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WME Route Checker

Allows editors to check the route between two segments

当前为 2016-04-17 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. // @exclude             https://www.waze.com/user/editor/*
  9. // @version             1.21
  10. // @grant               none
  11. // ==/UserScript==
  12.  
  13. // globals
  14. var wmerc_version = "1.21";
  15.  
  16. var AVOID_TOLLS = 1;
  17. var AVOID_FREEWAYS = 2;
  18. var AVOID_DIRT = 4;
  19. var ALLOW_UTURNS = 16;
  20. var ROUTE_DIST = 32;
  21. var VEHICLE_TAXI = 64;
  22.  
  23. var route_options = ALLOW_UTURNS; // default
  24.  
  25. var routeZIndex = 0;
  26.  
  27. var routeColors = ["#8309e1", "#52BAD9", "#888800" ];
  28.  
  29.  
  30. function showRouteOptions() {
  31.   if (Waze.selectionManager.selectedItems.length != 2) {
  32.     WMERC_lineLayer_route.destroyFeatures();
  33.     WMERC_lineLayer_route.setZIndex(-999);
  34.     return;
  35.   }
  36.  
  37.   if (getId('routeOptions') !== null) {
  38.     return;
  39.   }
  40.  
  41.   // hook into edit panel on the left
  42.   var userTabs = getId('edit-panel');
  43.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  44.   var navTabs = getElementsByClassName('nav-tabs', segmentBox)[0];
  45.   
  46.   var routeTab = document.createElement('li');
  47.   routeTab.innerHTML = '<a href="#route-checker" data-toggle="tab" id="route-tab-link">Routes</a>';
  48.   navTabs.appendChild(routeTab);
  49.   getId('route-tab-link').onclick = fetchRoute;
  50.   
  51.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  52.  
  53.   var routeContent = document.createElement('div');
  54.   routeContent.id = 'route-checker';
  55.   routeContent.className = 'tab-pane';
  56.   tabContent.appendChild(routeContent);
  57.   
  58.   // add new edit tab to left of the map
  59.   var routeOptions = document.createElement('div');
  60.   routeOptions.id = "routeOptions";
  61.   routeOptions.style.borderTop = "solid 2px #E9E9E9";
  62.   routeOptions.style.borderBottom = "solid 2px #E9E9E9";
  63.   routeContent.appendChild(routeOptions);
  64.   
  65.   if (location.hostname.match(/editor.*.waze.com/)) {
  66.     var coords1 = getCoords(Waze.selectionManager.selectedItems[0]);
  67.     var coords2 = getCoords(Waze.selectionManager.selectedItems[1]);
  68.     var url = getLivemap()
  69.             + "&from_lon="+coords1.lon + "&from_lat="+coords1.lat
  70.             + "&to_lon="+coords2.lon + "&to_lat="+coords2.lat
  71.             + "&at_req=0&at_text=Now";
  72.  
  73.     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>';
  74.   } else {
  75.     routeOptions.innerHTML = '<p><b><a href="#" id="goroutes" title="WME Route Checker v'+wmerc_version+'" style="color:#8309e1">'
  76.                     + 'Show routes between these 2 segments</a> &raquo;</b><br>'
  77.                     + '<b>Vehicle:</b>'
  78.                     + ' <input type="radio" name="_vehicleType" id="_vehicleType_private" value="0" checked> Private'
  79.                     + ' <input type="radio" name="_vehicleType" id="_vehicleType_taxi" value="1"> Taxi<br>'
  80.                     + '<b>Route:</b>'
  81.                     + ' <input type="radio" name="_routeType" id="_routeType_fast" value="0" checked> Fastest'
  82.                     + ' <input type="radio" name="_routeType" id="_routeType_short" value="1"> Shortest<br>'
  83.                     + '<b>Avoid:</b>'
  84.                     + ' <input type="checkbox" id="_avoidTolls" /> Tolls'
  85.                     + ' <input type="checkbox" id="_avoidFreeways" /> Freeways'
  86.                     + ' <input type="checkbox" id="_avoidDirt" /> Dirt Trails<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('_routeType_short').checked         = route_options & ROUTE_DIST;
  95.      getId('_vehicleType_taxi').checked        = route_options & VEHICLE_TAXI;
  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.   routeContent.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('_routeType_short').checked ? ROUTE_DIST   : 0)
  115.                 + (getId('_vehicleType_taxi').checked ? VEHICLE_TAXI : 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.   if (reverse) {
  153.     coords1 = getCoords(Waze.selectionManager.selectedItems[0]);
  154.     coords2 = getCoords(Waze.selectionManager.selectedItems[1]);
  155.   } else {
  156.     coords1 = getCoords(Waze.selectionManager.selectedItems[1]);
  157.     coords2 = getCoords(Waze.selectionManager.selectedItems[0]);
  158.   }
  159.  
  160.   var img = '<img src="https://www.waze.com/images/search_indicator.gif" hspace="4">';
  161.  
  162.   // get the route, fix and parse the json
  163.   getId('routeTest').innerHTML = "<p><b>Fetching route from LiveMap " + img + "</b></p>";
  164.   var url = getRoutingManager();
  165.   var data = {
  166.     from: "x:" + coords1.lon + " y:" + coords1.lat + " bd:true",
  167.     to: "x:" + coords2.lon + " y:" + coords2.lat + " bd:true",
  168.     returnJSON: true,
  169.     returnGeometries: true,
  170.     returnInstructions: true,
  171.     type: (route_options & ROUTE_DIST ? 'DISTANCE' : 'HISTORIC_TIME'),
  172.     clientVersion: '4.0.0',
  173.     timeout: 60000,
  174.     nPaths: 3,
  175.     options: getOptions()};
  176.     
  177.   if (route_options & VEHICLE_TAXI) {
  178.     data.vehicleType = 'TAXI';
  179.   }
  180.  
  181.   $.ajax({
  182.     dataType: "json",
  183.     url: url,
  184.     data: data,
  185.     dataFilter: function(data, dataType) {
  186.       return data.replace(/NaN/g, '0');
  187.     },
  188.     success: function(json) {
  189.       showNavigation(json, reverse);
  190.     }
  191.   });
  192.   return false;
  193. }
  194.  
  195. function getLivemap() {
  196.   var center_lonlat=new OpenLayers.LonLat(Waze.map.center.lon,Waze.map.center.lat);
  197.   center_lonlat.transform(new OpenLayers.Projection ("EPSG:900913"),new OpenLayers.Projection("EPSG:4326"));
  198.   var coords = '?lon='+center_lonlat.lon+'&lat='+center_lonlat.lat;
  199.  
  200.   return 'https://www.waze.com/livemap'+coords;
  201. }
  202.  
  203. function getRoutingManager() {
  204.   if (Waze.model.countries.get(235) || Waze.model.countries.get(40)) { // US & Canada
  205.     return '/RoutingManager/routingRequest';
  206.   } else if (Waze.model.countries.get(106)) { // Israel
  207.     return '/il-RoutingManager/routingRequest';
  208.   } else {
  209.     return '/row-RoutingManager/routingRequest';
  210.   }
  211. }
  212.  
  213. function plotRoute(coords, index) {
  214.   var points = [];
  215.   for (var i in coords) {
  216.     if (i > 0) {
  217.       var point = OpenLayers.Layer.SphericalMercator.forwardMercator(coords[i].x, coords[i].y);
  218.       points.push(new OL.Geometry.Point(point.lon,point.lat));
  219.     }
  220.   }
  221.   var newline = new OL.Geometry.LineString(points);
  222.  
  223.   var style = {
  224.     strokeColor: routeColors[index],
  225.     strokeOpacity: 0.7,
  226.     strokeWidth: 8 - index * 2,
  227.   };
  228.   var lineFeature = new OL.Feature.Vector(newline, {type: "routeArrow"}, style);
  229.  
  230.   // Display new segment
  231.   WMERC_lineLayer_route.addFeatures([lineFeature]);
  232. }
  233.  
  234. function showNavigation(nav_json, reverse) {
  235.   // plot the route
  236.   WMERC_lineLayer_route.destroyFeatures();
  237.   if (typeof nav_json.alternatives !== "undefined"){
  238.     for (var r = nav_json.alternatives.length-1; r >= 0; r--) {
  239.       plotRoute(nav_json.alternatives[r].coords, r);
  240.     }
  241.   } else {
  242.     plotRoute(nav_json.coords, 0);
  243.   }
  244.   WMERC_lineLayer_route.setVisibility(true);
  245.   WMERC_lineLayer_route.setZIndex(routeZIndex);
  246.  
  247.   // hide segment details
  248.   var userTabs = getId('edit-panel');
  249.   var segmentBox = getElementsByClassName('segment', userTabs)[0];
  250.   var tabContent = getElementsByClassName('tab-content', segmentBox)[0];
  251.  
  252.   // write instructions
  253.   instructions = getId('routeTest');
  254.   instructions.innerHTML = '';
  255.   instructions.style.display = 'block';
  256.   instructions.style.height = document.getElementById('map').style.height;
  257.  
  258.   var nav_coords;
  259.   if (typeof nav_json.alternatives !== "undefined") {
  260.     for (var r = 0; r < nav_json.alternatives.length; r++) {
  261.       showInstructions(nav_json.alternatives[r], r);
  262.     }
  263.     nav_coords = nav_json.alternatives[0].coords;
  264.   } else {
  265.     showInstructions(nav_json, 0);
  266.     nav_coords = nav_json.coords;
  267.   }
  268.   var lon1 = nav_coords[0].x;
  269.   var lat1 = nav_coords[0].y;
  270.  
  271.   var end = nav_coords.length - 1;
  272.   var lon2 = nav_coords[end].x;
  273.   var lat2 = nav_coords[end].y;
  274.  
  275.   var rerouteArgs = '{lon:'+lon1+',lat:'+lat1+'},{lon:'+lon2+',lat:'+lat2+'}';
  276.  
  277.   // footer for extra links
  278.   var footer = document.createElement('div');
  279.   footer.className = 'routes_footer';
  280.  
  281.   // create link to reverse the route
  282.   var reverseLink = document.createElement('a');
  283.   reverseLink.innerHTML = '&#8646; Reverse Route';
  284.   reverseLink.href = '#';
  285.   reverseLink.setAttribute('onClick', 'fetchRoute('+!reverse+');');
  286.   reverseLink.addEventListener('click', function() { fetchRoute(!reverse); }, false);
  287.   footer.appendChild(reverseLink);
  288.  
  289.   footer.appendChild(document.createTextNode(' | '));
  290.  
  291.   var url = getLivemap()
  292.           + "&from_lon="+lon1 + "&from_lat="+lat1
  293.           + "&to_lon="+lon2 + "&to_lat="+lat2
  294.           + "&at_req=0&at_text=Now";
  295.  
  296.   // create link to view the navigation instructions
  297.   var livemapLink = document.createElement('a');
  298.   livemapLink.innerHTML = 'View in LiveMap &raquo;';
  299.   livemapLink.href = url;
  300.   livemapLink.target="LiveMap";
  301.   footer.appendChild(livemapLink);
  302.  
  303.   footer.appendChild(document.createElement('br'));
  304.  
  305.   // add link to script homepage and version
  306.   var scriptLink = document.createElement('a');
  307.   scriptLink.innerHTML = 'WME Route Checker v' + wmerc_version;
  308.   scriptLink.href = 'https://www.waze.com/forum/viewtopic.php?t=64777';
  309.   scriptLink.style.fontStyle = 'italic';
  310.   scriptLink.target="_blank";
  311.   footer.appendChild(scriptLink);
  312.  
  313.   instructions.appendChild(footer);
  314.  
  315.   return false;
  316. }
  317.  
  318. function showInstructions(nav_json, r) {
  319.   // for each route returned by Waze...
  320.   var route = nav_json.response;
  321.   var streetNames = route.streetNames;
  322.  
  323.   if (r > 0) { // divider
  324.     instructions.appendChild(document.createElement('p'));
  325.   }
  326.  
  327.   // name of the route, with coloured icon
  328.   var route_name = document.createElement('p');
  329.   route_name.className = 'route';
  330.   route_name.style.borderColor = routeColors[r];
  331.   route_name.innerHTML = '<b style="color:'+routeColors[r]+'">Via ' + route.routeName + '</b>';
  332.   instructions.appendChild(route_name);
  333.  
  334.   if (route.tollMeters > 0) {
  335.     route_name.innerHTML = '<span style="float: right">TOLL</span>' + route_name.innerHTML;
  336.   }
  337.  
  338.   var optail = '';
  339.   var prevStreet = '';
  340.   var currentItem = null;
  341.   var totalDist = 0;
  342.   var totalTime = 0;
  343.   //var detourSaving = 0;
  344.   
  345.   // street name at starting point
  346.   var streetName = streetNames[route.results[0].street];
  347.   var departFrom = 'depart';
  348.   if (!streetName || streetName === null)
  349.     streetName = '';
  350.   else {
  351.     departFrom = 'depart from ' + streetName;
  352.     streetName = ' from <span style="color: blue">' + streetName + '<span>';
  353.   }
  354.   
  355.   // turn icon at starting coordinates
  356.   if (r === 0) {
  357.     addTurnImageToMap(nav_json.coords[0], "big_direction_forward", departFrom);
  358.   }
  359.  
  360.   // add first instruction (depart)
  361.   currentItem = document.createElement('a');
  362.   currentItem.className = 'step';
  363.   currentItem.innerHTML = getTurnImageSrc('big_direction_forward') + 'depart' + streetName;
  364.   instructions.appendChild(currentItem);
  365.  
  366.   var segments = [];
  367.   // iterate over all the steps in the list
  368.   for (var i = 0; i < route.results.length; i++) {
  369.     totalDist += route.results[i].length;
  370.     totalTime += route.results[i].crossTime;
  371.     //detourSaving += route.results[i].detourSavings;
  372.     
  373.     segments.push(route.results[i].path.segmentId);
  374.     
  375.     if (!route.results[i].instruction)
  376.       continue;
  377.     var opcode = route.results[i].instruction.opcode;
  378.     if (!opcode)
  379.       continue;
  380.  
  381.     // ignore these
  382.     if (opcode.match(/ROUNDABOUT_EXIT|CONTINUE|NONE/)) {
  383.       continue;
  384.     }
  385.  
  386.     // the image for the turn
  387.     var dirImage = getTurnImage(opcode);
  388.     var dirImageSrc = '';
  389.     if (dirImage !== '') {
  390.       dirImageSrc = '';
  391.     }
  392.     
  393.     // the name that TTS will read out (in blue)
  394.     streetName = getNextStreetName(route.results, i, route.streetNames);
  395.  
  396.     // roundabouts with nth exit instructions
  397.     if (opcode == 'ROUNDABOUT_ENTER') {
  398.       opcode += route.results[i].instruction.arg + 'th exit';
  399.       opcode = opcode.replace(/1th/, '1st');
  400.       opcode = opcode.replace(/2th/, '2nd');
  401.       opcode = opcode.replace(/3th/, '3rd');
  402.     }
  403.  
  404.     // convert opcode to pretty text
  405.     opcode = opcode.replace(/APPROACHING_DESTINATION/, 'arrive');
  406.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?LEFT/, 'at the roundabout, turn left');
  407.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?RIGHT/, 'at the roundabout, turn right');
  408.     opcode = opcode.replace(/ROUNDABOUT_(EXIT_)?STRAIGHT/, 'at the roundabout, continue straight');
  409.     opcode = opcode.replace(/ROUNDABOUT_ENTER/, 'at the roundabout, take ');
  410.     opcode = opcode.toLowerCase().replace(/_/, ' ');
  411.     opcode = opcode.replace(/uturn/, 'make a U-turn');
  412.     opcode = opcode.replace(/roundabout u/, 'at the roundabout, make a U-turn');
  413.  
  414.     // convert keep to exit if needed
  415.     var keepSide = Waze.model.isLeftHand ? /keep left/ : /keep right/;
  416.     if (opcode.match(keepSide) && i+1 < route.results.length &&
  417.         isKeepForExit(route.results[i].roadType, route.results[i+1].roadType)) {
  418.       opcode = opcode.replace(/keep (.*)/, 'exit $1');
  419.     }
  420.  
  421.     // show turn symbol on the map (for first route only)
  422.     if (r === 0) {
  423.       if (opcode == 'arrive') {
  424.         var end = nav_json.coords.length - 1;
  425.         var title = 'arrive at ' + (streetName !== '' ? streetName : 'destination');
  426.         addTurnImageToMap(nav_json.coords[end], dirImage, title);
  427.       } else {
  428.         //var title = opcode + (streetName != '' ? ' onto ' + streetName : '');
  429.         var title = opcode.replace(/at the roundabout, /, '');
  430.         if (streetName !== '') title += ' onto ' + streetName;
  431.         addTurnImageToMap(route.results[i+1].path, dirImage, title);
  432.       }
  433.     }
  434.  
  435.     // pretty street name
  436.     if (streetName !== '') {
  437.       if (opcode == 'arrive') {
  438.         streetName = ' at <span style="color: blue">' + streetName + '</span>';
  439.       } else {
  440.         streetName = ' onto <span style="color: blue">' + streetName + '</span>';
  441.       }
  442.     }
  443.     
  444.     // display new instruction
  445.     currentItem = document.createElement('a');
  446.     currentItem.className = 'step';
  447.     currentItem.innerHTML = getTurnImageSrc(dirImage) + opcode + streetName;
  448.     if (opcode.match(/0th exit/)) {
  449.       currentItem.style.color = 'red';
  450.     }
  451.     instructions.appendChild(currentItem);
  452.   }
  453.  
  454.   // append distance and time to last instruction
  455.   currentItem.title = (totalDist/1609).toFixed(3) + " miles";
  456.   currentItem.innerHTML += ' - ' + totalDist/1000 + ' km';
  457.   currentItem.innerHTML += ' - ' + timeFromSecs(totalTime);
  458.   //if (detourSaving > 0) {
  459.   //  currentItem.innerHTML += '<br>&nbsp; <i>detour saved ' + timeFromSecs(detourSaving) + '</i>';
  460.   //}
  461.   
  462.   selectAll = document.createElement('a');
  463.   selectAll.className = 'step select';
  464.   selectAll.innerHTML = 'Select route segments &#8605;';
  465.   selectAll.href = "#";
  466.   selectAll.setAttribute('onClick', 'selectSegmentIDs('+segments+');');
  467.   selectAll.addEventListener('click', function() { selectSegmentIDs(segments); }, false);
  468.   instructions.appendChild(selectAll);
  469. }
  470.  
  471. function selectSegmentIDs(segments) {
  472.   var objects = [];
  473.   for (var i = 0; i < segments.length; i++) {
  474.     objects.push(Waze.model.segments.objects[segments[i]]);
  475.   }
  476.   Waze.selectionManager.select(objects);
  477.   return false;
  478. }
  479.  
  480. function getNextStreetName(results, index, streetNames) {
  481.   var streetName = '';
  482.   var unnamedCount = 0;
  483.   var unnamedLength = 0;
  484.  
  485.   // destination
  486.   if (index == results.length-1) {
  487.     streetName = streetNames[results[index].street];
  488.     if (!streetName || streetName === null)
  489.       streetName = '';
  490.   }
  491.   
  492.   // look ahead to next street name
  493.   while (++index < results.length && streetName === '') {
  494.     streetName = streetNames[results[index].street];
  495.     if (!streetName || streetName === null)
  496.       streetName = '';
  497.  
  498.     // "Navigation instructions for unnamed segments" <- in the Wiki
  499.     if (streetName === '' && !isFreewayOrRamp(results[index].roadType) 
  500. 		&& !isRoundabout(results[index].path.segmentId)) {
  501.       unnamedLength += length;
  502.       unnamedCount++;
  503.       if (unnamedCount >= 4 || unnamedLength >= 400) {
  504.         //console.log("- unnamed segments too long; break");
  505.         break;
  506.       }
  507.     }
  508.   }
  509.   
  510.   return streetName;
  511. }
  512.  
  513. function getTurnImage(opcode) {
  514.   var dirImage = '';
  515.   switch (opcode) {
  516.     case "CONTINUE":
  517.     case "NONE":        dirImage = "big_direction_forward"; break;
  518.     case "TURN_LEFT":   dirImage = "big_direction_left"; break;
  519.     case "TURN_RIGHT":  dirImage = "big_direction_right"; break;
  520.     case "KEEP_LEFT":
  521.     case "EXIT_LEFT":   dirImage = "big_direction_exit_left"; break;
  522.     case "KEEP_RIGHT":
  523.     case "EXIT_RIGHT":  dirImage = "big_direction_exit_right"; break;
  524.     case "UTURN":       dirImage = "big_directions_roundabout_u"; break;
  525.     case "APPROACHING_DESTINATION":   dirImage = "big_direction_end"; break;
  526.     case "ROUNDABOUT_LEFT":
  527.     case "ROUNDABOUT_EXIT_LEFT":      dirImage = "big_directions_roundabout_l"; break;
  528.     case "ROUNDABOUT_RIGHT":
  529.     case "ROUNDABOUT_EXIT_RIGHT":     dirImage = "big_directions_roundabout_r"; break;
  530.     case "ROUNDABOUT_STRAIGHT":
  531.     case "ROUNDABOUT_EXIT_STRAIGHT":  dirImage = "big_directions_roundabout_s"; break;
  532.     case "ROUNDABOUT_ENTER":
  533.     case "ROUNDABOUT_EXIT":           dirImage = "big_directions_roundabout"; break;
  534.     case "ROUNDABOUT_U":              dirImage = "big_directions_roundabout_u"; break;
  535.     default: dirImage = '';
  536.   }
  537.   return dirImage;
  538. }
  539.  
  540. function getTurnImageSrc(dirImage) {
  541.   var imgRoot = '/assets-editor/images/vectors/routeInstructions/';
  542.   if (dirImage !== '') {
  543.     return '<img src="' + imgRoot + dirImage + '.png" style="float: left; top: 0; padding-right: 4px" width="16" height="16" />';
  544.   }
  545.   return '';
  546. }
  547.  
  548. function isKeepForExit(fromType, toType) {
  549.   // primary to non-primary
  550.   if (isPrimaryRoad(fromType) && !isPrimaryRoad(toType)) {
  551.     return true;
  552.   }
  553.   // ramp to non-primary or non-ramp
  554.   if (isRamp(fromType) && !isPrimaryRoad(toType) && !isRamp(toType)) {
  555.     return true;
  556.   }
  557.   return false;
  558. }
  559.  
  560. function isFreewayOrRamp(t) {
  561.   return t === 3 /*FREEWAY*/ || t === 4 /*RAMP*/;
  562. }
  563.  
  564. function isPrimaryRoad(t) {
  565.   return t === 3 /*FREEWAY*/ || t === 6 /*MAJOR_HIGHWAY*/ || t === 7 /*MINOR_HIGHWAY*/;
  566. }
  567.  
  568. function isRamp(t) {
  569.   return t === 4 /*RAMP*/;
  570. }
  571.  
  572. function isRoundabout(id) {
  573.   segment = Waze.model.segments.get(id);
  574.   if (typeof segment != "undefined") {
  575.     return segment.attributes.junctionId !== null;
  576.   }
  577.   return false;
  578. }
  579.  
  580. function timeFromSecs(seconds)
  581. {
  582.   var hh = '00'+Math.floor(((seconds/86400)%1)*24);
  583.   var mm = '00'+Math.floor(((seconds/3600)%1)*60);
  584.   var ss = '00'+Math.round(((seconds/60)%1)*60);
  585.   return hh.slice(-2) + ':' + mm.slice(-2) + ':' + ss.slice(-2);
  586. }
  587.  
  588. function addTurnImageToMap(location, image, title) {
  589.   if (image === '') return;
  590.   
  591.   var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(location.x, location.y);
  592.   var point = new OL.Geometry.Point(coords.lon,coords.lat);
  593.   var imgRoot = '/assets-editor/images/vectors/routeInstructions/';
  594.  
  595.   var style = {
  596.     externalGraphic: imgRoot + image + ".png",
  597.     graphicWidth: 30,
  598.     graphicHeight: 32,
  599.     graphicZIndex: 9999,
  600.     label: title,
  601.     labelXOffset: 20,
  602.     labelAlign: 'l',
  603.     labelOutlineColor: 'white',
  604.     labelOutlineWidth: 3,
  605.     fontWeight: 'bold',
  606.     fontColor: routeColors[0]
  607.   };
  608.   
  609.   if (title.match(/0th exit/)) {
  610.     style.fontColor = 'red';
  611.   }
  612.  
  613.   var imageFeature = new OL.Feature.Vector(point, null, style);
  614.   
  615.   // Display new segment
  616.   WMERC_lineLayer_route.addFeatures([imageFeature]);
  617. }
  618.  
  619. /* helper function */
  620. function getElementsByClassName(classname, node) {
  621.   if(!node) node = document.getElementsByTagName("body")[0];
  622.   var a = [];
  623.   var re = new RegExp('\\b' + classname + '\\b');
  624.   var els = node.getElementsByTagName("*");
  625.   for (var i=0,j=els.length; i<j; i++)
  626.     if (re.test(els[i].className)) a.push(els[i]);
  627.   return a;
  628. }
  629.  
  630. function getId(node) {
  631.   return document.getElementById(node);
  632. }
  633.  
  634. function initialiseRouteChecker() {
  635.   if (typeof Waze == 'undefined') {
  636.     return; // not WME
  637.   }
  638.  
  639.   console.log("WME Route Checker: initialising v" + wmerc_version);
  640.   
  641.   if (localStorage.WMERouteChecker) {
  642.     route_options = JSON.parse(localStorage.WMERouteChecker);
  643.     console.log("WME Route Checker: loaded options: " + route_options);
  644.   }
  645.  
  646.   /* dirty hack to inject stylesheet in to the DOM */
  647.   var style = document.createElement('style');
  648.   style.innerHTML = "#routeTest {padding: 0 4px 0 0; overflow-y: auto;}\n"
  649.                   + "#routeTest p.route {margin: 0; padding: 4px 8px; border-bottom: silver solid 3px; background: #eee}\n"
  650.                   + "#routeTest a.step {display: block; margin: 0; padding: 3px 8px; text-decoration: none; color:black;border-bottom: silver solid 1px;}\n"
  651.                   + "#routeTest a.step:hover {background: #ffd;}\n"
  652.                   + "#routeTest a.step:active {background: #dfd;}\n"
  653.                   + "#routeTest a.select {color: #00f; text-align: right}\n"
  654.                   + "#routeTest div.routes_footer {text-align: center; margin-bottom: 25px;}\n";
  655.   (document.body || document.head || document.documentElement).appendChild(style);
  656.  
  657.   // add a new layer for routes
  658.   WMERC_lineLayer_route = new OL.Layer.Vector("Route Checker Script",
  659.     { rendererOptions: { zIndexing: true },
  660.       shortcutKey: "S+t",
  661.       uniqueName: 'route_checker' }
  662.   );
  663.   Waze.map.addLayer(WMERC_lineLayer_route);
  664.   Waze.map.addControl(new OL.Control.DrawFeature(WMERC_lineLayer_route, OL.Handler.Path));
  665.  
  666.   // find best ZIndex
  667.   for (var i = 0; i < Waze.map.layers.length; i++) {
  668.     var l = Waze.map.layers[i];
  669.     if (/Waze.Control.SelectHighlightFeature/.test(l.name)) {
  670.       routeZIndex = l.getZIndex()+1;
  671.     }
  672.   }
  673.  
  674.   // hack in translation:
  675.   I18n.translations[I18n.locale].layers.name.route_checker = "Route Checker Script";
  676.  
  677.   // ...and then hide it
  678.   $("label:contains('Route Checker Script')").parent().remove();
  679.  
  680.   // add listener for whenever selection changes
  681.   Waze.selectionManager.events.register("selectionchanged", null, showRouteOptions);
  682.  
  683.   showRouteOptions(); // for permalinks
  684. }
  685.  
  686. // bootstrap!
  687. (function()
  688. {
  689.   setTimeout(initialiseRouteChecker, 1003);
  690. })();
  691.  
  692. /* end ======================================================================= */