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add check for nodes that need to move with edges even if they start behind the original node

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Gavin Nishizawa 2023-07-28 02:10:27 -07:00 committed by Alexander Wang
parent 120811e687
commit 189edf552a
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GPG key ID: D89FA31966BDBECE
1 changed files with 48 additions and 17 deletions
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35
d2layouts/d2dagrelayout/layout.go
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@ -856,6 +856,7 @@ func shiftUp(g *d2graph.Graph, start, distance float64, isHorizontal bool) {
func shiftReachableDown(g *d2graph.Graph, obj *d2graph.Object, start, distance float64, isHorizontal, isMargin bool) map[*d2graph.Object]struct{} {
q := []*d2graph.Object{obj}
needsMove := make(map[*d2graph.Object]struct{})
seen := make(map[*d2graph.Object]struct{})
shifted := make(map[*d2graph.Object]struct{})
shiftedEdges := make(map[*d2graph.Edge]struct{})
@ -915,6 +916,7 @@ func shiftReachableDown(g *d2graph.Graph, obj *d2graph.Object, start, distance f
}
// skip other objects behind start
if curr != obj {
if _, in := needsMove[curr]; !in {
if isHorizontal {
if curr.TopLeft.X < start {
continue
@ -925,26 +927,31 @@ func shiftReachableDown(g *d2graph.Graph, obj *d2graph.Object, start, distance f
}
}
}
}
if isHorizontal {
shift := false
_, shift := needsMove[curr]
if !shift {
if !isMargin {
shift = start < curr.TopLeft.X
} else {
shift = start <= curr.TopLeft.X
}
}
if shift {
curr.TopLeft.X += distance
shifted[curr] = struct{}{}
}
} else {
shift := false
_, shift := needsMove[curr]
if !shift {
if !isMargin {
shift = start < curr.TopLeft.Y
} else {
shift = start <= curr.TopLeft.Y
}
}
if shift {
curr.TopLeft.Y += distance
shifted[curr] = struct{}{}
@ -977,6 +984,18 @@ func shiftReachableDown(g *d2graph.Graph, obj *d2graph.Object, start, distance f
shiftedEdges[e] = struct{}{}
continue
} else if e.Src == curr {
last := e.Route[len(e.Route)-1]
if isHorizontal {
if start <= last.X &&
e.Dst.TopLeft.X+e.Dst.Width < last.X+distance {
needsMove[e.Dst] = struct{}{}
}
} else {
if start <= last.Y &&
e.Dst.TopLeft.Y+e.Dst.Height < last.Y+distance {
needsMove[e.Dst] = struct{}{}
}
}
queue(e.Dst)
if isHorizontal {
for _, p := range e.Route {
@ -993,6 +1012,18 @@ func shiftReachableDown(g *d2graph.Graph, obj *d2graph.Object, start, distance f
}
shiftedEdges[e] = struct{}{}
} else if e.Dst == curr {
first := e.Route[0]
if isHorizontal {
if start <= first.X &&
e.Src.TopLeft.X+e.Src.Width < first.X+distance {
needsMove[e.Src] = struct{}{}
}
} else {
if start <= first.Y &&
e.Src.TopLeft.Y+e.Src.Height < first.Y+distance {
needsMove[e.Src] = struct{}{}
}
}
queue(e.Src)
if isHorizontal {
for _, p := range e.Route {