private async void LoadRecursive(IList <LegendInfo> itemsList, ILayerContent content, bool recursive)
{
if (content == null)
{
return;
}
try
{
#pragma warning disable ESRI1800 // Add ConfigureAwait(false) - This is UI Dependent code and must return to UI Thread
var legendInfo = await content.GetLegendInfosAsync();
#pragma warning restore ESRI1800
foreach (var item in legendInfo)
{
itemsList.Add(item);
}
}
catch
{
return;
}
if (recursive)
{
foreach (var item in content.SublayerContents)
{
LoadRecursive(itemsList, item, recursive);
}
}
}
private async Task <TreeViewItem> TraverseLayer(ILayerContent layer, TreeViewItem root)
{
try
{
Logging.LogMethodCall(MethodBase.GetCurrentMethod().DeclaringType.Name, () => new Dictionary <String, Object> {
{ nameof(layer), layer },
{ nameof(root), root }
});
root.CanDisable = layer.CanChangeVisibility;
root.IsChecked = layer.IsVisible;
root.MirrorToParent = false;
root.Layer = layer;
IReadOnlyList <LegendInfo> lgnd = await layer.GetLegendInfosAsync();
if (lgnd.Count() == 1)
{
root.SetSymbol(lgnd[0].Symbol);
}
else
{
List <String> labelsAdded = new List <String>();
foreach (var smbl in lgnd)
{
if (!labelsAdded.Contains(smbl.Name))
{
var item = new TreeViewItem(smbl.Name, smbl.Symbol);
item.CanDisable = false;
root.Children.Add(item);
labelsAdded.Add(smbl.Name);
}
}
}
foreach (var subLyr in layer.SublayerContents)
{
var info = lgnd.FirstOrDefault(inf => inf.Name == subLyr.Name);
TreeViewItem child = null;
if (info == null)
{
child = await TraverseLayer(subLyr, new TreeViewItem(subLyr.Name));
}
else
{
child = await TraverseLayer(subLyr, new TreeViewItem(subLyr.Name, info.Symbol));
}
root.Children.Add(child);
}
return(root);
}
catch (Exception ex)
{
var message = "Error traversing layer";
ErrorHelper.OnError(MethodBase.GetCurrentMethod().DeclaringType.Name, message, ex);
Logging.LogMessage(Logging.LogType.Error, message, ex);
return(root);
}
}
private TreeViewItem TraverseLayer(ILayerContent layer, TreeViewItem root)
{
root.CanDisable = layer.CanChangeVisibility;
root.IsChecked = layer.IsVisible;
root.MirrorToParent = false;
Console.WriteLine(layer.SublayerContents.Count);
root.Layer = layer;
var lgnd = layer.GetLegendInfosAsync().Result;
if (lgnd.Count == 1)
{
root.SetSymbol(lgnd[0].Symbol);
}
else
{
foreach (var smbl in lgnd)
{
var item = new TreeViewItem(smbl.Name, smbl.Symbol);
item.CanDisable = false;
root.Children.Add(item);
}
}
foreach (var subLyr in layer.SublayerContents)
{
var info = lgnd.FirstOrDefault(inf => inf.Name == subLyr.Name);
TreeViewItem child = null;
if (info == null)
{
child = TraverseLayer(subLyr, new TreeViewItem(subLyr.Name));
}
else
{
child = TraverseLayer(subLyr, new TreeViewItem(subLyr.Name, info.Symbol));
}
root.Children.Add(child);
}
return(root);
}
