Method appendRowHeader

handsontable/src/tableView.ts:1486–1514

* Append row header to a TH element. * * @private * @param {number} visualRowIndex The visual row index. * @param {HTMLTableHeaderCellElement} TH The table header element.

(visualRowIndex: number, TH: HTMLTableCellElement)

   * @param {HTMLTableHeaderCellElement} TH The table header element.
   */
  appendRowHeader(visualRowIndex: number, TH: HTMLTableCellElement) {
    if (TH.firstChild) {
      const container = TH.firstChild as HTMLElement;

      if (!hasClass(container, 'relative')) {
        empty(TH);
        this.appendRowHeader(visualRowIndex, TH);

        return;
      }

      this.updateCellHeader(
        container.querySelector<HTMLElement>('.rowHeader')!, visualRowIndex, this.hot.getRowHeader);

    } else {
      const { rootDocument, getRowHeader } = this.hot;
      const div = rootDocument.createElement('div');
      const span = rootDocument.createElement('span');

      div.className = 'relative';
      span.className = 'rowHeader';
      this.updateCellHeader(span, visualRowIndex, getRowHeader);

      div.appendChild(span);
      TH.appendChild(div);
    }

    this.hot.runHooks('afterGetRowHeader', visualRowIndex, TH);
  }

  /**
   * Append column header to a TH element.