Method attach

codebase/sources/dhtmlxscheduler.es.js:20948–20992

(config)

    this.delayHide();
  }
  attach(config) {
    let root = document.body;
    const scheduler2 = this._scheduler;
    const domHelpers = scheduler2.$domHelpers;
    if (!config.global) {
      root = scheduler2.$root;
    }
    let watchableTarget = null;
    const handler = (event2) => {
      const eventTarget = domHelpers.getTargetNode(event2);
      const targetNode = domHelpers.closest(eventTarget, config.selector);
      if (domHelpers.isChildOf(eventTarget, this.tooltip.getNode())) {
        return;
      }
      const doOnMouseEnter = () => {
        watchableTarget = targetNode;
        config.onmouseenter(event2, targetNode);
      };
      if (scheduler2._mobile && scheduler2.config.touch_tooltip) {
        if (targetNode) {
          doOnMouseEnter();
        } else {
          config.onmouseleave(event2, targetNode);
        }
      }
      if (watchableTarget) {
        if (targetNode && targetNode === watchableTarget) {
          config.onmousemove(event2, targetNode);
        } else {
          config.onmouseleave(event2, watchableTarget);
          watchableTarget = null;
          if (targetNode && targetNode !== watchableTarget) {
            doOnMouseEnter();
          }
        }
      } else {
        if (targetNode) {
          doOnMouseEnter();
        }
      }
    };
    this.detach(config.selector);
    this._domEvents.attach(root, "mousemove", handler);
    this._listeners[config.selector] = { node: root, handler };
  }
  detach(selector) {
    const listener = this._listeners[selector];
    if (listener) {