refactored groups, separators and delays

src/core/renderer.typ

@@ -354,7 +354,6 @@
 },)
 
 #let render(participants, elements) = context canvas(length: 1pt, {
-  let shapes = ()
   setup-ctx(participants, elements)
   
   // Draw participants (start)
@@ -372,80 +371,6 @@
       (elmt,)
     } else if "draw" in elmt and elmt.type != "par" {
       (elmt.draw)(elmt)
-
-    // Groups (start) -> reserve space for labels + store position
-    } else if elmt.type == "grp" {
-      y -= Y-SPACE
-      let m = measure(
-        box(
-          elmt.name,
-          inset: (
-            left: 5pt,
-            right: 5pt,
-            top: 3pt,
-            bottom: 3pt
-          ),
-        )
-      )
-      groups = groups.map(g => {
-        if g.at(1).min-i == elmt.min-i { g.at(2) += 1 }
-        if g.at(1).max-i == elmt.max-i { g.at(3) += 1 }
-        g
-      })
-      if elmt.grp-type == "alt" {
-        elmt.insert("elses", ())
-      }
-      groups.push((y, elmt, 0, 0))
-      y -= m.height / 1pt
-    
-    // Groups (end) -> actual drawing
-    } else if elmt.type == "grp-end" {
-      y -= Y-SPACE
-      let (start-y, group, start-lvl, end-lvl) = groups.pop()
-      let x0 = x-pos.at(group.min-i) - start-lvl * 10 - 20
-      let x1 = x-pos.at(group.max-i) + end-lvl * 10 + 20
-      shapes += draw-group(x0, x1, start-y, y, group)
-
-      if group.grp-type == "alt" {
-        for (else-y, else-elmt) in group.elses {
-          shapes += draw-else(x0, x1, else-y, else-elmt)
-        }
-      }
-
-    // Alt's elses -> reserve space for label + store position
-    } else if elmt.type == "else" {
-      y -= Y-SPACE
-      let m = measure(text([\[#elmt.desc\]], weight: "bold", size: .8em))
-      groups.last().at(1).elses.push((
-        y, elmt
-      ))
-      y -= m.height / 1pt
-
-    // Separator
-    } else if elmt.type == "sep" {
-      let shps
-      (y, shps) = draw-sep(elmt, y)
-      shapes += shps
-
-    // Delay
-    } else if elmt.type == "delay" {
-      let y0 = y
-      let y1 = y - elmt.size
-      for (i, line) in lifelines.enumerate() {
-        line.lines.push(("delay-start", y0))
-        line.lines.push(("delay-end", y1))
-        lifelines.at(i) = line
-      }
-      if elmt.name != none {
-        let x0 = x-pos.first()
-        let x1 = x-pos.last()
-        shapes += draw.content(
-          ((x0 + x1) / 2, (y0 + y1) / 2),
-          anchor: "center",
-          elmt.name
-        )
-      }
-      y = y1
     }
   }
 
@@ -476,6 +401,4 @@
     
     participant.render-lifelines()
   })
-
-  shapes
 })