object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is SimpleMarkerSymbol)
{
return(Visibility.Visible);
}
ConfigurableFeatureLayer featureLayer = value as ConfigurableFeatureLayer;
if (featureLayer != null)
{
return(featureLayer.GeometryType == GeometryType.Point ? Visibility.Visible : Visibility.Collapsed);
}
if (value is ConfigurableGraphicsLayer) // SharePoint list layer
{
return(Visibility.Visible);
}
return(Visibility.Collapsed);
}
public static Symbol GetDefaultSymbolForLayer(Layer layer)
{
GraphicsLayer graphicsLayer = layer as GraphicsLayer;
if (graphicsLayer != null)
{
ClassBreaksRenderer renderer = graphicsLayer.Renderer as ClassBreaksRenderer;
if (renderer != null)
{
return(renderer.DefaultSymbol);
}
else
{
ConfigurableFeatureLayer featureLayer = layer as ConfigurableFeatureLayer;
if (featureLayer != null)
{
if (featureLayer.FeatureSymbol != null)
{
return(featureLayer.FeatureSymbol);
}
else
{
// All Graphics share the same symbol. Return a reference to the first one
if (featureLayer.Graphics.Count > 0)
{
return(featureLayer.Graphics[0].Symbol);
}
}
}
else
{
// All Graphics share the same symbol. Return a reference to the first one
if (graphicsLayer.Graphics.Count > 0)
{
return(graphicsLayer.Graphics[0].Symbol);
}
}
}
}
return(null);
}
object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is SimpleLineSymbol)
{
return(Visibility.Visible);
}
ConfigurableFeatureLayer featureLayer = value as ConfigurableFeatureLayer;
if (featureLayer != null)
{
return(featureLayer.GeometryType == GeometryType.PolyLine ? Visibility.Visible : Visibility.Collapsed);
}
ClassBreakInfo classBreak = value as ClassBreakInfo;
if (classBreak != null)
{
return(classBreak.Symbol is SimpleLineSymbol ? Visibility.Visible : Visibility.Collapsed);
}
return(Visibility.Collapsed);
}