/// <summary>
/// Child <see cref="IPanel.Closed"/> event handler.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event params.</param>
private void OnChildClose(object sender, EventArgs e)
{
var panel = sender as IPanel;
if (Childs.Contains(panel))
{
int panelIndex = Childs.IndexOf(panel);
Childs.Remove(panel);
if (Active == panel && Childs.Count > 0)
{
// Todo: Make this configurable - after child panel is closed, make next OR prev child panel active.
int newActiveIndex = panelIndex < Childs.Count
? panelIndex
: Childs.Count - 1;
Active = Childs[newActiveIndex];
}
}
if (Childs.Count == 0 && !isClosing)
{
active = null;
RequestClose();
}
}
private bool NextAction()
{
if (Childs.Count == 0)
return false;
if (_currentAction != null)
{
int index = Childs.IndexOf(_currentAction);
if (index < 0 || index + 1 >= Childs.Count)
return false;
_currentAction = Childs[index + 1];
_currentAction.Execute();
}
else
{
_currentAction = Childs[0];
_currentAction.Execute();
}
return true;
}
public override bool TransferNode(Node child, Node nodeToTransfer, TransferDirection direction, bool nodeGotFocus)
{
var i = Childs.IndexOf(child);
if (i == -1)
{
return(false);
}
if ((Direction == Direction.Horizontal && (direction == TransferDirection.Up || direction == TransferDirection.Down)) ||
(Direction == Direction.Vertical && (direction == TransferDirection.Left || direction == TransferDirection.Right)))
{
// It would seem strange if an node that is moved up ends up to the left/right on an horizontal node.. so lets just move it further up
// It would seem strange if an node that is moved left ends up above/below on an vertical node.. so lets just move it further up
return(Parent?.TransferNode(this, nodeToTransfer, direction, nodeGotFocus) ?? false);
}
switch (direction)
{
case TransferDirection.Left:
if (i == 0)
{
return(false);
}
if (Childs[i - 1].CanHaveChilds == false)
{
return(false);
}
return(Childs[i - 1].TransferNode(null, nodeToTransfer, direction, nodeGotFocus));
case TransferDirection.Up:
if (i == 0)
{
return(false);
}
if (Childs[i - 1].CanHaveChilds == false)
{
return(false);
}
return(Childs[i - 1].TransferNode(null, nodeToTransfer, direction, nodeGotFocus));
case TransferDirection.Right:
if (i == Childs.Count - 1)
{
return(false);
}
if (Childs[Childs.Count - 1].CanHaveChilds == false)
{
return(false);
}
return(Childs[Childs.Count - 1].TransferNode(null, nodeToTransfer, direction, nodeGotFocus));
case TransferDirection.Down:
if (i == Childs.Count - 1)
{
return(false);
}
if (Childs[Childs.Count - 1].CanHaveChilds == false)
{
return(false);
}
return(Childs[Childs.Count - 1].TransferNode(null, nodeToTransfer, direction, nodeGotFocus));
default:
Log.Error($"{nameof(FixedContainerNode)}.{nameof(TransferNode)} was called with unknown {nameof(TransferDirection)} ({direction.ToString()})");
break;
}
return(false);
}
public int Position(LPOperator op) => Childs.IndexOf(op);
