#usage "<b>Export drill configuration</b>\n"
       "<p>"
       "Generates a drill configuration file for the current board."
       "<p>"
       "Units: mm or inches can be chosen."
       "<p>"
       "The generated file can be edited before saving."
       "<p>"
       "Use this ULP also for checking the drills of a board."
       "<p>"
       "<author>Author: support@cadsoft.de</author>"

// THIS PROGRAM IS PROVIDED AS IS AND WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED

/*
 *  This EAGLE User Language Program generates
 *  a drill configuration file for the current
 *  board.
 *
 *  Units can be switched between mm and inch.
 */

string unitName[] = { "mm", "in" };
int    Unit, unitPrec[] = { 2, 3 }, RoundFactor = pow(10, unitPrec[Unit]),
       Result = 0, imax = 0;
real   Drilling[];
string s, fileName, conf = "";
enum { unitMM, unitINCH};

  int getunit (void) {
  string s;
  int Unit = unitMM; // preset unit
  Result = dlgDialog("Drill Configuration") {
    dlgHBoxLayout {
       dlgStretch(0);
       dlgGroup("Select unit for output file") {
          dlgStretch(0);
          dlgGridLayout {
             dlgCell(1, 0)  dlgRadioButton("&mm", Unit);
             dlgCell(2, 0)  dlgRadioButton("&inch", Unit);
             }
          }
       dlgStretch(0);
       dlgVBoxLayout {
          dlgHBoxLayout {
             dlgSpacing(20);
             dlgStretch(0);
             dlgPushButton("+OK") dlgAccept();
             dlgStretch(1);
             }
          dlgHBoxLayout {
             dlgSpacing(20);
             dlgStretch(0);
             dlgPushButton("-Quit") dlgReject();
             dlgStretch(1);
             }
          }
       dlgStretch(1);
       }
     dlgStretch(1);
    };
  RoundFactor = pow(10, unitPrec[Unit]);
  return Unit;
}

void AddDrilling(int Size)
{
  real x;

  switch (Unit) {
    case unitMM:   x = round(u2mm(Size) * RoundFactor) / RoundFactor;
                   break;
    case unitINCH: x = round(u2inch(Size) * RoundFactor) / RoundFactor;
                   break;
    }

  for (int i = imax; --i >= 0; )
      if (Drilling[i] == x)
         return;
  Drilling[imax++] = x;
}

Unit = getunit();
if (Result == 0) exit(0);
board(B) {
  B.holes(H) AddDrilling(H.drill);
  B.signals(S) S.vias(V) AddDrilling(V.drill);
  B.elements(E) {
    E.package.contacts(C) {
      if (C.pad)
         AddDrilling(C.pad.drill);
      }
    E.package.holes(H) AddDrilling(H.drill);
    }
  sort(imax, Drilling);

  for (int i = 0; i < imax; ++i) {
      sprintf(s, "T%02d %5.*f%s\n", i + 1, unitPrec[Unit], Drilling[i], unitName[Unit]);
      conf += s;
      }

  dlgDialog("Edit Drill Configuration") {
     dlgVBoxLayout {
     dlgLabel("Edit only if you are sure what you do!");
     dlgTextEdit(conf);
        dlgPushButton("+Ok") dlgAccept();
        dlgPushButton("-Cancel") dlgReject();
        }
     };


  fileName = dlgFileSave("Save Configuration File", filesetext(B.name, ".drl"), "*.drl");
  if (fileName == "") exit(0);

  output(fileName) {
    printf("%s",conf);
    }
  }