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WME LiveMap Alerts Overlay - beta

Overlay alerts from the Waze LiveMap.

目前为 2014-09-19 提交的版本。查看 最新版本。

// ==UserScript==
// @name                WME LiveMap Alerts Overlay - beta
// @author				davielde
// @description         Overlay alerts from the Waze LiveMap.
// @include             https://www.waze.com/editor/*
// @include             https://www.waze.com/*/editor/*
// @include             https://editor-beta.waze.com/*
// @version             0.1.5
// @grant               none
// @namespace           https://gf.qytechs.cn/users/5252
// ==/UserScript==

// Many thanks to Timbones and Twister-UK, whose code (WMECH and URO+) provided a large foundation for this work 

//------------------------------------------------------------------------------------------------
function bootstrapLiveMapAlerts()
{
    var bGreasemonkeyServiceDefined = false;
    
    try {
        bGreasemonkeyServiceDefined = (typeof Components.interfaces.gmIGreasemonkeyService === "object");
    }
    catch (err) { /* Ignore */ }
    
    if (typeof unsafeWindow === "undefined" || ! bGreasemonkeyServiceDefined) {
        unsafeWindow    = ( function () {
            var dummyElem = document.createElement('p');
            dummyElem.setAttribute('onclick', 'return window;');
            return dummyElem.onclick();
        }) ();
    }
    
    setTimeout(initializeLiveMapAlerts, 999);

}

//--------------------------------------------------------------------------------------------------------
function getBounds()
{
   	var alertBounds = Waze.map.getExtent();

    alertBounds.transform(new OpenLayers.Projection("EPSG:900913"),new OpenLayers.Projection("EPSG:4326"));
    console.log('WME LMAO: Current bounds = Left ' + alertBounds.left + ', Right ' + alertBounds.right + ', Bottom ' + alertBounds.bottom + ', Top ' + alertBounds.top);//verify transform
    
    return alertBounds;
}

//--------------------------------------------------------------------------------------------------------
function getLiveMapAlerts(){
        
    LiveMapAlerts_Layer.destroyFeatures();
    
    var alertBounds = getBounds();
    var url = "/rtserver/web/GeoRSS";
    var data = {
      format: "JSON",
      types: "alerts",
      left: alertBounds.left,
      right: alertBounds.right,
      bottom: alertBounds.top,
      top: alertBounds.bottom
    };
    
    $.ajax({
        dataType: "json",
        url: url,
        data: data,
        success: function(json) {
        
            var alertData = json.alerts;
            try {
                for(var i=0; i<alertData.length; i++) {
                    var lat = alertData[i].location.y;
                    var long = alertData[i].location.x;
                    var image = alertData[i].type;
                    var title = alertData[i].reportDescription;
                    
                    console.log("WME LMAO: " + alertData[i].type, alertData[i].location.x, alertData[i].location.y);
                    addImage(lat,long,image,alertData[i]);
                } 
            }
            catch(e) {
                console.log('WME LMAO: No alerts in view');
            }
        }
    });
}

//--------------------------------------------------------------------------------------------------------
function addImage(lat, long, type, detail) {
        
  var coords = OpenLayers.Layer.SphericalMercator.forwardMercator(long, lat);
  var point = new OL.Geometry.Point(coords.lon,coords.lat);
  var alertPx = Waze.map.getPixelFromLonLat(new OpenLayers.LonLat(coords.lon,coords.lat));
  var imgRoot = '/assets';
  
  switch(type){
      case 'ROAD_CLOSED':
          var icon = '/livemap/alerts/road_closed-243aa9787857ee55f762c52ceb13813b.png';
          break;
      case 'ACCIDENT':
          var icon = '/livemap/alerts/accident-c5f76aaa426f2731d2e10c6ac99fe918.png';
          break;
      case 'JAM':
          var icon = '/livemap/alerts/jam-8269807a1e2a79c944a9577483ac8df7.png';
          break;
      case 'POLICEMAN': //Chrome
          var icon = '/livemap/alerts/police-503317f465b6295c7bf084ff773848e3.png';
          break;
      case 'POLICE': //Firefox
          var icon = '/livemap/alerts/police-503317f465b6295c7bf084ff773848e3.png';
          break; 
      case 'HAZARD': //Firefox
          var icon = '/livemap/alerts/hazard-ed111f132551125f297b76ef4cca9101.png';
          break;
      case 'WEATHERHAZARD': //Chrome returns this for *all* hazards...
          var icon = '/livemap/alerts/hazard-ed111f132551125f297b76ef4cca9101.png';
          break;
      default:
          var icon = '/livemap/alerts/hazard-ed111f132551125f297b76ef4cca9101.png';
  };
  var attributes = {
      type: detail.type,
      subtype: detail.subtype,
      description: detail.reportDescription,
      street: detail.street,
      city: detail.city,
      near: detail.nearBy,
      reportby: detail.reportBy,
      pixel: alertPx
  };
        
  var style = { 
    externalGraphic: imgRoot + icon, 
    graphicWidth: 30,
    graphicHeight: 32,
    graphicZIndex: 9999,
    title: 'LiveMap',
    cursor: 'help'
  };
    
  var imageFeature = new OL.Feature.Vector(point, attributes, style);
    
  LiveMapAlerts_Layer.addFeatures([imageFeature]);
  //console.log('WME LMAO: Added alert at ' + lat + ',' + long);

}

//--------------------------------------------------------------------------------------------------------
function initializeLiveMapAlerts()
{    
    console.log("WME LMAO: Initializing");
    
    var lmaoVisibility = true;
    
    // restore saved settings
    if (localStorage.WMELiveMapAlerts) {
        console.log("WME LMAO: loading options");
        var options = JSON.parse(localStorage.getItem("WMELiveMapAlerts"));
        
        lmaoVisibility 							= options[0];
    }

    // overload the WME exit function
    saveLMAOOptions = function() {
        if (localStorage) {
            console.log("WME FC Highlights: saving options");
            var options = [];
            
            lmaoVisibility = LiveMapAlerts_Layer.visibility;
            options[0] = lmaoVisibility;
            
            localStorage.setItem("WMELiveMapAlerts", JSON.stringify(options));
        }
    }
    window.addEventListener("beforeunload", saveLMAOOptions, false);
    
    
    LiveMapAlerts_Layer = new OL.Layer.Vector("LiveMap Alerts",{
            rendererOptions: { zIndexing: true }, 
     		uniqueName: 'livemap_alerts'
        }          
    ); 
    
    function showAlertPopup(f){
        var attributes = f.attributes;
        
        var alertType = ((attributes.type == "WEATHERHAZARD") ? "HAZARD" : attributes.type);
        var alertSubType = ((attributes.subtype == null) ? "" : attributes.subtype);
        var alertDescription = ((attributes.description == null) ? "" : attributes.description);
        var alertStreet = ((attributes.street == null) ? "" : attributes.street);
        var alertCity = ((attributes.city == null) ? "" : attributes.city);
        var alertNear = ((attributes.near == null) ? "" : attributes.near);
        var alertReportBy = ((attributes.reportby == null) ? "" : attributes.reportby);
        
        var reportDetail = "<b>LiveMap Alert Details</b>"
        	+ "<br>TYPE: " + alertType
        	+ "<br>SUBTYPE: " + alertSubType
        	+ "<br>DESCRIPTION: " + alertDescription
        	+ "<br>STREET: " + alertStreet
        	+ "<br>CITY: " + alertCity
        	+ "<br>NEAR: " + alertNear
        	+ "<br>REPORT BY: " + alertReportBy
        ;
        document.getElementById("divLMAO").innerHTML = reportDetail;
        divLMAO.style.visibility = 'visible';
    };
    
    function hideAlertPopup(){
        divLMAO.style.visibility = 'hidden';
    };
        

    LiveMapAlerts_Layer.setZIndex(9999);
    Waze.map.addLayer(LiveMapAlerts_Layer);
    Waze.map.addControl(new OL.Control.DrawFeature(LiveMapAlerts_Layer, OL.Handler.Path));
    

    divLMAO = document.createElement('div');
    divLMAO.id = "divLMAO";
    divLMAO.style.position = 'absolute';
    divLMAO.style.visibility = 'hidden';
    divLMAO.style.top = '175px';
    divLMAO.style.left = '375px';
    divLMAO.style.zIndex = 1000;
    divLMAO.style.backgroundColor = 'aliceblue';
    divLMAO.style.borderWidth = '3px';
    divLMAO.style.borderStyle = 'ridge';
    divLMAO.style.borderRadius = '10px';
    divLMAO.style.boxShadow = '5px 5px 10px Silver';
    divLMAO.style.padding = '4px';
    document.body.appendChild(divLMAO);
    
    
    //clear existing LMAO features 
    LiveMapAlerts_Layer.destroyFeatures();
    
    var lmaoLayer = null;
    for(i=0; i<Waze.map.layers.length; i++)
      {
         if(Waze.map.layers[i].uniqueName == 'livemap_alerts') lmaoLayer = i;
      }
    //console.log('WME LMAO: layer number = ' + lmaoLayer);
    
    
    Waze.map.events.register("mousemove", Waze.map, function(e) {
        hideAlertPopup();
        var position = this.events.getMousePosition(e);
        console.log('WME LMAO: coords xy = ' + position.x + ' ' + position.y);
                
        if(Waze.map.layers[lmaoLayer].features.length > 0){

            var alertCount = Waze.map.layers[lmaoLayer].features.length;
            console.log('WME LMAO: Current LiveMap alert count = ' + alertCount);
            
            var alertFeatures = Waze.map.layers[lmaoLayer];
            for(j=0; j<Waze.map.layers[lmaoLayer].features.length; j++){
                
                var alertX = alertFeatures.features[j].attributes.pixel.x;
                var alertY = alertFeatures.features[j].attributes.pixel.y;
                if(position.x > alertX - 10 && position.x < alertX + 10 && position.y > alertY - 10 && position.y < alertY + 10){
                	console.log('WME LMAO: hover over alert');
                    showAlertPopup(alertFeatures.features[j]);
                }
            }
        }
    });        
    
    window.setTimeout(getLiveMapAlerts(), 500);
    //window.setInterval(getLiveMapAlerts(), 60000); //refresh every minute
    
    //refresh if user moves map
    Waze.map.events.register("moveend", Waze.map, getLiveMapAlerts);
    
    window.setTimeout(getLiveMapAlerts(), 500);

}

//--------------------------------------------------------------------------------------------------------------
bootstrapLiveMapAlerts();

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