WME LiveMap closures

WME Road Closures

Shows road closures from Waze Live map in WME
当前为 2014-09-18 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name				WME Road 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 			0.1
// @grant				none
// @copyright			2014, pvo11
// @namespace			https://gf.qytechs.cn/scripts/3462-wme-road-closures
// ==/UserScript==

roadClosures_version = '0.1';

var epsg900913 = new OpenLayers.Projection("EPSG:900913");
var epsg4326   = new OpenLayers.Projection("EPSG:4326");
var closuresLayer;


function drawLine(line) {
	var lineFeatures  = [];

	for(var i = 0; 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;
		
		var p1 = new OpenLayers.Geometry.Point(lp1.x, lp1.y).transform(epsg4326, epsg900913);
		var p2 = new OpenLayers.Geometry.Point(lp2.x, lp2.y).transform(epsg4326, epsg900913);
		
		
		var points = [];
		points.push(p1);
		points.push(p2);
		var line_part = new OpenLayers.Geometry.LineString(points);
		
		var lineFeature = new OpenLayers.Feature.Vector(line_part, { strokeColor: '#FF0000', labelText: '', strokeWidth: 12 } );
		lineFeatures.push(lineFeature);
	}
	closuresLayer.addFeatures(lineFeatures);
}


function requestClosures()
{
	if (closuresLayer.getVisibility() === true) {
		var extent = Waze.map.getExtent();
		var pLB = new OpenLayers.Geometry.Point(extent.left, extent.bottom).transform(epsg900913, epsg4326);
        var pRT = new OpenLayers.Geometry.Point(extent.right, extent.top).transform(epsg900913, epsg4326);
		var url = 'https://www.waze.com/row-rtserver/web/GeoRSS?os=60&atof=false&format=JSON&ma=200&mj=100&mu=100&jmu=0&types=alerts%2Cusers%2Ctraffic&left=' + pLB.x + '&right=' + pRT.x + '&bottom=' + pLB.y + '&top=' + pRT.y;

		$.ajax({
				dataType: "json",
				url: url,
				success: function(json) {
					if (json.error != undefined) {
				} else {
					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") {
								drawLine(jam.line);
							}
						} 
					}
				}
			}
		});
	}
}


function roadClosures_init()
{
	var style = new OpenLayers.Style({
			strokeDashstyle: 'solid',
			strokeColor : "${strokeColor}",
			strokeOpacity: 1.0,
			strokeWidth: "${strokeWidth}",
			fillColor: '#0040FF',
			fillOpacity: 1.0,
			pointRadius: "${pointRadius}",
			label : "${labelText}",
			fontFamily: "Tahoma, Courier New",
			labelOutlineColor: '#FFFFFF',
			labelOutlineWidth: 0,
			fontColor: "${fontColor}",
			fontOpacity: 1.0,
			fontSize: "10px",
			display: 'block'
		});

	closuresLayer = new unsafeWindow.OpenLayers.Layer.Vector("Road Closures", {
			displayInLayerSwitcher: true,
			uniqueName: "__DrawRouteClosures",
			styleMap: new OL.StyleMap(style)
		});
	I18n.translations.en.layers.name["__DrawRouteClosures"] = "Road Closures";
	unsafeWindow.Waze.map.addLayer(closuresLayer);
	closuresLayer.setVisibility(true);

	Waze.map.events.register("zoomend", null, requestClosures);
	Waze.map.events.register("moveend", null, requestClosures);
	Waze.map.events.register("changelayer", null, requestClosures);
	requestClosures();

}


function roadClosures_bootstrap()
{
	var bGreasemonkeyServiceDefined 	= false;

	try
	{
		bGreasemonkeyServiceDefined = ("object" === typeof Components.interfaces.gmIGreasemonkeyService);
	}
	catch (err)
	{ /* Ignore */ }

	if ( "undefined" === typeof unsafeWindow  ||  ! bGreasemonkeyServiceDefined)
	{
		unsafeWindow	= ( function ()
		{
			var dummyElem	= document.createElement('p');
			dummyElem.setAttribute ('onclick', 'return window;');
			return dummyElem.onclick ();
		} ) ();
	}
	
	setTimeout(roadClosures_init, 3000);
}


roadClosures_bootstrap();
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