public static void UpdateProxyUrl(string proxyUrl)
{
Map map = (MapApplication.Current != null) ? MapApplication.Current.Map : null;
if (map == null)
{
return;
}
bool mapRequiresRefresh = false;
#region Check if layers can be updated in-place
List <Layer> layersForRefresh = new List <Layer>();
foreach (Layer layer in map.Layers)
{
if (ESRI.ArcGIS.Mapping.Core.LayerExtensions.GetUsesProxy(layer))
{
if (ProxyUrlHelper.CanChangeProxyUrl(layer))
{
layersForRefresh.Add(layer);
}
else
{
mapRequiresRefresh = true;
break;
}
}
}
#endregion
#region Set proxy url if layers can be updated
if (!mapRequiresRefresh)
{
foreach (Layer layer in layersForRefresh)
{
SecureServicesHelper.SetProxyUrl(layer, proxyUrl);
}
}
#endregion
#region Else, serialize/deserialize map, remove and re-add layers
else
{
MapXamlWriter writer = new MapXamlWriter(true);
try
{
string mapXaml = writer.MapToXaml(map);
if (!string.IsNullOrEmpty(mapXaml))
{
Map newMap = System.Windows.Markup.XamlReader.Load(mapXaml) as Map;
if (newMap != null && newMap.Layers.Count == map.Layers.Count)
{
map.Layers.Clear();
map.Extent = newMap.Extent;
List <Layer> layers = new List <Layer>();
foreach (Layer layer in newMap.Layers)
{
if (ESRI.ArcGIS.Mapping.Core.LayerExtensions.GetUsesProxy(layer))
{
SecureServicesHelper.SetProxyUrl(layer, proxyUrl);
}
layers.Add(layer);
}
newMap.Layers.Clear();
foreach (Layer layer in layers)
{
map.Layers.Add(layer);
}
}
}
}
catch (Exception ex)
{
Logger.Instance.LogError(ex);
MessageBoxDialog.Show(ESRI.ArcGIS.Mapping.Controls.Resources.Strings.ErrorChangingProxies);
}
}
#endregion
}
public static string GetMapXaml(MapEventArgs e)
{
MapXamlWriter writer = new MapXamlWriter(true);
return(writer.MapToXaml(e.Map));
}