WME Speeds

Adds colours to road segments to show their speeds
当前为 2015-11-06 提交的版本，查看最新版本。
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// ==UserScript==
// @name                WME Speeds
// @namespace           https://gf.qytechs.cn/cs/scripts/12402-wme-speeds
// @author              Martin Kolář (based from WME Color Highlights v. 1.98)
// @description         Adds colours to road segments to show their speeds
// @include             https://editor-beta.waze.com/*
// @version             0.1.1
// @grant               none
// ==/UserScript==

(function()
{

// global variables

var wmeSpeedsVersion = "0.1";
var wmeSpeedsInit = false;
var wmeSpeedsColors = ['#f00', '#321325', '#540804', '#BA1200', '#FA4A48', '#F39C6B', '#A7D3A6', '#ADD2C2', '#CFE795', '#F7EF81', '#BDC4A7', '#95AFBA', '#3F7CAC', '#0A369D', '#001C55'];
var wmeSpeedsMaxSpeed = 131;


/* =========================================================================== */
function highlightSegments(event) {
  for (var seg in Waze.model.segments.objects) {
    var segment = Waze.model.segments.get(seg);
    var attributes = segment.attributes;
    var line = getId(segment.geometry.id);

    if (line === null) {
      continue;
    }

    // check that WME hasn't highlighted this segment
    var opacity = line.getAttribute("stroke-opacity");
    var lineWidth = line.getAttribute("stroke-width");

    if (opacity == 1 || lineWidth == 9)
      continue;

    // turn off highlights when roads are no longer visible
    var roadType = attributes.roadType;
    if (Waze.map.zoom <= 3 && (roadType < 2 || roadType > 7)) {
      if (opacity > 0.1) {
        line.setAttribute("stroke","#dd7700");
        line.setAttribute("stroke-opacity",0.001);
        line.setAttribute("stroke-dasharray", "none");
      }
      continue;
    }

    // get current state of the line
    var lineColor = line.getAttribute("stroke");

    // default colours
    var newColor = "#dd7700";
    var newOpacity = 0.001;
    var newDashes = "none";
    var newWidth = 8;

    if (roadType != 5 && roadType != 10) {
      newColor = "#fff";
      newOpacity = 1;
      newWidth = 8;

      speed1allow = attributes.fwdDirection;
      speed2allow = attributes.revDirection;

      if (!speed1allow && !speed2allow) {
        continue;
      }

      if (speed1allow && typeof attributes.fwdMaxSpeed == 'number') {
        if (attributes.fwdMaxSpeed >= wmeSpeedsMaxSpeed) {
          speed1 = Math.ceil(wmeSpeedsMaxSpeed / 10);
        }
        else {
          speed1 = Math.ceil(attributes.fwdMaxSpeed / 10);
        }
      }
      else {
        speed1 = 0;
      }

      if (speed2allow && typeof attributes.revMaxSpeed == 'number') {
        if (attributes.revMaxSpeed >= wmeSpeedsMaxSpeed) {
          speed2 = Math.ceil(wmeSpeedsMaxSpeed / 10);
        }
        else {
          speed2 = Math.ceil(attributes.revMaxSpeed / 10);
        }
      }
      else {
        speed2 = 0;
      }

      speed1color = wmeSpeedsColors[speed1];
      speed2color = wmeSpeedsColors[speed2];

      if ((speed1 == 0  && speed2 == 0) || (!speed2allow && speed1 == 0) || (!speed1allow && speed2 == 0)) {
        continue;
      }

      if (speed1allow && speed2allow) {
        if (speed1 == 0 || speed2 == 0) {
          newDashes = "10 10";
          newColor = '#ff00ff';
          newWidth = 9;
        }
        else if (speed1 != speed2) {
          if (speed1 < speed2) {
            newColor = speed1color;
          }
          else {
            newColor = speed2color;
          }

          newDashes = "10 10";
        }
        else {
          newColor = speed1color;
        }
      }

      else if (speed1allow) {
        newColor = speed1color;
      }
      else {
        newColor = speed2color;
      }

      if ((attributes.fwdDirection && attributes.fwdMaxSpeed == 126) || (attributes.revDirection && attributes.revMaxSpeed == 126)) {
        newColor = "#000";
        newOpacity = 1;
        newWidth = 9;
      }
    }

    // if colour has changed, update the line attributes
    if (lineColor != newColor) {
      line.setAttribute("stroke", newColor);
      line.setAttribute("stroke-opacity", newOpacity);
      line.setAttribute("stroke-dasharray", newDashes);
      if (newColor != "#dd7700") { //default
        line.setAttribute("stroke-width", newWidth);
      } else {
        line.setAttribute("stroke-width", 6);
      }
    }
  } // end of loop
} // end of function

/* helper function */
function getElementsByClassName(classname, node) {
  if(!node) node = document.getElementsByTagName("body")[0];
  var a = [];
  var re = new RegExp('\\b' + classname + '\\b');
  var els = node.getElementsByTagName("*");
  for (var i=0,j=els.length; i<j; i++)
    if (re.test(els[i].className)) a.push(els[i]);
  return a;
}

function getId(node) {
  return document.getElementById(node);
}

/* =========================================================================== */
function initialiseHighlights()
{
  if (wmeSpeedsInit) {
    return;
  }

  // init shortcuts
  if(!window.Waze.map)
  {
      window.console.log("WME Speeds "
          + ": waiting for WME...");
      setTimeout(initialiseHighlights, 555);
      return;
  }

  // begin periodic updates
  window.setInterval(highlightSegments,333);

  // trigger code when page is fully loaded, to catch any missing bits
  window.addEventListener("load", function(e) {
    var mapProblems = getId('map-problems-explanation')
    if (mapProblems !== null) mapProblems.style.display = "none";
  });

  // register some events...
  Waze.map.events.register("zoomend", null, highlightSegments);

  wmeSpeedsInit = true;
}

/* engage! =================================================================== */
initialiseHighlights();

})();
/* end ======================================================================= */
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