handsontable/plugins/undoRedo/actions/removeRow.js

Handsontable is a JavaScript Data Grid available for React, Angular and Vue.

"use strict";

exports.__esModule = true;
require("core-js/modules/es.error.cause.js");
require("core-js/modules/es.array.push.js");
require("core-js/modules/esnext.iterator.constructor.js");
require("core-js/modules/esnext.iterator.for-each.js");
var _base = require("./_base");
var _utils = require("../utils");
var _object = require("../../../helpers/object");
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
 * Action that tracks changes in row removal.
 *
 * @class RemoveRowAction
 * @private
 */
class RemoveRowAction extends _base.BaseAction {
  constructor(_ref) {
    let {
      index,
      data,
      fixedRowsBottom,
      fixedRowsTop,
      rowIndexesSequence,
      removedCellMetas
    } = _ref;
    super('remove_row');
    /**
     * @param {number} index The physical row index.
     */
    _defineProperty(this, "index", void 0);
    /**
     * @param {Array} data The removed data.
     */
    _defineProperty(this, "data", void 0);
    /**
     * @param {number} fixedRowsBottom Number of fixed rows on the bottom. Remove row action change it sometimes.
     */
    _defineProperty(this, "fixedRowsBottom", void 0);
    /**
     * @param {number} fixedRowsTop Number of fixed rows on the top. Remove row action change it sometimes.
     */
    _defineProperty(this, "fixedRowsTop", void 0);
    /**
     * @param {Array} rowIndexesSequence Row index sequence taken from the row index mapper.
     */
    _defineProperty(this, "rowIndexesSequence", void 0);
    /**
     * @param {Array} removedCellMetas List of removed cell metas.
     */
    _defineProperty(this, "removedCellMetas", void 0);
    this.index = index;
    this.data = data;
    this.fixedRowsBottom = fixedRowsBottom;
    this.fixedRowsTop = fixedRowsTop;
    this.rowIndexesSequence = rowIndexesSequence;
    this.removedCellMetas = removedCellMetas;
  }
  static startRegisteringEvents(hot, undoRedoPlugin) {
    hot.addHook('beforeRemoveRow', (index, amount, logicRows, source) => {
      const wrappedAction = () => {
        const physicalRowIndex = hot.toPhysicalRow(index);
        const lastRowIndex = physicalRowIndex + amount - 1;
        const removedData = (0, _object.deepClone)(hot.getSourceData(physicalRowIndex, 0, physicalRowIndex + amount - 1, hot.countSourceCols() - 1));
        return new RemoveRowAction({
          index: physicalRowIndex,
          data: removedData,
          fixedRowsBottom: hot.getSettings().fixedRowsBottom,
          fixedRowsTop: hot.getSettings().fixedRowsTop,
          rowIndexesSequence: hot.rowIndexMapper.getIndexesSequence(),
          removedCellMetas: (0, _utils.getCellMetas)(hot, physicalRowIndex, lastRowIndex, 0, hot.countCols() - 1)
        });
      };
      undoRedoPlugin.done(wrappedAction, source);
    });
  }

  /**
   * @param {Core} hot The Handsontable instance.
   * @param {function(): void} undoneCallback The callback to be called after the action is undone.
   */
  undo(hot, undoneCallback) {
    const settings = hot.getSettings();
    const changes = [];

    // Changing by the reference as `updateSettings` doesn't work the best.
    settings.fixedRowsBottom = this.fixedRowsBottom;
    settings.fixedRowsTop = this.fixedRowsTop;

    // Prepare the change list to fill the source data.
    this.data.forEach((dataRow, rowIndexDelta) => {
      Object.keys(dataRow).forEach(columnProp => {
        const columnIndex = parseInt(columnProp, 10);
        changes.push([this.index + rowIndexDelta, isNaN(columnIndex) ? columnProp : columnIndex, dataRow[columnProp]]);
      });
    });

    // The indexes sequence have to be applied twice.
    //  * First for proper index translation. The alter method accepts a visual index
    //    and we are able to retrieve the correct index indicating where to add a new row based
    //    only on the previous order state of the rows;
    //  * The alter method shifts the indexes (a side-effect), so we need to reapply the indexes sequence
    //    the same as it was in the previous state;
    hot.rowIndexMapper.setIndexesSequence(this.rowIndexesSequence);
    hot.alter('insert_row_above', hot.toVisualRow(this.index), this.data.length, 'UndoRedo.undo');
    hot.rowIndexMapper.setIndexesSequence(this.rowIndexesSequence);
    this.removedCellMetas.forEach(_ref2 => {
      let [rowIndex, columnIndex, cellMeta] = _ref2;
      hot.setCellMetaObject(rowIndex, columnIndex, cellMeta);
    });
    hot.addHookOnce('afterViewRender', undoneCallback);
    hot.setSourceDataAtCell(changes, null, null, 'UndoRedo.undo');
  }

  /**
   * @param {Core} hot The Handsontable instance.
   * @param {function(): void} redoneCallback The callback to be called after the action is redone.
   */
  redo(hot, redoneCallback) {
    hot.addHookOnce('afterRemoveRow', redoneCallback);
    hot.alter('remove_row', hot.toVisualRow(this.index), this.data.length, 'UndoRedo.redo');
  }
}
exports.RemoveRowAction = RemoveRowAction;