);
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229 | }
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230 | mv = new MoveAction(MoveAction.Direction.RIGHT);
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231 | if (mv.getShortcut() != null) {
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232 | Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
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233 | Main.contentPane.getActionMap().put("RIGHT", mv);
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234 | }
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235 | }
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236 | });
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237 |
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238 | // listend to selection changes to redraw the map
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239 | DataSet.selListeners.add(new SelectionChangedListener(){
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240 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
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241 | repaint();
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242 | }
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243 | });
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244 |
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245 | //store the last mouse action
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246 | this.addMouseMotionListener(new MouseMotionListener() {
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247 | public void mouseDragged(MouseEvent e) {
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248 | mouseMoved(e);
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249 | }
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250 | public void mouseMoved(MouseEvent e) {
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251 | lastMEvent = e;
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252 | }
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253 | });
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254 | }
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255 |
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256 | /**
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257 | * Adds a GPX layer. A GPX layer is added below the lowest data layer.
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258 | *
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259 | * @param layer the GPX layer
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260 | */
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261 | protected void addGpxLayer(GpxLayer layer) {
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262 | if (layers.isEmpty()) {
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263 | layers.add(layer);
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264 | return;
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265 | }
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266 | for (int i=layers.size()-1; i>= 0; i--) {
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267 | if (layers.get(i) instanceof OsmDataLayer) {
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268 | if (i == layers.size()-1) {
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269 | layers.add(layer);
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270 | } else {
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271 | layers.add(i+1, layer);
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272 | }
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273 | return;
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274 | }
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275 | }
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276 | layers.add(layer);
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277 | }
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278 |
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279 | /**
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280 | * Add a layer to the current MapView. The layer will be added at topmost
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281 | * position.
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282 | */
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283 | public void addLayer(Layer layer) {
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284 | if (layer instanceof MarkerLayer && playHeadMarker == null) {
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285 | playHeadMarker = PlayHeadMarker.create();
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286 | }
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287 |
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288 | if (layer instanceof GpxLayer) {
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289 | addGpxLayer((GpxLayer)layer);
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290 | } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
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291 | layers.add(layer);
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292 | } else {
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293 | layers.add(0, layer);
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294 | }
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295 | fireLayerAdded(layer);
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296 | if (layer instanceof OsmDataLayer || activeLayer == null) {
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297 | // autoselect the new layer
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298 | setActiveLayer(layer);
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299 | }
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300 | layer.addPropertyChangeListener(this);
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301 | AudioPlayer.reset();
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302 | repaint();
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303 | }
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304 |
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305 | @Override
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306 | protected DataSet getCurrentDataSet() {
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307 | if (editLayer != null)
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308 | return editLayer.data;
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309 | else
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310 | return null;
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311 | }
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312 |
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313 | /**
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314 | * Replies true if the active layer is drawable.
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315 | *
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316 | * @return true if the active layer is drawable, false otherwise
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317 | */
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318 | public boolean isActiveLayerDrawable() {
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319 | return editLayer != null;
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320 | }
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321 |
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322 | /**
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323 | * Replies true if the active layer is visible.
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324 | *
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325 | * @return true if the active layer is visible, false otherwise
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326 | */
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327 | public boolean isActiveLayerVisible() {
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328 | return isActiveLayerDrawable() && editLayer.isVisible();
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329 | }
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330 |
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331 | /**
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332 | * Determines the next active data layer according to the following
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333 | * rules:
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334 | * <ul>
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335 | * <li>if there is at least one {@see OsmDataLayer} the first one
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336 | * becomes active</li>
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337 | * <li>otherwise, the top most layer of any type becomes active</li>
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338 | * </ul>
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339 | *
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340 | * @return the next active data layer
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341 | */
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342 | protected Layer determineNextActiveLayer(List<Layer> layersList) {
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343 | // First look for data layer
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344 | for (Layer layer:layersList) {
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345 | if (layer instanceof OsmDataLayer)
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346 | return layer;
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347 | }
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348 |
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349 | // Then any layer
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350 | if (!layersList.isEmpty())
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351 | return layersList.get(0);
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352 |
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353 | // and then give up
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354 | return null;
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355 |
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356 | }
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357 |
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358 | /**
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359 | * Remove the layer from the mapview. If the layer was in the list before,
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360 | * an LayerChange event is fired.
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361 | */
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362 | public void removeLayer(Layer layer) {
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363 | List<Layer> layersList = new ArrayList<Layer>(layers);
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364 |
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365 | if (!layersList.remove(layer))
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366 | return;
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367 |
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368 | setEditLayer(layersList);
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369 |
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370 | if (layer == activeLayer) {
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371 | setActiveLayer(determineNextActiveLayer(layersList), false);
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372 | }
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373 |
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374 | layers.remove(layer);
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375 | fireLayerRemoved(layer);
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376 | layer.removePropertyChangeListener(this);
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377 | layer.destroy();
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378 | AudioPlayer.reset();
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379 | repaint();
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380 | }
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381 |
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382 | private boolean virtualNodesEnabled = false;
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383 |
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384 | public void setVirtualNodesEnabled(boolean enabled) {
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385 | if(virtualNodesEnabled != enabled) {
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386 | virtualNodesEnabled = enabled;
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387 | repaint();
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388 | }
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389 | }
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390 | public boolean isVirtualNodesEnabled() {
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391 | return virtualNodesEnabled;
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392 | }
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393 |
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394 | /**
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395 | * Moves the layer to the given new position. No event is fired, but repaints
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396 | * according to the new Z-Order of the layers.
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397 | *
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398 | * @param layer The layer to move
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399 | * @param pos The new position of the layer
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400 | */
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401 | public void moveLayer(Layer layer, int pos) {
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402 | int curLayerPos = layers.indexOf(layer);
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403 | if (curLayerPos == -1)
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404 | throw new IllegalArgumentException(tr("Layer not in list."));
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405 | if (pos == curLayerPos)
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406 | return; // already in place.
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407 | layers.remove(curLayerPos);
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408 | if (pos >= layers.size()) {
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409 | layers.add(layer);
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410 | } else {
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411 | layers.add(pos, layer);
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412 | }
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413 | setEditLayer(layers);
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414 | AudioPlayer.reset();
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415 | repaint();
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416 | }
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417 |
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418 | public int getLayerPos(Layer layer) {
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419 | int curLayerPos = layers.indexOf(layer);
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420 | if (curLayerPos == -1)
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421 | throw new IllegalArgumentException(tr("Layer not in list."));
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422 | return curLayerPos;
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423 | }
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424 |
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425 | /**
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426 | * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
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427 | * first, layer with the highest Z-Order last.
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428 | *
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429 | * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
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430 | * first, layer with the highest Z-Order last.
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431 | */
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432 | protected List<Layer> getVisibleLayersInZOrder() {
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433 | ArrayList<Layer> ret = new ArrayList<Layer>();
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434 | for (Layer l: layers) {
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435 | if (l.isVisible()) {
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436 | ret.add(l);
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437 | }
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438 | }
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439 | // sort according to position in the list of layers, with one exception:
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440 | // an active data layer always becomes a higher Z-Order than all other
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441 | // data layers
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442 | //
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443 | Collections.sort(
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444 | ret,
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445 | new Comparator<Layer>() {
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446 | public int compare(Layer l1, Layer l2) {
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447 | if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
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448 | if (l1 == getActiveLayer()) return -1;
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449 | if (l2 == getActiveLayer()) return 1;
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450 | return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
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451 | } else
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452 | return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
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453 | }
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454 | }
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455 | );
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456 | Collections.reverse(ret);
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457 | return ret;
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458 | }
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459 |
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460 | /**
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461 | * Draw the component.
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462 | */
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463 | @Override public void paint(Graphics g) {
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464 | if (center == null)
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465 | return; // no data loaded yet.
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466 |
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467 | List<Layer> visibleLayers = getVisibleLayersInZOrder();
|
---|
468 |
|
---|
469 | int nonChangedLayersCount = 0;
|
---|
470 | for (Layer l: visibleLayers) {
|
---|
471 | if (l.isChanged()) {
|
---|
472 | break;
|
---|
473 | } else {
|
---|
474 | nonChangedLayersCount++;
|
---|
475 | }
|
---|
476 | }
|
---|
477 |
|
---|
478 | boolean canUseBuffer = !paintPreferencesChanged && nonChangedLayers.size() <= nonChangedLayersCount && lastViewID == getViewID();
|
---|
479 | if (canUseBuffer) {
|
---|
480 | for (int i=0; i<nonChangedLayers.size(); i++) {
|
---|
481 | if (visibleLayers.get(i) != nonChangedLayers.get(i)) {
|
---|
482 | canUseBuffer = false;
|
---|
483 | break;
|
---|
484 | }
|
---|
485 | }
|
---|
486 | }
|
---|
487 |
|
---|
488 | Graphics2D tempG = (Graphics2D) g;
|
---|
489 | Bounds box = getLatLonBounds(g.getClipBounds());
|
---|
490 |
|
---|
491 | if (!canUseBuffer || offscreenBuffer == null) {
|
---|
492 | if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth() || offscreenBuffer.getHeight() != getHeight()) {
|
---|
493 | offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
|
---|
494 | }
|
---|
495 | Graphics2D g2 = offscreenBuffer.createGraphics();
|
---|
496 | g2.setClip(g.getClip());
|
---|
497 | g2.setColor(PaintColors.BACKGROUND.get());
|
---|
498 | g2.fillRect(0, 0, getWidth(), getHeight());
|
---|
499 |
|
---|
500 | for (int i=0; i<nonChangedLayersCount; i++) {
|
---|
501 | visibleLayers.get(i).paint(g2, this, box);
|
---|
502 | }
|
---|
503 | } else {
|
---|
504 | // Maybe there were more unchanged layers then last time - draw them to buffer
|
---|
505 | if (nonChangedLayers.size() != nonChangedLayersCount) {
|
---|
506 | Graphics2D g2 = offscreenBuffer.createGraphics();
|
---|
507 | g2.setClip(g.getClip());
|
---|
508 | for (int i=nonChangedLayers.size(); i<nonChangedLayersCount; i++) {
|
---|
509 | visibleLayers.get(i).paint(g2, this, box);
|
---|
510 | }
|
---|
511 | }
|
---|
512 | }
|
---|
513 |
|
---|
514 | nonChangedLayers.clear();
|
---|
515 | for (int i=0; i<nonChangedLayersCount; i++) {
|
---|
516 | nonChangedLayers.add(visibleLayers.get(i));
|
---|
517 | }
|
---|
518 | lastViewID = getViewID();
|
---|
519 | paintPreferencesChanged = false;
|
---|
520 |
|
---|
521 | tempG.drawImage(offscreenBuffer, 0, 0, null);
|
---|
522 |
|
---|
523 | for (int i=nonChangedLayersCount; i<visibleLayers.size(); i++) {
|
---|
524 | visibleLayers.get(i).paint(tempG, this, box);
|
---|
525 | }
|
---|
526 |
|
---|
527 | for (MapViewPaintable mvp : temporaryLayers) {
|
---|
528 | mvp.paint(tempG, this, box);
|
---|
529 | }
|
---|
530 |
|
---|
531 | // draw world borders
|
---|
532 | tempG.setColor(Color.WHITE);
|
---|
533 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
534 | double lat = b.getMin().lat();
|
---|
535 | double lon = b.getMin().lon();
|
---|
536 |
|
---|
537 | Point p = getPoint(b.getMin());
|
---|
538 |
|
---|
539 | GeneralPath path = new GeneralPath();
|
---|
540 |
|
---|
541 | path.moveTo(p.x, p.y);
|
---|
542 | double max = b.getMax().lat();
|
---|
543 | for(; lat <= max; lat += 1.0)
|
---|
544 | {
|
---|
545 | p = getPoint(new LatLon(lat >= max ? max : lat, lon));
|
---|
546 | path.lineTo(p.x, p.y);
|
---|
547 | }
|
---|
548 | lat = max; max = b.getMax().lon();
|
---|
549 | for(; lon <= max; lon += 1.0)
|
---|
550 | {
|
---|
551 | p = getPoint(new LatLon(lat, lon >= max ? max : lon));
|
---|
552 | path.lineTo(p.x, p.y);
|
---|
553 | }
|
---|
554 | lon = max; max = b.getMin().lat();
|
---|
555 | for(; lat >= max; lat -= 1.0)
|
---|
556 | {
|
---|
557 | p = getPoint(new LatLon(lat <= max ? max : lat, lon));
|
---|
558 | path.lineTo(p.x, p.y);
|
---|
559 | }
|
---|
560 | lat = max; max = b.getMin().lon();
|
---|
561 | for(; lon >= max; lon -= 1.0)
|
---|
562 | {
|
---|
563 | p = getPoint(new LatLon(lat, lon <= max ? max : lon));
|
---|
564 | path.lineTo(p.x, p.y);
|
---|
565 | }
|
---|
566 |
|
---|
567 | int w = getWidth();
|
---|
568 | int h = getHeight();
|
---|
569 |
|
---|
570 | // Work around OpenJDK having problems when drawing out of bounds
|
---|
571 | final Area border = new Area(path);
|
---|
572 | // Make the viewport 1px larger in every direction to prevent an
|
---|
573 | // additional 1px border when zooming in
|
---|
574 | final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
|
---|
575 | border.intersect(viewport);
|
---|
576 | tempG.draw(border);
|
---|
577 |
|
---|
578 | if (playHeadMarker != null) {
|
---|
579 | playHeadMarker.paint(tempG, this);
|
---|
580 | }
|
---|
581 |
|
---|
582 | super.paint(g);
|
---|
583 | }
|
---|
584 |
|
---|
585 | /**
|
---|
586 | * Set the new dimension to the view.
|
---|
587 | */
|
---|
588 | public void recalculateCenterScale(BoundingXYVisitor box) {
|
---|
589 | if (box == null) {
|
---|
590 | box = new BoundingXYVisitor();
|
---|
591 | }
|
---|
592 | if (box.getBounds() == null) {
|
---|
593 | box.visit(getProjection().getWorldBoundsLatLon());
|
---|
594 | }
|
---|
595 | if (!box.hasExtend()) {
|
---|
596 | box.enlargeBoundingBox();
|
---|
597 | }
|
---|
598 |
|
---|
599 | zoomTo(box.getBounds());
|
---|
600 | }
|
---|
601 |
|
---|
602 | /**
|
---|
603 | * @return An unmodifiable collection of all layers
|
---|
604 | */
|
---|
605 | public Collection<Layer> getAllLayers() {
|
---|
606 | return Collections.unmodifiableCollection(layers);
|
---|
607 | }
|
---|
608 |
|
---|
609 | /**
|
---|
610 | * @return An unmodifiable ordered list of all layers
|
---|
611 | */
|
---|
612 | public List<Layer> getAllLayersAsList() {
|
---|
613 | return Collections.unmodifiableList(layers);
|
---|
614 | }
|
---|
615 |
|
---|
616 | /**
|
---|
617 | * Replies an unmodifiable list of layers of a certain type.
|
---|
618 | *
|
---|
619 | * Example:
|
---|
620 | * <pre>
|
---|
621 | * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
|
---|
622 | * </pre>
|
---|
623 | *
|
---|
624 | * @return an unmodifiable list of layers of a certain type.
|
---|
625 | */
|
---|
626 | public <T> List<T> getLayersOfType(Class<T> ofType) {
|
---|
627 | ArrayList<T> ret = new ArrayList<T>();
|
---|
628 | for (Layer layer : getAllLayersAsList()) {
|
---|
629 | if (ofType.isInstance(layer)) {
|
---|
630 | ret.add(ofType.cast(layer));
|
---|
631 | }
|
---|
632 | }
|
---|
633 | return ret;
|
---|
634 | }
|
---|
635 |
|
---|
636 | /**
|
---|
637 | * Replies the number of layers managed by this mav view
|
---|
638 | *
|
---|
639 | * @return the number of layers managed by this mav view
|
---|
640 | */
|
---|
641 | public int getNumLayers() {
|
---|
642 | return layers.size();
|
---|
643 | }
|
---|
644 |
|
---|
645 | /**
|
---|
646 | * Replies true if there is at least one layer in this map view
|
---|
647 | *
|
---|
648 | * @return true if there is at least one layer in this map view
|
---|
649 | */
|
---|
650 | public boolean hasLayers() {
|
---|
651 | return getNumLayers() > 0;
|
---|
652 | }
|
---|
653 |
|
---|
654 | private void setEditLayer(List<Layer> layersList) {
|
---|
655 | OsmDataLayer newEditLayer = layersList.contains(editLayer)?editLayer:null;
|
---|
656 | OsmDataLayer oldEditLayer = editLayer;
|
---|
657 |
|
---|
658 | // Find new edit layer
|
---|
659 | if (activeLayer != editLayer || !layersList.contains(editLayer)) {
|
---|
660 | if (activeLayer instanceof OsmDataLayer && layersList.contains(activeLayer)) {
|
---|
661 | newEditLayer = (OsmDataLayer) activeLayer;
|
---|
662 | } else {
|
---|
663 | for (Layer layer:layersList) {
|
---|
664 | if (layer instanceof OsmDataLayer) {
|
---|
665 | newEditLayer = (OsmDataLayer) layer;
|
---|
666 | break;
|
---|
667 | }
|
---|
668 | }
|
---|
669 | }
|
---|
670 | }
|
---|
671 |
|
---|
672 | // Set new edit layer
|
---|
673 | if (newEditLayer != editLayer) {
|
---|
674 | if (newEditLayer == null) {
|
---|
675 | getCurrentDataSet().setSelected();
|
---|
676 | }
|
---|
677 |
|
---|
678 | editLayer = newEditLayer;
|
---|
679 | fireEditLayerChanged(oldEditLayer, newEditLayer);
|
---|
680 | refreshTitle();
|
---|
681 | }
|
---|
682 |
|
---|
683 | }
|
---|
684 |
|
---|
685 | /**
|
---|
686 | * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
|
---|
687 | * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
|
---|
688 | *
|
---|
689 | * @param layer the layer to be activate; must be one of the layers in the list of layers
|
---|
690 | * @exception IllegalArgumentException thrown if layer is not in the lis of layers
|
---|
691 | */
|
---|
692 | public void setActiveLayer(Layer layer) {
|
---|
693 | setActiveLayer(layer, true);
|
---|
694 | }
|
---|
695 |
|
---|
696 | private void setActiveLayer(Layer layer, boolean setEditLayer) {
|
---|
697 | if (layer != null && !layers.contains(layer))
|
---|
698 | throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
|
---|
699 |
|
---|
700 | if (layer == activeLayer)
|
---|
701 | return;
|
---|
702 |
|
---|
703 | Layer old = activeLayer;
|
---|
704 | activeLayer = layer;
|
---|
705 | if (setEditLayer) {
|
---|
706 | setEditLayer(layers);
|
---|
707 | }
|
---|
708 | fireActiveLayerChanged(old, layer);
|
---|
709 |
|
---|
710 | /* This only makes the buttons look disabled. Disabling the actions as well requires
|
---|
711 | * the user to re-select the tool after i.e. moving a layer. While testing I found
|
---|
712 | * that I switch layers and actions at the same time and it was annoying to mind the
|
---|
713 | * order. This way it works as visual clue for new users */
|
---|
714 | for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
|
---|
715 | AbstractButton x=e.nextElement();
|
---|
716 | x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
|
---|
717 | }
|
---|
718 | AudioPlayer.reset();
|
---|
719 | repaint();
|
---|
720 | }
|
---|
721 |
|
---|
722 | /**
|
---|
723 | * Replies the currently active layer
|
---|
724 | *
|
---|
725 | * @return the currently active layer (may be null)
|
---|
726 | */
|
---|
727 | public Layer getActiveLayer() {
|
---|
728 | return activeLayer;
|
---|
729 | }
|
---|
730 |
|
---|
731 | /**
|
---|
732 | * Replies the current edit layer, if any
|
---|
733 | *
|
---|
734 | * @return the current edit layer. May be null.
|
---|
735 | */
|
---|
736 | public OsmDataLayer getEditLayer() {
|
---|
737 | return editLayer;
|
---|
738 | }
|
---|
739 |
|
---|
740 | /**
|
---|
741 | * replies true if the list of layers managed by this map view contain layer
|
---|
742 | *
|
---|
743 | * @param layer the layer
|
---|
744 | * @return true if the list of layers managed by this map view contain layer
|
---|
745 | */
|
---|
746 | public boolean hasLayer(Layer layer) {
|
---|
747 | return layers.contains(layer);
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * Tries to zoom to the download boundingbox[es] of the current edit layer
|
---|
752 | * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
|
---|
753 | * boxes it zooms to a large virtual bounding box containing all smaller ones.
|
---|
754 | *
|
---|
755 | * @return <code>true</code> if a zoom operation has been performed
|
---|
756 | */
|
---|
757 | public boolean zoomToDataSetBoundingBox(DataSet ds) {
|
---|
758 | // In case we already have an existing data layer ...
|
---|
759 | OsmDataLayer layer= getEditLayer();
|
---|
760 | if (layer == null)
|
---|
761 | return false;
|
---|
762 | Collection<DataSource> dataSources = ds.dataSources;
|
---|
763 | // ... with bounding box[es] of data loaded from OSM or a file...
|
---|
764 | BoundingXYVisitor bbox = new BoundingXYVisitor();
|
---|
765 | for (DataSource source : dataSources) {
|
---|
766 | bbox.visit(source.bounds);
|
---|
767 | }
|
---|
768 | if (bbox.hasExtend()) {
|
---|
769 | // ... we zoom to it's bounding box
|
---|
770 | recalculateCenterScale(bbox);
|
---|
771 | return true;
|
---|
772 | }
|
---|
773 | return false;
|
---|
774 | }
|
---|
775 |
|
---|
776 | public boolean addTemporaryLayer(MapViewPaintable mvp) {
|
---|
777 | if (temporaryLayers.contains(mvp)) return false;
|
---|
778 | return temporaryLayers.add(mvp);
|
---|
779 | }
|
---|
780 |
|
---|
781 | public boolean removeTemporaryLayer(MapViewPaintable mvp) {
|
---|
782 | return temporaryLayers.remove(mvp);
|
---|
783 | }
|
---|
784 |
|
---|
785 | public void propertyChange(PropertyChangeEvent evt) {
|
---|
786 | if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
|
---|
787 | repaint();
|
---|
788 | } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
|
---|
789 | || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
|
---|
790 | OsmDataLayer layer = (OsmDataLayer)evt.getSource();
|
---|
791 | if (layer == getEditLayer()) {
|
---|
792 | refreshTitle();
|
---|
793 | }
|
---|
794 | }
|
---|
795 | }
|
---|
796 |
|
---|
797 | protected void refreshTitle() {
|
---|
798 | boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
|
---|
799 | if (dirty) {
|
---|
800 | JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
|
---|
801 | } else {
|
---|
802 | JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
|
---|
803 | }
|
---|
804 | }
|
---|
805 |
|
---|
806 | public void preferenceChanged(PreferenceChangeEvent e) {
|
---|
807 | paintPreferencesChanged = true;
|
---|
808 | }
|
---|
809 |
|
---|
810 | }
|
---|