devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
158 lines (156 loc) • 6.27 kB
JavaScript
/**
* DevExtreme (cjs/ui/selection/selection.strategy.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 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 _class = _interopRequireDefault(require("../../core/class"));
var _deferred = require("../../core/utils/deferred");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
var _default = _class.default.inherit({
ctor: function(options) {
this.options = options;
this._setOption("disabledItemKeys", []);
this._clearItemKeys()
},
_clearItemKeys: function() {
this._setOption("addedItemKeys", []);
this._setOption("removedItemKeys", []);
this._setOption("removedItems", []);
this._setOption("addedItems", [])
},
validate: _common.noop,
_setOption: function(name, value) {
this.options[name] = value
},
onSelectionChanged: function() {
var addedItemKeys = this.options.addedItemKeys;
var removedItemKeys = this.options.removedItemKeys;
var addedItems = this.options.addedItems;
var removedItems = this.options.removedItems;
var selectedItems = this.options.selectedItems;
var selectedItemKeys = this.options.selectedItemKeys;
var onSelectionChanged = this.options.onSelectionChanged || _common.noop;
this._clearItemKeys();
onSelectionChanged({
selectedItems: selectedItems,
selectedItemKeys: selectedItemKeys,
addedItemKeys: addedItemKeys,
removedItemKeys: removedItemKeys,
addedItems: addedItems,
removedItems: removedItems
})
},
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)
},
getSelectableItems: function(items) {
return items.filter((function(item) {
return !item.disabled
}))
},
_clearSelection: function(keys, preserve, isDeselect, isSelectAll) {
keys = keys || [];
keys = Array.isArray(keys) ? keys : [keys];
this.validate();
return this.selectedItemKeys(keys, preserve, isDeselect, isSelectAll)
},
_loadFilteredData: function(remoteFilter, localFilter, select, isSelectAll) {
var filterLength = encodeURI(JSON.stringify(remoteFilter)).length;
var needLoadAllData = this.options.maxFilterLengthInRequest && filterLength > this.options.maxFilterLengthInRequest;
var deferred = new _deferred.Deferred;
var 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) {
var 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
},
updateSelectedItemKeyHash: function(keys) {
for (var i = 0; i < keys.length; i++) {
var keyHash = (0, _common.getKeyHash)(keys[i]);
if (!(0, _type.isObject)(keyHash)) {
this.options.keyHashIndices[keyHash] = this.options.keyHashIndices[keyHash] || [];
var keyIndices = this.options.keyHashIndices[keyHash];
keyIndices.push(i)
}
}
},
_isAnyItemSelected: function(items) {
for (var i = 0; i < items.length; i++) {
if (this.options.isItemSelected(items[i])) {
return
}
}
return false
},
_getFullSelectAllState: function() {
var items = this.options.plainItems();
var dataFilter = this.options.filter();
var selectedItems = this.options.selectedItems;
if (dataFilter) {
selectedItems = (0, _query.default)(selectedItems).filter(dataFilter).toArray()
}
var selectedItemsLength = selectedItems.length;
if (!selectedItemsLength) {
return this._isAnyItemSelected(items)
}
if (selectedItemsLength >= this.options.totalCount() - this.options.disabledItemKeys.length) {
return true
}
return
},
_getVisibleSelectAllState: function() {
var items = this.getSelectableItems(this.options.plainItems());
var hasSelectedItems = false;
var hasUnselectedItems = false;
for (var i = 0; i < items.length; i++) {
var item = items[i];
var itemData = this.options.getItemData(item);
var 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
}
}
});
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;