Function refreshSelection

src/client/app.js:1626–1678

()

}

function refreshSelection() {
  var helpers = selection.getHelpers();
  if (!helpers) {
    updateQueueDuration();
    return;
  }
  Array.prototype.forEach.call(queueItemsDom.getElementsByClassName('pl-item'), removeSelectedAndCursorClasses);
  Array.prototype.forEach.call(libraryArtistsDom.getElementsByClassName('clickable'), removeSelectedAndCursorClasses);
  Array.prototype.forEach.call(playlistsListDom.getElementsByClassName('clickable'), removeSelectedAndCursorClasses);

  if (selection.cursorType == null) {
    updateQueueDuration();
    return;
  }
  for (var selectionType in helpers) {
    var helper = helpers[selectionType];
    var id;
    // clean out stale ids
    for (id in helper.ids) {
      if (helper.table[id] == null) {
        delete helper.ids[id];
      }
    }
    for (id in helper.ids) {
      var selectedDomItem = helper.getDiv(id);
      if (selectedDomItem) {
        selectedDomItem.classList.add('selected');
      }
    }
    if (selection.cursor != null && selectionType === selection.cursorType) {
      var validIds = getValidIds(selectionType);
      if (validIds[selection.cursor] == null) {
        // server just deleted our current cursor item.
        // select another of our ids randomly, if we have any.
        selection.cursor = Object.keys(helper.ids)[0];
        selection.rangeSelectAnchor = selection.cursor;
        selection.rangeSelectAnchorType = selectionType;
        if (selection.cursor == null) {
          // no selected items
          selection.fullClear();
        }
      }
      if (selection.cursor != null) {
        var cursorDomItem = helper.getDiv(selection.cursor);
        if (cursorDomItem) {
          cursorDomItem.classList.add('cursor');
        }
      }
    }
  }
  updateQueueDuration();

}

function getValidIds(selectionType) {
  switch (selectionType) {