devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/__internal/ui/selection/m_selection.strategy.deferred.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _query = _interopRequireDefault(require("../../../common/data/query"));
var _deferred = require("../../../core/utils/deferred");
var _type = require("../../../core/utils/type");
var _ui = _interopRequireDefault(require("../../../ui/widget/ui.errors"));
var _m_selection = _interopRequireDefault(require("./m_selection.strategy"));
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
class DeferredStrategy extends _m_selection.default {
getSelectedItems() {
return this._loadFilteredData(this.options.selectionFilter)
}
getSelectedItemKeys() {
const d = (0, _deferred.Deferred)();
const that = this;
const key = this.options.key();
const select = (0, _type.isString)(key) ? [key] : key;
this._loadFilteredData(this.options.selectionFilter, null, select).done((items => {
const keys = items.map((item => that.options.keyOf(item)));
d.resolve(keys)
})).fail(d.reject);
return d.promise()
}
selectedItemKeys(keys, preserve, isDeselect, isSelectAll) {
if (isSelectAll) {
const filter = this.options.filter();
const needResetSelectionFilter = !filter || JSON.stringify(filter) === JSON.stringify(this.options.selectionFilter) && isDeselect;
if (needResetSelectionFilter) {
this._setOption("selectionFilter", isDeselect ? [] : null)
} else {
this._addSelectionFilter(isDeselect, filter, isSelectAll)
}
} else {
if (!preserve) {
this._setOption("selectionFilter", [])
}
for (let i = 0; i < keys.length; i++) {
if (isDeselect) {
this.removeSelectedItem(keys[i])
} else {
this.addSelectedItem(keys[i], isSelectAll, !preserve)
}
}
}
this.onSelectionChanged();
return (0, _deferred.Deferred)().resolve()
}
setSelectedItems(keys) {
this._setOption("selectionFilter", null);
for (let i = 0; i < keys.length; i++) {
this.addSelectedItem(keys[i])
}
}
isItemDataSelected(itemData) {
return this.isItemKeySelected(itemData)
}
isItemKeySelected(itemData) {
const {
selectionFilter: selectionFilter,
sensitivity: sensitivity
} = this.options;
if (!selectionFilter) {
return true
}
const queryParams = {
langParams: {
collatorOptions: {
sensitivity: sensitivity
}
}
};
return !!(0, _query.default)([itemData], queryParams).filter(selectionFilter).toArray().length
}
_getKeyExpr() {
const keyField = this.options.key();
if (Array.isArray(keyField) && 1 === keyField.length) {
return keyField[0]
}
return keyField
}
_normalizeKey(key) {
const keyExpr = this.options.key();
if (Array.isArray(keyExpr) && 1 === keyExpr.length) {
return key[keyExpr[0]]
}
return key
}
_getFilterByKey(key) {
const keyField = this._getKeyExpr();
let filter = [keyField, "=", this._normalizeKey(key)];
if (Array.isArray(keyField)) {
filter = [];
for (let i = 0; i < keyField.length; i++) {
filter.push([keyField[i], "=", key[keyField[i]]]);
if (i !== keyField.length - 1) {
filter.push("and")
}
}
}
return filter
}
addSelectedItem(key, isSelectAll, skipFilter) {
const filter = this._getFilterByKey(key);
this._addSelectionFilter(false, filter, isSelectAll, skipFilter)
}
removeSelectedItem(key) {
const filter = this._getFilterByKey(key);
this._addSelectionFilter(true, filter)
}
validate() {
const {
key: key
} = this.options;
if (key && void 0 === key()) {
throw _ui.default.Error("E1042", "Deferred selection")
}
}
_findSubFilter(selectionFilter, filter) {
if (!selectionFilter) {
return -1
}
const filterString = JSON.stringify(filter);
for (let index = 0; index < selectionFilter.length; index++) {
const subFilter = selectionFilter[index];
if (subFilter && JSON.stringify(subFilter) === filterString) {
return index
}
}
return -1
}
_isLastSubFilter(selectionFilter, filter) {
if (selectionFilter && filter) {
return this._findSubFilter(selectionFilter, filter) === selectionFilter.length - 1 || 0 === this._findSubFilter([selectionFilter], filter)
}
return false
}
_addFilterOperator(selectionFilter, filterOperator) {
if (selectionFilter.length > 1 && (0, _type.isString)(selectionFilter[1]) && selectionFilter[1] !== filterOperator) {
selectionFilter = [selectionFilter]
}
if (selectionFilter.length) {
selectionFilter.push(filterOperator)
}
return selectionFilter
}
_denormalizeFilter(filter) {
if (filter && (0, _type.isString)(filter[0])) {
filter = [filter]
}
return filter
}
_isOnlyNegativeFiltersLeft(filters) {
return filters.every(((filterItem, i) => {
if (i % 2 === 0) {
return Array.isArray(filterItem) && "!" === filterItem[0]
}
return "and" === filterItem
}))
}
_addSelectionFilter(isDeselect, filter, isSelectAll, skipFilter) {
var _selectionFilter;
const that = this;
const currentFilter = isDeselect ? ["!", filter] : filter;
const currentOperation = isDeselect ? "and" : "or";
let needAddFilter = true;
let selectionFilter = that.options.selectionFilter || [];
selectionFilter = that._denormalizeFilter(selectionFilter);
if (null !== (_selectionFilter = selectionFilter) && void 0 !== _selectionFilter && _selectionFilter.length && !skipFilter) {
const removedIndex = that._removeSameFilter(selectionFilter, filter, isDeselect, isSelectAll);
const filterIndex = that._removeSameFilter(selectionFilter, filter, !isDeselect);
const shouldCleanFilter = isDeselect && (-1 !== removedIndex || -1 !== filterIndex) && this._isOnlyNegativeFiltersLeft(selectionFilter);
if (shouldCleanFilter) {
selectionFilter = []
}
const isKeyOperatorsAfterRemoved = this._isKeyFilter(filter) && this._hasKeyFiltersOnlyStartingFromIndex(selectionFilter, filterIndex);
needAddFilter = filter.length && !isKeyOperatorsAfterRemoved
}
if (needAddFilter) {
selectionFilter = that._addFilterOperator(selectionFilter, currentOperation);
selectionFilter.push(currentFilter)
}
selectionFilter = that._normalizeFilter(selectionFilter);
that._setOption("selectionFilter", !isDeselect && !selectionFilter.length ? null : selectionFilter)
}
_normalizeFilter(filter) {
if (filter && 1 === filter.length) {
filter = filter[0]
}
return filter
}
_removeFilterByIndex(filter, filterIndex, isSelectAll) {
const operation = filter[1];
if (filterIndex > 0) {
filter.splice(filterIndex - 1, 2)
} else {
filter.splice(filterIndex, 2)
}
if (isSelectAll && "and" === operation) {
filter.splice(0, filter.length)
}
}
_isSimpleKeyFilter(filter, key) {
return 3 === filter.length && filter[0] === key && "=" === filter[1]
}
_isKeyFilter(filter) {
if (2 === filter.length && "!" === filter[0]) {
return this._isKeyFilter(filter[1])
}
const keyField = this._getKeyExpr();
if (Array.isArray(keyField)) {
if (filter.length !== 2 * keyField.length - 1) {
return false
}
for (let i = 0; i < keyField.length; i++) {
if (i > 0 && "and" !== filter[2 * i - 1]) {
return false
}
if (!this._isSimpleKeyFilter(filter[2 * i], keyField[i])) {
return false
}
}
return true
}
return this._isSimpleKeyFilter(filter, keyField)
}
_hasKeyFiltersOnlyStartingFromIndex(selectionFilter, filterIndex) {
if (filterIndex >= 0) {
for (let i = filterIndex; i < selectionFilter.length; i++) {
if ("string" !== typeof selectionFilter[i] && !this._isKeyFilter(selectionFilter[i])) {
return false
}
}
return true
}
return false
}
_removeSameFilter(selectionFilter, filter, inverted, isSelectAll) {
filter = inverted ? ["!", filter] : filter;
if (JSON.stringify(filter) === JSON.stringify(selectionFilter)) {
selectionFilter.splice(0, selectionFilter.length);
return 0
}
const filterIndex = this._findSubFilter(selectionFilter, filter);
if (filterIndex >= 0) {
this._removeFilterByIndex(selectionFilter, filterIndex, isSelectAll);
return filterIndex
}
for (let i = 0; i < selectionFilter.length; i++) {
if (Array.isArray(selectionFilter[i]) && selectionFilter[i].length > 2) {
const filterIndex = this._removeSameFilter(selectionFilter[i], filter, false, isSelectAll);
if (filterIndex >= 0) {
if (!selectionFilter[i].length) {
this._removeFilterByIndex(selectionFilter, i, isSelectAll)
} else if (1 === selectionFilter[i].length) {
selectionFilter[i] = selectionFilter[i][0]
}
return filterIndex
}
}
}
return -1
}
getSelectAllState() {
const filter = this.options.filter();
let {
selectionFilter: selectionFilter
} = this.options;
if (!selectionFilter) {
return true
}
if (!selectionFilter.length) {
return false
}
if (!filter || !filter.length) {
return
}
selectionFilter = this._denormalizeFilter(selectionFilter);
if (this._isLastSubFilter(selectionFilter, filter)) {
return true
}
if (this._isLastSubFilter(selectionFilter, ["!", filter])) {
return false
}
return
}
loadSelectedItemsWithFilter() {
const componentFilter = this.options.filter();
const {
selectionFilter: selectionFilter
} = this.options;
const filter = componentFilter ? [componentFilter, "and", selectionFilter] : selectionFilter;
return this._loadFilteredData(filter)
}
_onePageSelectAll(isDeselect) {
this._selectAllPlainItems(isDeselect);
this.onSelectionChanged();
return (0, _deferred.Deferred)().resolve()
}
}
exports.default = DeferredStrategy;