<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
			   xmlns:s="library://ns.adobe.com/flex/spark"
			   xmlns:mx="library://ns.adobe.com/flex/mx"
			   xmlns:esri="http://www.esri.com/2008/ags" minWidth="955" minHeight="600"
			   initialize="application1_initializeHandler(event)">
	<fx:Script>
		<![CDATA[
			import com.esri.ags.FeatureSet;
			import com.esri.ags.Graphic;
			import com.esri.ags.events.DrawEvent;
			import com.esri.ags.events.MapMouseEvent;
			import com.esri.ags.events.ServiceAreaEvent;
			import com.esri.ags.tasks.QueryTask;
			import com.esri.ags.tasks.supportClasses.Query;

			import mx.controls.Alert;
			import mx.events.FlexEvent;
			import mx.rpc.AsyncResponder;
			import mx.rpc.events.FaultEvent;


			[Bindable]private var facilities:FeatureSet;

			protected function popDrawTool_drawEndHandler(event:DrawEvent):void
			{
				var myQueryTask:QueryTask= new QueryTask;
				var myQuery:Query= new Query();
				myQueryTask.showBusyCursor=true;
				myQueryTask.url="http://52.4.221.163:6080/arcgis/rest/services/PopulationService/MapServer/0";
				var myQueryTask:QueryTask= new QueryTask;
				var myQuery:Query= new Query();
				myQueryTask.showBusyCursor=true;
				myQueryTask.url="http://52.4.221.163:6080/arcgis/rest/services/PopulationService/MapServer/0";
				myQueryTask.useAMF=false;
				myQuery.outSpatialReference=myMap.spatialReference;
				myQuery.returnGeometry=true;
				myQuery.geometry=event.graphic.geometry;
				myQuery.outFields = ["ID", "STATE_NAME", "TOTPOP10", "x2001_X", "x1128_X" ]; //** NOTE this only brings 2 fields from the layer, if you want more fields you have to include them here

				myQueryTask.execute(myQuery, new AsyncResponder(onResult, onFault));
				// TODO Auto-generated method stub
				function onResult(featureSet:FeatureSet, token:Object = null):void
				{
					var myTotal:int = 0;
					popQueryGraphicsLayer.clear();

					for each (var myGraphic:Graphic in featureSet.features)
					{

					}

				}

				function onFault(info:Object, token:Object = null):void
				{
					Alert.show(info.toString(), "Query Problem");
				}// end func
			}
			protected function application1_initializeHandler(event:FlexEvent):void
			{
				// TODO Auto-generated method stub
				popDrawTool.activate(DrawTool.POLYGON);
			}

			protected function myMap_mapClickHandler(event:MapMouseEvent):void
			{
				// TODO Auto-generated method stub
				// clear existing graphics on each map click
				if (facilitiesGraphicsLayer.numChildren > 0)
				{
					facilitiesGraphicsLayer.clear();
				}
				if (popQueryGraphicsLayer.numChildren > 0)
				{
					popQueryGraphicsLayer.clear();
				}

				facilities = new FeatureSet([]);

				var facility:Graphic = new Graphic(event.mapPoint);
				facilitiesGraphicsLayer.add(facility);

				facilities.features.push(facility);
				saParams.facilities = facilities;

				saTask.solve(saParams);
			}
			private function solveCompleteHandler(event:ServiceAreaEvent):void
			{
				// loop through service area polygons
				for (var i:int = 0; i < event.serviceAreaSolveResult.serviceAreaPolygons.length; i++)
				{
					var polygonGraphic:Graphic = event.serviceAreaSolveResult.serviceAreaPolygons[i];
					polygonGraphic.toolTip = polygonGraphic.attributes.Name;
					popQueryGraphicsLayer.add(polygonGraphic);

				}

			}

			private function faultHandler(event:FaultEvent):void
			{
				Alert.show(event.toString());
				facilitiesGraphicsLayer.clear();
			}
		]]>
	</fx:Script>
	<fx:Declarations>
		<!-- Place non-visual elements (e.g., services, value objects) here -->
		<esri:Extent id="MyExtent" xmin="-13042947" ymin="3856278" xmax="-13041347" ymax="3857116">
			<esri:SpatialReference wkid="102100"/>
		</esri:Extent>
		<esri:DrawTool id="popDrawTool"  fillSymbol="{sfs2}" showDrawTips="false"
					   drawStart="popQueryGraphicsLayer.clear();"
					   drawEnd="popDrawTool_drawEndHandler(event)"
					   graphicsLayer="{popQueryGraphicsLayer}"  map="{myMap}"/>
		<esri:SimpleFillSymbol id="sfs2" color="#000000" style="solid">
			<esri:outline> <esri:SimpleLineSymbol width="2" color="#FF0000"/> </esri:outline>
		</esri:SimpleFillSymbol>
		<esri:ServiceAreaTask id="saTask"
							  concurrency="last"
							  fault="faultHandler(event)"
							  requestTimeout="30"
							  showBusyCursor="true"
							  solveComplete="solveCompleteHandler(event)"
							  url="http://sampleserver6.arcgisonline.com/arcgis/rest/services/NetworkAnalysis/SanDiego/NAServer/ServiceArea"/>
		<esri:ServiceAreaParameters id="saParams"
									defaultBreaks="{[1]}"
									impedanceAttribute="TravelTime"
									outSpatialReference="{myMap.spatialReference}"
									restrictionAttributes="{['Avoid Gates','Avoid Private Roads','Avoid Unpaved Roads','Divider Restriction','Driving an Automobile','Oneway','Through Traffic Prohibited']}"
									returnFacilities="false"/>
	</fx:Declarations>

	<esri:Map id="myMap" extent="{MyExtent}">
		<esri:ArcGISTiledMapServiceLayer url="http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" />
		<esri:GraphicsLayer id="popQueryGraphicsLayer"/>
		<esri:GraphicsLayer id="facilitiesGraphicsLayer"/>
	</esri:Map>

</s:Application>