private Layerage GetNodeCollectionLayer(Vector2 startingPoint, Matrix3x2 matrix)
{
switch (this.SelectionMode)
{
case ListViewSelectionMode.None: return(null);
case ListViewSelectionMode.Single:
{
Layerage layerage = this.SelectionViewModel.SelectionLayerage;
if (layerage == null)
{
return(null);
}
ILayer layer = layerage.Self;
if (layer.Type == LayerType.Curve)
{
layer.Nodes.CacheTransform();
this.NodeCollectionMode = NodeCollection.ContainsNodeCollectionMode(startingPoint, layer.Nodes, matrix);
return(layerage);
}
}
break;
case ListViewSelectionMode.Multiple:
foreach (Layerage layerage in this.SelectionViewModel.SelectionLayerages)
{
ILayer layer = layerage.Self;
if (layer.Type == LayerType.Curve)
{
layer.Nodes.CacheTransform();
NodeCollectionMode mode = NodeCollection.ContainsNodeCollectionMode(startingPoint, layer.Nodes, matrix);
if (mode != NodeCollectionMode.None)
{
this.NodeCollectionMode = mode;
return(layerage);
}
}
}
break;
}
return(null);
}
private NodeCollectionMode GetNodeCollectionMode(Vector2 startingPoint, Matrix3x2 matrix)
{
switch (this.SelectionMode)
{
case ListViewSelectionMode.None: return(NodeCollectionMode.None);
case ListViewSelectionMode.Single:
{
Layerage layerage = this.SelectionViewModel.SelectionLayerage;
if (layerage is null)
{
return(NodeCollectionMode.None);
}
ILayer layer = layerage.Self;
if (layer.Type == LayerType.Curve)
{
return(NodeCollection.ContainsNodeCollectionMode(startingPoint, layer.Nodes, matrix));
}
}
break;
case ListViewSelectionMode.Multiple:
foreach (Layerage layerage in this.SelectionViewModel.SelectionLayerages)
{
ILayer layer = layerage.Self;
if (layer.Type == LayerType.Curve)
{
return(NodeCollection.ContainsNodeCollectionMode(startingPoint, layer.Nodes, matrix));
}
}
break;
}
return(NodeCollectionMode.None);
}