devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/ui/selection/selection.strategy.js)
* Version: 23.2.6
* Build date: Wed May 01 2024
*
* Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
exports.default = void 0;
var _query = _interopRequireDefault(require("../../data/query"));
var _common = require("../../core/utils/common");
var _type = require("../../core/utils/type");
var _deferred = require("../../core/utils/deferred");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
let SelectionStrategy = function() {
function SelectionStrategy(options) {
this.options = options;
this._setOption("disabledItemKeys", []);
this._clearItemKeys()
}
var _proto = SelectionStrategy.prototype;
_proto._clearItemKeys = function() {
this._setOption("addedItemKeys", []);
this._setOption("removedItemKeys", []);
this._setOption("removedItems", []);
this._setOption("addedItems", [])
};
_proto.validate = function() {};
_proto._setOption = function(name, value) {
this.options[name] = value
};
_proto.onSelectionChanged = function() {
const addedItemKeys = this.options.addedItemKeys;
const removedItemKeys = this.options.removedItemKeys;
const addedItems = this.options.addedItems;
const removedItems = this.options.removedItems;
const selectedItems = this.options.selectedItems;
const selectedItemKeys = this.options.selectedItemKeys;
const onSelectionChanged = this.options.onSelectionChanged || _common.noop;
this._clearItemKeys();
onSelectionChanged({
selectedItems: selectedItems,
selectedItemKeys: selectedItemKeys,
addedItemKeys: addedItemKeys,
removedItemKeys: removedItemKeys,
addedItems: addedItems,
removedItems: removedItems
})
};
_proto.equalKeys = function(key1, key2) {
if (this.options.equalByReference) {
if ((0, _type.isObject)(key1) && (0, _type.isObject)(key2)) {
return key1 === key2
}
}
return (0, _common.equalByValue)(key1, key2)
};
_proto.getSelectableItems = function(items) {
return items.filter((function(item) {
return !(null !== item && void 0 !== item && item.disabled)
}))
};
_proto._clearSelection = function(keys, preserve, isDeselect, isSelectAll) {
keys = keys || [];
keys = Array.isArray(keys) ? keys : [keys];
this.validate();
return this.selectedItemKeys(keys, preserve, isDeselect, isSelectAll)
};
_proto._removeTemplateProperty = function(remoteFilter) {
if (Array.isArray(remoteFilter)) {
return remoteFilter.map(f => this._removeTemplateProperty(f))
}
if ((0, _type.isObject)(remoteFilter)) {
delete remoteFilter.template
}
return remoteFilter
};
_proto._loadFilteredData = function(remoteFilter, localFilter, select, isSelectAll) {
const filterLength = encodeURI(JSON.stringify(this._removeTemplateProperty(remoteFilter))).length;
const needLoadAllData = this.options.maxFilterLengthInRequest && filterLength > this.options.maxFilterLengthInRequest;
const deferred = new _deferred.Deferred;
const loadOptions = {
filter: needLoadAllData ? void 0 : remoteFilter,
select: needLoadAllData ? this.options.dataFields() : select || this.options.dataFields()
};
if (remoteFilter && 0 === remoteFilter.length) {
deferred.resolve([])
} else {
this.options.load(loadOptions).done((function(items) {
let filteredItems = (0, _type.isPlainObject)(items) ? items.data : items;
if (localFilter && !isSelectAll) {
filteredItems = filteredItems.filter(localFilter)
} else if (needLoadAllData) {
filteredItems = (0, _query.default)(filteredItems).filter(remoteFilter).toArray()
}
deferred.resolve(filteredItems)
})).fail(deferred.reject.bind(deferred))
}
return deferred
};
_proto.updateSelectedItemKeyHash = function(keys) {
for (let i = 0; i < keys.length; i++) {
const keyHash = (0, _common.getKeyHash)(keys[i]);
if (!(0, _type.isObject)(keyHash)) {
this.options.keyHashIndices[keyHash] = this.options.keyHashIndices[keyHash] || [];
const keyIndices = this.options.keyHashIndices[keyHash];
keyIndices.push(i)
}
}
};
_proto._isAnyItemSelected = function(items) {
for (let i = 0; i < items.length; i++) {
if (this.options.isItemSelected(items[i])) {
return
}
}
return false
};
_proto._getFullSelectAllState = function() {
const items = this.options.plainItems();
const dataFilter = this.options.filter();
let selectedItems = this.options.ignoreDisabledItems ? this.options.selectedItems : this.options.selectedItems.filter(item => !(null !== item && void 0 !== item && item.disabled));
if (dataFilter) {
selectedItems = (0, _query.default)(selectedItems).filter(dataFilter).toArray()
}
const selectedItemsLength = selectedItems.length;
const disabledItemsLength = items.length - this.getSelectableItems(items).length;
if (!selectedItemsLength) {
return this._isAnyItemSelected(items)
}
if (selectedItemsLength >= this.options.totalCount() - disabledItemsLength) {
return true
}
return
};
_proto._getVisibleSelectAllState = function() {
const items = this.getSelectableItems(this.options.plainItems());
let hasSelectedItems = false;
let hasUnselectedItems = false;
for (let i = 0; i < items.length; i++) {
const item = items[i];
const itemData = this.options.getItemData(item);
const key = this.options.keyOf(itemData);
if (this.options.isSelectableItem(item)) {
if (this.isItemKeySelected(key)) {
hasSelectedItems = true
} else {
hasUnselectedItems = true
}
}
}
if (hasSelectedItems) {
return !hasUnselectedItems ? true : void 0
} else {
return false
}
};
return SelectionStrategy
}();
exports.default = SelectionStrategy;
module.exports = exports.default;
module.exports.default = exports.default;