Here's an extract of the relevant code if it helps!private function updateBarriers():void
{var listItems:ArrayCollection = new ArrayCollection();
//update the statuses as per the lists
if (lstDay.dataProvider.length > 0)
{listItems.source = lstDay.dataProvider.toArray();
updateBarrierStatuses("Day", listItems);}
if (lstNight.dataProvider.length > 0)
{listItems.source = lstNight.dataProvider.toArray();
updateBarrierStatuses("Night", listItems); }
if (lstVarying.dataProvider.length > 0)
{listItems.source = lstVarying.dataProvider.toArray();
updateBarrierStatuses("Varying", listItems);}
if (lstBarrierNames.dataProvider.length > 0)
{listItems.source = lstBarrierNames.dataProvider.toArray();
updateBarrierStatuses("Not Set", listItems);}
doShowAllBarriersQuery();
listItems = null;
}
private function updateBarrierStatuses(barrierType:String, items:ArrayCollection):void
{//create a variable to store the barrier name strings
var barrierNames:String = "";
var i:Number = 0;
//for the time being we are only working with 4 statuses. This means there is no need to determine id's at runtime
//if we need to implement different barrier statuses for different training areas and these need to be retrieved at run
//time then this will need to change!
var barrierStatus:Number;
switch (barrierType)
{case "Day":
{for(i = 0; i < items.length; i++)
{barrierNames = barrierNames + items.toString() + ",";
barrierStatus = 1;}
break;
}
case "Night":{
for(i = 0; i < items.length; i++)
{ barrierNames = barrierNames + items.toString() + ",";
barrierStatus = 2;}
break;}
case "Varying":{
for(i = 0; i < items.length; i++)
{ barrierNames = barrierNames + items.toString() + ",";
barrierStatus = 3;}
break;}
case "Not Set":{
for(i = 0; i < items.length; i++)
{ barrierNames = barrierNames + items.toString() + ",";
barrierStatus = 4;}
break;}
} //end switch
//remove the last "," from the list
barrierNames = barrierNames.substr(0, barrierNames.length - 1);
setBarrierStatusesWS(myTrainingAreaName, barrierNames, barrierStatus);}
private function setBarrierStatusesWS(trainingArea:String, barrierNames:String, status:Number):void
{myWS.updateBarrierStatus(trainingArea, barrierNames, status);}
private function doShowAllBarriersQuery() : void
{//empty the barrier layer first.
gfxBarriers.clear();
//set up a unique renderer to symbolise the barrier layer
// ref:http://resources.esri.com/help/9.3/arcgisserver/apis/flex/help/index.html#renderers.htm#
var uniqueValuerenderer:UniqueValueRenderer = new UniqueValueRenderer();
uniqueValuerenderer.attribute = "cawdapt_dev.CAWDAPT.Barriers.BARRIER_STATUS_ID";
var uniqueValueInfos:Array =[];
uniqueValueInfos.push(new UniqueValueInfo(daySymbol, "1"));
uniqueValueInfos.push(new UniqueValueInfo(nightSymbol, "2"));
uniqueValueInfos.push(new UniqueValueInfo(varySymbol, "3"));
uniqueValuerenderer.infos = uniqueValueInfos;
gfxBarriers.renderer = uniqueValuerenderer;
allBarriersQuery.where = " cawdapt_dev.CAWDAPT.Barriers.BARRIER_STATUS_ID <> 4";
queryTask.execute( allBarriersQuery, new AsyncResponder(onResult, onFault ));
function onGetBarrierResult( featureSet:FeatureSet, token : Object = null ) : void
{var displayFieldName : String = featureSet.displayFieldName;
for each ( var myGraphic : Graphic in featureSet.features )
{myGraphic.toolTip = "Barrier: " + myGraphic.attributes["cawdapt_dev.CAWDAPT.Barriers.BARRIER_NAME"] + "." ;
gfxBarriers.add( myGraphic );}
//zoom to full extent of map:
var graphicProvider:ArrayCollection = gfxBarriers.graphicProvider as ArrayCollection;
var graphicsExtent:Extent = GraphicUtil.getGraphicsExtent(graphicProvider.toArray());}
function onGetBarrierFault( info : Object, token : Object = null ) : void
{Alert.show( info.toString() );}
}
<!--Web service results handling:-->
<esri:QueryTask id="queryTask" url="http://lmgis02/ArcGIS/rest/services/Barriers/MapServer/0" useAMF="false"/>
<esri:Query id="allBarriersQuery" returnGeometry="true">
<esri:outFields>
<fx:String>CAWDAPT_DEV.CAWDAPT.BARRIERS.BARRIER_NAME</fx:String>
<fx:String>CAWDAPT_DEV.CAWDAPT.BARRIERS.BARRIER_STATUS_ID</fx:String>
<fx:String>CAWDAPT_DEV.CAWDAPT.BARRIER_STATUSES.BARRIER_SYMBOL</fx:String>
<fx:String>CAWDAPT_DEV.CAWDAPT.BARRIER_STATUSES.SYMBOL_COLOUR</fx:String>
</esri:outFields>
</esri:Query>
<mx:TabNavigator width="100%" height="95%" x="0" y="0">
<mx:Canvas label="Set Barriers" width="100%" height="100%" backgroundColor="#D8D8D8">
<s:VGroup>
<mx:HRule width="100%" height="3"/>
<s:HGroup id="BarriersGroup">
<s:VGroup>
<s:Label id="lblName" text="Barrier Name" toolTip="You can select multiple items by holding CTRL key and clicking, or select a block by holding shift key and clicking"/>
<s:List id="lstBarrierNames" dragEnabled="true" dropEnabled="false" allowMultipleSelection="true" dragMoveEnabled="true" dataProvider="{barrierNameArray}" styleName="ListControl" skinClass="Landmarc.customSkins.BarrierListSkin" />
</s:VGroup>
<s:VGroup>
<s:Label id="lblDay" text="Day" toolTip="Drag and Drop Barriers open during the day into this column"/>
<s:List id="lstDay" dragEnabled="true" dropEnabled="true" allowMultipleSelection="true" dragMoveEnabled="true" dataProvider="{new ArrayCollection([])}" styleName="ListControl" skinClass="Landmarc.customSkins.BarrierListSkin"/>
</s:VGroup>
<s:VGroup>
<s:Label id="lblNight" text="Night" toolTip="Drag and Drop Barriers open at night into this column"/>
<s:List id="lstNight" dragEnabled="true" dropEnabled="true" allowMultipleSelection="true" dragMoveEnabled="true" dataProvider="{new ArrayCollection([])}" styleName="ListControl" skinClass="Landmarc.customSkins.BarrierListSkin" />
</s:VGroup>
<s:VGroup>
<s:Label id="lblVary" text="Varying" toolTip="Drag and Drop Barriers open at varying times into this column"/>
<s:List id="lstVarying" dragEnabled="true" dropEnabled="true" allowMultipleSelection="true" dragMoveEnabled="true" dataProvider="{new ArrayCollection([])}" styleName="ListControl" skinClass="Landmarc.customSkins.BarrierListSkin"/>
</s:VGroup>
</s:HGroup>
<mx:HRule width="100%" height="3"/>
<s:Button label="Save barriers statuses" click="updateBarriers()"/>
</s:VGroup>
</mx:Canvas>
