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WME Route Checker

Allows editors to check the route between two segments

当前为 2016-02-08 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://editor-beta.waze.com/*
  8. // @version             1.20
  9. // @grant               none
  10. // ==/UserScript==
  11.  
  12. // globals
  13. var wmerc_version = "1.20";
  14.  
  15. var AVOID_TOLLS = 1;
  16. var AVOID_FREEWAYS = 2;
  17. var AVOID_DIRT = 4;
  18. var ALLOW_UTURNS = 16;
  19. var ROUTE_DIST = 32;
  20. var VEHICLE_TAXI = 64;
  21.  
  22. var route_options = ALLOW_UTURNS; // default
  23.  
  24. var routeZIndex = 0;
  25.  
  26. var routeColors = ["#8309e1", "#52BAD9", "#888800" ];
  27.  
  28.  
  29. function showRouteOptions() {
  30.   if (Waze.selectionManager.selectedItems.length != 2) {
  31.     WMERC_lineLayer_route.destroyFeatures();
  32.     WMERC_lineLayer_route.setZIndex(-999);
  33.     return;
  34.   }
  35.  
  36.   if (getId('routeOptions') !== null) {
  37.     return;
  38.   }
  39.  
  40.   // hook into edit panel on the left
  41.   var userTabs = getId('edit-panel');
  42.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  43.   var navTabs = getElementsByClassName('nav-tabs', segmentBox)[0];
  44.     
  45.   var routeTab = document.createElement('li');
  46.   routeTab.innerHTML = '<a href="#route-checker" data-toggle="tab" id="route-tab-link">Routes</a>';
  47.   navTabs.appendChild(routeTab);
  48.   getId('route-tab-link').onclick = fetchRoute;
  49.   
  50.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  51.  
  52.   var routeContent = document.createElement('div');
  53.   routeContent.id = 'route-checker';
  54.   routeContent.className = 'tab-pane';
  55.   tabContent.appendChild(routeContent);
  56.     
  57.   // add new edit tab to left of the map
  58.   var routeOptions = document.createElement('div');
  59.   routeOptions.id = "routeOptions";
  60.   routeOptions.style.borderTop = "solid 2px #E9E9E9";
  61.   routeOptions.style.borderBottom = "solid 2px #E9E9E9";
  62.   routeContent.appendChild(routeOptions);  
  63.   
  64.   if (location.hostname.match(/editor.*.waze.com/)) {
  65.     var coords1 = getCoords(Waze.selectionManager.selectedItems[0]);
  66.     var coords2 = getCoords(Waze.selectionManager.selectedItems[1]);
  67.     var url = getLivemap()
  68.             + "&from_lon="+coords1.lon + "&from_lat="+coords1.lat
  69.             + "&to_lon="+coords2.lon + "&to_lat="+coords2.lat
  70.             + "&at_req=0&at_text=Now";
  71.  
  72.     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>';
  73.   } else {
  74.     routeOptions.innerHTML = '<p><b><a href="#" id="goroutes" title="WME Route Checker v'+wmerc_version+'" style="color:#8309e1">'
  75.                     + 'Show routes between these 2 segments</a> &raquo;</b><br>'
  76.                     + '<b>Vehicle:</b>'
  77.                     + ' <input type="radio" name="_vehicleType" id="_vehicleType_private" value="0" checked> Private'
  78.                     + ' <input type="radio" name="_vehicleType" id="_vehicleType_taxi" value="1"> Taxi<br>'
  79.                     + '<b>Route:</b>'
  80.                     + ' <input type="radio" name="_routeType" id="_routeType_fast" value="0" checked> Fastest'
  81.                     + ' <input type="radio" name="_routeType" id="_routeType_short" value="1"> Shortest<br>'
  82.                     + '<b>Avoid:</b>'
  83.                     + ' <input type="checkbox" id="_avoidTolls" /> Tolls'
  84.                     + ' <input type="checkbox" id="_avoidFreeways" /> Freeways'
  85.                     + ' <input type="checkbox" id="_avoidDirt" /> Dirt Trails<br>'
  86.                     + '<b>Allow:</b>'
  87.                     + ' <input type="checkbox" id="_allowUTurns" /> U-Turns</p>';
  88.  
  89.      getId('_avoidTolls').checked              = route_options & AVOID_TOLLS;
  90.      getId('_avoidFreeways').checked           = route_options & AVOID_FREEWAYS;
  91.      getId('_avoidDirt').checked               = route_options & AVOID_DIRT;
  92.      getId('_allowUTurns').checked             = route_options & ALLOW_UTURNS;
  93.      getId('_routeType_short').checked         = route_options & ROUTE_DIST;
  94.      getId('_vehicleType_taxi').checked        = route_options & VEHICLE_TAXI;
  95.       
  96.      // automatically start getting route when user clicks on link
  97.      getId('goroutes').onclick = fetchRoute;
  98.   }
  99.  
  100.   // create empty div ready for instructions
  101.   var routeTest = document.createElement('div');
  102.   routeTest.id = "routeTest";
  103.   routeContent.appendChild(routeTest);  
  104.  
  105.   return;
  106. }
  107.  
  108. function saveOptions() {
  109.   route_options = (getId('_avoidTolls').checked    ? AVOID_TOLLS    : 0)
  110.                 + (getId('_avoidFreeways').checked ? AVOID_FREEWAYS : 0)
  111.                 + (getId('_avoidDirt').checked     ? AVOID_DIRT     : 0)
  112.                 + (getId('_allowUTurns').checked   ? ALLOW_UTURNS   : 0)
  113.                 + (getId('_routeType_short').checked ? ROUTE_DIST   : 0)
  114.                 + (getId('_vehicleType_taxi').checked ? VEHICLE_TAXI : 0);
  115.  
  116.   console.log("WME Route Checker: saving options: " + route_options);
  117.   localStorage.WMERouteChecker = JSON.stringify(route_options);
  118. }
  119.  
  120. function getOptions() {
  121.   var list = 'AVOID_TOLL_ROADS' + (route_options & AVOID_TOLLS    ? ':t' : ':f') + ','
  122.            + 'AVOID_PRIMARIES'  + (route_options & AVOID_FREEWAYS ? ':t' : ':f') + ','
  123.            + 'AVOID_TRAILS'     + (route_options & AVOID_DIRT     ? ':t' : ':f') + ','
  124.            + 'ALLOW_UTURNS'     + (route_options & ALLOW_UTURNS   ? ':t' : ':f');
  125.   return list;
  126. }
  127.  
  128. function getCoords(segment) {
  129.   var numpoints = segment.geometry.components.length;
  130.   var middle = Math.floor(numpoints / 2);
  131.  
  132.   var seglat, seglon;
  133.   if (numpoints % 2 == 1 || numpoints < 2) { // odd number, middle point
  134.     seglat = segment.geometry.components[middle].y;
  135.     seglon = segment.geometry.components[middle].x;
  136.   }
  137.   else { // even number - take average of middle two points
  138.     seglat = (segment.geometry.components[middle].y
  139.            +  segment.geometry.components[middle-1].y) / 2.0;
  140.     seglon = (segment.geometry.components[middle].x
  141.            +  segment.geometry.components[middle-1].x) / 2.0;
  142.   }
  143.   return OpenLayers.Layer.SphericalMercator.inverseMercator(seglon,seglat);
  144. }
  145.  
  146. function fetchRoute(reverse) {
  147.   saveOptions();
  148.  
  149.   var coords1, coords2;
  150.   reverse = (reverse !== false);
  151.   if (reverse) {
  152.     coords1 = getCoords(Waze.selectionManager.selectedItems[0]);
  153.     coords2 = getCoords(Waze.selectionManager.selectedItems[1]);
  154.   } else {
  155.     coords1 = getCoords(Waze.selectionManager.selectedItems[1]);
  156.     coords2 = getCoords(Waze.selectionManager.selectedItems[0]);
  157.   }
  158.  
  159.   var img = '<img src="https://www.waze.com/images/search_indicator.gif" hspace="4">';
  160.  
  161.   // get the route, fix and parse the json
  162.   getId('routeTest').innerHTML = "<p><b>Fetching route from LiveMap " + img + "</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: (route_options & ROUTE_DIST ? 'DISTANCE' : '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.  
  180.   $.ajax({
  181.     dataType: "json",
  182.     url: url,
  183.     data: data,
  184.     dataFilter: function(data, dataType) {
  185.       return data.replace(/NaN/g, '0');
  186.     },
  187.     success: function(json) {
  188.       showNavigation(json, reverse);
  189.     }
  190.   });
  191.   return false;
  192. }
  193.  
  194. function getLivemap() {
  195.   var center_lonlat=new OpenLayers.LonLat(Waze.map.center.lon,Waze.map.center.lat);
  196.   center_lonlat.transform(new OpenLayers.Projection ("EPSG:900913"),new OpenLayers.Projection("EPSG:4326"));
  197.   var coords = '?lon='+center_lonlat.lon+'&lat='+center_lonlat.lat;
  198.  
  199.   return 'https://www.waze.com/livemap'+coords;
  200. }
  201.  
  202. function getRoutingManager() {
  203.   if (Waze.model.countries.get(235) || Waze.model.countries.get(40)) { // US & Canada
  204.     return '/RoutingManager/routingRequest';
  205.   } else if (Waze.model.countries.get(106)) { // Israel
  206.     return '/il-RoutingManager/routingRequest';
  207.   } else {
  208.     return '/row-RoutingManager/routingRequest';
  209.   }
  210. }
  211.  
  212. function plotRoute(coords, index) {
  213.   var points = [];
  214.   for (var i in coords) {
  215.     if (i > 0) {
  216.       var point = OpenLayers.Layer.SphericalMercator.forwardMercator(coords[i].x, coords[i].y);
  217.       points.push(new OL.Geometry.Point(point.lon,point.lat));
  218.     }
  219.   }
  220.   var newline = new OL.Geometry.LineString(points);
  221.  
  222.   var style = {
  223.     strokeColor: routeColors[index],
  224.     strokeOpacity: 0.7,
  225.     strokeWidth: 8 - index * 2,
  226.   };
  227.   var lineFeature = new OL.Feature.Vector(newline, {type: "routeArrow"}, style);
  228.  
  229.   // Display new segment
  230.   WMERC_lineLayer_route.addFeatures([lineFeature]);
  231. }
  232.  
  233. function showNavigation(nav_json, reverse) {
  234.   // plot the route
  235.   WMERC_lineLayer_route.destroyFeatures();
  236.   if (typeof nav_json.alternatives !== "undefined"){
  237.     for (var r = nav_json.alternatives.length-1; r >= 0; r--) {
  238.       plotRoute(nav_json.alternatives[r].coords, r);
  239.     }
  240.   } else {
  241.     plotRoute(nav_json.coords, 0);
  242.   }
  243.   WMERC_lineLayer_route.setVisibility(true);
  244.   WMERC_lineLayer_route.setZIndex(routeZIndex);
  245.  
  246.   // hide segment details
  247.   var userTabs = getId('edit-panel');
  248.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  249.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  250.  
  251.   // write instructions
  252.   instructions = getId('routeTest');
  253.   instructions.innerHTML = '';
  254.   instructions.style.display = 'block';
  255.   instructions.style.height = document.getElementById('map').style.height;
  256.  
  257.   var nav_coords;
  258.   if (typeof nav_json.alternatives !== "undefined") {
  259.     for (var r = 0; r < nav_json.alternatives.length; r++) {
  260.       showInstructions(nav_json.alternatives[r], r);
  261.     }
  262.     nav_coords = nav_json.alternatives[0].coords;
  263.   } else {
  264.     showInstructions(nav_json, 0);
  265.     nav_coords = nav_json.coords;
  266.   }
  267.   var lon1 = nav_coords[0].x;
  268.   var lat1 = nav_coords[0].y;
  269.  
  270.   var end = nav_coords.length - 1;
  271.   var lon2 = nav_coords[end].x;
  272.   var lat2 = nav_coords[end].y;
  273.  
  274.   var rerouteArgs = '{lon:'+lon1+',lat:'+lat1+'},{lon:'+lon2+',lat:'+lat2+'}';
  275.  
  276.   // footer for extra links
  277.   var footer = document.createElement('div');
  278.   footer.className = 'routes_footer';
  279.  
  280.   // create link to reverse the route
  281.   var reverseLink = document.createElement('a');
  282.   reverseLink.innerHTML = '&laquo; Reverse Route';
  283.   reverseLink.href = '#';
  284.   reverseLink.setAttribute('onClick', 'fetchRoute('+!reverse+');');
  285.   reverseLink.addEventListener('click', function() { fetchRoute(!reverse); }, false);
  286.   footer.appendChild(reverseLink);
  287.  
  288.   footer.appendChild(document.createTextNode(' | '));
  289.  
  290.   var url = getLivemap()
  291.           + "&from_lon="+lon1 + "&from_lat="+lat1
  292.           + "&to_lon="+lon2 + "&to_lat="+lat2
  293.           + "&at_req=0&at_text=Now";
  294.  
  295.   // create link to view the navigation instructions
  296.   var livemapLink = document.createElement('a');
  297.   livemapLink.innerHTML = 'View in LiveMap &raquo;';
  298.   livemapLink.href = url;
  299.   livemapLink.target="LiveMap";
  300.   footer.appendChild(livemapLink);
  301.  
  302.   footer.appendChild(document.createElement('br'));
  303.  
  304.   // add link to script homepage and version
  305.   var scriptLink = document.createElement('a');
  306.   scriptLink.innerHTML = 'WME Route Checker v' + wmerc_version;
  307.   scriptLink.href = 'https://www.waze.com/forum/viewtopic.php?t=64777';
  308.   scriptLink.style.fontStyle = 'italic';
  309.   scriptLink.target="_blank";
  310.   footer.appendChild(scriptLink);
  311.  
  312.   instructions.appendChild(footer);
  313.  
  314.   return false;
  315. }
  316.  
  317. function showInstructions(nav_json, r) {
  318.   // for each route returned by Waze...
  319.   var route = nav_json.response;
  320.   var streetNames = route.streetNames;
  321.  
  322.   if (r > 0) { // divider
  323.     instructions.appendChild(document.createElement('p'));
  324.   }
  325.  
  326.   // name of the route, with coloured icon
  327.   var route_name = document.createElement('p');
  328.   route_name.className = 'route';
  329.   route_name.style.borderColor = routeColors[r];
  330.   route_name.innerHTML = '<b style="color:'+routeColors[r]+'">Via ' + route.routeName + '</b>';
  331.   instructions.appendChild(route_name);
  332.  
  333.   if (route.tollMeters > 0) {
  334.     route_name.innerHTML = '<span style="float: right">TOLL</span>' + route_name.innerHTML;
  335.   }
  336.  
  337.   var optail = '';
  338.   var prevStreet = '';
  339.   var currentItem = null;
  340.   var totalDist = 0;
  341.   var totalTime = 0;
  342.   //var detourSaving = 0;
  343.   
  344.   // street name at starting point
  345.   var streetName = streetNames[route.results[0].street];
  346.   var departFrom = 'depart';
  347.   if (!streetName || streetName === null)
  348.     streetName = '';
  349.   else {
  350.     departFrom = 'depart from ' + streetName;
  351.     streetName = ' from <span style="color: blue">' + streetName + '<span>';
  352.   }
  353.   
  354.   // turn icon at starting coordinates
  355.   if (r == 0) {
  356.     addTurnImageToMap(nav_json.coords[0], "big_direction_forward", departFrom);
  357.   }
  358.  
  359.   // add first instruction (depart)
  360.   currentItem = document.createElement('a');
  361.   currentItem.className = 'step';
  362.   currentItem.innerHTML = getTurnImageSrc('big_direction_forward') + 'depart' + streetName;
  363.   instructions.appendChild(currentItem);
  364.  
  365.   // iterate over all the steps in the list
  366.   for (var i = 0; i < route.results.length; i++) {
  367.     totalDist += route.results[i].length;
  368.     totalTime += route.results[i].crossTime;
  369.     //detourSaving += route.results[i].detourSavings;
  370.  
  371.     if (!route.results[i].instruction)
  372.       continue;
  373.     var opcode = route.results[i].instruction.opcode;
  374.     if (!opcode)
  375.       continue;
  376.  
  377.     // ignore these
  378.     if (opcode.match(/ROUNDABOUT_EXIT|CONTINUE|NONE/)) {
  379.       continue;
  380.     }
  381.  
  382.     // the image for the turn
  383.     var dirImage = getTurnImage(opcode);
  384.     var dirImageSrc = '';
  385.     if (dirImage !== '') {
  386.       dirImageSrc = '';
  387.     }
  388.     
  389.     // the name that TTS will read out (in blue)
  390.     streetName = getNextStreetName(route.results, i, route.streetNames);
  391.  
  392.     // roundabouts with nth exit instructions
  393.     if (opcode == 'ROUNDABOUT_ENTER') {
  394.       opcode += route.results[i].instruction.arg + 'th exit';
  395.       opcode = opcode.replace(/1th/, '1st');
  396.       opcode = opcode.replace(/2th/, '2nd');
  397.       opcode = opcode.replace(/3th/, '3rd');
  398.     }
  399.  
  400.     // convert opcode to pretty text
  401.     opcode = opcode.replace(/APPROACHING_DESTINATION/, 'arrive');
  402.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?LEFT/, 'at the roundabout, turn left');
  403.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?RIGHT/, 'at the roundabout, turn right');
  404.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?STRAIGHT/, 'at the roundabout, continue straight');
  405.     opcode = opcode.replace(/ROUNDABOUT_ENTER/, 'at the roundabout, take ');
  406.     opcode = opcode.toLowerCase().replace(/_/, ' ');
  407.     opcode = opcode.replace(/uturn/, 'make a U-turn');
  408.     opcode = opcode.replace(/roundabout u/, 'at the roundabout, make a U-turn');
  409.  
  410.     // convert keep to exit if needed
  411.     var keepSide = Waze.model.isLeftHand ? /keep left/ : /keep right/;
  412.     if (opcode.match(keepSide) && i+1 < route.results.length &&
  413.         isKeepForExit(route.results[i].roadType, route.results[i+1].roadType)) {
  414.       opcode = opcode.replace(/keep (.*)/, 'exit $1');
  415.     }
  416.  
  417.     // show turn symbol on the map (for first route only)
  418.     if (r == 0) {
  419.       if (opcode == 'arrive') {
  420.         var end = nav_json.coords.length - 1;
  421.         var title = 'arrive at ' + (streetName != '' ? streetName : 'destination');
  422.         addTurnImageToMap(nav_json.coords[end], dirImage, title);
  423.       } else {
  424.         //var title = opcode + (streetName != '' ? ' onto ' + streetName : '');
  425.         var title = opcode.replace(/at the roundabout, /, '');
  426.         if (streetName != '') title += ' onto ' + streetName;
  427.         addTurnImageToMap(route.results[i+1].path, dirImage, title);
  428.       }
  429.     }
  430.  
  431.     // pretty street name
  432.     if (streetName != '') {
  433.       if (opcode == 'arrive') {
  434.         streetName = ' at <span style="color: blue">' + streetName + '</span>';
  435.       } else {
  436.         streetName = ' onto <span style="color: blue">' + streetName + '</span>';
  437.       }
  438.     }
  439.       
  440.     // display new instruction
  441.     currentItem = document.createElement('a');
  442.     currentItem.className = 'step';
  443.     currentItem.innerHTML = getTurnImageSrc(dirImage) + opcode + streetName;
  444.     if (opcode.match(/0th exit/)) {
  445.       currentItem.style.color = 'red';
  446.     }
  447.     instructions.appendChild(currentItem);
  448.   }
  449.  
  450.   // append distance and time to last instruction
  451.   currentItem.title = (totalDist/1609).toFixed(3) + " miles";
  452.   currentItem.innerHTML += ' - ' + totalDist/1000 + ' km';
  453.   currentItem.innerHTML += ' - ' + timeFromSecs(totalTime);
  454.   //if (detourSaving > 0) {
  455.   //  currentItem.innerHTML += '<br>&nbsp; <i>detour saved ' + timeFromSecs(detourSaving) + '</i>';
  456.   //}
  457. };
  458.  
  459. function getNextStreetName(results, index, streetNames) {
  460.   var streetName = '';
  461.   var unnamedCount = 0;
  462.   var unnamedLength = 0;
  463.  
  464.   // destination
  465.   if (index == results.length-1) {
  466.     streetName = streetNames[results[index].street];
  467.     if (!streetName || streetName === null)
  468.       streetName = '';
  469.   }
  470.   
  471.   // look ahead to next street name
  472.   while (++index < results.length && streetName == '') {
  473.     streetName = streetNames[results[index].street];
  474.     if (!streetName || streetName === null)
  475.       streetName = '';
  476.  
  477.     // "Navigation instructions for unnamed segments" <- in the Wiki
  478.     if (streetName == '' && !isFreewayOrRamp(results[index].roadType) 
  479. 		&& !isRoundabout(results[index].path.segmentId)) {
  480.       unnamedLength += length;
  481.       unnamedCount++;
  482.       if (unnamedCount >= 4 || unnamedLength >= 400) {
  483.         //console.log("- unnamed segments too long; break");
  484.         break;
  485.       }
  486.     }
  487.   }
  488.   
  489.   return streetName;
  490. }
  491.  
  492. function getTurnImage(opcode) {
  493.   var dirImage = '';
  494.   switch (opcode) {
  495.     case "CONTINUE":
  496.     case "NONE":        dirImage = "big_direction_forward"; break;
  497.     case "TURN_LEFT":   dirImage = "big_direction_left"; break;
  498.     case "TURN_RIGHT":  dirImage = "big_direction_right"; break;
  499.     case "KEEP_LEFT":
  500.     case "EXIT_LEFT":   dirImage = "big_direction_exit_left"; break;
  501.     case "KEEP_RIGHT":
  502.     case "EXIT_RIGHT":  dirImage = "big_direction_exit_right"; break;
  503.     case "UTURN":       dirImage = "big_directions_roundabout_u"; break;
  504.     case "APPROACHING_DESTINATION":   dirImage = "big_direction_end"; break;
  505.     case "ROUNDABOUT_LEFT":
  506.     case "ROUNDABOUT_EXIT_LEFT":      dirImage = "big_directions_roundabout_l"; break;
  507.     case "ROUNDABOUT_RIGHT":
  508.     case "ROUNDABOUT_EXIT_RIGHT":     dirImage = "big_directions_roundabout_r"; break;
  509.     case "ROUNDABOUT_STRAIGHT":
  510.     case "ROUNDABOUT_EXIT_STRAIGHT":  dirImage = "big_directions_roundabout_s"; break;
  511.     case "ROUNDABOUT_ENTER":
  512.     case "ROUNDABOUT_EXIT":           dirImage = "big_directions_roundabout"; break;
  513.     case "ROUNDABOUT_U":              dirImage = "big_directions_roundabout_u"; break;
  514.     default: dirImage = '';
  515.   }
  516.   return dirImage;
  517. }
  518.  
  519. function getTurnImageSrc(dirImage) {
  520.   var imgRoot = '/assets-editor/images/vectors/routeInstructions/';
  521.   if (dirImage != '') {
  522.     return '<img src="' + imgRoot + dirImage + '.png" style="float: left; top: 0; padding-right: 4px" width="16" height="16" />';
  523.   }
  524.   return '';
  525. }
  526.  
  527. function isKeepForExit(fromType, toType) {
  528.   // primary to non-primary
  529.   if (isPrimaryRoad(fromType) && !isPrimaryRoad(toType)) {
  530.     return true;
  531.   }
  532.   // ramp to non-primary or non-ramp
  533.   if (isRamp(fromType) && !isPrimaryRoad(toType) && !isRamp(toType)) {
  534.     return true;
  535.   }
  536.   return false;
  537. }
  538.  
  539. function isFreewayOrRamp(t) {
  540.   return t === 3 /*FREEWAY*/ || t === 4 /*RAMP*/;
  541. }
  542.  
  543. function isPrimaryRoad(t) {
  544.   return t === 3 /*FREEWAY*/ || t === 6 /*MAJOR_HIGHWAY*/ || t === 7 /*MINOR_HIGHWAY*/;
  545. }
  546.  
  547. function isRamp(t) {
  548.   return t === 4 /*RAMP*/;
  549. }
  550.  
  551. function isRoundabout(id) {
  552.   segment = Waze.model.segments.get(id);
  553.   if (typeof segment != "undefined") {
  554.     return segment.attributes.junctionId !== null;
  555.   }
  556.   return false;
  557. }
  558.  
  559. function timeFromSecs(seconds)
  560. {
  561.   var hh = '00'+Math.floor(((seconds/86400)%1)*24);
  562.   var mm = '00'+Math.floor(((seconds/3600)%1)*60);
  563.   var ss = '00'+Math.round(((seconds/60)%1)*60);
  564.   return hh.slice(-2) + ':' + mm.slice(-2) + ':' + ss.slice(-2);
  565. }
  566.  
  567. function addTurnImageToMap(location, image, title) {
  568.   if (image == '') return;
  569.   
  570.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  571.   var point = new OL.Geometry.Point(coords.lon,coords.lat);
  572.   var imgRoot = '/assets-editor/images/vectors/routeInstructions/';
  573.  
  574.   var style = {
  575.     externalGraphic: imgRoot + image + ".png",
  576.     graphicWidth: 30,
  577.     graphicHeight: 32,
  578.     graphicZIndex: 9999,
  579.     label: title,
  580.     labelXOffset: 20,
  581.     labelAlign: 'l',
  582.     labelOutlineColor: 'white',
  583.     labelOutlineWidth: 3,
  584.     fontWeight: 'bold',
  585.     fontColor: routeColors[0]
  586.   };
  587.   
  588.   if (title.match(/0th exit/)) {
  589.     style.fontColor = 'red';
  590.   }
  591.  
  592.   var imageFeature = new OL.Feature.Vector(point, null, style);
  593.   
  594.   // Display new segment
  595.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  596. }
  597.  
  598. /* helper function */
  599. function getElementsByClassName(classname, node) {
  600.   if(!node) node = document.getElementsByTagName("body")[0];
  601.   var a = [];
  602.   var re = new RegExp('\\b' + classname + '\\b');
  603.   var els = node.getElementsByTagName("*");
  604.   for (var i=0,j=els.length; i<j; i++)
  605.     if (re.test(els[i].className)) a.push(els[i]);
  606.   return a;
  607. }
  608.  
  609. function getId(node) {
  610.   return document.getElementById(node);
  611. }
  612.  
  613. function initialiseRouteChecker() {
  614.   if (typeof Waze == 'undefined') {
  615.     return; // not WME
  616.   }
  617.  
  618.   console.log("WME Route Checker: initialising v" + wmerc_version);
  619.   
  620.   if (localStorage.WMERouteChecker) {
  621.     route_options = JSON.parse(localStorage.WMERouteChecker);
  622.     console.log("WME Route Checker: loaded options: " + route_options);
  623.   }
  624.  
  625.   /* dirty hack to inject stylesheet in to the DOM */
  626.   var style = document.createElement('style');
  627.   style.innerHTML = "#routeTest {padding: 0 4px 0 0; overflow-y: auto;}\n"
  628.                   + "#routeTest p.route {margin: 0; padding: 4px 8px; border-bottom: silver solid 3px; background: #eee}\n"
  629.                   + "#routeTest a.step {display: block; margin: 0; padding: 3px 8px; text-decoration: none; color:black;border-bottom: silver solid 1px;}\n"
  630.                   + "#routeTest a.step:hover {background: #ffd;}\n"
  631.                   + "#routeTest a.step:active {background: #dfd;}\n"
  632.                   + "#routeTest div.routes_footer {text-align: center; margin-bottom: 25px;}\n";
  633.   (document.body || document.head || document.documentElement).appendChild(style);
  634.  
  635.   // add a new layer for routes
  636.   WMERC_lineLayer_route = new OL.Layer.Vector("Route Checker Script",
  637.     { rendererOptions: { zIndexing: true },
  638.       shortcutKey: "S+t",
  639.       uniqueName: 'route_checker' }
  640.   );
  641.   Waze.map.addLayer(WMERC_lineLayer_route);
  642.   Waze.map.addControl(new OL.Control.DrawFeature(WMERC_lineLayer_route, OL.Handler.Path));
  643.  
  644.   // find best ZIndex
  645.   for (var i = 0; i < Waze.map.layers.length; i++) {
  646.     var l = Waze.map.layers[i];
  647.     if (/Waze.Control.SelectHighlightFeature/.test(l.name)) {
  648.       routeZIndex = l.getZIndex()+1;
  649.     }
  650.   }
  651.  
  652.   // hack in translation:
  653.   I18n.translations[I18n.locale].layers.name.route_checker = "Route Checker Script";
  654.  
  655.   // ...and then hide it
  656.   $("label:contains('Route Checker Script')").parent().remove();
  657.  
  658.   // add listener for whenever selection changes
  659.   Waze.selectionManager.events.register("selectionchanged", null, showRouteOptions);
  660.  
  661.   showRouteOptions(); // for permalinks
  662. }
  663.  
  664. // bootstrap!
  665. (function()
  666. {
  667.   setTimeout(initialiseRouteChecker, 1003);
  668. })();
  669.  
  670. /* end ======================================================================= */