Latest Contributions by IvanBespalov

playing with com.esri.ags.layers.supportClasses.LayerInfo 😉 <?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"       creationComplete="onAppCreated(event)">  <s:layout>   <s:VerticalLayout gap="5"         paddingBottom="10"         paddingLeft="10"         paddingRight="10"         paddingTop="10" />  </s:layout>    <fx:Script>   <![CDATA[    import com.esri.ags.events.LayerEvent;    import com.esri.ags.layers.ArcGISDynamicMapServiceLayer;    import com.esri.ags.layers.supportClasses.LayerInfo;        import mx.collections.ArrayCollection;    import mx.collections.ArrayList;    import mx.collections.IList;    import mx.controls.Alert;    import mx.controls.Label;    import mx.events.FlexEvent;    import mx.utils.StringUtil;        import spark.components.ComboBox;    import spark.components.DataGrid;        protected function onAddLayerClick(event:MouseEvent):void    {     const serviceUrl:String = txtService.text;     const visibleLayers:Array = txtLayers.text.length > 0 ? txtLayers.text.split(",") : null;     const layerName:String = txtName.text;          var dLayer:ArcGISDynamicMapServiceLayer = new ArcGISDynamicMapServiceLayer();     dLayer.url = serviceUrl;     if (visibleLayers && visibleLayers.length > 0)     {      dLayer.visibleLayers = new ArrayList(visibleLayers);     }     if (layerName.length > 0)     {      dLayer.name = layerName;     }     dLayer.addEventListener(LayerEvent.LOAD, onLayerLoad);     dLayer.addEventListener(LayerEvent.LOAD_ERROR, onLayerLoadError);          map.addLayer(dLayer);    }        protected function onLayerLoad(event:LayerEvent):void    {     var lbl1:Label = new Label();     lbl1.text = StringUtil.substitute("Layer '{0}' added", event.layer.name);         infoContainer.addElement(lbl1);          var dLayer:ArcGISDynamicMapServiceLayer = event.layer as ArcGISDynamicMapServiceLayer;     var visibleLayers:IList = dLayer.visibleLayers;     if (visibleLayers)     {      var lbl2:Label = new Label();      lbl2.text = StringUtil.substitute("Defined visible layers ids are: {0}", visibleLayers.toArray().toString());          infoContainer.addElement(lbl2);     }     if (dLayer)     {      var layerInfoGridProvider:ArrayCollection = new ArrayCollection();      var layerInfoComboBoxProvider:ArrayCollection = new ArrayCollection();      for each (var lInfo:LayerInfo in dLayer.layerInfos)      {       // for data grid       var layerInfo:Object = new Object();       layerInfo.Id = lInfo.layerId;       layerInfo.Name = lInfo.name;       layerInfo["Default Visibility"] = lInfo.defaultVisibility;              if (int(lInfo.minScale) == 0 && int(lInfo.minScale) == 0)       {        layerInfo["Visible at scales"] = "Not set";       }       else       {        layerInfo["Visible at scales"] = int(lInfo.minScale) + " - " + int(lInfo.maxScale);       }              if (visibleLayers && visibleLayers.length > 0)       {        layerInfo["In set of visible layers"] = visibleLayers.getItemIndex(lInfo.layerId.toString()) != -1 ? true : false;       }       else       {        layerInfo["In set of visible layers"] = "-";       }              layerInfoGridProvider.addItem(layerInfo);              // for combo box       if (visibleLayers && visibleLayers.getItemIndex(lInfo.layerId.toString()) != -1)       {        layerInfoComboBoxProvider.addItem(lInfo);       }      }            var comboBox:ComboBox = new ComboBox();      comboBox.dataProvider = layerInfoComboBoxProvider;      comboBox.labelField = "name";      infoContainer.addElement(comboBox);            var infoGrid:DataGrid = new DataGrid();      infoGrid.percentWidth = 100;      infoGrid.scroller = null;      infoGrid.dataProvider = layerInfoGridProvider;           infoContainer.addElement(infoGrid);     }    }        protected function onLayerLoadError(event:LayerEvent):void    {     Alert.show(event.fault.faultString, "Error");    }     protected function onAppCreated(event:FlexEvent):void    {     const message:String = "Examples of map services to test are \n" +      "http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Fire/Sheep/MapServer" +      "\nor\n" +      "http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/LandusePlanning/MapServer";          Alert.show(message, "Info");    }    ]]>  </fx:Script>      <s:HGroup width="100%">   <s:Button label="Add Dynamic Layer"       click="onAddLayerClick(event)"/>   <s:TextInput id="txtService"       width="100%"       prompt="servername/arcgis/rest/services/servicename/MapServer"/>   <s:TextInput id="txtLayers"       width="100%"       prompt="comma separated visible layers (not required)"/>   <s:TextInput id="txtName"       width="100%"       prompt="set layer name (not required)"/>  </s:HGroup>    <s:Panel id="panelMap"      title="Map"     width="100%"     height="100%">   <esri:Map id="map"       extentChange="{panelMap.title = 'Map at scale 1:'+map.scale.toFixed()}"/>  </s:Panel>    <s:Panel title="Info"     height="100%"     width="100%">   <s:Scroller width="100%"      height="100%">    <s:VGroup id="infoContainer"         width="100%"        height="100%" />   </s:Scroller>  </s:Panel>   </s:Application> P.S. ArcGIS api v. 3.3, Flex SDK v. 4.9 ... View more