/// <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.AssistantsRoot != null)
{
LayoutAlgorithm.HorizontalLayout(state, node.AssistantsRoot);
}
for (var i = 0; i < node.State.NumberOfSiblings; i++)
{
var child = node.Children[i];
// re-enter layout algorithm for child branch
LayoutAlgorithm.HorizontalLayout(state, child);
}
if (node.Level > 0 && node.ChildCount > 0)
{
var rect = node.State;
var leftmost = node.Children[0].State.CenterH;
var rightmost = node.Children[node.State.NumberOfSiblings - 1].State.CenterH;
var desiredCenter =
node.State.NumberOfSiblings == 1 || ParentAlignment == BranchParentAlignment.Center
? leftmost + (rightmost - leftmost) / 2
: ParentAlignment == BranchParentAlignment.Left
? leftmost + ChildConnectorHookLength
: rightmost - ChildConnectorHookLength;
var center = rect.CenterH;
var diff = center - desiredCenter;
LayoutAlgorithm.MoveChildrenOnly(state, level, diff);
// vertical connector from parent
var verticalSpacer = node.Children[node.State.NumberOfSiblings];
verticalSpacer.State.AdjustSpacer(
center - ParentConnectorShield / 2, rect.Bottom,
ParentConnectorShield, node.Children[0].State.SiblingsRowV.From - rect.Bottom);
state.MergeSpacer(verticalSpacer);
// horizontal protector
var firstInRow = node.Children[0].State;
var horizontalSpacer = node.Children[node.State.NumberOfSiblings + 1];
horizontalSpacer.State.AdjustSpacer(
firstInRow.Left,
firstInRow.SiblingsRowV.From - ParentChildSpacing,
node.Children[node.State.NumberOfSiblings - 1].State.Right - firstInRow.Left,
ParentChildSpacing);
state.MergeSpacer(horizontalSpacer);
}
}
/// <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;
var nodeState = node.State;
if (node.AssistantsRoot != null)
{
LayoutAlgorithm.HorizontalLayout(state, node.AssistantsRoot);
}
// first, perform horizontal layout for every node in this column
for (var row = 0; row < nodeState.NumberOfSiblings; row++)
{
var child = node.Children[row];
// re-enter layout algorithm for child branch
// siblings are guaranteed not to offend each other
LayoutAlgorithm.HorizontalLayout(state, child);
}
// now align the column
var edges = LayoutAlgorithm.AlignHorizontalCenters(state, level, EnumerateColumn(node));
if (node.Level > 0 && node.ChildCount > 0)
{
var rect = node.State;
double diff;
if (ParentAlignment == BranchParentAlignment.Left)
{
var desiredLeft = rect.CenterH + ParentConnectorShield / 2;
diff = desiredLeft - edges.From;
}
else if (ParentAlignment == BranchParentAlignment.Right)
{
var desiredRight = rect.CenterH - ParentConnectorShield / 2;
diff = desiredRight - edges.To;
}
else
{
throw new InvalidOperationException("Invalid ParentAlignment setting");
}
// vertical connector from parent
LayoutAlgorithm.MoveChildrenOnly(state, level, diff);
// spacer for the vertical carrier
var verticalSpacer = node.Level > 0 ? node.Children[node.ChildCount - 1] : null;
if (verticalSpacer != null)
{
var spacerTop = node.State.Bottom;
var spacerBottom = node.Children[node.ChildCount - 2].State.Bottom;
verticalSpacer.State.AdjustSpacer(
rect.CenterH - ParentConnectorShield / 2, spacerTop,
ParentConnectorShield, spacerBottom - spacerTop);
state.MergeSpacer(verticalSpacer);
}
}
}
/// <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 <= MaxSiblingsPerRow)
{
// fall back to linear layout, only have one row of boxes
base.ApplyHorizontalLayout(state, level);
return;
}
if (node.AssistantsRoot != null)
{
LayoutAlgorithm.HorizontalLayout(state, node.AssistantsRoot);
}
for (var col = 0; col < node.State.NumberOfSiblingColumns; col++)
{
// first, perform horizontal layout for every node in this column
for (var row = 0; row < node.State.NumberOfSiblingRows; row++)
{
var ix = row * node.State.NumberOfSiblingColumns + col;
if (ix >= node.State.NumberOfSiblings)
{
break;
}
var child = node.Children[ix];
// re-enter layout algorithm for child branch
LayoutAlgorithm.HorizontalLayout(state, child);
}
LayoutAlgorithm.AlignHorizontalCenters(state, level, EnumerateColumn(node, col));
}
// now align children under parent
var rect = node.State;
var spacer = node.Children[node.State.NumberOfSiblingColumns / 2];
var desiredCenter = spacer.State.CenterH;
var diff = rect.CenterH - desiredCenter;
LayoutAlgorithm.MoveChildrenOnly(state, level, diff);
// vertical connector from parent
var verticalSpacer = node.Children[node.State.NumberOfSiblings];
verticalSpacer.State.AdjustSpacer(
rect.CenterH - ParentConnectorShield / 2, rect.Bottom,
ParentConnectorShield, node.Children[0].State.SiblingsRowV.From - rect.Bottom);
state.MergeSpacer(verticalSpacer);
// horizontal row carrier protectors
var spacing = ParentChildSpacing;
for (var firstInRowIndex = 0; firstInRowIndex < node.State.NumberOfSiblings; firstInRowIndex += node.State.NumberOfSiblingColumns)
{
var firstInRow = node.Children[firstInRowIndex].State;
var lastInRow = node.Children[Math.Min(firstInRowIndex + node.State.NumberOfSiblingColumns - 1, node.State.NumberOfSiblings - 1)].State;
var horizontalSpacer = node.Children[1 + node.State.NumberOfSiblings + firstInRowIndex / node.State.NumberOfSiblingColumns];
var width = lastInRow.Right >= verticalSpacer.State.Right
? lastInRow.Right - firstInRow.Left
: // extend protector at least to the central carrier
verticalSpacer.State.Right - firstInRow.Left;
horizontalSpacer.State.AdjustSpacer(
firstInRow.Left, firstInRow.SiblingsRowV.From - spacing,
width, spacing);
state.MergeSpacer(horizontalSpacer);
spacing = SiblingSpacing;
}
}
/// <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);
}
}
}
