☰

WME Route Checker

Allows editors to check the route between two segments

当前为 2022-11-23 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name                WME Route Checker
  3. // @namespace           http://userscripts.org/users/419370
  4. // @description         Allows editors to check the route between two segments
  5. // @include             https://www.waze.com/*/editor*
  6. // @include             https://www.waze.com/editor*
  7. // @include             https://beta.waze.com/*
  8. // @exclude             https://www.waze.com/*user/*editor/*
  9. // @version             1.49
  10. // @grant               none
  11. // ==/UserScript==
  12.  
  13. // globals
  14. var wmerc_version = "1.49";
  15.  
  16. var AVOID_TOLLS = 1;
  17. var AVOID_FREEWAYS = 2;
  18. var AVOID_DIRT = 4;
  19. var ALLOW_UTURNS = 16;
  20. var VEHICLE_TAXI = 64;
  21. var VEHICLE_BIKE = 128;
  22.  
  23. var route_options = ALLOW_UTURNS; // default
  24.  
  25. var routeColors = ["#8309e1", "#52BAD9", "#888800" ];
  26.  
  27. var WMERC_lineLayer_route;
  28. var WMERC_lineLayer_markers;
  29.  
  30. function addRouteCheckerTab() {
  31.   if (W.selectionManager.getSelectedFeatures().length != 2) {
  32.     WMERC_lineLayer_route.destroyFeatures();
  33.     WMERC_lineLayer_route.setVisibility(false);
  34.     WMERC_lineLayer_markers.destroyFeatures();
  35.     WMERC_lineLayer_markers.setVisibility(false);
  36.     return;
  37.   }
  38.  
  39.   if (getId('routeOptions') !== null) {
  40.     return;
  41.   }
  42.  
  43.   // hook into edit panel on the left
  44.   var navTabs = getId('edit-panel').getElementsByTagName('wz-tabs')[0];
  45.  
  46.   var routeTab = document.createElement('wz-tab');
  47.   routeTab.id = 'route-checker';
  48.   routeTab.className = 'routes-tab';
  49.   routeTab.label = 'Routes';
  50.   navTabs.appendChild(routeTab);
  51.  
  52.   routeTab.addEventListener('tabActive', fetchRoute);
  53.  
  54.   // add new edit tab to left of the map
  55.   var routeOptions = document.createElement('div');
  56.   routeOptions.id = "routeOptions";
  57.   routeOptions.style.borderTop = "solid 2px #E9E9E9";
  58.   routeOptions.style.borderBottom = "solid 2px #E9E9E9";
  59.   routeTab.appendChild(routeOptions);
  60.  
  61.   var lang = I18n.translations[I18n.locale];
  62.  
  63.   if (location.hostname.match(/editor.*.waze.com/)) {
  64.     var coords1 = getCoords(W.selectionManager.getSelectedFeatures()[0]);
  65.     var coords2 = getCoords(W.selectionManager.getSelectedFeatures()[1]);
  66.     var url = getLivemap()
  67.             + `&from_lon=${coords1.lon}&from_lat=${coords1.lat}`
  68.             + `&to_lon=${coords2.lon}&to_lat=${coords2.lat}`;
  69.  
  70.     routeOptions.innerHTML = '<p><b><a href="'+url+'" title="Opens in new tab" target="LiveMap" style="color:#8309e1">Show routes in LiveMap</a> &raquo;</b></p>';
  71.   } else {
  72.     routeOptions.innerHTML = `<p><b><a href="#" id="goroutes" title="WME Route Checker v${wmerc_version}" style="color:#8309e1">`
  73.                     + 'Show routes between these 2 segments</a></b><br>'
  74.                     + '<b>'+lang.restrictions.editing.driving.dropdowns.vehicle_type+':</b>'
  75.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_private" value="0" checked> '
  76.                     + lang.restrictions.vehicle_types.PRIVATE + '</span>'
  77.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_taxi" value="1"> '
  78.                     + lang.restrictions.vehicle_types.TAXI + '</span>'
  79.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_bike" value="1"> '
  80.                     + lang.restrictions.vehicle_types.MOTORCYCLE + '</span>'
  81.                     + '<br>'
  82.                     + '<b>Avoid:</b>'
  83.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidTolls" /> ' + lang.edit.segment.fields.toll_road + '</span>'
  84.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidFreeways" /> ' + lang.segment.road_types[3] + '</span>'
  85.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidDirt" /> ' + lang.edit.segment.fields.unpaved + '</span>'
  86.                     + '<br>'
  87.                     + '<b>Allow:</b>'
  88.                     + ' <input type="checkbox" id="_allowUTurns" /> U-Turns</p>';
  89.  
  90.      getId('_avoidTolls').checked              = route_options & AVOID_TOLLS;
  91.      getId('_avoidFreeways').checked           = route_options & AVOID_FREEWAYS;
  92.      getId('_avoidDirt').checked               = route_options & AVOID_DIRT;
  93.      getId('_allowUTurns').checked             = route_options & ALLOW_UTURNS;
  94.      getId('_vehicleType_taxi').checked        = route_options & VEHICLE_TAXI;
  95.      getId('_vehicleType_bike').checked        = route_options & VEHICLE_BIKE;
  96.  
  97.      // automatically start getting route when user clicks on link
  98.      getId('goroutes').onclick = fetchRoute;
  99.   }
  100.  
  101.   // create empty div ready for instructions
  102.   var routeTest = document.createElement('div');
  103.   routeTest.id = "routeTest";
  104.   routeTab.appendChild(routeTest);
  105.  
  106.   return;
  107. }
  108.  
  109. function saveOptions() {
  110.   route_options = (getId('_avoidTolls').checked    ? AVOID_TOLLS    : 0)
  111.                 + (getId('_avoidFreeways').checked ? AVOID_FREEWAYS : 0)
  112.                 + (getId('_avoidDirt').checked     ? AVOID_DIRT     : 0)
  113.                 + (getId('_allowUTurns').checked   ? ALLOW_UTURNS   : 0)
  114.                 + (getId('_vehicleType_taxi').checked ? VEHICLE_TAXI : 0)
  115.                 + (getId('_vehicleType_bike').checked ? VEHICLE_BIKE : 0);
  116.  
  117.   console.log("WME Route Checker: saving options: " + route_options);
  118.   localStorage.WMERouteChecker = JSON.stringify(route_options);
  119. }
  120.  
  121. function getOptions() {
  122.   var list = 'AVOID_TOLL_ROADS' + (route_options & AVOID_TOLLS    ? ':t' : ':f') + ','
  123.            + 'AVOID_PRIMARIES'  + (route_options & AVOID_FREEWAYS ? ':t' : ':f') + ','
  124.            + 'AVOID_TRAILS'     + (route_options & AVOID_DIRT     ? ':t' : ':f') + ','
  125.            + 'ALLOW_UTURNS'     + (route_options & ALLOW_UTURNS   ? ':t' : ':f');
  126.   return list;
  127. }
  128.  
  129. function getCoords(segment) {
  130.   var numpoints = segment.geometry.components.length;
  131.   var middle = Math.floor(numpoints / 2);
  132.  
  133.   var seglat, seglon;
  134.   if (numpoints % 2 == 1 || numpoints < 2) { // odd number, middle point
  135.     seglat = segment.geometry.components[middle].y;
  136.     seglon = segment.geometry.components[middle].x;
  137.   }
  138.   else { // even number - take average of middle two points
  139.     seglat = (segment.geometry.components[middle].y
  140.            +  segment.geometry.components[middle-1].y) / 2.0;
  141.     seglon = (segment.geometry.components[middle].x
  142.            +  segment.geometry.components[middle-1].x) / 2.0;
  143.   }
  144.   return OpenLayers.Layer.SphericalMercator.inverseMercator(seglon,seglat);
  145. }
  146.  
  147. function fetchRoute(reverse) {
  148.   saveOptions();
  149.  
  150.   var coords1, coords2;
  151.   reverse = (reverse !== false);
  152.   var selected = W.selectionManager.getSelectedFeatures();
  153.   if (reverse) {
  154.     coords1 = getCoords(selected[0]);
  155.     coords2 = getCoords(selected[1]);
  156.   } else {
  157.     coords1 = getCoords(selected[1]);
  158.     coords2 = getCoords(selected[0]);
  159.   }
  160.  
  161.   // get the route, fix and parse the json
  162.   getId('routeTest').innerHTML = "<p><b>Fetching route from LiveMap...</b></p>";
  163.   var url = getRoutingManager();
  164.   var data = {
  165.     from: `x:${coords1.lon} y:${coords1.lat} bd:true`,
  166.     to: `x:${coords2.lon} y:${coords2.lat} bd:true`,
  167.     returnJSON: true,
  168.     returnGeometries: true,
  169.     returnInstructions: true,
  170.     type: 'HISTORIC_TIME',
  171.     clientVersion: '4.0.0',
  172.     timeout: 60000,
  173.     nPaths: 3,
  174.     options: getOptions()};
  175.  
  176.   if (route_options & VEHICLE_TAXI) {
  177.     data.vehicleType = 'TAXI';
  178.   }
  179.   else if (route_options & VEHICLE_BIKE) {
  180.     data.vehicleType = 'MOTORCYCLE';
  181.   }
  182.   if (window.location.hostname == "beta.waze.com") {
  183.     data.id = "beta";
  184.   }
  185.  
  186.   $.ajax({
  187.     dataType: "json",
  188.     url: url,
  189.     data: data,
  190.     dataFilter: function(data, dataType) {
  191.       return data.replace(/NaN/g, '0');
  192.     },
  193.     success: function(json) {
  194.       showNavigation(json, reverse);
  195.     }
  196.   });
  197.   return false;
  198. }
  199.  
  200. function getLivemap() {
  201.   var center_lonlat=new OpenLayers.LonLat(W.map.getCenter().lon,W.map.getCenter().lat);
  202.   center_lonlat.transform(new OpenLayers.Projection ("EPSG:900913"),new OpenLayers.Projection("EPSG:4326"));
  203.   var coords = `?lon=${center_lonlat.lon}&lat=${center_lonlat.lat}`;
  204.  
  205.   if (route_options & VEHICLE_TAXI) {
  206.     coords += "&rp_vehicleType=TAXI";
  207.   }
  208.   else if (route_options & VEHICLE_BIKE) {
  209.     coords += "&rp_vehicleType=MOTORCYCLE";
  210.   }
  211.   if (window.location.hostname == "beta.waze.com") {
  212.     coords += "&rp_id=beta";
  213.   }
  214.   coords += "&rp_options=" + getOptions();
  215.  
  216.   return `https://www.waze.com/livemap${coords}&overlay=false`;
  217. }
  218.  
  219. function getRoutingManager() {
  220.   if (W.model.countries.top.env == "NA") { // Canada, Puerto Rico & US
  221.     return '/RoutingManager/routingRequest';
  222.   } else if (W.model.countries.top.env == "IL") { // Israel
  223.     return '/il-RoutingManager/routingRequest';
  224.   } else { // ROW
  225.     return '/row-RoutingManager/routingRequest';
  226.   }
  227. }
  228.  
  229. function plotRoute(coords, index) {
  230.   var points = [];
  231.   for (var i in coords) {
  232.     if (i > 0) {
  233.       var point = OpenLayers.Layer.SphericalMercator.forwardMercator(coords[i].x, coords[i].y);
  234.       points.push(new OpenLayers.Geometry.Point(point.lon,point.lat));
  235.     }
  236.   }
  237.   var newline = new OpenLayers.Geometry.LineString(points);
  238.  
  239.   var style = {
  240.     strokeColor: routeColors[index],
  241.     strokeOpacity: 0.7,
  242.     strokeWidth: 8 - index * 2
  243.   };
  244.   var lineFeature = new OpenLayers.Feature.Vector(newline, {type: "routeArrow"}, style);
  245.  
  246.   // Display new segment
  247.   WMERC_lineLayer_route.addFeatures([lineFeature]);
  248. }
  249.  
  250. function showNavigation(nav_json, reverse) {
  251.   WMERC_lineLayer_route.destroyFeatures();
  252.   WMERC_lineLayer_route.setVisibility(true);
  253.   WMERC_lineLayer_markers.destroyFeatures();
  254.   WMERC_lineLayer_markers.setVisibility(true);
  255.  
  256.   // write instructions
  257.   var instructions = getId('routeTest');
  258.   instructions.innerHTML = '';
  259.   instructions.style.display = 'block';
  260.   instructions.style.height = document.getElementById('map').style.height;
  261.  
  262.   var nav_coords;
  263.   if (typeof nav_json.alternatives !== "undefined") {
  264.     for (var r = 0; r < nav_json.alternatives.length && r < 3; r++) {
  265.       showInstructions(instructions, nav_json.alternatives[r], r);
  266.       plotRoute(nav_json.alternatives[r].coords, r);
  267.   }
  268.     nav_coords = nav_json.alternatives[0].coords;
  269.   } else {
  270.     showInstructions(instructions, nav_json, 0);
  271.     plotRoute(nav_json.coords, 0);
  272.     nav_coords = nav_json.coords;
  273.   }
  274.  
  275.   // zoom to show the primary route
  276.   //var box = geom.getBounds();
  277.   //box = box.transform(W.map.olMap.displayProjection, W.map.getProjectionObject());
  278.   //W.map.zoomToExtent(box);
  279.  
  280.   var lon1 = nav_coords[0].x;
  281.   var lat1 = nav_coords[0].y;
  282.  
  283.   var end = nav_coords.length - 1;
  284.   var lon2 = nav_coords[end].x;
  285.   var lat2 = nav_coords[end].y;
  286.  
  287.   var rerouteArgs = `{lon:${lon1},lat:${lat1}},{lon:${lon2},lat:${lat2}}`;
  288.  
  289.   // footer for extra links
  290.   var footer = document.createElement('div');
  291.   footer.className = 'routes_footer';
  292.  
  293.   // create link to reverse the route
  294.   var reverseLink = document.createElement('a');
  295.   reverseLink.innerHTML = '&#8646; Reverse Route';
  296.   reverseLink.href = '#';
  297.   reverseLink.setAttribute('onClick', 'fetchRoute('+!reverse+');');
  298.   reverseLink.addEventListener('click', function() { fetchRoute(!reverse); }, false);
  299.   footer.appendChild(reverseLink);
  300.  
  301.   footer.appendChild(document.createTextNode(' | '));
  302.  
  303.   var url = getLivemap()
  304.           + `&from=ll.${lat1},${lon1}`
  305.           + `&to=ll.${lat2},${lon2}`;
  306.  
  307.   // create link to view the navigation instructions
  308.   var livemapLink = document.createElement('a');
  309.   livemapLink.innerHTML = 'View in LiveMap &raquo;';
  310.   livemapLink.href = url;
  311.   livemapLink.target="LiveMap";
  312.   footer.appendChild(livemapLink);
  313.  
  314.   footer.appendChild(document.createElement('br'));
  315.  
  316.   // add link to script homepage and version
  317.   var scriptLink = document.createElement('a');
  318.   scriptLink.innerHTML = `WME Route Checker v${wmerc_version}`;
  319.   scriptLink.href = 'https://www.waze.com/forum/viewtopic.php?t=64777';
  320.   scriptLink.style.fontStyle = 'italic';
  321.   scriptLink.target="_blank";
  322.   footer.appendChild(scriptLink);
  323.  
  324.   instructions.appendChild(footer);
  325.  
  326.   return false;
  327. }
  328.  
  329. function showInstructions(instructions, nav_json, r) {
  330.   // for each route returned by Waze...
  331.   var route = nav_json.response;
  332.   var streetNames = route.streetNames;
  333.  
  334.   if (r > 0) { // divider
  335.     instructions.appendChild(document.createElement('p'));
  336.   }
  337.  
  338.   // name of the route, with coloured icon
  339.   var route_name = document.createElement('p');
  340.   route_name.className = 'route';
  341.   route_name.style.borderColor = routeColors[r];
  342.   route_name.innerHTML = `<b style="color:${routeColors[r]}">Via ${route.routeName}</b>`;
  343.   if (route.dueToOverride != null) {
  344.     route_name.innerHTML += `<br><i>${route.dueToOverride}</i>`;
  345.   }
  346.   else if (route.isRestricted) {
  347.     route_name.innerHTML += `<br><i style="color: darkorange">Restricted Areas: ${route.areas}</i>`;
  348.   }
  349.   else {
  350.     route_name.innerHTML += `<br><i>${route.routeType} Route</i>`;
  351.   }
  352.   instructions.appendChild(route_name);
  353.  
  354.   if (route.tollMeters > 0) {
  355.     route_name.innerHTML = '<span style="float: right; background: #88f; color: white; font-size: small">&nbsp;TOLL&nbsp;</span>' + route_name.innerHTML;
  356.   }
  357.  
  358.   var optail = '';
  359.   var prevStreet = '';
  360.   var currentItem = null;
  361.   var totalDist = 0;
  362.   var totalTime = 0;
  363.   var isToll = false;
  364.   var isRestricted = 0;
  365.   //var detourSaving = 0;
  366.  
  367.   // street name at starting point
  368.   var streetName = streetNames[route.results[0].street];
  369.   var departFrom = 'depart';
  370.   if (!streetName || streetName === null) {
  371.     streetName = '';
  372.   }
  373.   else {
  374.     departFrom = `depart from ${streetName}`;
  375.     streetName = ` from <span style="color: blue">${streetName}<span>`;
  376.   }
  377.  
  378.   // turn icon at starting coordinates
  379.   if (r === 0) {
  380.     addTurnImageToMap(nav_json.coords[0], getTurnImage('BEGIN'), departFrom);
  381.   }
  382.  
  383.   // add first instruction (depart)
  384.   currentItem = document.createElement('a');
  385.   currentItem.className = 'step';
  386.   currentItem.innerHTML = getTurnImageSrc(getTurnImage('FORWARD')) + 'depart' + streetName;
  387.   instructions.appendChild(currentItem);
  388.  
  389.   var segments = [];
  390.   // iterate over all the steps in the list
  391.   for (var i = 0; i < route.results.length; i++) {
  392.     totalDist += route.results[i].length;
  393.     totalTime += route.results[i].crossTime;
  394.     //detourSaving += route.results[i].detourSavings;
  395.  
  396.     segments.push(route.results[i].path.segmentId);
  397.  
  398.     if (route.results[i].isToll) {
  399.       if (!isToll) {
  400.         addMarkerToMap(route.results[i].path, "blue", "Toll");
  401.         isToll = true;
  402.       }
  403.     }
  404.     else {
  405.       if (isToll) {
  406.         addMarkerToMap(route.results[i].path, "blue", "End");
  407.         isToll = false;
  408.       }
  409.     }
  410.  
  411.     if (route.results[i].avoidStatus == "AVOID") {
  412.       if (isRestricted != route.results[i].areas.length) {
  413.         addMarkerToMap(route.results[i].path, 'darkorange', `${route.results[i].areas}`);
  414.         isRestricted = route.results[i].areas.length;
  415.       }
  416.     }
  417.     else {
  418.       if (isRestricted > 0) {
  419.         addMarkerToMap(route.results[i].path, 'darkorange', 'End')
  420.         isRestricted = 0;
  421.       }
  422.     }
  423.  
  424.     if (!route.results[i].instruction) {
  425.       continue;
  426. 	}
  427.     var opcode = route.results[i].instruction.opcode;
  428.     if (!opcode) {
  429.       continue;
  430. 	}
  431.  
  432.     // ignore these
  433.     if (opcode.match(/ROUNDABOUT_EXIT|NONE/) && route.results[i].instruction.laneGuidance == null) {
  434.       continue;
  435.     }
  436.  
  437.     if (opcode == 'NONE' && !route.results[i].instruction.laneGuidance.enable_display && !route.results[i].instruction.laneGuidance.enable_voice) {
  438.       continue; // straight-on is set to 'Waze selected'
  439.     }
  440.  
  441.     // the image for the turn
  442.     var dirImage = getTurnImage(opcode);
  443.     var dirImageSrc = '';
  444.     if (dirImage !== '') {
  445.       dirImageSrc = '';
  446.     }
  447.  
  448.     // the name that TTS will read out (in blue)
  449.     streetName = getNextStreetName(route.results, i, route.streetNames);
  450.  
  451.     // roundabouts with nth exit instructions
  452.     if (opcode == 'ROUNDABOUT_ENTER') {
  453.       opcode += route.results[i].instruction.arg + 'th exit';
  454.       opcode = opcode.replace(/1th/, '1st');
  455.       opcode = opcode.replace(/2th/, '2nd');
  456.       opcode = opcode.replace(/3th/, '3rd');
  457.     }
  458.  
  459.     // convert opcode to pretty text
  460.     opcode = opcode.replace(/APPROACHING_DESTINATION/, 'arrive');
  461.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?LEFT/, 'at the roundabout, turn left');
  462.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?RIGHT/, 'at the roundabout, turn right');
  463.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?STRAIGHT/, 'at the roundabout, continue straight');
  464.     opcode = opcode.replace(/ROUNDABOUT_ENTER/, 'at the roundabout, take ');
  465.     opcode = opcode.toLowerCase().replace(/_/, ' ');
  466.     opcode = opcode.replace(/uturn/, 'make a U-turn');
  467.     opcode = opcode.replace(/roundabout u/, 'at the roundabout, make a U-turn');
  468.  
  469.     // convert keep to exit if needed
  470.     var keepSide = W.model.isLeftHand ? /keep left/ : /keep right/;
  471.     if (opcode.match(keepSide) && i+1 < route.results.length &&
  472.         isKeepForExit(route.results[i].roadType, route.results[i+1].roadType)) {
  473.       opcode = opcode.replace(/keep (.*)/, 'exit $1');
  474.     }
  475.  
  476.     var laneInfo = "";
  477.     var laneIcon = "";
  478.     if (route.results[i].clientLaneSet != null) {
  479.       var lanes = route.results[i].clientLaneSet.client_lane;
  480.       var guide = route.results[i].instruction.laneGuidance;
  481.       laneInfo += " |";
  482.       for (var l = 0; l < lanes.length; l++) {
  483.         if (l > 0) {
  484.           laneInfo += "\u2506"; // dashed line
  485.         }
  486.         var laneArrow = "\u2001"; // space \u00A0
  487.         for (var a = 0; a < lanes[l].angle_object.length; a++) {
  488.           var lane = lanes[l].angle_object[a];
  489.           if (lane.selected) {
  490.             laneArrow = getLaneArrow(lane.angle);
  491.           }
  492.         }
  493.         laneInfo += ` ${laneArrow} `;
  494.         laneIcon += laneArrow != '\u2001' ? laneArrow : '.';
  495.       }
  496.       laneInfo += "| ";
  497.       if (guide != null && opcode == 'none') {
  498.         if (lanes.enable_voice_for_instruction) {
  499.           laneInfo += "\uD83D\uDD08\uD83D\uDD08"; // View and hear
  500.         }
  501.         if (guide.enable_voice) {
  502.           laneInfo += "\uD83D\uDD08"; // View and hear
  503.         }
  504.         else if (guide.enable_display) {
  505.           laneInfo += "\uD83D\uDC41"; // View only
  506.         }
  507.       }
  508.     }
  509.  
  510.     // show turn symbol on the map (for first route only)
  511.     if (r === 0) {
  512. 	  var title;
  513.       if (opcode == 'arrive') {
  514.         var end = nav_json.coords.length - 1;
  515.         title = 'arrive at ' + (streetName !== '' ? streetName : 'destination');
  516.         addTurnImageToMap(nav_json.coords[end], dirImage, title);
  517.       }
  518.       else if (opcode != 'none') {
  519.         title = opcode.replace(/at the roundabout, /, '');
  520.         if (streetName !== '') title += ` onto ${streetName}`;
  521.         if (laneIcon !== '') title = ` \u2502${laneIcon}\u2502 \u00A0 ${title}`;
  522.         addTurnImageToMap(route.results[i+1].path, dirImage, title);
  523.       }
  524.       else if (laneInfo != '') {
  525.         addTurnImageToMap(route.results[i+1].path, null, `\u2502${laneIcon}\u2502`);
  526.       }
  527.     }
  528.  
  529.     // pretty street name
  530.     if (streetName !== '') {
  531.       if (opcode == 'arrive') {
  532.         streetName = ` at <span style="color: blue">${streetName}</span>`;
  533.       }
  534.       else if (opcode != 'none') {
  535.         streetName = ` onto <span style="color: blue">${streetName}</span>`;
  536.       }
  537.     }
  538.  
  539.     if (laneInfo != '') {
  540.       laneInfo = "<div align='center'>" + laneInfo + "</div>";
  541.     }
  542.  
  543.     // display new instruction
  544.     currentItem = document.createElement('a');
  545.     currentItem.className = 'step';
  546.     if (opcode != 'none') {
  547.       currentItem.innerHTML = getTurnImageSrc(dirImage) + opcode + streetName + laneInfo;
  548.     }
  549.     else {
  550.       currentItem.innerHTML = laneInfo;
  551.     }
  552.     if (opcode.match(/0th exit/)) {
  553.       currentItem.style.color = 'red';
  554.     }
  555.     instructions.appendChild(currentItem);
  556.   }
  557.  
  558.   // append distance and time to last instruction
  559.   currentItem.title = `${(totalDist/1609).toFixed(3)} miles`;
  560.   currentItem.innerHTML += ` - ${totalDist/1000} km`;
  561.   currentItem.innerHTML += ` - ${timeFromSecs(totalTime)}`;
  562.   //if (detourSaving > 0) {
  563.   //  currentItem.innerHTML += '<br>&nbsp; <i>detour saved ' + timeFromSecs(detourSaving) + '</i>';
  564.   //}
  565.  
  566.   var selectAll = document.createElement('a');
  567.   selectAll.className = 'step select';
  568.   selectAll.innerHTML = 'Select route segments &#8605;';
  569.   selectAll.href = "#";
  570.   selectAll.addEventListener('click', function() { selectSegmentIDs(segments); }, false);
  571.   instructions.appendChild(selectAll);
  572. }
  573.  
  574. function getLaneArrow(angle)
  575. {
  576.   switch (angle) {
  577.     case -180: return "\u21B6";
  578.     case -135: return "\u2199";
  579.     case -90: return "\u21B0";
  580.     case -45: return "\u2196";
  581.     case -0: return "\u2191";
  582.     case 45: return "\u2197";
  583.     case 90: return "\u21B1";
  584.     case 135: return "\u2198";
  585.     case 180: return "\u21B7";
  586.     default: return angle;
  587.   }
  588. }
  589.  
  590. function selectSegmentIDs(segments) {
  591.   var objects = [];
  592.   for (var i = 0; i < segments.length; i++) {
  593.     var segment = W.model.segments.getObjectById(segments[i]);
  594.     if (segment != null) {
  595.       objects.push(segment);
  596.     }
  597.   }
  598.   W.selectionManager.setSelectedModels(objects);
  599.   return false;
  600. }
  601.  
  602. function getNextStreetName(results, index, streetNames) {
  603.   var streetName = '';
  604.   var unnamedCount = 0;
  605.   var unnamedLength = 0;
  606.  
  607.   // destination
  608.   if (index == results.length-1) {
  609.     streetName = streetNames[results[index].street];
  610.     if (!streetName || streetName === null) {
  611.       streetName = '';
  612. 	}
  613.   }
  614.  
  615.   // look ahead to next street name
  616.   while (++index < results.length && streetName === '') {
  617.     streetName = streetNames[results[index].street];
  618.     if (!streetName || streetName === null) {
  619.       streetName = '';
  620. 	}
  621.  
  622.     // "Navigation instructions for unnamed segments" <- in the Wiki
  623.     if (streetName === '' && !isFreewayOrRamp(results[index].roadType)
  624. 		&& !isRoundabout(results[index].path.segmentId)) {
  625.       unnamedLength += length;
  626.       unnamedCount++;
  627.       if (unnamedCount >= 4 || unnamedLength >= 400) {
  628.         //console.log("- unnamed segments too long; break");
  629.         break;
  630.       }
  631.     }
  632.   }
  633.  
  634.   return streetName;
  635. }
  636.  
  637. function getTurnImage(opcode) {
  638.   var dirImage = '';
  639.   if (W.model.getTopCountry().leftHandTraffic) {
  640.     opcode = opcode.replace(/(ROUNDABOUT_)(EXIT_)?/, "$1UK_");
  641.   }
  642.   switch (opcode) {
  643.     case "BEGIN":       return 'https://www.waze.com/livemap3/assets/pin-9ad4ceb21a2449b4d0bcacdcf464f015.png';
  644.     case "CONTINUE":
  645.     case "NONE":        dirImage = "big_direction_forwardc0958c4d4c5c79bcb656d34f3afb3ea2.png"; break;
  646.     case "TURN_LEFT":   dirImage = "big_direction_left5b94fa33f945d46ab1bdd1131ac0457e.png"; break;
  647.     case "TURN_RIGHT":  dirImage = "big_direction_right2d403871f04763260a40c537e231897e.png"; break;
  648.     case "KEEP_LEFT":
  649.     case "EXIT_LEFT":   dirImage = "big_direction_exit_left1c1498a6dec9582bae81d34ec9e6dc3b.png"; break;
  650.     case "KEEP_RIGHT":
  651.     case "EXIT_RIGHT":  dirImage = "big_direction_exit_rightba4fee1380f556a8570252c6745f1442.png"; break;
  652.     case "UTURN":       dirImage = "big_direction_u63cf785b68a57e8663020098cd07ed76.png"; break;
  653.     case "APPROACHING_DESTINATION":   dirImage = "big_direction_end25226c71aed0efd3a2db41978066febc.png"; break;
  654.     case "ROUNDABOUT_LEFT":
  655.     case "ROUNDABOUT_EXIT_LEFT":      dirImage = "big_directions_roundabout_l54dc48b91e36549b26bae30135462780.png"; break;
  656.     case "ROUNDABOUT_UK_LEFT":        dirImage = "big_directions_roundabout_UK_ldc86a0b99cfcd4ed03b0192d5b350c70.png"; break;
  657.     case "ROUNDABOUT_RIGHT":
  658.     case "ROUNDABOUT_EXIT_RIGHT":     dirImage = "big_directions_roundabout_rc114740b6cafc42177a53aa6c803c14d.png"; break;
  659.     case "ROUNDABOUT_UK_RIGHT":       dirImage = "big_directions_roundabout_r_UKc34794c4d01ec8a9fa012150d2f1e02a.png"; break;
  660.     case "ROUNDABOUT_STRAIGHT":
  661.     case "ROUNDABOUT_EXIT_STRAIGHT":  dirImage = "big_directions_roundabout_sffadf4fd7b277b8ef2f21688e79b9351.png"; break;
  662.     case "ROUNDABOUT_UK_STRAIGHT":    dirImage = "big_directions_roundabout_UK_s01ea5c47f4e08b20532505d84b3271e0.png"; break;
  663.     case "ROUNDABOUT_ENTER":
  664.     case "ROUNDABOUT_EXIT":           dirImage = "big_directions_roundabout9f9bf37022d431be50fecc457cd6e3df.png"; break;
  665.     case "ROUNDABOUT_UK_ENTER":
  666.     case "ROUNDABOUT_UK_EXIT":        dirImage = "big_directions_roundabout_UK7dce607d7359326a799fd9d3ad8542aa.png"; break;
  667.     case "ROUNDABOUT_U":              dirImage = "big_directions_roundabout_u3634283a7d740f30eb18c203f6a357be.png"; break;
  668.     case "ROUNDABOUT_UK_U":           dirImage = "big_directions_roundabout_u_UKba204c8a12885976f9bc5b07165b8644.png"; break;
  669.     default: return '';
  670.   }
  671.   return 'https://editor-assets.waze.com/production/img/' + dirImage;
  672. }
  673.  
  674. function getTurnImageSrc(dirImage) {
  675.   if (dirImage !== '') {
  676.     return '<img src="' + dirImage + '" style="float: left; top: 0; padding-right: 4px" width="16" height="16" />';
  677.   }
  678.   return '';
  679. }
  680.  
  681. function isKeepForExit(fromType, toType) {
  682.   // primary to non-primary
  683.   if (isPrimaryRoad(fromType) && !isPrimaryRoad(toType)) {
  684.     return true;
  685.   }
  686.   // ramp to non-primary or non-ramp
  687.   if (isRamp(fromType) && !isPrimaryRoad(toType) && !isRamp(toType)) {
  688.     return true;
  689.   }
  690.   return false;
  691. }
  692.  
  693. function isFreewayOrRamp(t) {
  694.   return t === 3 /*FREEWAY*/ || t === 4 /*RAMP*/;
  695. }
  696.  
  697. function isPrimaryRoad(t) {
  698.   return t === 3 /*FREEWAY*/ || t === 6 /*MAJOR_HIGHWAY*/ || t === 7 /*MINOR_HIGHWAY*/;
  699. }
  700.  
  701. function isRamp(t) {
  702.   return t === 4 /*RAMP*/;
  703. }
  704.  
  705. function isRoundabout(id) {
  706.   var segment = W.model.segments.getObjectById(id);
  707.   if (segment != null) {
  708.     return segment.attributes.junctionId !== null;
  709.   }
  710.   return false;
  711. }
  712.  
  713. function timeFromSecs(seconds)
  714. {
  715.   var hh = '00'+Math.floor(((seconds/86400)%1)*24);
  716.   var mm = '00'+Math.floor(((seconds/3600)%1)*60);
  717.   var ss = '00'+Math.round(((seconds/60)%1)*60);
  718.   return hh.slice(-2) + ':' + mm.slice(-2) + ':' + ss.slice(-2);
  719. }
  720.  
  721. function addTurnImageToMap(location, image, title) {
  722.   if (image === '') return;
  723.  
  724.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  725.   var point = new OpenLayers.Geometry.Point(coords.lon,coords.lat);
  726.  
  727.   var style = {
  728.     externalGraphic: image,
  729.     graphicWidth: 30,
  730.     graphicHeight: 32,
  731.     label: title,
  732.     labelXOffset: 20,
  733.     labelAlign: 'left',
  734.     labelOutlineColor: 'white',
  735.     labelOutlineWidth: 3,
  736.     fontWeight: 'bold',
  737.     fontColor: routeColors[0]
  738.   };
  739.  
  740.   if (title.match(/0th exit/)) {
  741.     style.fontColor = 'red';
  742.   }
  743.  
  744.   var imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  745.   WMERC_lineLayer_markers.addFeatures([imageFeature]);
  746.  
  747.   if (image === null) {
  748.     style = {
  749.       label: '●',
  750.       labelAlign: 'center',
  751.       labelOutlineColor: 'white',
  752.       labelOutlineWidth: 3,
  753.       fontWeight: 'bold',
  754.       fontColor: routeColors[0],
  755.       fontSize: '20pt'
  756.     };
  757.  
  758.     imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  759.     WMERC_lineLayer_route.addFeatures([imageFeature]);
  760.   }
  761. }
  762.  
  763. function addMarkerToMap(location, color, title) {
  764.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  765.   var point = new OpenLayers.Geometry.Point(coords.lon,coords.lat);
  766.  
  767.   var style = {
  768.     label: title,
  769.     labelAlign: 'right',
  770.     labelOutlineColor: color,
  771.     labelOutlineWidth: 3,
  772.     labelXOffset: -16,
  773.     fontWeight: 'bold',
  774.     fontColor: 'white',
  775.     strokeColor: color,
  776.     strokeWidth: 2,
  777.     fillColor: 'white'
  778.   };
  779.  
  780.   if (color == 'blue') {
  781.     style.labelAlign = 'center';
  782.     style.labelXOffset = 0;
  783.     style.labelYOffset = -20;
  784.   }
  785.  
  786.   var imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  787.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  788.  
  789.   style = {
  790.     labelAlign: 'center',
  791.     labelOutlineColor: color,
  792.     labelOutlineWidth: 3,
  793.     fontWeight: 'bold',
  794.     fontColor: 'white'
  795.   };
  796.  
  797.   if (title != 'End') {
  798.     style.label = '●';
  799.     style.fontSize = '20pt';
  800.   }
  801.   else {
  802.     style.label = '⊘';
  803.   }
  804.  
  805.   imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  806.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  807. }
  808.  
  809. /* helper function */
  810. function getElementsByClassName(classname, node) {
  811.   if(!node) node = document.getElementsByTagName("body")[0];
  812.   var a = [];
  813.   var re = new RegExp('\\b' + classname + '\\b');
  814.   var els = node.getElementsByTagName("*");
  815.   for (var i=0,j=els.length; i<j; i++) {
  816.     if (re.test(els[i].className)) {
  817. 	  a.push(els[i]);
  818. 	}
  819.   }
  820.   return a;
  821. }
  822.  
  823. function getId(node) {
  824.   return document.getElementById(node);
  825. }
  826.  
  827. function initialiseRouteChecker() {
  828.   if (typeof W == 'undefined') {
  829.     return; // not WME
  830.   }
  831.  
  832.   console.log("WME Route Checker: initialising v" + wmerc_version);
  833.  
  834.   if (localStorage.WMERouteChecker) {
  835.     route_options = JSON.parse(localStorage.WMERouteChecker);
  836.     console.log("WME Route Checker: loaded options: " + route_options);
  837.   }
  838.  
  839.   /* dirty hack to inject stylesheet in to the DOM */
  840.   var style = document.createElement('style');
  841.   style.innerHTML = "#routeTest {padding: 0 4px 0 0; overflow-y: auto;}\n"
  842.                   + "#routeTest p.route {margin: 0; padding: 4px 8px; border-bottom: silver solid 3px; background: #eee}\n"
  843.                   + "#routeTest a.step {display: block; margin: 0; padding: 3px 8px; text-decoration: none; color:black;border-bottom: silver solid 1px;}\n"
  844.                   + "#routeTest a.step:hover {background: #ffd;}\n"
  845.                   + "#routeTest a.step:active {background: #dfd;}\n"
  846.                   + "#routeTest a.select {color: #00f; text-align: right}\n"
  847.                   + "#routeTest div.routes_footer {text-align: center; margin-bottom: 25px;}\n";
  848.   (document.body || document.head || document.documentElement).appendChild(style);
  849.  
  850.   // add a new layer for routes
  851.   WMERC_lineLayer_route = new OpenLayers.Layer.Vector("Route Checker Script",
  852.     { displayInLayerSwitcher: false,
  853.       uniqueName: 'route_checker' }
  854.   );
  855.   W.map.addLayer(WMERC_lineLayer_route);
  856.  
  857.   // add a new layer for markers
  858.   WMERC_lineLayer_markers = new OpenLayers.Layer.Vector("Route Checker Script Markers",
  859.     { displayInLayerSwitcher: false,
  860.       uniqueName: 'route_checker2' }
  861.   );
  862.   W.map.addLayer(WMERC_lineLayer_markers);
  863.  
  864.   var observer = new MutationObserver(function(mutations) {
  865.     mutations.forEach(function(mutation) {
  866.       if (mutation.addedNodes.length > 0 && mutation.target.className == 'contents') {
  867.         addRouteCheckerTab();
  868.       }
  869.     });
  870.   });
  871.   observer.observe(document.getElementById('edit-panel'), {childList: true, subtree: true});
  872. }
  873.  
  874. // bootstrap!
  875. (function()
  876. {
  877.   setTimeout(initialiseRouteChecker, 1003);
  878. })();
  879.  
  880. /* end ======================================================================= */