private bool ReadBaseLayer(XmlDocument xmlDocument, string xmlTag, ref List <LayerDefinition> layers)
{
XmlNode xmlParentNode = xmlDocument.SelectSingleNode(_root + xmlTag);
if (xmlParentNode == null)
{
return(false);
}
XmlAttributeCollection amlAttributes = xmlParentNode.Attributes;
string url;
if (!GetValue(amlAttributes, "url", out url))
{
return(false);
}
// Layer name is never displayed, no name search of display fields, base layers are always tiled.
LayerDefinition layerDef = new LayerDefinition(url, "0", "", "", "BaseLayer", "", "tiled");
layers.Insert(0, layerDef);
return(true);
}
private void RunFindParcelQuery(LayerDefinition layerDefn)
{
QueryTask queryTask = new QueryTask(layerDefn.Layer());
if (queryTask == null)
{
return;
}
queryTask.ExecuteCompleted += QueryLayer_ExecuteCompleted;
queryTask.Failed += QueryLayer_Failed;
queryTask.CancelAsync();
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.AddRange(layerDefn.AllFields);
query.ReturnGeometry = true;
query.OutSpatialReference = ParcelMap.SpatialReference;
// if the upper function is null/empty (it defaults to UPPER), then
// an exact case search is performed.
string upper = _xmlConfiguation.UpperFunction;
string wild = _xmlConfiguation.WildcardCharacter;
string endFn = "";
if (upper != "")
{
upper += "(";
endFn = ")";
}
// if the wide card function is null/empty (it defaults to %), then
// an exact search (case and value) is performed.
string where = "";
foreach (string field in layerDefn.SearchFields)
{
if (where != "")
{
where += " or ";
}
if (wild == "")
{
where += "(" + field + " = '" + SearchItem.Text + "')";
}
else
{
where += "(" + upper + field + endFn + " like '" + wild + SearchItem.Text.ToUpper() + wild + "')";
}
}
query.Where = where;
queryTask.ExecuteAsync(query, layerDefn);
}
private void QueryLayer_Failed(object sender, TaskFailedEventArgs args)
{
LayerDefinition layerDefn = (LayerDefinition)args.UserState;
System.Threading.Interlocked.Increment(ref _queryAttributeComplete);
if (_queryAttributeCount == _queryAttributeComplete)
{
Loading.Visibility = System.Windows.Visibility.Collapsed;
}
MessageBox.Show(layerDefn.Layer() + "\n\n" + (string)Application.Current.FindResource("strQueryServiceSupport") + "\n\n" + args.Error, (string)Application.Current.FindResource("strQueryServiceFailed"));
}
private bool ReadLayerInfo(XmlDocument xmlDocument, string xmlTag, ref List <LayerDefinition> layers, ref List <LayerDefinition> snapLayers, ref List <LayerDefinition> displayLayers)
{
XmlNode xmlParentNode = xmlDocument.SelectSingleNode(_root + xmlTag);
if (xmlParentNode == null)
{
return(false);
}
XmlAttributeCollection amlAttributes = xmlParentNode.Attributes;
string value, parentUrl = "";
if (GetValue(amlAttributes, "url", out value))
{
parentUrl = value;
}
XmlNodeList nodeList = xmlParentNode.SelectNodes("operationalLayer");
foreach (XmlNode xmlNode in nodeList)
{
string url, displayFields, searchFields, name, id, type, tooltip;
amlAttributes = xmlNode.Attributes;
GetValue(amlAttributes, "name", out name);
GetValue(amlAttributes, "tooltip", out tooltip);
GetValue(amlAttributes, "searchFields", out searchFields);
GetValue(amlAttributes, "displayFields", out displayFields);
if (displayFields == "")
{
displayFields = searchFields;
}
if (!GetValue(amlAttributes, "id", out id))
{
System.Diagnostics.Debug.WriteLine("Missing ID on layer. Layer {0} skipped.", name);
continue;
}
if (!GetValue(amlAttributes, "url", out url))
{
url = parentUrl;
}
if (url.Length == 0)
{
System.Diagnostics.Debug.WriteLine("Missing URL on layer. Layer {0} skipped.", name);
continue;
}
if (!GetValue(amlAttributes, "type", out type))
{
if (url.Contains(@"/FeatureServer"))
{
type = "feature";
}
else if (url.Contains(@"/MapService"))
{
type = "dynamic";
}
else if (url.Contains(@"/ImageService"))
{
type = "image";
}
// Since tiled services use a MapService URL, we can't default to this. Tiled services
// are generally stated as a base layer (in this app), where tiled is the only option. Thus,
// define your tile service as a base layer. If it needs to be an operational layer, set its
// type to "tiled".
}
LayerDefinition layerDef = new LayerDefinition(url, id, displayFields, searchFields, name, tooltip, type);
if (GetValue(amlAttributes, "draw", out value) && (value.ToLower() == "true"))
{
layers.Insert(0, layerDef);
}
if ((displayFields != "") && (searchFields != ""))
{
displayLayers.Insert(0, layerDef);
}
if (GetValue(amlAttributes, "snap", out value) && (value.ToLower() == "true"))
{
snapLayers.Add(layerDef);
}
if (GetValue(amlAttributes, "identify", out value) && (value.ToLower() == "true"))
{
if (_identifyURL == "")
{
_identifyURL = url;
}
if ((name == null) || (name.Length == 0))
{
name = Application.Current.FindResource("strLayer") + " " + id;
}
// If all the identifies come from one URL, try to use an identify query
int idValue;
int.TryParse(id, out idValue);
if (_identifyLayerUrl == null)
{
_identifyLayers = new List <int>();
_identifyLayerNames = new List <string>();
_identifyLayerUrl = new List <string>();
}
if (_identifyURL == url)
{
_identifyLayers.Add(idValue);
}
else
{
UseQueryIdentify = true; // Automatically use query since we have different sources.
}
_identifyLayerNames.Add(name);
_identifyLayerUrl.Add(url + "/" + idValue);
}
}
return(true);
}
private bool ReadLayerInfo(XmlDocument xmlDocument, string xmlTag, ref List<LayerDefinition> layers, ref List<LayerDefinition> snapLayers, ref List<LayerDefinition> displayLayers)
{
XmlNode xmlParentNode = xmlDocument.SelectSingleNode(_root + xmlTag);
if (xmlParentNode == null)
return false;
XmlAttributeCollection amlAttributes = xmlParentNode.Attributes;
string value, parentUrl = "";
if (GetValue(amlAttributes, "url", out value))
parentUrl = value;
XmlNodeList nodeList = xmlParentNode.SelectNodes("operationalLayer");
foreach (XmlNode xmlNode in nodeList)
{
string url, displayFields, searchFields, name, id, type, tooltip;
amlAttributes = xmlNode.Attributes;
GetValue(amlAttributes, "name", out name);
GetValue(amlAttributes, "tooltip", out tooltip);
GetValue(amlAttributes, "searchFields", out searchFields);
GetValue(amlAttributes, "displayFields", out displayFields);
if (displayFields == "")
displayFields = searchFields;
if (!GetValue(amlAttributes, "id", out id))
{
System.Diagnostics.Debug.WriteLine("Missing ID on layer. Layer {0} skipped.", name);
continue;
}
if (!GetValue(amlAttributes, "url", out url))
url = parentUrl;
if (url.Length == 0)
{
System.Diagnostics.Debug.WriteLine("Missing URL on layer. Layer {0} skipped.", name);
continue;
}
if (!GetValue(amlAttributes, "type", out type))
{
if (url.Contains(@"/FeatureServer"))
type = "feature";
else if (url.Contains(@"/MapService"))
type = "dynamic";
else if (url.Contains(@"/ImageService"))
type = "image";
// Since tiled services use a MapService URL, we can't default to this. Tiled services
// are generally stated as a base layer (in this app), where tiled is the only option. Thus,
// define your tile service as a base layer. If it needs to be an operational layer, set its
// type to "tiled".
}
LayerDefinition layerDef = new LayerDefinition(url, id, displayFields, searchFields, name, tooltip, type);
if (GetValue(amlAttributes, "draw", out value) && (value.ToLower() == "true"))
layers.Insert(0, layerDef);
if ((displayFields != "") && (searchFields != ""))
displayLayers.Insert(0, layerDef);
if (GetValue(amlAttributes, "snap", out value) && (value.ToLower() == "true"))
snapLayers.Add(layerDef);
if (GetValue(amlAttributes, "identify", out value) && (value.ToLower() == "true"))
{
if (_identifyURL == "")
_identifyURL = url;
if ((name == null) || (name.Length == 0))
name = Application.Current.FindResource("strLayer") + " " + id;
// If all the identifies come from one URL, try to use an identify query
int idValue;
int.TryParse(id, out idValue);
if (_identifyLayerUrl == null)
{
_identifyLayers = new List<int>();
_identifyLayerNames = new List<string>();
_identifyLayerUrl = new List<string>();
}
if (_identifyURL == url)
_identifyLayers.Add(idValue);
else
UseQueryIdentify = true; // Automatically use query since we have different sources.
_identifyLayerNames.Add(name);
_identifyLayerUrl.Add(url + "/" + idValue);
}
}
return true;
}
private bool ReadBaseLayer(XmlDocument xmlDocument, string xmlTag, ref List<LayerDefinition> layers)
{
XmlNode xmlParentNode = xmlDocument.SelectSingleNode(_root + xmlTag);
if (xmlParentNode == null)
return false;
XmlAttributeCollection amlAttributes = xmlParentNode.Attributes;
string url;
if (!GetValue(amlAttributes, "url", out url))
return false;
// Layer name is never displayed, no name search of display fields, base layers are always tiled.
LayerDefinition layerDef = new LayerDefinition(url, "0", "", "", "BaseLayer", "", "tiled");
layers.Insert(0, layerDef);
return true;
}
private void QueryLayer_ExecuteCompleted(object sender, QueryEventArgs args)
{
ObservableCollection <FindResultValue> findResults = FindResultControl.ItemsSource as ObservableCollection <FindResultValue>;
if (!_foundParcel)
{
findResults.Clear();
}
LayerDefinition layerDefn = (LayerDefinition)args.UserState;
// display search results for this layers query.
if (args.FeatureSet.Features.Count > 0)
{
// Show search window
if (!_foundParcel)
{
FindResultControl.Visibility = System.Windows.Visibility.Visible;
}
foreach (Graphic feature in args.FeatureSet.Features)
{
_foundParcel = true;
string name = "";
foreach (string fieldName in layerDefn.DisplayFields)
{
if (name != "")
{
name += ", ";
}
// Since accessing the dictionary via the [] operator is case sensitive,
// ie, name += (string)feature.Attributes[fieldName];
// we need to enum thru all the values.
foreach (var att in feature.Attributes)
{
if (att.Key.ToLower() == fieldName.ToLower())
{
if (att.Value != null)
{
name += att.Value.ToString();
}
break;
}
}
}
if (!_foundParcel)
{
ParcelMap.PanTo(feature.Geometry); // Pan to the first result
}
_foundParcel = true;
FindResultValue resultValue = new FindResultValue()
{
Layer = layerDefn.Name, Item = name, ItemTooltip = layerDefn.Tooltip
};
resultValue.Geometry = feature.Geometry; // "Zoom to" geometry
findResults.Add(resultValue); // display result values
}
}
else
{
System.Console.WriteLine("No features returned from {0}", layerDefn.Name);
}
// when we have received the same number of replies as we issued, then hide the spinning arrow
System.Threading.Interlocked.Increment(ref _queryAttributeComplete);
if (_queryAttributeCount == _queryAttributeComplete)
{
Loading.Visibility = System.Windows.Visibility.Collapsed; // spinning arrow
CalculateAndAddLineGraphics();
}
}
