/// <summary>
/// Method triggered whenever the user changes the type of block
/// </summary>
private void BlockTypeBox_SelectedIndexChanged(object sender, EventArgs e)
{
// Delete the old data
_current = null;
// Ensure that the type is a Data Filter
var type = _typeMapping[(string)BlockTypeBox.SelectedItem];
if (type == null || !typeof(DataFilter).IsAssignableFrom(type))
{
throw new Exception("Invalid object type! Not a DataFilter!");
}
// Start creating the skeleton, and display it
_current = (DataFilter)Activator.CreateInstance(type, _core);
_current.Name = _current.InternalName;
BlockViewer.SetViewingComponent(_current);
}
/// <summary>
/// Determines which block viewer should be shown for the user
/// </summary>
private void DetermineViewingComponent(object owner, IConnectable c)
{
var dc = c as DataConnection;
if (dc != null)
{
// Treat as Data Connection
BlockViewer.SetViewingComponent(null);
IOBlockViewer.SetViewingComponent(dc);
IOBlockViewer.UpdateAllComponents();
BlockViewer.Hide();
IOBlockViewer.Show();
}
else
{
// Treat as generic block
BlockViewer.SetViewingComponent(c);
IOBlockViewer.SetViewingComponent(null);
BlockViewer.Show();
IOBlockViewer.Hide();
}
}
