public static Tuple <LegendItemKey, ILegendItem>[] GetLegendItemsForLayer(LayerVM layer)
{
Dictionary <LegendItemKey, ILegendItem> resultDict = new Dictionary <LegendItemKey, ILegendItem>();
if (layer is MultiClassificationLayerIconPresentingVM)
{
PropertyRepresentation representation = PropertyRepresentation.SvgIcon;
MultiClassificationLayerIconPresentingVM mclipVM = (MultiClassificationLayerIconPresentingVM)layer;
if (mclipVM.ClassificationVM.CurrentClasses == null)
{
return(new Tuple <LegendItemKey, ILegendItem> [0]);
}
var classes = mclipVM.ClassificationVM.CurrentClasses.ToArray();
foreach (var c in classes)
{
LegendItemKey key = new LegendItemKey(mclipVM.ClassificationVM.PropertyName, c.ID, representation);
if (!resultDict.ContainsKey(key))
{
resultDict.Add(key, new SvgIconLegendItem(c));
}
}
}
return(resultDict.Select(kvp => Tuple.Create(kvp.Key, kvp.Value)).ToArray());
}
public static Tuple <LegendItemKey, ILegendItem>[] GetLegendItemsForVisualLayer(VisualLayerPresentingVM layer)
{
if (layer.BackgroundBrush != null && layer.Origin.CurrentClass != null)
{
LegendItemKey key = new LegendItemKey(layer.Origin.PropertyName, layer.Origin.CurrentClass.ID, PropertyRepresentation.BackgroundPattern);
return(new Tuple <LegendItemKey, ILegendItem>[] { Tuple.Create(key, new BacgroundFillLegendItem(layer.Origin.CurrentClass) as ILegendItem) });
}
else
{
return(new Tuple <LegendItemKey, ILegendItem> [0]);
}
}