private void Node_MouseEnter(object sender, MouseEventArgs e)
{
ShowName = true;
SelectOver = this;
if (SelectOrigin != null)
{
if (((SelectOrigin.CanConnect(this) && !SelectOrigin.IsCircular(this)) ||
(CanConnect(SelectOrigin) && !IsCircular(SelectOrigin))) && !Node.Graph.ReadOnly)
{
Cursor = Cursors.Arrow;
}
else
{
Cursor = Cursors.No;
}
}
else
{
Cursor = Cursors.Arrow;
}
}
private void UserControl_MouseDown(object sender, MouseButtonEventArgs e)
{
e.Handled = true;
if (Node.Graph.ReadOnly)
{
return;
}
if (e.LeftButton == MouseButtonState.Pressed && !Keyboard.IsKeyDown(Key.LeftAlt) && !Keyboard.IsKeyDown(Key.RightAlt))
{
if (SelectOrigin == this)
{
SelectOrigin = null;
}
else if (SelectOrigin != this && SelectOrigin != null)
{
if (Output != null && SelectOrigin.Output == null)
{
ConnectToNode(SelectOrigin);
}
else
{
SelectOrigin.ConnectToNode(this);
}
SelectOrigin = null;
}
else
{
SelectOrigin = this;
}
}
else if (e.LeftButton == MouseButtonState.Pressed && (Keyboard.IsKeyDown(Key.LeftAlt) || Keyboard.IsKeyDown(Key.RightAlt)))
{
Dispose();
}
}
