/// <summary>
/// Applies layout changes to a given box and its children.
/// </summary>
public override void ApplyVerticalLayout([NotNull] LayoutState state, [NotNull] LayoutState.LayoutLevel level)
{
var node = level.BranchRoot;
if (node.State.NumberOfSiblings <= MaxGroups * 2)
{
base.ApplyVerticalLayout(state, level);
return;
}
if (node.Level == 0)
{
node.State.SiblingsRowV = new Dimensions(node.State.Top, node.State.Bottom);
}
if (node.AssistantsRoot != null)
{
// assistants root has to be initialized with main node's exterior
node.AssistantsRoot.State.CopyExteriorFrom(node.State);
LayoutAlgorithm.VerticalLayout(state, node.AssistantsRoot);
}
var adapter = new SingleFishboneLayoutAdapter(node);
while (adapter.NextGroup())
{
LayoutAlgorithm.VerticalLayout(state, adapter.SpecialRoot);
}
}
/// <summary>
/// Applies layout changes to a given box and its children.
/// </summary>
public override void ApplyHorizontalLayout([NotNull] LayoutState state, [NotNull] LayoutState.LayoutLevel level)
{
var node = level.BranchRoot;
if (node.State.NumberOfSiblings <= MaxGroups * 2)
{
base.ApplyHorizontalLayout(state, level);
return;
}
if (node.Level == 0)
{
node.State.SiblingsRowV = new Dimensions(node.State.Top, node.State.Bottom);
}
if (node.AssistantsRoot != null)
{
LayoutAlgorithm.HorizontalLayout(state, node.AssistantsRoot);
}
var adapter = new SingleFishboneLayoutAdapter(node);
while (adapter.NextGroup())
{
LayoutAlgorithm.HorizontalLayout(state, adapter.SpecialRoot);
}
var rect = node.State;
// now align child nodes under the parent
if (node.Level > 0)
{
double diff;
if (node.State.NumberOfSiblingColumns > 1)
{
var leftCarrier = node.Children[node.State.NumberOfSiblings + 1].State.CenterH;
var rightCarrier = node.Children[node.State.NumberOfSiblings + node.State.NumberOfSiblingColumns].State.CenterH;
var desiredCenter =
node.State.NumberOfSiblings == 1 || ParentAlignment == BranchParentAlignment.Center
? leftCarrier + (rightCarrier - leftCarrier) / 2
: ParentAlignment == BranchParentAlignment.Left
? leftCarrier + ChildConnectorHookLength
: rightCarrier - ChildConnectorHookLength;
//var desiredCenter = (leftCarrier + rightCarrier)/2.0;
diff = rect.CenterH - desiredCenter;
}
else
{
var carrier = node.Children[1 + node.State.NumberOfSiblings].State.CenterH;
var desiredCenter = rect.CenterH;
diff = desiredCenter - carrier;
}
LayoutAlgorithm.MoveChildrenOnly(state, level, diff);
}
if (node.Level > 0)
{
// vertical connector from parent
var ix = node.State.NumberOfSiblings;
var verticalSpacer = node.Children[ix];
verticalSpacer.State.AdjustSpacer(
rect.CenterH - ParentConnectorShield / 2, rect.Bottom,
ParentConnectorShield, node.Children[0].State.SiblingsRowV.From - rect.Bottom);
state.MergeSpacer(verticalSpacer);
ix++;
// vertical carriers already merged in
ix += node.State.NumberOfSiblingColumns;
if (node.State.NumberOfSiblingColumns > 1)
{
// have a horizontal carrier
var horizontalSpacer = node.Children[ix];
var leftmost = node.Children[node.State.NumberOfSiblings + 1].State.TopLeft;
var rightmost = node.Children[ix - 1].State.Right;
horizontalSpacer.State.AdjustSpacer(
leftmost.X, leftmost.Y - ParentChildSpacing,
rightmost - leftmost.X, ParentChildSpacing);
state.MergeSpacer(horizontalSpacer);
}
}
}