WME LiveMap closures

Shows road closures from Waze Live map in WME
当前为 2016-11-09 提交的版本，查看最新版本。
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// ==UserScript==
// @name				WME LiveMap closures
// @description 		Shows road closures from Waze Live map in WME
// @include 			https://www.waze.com/editor/*
// @include 			https://www.waze.com/*/editor/*
// @include 			https://editor-beta.waze.com/*
// @version 			1.7
// @grant				none
// @copyright			2014, pvo11
// @namespace			https://greasyfork.org/scripts/5144-wme-road-closures
// ==/UserScript==
 
 
var epsg900913 = new OpenLayers.Projection("EPSG:900913");
var epsg4326   = new OpenLayers.Projection("EPSG:4326");
var closuresLayer;
 
lineWidth = [
	[4, 5],
	[5, 6],
	[6, 7],
	[7, 8],
	[8, 9],
	[10, 12],
	[12, 14],
	[14, 16],
	[15, 17],
	[16, 18],
	[17, 19]
];
	
 
function drawLine(line) {
	var linePoints = [];
 
	var zoom = Waze.map.getZoom();
	if (zoom >= lineWidth.length) {
		zoom = lineWidth.length - 1;
	}
 
	var p = new OpenLayers.Geometry.Point(line[0].x, line[0].y).transform(epsg4326, epsg900913);
	linePoints.push(p);
	for(var i = 1; i < line.length-1; i++) {
		var lp1 = line[i];
		var lp2 = line[i + 1];
		
		var dif_lon = Math.abs(lp1.x - lp2.x);
		var dif_lat = Math.abs(lp1.y - lp2.y);
		
		if (dif_lon < 0.0000001 && dif_lat < 0.0000001) continue;
		p = new OpenLayers.Geometry.Point(lp1.x, lp1.y).transform(epsg4326, epsg900913);
		linePoints.push(p);
	}
	p = new OpenLayers.Geometry.Point(line[line.length-1].x, line[line.length-1].y).transform(epsg4326, epsg900913);
	linePoints.push(p);
	var lineString  = new OpenLayers.Geometry.LineString(linePoints);
	var lineFeature = new OpenLayers.Feature.Vector(lineString, null, { strokeColor: '#000000', strokeDashstyle: 'solid', strokeLinecap: 'round', strokeWidth: lineWidth[zoom][1]} );
	closuresLayer.addFeatures(lineFeature);
	lineString  = new OpenLayers.Geometry.LineString(linePoints);
	lineFeature = new OpenLayers.Feature.Vector(lineString, null, { strokeColor: '#FF0000', strokeDashstyle: 'solid', strokeLinecap: 'round', strokeWidth: lineWidth[zoom][0] } );
	closuresLayer.addFeatures(lineFeature);
	lineString  = new OpenLayers.Geometry.LineString(linePoints);
	lineFeature = new OpenLayers.Feature.Vector(lineString, null, { strokeColor: '#FFFFFF', strokeDashstyle: 'dot', strokeLinecap: 'square', strokeWidth: lineWidth[zoom][0] } );
	closuresLayer.addFeatures(lineFeature);
}
 
 
function getRoutingURL(){
	var server = Waze.location.code;
	var routingURL = 'https://www.waze.com';
	
	switch(server){
		case 'usa':
			routingURL += '/rtserver/web/TGeoRSS';
			break;
		case 'row':
			routingURL += '/row-rtserver/web/TGeoRSS'; 
			break;
		case 'il':
		  	routingURL += '/il-rtserver/web/TGeoRSS'; 
			break;
		default: 
			routingURL += '/rtserver/web/TGeoRSS';
	}  
 
	return routingURL;
}
 
 
function requestClosures()
{
	if (closuresLayer.getVisibility()) {
		var extent = Waze.map.getExtent();
		var oh = 500;
		var pLB = new OpenLayers.Geometry.Point(extent.left - oh, extent.bottom - oh).transform(epsg900913, epsg4326);
		var pRT = new OpenLayers.Geometry.Point(extent.right + oh, extent.top + oh).transform(epsg900913, epsg4326);
		var data = {
			ma: "600",
			mj: "100",
			mu: "100",
			left: pLB.x,
			right: pRT.x,
			bottom: pLB.y,
			top: pRT.y
		};
		var url = getRoutingURL();
 
		$.ajax({
				dataType: "json",
				url: url,
				data: data,
				success: function(json) {
					if (json.error != undefined) {
					} else {
						closuresLayer.destroyFeatures();
						var ids = [];
						if ("undefined" !== typeof(json.jams)) {
							var numjams = json.jams.length;
							for (var i = 0; i < numjams; i++) {
								var jam = json.jams[i];
								if (jam.blockType === "ROAD_CLOSED_EVENT" || jam.blockType === "ROAD_CLOSED_CONSTRUCTION" || (typeof(jam.causeAlert) !== "undefined" && jam.causeAlert.subtype === "ROAD_CLOSED_EVENT")) {
									if (typeof(ids[jam.segments[0].ID]) === "undefined") {
										drawLine(jam.line);
										ids[jam.segments[0].ID] = 1;
									}
								}
							} 
						}
					}
			}
		});
	}
}
 
 
function changeLayer()
{
	localStorage.DrawLiveMapClosures = closuresLayer.getVisibility();
	requestClosures();
}
 
 
function liveMapClosures_init()
{
	closuresLayer = new OpenLayers.Layer.Vector("LiveMap closures", {
			displayInLayerSwitcher: true,
			uniqueName: "__DrawLiveMapClosures"
		});
//	I18n.translations.en.layers.name["__DrawLiveMapClosures"] = "LiveMap closures";
	Waze.map.addLayer(closuresLayer);
	if (localStorage.DrawLiveMapClosures) {
		closuresLayer.setVisibility(localStorage.DrawLiveMapClosures == "true");
	} else {
		closuresLayer.setVisibility(true);
	}
	
	var alertsLayer =  Waze.map.getLayersBy('uniqueName', '__livemap_alerts').first();
	if (typeof(alertsLayer) !== "undefined") {
		var closuresLayerZIdx = closuresLayer.getZIndex();
			var alertsLayerZIdx = alertsLayer.getZIndex();
		if (closuresLayerZIdx > alertsLayerZIdx) {
			closuresLayer.setZIndex(alertsLayerZIdx);
			alertsLayer.setZIndex(closuresLayerZIdx);
		}
	}
 
	Waze.map.events.register("zoomend", null, requestClosures);
	Waze.map.events.register("moveend", null, requestClosures);
	Waze.map.events.register("changelayer", null, changeLayer);
	requestClosures();
 
}
 
 
function liveMapClosures_bootstrap()
{
	if (typeof Waze === 'undefined' || typeof Waze.map === 'undefined') {
		setTimeout(liveMapClosures_bootstrap, 500);
	} else {
		liveMapClosures_init();
	}
}
 
 
liveMapClosures_bootstrap();