internal void RemovePane(DockPane pane)
{
Debug.Assert(pane.DockTree == this);
Debug.Assert(pane.Items.Count == 0);
RemovePaneFromCollection(pane);
DockPaneSplit splitToRemove = pane.Parent;
if (splitToRemove == null)
{
SetRootNode(null);
}
else
{
AddDirtyNode(splitToRemove);
DockPaneNode siblingNode = splitToRemove.GetSibling(pane);
Debug.Assert(siblingNode != null);
AddDirtyNode(siblingNode);
DockPaneSplit grandParent = splitToRemove.Parent;
splitToRemove.ClearChildren();
if (grandParent == null)
{
SetRootNode(siblingNode);
}
else
{
AddDirtyNode(grandParent);
grandParent.SetSibling(grandParent.GetSibling(splitToRemove), siblingNode);
}
splitToRemove.ClearParent();
}
}
internal DockPane AddItem(DockItem item, DockPaneNode targetPaneNode, bool isAutoHide, Dock side, SplitterDistance size, bool isSizeForTarget)
{
Debug.Assert(targetPaneNode.DockTree == this);
DockPane pane = DockControl.PaneManager.CreatePane(item, isAutoHide);
AddDirtyNode(pane);
AddDirtyNode(targetPaneNode);
DockPaneSplit parent = targetPaneNode.Parent;
DockPaneNode child1 = side == Dock.Left || side == Dock.Top ? pane : targetPaneNode;
DockPaneNode child2 = side == Dock.Left || side == Dock.Top ? targetPaneNode : pane;
Orientation orientation = side == Dock.Left || side == Dock.Right ? Orientation.Horizontal : Orientation.Vertical;
bool isSplitterTopLeft = isSizeForTarget ? child1 == targetPaneNode : child2 == targetPaneNode;
targetPaneNode.ClearParent();
DockPaneSplit newSplit;
newSplit = new DockPaneSplit(child1, child2, orientation, isSplitterTopLeft, size);
AddDirtyNode(newSplit);
if (parent != null)
{
AddDirtyNode(parent);
parent.SetSibling(parent.GetSibling(targetPaneNode), newSplit);
}
else
{
SetRootNode(newSplit, false);
}
AddPaneToCollection(pane);
Debug.Assert(newSplit.Child1 != null);
Debug.Assert(newSplit.Child1.Parent == newSplit);
Debug.Assert(newSplit.Child2 != null);
Debug.Assert(newSplit.Child2.Parent == newSplit);
return(pane);
}