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Hide legend

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1
12-02-2012 11:54 AM
SmaranHarihar
by
New Contributor III
‎12-02-2012 11:54 AM
Is there some way to hide esri.dijit.legend? I have a function which when executed, I want the legend to be hidden. How can I do that?
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1 Reply
DavideLimosani
by
Occasional Contributor II
‎12-02-2012 11:17 PM
You can try this:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 
<html> 
  <head> 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=7,IE=9" />
    <!--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" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.2/js/dojo/dijit/themes/claro/claro.css"> 
    <link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.2/js/esri/css/esri.css" />
    <style> 
      html, body { height: 98%; width: 98%; margin: 0; padding: 5px; }
      #rightPane{
        width:20%;
      }
      #legendPane{
        border: solid #97DCF2 1px;
      }
     
    </style> 
    <script type="text/javascript">var djConfig = {parseOnLoad: true};</script> 
    <script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=3.2"></script> 
    <script type="text/javascript"> 
      dojo.require("dijit.layout.BorderContainer");
      dojo.require("dijit.layout.ContentPane");
      dojo.require("dijit.layout.AccordionContainer");
      dojo.require("esri.map");
      dojo.require("esri.dijit.Legend");
      dojo.require("esri.layers.FeatureLayer");
      
      var map;

 
      function init() {
        var initialExtent = new esri.geometry.Extent({"xmin":-10753431,"ymin":4624151,"xmax":-10737799,"ymax":4635884,"spatialReference":{"wkid":102100}});
        map = new esri.Map("map", { extent: initialExtent});
        
        //Add the terrain service to the map. View the ArcGIS Online site for services http://arcgisonline/home/search.html?t=content&f=typekeywords:service  

  
        var basemap = new esri.layers.ArcGISTiledMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer");
        map.addLayer(basemap);

        var rivers = new esri.layers.FeatureLayer("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Hydrography/Watershed173811/MapServer/1", {
          mode: esri.layers.FeatureLayer.MODE_ONDEMAND,
          outFields: ["*"]
        });
        var waterbodies = new esri.layers.FeatureLayer("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Hydrography/Watershed173811/MapServer/0", 

{
          mode: esri.layers.FeatureLayer.MODE_ONDEMAND,
          outFields: ["*"]
        });
        
        //add the legend
        dojo.connect(map,'onLayersAddResult',function(results){
          var layerInfo = dojo.map(results, function(layer,index){
            return {layer:layer.layer,title:layer.layer.name};
          });
          if(layerInfo.length > 0){
            var legendDijit = new esri.dijit.Legend({
              map:map,
              layerInfos:layerInfo
            },"legendDiv");
            legendDijit.startup();
          }
        });
        
        map.addLayers([waterbodies,rivers]);


        dojo.connect(map, 'onLoad', function(theMap) {
          //resize the map when the browser resizes
          dojo.connect(dijit.byId('map'), 'resize', map,map.resize);
        });
      }
 
      dojo.addOnLoad(init);
    </script> 
  </head> 
  
  <body class="claro"> 
    <div id="content" dojotype="dijit.layout.BorderContainer" design="headline" gutters="true" style="width: 100%; height: 100%; margin: 0;"> 
      <div id="rightPane" dojotype="dijit.layout.ContentPane" region="right">
        <div dojoType="dijit.layout.AccordionContainer">
          <div dojoType="dijit.layout.ContentPane" id="legendPane" title="Legend" selected="true" >
            <div id="legendDiv"></div>
         <button dojoType="dijit.form.Button" type="button" onClick="require(['dojo/dom-style'], function(domStyle){domStyle.set('legendDiv', 'display', 'none');});">Hide legend</button>
        
  <button dojoType="dijit.form.Button" type="button" onClick="require(['dojo/dom-style'], function(domStyle){domStyle.set('legendDiv', 'display', 'inline');});">Show legend</button>
          </div>
          <div dojoType="dijit.layout.ContentPane" title="Pane 2" >
            This pane could contain tools or additional content
          </div>
        </div>
      </div>
      <div id="map" dojotype="dijit.layout.ContentPane" region="center" style="overflow:hidden;"> 
      </div> 
    </div> 
  </body> 
 
</html>


Regards,

Davide
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