Better_Map_Widget-CDN.html

<!--
	Better Map Widget
	Version 1.27 - CDN Version
	Developed by Kevin Ford

	Some of the ideas behind this project:
	* Support for thousands pins on the map, though be aware that Google Maps will start to struggle if too many pins.
	* Adjacent pins get grouped/clustered together for a cleaner map display.
	* Clusters use a donut chart to represent the severities of the grouped markers.
	* Easy toggling of weather layers.
	* Display more information when clicking a marker.
	* Quick & easy filtering of what's displayed on the map.
	* Provide a way to plot connections between resources (and eventually groups).

	Prerequisites:
	* The user needs "View" permissions to the dashboard plus any displayed groups and/or resources.
	* Group's or resources with valid addresses set in the usual 'location' property.

	TO USE:
	1. Create a new Text widget to the dashboard.
	2. On the Text widget's edit dialog, click the "Source" button and paste in the contents of this script, then save the widget.
	3. At this point the widget should be ready to use. You can customize the defaults for the widget either via dashboard tokens or by changing variables here within the script.
	   For instance, the script defaults to using "*" for the group filter. You can change the default by setting a "MapGroupPathFilter" dashboard token, or by hard-coding it in the script's "groupPathFilter" variable below.
	   NOTE: defaults set via dashboard tokens will take precedence over those hard-coded in the script.

	OPTIONAL DASHBOARD TOKENS:
	* 'MapGroupPathFilter': Allows setting a default group path to start. Default is "*".
	* 'MapLocationProperty': The property to use for the location of the items on the map. Default is "location".
	* 'MapMarkerStyle': The style of marker to use for the items on the map. Options are "pins" or "circles". Legacy values "default", "pin", "dot", "dots", and "circle" are also accepted. Default is "pins".
	* 'MapShowWeather': If weather should be shown by default. Options are "global", "nexrad", "openweather", or "xweather". Default is "no".
	* 'OpenWeatherAPIKey': API key for OpenWeather radar tiles (required when using "openweather" weather option).
	* 'XweatherAPIID': API ID for Xweather radar tiles (required when using "xweather" weather option).
	* 'XweatherAPIKey': API secret for Xweather radar tiles (required when using "xweather" weather option).
	* 'MapOverlayOption': Which optional overlay to default to when weather is shown. Options are "wildfires", "us-wildfires", "outages", "us-poweroutages", "us-flooding" or "earthquakes". Default is "earthquakes".
	* 'HideMapOptions': If "true" then will hide the options bar by default. Default is "false".
	* 'ShowMapSidebar': If "true" then will show the sidebar by default. Default is "false".
	* 'MapSourceType': Whether to map "groups", "resources", or "services". Default is "groups".
	* 'MapIgnoreCleared': If "true" then will only show items currently alerting (useful for maps with thousands of markers). Default is "false".
	* 'MapIgnoreWarnings': If "true" then won't show items in "Warning" status. Default is "false".
	* 'MapIgnoreErrors': If "true" then won't show items in "Error" status. Default is "false".
	* 'MapIgnoreCriticals': If "true" then won't show items in "Critical" status. Default is "false".
	* 'MapIgnoreSDT': If "true" then won't show items in "SDT" status. Default is "false".
	* 'MapOnlyShowConnectedItems': If "true" then will only show items that participate in active map connections. Default is "false".
	* 'MapShowConnectingLines': If "false" then will hide status lines between connected endpoints. Default is "true".
	* 'AutoResetMapOnRefresh': If "true" then the map will automatically zoom to encompass all items on timed refreshes. Default is "false".
	* 'MapShowTiltControls': If "true" then the tilt & rotation controls for the map will be shown. Default is "false".
	* 'MapDisableClustering': If "true" then clustering of adjacent markers on the map will be disabled. Might be desirable if showing connections between locations since clustering might hide markers at certain zoom levels. Default is "false".
	* 'MapConnectionCurvature': Screen-pixel offset used to separate parallel connection lines between the same endpoints. Set to 0 for straight lines. Default is 18.
	* 'MapUseGeodesicLines': If "false" then connection lines are drawn as straight Mercator lines instead of great circles. Default is "true".
	* 'MapDisplayProperties': An optional comma-delimited list of custom properties to show when viewing a group's/resource's details.
	* 'MapStyle': Allows one of the following available map style options: "silver", "standard", "dark", "aubergine", "satellite", or "silverblue". Default is "silverblue".
	* 'MapShowRoadLabels': If "true" then road labels will be shown on the map. Default is "false".
	* 'apiBearerToken', or 'apiID' + 'apiKey': Optional LogicMonitor API bearer token or API ID & key to use for the widget. If not specified then the widget will use integrated portal authentication.

	LIMITATIONS:
	* This widget is currently unable to leverage LogicMonitor's native dashboard filters.
	* Being custom-developed, LogicMonitor's support teams will be limited in what they can assist with regarding questions/issues.
-->

<!-- Here you can change specific defaults for the map. Many of these can be overridden via the dashboard tokens mentioned above. -->
	<script data-better-map-defaults>
		(function(script) {
			var registry = window.__betterMapWidgetRegistry = window.__betterMapWidgetRegistry || { instances: Object.create(null) };
			registry.pendingDefaults = registry.pendingDefaults || [];
			// Edit the values after the colons below. Dashboard tokens still take precedence.
			var defaults = {
	// Optional: You can specify a LogicMonitor API bearer token or API ID & key to use for the widget...
	apiBearerToken: "",
	lmAPIID: "",
	lmAPIKey: "",

	// Whether we're plotting "groups" or "resources" or "services" (strongly recommend staying with groups or services)...
	// You can either set it here or in a dashboard token named 'MapSourceType'...
	mapSourceType: "groups",

	// The property to use for the location of the items on the map. Default is "location"...
	// You can either set it here or in a dashboard token named 'MapLocationProperty'...
	mapLocationProperty: "location",

	// Preferred map style. Available options: "silver" (the default), "standard", "dark", "aubergine", "silverblue", "satellite", or "satellite-light"...
	mapStyle: "silverblue",

	// Whether to ignore items with no active alerts (useful for maps with thousands of markers)...
	// You can either set it here or in a dashboard token named 'MapIgnoreCleared'...
	showCleared: true,
	showWarnings: true,
	showErrors: true,
	showCriticals: true,
	showSDT: true,
	showOnlyConnected: false,
	showConnections: true,

	// Capture if a group filter...
	// You can set it here or in a dashboard token named "MapGroupPathFilter"...
	groupPathFilter: "*",

	// Interval for updating group status data (in minutes)...
	statusUpdateIntervalMinutes: 2,

	// Flag to disable marker clustering if needed...
	disableClustering: false,

	// Whether to show weather by default. Options are: "no", "global", "nexrad", "openweather", "xweather"...
	// You can set it here or in a dashboard token named "MapShowWeather"...
	showWeatherDefault: "no",

	// If weather is shown, whether to show "wildfires" or "us-wildfires" or "outages" or "us-poweroutages" or "us-flooding" or "earthquakes"...
	// You can set it here or in a dashboard token named "MapOverlayOption"...
	additionalOverlayOption: "earthquakes",

	// Whether to show or hide the map options along the top of the widget by default...
	// You can set it here or in a dashboard token named "HideMapOptions"...
	hideMapOptionsByDefault: false,

	// Whether to show the map sidebar by default...
	// You can set it here or in a dashboard token named "ShowMapSidebar"...
	showMapSidebarByDefault: false,

	// Whether to automatically center the map to encompass all items during timed refreshes...
	// You can set it here or in a dashboard token named "AutoResetMapOnRefresh"...
	autoResetMapOnRefresh: false,

	// When true will not refresh the data on a timed interval (useful ONLY during development)...
	developmentFlag: false,

	// Since we generally don't need to poll all properties every time, we can just grab them initially then occasionally every x number of polls based on the following variable (set to 0 to perform a full refresh every time)...
	fullRefreshInterval: 0,

	// Optional angle & heading for the Google Map...
	showMapTiltControls: false,
	mapTilt: 0,
	mapHeading: 0,

	// Whether to include inherited locations in addition to those directly set on resources and/or services (disabling this can greatly increase refresh speed)...
	pollInheritedLocations: true,

	// Typically if both a 'latitude' & 'longitude' property are set, then we can assume the address is already geocoded. Set this to "true" to force geocoding the address instead...
	ignoreLatLongProps: false,

	// Whether the Google Maps uses the "cooperative" gesture handling, or "greedy" that allows mouse-wheel zooming without having to hold a modifier key (Google's default is "cooperative")...
	mapGestureHandling: "cooperative",
	// Whether to show road labels...
	showRoadLabels: "off",

	// An optional comma-delimited list of custom properties to show when viewing a group's/resource's details...
	// You can set it here or in a dashboard token named "MapDisplayProperties"...
	displayProps: "",

	// Property to look for connecting information in...
	connectionInfoProp: "auto.custom_map_connection_data",
	// Stroke weight of connecting lines...
	connectingLineWeight: 3,
	// Whether to use geodesic (great circle) lines when connecting two locations...
	// You can set it here or in a dashboard token named "MapUseGeodesicLines"...
	useGeodesicLines: true,

	// OpenWeather API key (required for OpenWeather radar)...
	// You can set it here or in a dashboard token named "OpenWeatherAPIKey"...
	openWeatherAPIKey: "",

	// Xweather API credentials (required for Xweather radar)...
	// You can set them here or in dashboard tokens named "XweatherAPIID" and "XweatherAPIKey"...
	xweatherAPIID: "",
	xweatherAPIKey: "",

	// Default opacity for weather layers...
	weatherOpacity: 0.35,
	// Default opacity for satellite weather layers...
	satelliteWeatherOpacity: 0.6,
	// Color scheme for the "global" weather option...
	// See https://rainviewer.com/api/color-schemes.html for color scheme options (values are 0-8)...
	rvOptionColorScheme: 8,
	// Weather refresh interval in minutes...
	weatherRefreshMinutes: 5,
	// Whether to display details about a wildfire on "click" or "mouseover"...
	showWildfireInfoEvent: "click",
		// Whether the opacity of an earthquake's icon reflects "time" since the event, or "magnitude"...
		quakeMode: "time"
			};
			if (script) {
				script.__betterMapDefaults = defaults;
			} else {
				registry.pendingDefaults.push(defaults);
			}
		})(document.currentScript);
	</script>

<!-- Load our Javascript from the CDN... -->
<!-- <script>document.write('<script src="https://cdn.jsdelivr.net/gh/logicmonitor/custom_widgets@main/src/Better_Map_Widget.js?ts=' + Date.now() + '" defer><\/script>');</script> -->

<!-- Load our CSS styles from the CDN... -->
<!-- <script>document.write('<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/logicmonitor/custom_widgets@main/src/Better_Map_Widget.css?ts=' + Date.now() + '" />');</script> -->

<!-- Our main widget body... -->
<div class="customMapBody">&nbsp;</div>

<!-- Area for capturing dashboard tokens... -->
<div id="tokenCaptureArea" style="display: none;">
	<div id="mapSourceTypeToken">##MapSourceType##</div>
	<div id="mapLocationPropertyToken">##MapLocationProperty##</div>
	<div id="mapStyleToken">##MapStyle##</div>
	<div id="hideMapOptionsByDefaultToken">##HideMapOptions##</div>
	<div id="showMapSidebarByDefaultToken">##ShowMapSidebar##</div>
	<div id="ignoreClearedToken">##MapIgnoreCleared##</div>
	<div id="ignoreWarningsToken">##MapIgnoreWarnings##</div>
	<div id="ignoreErrorsToken">##MapIgnoreErrors##</div>
	<div id="ignoreCriticalsToken">##MapIgnoreCriticals##</div>
	<div id="ignoreSDTToken">##MapIgnoreSDT##</div>
	<div id="onlyShowConnectedToken">##MapOnlyShowConnectedItems##</div>
	<div id="showConnectingLinesToken">##MapShowConnectingLines##</div>
	
	<div id="showMapTiltControlsToken">##MapShowTiltControls##</div>
	<div id="autoResetMapOnRefreshToken">##AutoResetMapOnRefresh##</div>
	<div id="dashboardGroupPathToken">##MapGroupPathFilter##</div>
	<div id="dashboardShowWeatherToken">##MapShowWeather##</div>
	<div id="openWeatherAPIKeyToken">##OpenWeatherAPIKey##</div>
	<div id="xweatherAPIIDToken">##XweatherAPIID##</div>
	<div id="xweatherAPIKeyToken">##XweatherAPIKey##</div>
	<div id="dashboardAddlOverlayToken">##MapOverlayOption##</div>
	<div id="displayPropsToken">##MapDisplayProperties##</div>
	<div id="disableClusteringToken">##MapDisableClustering##</div>
	<div id="showRoadLabelsToken">##MapShowRoadLabels##</div>
	<div id="apiBearerTokenToken">##apiBearerToken##</div>
	<div id="apiIDToken">##apiID##</div>
	<div id="apiKeyToken">##apiKey##</div>
	<div id="markerStyleToken">##MapMarkerStyle##</div>
	<div id="connectionCurvatureToken">##MapConnectionCurvature##</div>
	<div id="useGeodesicLinesToken">##MapUseGeodesicLines##</div>
</div>

<!-- If used as an embedded widget outside a normal LM dashboard then trying to load Google's marker clustering script externally breaks due to XSS, so I'm embedding the entire script here. Normally we would load this from https://unpkg.com/@googlemaps/markerclusterer@2.6.2/dist/index.min.js.-->
<script>
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s=o-n+1,a=e-n+1,u=Math.log(s),c=.5*Math.exp(2*u/3),f=.5*Math.sqrt(u*c*(s-c)/s)*(a-s/2<0?-1:1);oi(t,r,e,Math.max(n,Math.floor(e-a*c/s+f)),Math.min(o,Math.floor(e+(s-a)*c/s+f)),i)}const s=r[2*e+i];let a=n,u=o;for(ii(t,r,n,e),r[2*o+i]>s&&ii(t,r,n,o);a<u;){for(ii(t,r,a,u),a++,u--;r[2*a+i]<s;)a++;for(;r[2*u+i]>s;)u--}r[2*n+i]===s?ii(t,r,n,u):(u++,ii(t,r,u,o)),u<=e&&(n=u+1),e<=u&&(o=u-1)}}function ii(t,r,e,n){si(t,e,n),si(r,2*e,2*n),si(r,2*e+1,2*n+1)}function si(t,r,e){const n=t[r];t[r]=t[e],t[e]=n}function ai(t,r,e,n){const o=t-e,i=r-n;return o*o+i*i}const ui={minZoom:0,maxZoom:16,minPoints:2,radius:40,extent:512,nodeSize:64,log:!1,generateId:!1,reduce:null,map:t=>t},ci=Math.fround||(fi=new Float32Array(1),t=>(fi[0]=+t,fi[0]));var fi;class li{constructor(t){this.options=Object.assign(Object.create(ui),t),this.trees=new Array(this.options.maxZoom+1),this.stride=this.options.reduce?7:6,this.clusterProps=[]}load(t){const{log:r,minZoom:e,maxZoom:n}=this.options;r&&console.time("total 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Object.assign(s,{cluster:!0,cluster_id:t[r+3],point_count:n,point_count_abbreviated:o})}function mi(t){return t/360+.5}function di(t){const r=Math.sin(t*Math.PI/180),e=.5-.25*Math.log((1+r)/(1-r))/Math.PI;return e<0?0:e>1?1:e}function gi(t){const r=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(r))/Math.PI-90}class vi extends Gn{constructor(t){var{maxZoom:r,radius:e=60}=t,n=Tn(t,["maxZoom","radius"]);super({maxZoom:r}),this.markers=[],this.clusters=[],this.state={zoom:-1},this.superCluster=new li(Object.assign({maxZoom:this.maxZoom,radius:e},n))}calculate(t){let r=!1,e=t.map.getZoom();Dn(e),e=Math.round(e);const n={zoom:e};if(!Qo(t.markers,this.markers)){r=!0,this.markers=[...t.markers];const e=this.markers.map(t=>{const r=Zn.getPosition(t);return{type:"Feature",geometry:{type:"Point",coordinates:[r.lng(),r.lat()]},properties:{marker:t}}});this.superCluster.load(e)}return 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n.apply(e,arguments)}),yi}(),u=d(),c=TypeError,f=u(function(){[].keys().reduce(function(){},void 0)}),l=!f&&s("reduce",c);return t({target:"Iterator",proto:!0,real:!0,forced:f||l},{reduce:function(t){n(this);try{e(t)}catch(t){i(this,"throw",t)}var s=arguments.length<2,u=s?void 0:arguments[1];if(l)return a(l,this,s?[t]:[t,u]);var f=o(this),h=0;if(r(f,function(r){s?(s=!1,u=r):u=t(u,r,h),h++},{IS_RECORD:!0}),s)throw new c("Reduce of empty iterator with no initial value");return u}}),xi}Ei||(Ei=1,Mi());class Oi{constructor(t,r){this.markers={sum:t.length};const e=r.map(t=>t.count),n=e.reduce((t,r)=>t+r,0);this.clusters={count:r.length,markers:{mean:n/r.length,sum:n,min:Math.min(...e),max:Math.max(...e)}}}}class Pi{render(t,r,e){let{count:n,position:o}=t;const i=`<svg fill="${n>Math.max(10,r.clusters.markers.mean)?"#ff0000":"#0000ff"}" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 240 240" width="50" height="50">\n<circle cx="120" cy="120" opacity=".6" r="70" />\n<circle cx="120" cy="120" opacity=".3" r="90" />\n<circle cx="120" cy="120" opacity=".2" r="110" />\n<text x="50%" y="50%" style="fill:#fff" text-anchor="middle" font-size="50" dominant-baseline="middle" font-family="roboto,arial,sans-serif">${n}</text>\n</svg>`,s=`Cluster of ${n} markers`,a=Number(google.maps.Marker.MAX_ZINDEX)+n;if(Zn.isAdvancedMarkerAvailable(e)){const t=(new DOMParser).parseFromString(i,"image/svg+xml").documentElement;t.setAttribute("transform","translate(0 25)");const r={map:e,position:o,zIndex:a,title:s,content:t};return new google.maps.marker.AdvancedMarkerElement(r)}const u={position:o,zIndex:a,title:s,icon:{url:`data:image/svg+xml;base64,${btoa(i)}`,anchor:new google.maps.Point(25,25)}};return new google.maps.Marker(u)}}class Ci{constructor(){!function(t,r){for(let e in r.prototype)t.prototype[e]=r.prototype[e]}(Ci,google.maps.OverlayView)}}t.MarkerClustererEvents=void 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this.clusters=[],r.forEach(t=>{this.addToClosestCluster(t,e,n)}),this.clusters}addToClosestCluster(t,r,e){let n=this.maxDistance,o=null;for(let r=0;r<this.clusters.length;r++){const e=this.clusters[r];Dn(e.bounds);const i=Bn(e.bounds.getCenter().toJSON(),Zn.getPosition(t).toJSON());i<n&&(n=i,o=e)}if(o)if(Dn(o.bounds),Nn(o.bounds,e,this.gridSize).contains(Zn.getPosition(t)))o.push(t);else{const r=new zn({markers:[t]});this.clusters.push(r)}else{const r=new zn({markers:[t]});this.clusters.push(r)}}},t.MarkerClusterer=class extends Ci{constructor(t){let{map:r,markers:e=[],algorithmOptions:n={},algorithm:o=new vi(n),renderer:i=new Pi,onClusterClick:s=Si}=t;super(),this.map=null,this.idleListener=null,this.markers=[...e],this.clusters=[],this.algorithm=o,this.renderer=i,this.onClusterClick=s,r&&this.setMap(r)}addMarker(t,r){this.markers.includes(t)||(this.markers.push(t),r||this.render())}addMarkers(t,r){t.forEach(t=>{this.addMarker(t,!0)}),r||this.render()}removeMarker(t,r){const e=this.markers.indexOf(t);return-1!==e&&(Zn.setMap(t,null),this.markers.splice(e,1),r||this.render(),!0)}removeMarkers(t,r){let e=!1;return t.forEach(t=>{e=this.removeMarker(t,!0)||e}),e&&!r&&this.render(),e}clearMarkers(t){this.markers.length=0,t||this.render()}render(){const r=this.getMap();if(r instanceof google.maps.Map&&r.getProjection()){google.maps.event.trigger(this,t.MarkerClustererEvents.CLUSTERING_BEGIN,this);const{clusters:e,changed:n}=this.algorithm.calculate({markers:this.markers,map:r,mapCanvasProjection:this.getProjection()});if(n||null==n){const t=new Set;for(const r of e)1==r.markers.length&&t.add(r.markers[0]);const r=[];for(const e of this.clusters)null!=e.marker&&(1==e.markers.length?t.has(e.marker)||Zn.setMap(e.marker,null):r.push(e.marker));this.clusters=e,this.renderClusters(),requestAnimationFrame(()=>r.forEach(t=>Zn.setMap(t,null)))}google.maps.event.trigger(this,t.MarkerClustererEvents.CLUSTERING_END,this)}}onAdd(){const t=this.getMap();Dn(t),this.idleListener=t.addListener("idle",this.render.bind(this)),this.render()}onRemove(){this.idleListener&&google.maps.event.removeListener(this.idleListener),this.reset()}reset(){this.markers.forEach(t=>Zn.setMap(t,null)),this.clusters.forEach(t=>t.delete()),this.clusters=[]}renderClusters(){const r=new Oi(this.markers,this.clusters),e=this.getMap();this.clusters.forEach(n=>{if(1===n.markers.length)n.marker=n.markers[0];else if(n.marker=this.renderer.render(n,r,e),n.markers.forEach(t=>Zn.setMap(t,null)),this.onClusterClick){const r=Zn.isAdvancedMarker(n.marker)?t.MarkerClustererEvents.GMP_CLICK:t.MarkerClustererEvents.CLUSTER_CLICK;n.marker.addListener(r,r=>{google.maps.event.trigger(this,t.MarkerClustererEvents.CLUSTER_CLICK,n),this.onClusterClick(r,n,e)})}Zn.setMap(n.marker,e)})}},t.MarkerUtils=Zn,t.NoopAlgorithm=class extends Gn{constructor(t){super(Tn(t,[]))}calculate(t){let{markers:r,map:e,mapCanvasProjection:n}=t;return{clusters:this.cluster({markers:r,map:e,mapCanvasProjection:n}),changed:!1}}cluster(t){return this.noop(t)}},t.SuperClusterAlgorithm=vi,t.SuperClusterViewportAlgorithm=class extends Hn{constructor(t){var{maxZoom:r,radius:e=60,viewportPadding:n=60}=t,o=Tn(t,["maxZoom","radius","viewportPadding"]);super({maxZoom:r,viewportPadding:n}),this.markers=[],this.clusters=[],this.superCluster=new li(Object.assign({maxZoom:this.maxZoom,radius:e},o)),this.state={zoom:-1,view:[0,0,0,0]}}calculate(t){const r=this.getViewportState(t);let e=!Qo(this.state,r);if(!Qo(t.markers,this.markers)){e=!0,this.markers=[...t.markers];const r=this.markers.map(t=>{const r=Zn.getPosition(t);return{type:"Feature",geometry:{type:"Point",coordinates:[r.lng(),r.lat()]},properties:{marker:t}}});this.superCluster.load(r)}return e&&(this.clusters=this.cluster(t),this.state=r),{clusters:this.clusters,changed:e}}cluster(t){const 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