********************************************************************

      *  NOTE: This file is generated automatically from the event
      *        definition file ShortestPath.evt.
      ********************************************************************


<* PRAGMA LL *>

MODULE ShortestPathTranscriptView;

<*NOWARN*> IMPORT TextConv, TextPort, Rd, ZeusClass, Filter;
<*NOWARN*> IMPORT TextEditVBT, Fmt, ZFmt, Wr, ZeusPanel, FormsVBT;
<*NOWARN*> IMPORT VBT, View, ShortestPathViewClass;

<* FATAL FormsVBT.Error, FormsVBT.Unimplemented *>

REVEAL
  T = Public BRANDED OBJECT
    fv: FormsVBT.T := NIL;
    te: TextEditVBT.T := NIL;
  OVERRIDES
    init       := TViewInit;
    install    := TViewInstall;
    delete     := TViewDelete;
    snapshot   := TViewSnapshot;
    restore    := TViewRestore;
    config     := TViewConfig;
    reactivity := TViewReactivity;
    startrun   := TViewStartrun;
    endrun     := TViewEndrun;
    oeNewVertex := NewVertex;
    oeNewEdge := NewEdge;
    oeStartFind := StartFind;
    oePromote := Promote;
    oeConsider := Consider;
    oeTraceback := Traceback;
  END;

PROCEDURE TViewInit (view: T): T =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace (view, "init");
    RETURN ShortestPathViewClass.T.init (view, NIL);
  END TViewInit;

PROCEDURE Clear (<* UNUSED *> fv  : FormsVBT.T;
                 <* UNUSED *> name: TEXT;
                              cl  : REFANY;
                 <* UNUSED *> time: VBT.TimeStamp) =
  BEGIN
    TextPort.SetText(NARROW(cl, T).te.tp, "")
  END Clear;

PROCEDURE TViewInstall (view: T) =
  <* LL = VBT.mu *>
  BEGIN
    view.fv := ZeusPanel.NewForm("ShortestPathTranscriptView.fv");
    view.te := FormsVBT.GetVBT(view.fv, "transcript");
    TViewZTrace (view, "install");
    FormsVBT.AttachProc(view.fv, "clear", Clear, view);
    EVAL Filter.Replace (view, view.fv);
    ShortestPathViewClass.T.install (view);
  END TViewInstall;

PROCEDURE TViewDelete (view: T) =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace (view, "delete");
    ShortestPathViewClass.T.delete (view);
   END TViewDelete;

PROCEDURE TViewSnapshot (view: T; wr: Wr.T) RAISES {ZeusClass.Error} =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace (view, "snapshot");
    ShortestPathViewClass.T.snapshot (view, wr);
   END TViewSnapshot;

PROCEDURE TViewRestore (view: T; rd: Rd.T) RAISES {ZeusClass.Error} =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace (view, "restore");
    ShortestPathViewClass.T.restore (view, rd);
   END TViewRestore;

PROCEDURE TViewConfig (
    view: T;
    state: ZeusClass.StateChange;
    o: ZeusClass.T) =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace (view, "config");
    ShortestPathViewClass.T.config (view, state, o);
   END TViewConfig;

PROCEDURE TViewReactivity (view: T; <*UNUSED*> on: BOOLEAN) =
  <* LL = VBT.mu *>
  BEGIN
    TViewZTrace(view, "reactivity");
    ShortestPathViewClass.T.reactivity (view, TRUE);
  END TViewReactivity;

PROCEDURE TViewStartrun (view: T) =
  <* LL = {} *>
  BEGIN
    TViewZTrace (view, "startrun");
    ShortestPathViewClass.T.startrun (view);
   END TViewStartrun;

PROCEDURE TViewEndrun (view: T) =
  <* LL = {} *>
  BEGIN
    TViewZTrace (view, "endrun");
    ShortestPathViewClass.T.endrun (view);
  END TViewEndrun;
 event handling methods: 

PROCEDURE NewVertex (view: T;  name: TEXT; x, y: REAL) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "NewVertex ...")
       ELSE
          TViewTrace (view, "NewVertex "
          & TextConv.Encode(name)
          & " "
          & Fmt.Real(x)
          & " "
          & Fmt.Real(y)
          )
       END
    END
    END
  END NewVertex;

PROCEDURE NewEdge (view: T;  name, from, to, orientation: TEXT) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "NewEdge ...")
       ELSE
          TViewTrace (view, "NewEdge "
          & TextConv.Encode(name)
          & " "
          & TextConv.Encode(from)
          & " "
          & TextConv.Encode(to)
          & " "
          & TextConv.Encode(orientation)
          )
       END
    END
    END
  END NewEdge;

PROCEDURE StartFind (view: T;  from, to: TEXT) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "StartFind ...")
       ELSE
          TViewTrace (view, "StartFind "
          & TextConv.Encode(from)
          & " "
          & TextConv.Encode(to)
          )
       END
    END
    END
  END StartFind;

PROCEDURE Promote (view: T;  edge: TEXT; sIndex, dIndex: INTEGER) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "Promote ...")
       ELSE
          TViewTrace (view, "Promote "
          & TextConv.Encode(edge)
          & " "
          & Fmt.Int(sIndex)
          & " "
          & Fmt.Int(dIndex)
          )
       END
    END
    END
  END Promote;

PROCEDURE Consider (view: T;  edge: TEXT; sIndex, dIndex: INTEGER) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "Consider ...")
       ELSE
          TViewTrace (view, "Consider "
          & TextConv.Encode(edge)
          & " "
          & Fmt.Int(sIndex)
          & " "
          & Fmt.Int(dIndex)
          )
       END
    END
    END
  END Consider;

PROCEDURE Traceback (view: T;  edge: TEXT; sIndex, dIndex: INTEGER) =
  <* LL = {} *>
  BEGIN
    LOCK VBT.mu DO
    IF FormsVBT.GetBoolean(view.fv, "alg") THEN
       IF NOT FormsVBT.GetBoolean(view.fv, "args") THEN
          TViewTrace (view, "Traceback ...")
       ELSE
          TViewTrace (view, "Traceback "
          & TextConv.Encode(edge)
          & " "
          & Fmt.Int(sIndex)
          & " "
          & Fmt.Int(dIndex)
          )
       END
    END
    END
  END Traceback;

PROCEDURE TViewZTrace (view: T; t: TEXT) =
  BEGIN
    IF view.fv # NIL THEN
      IF FormsVBT.GetBoolean(view.fv, "zeus") THEN
        TextPort.PutText(view.te.tp, "**zeus:  " & t & "\n");
        TextPort.Normalize(view.te.tp, LAST(INTEGER))
      END
    END
  END TViewZTrace;

PROCEDURE TViewTrace (view: T; t: TEXT) =
  BEGIN
    TextPort.PutText(view.te.tp, "--event: " & t & "\n");
    TextPort.Normalize(view.te.tp, LAST(INTEGER))
  END TViewTrace;

PROCEDURE TViewNew (): View.T =
  BEGIN
    RETURN NEW(T).init()
  END TViewNew;

BEGIN
  ZeusPanel.RegisterView
      (TViewNew, "ShortestPath Transcript View", "ShortestPath");
END ShortestPathTranscriptView.



interface View is in:

juno-app/src/View.i3
zeus/src/View.i3