code_newbie

Resizing and scalebar to a Query Map

Discussion created by code_newbie on Oct 10, 2011
Latest reply on Oct 16, 2011 by DSwingley-esristaff
Hi all,
     am new and I am having some difficulty displaying a scale bare when I use a query map. I cannot seem to figure out how to add a scalebar and insure my maps resize.  Here is my code:

<!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>QueryTask with geometry, results as an InfoWindow</title>
<link rel="stylesheet" type="text/css" href="http://serverapi.arcgisonline.com/jsapi/arcgis/2.5/js/dojo/dijit/themes/claro/claro.css">
<style type="text/css">
      html, body {height: 100%; width: 100%; margin: 1; padding: 0;}
      body{background-color:#730; overflow:hidden; font-family: "Trebuchet MS"; border:5px solid black} 
      #map{overflow:hidden; padding:0;}
   .AppTitle{font-size:3em; color: yellow;}
   .esriScalebar{height: 60%;}
</style>

<script type="text/javascript" src="http://serverapi.arcgisonline.com/jsapi/arcgis/?v=2.5"></script>
<script type="text/javascript" language="Javascript">
dojo.require("esri.map");
dojo.require("esri.tasks.query");

dojo.require("dojo.parser");

dojo.require("dijit.layout.BorderContainer");

dojo.require("dijit.layout.ContentPane");

dojo.require("esri.dijit.Scalebar");



var map, queryTask, query;
var symbol, infoTemplate;


    function init() {
        var initialExtent = new esri.geometry.Extent({"xmin":-120.227821999585,"ymin":20.5332698820995,"xmax":-65.9816769016675,"ymax":71.4062353670687,"spatialReference":{"wkid":4326}});
        map = new esri.Map("mapDiv", {
          extent: initialExtent
        });


//create and add new layer
var layer = new esri.layers.ArcGISDynamicMapServiceLayer("http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer");
map.addLayer(layer);

//Listen for click event on the map, when the user clicks on the map call executeQueryTask function.
dojo.connect(map, "onClick", executeQueryTask);


//build query task
queryTask = new esri.tasks.QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");

//Can listen for onComplete event to process results or can use the callback option in the queryTask.execute method.
//dojo.connect(queryTask, "onComplete", showResults);

//build query filter
query = new esri.tasks.Query();
query.returnGeometry = true;
query.outFields = ["STATE_NAME", "STATE_ABBR", "SQMI", "MALES", "FEMALES"];

//create the infoTemplate to be used in the infoWindow.
//All ${attributeName} will be substituted with the attribute value for current feature.
infoTemplate = new esri.InfoTemplate("${STATE_NAME}", "Abbreviation: ${STATE_ABBR}<br />Square Miles: ${SQMI}<br /> # of Males: ${MALES}<br /> # of Females: ${FEMALES}");

symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255,0,0]), 2), new dojo.Color([255,255,0,0.5]));

}

function executeQueryTask(evt) {
//onClick event returns the evt point where the user clicked on the map.
//This is contains the mapPoint (esri.geometry.point) and the screenPoint (pixel xy where the user clicked).
//set query geometry = to evt.mapPoint Geometry
query.geometry = evt.mapPoint;

//Execute task and call showResults on completion
queryTask.execute(query, showResults);
}

function showResults(featureSet) {
//remove all graphics on the maps graphics layer
map.graphics.clear();

var features = featureSet.features;

//QueryTask returns a featureSet. Loop through features in the featureSet and add them to the map.
dojo.forEach(features,function(feature){
var graphic = feature;
graphic.setSymbol(symbol);

//Set the infoTemplate.
graphic.setInfoTemplate(infoTemplate);

//Add graphic to the map graphics layer.
map.graphics.add(graphic);

});


dojo.connect(map.graphics, "onMouseMove", function(evt) {
var g = evt.graphic;
map.infoWindow.setContent(g.getContent());
map.infoWindow.setTitle(g.getTitle());
map.infoWindow.show(evt.screenPoint,map.getInfoWindowAnchor(evt.screenPoint));
});
dojo.connect(map.graphics, "onMouseOut", function() {map.infoWindow.hide();} );

}

dojo.addOnLoad(init);
</script>
</head>
<body class="claro">
Click on a state to get more info. When state is highlighted, move mouse over state to get more info.
<div id="mapDiv" style="width:600px; height:600px; border:1px solid #000;"></div>
</body>
  

    </script>
  </head>
  <body class="claro">
    <div dojotype="dijit.layout.BorderContainer" design="headline" gutters="false"
    style="width: 100%; height: 100%;">
      <div id="map" dojotype="dijit.layout.ContentPane" region="center">
      </div>
   <div dojotype="dijit.layout.ContentPane" region="top" style="width: 100%; height: 20%;">
   <div style="position: absolute; top: 60px; left:900px;"> <span class="AppTitle"> Newbie Test</span> </div>
</div>
    </div>
  </body>
</html>

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