1 | // License: GPL. For details, see LICENSE file.
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2 | package ptl;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.BasicStroke;
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7 | import java.awt.Color;
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8 | import java.awt.Graphics2D;
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9 | import java.awt.event.ActionEvent;
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10 | import java.util.Collection;
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11 | import java.util.TreeSet;
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12 |
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13 | import javax.swing.AbstractAction;
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14 | import javax.swing.Action;
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15 | import javax.swing.Icon;
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16 |
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17 | import org.openstreetmap.josm.Main;
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18 | import org.openstreetmap.josm.actions.JosmAction;
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19 | import org.openstreetmap.josm.data.Bounds;
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20 | import org.openstreetmap.josm.data.osm.Node;
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21 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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22 | import org.openstreetmap.josm.data.osm.Relation;
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23 | import org.openstreetmap.josm.data.osm.RelationMember;
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24 | import org.openstreetmap.josm.data.osm.Way;
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25 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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26 | import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
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27 | import org.openstreetmap.josm.gui.MapView;
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28 | import org.openstreetmap.josm.gui.layer.Layer;
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29 | import org.openstreetmap.josm.gui.mappaint.Cascade;
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30 | import org.openstreetmap.josm.gui.mappaint.Environment;
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31 | import org.openstreetmap.josm.gui.mappaint.MultiCascade;
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32 | import org.openstreetmap.josm.gui.mappaint.StyleKeys;
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33 | import org.openstreetmap.josm.gui.mappaint.styleelement.TextLabel;
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34 | import org.openstreetmap.josm.gui.mappaint.styleelement.placement.OnLineStrategy;
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35 | import org.openstreetmap.josm.tools.ColorHelper;
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36 | import org.openstreetmap.josm.tools.ImageProvider;
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37 | import org.openstreetmap.josm.tools.MultiMap;
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38 | import org.openstreetmap.josm.tools.Pair;
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39 | import org.openstreetmap.josm.tools.Utils;
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40 |
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41 | public class PublicTransportLayer extends Layer {
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42 | private static final ImageProvider ICON = new ImageProvider("presets/misc", "route");
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43 | private boolean doDrawArrows = true;
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44 | private boolean doDrawRefLabels = true;
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45 |
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46 | public PublicTransportLayer() {
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47 | super(tr("Public transport routes"));
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48 | }
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49 |
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50 | @Override
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51 | public void paint(Graphics2D g, MapView mv, Bounds box) {
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52 | if (mv == null || mv.getLayerManager().getEditLayer() == null || mv.getLayerManager().getEditLayer().data.selectionEmpty()) {
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53 | return;
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54 | }
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55 | final StyledMapRenderer renderer = new StyledMapRenderer(g, mv, false);
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56 | renderer.getSettings(false);
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57 |
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58 | final Collection<Relation> selectedRelations = mv.getLayerManager().getEditLayer().data.getSelectedRelations();
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59 | final MultiMap<Pair<Node, Node>, String> segmentRefs = new MultiMap<>();
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60 | for (final Relation relation : selectedRelations) {
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61 | if (relation.isIncomplete() || relation.hasIncompleteMembers()
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62 | || !relation.hasTag("type", "route") || !relation.hasTag("public_transport:version", "2")) {
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63 | continue;
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64 | }
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65 |
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66 | final Way way = new Way();
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67 | Node previousNode = null;
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68 | for (final RelationMember member : relation.getMembers()) {
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69 | if (OsmPrimitiveType.NODE.equals(member.getType()) && "stop".equals(member.getRole())) {
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70 | way.addNode(member.getNode());
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71 | if (previousNode != null) {
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72 | segmentRefs.put(Pair.create(previousNode, member.getNode()), relation.get("ref"));
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73 | }
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74 | previousNode = member.getNode();
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75 | }
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76 | }
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77 |
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78 | Color color = Color.GREEN;
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79 | try {
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80 | color = ColorHelper.html2color(relation.get("colour"));
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81 | } catch (RuntimeException ignore) {
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82 | Main.trace(ignore);
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83 | }
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84 | renderer.drawWay(way, color, new BasicStroke(1), null, null, 0, doDrawArrows, false, false, false);
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85 | }
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86 |
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87 | if (doDrawRefLabels) {
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88 | drawRefLabels(renderer, segmentRefs);
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89 | }
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90 | }
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91 |
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92 | protected void drawRefLabels(StyledMapRenderer renderer, MultiMap<Pair<Node, Node>, String> segmentRefs) {
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93 | Environment env = new Environment();
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94 | env.mc = new MultiCascade();
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95 | Cascade c = env.mc.getOrCreateCascade("default");
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96 | c.put(StyleKeys.FONT_FAMILY, "SansSerif");
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97 | c.put(StyleKeys.FONT_SIZE, 16);
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98 | Color color = new Color(0x80FFFFFF, true);
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99 |
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100 | for (Pair<Node, Node> nodePair : segmentRefs.keySet()) {
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101 | final String label = Utils.join(tr(", "), new TreeSet<>(segmentRefs.get(nodePair)));
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102 | c.put(StyleKeys.TEXT, label);
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103 | final TextLabel text = TextLabel.create(env, color, false);
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104 | final Way way = new Way();
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105 | way.addNode(nodePair.a);
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106 | way.addNode(nodePair.b);
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107 | renderer.drawText(way, text, OnLineStrategy.INSTANCE);
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108 | }
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109 | }
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110 |
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111 | @Override
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112 | public Icon getIcon() {
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113 | return ICON.setMaxSize(ImageProvider.ImageSizes.LAYER).get();
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114 | }
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115 |
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116 | @Override
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117 | public String getToolTipText() {
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118 | return "";
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119 | }
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120 |
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121 | @Override
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122 | public void mergeFrom(Layer from) {
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123 | }
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124 |
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125 | @Override
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126 | public boolean isMergable(Layer other) {
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127 | return false;
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128 | }
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129 |
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130 | @Override
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131 | public void visitBoundingBox(BoundingXYVisitor v) {
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132 | }
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133 |
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134 | @Override
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135 | public Object getInfoComponent() {
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136 | return null;
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137 | }
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138 |
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139 | @Override
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140 | public Action[] getMenuEntries() {
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141 | return new Action[]{
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142 | new AbstractAction(tr("Toggle direction arrows")) {
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143 | @Override
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144 | public void actionPerformed(ActionEvent e) {
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145 | doDrawArrows = !doDrawArrows;
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146 | Main.map.repaint();
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147 | }
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148 | },
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149 | new AbstractAction(tr("Toggle reference labels")) {
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150 | @Override
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151 | public void actionPerformed(ActionEvent e) {
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152 | doDrawRefLabels = !doDrawRefLabels;
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153 | Main.map.repaint();
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154 | }
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155 | }
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156 | };
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157 | }
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158 |
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159 | public static class AddLayerAction extends JosmAction {
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160 | public AddLayerAction() {
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161 | super(tr("Visualize public transport routes"), ICON, tr("Displays stops of selected public transport routes as graph"),
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162 | null, false, null, false);
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163 | }
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164 |
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165 | @Override
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166 | public void actionPerformed(ActionEvent e) {
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167 | Main.getLayerManager().addLayer(new PublicTransportLayer());
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168 | }
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169 | }
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170 | }
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171 |
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