// Affichage anciens (non BUT) bulletin de notes
// (uses jQuery)

// Change visibility of UE details (les <tr> de classe "notes_bulletin_row_mod" suivant)
// La table a la structure suivante:
//  <tr class="notes_bulletin_row_ue"><td><span class="toggle_ue">+/-</span>...</td>...</tr>
//  <tr class="notes_bulletin_row_mod">...</tr>
//  <tr class="notes_bulletin_row_eval">...</tr>
//
// On change la visi de tous les <tr> jusqu'au notes_bulletin_row_ue suivant.
//
function toggle_vis_ue(e, new_state) {
  // e is the span containg the clicked +/- icon
  var tr = e.parentNode.parentNode;
  if (new_state == undefined) {
    // current state: use alt attribute of current image
    if (e.childNodes[0].alt == "+") {
      new_state = false;
    } else {
      new_state = true;
    }
  }
  // find next tr in siblings
  var tr = tr.nextSibling;
  //while ((tr != null) && sibl.tagName == 'TR') {
  var current = true;
  while (tr != null && current) {
    if (tr.nodeType == 1 && tr.tagName == "TR") {
      for (var i = 0; i < tr.classList.length; i++) {
        if (
          tr.classList[i] == "notes_bulletin_row_ue" ||
          tr.classList[i] == "notes_bulletin_row_sum_ects"
        )
          current = false;
      }
      if (current) {
        if (new_state) {
          tr.style.display = "none";
        } else {
          tr.style.display = "table-row";
        }
      }
    }
    tr = tr.nextSibling;
  }
  if (new_state) {
    e.innerHTML =
      '<img width="13" height="13" border="0" title="" alt="+" src="/ScoDoc/static/icons/plus_img.png"/>';
  } else {
    e.innerHTML =
      '<img width="13" height="13" border="0" title="" alt="-" src="/ScoDoc/static/icons/minus_img.png"/>';
  }
}