devextreme
Version:
JavaScript/TypeScript Component Suite for Responsive Web Development
84 lines (83 loc) • 2.78 kB
JavaScript
/**
* DevExtreme (esm/__internal/ui/collection/collection_widget.edit.strategy.plain.js)
* Version: 25.2.7
* Build date: Tue May 05 2026
*
* Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import EditStrategy from "../../ui/collection/collection_widget.edit.strategy";
class PlainEditStrategy extends EditStrategy {
_getPlainItems() {
return this._getItems() ?? []
}
getIndexByItemData(itemData) {
const keyOf = this._collectionWidget.keyOf.bind(this._collectionWidget);
if (keyOf) {
return this.getIndexByKey(keyOf(itemData))
}
return this._getPlainItems().indexOf(itemData)
}
getItemDataByIndex(index) {
return this._getPlainItems()[index]
}
deleteItemAtIndex(index) {
this._getPlainItems().splice(index, 1)
}
itemsGetter() {
return this._getPlainItems()
}
getKeysByItems(items) {
const keyOf = this._collectionWidget.keyOf.bind(this._collectionWidget);
let result = items;
if (keyOf) {
result = items.map(item => keyOf(item))
}
return result
}
getIndexByKey(key) {
const cache = this._cache;
const keys = (null === cache || void 0 === cache ? void 0 : cache.keys) ?? this.getKeysByItems(this._getPlainItems());
if (cache && !cache.keys) {
cache.keys = keys
}
if ("object" === typeof key) {
for (let i = 0; i < keys.length; i += 1) {
if (this._equalKeys(key, keys[i])) {
return i
}
}
} else {
return keys.indexOf(key)
}
return -1
}
getItemsByKeys(keys, items) {
return (items ?? keys).slice()
}
moveItemAtIndexToIndex(movingIndex, destinationIndex) {
const items = this._getPlainItems();
const movedItemData = items[movingIndex];
items.splice(movingIndex, 1);
items.splice(destinationIndex, 0, movedItemData)
}
_isItemIndex(index) {
return this._isNormalizedItemIndex(index)
}
_getNormalizedItemIndex(itemElement) {
return this._collectionWidget._itemElements().index(itemElement)
}
_normalizeItemIndex(index) {
return index
}
_denormalizeItemIndex(index) {
return index
}
_getItemByNormalizedIndex(index) {
return index > -1 ? this._collectionWidget._itemElements().eq(index) : null
}
_itemsFromSameParent(_firstIndex, _secondIndex) {
return true
}
}
export default PlainEditStrategy;