jsapi4x/index.html at master · hnasr/jsapi4x · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>IGeometry</title>
	<script src = 'https://js.arcgis.com/4.9/init.js'></script>
	<script src = 'toc.js'></script>
	<script src = 'attributetable.js'></script>
	<link rel = "stylesheet" href = "https://js.arcgis.com/4.9/esri/css/main.css">
</head>
<body>
ArcGIS Server Url: <input id = 'txtArcGISServerUrl' style = 'width:500px' value = 'https://sampleserver6.arcgisonline.com/arcgis/rest/services'> <button id = 'btnLoadService'>Load Service</button><br/>
Service: <select id = 'lstservices'></select><br>
Basemap: <select id = 'buttons'></select>
Use Current Extent: <input type = 'checkbox' checked id = 'chkExtent'>
<table border = 1>
	<tr>
		<td valign = top>
			<div id = 'toc'>

			</div>
		</td>
		<td>
			<div id = 'mapview' style='width:700px;height:500px'></div>
		</td>
	</tr>
	<tr>
		<td colspan = 2><div id = 'pages'>PAGES GOES HERE</div></td>
	</tr>
	<tr>
		<td colspan = 2><div id = 'attributetable'>ATTRIBUTE TABLE</div></td>
	</tr>
</table>


<script>
let mapview;
let map;
let layer;
let r;
let Request;
let selectedService;
let Graphic;
const DEFAULT_BASEMAP = "streets"
const DEFAULT_SERVICE = "USA" //"Water_Network"
const DEFAULT_PAGE_SIZE = 25;
const DEFAULT_USE_EXTENT = true;
const DEFAULT_SET_PAGE_SIZE = 10;
//second commit
require (["esri/Map",
		 "esri/views/MapView",
		 "esri/request",
		 "esri/layers/MapImageLayer",
		 "esri/widgets/Legend",
		 "esri/widgets/Search",
		 "esri/Graphic"],
		function(Map,
			MapView,
			esriRequest,
			MapLayer,
			Legend,
			Search,
			GraphicClass)
		{
			 Request= esriRequest;
			 Graphic = GraphicClass;
			 generateBasemaps();

			 map = new Map({basemap:DEFAULT_BASEMAP})

			 let viewoptions = {container: "mapview", map: map,
			 center: [-117.1616394868625, 32.7127455035969], scale: 10000}

		     mapview = new MapView(viewoptions);
		     mapview.useExtent = DEFAULT_USE_EXTENT;
		     let legend = new Legend({view: mapview});
		     mapview.ui.add(legend, "bottom-left");

		     let search = new Search({view: mapview});
		     mapview.ui.add(search, "top-left");

		     //query the sample server and list all map services in a dropdown
		     populateMapServices();

		     //populate the drop downlist of mapservices

		    function populateMapServices (){


		     let url = document.getElementById("txtArcGISServerUrl").value; //"https://sampleserver6.arcgisonline.com/arcgis/rest/services?f=json";
			 url = url + "?f=json"
		     let options = {responseType: "json"};

		     Request(url, options).then
		     	(
	     		response =>
	     		{

			     	let result = response.data;
			     	let lstservices = document.getElementById("lstservices");
			     	//set event listener on change
			     	lstservices.addEventListener("change", onChangeServiceMap);
					//set event on checkbox
					const chkExtent = document.getElementById("chkExtent");
					chkExtent.checked = DEFAULT_USE_EXTENT;
				    chkExtent.addEventListener("change", e => onChangeExtentStatus())
			     	for (let i = 0; i< result.services.length; i++)
			     	{
						if (result.services[i].type === "MapServer") {

			     		let option = document.createElement("option");
			     		option.textContent = result.services[i].name;
			     		if (DEFAULT_SERVICE == result.services[i].name) option.selected=true;
			     		lstservices.appendChild(option);

						}
			     		//alert(result.services[i].name);
			     	}
			     	onChangeServiceMap();
	     		}

		     	);

		     }


			function onChangeExtentStatus()
			{

				if (mapview != undefined)
					mapview.useExtent =  document.getElementById("chkExtent").checked;

			}
			function onChangeServiceMap()
			{

			    selectedService = lstservices.options[lstservices.selectedIndex].textContent;
				let url = document.getElementById("txtArcGISServerUrl").value;
				//add layer
				layer = new MapLayer({url: url + "/" + selectedService + "/MapServer"})

				map.removeAll();
				map.add(layer);

				//wait until the layer is loaded.
				layer.when(buildToc);
			}


			//setup events
			let btnLoad = document.getElementById("btnLoadService");
			btnLoad.addEventListener("click", function () {
				populateMapServices();

			})

		}
		);


function projectandZoom(fullExtent) {
	let url = "https://sampleserver6.arcgisonline.com/arcgis/rest/services/Utilities/Geometry/GeometryServer/project";

	let options = {
			responseType: "json",
				query: {
					f: "json",
					inSR: JSON.stringify(fullExtent.spatialReference),
					outSR: 4326,
					geometries: JSON.stringify({
							"geometryType" : "esriGeometryPoint",
							"geometries" : [
							{"x" : fullExtent.xmin, "y" : fullExtent.ymin},
							{"x" : fullExtent.xmax, "y" : fullExtent.ymax}
							]
							})
				}
			};

 Request(url, options)
 .then (response => {
	 let fe = {}
	 let d = response.data;
	 fe.xmin = d.geometries[0].x;
	 fe.ymin = d.geometries[0].y;
	 fe.xmax = d.geometries[1].x;
	 fe.ymax = d.geometries[1].y;
	 fe.spatialReference = 4326;
	 mapview.extent = fe;
 })
 .catch (err=> alert(err))


}

function buildToc()
{
	//create table of content
	let toc = new Toc (layer, "toc", mapview);
	projectandZoom(layer.fullExtent);
	//mapview.goTo(layer.fullExtent)
}


function drawGeometry (geometry, cleanup=true) {

	let g;
	let s;

	//it is a line
	if (geometry.paths != undefined)
	{

		g = {
			type: "polyline",
			paths: geometry.paths
		}

		s = {
			type: "simple-line",
			cap: "round",
			color: [255,0,0,0.5],
			width: 7,
			style: "solid"
		}

	} //it is a polygon
	else if (geometry.rings != undefined)
	{


		g = {
			type: "polygon",
			rings: geometry.rings
		}

		s = {
			type: "simple-fill",
			color: [255,0,0,0.5],
			style: "backward-diagonal",
			outline: {
				width: 5,
				color: [0,0,255,0.7],
				style: "solid",
				cap: "round"

			}
		}


	}
	else //else its a point
	{
		g = {
			type: "point",
			longitude: geometry.x,
			latitude: geometry.y
		}

		s = {
			type: "simple-marker",
			color: [255,0,0, 0.5],
			size: 30
		}


	}

	if (cleanup === true) mapview.graphics = [];

	let graphic = new Graphic({geometry: g, symbol: s})
	mapview.graphics.add(graphic);
	mapview.goTo(graphic);


}

function drawPoint (x,y) {

let p = {
	type: "point",
	longitude: x,
	latitude: y
}

let s = {
	type: "simple-marker",
	color: [255,0,0, 0.5],
	size: 30
}

let graphic = new Graphic({geometry: p, symbol: s})
mapview.graphics.add(graphic);

}

function drawLine (x1,y1, x2,y2,x3,y3, cap = "round") {

let l = {
	type: "polyline",
	paths: [
		[x1, y1],
		[x2, y2],
		[x3, y3]
	]
}

let s = {
	type: "simple-line",
	cap: cap,
	color: [255,0,0,0.5],
	width: 7,
	style: "solid"
}

let graphic = new Graphic({geometry: l, symbol: s})
mapview.graphics.add(graphic);


}

function drawPolygon (x1,y1, x2, y2, x3, y3)
{


let p = {
	type: "polygon",
	rings: [
		[x1, y1],
		[x2, y2],
		[x3, y3],
		[x1, y1]
	]
}

let s = {
	type: "simple-fill",
	color: [255,0,0,0.5],
	style: "backward-diagonal",
	outline: {
		width: 5,
		color: [0,0,255,0.7],
		style: "solid",
		cap: "round"

	}
}

let graphic = new Graphic({geometry: p, symbol: s})
mapview.graphics.add(graphic);

}


//Generate list of buttons for basemaps
function generateBasemaps()
{
	let basemaps = [];

	//"streets", "satellite", "hybrid", "terrain", "topo", "gray", "dark-gray", "oceans", "national-geographic", "osm", "dark-gray-vector", "gray-vector", "streets-vector", "topo-vector", "streets-night-vector", "streets-relief-vector", "streets-navigation-vector"
	basemaps.push ("satellite");
	basemaps.push ("topo");
	basemaps.push ("osm");
	basemaps.push ("streets");
	basemaps.push ("hybrid");
	basemaps.push ("terrain");
	basemaps.push ("dark-gray");
	basemaps.push ("national-geographic");
	basemaps.push ("oceans");
	basemaps.push ("streets-night-vector");
	basemaps.push ("topo-vector");

	//let setBasemap = function (e) { map.basemap = e.target.id }
	let setBasemap = function (e){
		let list =  e.target;
		let selectedBasemap = list.options[list.selectedIndex].textContent;
		map.basemap = selectedBasemap;
	}

	let cmbbasemaps = document.getElementById("buttons");
	cmbbasemaps.addEventListener("change", setBasemap)

	for (let i = 0; i < basemaps.length; i ++)
	{
		let option = document.createElement("option");
		option.id = basemaps[i];
		option.textContent = basemaps[i];
		if (basemaps[i] == DEFAULT_BASEMAP) option.selected = true;

		cmbbasemaps.appendChild(option);
	}
}


</script>

</body>
</html>