/// <summary>
/// Switches a pane with its first child in the pane hierarchy. (The actual hiding happens elsewhere.)
/// </summary>
/// <param name="pane">Pane to switch</param>
internal void SwitchPaneWithFirstChild(DockPane pane)
{
if (!Contains(pane))
{
return;
}
NestedDockingStatus statusPane = pane.NestedDockingStatus;
DockPane lastNestedPane = null;
for (int i = Count - 1; i > IndexOf(pane); i--)
{
if (this[i].NestedDockingStatus.PreviousPane == pane)
{
lastNestedPane = this[i];
break;
}
}
if (lastNestedPane != null)
{
int indexLastNestedPane = IndexOf(lastNestedPane);
Items[IndexOf(pane)] = lastNestedPane;
Items[indexLastNestedPane] = pane;
NestedDockingStatus lastNestedDock = lastNestedPane.NestedDockingStatus;
DockAlignment newAlignment;
if (lastNestedDock.Alignment == DockAlignment.Left)
{
newAlignment = DockAlignment.Right;
}
else if (lastNestedDock.Alignment == DockAlignment.Right)
{
newAlignment = DockAlignment.Left;
}
else if (lastNestedDock.Alignment == DockAlignment.Top)
{
newAlignment = DockAlignment.Bottom;
}
else
{
newAlignment = DockAlignment.Top;
}
double newProportion = 1 - lastNestedDock.Proportion;
lastNestedDock.SetStatus(this, statusPane.PreviousPane, statusPane.Alignment, statusPane.Proportion);
for (int i = indexLastNestedPane - 1; i > IndexOf(lastNestedPane); i--)
{
NestedDockingStatus status = this[i].NestedDockingStatus;
if (status.PreviousPane == pane)
{
status.SetStatus(this, lastNestedPane, status.Alignment, status.Proportion);
}
}
statusPane.SetStatus(this, lastNestedPane, newAlignment, newProportion);
}
}
private void InternalRemove(DockPane pane)
{
if (!Contains(pane))
{
return;
}
NestedDockingStatus statusPane = pane.NestedDockingStatus;
DockPane lastNestedPane = null;
for (int i = Count - 1; i > IndexOf(pane); i--)
{
if (this[i].NestedDockingStatus.PreviousPane == pane)
{
lastNestedPane = this[i];
break;
}
}
if (lastNestedPane != null)
{
int indexLastNestedPane = IndexOf(lastNestedPane);
Items.Remove(lastNestedPane);
Items[IndexOf(pane)] = lastNestedPane;
NestedDockingStatus lastNestedDock = lastNestedPane.NestedDockingStatus;
lastNestedDock.SetStatus(this, statusPane.PreviousPane, statusPane.Alignment, statusPane.Proportion);
for (int i = indexLastNestedPane - 1; i > IndexOf(lastNestedPane); i--)
{
NestedDockingStatus status = this[i].NestedDockingStatus;
if (status.PreviousPane == pane)
{
status.SetStatus(this, lastNestedPane, status.Alignment, status.Proportion);
}
}
}
else
{
Items.Remove(pane);
}
statusPane.SetStatus(null, null, DockAlignment.Left, 0.5);
statusPane.SetDisplayingStatus(false, null, DockAlignment.Left, 0.5);
statusPane.SetDisplayingBounds(Rectangle.Empty, Rectangle.Empty, Rectangle.Empty);
}