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WME Route Checker

Allows editors to check the route between two segments

当前为 2021-10-05 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             1.45
  10. // @grant               none
  11. // ==/UserScript==
  12.  
  13. // globals
  14. var wmerc_version = "1.45";
  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 showRouteOptions() {
  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 userTabs = getId('edit-panel');
  45.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  46.   var navTabs = getElementsByClassName('nav-tabs', segmentBox)[0];
  47.  
  48.   var routeTab = document.createElement('li');
  49.   routeTab.innerHTML = '<a href="#route-checker" data-toggle="tab" id="route-tab-link">Routes</a>';
  50.   navTabs.appendChild(routeTab);
  51.   getId('route-tab-link').onclick = fetchRoute;
  52.  
  53.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  54.  
  55.   var routeContent = document.createElement('div');
  56.   routeContent.id = 'route-checker';
  57.   routeContent.className = 'tab-pane';
  58.   tabContent.appendChild(routeContent);
  59.  
  60.   // add new edit tab to left of the map
  61.   var routeOptions = document.createElement('div');
  62.   routeOptions.id = "routeOptions";
  63.   routeOptions.style.borderTop = "solid 2px #E9E9E9";
  64.   routeOptions.style.borderBottom = "solid 2px #E9E9E9";
  65.   routeContent.appendChild(routeOptions);
  66.  
  67.   var lang = I18n.translations[I18n.locale];
  68.  
  69.   if (location.hostname.match(/editor.*.waze.com/)) {
  70.     var coords1 = getCoords(W.selectionManager.getSelectedFeatures()[0]);
  71.     var coords2 = getCoords(W.selectionManager.getSelectedFeatures()[1]);
  72.     var url = getLivemap()
  73.             + `&from_lon=${coords1.lon}&from_lat=${coords1.lat}`
  74.             + `&to_lon=${coords2.lon}&to_lat=${coords2.lat}`;
  75.  
  76.     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>';
  77.   } else {
  78.     routeOptions.innerHTML = `<p><b><a href="#" id="goroutes" title="WME Route Checker v${wmerc_version}" style="color:#8309e1">`
  79.                     + 'Show routes between these 2 segments</a> &raquo;</b><br>'
  80.                     + '<b>'+lang.restrictions.editing.driving.dropdowns.vehicle_type+':</b>'
  81.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_private" value="0" checked> '
  82.                     + lang.restrictions.vehicle_types.PRIVATE + '</span>'
  83.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_taxi" value="1"> '
  84.                     + lang.restrictions.vehicle_types.TAXI + '</span>'
  85.                     + ' <span style="white-space: nowrap;"><input type="radio" name="_vehicleType" id="_vehicleType_bike" value="1"> '
  86.                     + lang.restrictions.vehicle_types.MOTORCYCLE + '</span>'
  87.                     + '<br>'
  88.                     + '<b>Avoid:</b>'
  89.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidTolls" /> ' + lang.edit.segment.fields.toll_road + '</span>'
  90.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidFreeways" /> ' + lang.segment.road_types[3] + '</span>'
  91.                     + ' <span style="white-space: nowrap;"><input type="checkbox" id="_avoidDirt" /> ' + lang.edit.segment.fields.unpaved + '</span>'
  92.                     + '<br>'
  93.                     + '<b>Allow:</b>'
  94.                     + ' <input type="checkbox" id="_allowUTurns" /> U-Turns</p>';
  95.  
  96.      getId('_avoidTolls').checked              = route_options & AVOID_TOLLS;
  97.      getId('_avoidFreeways').checked           = route_options & AVOID_FREEWAYS;
  98.      getId('_avoidDirt').checked               = route_options & AVOID_DIRT;
  99.      getId('_allowUTurns').checked             = route_options & ALLOW_UTURNS;
  100.      getId('_vehicleType_taxi').checked        = route_options & VEHICLE_TAXI;
  101.      getId('_vehicleType_bike').checked        = route_options & VEHICLE_BIKE;
  102.  
  103.      // automatically start getting route when user clicks on link
  104.      getId('goroutes').onclick = fetchRoute;
  105.   }
  106.  
  107.   // create empty div ready for instructions
  108.   var routeTest = document.createElement('div');
  109.   routeTest.id = "routeTest";
  110.   routeContent.appendChild(routeTest);
  111.  
  112.   return;
  113. }
  114.  
  115. function saveOptions() {
  116.   route_options = (getId('_avoidTolls').checked    ? AVOID_TOLLS    : 0)
  117.                 + (getId('_avoidFreeways').checked ? AVOID_FREEWAYS : 0)
  118.                 + (getId('_avoidDirt').checked     ? AVOID_DIRT     : 0)
  119.                 + (getId('_allowUTurns').checked   ? ALLOW_UTURNS   : 0)
  120.                 + (getId('_vehicleType_taxi').checked ? VEHICLE_TAXI : 0)
  121.                 + (getId('_vehicleType_bike').checked ? VEHICLE_BIKE : 0);
  122.  
  123.   console.log("WME Route Checker: saving options: " + route_options);
  124.   localStorage.WMERouteChecker = JSON.stringify(route_options);
  125. }
  126.  
  127. function getOptions() {
  128.   var list = 'AVOID_TOLL_ROADS' + (route_options & AVOID_TOLLS    ? ':t' : ':f') + ','
  129.            + 'AVOID_PRIMARIES'  + (route_options & AVOID_FREEWAYS ? ':t' : ':f') + ','
  130.            + 'AVOID_TRAILS'     + (route_options & AVOID_DIRT     ? ':t' : ':f') + ','
  131.            + 'ALLOW_UTURNS'     + (route_options & ALLOW_UTURNS   ? ':t' : ':f');
  132.   return list;
  133. }
  134.  
  135. function getCoords(segment) {
  136.   var numpoints = segment.geometry.components.length;
  137.   var middle = Math.floor(numpoints / 2);
  138.  
  139.   var seglat, seglon;
  140.   if (numpoints % 2 == 1 || numpoints < 2) { // odd number, middle point
  141.     seglat = segment.geometry.components[middle].y;
  142.     seglon = segment.geometry.components[middle].x;
  143.   }
  144.   else { // even number - take average of middle two points
  145.     seglat = (segment.geometry.components[middle].y
  146.            +  segment.geometry.components[middle-1].y) / 2.0;
  147.     seglon = (segment.geometry.components[middle].x
  148.            +  segment.geometry.components[middle-1].x) / 2.0;
  149.   }
  150.   return OpenLayers.Layer.SphericalMercator.inverseMercator(seglon,seglat);
  151. }
  152.  
  153. function fetchRoute(reverse) {
  154.   saveOptions();
  155.  
  156.   var coords1, coords2;
  157.   reverse = (reverse !== false);
  158.   var selected = W.selectionManager.getSelectedFeatures();
  159.   if (reverse) {
  160.     coords1 = getCoords(selected[0]);
  161.     coords2 = getCoords(selected[1]);
  162.   } else {
  163.     coords1 = getCoords(selected[1]);
  164.     coords2 = getCoords(selected[0]);
  165.   }
  166.  
  167.   // get the route, fix and parse the json
  168.   getId('routeTest').innerHTML = "<p><b>Fetching route from LiveMap...</b></p>";
  169.   var url = getRoutingManager();
  170.   var data = {
  171.     from: `x:${coords1.lon} y:${coords1.lat} bd:true`,
  172.     to: `x:${coords2.lon} y:${coords2.lat} bd:true`,
  173.     returnJSON: true,
  174.     returnGeometries: true,
  175.     returnInstructions: true,
  176.     type: 'HISTORIC_TIME',
  177.     clientVersion: '4.0.0',
  178.     timeout: 60000,
  179.     nPaths: 3,
  180.     options: getOptions()};
  181.  
  182.   if (route_options & VEHICLE_TAXI) {
  183.     data.vehicleType = 'TAXI';
  184.   }
  185.   else if (route_options & VEHICLE_BIKE) {
  186.     data.vehicleType = 'MOTORCYCLE';
  187.   }
  188.   if (window.location.hostname == "beta.waze.com") {
  189.     data.id = "beta";
  190.   }
  191.  
  192.   $.ajax({
  193.     dataType: "json",
  194.     url: url,
  195.     data: data,
  196.     dataFilter: function(data, dataType) {
  197.       return data.replace(/NaN/g, '0');
  198.     },
  199.     success: function(json) {
  200.       showNavigation(json.response, reverse);
  201.     }
  202.   });
  203.   return false;
  204. }
  205.  
  206. function getLivemap() {
  207.   var center_lonlat=new OpenLayers.LonLat(W.map.getCenter().lon,W.map.getCenter().lat);
  208.   center_lonlat.transform(new OpenLayers.Projection ("EPSG:900913"),new OpenLayers.Projection("EPSG:4326"));
  209.   var coords = `?lon=${center_lonlat.lon}&lat=${center_lonlat.lat}`;
  210.  
  211.   if (route_options & VEHICLE_TAXI) {
  212.     coords += "&rp_vehicleType=TAXI";
  213.   }
  214.   else if (route_options & VEHICLE_BIKE) {
  215.     coords += "&rp_vehicleType=MOTORCYCLE";
  216.   }
  217.   if (window.location.hostname == "beta.waze.com") {
  218.     coords += "&rp_id=beta";
  219.   }
  220.   coords += "&rp_options=" + getOptions();
  221.  
  222.   return `https://www.waze.com/livemap${coords}&overlay=false`;
  223. }
  224.  
  225. function getRoutingManager() {
  226.   if (W.model.countries.top.env == "NA") { // Canada, Puerto Rico & US
  227.     return '/RoutingManager/routingRequest';
  228.   } else if (W.model.countries.top.env == "IL") { // Israel
  229.     return '/il-RoutingManager/routingRequest';
  230.   } else { // ROW
  231.     return '/row-RoutingManager/routingRequest';
  232.   }
  233. }
  234.  
  235. function plotRoute(coords, index) {
  236.   var points = [];
  237.   for (var i in coords) {
  238.     if (i > 0) {
  239.       var point = OpenLayers.Layer.SphericalMercator.forwardMercator(coords[i].x, coords[i].y);
  240.       points.push(new OpenLayers.Geometry.Point(point.lon,point.lat));
  241.     }
  242.   }
  243.   var newline = new OpenLayers.Geometry.LineString(points);
  244.  
  245.   var style = {
  246.     strokeColor: routeColors[index],
  247.     strokeOpacity: 0.7,
  248.     strokeWidth: 8 - index * 2
  249.   };
  250.   var lineFeature = new OpenLayers.Feature.Vector(newline, {type: "routeArrow"}, style);
  251.  
  252.   // Display new segment
  253.   WMERC_lineLayer_route.addFeatures([lineFeature]);
  254. }
  255.  
  256. function showNavigation(nav_json, reverse) {
  257.   WMERC_lineLayer_route.destroyFeatures();
  258.   WMERC_lineLayer_route.setVisibility(true);
  259.   WMERC_lineLayer_markers.destroyFeatures();
  260.   WMERC_lineLayer_markers.setVisibility(true);
  261.  
  262.   // hide segment details
  263.   var userTabs = getId('edit-panel');
  264.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  265.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  266.  
  267.   // write instructions
  268.   var instructions = getId('routeTest');
  269.   instructions.innerHTML = '';
  270.   instructions.style.display = 'block';
  271.   instructions.style.height = document.getElementById('map').style.height;
  272.  
  273.   var nav_coords;
  274.   for (var r = 0; r < nav_json.length && r < 3; r++) {
  275.     nav_coords = OpenLayers.Geometry.fromWKT(nav_json[r].geom.wkt).getVertices();
  276.     showInstructions(instructions, nav_json[r], nav_coords, r);
  277.     plotRoute(nav_coords, r);
  278.   }
  279.  
  280.   var geom = OpenLayers.Geometry.fromWKT(nav_json[0].geom.wkt);
  281.   nav_coords = geom.getVertices();
  282.  
  283.   // zoom to show the primary route
  284.   var box = geom.getBounds();
  285.   box = box.transform(W.map.olMap.displayProjection, W.map.getProjectionObject());
  286.   W.map.zoomToExtent(box);
  287.  
  288.   var lon1 = nav_coords[0].x;
  289.   var lat1 = nav_coords[0].y;
  290.  
  291.   var end = nav_coords.length - 1;
  292.   var lon2 = nav_coords[end].x;
  293.   var lat2 = nav_coords[end].y;
  294.  
  295.   var rerouteArgs = `{lon:${lon1},lat:${lat1}},{lon:${lon2},lat:${lat2}}`;
  296.  
  297.   // footer for extra links
  298.   var footer = document.createElement('div');
  299.   footer.className = 'routes_footer';
  300.  
  301.   // create link to reverse the route
  302.   var reverseLink = document.createElement('a');
  303.   reverseLink.innerHTML = '&#8646; Reverse Route';
  304.   reverseLink.href = '#';
  305.   reverseLink.setAttribute('onClick', 'fetchRoute('+!reverse+');');
  306.   reverseLink.addEventListener('click', function() { fetchRoute(!reverse); }, false);
  307.   footer.appendChild(reverseLink);
  308.  
  309.   footer.appendChild(document.createTextNode(' | '));
  310.  
  311.   var url = getLivemap()
  312.           + `&from=ll.${lat1},${lon1}`
  313.           + `&to=ll.${lat2},${lon2}`;
  314.  
  315.   // create link to view the navigation instructions
  316.   var livemapLink = document.createElement('a');
  317.   livemapLink.innerHTML = 'View in LiveMap &raquo;';
  318.   livemapLink.href = url;
  319.   livemapLink.target="LiveMap";
  320.   footer.appendChild(livemapLink);
  321.  
  322.   footer.appendChild(document.createElement('br'));
  323.  
  324.   // add link to script homepage and version
  325.   var scriptLink = document.createElement('a');
  326.   scriptLink.innerHTML = `WME Route Checker v${wmerc_version}`;
  327.   scriptLink.href = 'https://www.waze.com/forum/viewtopic.php?t=64777';
  328.   scriptLink.style.fontStyle = 'italic';
  329.   scriptLink.target="_blank";
  330.   footer.appendChild(scriptLink);
  331.  
  332.   instructions.appendChild(footer);
  333.  
  334.   return false;
  335. }
  336.  
  337. function showInstructions(instructions, route, coords, r) {
  338.   // for each route returned by Waze...
  339.   var streetNames = route.street_name;
  340.  
  341.   if (r > 0) { // divider
  342.     instructions.appendChild(document.createElement('p'));
  343.   }
  344.  
  345.   // name of the route, with coloured icon
  346.   var route_name = document.createElement('p');
  347.   route_name.className = 'route';
  348.   route_name.style.borderColor = routeColors[r];
  349.   route_name.innerHTML = `<b style="color:${routeColors[r]}">Via ${route.routeName}</b>`;
  350.   if (route.dueToOverride != null) {
  351.     route_name.innerHTML += `<br><i>${route.dueToOverride}</i>`;
  352.   }
  353.   else if (route.isRestricted) {
  354.     route_name.innerHTML += `<br><i style="color: darkorange">Restricted Areas: ${route.areas}</i>`;
  355.   }
  356.   else {
  357.     route_name.innerHTML += `<br><i>${route.routeType} Route</i>`;
  358.   }
  359.   instructions.appendChild(route_name);
  360.  
  361.   if (route.tollMeters > 0) {
  362.     route_name.innerHTML = '<span style="float: right; background: #88f; color: white; font-size: small">&nbsp;TOLL&nbsp;</span>' + route_name.innerHTML;
  363.   }
  364.  
  365.   var optail = '';
  366.   var prevStreet = '';
  367.   var currentItem = null;
  368.   var totalDist = 0;
  369.   var totalTime = 0;
  370.   var isToll = false;
  371.   var isRestricted = 0;
  372.   //var detourSaving = 0;
  373.  
  374.   // street name at starting point
  375.   var streetName = streetNames[route.result[0].street];
  376.   var departFrom = 'depart';
  377.   if (!streetName || streetName === null) {
  378.     streetName = '';
  379.   }
  380.   else {
  381.     departFrom = `depart from ${streetName}`;
  382.     streetName = ` from <span style="color: blue">${streetName}<span>`;
  383.   }
  384.  
  385.   // turn icon at starting coordinates
  386.   if (r === 0) {
  387.     addTurnImageToMap(coords[0], getTurnImage('BEGIN'), departFrom);
  388.   }
  389.  
  390.   // add first instruction (depart)
  391.   currentItem = document.createElement('a');
  392.   currentItem.className = 'step';
  393.   currentItem.innerHTML = getTurnImageSrc(getTurnImage('FORWARD')) + 'depart' + streetName;
  394.   instructions.appendChild(currentItem);
  395.  
  396.   var segments = [];
  397.   // iterate over all the steps in the list
  398.   for (var i = 0; i < route.result.length; i++) {
  399.     totalDist += route.result[i].length;
  400.     totalTime += route.result[i].cross_time;
  401.     //detourSaving += route.result[i].detourSavings;
  402.  
  403.     segments.push(route.result[i].path.segment_id);
  404.  
  405.     if (route.result[i].isToll) {
  406.       if (!isToll) {
  407.         addMarkerToMap(route.result[i].path, "blue", "Toll");
  408.         isToll = true;
  409.       }
  410.     }
  411.     else {
  412.       if (isToll) {
  413.         addMarkerToMap(route.result[i].path, "blue", "End");
  414.         isToll = false;
  415.       }
  416.     }
  417.  
  418.     if (route.result[i].avoidStatus == "AVOID") {
  419.       if (isRestricted != route.result[i].areas.length) {
  420.         addMarkerToMap(route.result[i].path, 'darkorange', `${route.result[i].areas}`);
  421.         isRestricted = route.result[i].areas.length;
  422.       }
  423.     }
  424.     else {
  425.       if (isRestricted > 0) {
  426.         addMarkerToMap(route.result[i].path, 'darkorange', 'End')
  427.         isRestricted = 0;
  428.       }
  429.     }
  430.  
  431.     if (!route.result[i].instruction) {
  432.       continue;
  433. 	}
  434.     var opcode = route.result[i].instruction.opcode;
  435.     if (!opcode) {
  436.       continue;
  437. 	}
  438.  
  439.     // ignore these
  440.     if (opcode.match(/ROUNDABOUT_EXIT|NONE/) && route.result[i].instruction.laneGuidance == null) {
  441.       continue;
  442.     }
  443.  
  444.     if (opcode == 'NONE' && !route.result[i].instruction.laneGuidance.enable_display && !route.result[i].instruction.laneGuidance.enable_voice) {
  445.       continue; // straight-on is set to 'Waze selected'
  446.     }
  447.  
  448.     // the image for the turn
  449.     var dirImage = getTurnImage(opcode);
  450.     var dirImageSrc = '';
  451.     if (dirImage !== '') {
  452.       dirImageSrc = '';
  453.     }
  454.  
  455.     // the name that TTS will read out (in blue)
  456.     streetName = getNextStreetName(route.result, i, route.street_name);
  457.  
  458.     // roundabouts with nth exit instructions
  459.     if (opcode == 'ROUNDABOUT_ENTER') {
  460.       opcode += route.result[i].instruction.arg + 'th exit';
  461.       opcode = opcode.replace(/1th/, '1st');
  462.       opcode = opcode.replace(/2th/, '2nd');
  463.       opcode = opcode.replace(/3th/, '3rd');
  464.     }
  465.  
  466.     // convert opcode to pretty text
  467.     opcode = opcode.replace(/APPROACHING_DESTINATION/, 'arrive');
  468.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?LEFT/, 'at the roundabout, turn left');
  469.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?RIGHT/, 'at the roundabout, turn right');
  470.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?STRAIGHT/, 'at the roundabout, continue straight');
  471.     opcode = opcode.replace(/ROUNDABOUT_ENTER/, 'at the roundabout, take ');
  472.     opcode = opcode.toLowerCase().replace(/_/, ' ');
  473.     opcode = opcode.replace(/uturn/, 'make a U-turn');
  474.     opcode = opcode.replace(/roundabout u/, 'at the roundabout, make a U-turn');
  475.  
  476.     // convert keep to exit if needed
  477.     var keepSide = W.model.isLeftHand ? /keep left/ : /keep right/;
  478.     if (opcode.match(keepSide) && i+1 < route.result.length &&
  479.         isKeepForExit(route.result[i].roadType, route.result[i+1].roadType)) {
  480.       opcode = opcode.replace(/keep (.*)/, 'exit $1');
  481.     }
  482.  
  483.     var laneInfo = "";
  484.     var laneIcon = "";
  485.     if (route.result[i].clientLaneSet != null) {
  486.       var lanes = route.result[i].clientLaneSet.client_lane;
  487.       var guide = route.result[i].instruction.laneGuidance;
  488.       laneInfo += " |";
  489.       for (var l = 0; l < lanes.length; l++) {
  490.         if (l > 0) {
  491.           laneInfo += "\u2506"; // dashed line
  492.         }
  493.         var laneArrow = "\u2001"; // space \u00A0
  494.         for (var a = 0; a < lanes[l].angle_object.length; a++) {
  495.           var lane = lanes[l].angle_object[a];
  496.           if (lane.selected) {
  497.             laneArrow = getLaneArrow(lane.angle);
  498.           }
  499.         }
  500.         laneInfo += ` ${laneArrow} `;
  501.         laneIcon += laneArrow != '\u2001' ? laneArrow : '.';
  502.       }
  503.       laneInfo += "| ";
  504.       if (guide != null && opcode == 'none') {
  505.         if (lanes.enable_voice_for_instruction) {
  506.           laneInfo += "\uD83D\uDD08\uD83D\uDD08"; // View and hear
  507.         }
  508.         if (guide.enable_voice) {
  509.           laneInfo += "\uD83D\uDD08"; // View and hear
  510.         }
  511.         else if (guide.enable_display) {
  512.           laneInfo += "\uD83D\uDC41"; // View only
  513.         }
  514.       }
  515.     }
  516.  
  517.     // show turn symbol on the map (for first route only)
  518.     if (r === 0) {
  519. 	  var title;
  520.       if (opcode == 'arrive') {
  521.         var end = coords.length - 1;
  522.         title = 'arrive at ' + (streetName !== '' ? streetName : 'destination');
  523.         addTurnImageToMap(coords[end], dirImage, title);
  524.       }
  525.       else if (opcode != 'none') {
  526.         title = opcode.replace(/at the roundabout, /, '');
  527.         if (streetName !== '') title += ` onto ${streetName}`;
  528.         if (laneIcon !== '') title = ` \u2502${laneIcon}\u2502 \u00A0 ${title}`;
  529.         addTurnImageToMap(route.result[i+1].path, dirImage, title);
  530.       }
  531.       else if (laneInfo != '') {
  532.         addTurnImageToMap(route.result[i+1].path, null, `\u2502${laneIcon}\u2502`);
  533.       }
  534.     }
  535.  
  536.     // pretty street name
  537.     if (streetName !== '') {
  538.       if (opcode == 'arrive') {
  539.         streetName = ` at <span style="color: blue">${streetName}</span>`;
  540.       }
  541.       else if (opcode != 'none') {
  542.         streetName = ` onto <span style="color: blue">${streetName}</span>`;
  543.       }
  544.     }
  545.  
  546.     if (laneInfo != '') {
  547.       laneInfo = "<div align='center'>" + laneInfo + "</div>";
  548.     }
  549.  
  550.     // display new instruction
  551.     currentItem = document.createElement('a');
  552.     currentItem.className = 'step';
  553.     if (opcode != 'none') {
  554.       currentItem.innerHTML = getTurnImageSrc(dirImage) + opcode + streetName + laneInfo;
  555.     }
  556.     else {
  557.       currentItem.innerHTML = laneInfo;
  558.     }
  559.     if (opcode.match(/0th exit/)) {
  560.       currentItem.style.color = 'red';
  561.     }
  562.     instructions.appendChild(currentItem);
  563.   }
  564.  
  565.   // append distance and time to last instruction
  566.   currentItem.title = `${(totalDist/1609).toFixed(3)} miles`;
  567.   currentItem.innerHTML += ` - ${totalDist/1000} km`;
  568.   currentItem.innerHTML += ` - ${timeFromSecs(totalTime)}`;
  569.   //if (detourSaving > 0) {
  570.   //  currentItem.innerHTML += '<br>&nbsp; <i>detour saved ' + timeFromSecs(detourSaving) + '</i>';
  571.   //}
  572.  
  573.   var selectAll = document.createElement('a');
  574.   selectAll.className = 'step select';
  575.   selectAll.innerHTML = 'Select route segments &#8605;';
  576.   selectAll.href = "#";
  577.   selectAll.addEventListener('click', function() { selectSegmentIDs(segments); }, false);
  578.   instructions.appendChild(selectAll);
  579. }
  580.  
  581. function getLaneArrow(angle)
  582. {
  583.   switch (angle) {
  584.     case -180: return "\u21B6";
  585.     case -135: return "\u2199";
  586.     case -90: return "\u21B0";
  587.     case -45: return "\u2196";
  588.     case -0: return "\u2191";
  589.     case 45: return "\u2197";
  590.     case 90: return "\u21B1";
  591.     case 135: return "\u2198";
  592.     case 180: return "\u21B7";
  593.     default: return angle;
  594.   }
  595. }
  596.  
  597. function selectSegmentIDs(segments) {
  598.   var objects = [];
  599.   for (var i = 0; i < segments.length; i++) {
  600.     var segment = W.model.segments.getObjectById(segments[i]);
  601.     if (segment != null) {
  602.       objects.push(segment);
  603.     }
  604.   }
  605.   W.selectionManager.setSelectedModels(objects);
  606.   return false;
  607. }
  608.  
  609. function getNextStreetName(results, index, streetNames) {
  610.   var streetName = '';
  611.   var unnamedCount = 0;
  612.   var unnamedLength = 0;
  613.  
  614.   // destination
  615.   if (index == results.length-1) {
  616.     streetName = streetNames[results[index].street];
  617.     if (!streetName || streetName === null) {
  618.       streetName = '';
  619. 	}
  620.   }
  621.  
  622.   // look ahead to next street name
  623.   while (++index < results.length && streetName === '') {
  624.     streetName = streetNames[results[index].street];
  625.     if (!streetName || streetName === null) {
  626.       streetName = '';
  627. 	}
  628.  
  629.     // "Navigation instructions for unnamed segments" <- in the Wiki
  630.     if (streetName === '' && !isFreewayOrRamp(results[index].roadType)
  631. 		&& !isRoundabout(results[index].path.segment_id)) {
  632.       unnamedLength += length;
  633.       unnamedCount++;
  634.       if (unnamedCount >= 4 || unnamedLength >= 400) {
  635.         //console.log("- unnamed segments too long; break");
  636.         break;
  637.       }
  638.     }
  639.   }
  640.  
  641.   return streetName;
  642. }
  643.  
  644. function getTurnImage(opcode) {
  645.   var dirImage = '';
  646.   if (W.model.getTopCountry().leftHandTraffic) {
  647.     opcode = opcode.replace(/(ROUNDABOUT_)(EXIT_)?/, "$1UK_");
  648.   }
  649.   switch (opcode) {
  650.     case "BEGIN":       return 'https://www.waze.com/livemap3/assets/pin-9ad4ceb21a2449b4d0bcacdcf464f015.png';
  651.     case "CONTINUE":
  652.     case "NONE":        dirImage = "big_direction_forwardc0958c4d4c5c79bcb656d34f3afb3ea2.png"; break;
  653.     case "TURN_LEFT":   dirImage = "big_direction_left5b94fa33f945d46ab1bdd1131ac0457e.png"; break;
  654.     case "TURN_RIGHT":  dirImage = "big_direction_right2d403871f04763260a40c537e231897e.png"; break;
  655.     case "KEEP_LEFT":
  656.     case "EXIT_LEFT":   dirImage = "big_direction_exit_left1c1498a6dec9582bae81d34ec9e6dc3b.png"; break;
  657.     case "KEEP_RIGHT":
  658.     case "EXIT_RIGHT":  dirImage = "big_direction_exit_rightba4fee1380f556a8570252c6745f1442.png"; break;
  659.     case "UTURN":       dirImage = "big_direction_u63cf785b68a57e8663020098cd07ed76.png"; break;
  660.     case "APPROACHING_DESTINATION":   dirImage = "big_direction_end25226c71aed0efd3a2db41978066febc.png"; break;
  661.     case "ROUNDABOUT_LEFT":
  662.     case "ROUNDABOUT_EXIT_LEFT":      dirImage = "big_directions_roundabout_l54dc48b91e36549b26bae30135462780.png"; break;
  663.     case "ROUNDABOUT_UK_LEFT":        dirImage = "big_directions_roundabout_UK_ldc86a0b99cfcd4ed03b0192d5b350c70.png"; break;
  664.     case "ROUNDABOUT_RIGHT":
  665.     case "ROUNDABOUT_EXIT_RIGHT":     dirImage = "big_directions_roundabout_rc114740b6cafc42177a53aa6c803c14d.png"; break;
  666.     case "ROUNDABOUT_UK_RIGHT":       dirImage = "big_directions_roundabout_r_UKc34794c4d01ec8a9fa012150d2f1e02a.png"; break;
  667.     case "ROUNDABOUT_STRAIGHT":
  668.     case "ROUNDABOUT_EXIT_STRAIGHT":  dirImage = "big_directions_roundabout_sffadf4fd7b277b8ef2f21688e79b9351.png"; break;
  669.     case "ROUNDABOUT_UK_STRAIGHT":    dirImage = "big_directions_roundabout_UK_s01ea5c47f4e08b20532505d84b3271e0.png"; break;
  670.     case "ROUNDABOUT_ENTER":
  671.     case "ROUNDABOUT_EXIT":           dirImage = "big_directions_roundabout9f9bf37022d431be50fecc457cd6e3df.png"; break;
  672.     case "ROUNDABOUT_UK_ENTER":
  673.     case "ROUNDABOUT_UK_EXIT":        dirImage = "big_directions_roundabout_UK7dce607d7359326a799fd9d3ad8542aa.png"; break;
  674.     case "ROUNDABOUT_U":              dirImage = "big_directions_roundabout_u3634283a7d740f30eb18c203f6a357be.png"; break;
  675.     case "ROUNDABOUT_UK_U":           dirImage = "big_directions_roundabout_u_UKba204c8a12885976f9bc5b07165b8644.png"; break;
  676.     default: return '';
  677.   }
  678.   return 'https://editor-assets.waze.com/production/img/' + dirImage;
  679. }
  680.  
  681. function getTurnImageSrc(dirImage) {
  682.   if (dirImage !== '') {
  683.     return '<img src="' + dirImage + '" style="float: left; top: 0; padding-right: 4px" width="16" height="16" />';
  684.   }
  685.   return '';
  686. }
  687.  
  688. function isKeepForExit(fromType, toType) {
  689.   // primary to non-primary
  690.   if (isPrimaryRoad(fromType) && !isPrimaryRoad(toType)) {
  691.     return true;
  692.   }
  693.   // ramp to non-primary or non-ramp
  694.   if (isRamp(fromType) && !isPrimaryRoad(toType) && !isRamp(toType)) {
  695.     return true;
  696.   }
  697.   return false;
  698. }
  699.  
  700. function isFreewayOrRamp(t) {
  701.   return t === 3 /*FREEWAY*/ || t === 4 /*RAMP*/;
  702. }
  703.  
  704. function isPrimaryRoad(t) {
  705.   return t === 3 /*FREEWAY*/ || t === 6 /*MAJOR_HIGHWAY*/ || t === 7 /*MINOR_HIGHWAY*/;
  706. }
  707.  
  708. function isRamp(t) {
  709.   return t === 4 /*RAMP*/;
  710. }
  711.  
  712. function isRoundabout(id) {
  713.   var segment = W.model.segments.getObjectById(id);
  714.   if (segment != null) {
  715.     return segment.attributes.junctionId !== null;
  716.   }
  717.   return false;
  718. }
  719.  
  720. function timeFromSecs(seconds)
  721. {
  722.   var hh = '00'+Math.floor(((seconds/86400)%1)*24);
  723.   var mm = '00'+Math.floor(((seconds/3600)%1)*60);
  724.   var ss = '00'+Math.round(((seconds/60)%1)*60);
  725.   return hh.slice(-2) + ':' + mm.slice(-2) + ':' + ss.slice(-2);
  726. }
  727.  
  728. function addTurnImageToMap(location, image, title) {
  729.   if (image === '') return;
  730.  
  731.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  732.   var point = new OpenLayers.Geometry.Point(coords.lon,coords.lat);
  733.  
  734.   var style = {
  735.     externalGraphic: image,
  736.     graphicWidth: 30,
  737.     graphicHeight: 32,
  738.     label: title,
  739.     labelXOffset: 20,
  740.     labelAlign: 'left',
  741.     labelOutlineColor: 'white',
  742.     labelOutlineWidth: 3,
  743.     fontWeight: 'bold',
  744.     fontColor: routeColors[0]
  745.   };
  746.  
  747.   if (title.match(/0th exit/)) {
  748.     style.fontColor = 'red';
  749.   }
  750.  
  751.   var imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  752.   WMERC_lineLayer_markers.addFeatures([imageFeature]);
  753.  
  754.   if (image === null) {
  755.     style = {
  756.       label: '●',
  757.       labelAlign: 'center',
  758.       labelOutlineColor: 'white',
  759.       labelOutlineWidth: 3,
  760.       fontWeight: 'bold',
  761.       fontColor: routeColors[0],
  762.       fontSize: '20pt'
  763.     };
  764.  
  765.     imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  766.     WMERC_lineLayer_route.addFeatures([imageFeature]);
  767.   }
  768. }
  769.  
  770. function addMarkerToMap(location, color, title) {
  771.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  772.   var point = new OpenLayers.Geometry.Point(coords.lon,coords.lat);
  773.  
  774.   var style = {
  775.     label: title,
  776.     labelAlign: 'right',
  777.     labelOutlineColor: color,
  778.     labelOutlineWidth: 3,
  779.     labelXOffset: -16,
  780.     fontWeight: 'bold',
  781.     fontColor: 'white',
  782.     strokeColor: color,
  783.     strokeWidth: 2,
  784.     fillColor: 'white'
  785.   };
  786.  
  787.   if (color == 'blue') {
  788.     style.labelAlign = 'center';
  789.     style.labelXOffset = 0;
  790.     style.labelYOffset = -20;
  791.   }
  792.  
  793.   var imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  794.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  795.  
  796.   style = {
  797.     labelAlign: 'center',
  798.     labelOutlineColor: color,
  799.     labelOutlineWidth: 3,
  800.     fontWeight: 'bold',
  801.     fontColor: 'white'
  802.   };
  803.  
  804.   if (title != 'End') {
  805.     style.label = '●';
  806.     style.fontSize = '20pt';
  807.   }
  808.   else {
  809.     style.label = '⊘';
  810.   }
  811.  
  812.   imageFeature = new OpenLayers.Feature.Vector(point, null, style);
  813.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  814. }
  815.  
  816. /* helper function */
  817. function getElementsByClassName(classname, node) {
  818.   if(!node) node = document.getElementsByTagName("body")[0];
  819.   var a = [];
  820.   var re = new RegExp('\\b' + classname + '\\b');
  821.   var els = node.getElementsByTagName("*");
  822.   for (var i=0,j=els.length; i<j; i++) {
  823.     if (re.test(els[i].className)) {
  824. 	  a.push(els[i]);
  825. 	}
  826.   }
  827.   return a;
  828. }
  829.  
  830. function getId(node) {
  831.   return document.getElementById(node);
  832. }
  833.  
  834. function initialiseRouteChecker() {
  835.   if (typeof W == 'undefined') {
  836.     return; // not WME
  837.   }
  838.  
  839.   console.log("WME Route Checker: initialising v" + wmerc_version);
  840.  
  841.   if (localStorage.WMERouteChecker) {
  842.     route_options = JSON.parse(localStorage.WMERouteChecker);
  843.     console.log("WME Route Checker: loaded options: " + route_options);
  844.   }
  845.  
  846.   /* dirty hack to inject stylesheet in to the DOM */
  847.   var style = document.createElement('style');
  848.   style.innerHTML = "#routeTest {padding: 0 4px 0 0; overflow-y: auto;}\n"
  849.                   + "#routeTest p.route {margin: 0; padding: 4px 8px; border-bottom: silver solid 3px; background: #eee}\n"
  850.                   + "#routeTest a.step {display: block; margin: 0; padding: 3px 8px; text-decoration: none; color:black;border-bottom: silver solid 1px;}\n"
  851.                   + "#routeTest a.step:hover {background: #ffd;}\n"
  852.                   + "#routeTest a.step:active {background: #dfd;}\n"
  853.                   + "#routeTest a.select {color: #00f; text-align: right}\n"
  854.                   + "#routeTest div.routes_footer {text-align: center; margin-bottom: 25px;}\n";
  855.   (document.body || document.head || document.documentElement).appendChild(style);
  856.  
  857.   // add a new layer for routes
  858.   WMERC_lineLayer_route = new OpenLayers.Layer.Vector("Route Checker Script",
  859.     { displayInLayerSwitcher: false,
  860.       uniqueName: 'route_checker' }
  861.   );
  862.   W.map.addLayer(WMERC_lineLayer_route);
  863.  
  864.   // add a new layer for markers
  865.   WMERC_lineLayer_markers = new OpenLayers.Layer.Vector("Route Checker Script Markers",
  866.     { displayInLayerSwitcher: false,
  867.       uniqueName: 'route_checker2' }
  868.   );
  869.   W.map.addLayer(WMERC_lineLayer_markers);
  870.  
  871.   // add listener for whenever selection changes
  872.   W.selectionManager.events.register("selectionchanged", null, showRouteOptions);
  873.  
  874.   showRouteOptions(); // for permalinks
  875. }
  876.  
  877. // bootstrap!
  878. (function()
  879. {
  880.   setTimeout(initialiseRouteChecker, 1003);
  881. })();
  882.  
  883. /* end ======================================================================= */