Splice allows you to change the contents of an array (the TOC's layerInfos array) by adding or removing an element. This documentation explains how to use it.
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!--The viewport meta tag is used to improve the presentation and behavior of the samples
on iOS devices-->
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>Map with legend</title>
<link rel="stylesheet" href="http://js.arcgis.com/3.9/js/dojo/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="http://js.arcgis.com/3.9/js/esri/css/esri.css">
<link rel="stylesheet" type="text/css" href="http://gmaps-utility-gis.googlecode.com/svn/tags/agsjs/latest/build/agsjs/css/agsjs.css" />
<style>
html, body {
height: 97%;
width: 98%;
margin: 1%;
}
#rightPane {
width: 20%;
}
#legendPane {
border: solid #97DCF2 1px;
}
</style>
<script>
var dojoConfig = {
//parseOnLoad: true,
packages: [
{
name: "agsjs",
//location: location.pathname.replace(/\/[^/]+$/, "") + '../../agsjs'
"location": 'http://gmaps-utility-gis.googlecode.com/svn/tags/agsjs/latest/build/agsjs' // for xdomain load
}]
};
</script>
<script src="http://js.arcgis.com/3.9/"></script>
<script>
var map, layerState, layerCounty, layerCity, toc;
require([
"esri/map", "esri/layers/FeatureLayer",
"dojo/_base/array", "dojo/parser", "agsjs/dijit/TOC", "dijit/registry",
"dijit/layout/BorderContainer", "dijit/layout/ContentPane",
"dijit/layout/AccordionContainer", "dojo/domReady!"
], function (
Map, FeatureLayer,
arrayUtils, parser, TOC, registry
) {
parser.parse();
map = new Map("map", {
basemap: "oceans",
center: [-86, 30],
zoom: 6
});
layerState = new FeatureLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/2", {
mode: FeatureLayer.MODE_ONDEMAND,
id: 'State'
});
layerCounty = new FeatureLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/3", {
mode: FeatureLayer.MODE_ONDEMAND,
id: 'County'
});
map.on("layers-add-result", function (evt) {
toc = new TOC({
map: map,
layerInfos: [{
layer: layerState,
title: "States",
collapsed: true
},
{
layer: layerCounty,
title: "Counties"
//},
//{
// layer: layerCity,
// title: "Cities"
}]
}, 'legendDiv');
toc.startup();
toc.on('toc-node-checked', function (evt) {
if (evt.rootLayer) {
if (evt.rootLayer.id === "County") {
layerCity.setVisibility(evt.checked);
}
}
});
});
map.addLayers([layerCounty, layerState]);
map.on("update-end", function () {
console.log("update end");
});
var test = registry.byId("btnCities").on("click", function () {
test.remove(); //this can only be clicked once.
layerCity = new FeatureLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/0", {
mode: FeatureLayer.MODE_ONDEMAND,
id: 'City'
});
var h= layerCity.on("load", function () {
//alert("Cities added!");
toc.layerInfos.splice(2, 0, {
layer: layerCity,
title: "Cities"
});
toc.refresh();
h.remove();
});
map.addLayer(layerCity);
});
});
</script>
</head>
<body class="claro">
<div id="content"
data-dojo-type="dijit/layout/BorderContainer"
data-dojo-props="design:'headline', gutters:true"
style="width: 100%; height: 100%; margin: 0;">
<div id="rightPane"
data-dojo-type="dijit/layout/ContentPane"
data-dojo-props="region:'right'">
<div data-dojo-type="dijit/layout/AccordionContainer">
<div data-dojo-type="dijit/layout/ContentPane" id="legendPane"
data-dojo-props="title:'Legend', selected:true">
<div id="legendDiv"></div>
<button id="btnCities" data-dojo-type="dijit/form/Button" type="button">
Add cities
</button>
</div>
<div data-dojo-type="dijit/layout/ContentPane"
data-dojo-props="title:'Pane 2'">
</div>
</div>
</div>
<div id="map"
data-dojo-type="dijit/layout/ContentPane"
data-dojo-props="region:'center'"
style="overflow: hidden;">
</div>
</div>
</body>
</html>
