private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
ListViewItem item = listBox1.SelectedItem as ListViewItem;
_featureServiceAttributesDataDictionary.TryGetValue(item.Text, out _featureLayerAttributes);
_featureServiceInfo = item.Tag as FeatureServiceInfo;
//supported functionality
txtSupportedFunctions.Text = _featureLayerAttributes.capabilities;
//feature service fields
if (_featureLayerAttributes.fields != null)
PopulateFieldsList(_featureLayerAttributes.fields);
//display the default symbol
ShowSymbol(_featureLayerAttributes);
}
private void connectToFeatureServices()
{
this.Cursor = Cursors.WaitCursor;
string formattedRequest = string.Empty;
string jsonResponse = string.Empty;
listBox1.Items.Clear();
//check to see if we have an instantiated dictionary to store the attributes
if (_featureServiceAttributesDataDictionary == null)
{
_featureServiceAttributesDataDictionary = new Dictionary<string, FeatureLayerAttributes>();
_featureServiceRequestAndResponse = new Dictionary<string, string>();
}
else
{
_featureServiceAttributesDataDictionary.Clear();
_featureServiceRequestAndResponse.Clear();
}
//query for ServiceLayers.
ServiceCatalog serviceCatalogDataContract = RequestAndResponseHandler.GetServiceCatalog(_baseApplyEditsURL, _token, out formattedRequest, out jsonResponse);
bool executedOnce = false;
string serviceURL = string.Empty;
string serviceRequest = string.Empty;
string serviceResponse = string.Empty;
foreach (Service service in serviceCatalogDataContract.services)
{
//I am only interested in FeatureServices THAT HAVE BEEN SHARED so only get the attributes for this kind of layer
if (service.type == "FeatureServer")
{
//create the entire url string for the layer so we can make the query for attributes
serviceURL = string.Format("{0}{1}/{2}/0/", _baseApplyEditsURL, service.name, service.type);
//Feature Layer Attributes
FeatureLayerAttributes featLayerAttributes = RequestAndResponseHandler.GetFeatureServiceAttributes(serviceURL, _token, out serviceRequest, out serviceResponse);
//store the request and response so that we can display it to the user when they click each feature service in the list
_featureServiceRequestAndResponse.Add(service.name, serviceRequest + "$" + serviceResponse);
//store the attributes
_featureServiceAttributesDataDictionary.Add(service.name, featLayerAttributes);
if (executedOnce == false)
{
_featureLayerAttributes = featLayerAttributes;
//display the default symbol
//ShowSymbol(featLayerAttributes);
//populate the Field Names
if (featLayerAttributes.fields != null)
PopulateFieldsList(featLayerAttributes.fields);
}
string url = string.Format("http://services.arcgis.com/{0}/arcgis/rest/services/{1}/FeatureServer?f=pjson", _organizationID, service.name);
url += "&token=" + _token;
_featureServiceInfo = RequestAndResponseHandler.GetDataContractInfo(url, DataContractsEnum.FeatureServiceInfo, out jsonResponse) as FeatureServiceInfo;
//lets store the name of the featureLayer into the listbox
ListViewItem item = new ListViewItem();
item.Text = service.name;
item.Tag = _featureServiceInfo;
listBox1.Items.Add(item);
if (executedOnce == false)
{
txtSupportedFunctions.Text = _featureServiceInfo.capabilities;
executedOnce = true;
}
}
}
listBox1.SelectedIndexChanged += listBox1_SelectedIndexChanged;
this.Cursor = Cursors.Default;
}
