handsontable
Version:
Handsontable is a JavaScript Data Grid available for React, Angular and Vue.
45 lines (42 loc) • 1.5 kB
JavaScript
;
exports.__esModule = true;
var _indexMap = require("./indexMap");
var _indexesSequence = require("./utils/indexesSequence");
var _utils = require("./utils");
/**
* Map for storing mappings from an index to a physical index.
*
* It also updates the physical indexes (remaining in the map) on remove/add row or column action.
*
* @class IndexesSequence
*/
class IndexesSequence extends _indexMap.IndexMap {
constructor() {
// Not handling custom init function or init value.
super(index => index);
}
/**
* Add values to list and reorganize.
*
* @private
* @param {number} insertionIndex Position inside the list.
* @param {Array} insertedIndexes List of inserted indexes.
*/
insert(insertionIndex, insertedIndexes) {
const listAfterUpdate = (0, _utils.getIncreasedIndexes)(this.indexedValues, insertedIndexes);
this.indexedValues = (0, _indexesSequence.getListWithInsertedItems)(listAfterUpdate, insertionIndex, insertedIndexes);
super.insert(insertionIndex, insertedIndexes);
}
/**
* Remove values from the list and reorganize.
*
* @private
* @param {Array} removedIndexes List of removed indexes.
*/
remove(removedIndexes) {
const listAfterUpdate = (0, _indexesSequence.getListWithRemovedItems)(this.indexedValues, removedIndexes);
this.indexedValues = (0, _utils.getDecreasedIndexes)(listAfterUpdate, removedIndexes);
super.remove(removedIndexes);
}
}
exports.IndexesSequence = IndexesSequence;