Function MultiDrag

modular/sortable.complete.esm.js:2784–2817

(sortable)

  clonesHidden;
function MultiDragPlugin() {
  function MultiDrag(sortable) {
    // Bind all private methods
    for (var fn in this) {
      if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
        this[fn] = this[fn].bind(this);
      }
    }
    if (!sortable.options.avoidImplicitDeselect) {
      if (sortable.options.supportPointer) {
        on(document, 'pointerup', this._deselectMultiDrag);
      } else {
        on(document, 'mouseup', this._deselectMultiDrag);
        on(document, 'touchend', this._deselectMultiDrag);
      }
    }
    on(document, 'keydown', this._checkKeyDown);
    on(document, 'keyup', this._checkKeyUp);
    this.defaults = {
      selectedClass: 'sortable-selected',
      multiDragKey: null,
      avoidImplicitDeselect: false,
      setData: function setData(dataTransfer, dragEl) {
        var data = '';
        if (multiDragElements.length && multiDragSortable === sortable) {
          multiDragElements.forEach(function (multiDragElement, i) {
            data += (!i ? '' : ', ') + multiDragElement.textContent;
          });
        } else {
          data = dragEl.textContent;
        }
        dataTransfer.setData('Text', data);
      }
    };
  }
  MultiDrag.prototype = {
    multiDragKeyDown: false,
    isMultiDrag: false,