devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/ui/collection/ui.collection_widget.live_update.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 _renderer = _interopRequireDefault(require("../../core/renderer"));
var _uiCollection_widget = _interopRequireDefault(require("./ui.collection_widget.edit"));
var _extend = require("../../core/utils/extend");
var _iterator = require("../../core/utils/iterator");
var _array_utils = require("../../data/array_utils");
var _utils = require("../../data/utils");
var _deferred = require("../../core/utils/deferred");
var _array_compare = require("../../core/utils/array_compare");
var _dom_adapter = _interopRequireDefault(require("../../core/dom_adapter"));
var _common = require("../../core/utils/common");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
const PRIVATE_KEY_FIELD = "__dx_key__";
var _default = _uiCollection_widget.default.inherit({
_getDefaultOptions: function() {
return (0, _extend.extend)(this.callBase(), {
repaintChangesOnly: false
})
},
ctor: function() {
var _this$_dataController;
this.callBase.apply(this, arguments);
this._customizeStoreLoadOptions = e => {
const dataController = this._dataController;
if (dataController.getDataSource() && !this._dataController.isLoaded()) {
this._correctionIndex = 0
}
if (this._correctionIndex && e.storeLoadOptions) {
e.storeLoadOptions.skip += this._correctionIndex
}
}, null === (_this$_dataController = this._dataController) || void 0 === _this$_dataController ? void 0 : _this$_dataController.on("customizeStoreLoadOptions", this._customizeStoreLoadOptions)
},
reload: function() {
this._correctionIndex = 0
},
_init: function() {
this.callBase();
this._refreshItemsCache();
this._correctionIndex = 0
},
_findItemElementByKey: function(key) {
let result = (0, _renderer.default)();
const keyExpr = this.key();
this.itemElements().each((_, item) => {
const $item = (0, _renderer.default)(item);
const itemData = this._getItemData($item);
if (keyExpr ? (0, _utils.keysEqual)(keyExpr, this.keyOf(itemData), key) : this._isItemEquals(itemData, key)) {
result = $item;
return false
}
});
return result
},
_dataSourceChangedHandler: function(newItems, e) {
if (null !== e && void 0 !== e && e.changes) {
this._modifyByChanges(e.changes)
} else {
this.callBase(newItems, e);
this._refreshItemsCache()
}
},
_isItemEquals: function(item1, item2) {
if (item1 && item1.__dx_key__) {
item1 = item1.data
}
try {
return JSON.stringify(item1) === JSON.stringify(item2)
} catch (e) {
return item1 === item2
}
},
_isItemStrictEquals: function(item1, item2) {
return this._isItemEquals(item1, item2)
},
_shouldAddNewGroup: function(changes, items) {
let result = false;
if (this.option("grouped")) {
if (!changes.length) {
result = true
}(0, _iterator.each)(changes, (i, change) => {
if ("insert" === change.type) {
result = true;
(0, _iterator.each)(items, (_, item) => {
if (void 0 !== change.data.key && change.data.key === item.key) {
result = false;
return false
}
})
}
})
}
return result
},
_partialRefresh: function() {
if (this.option("repaintChangesOnly")) {
const keyOf = data => {
if (data && void 0 !== data.__dx_key__) {
return data.__dx_key__
}
return this.keyOf(data)
};
const result = (0, _array_compare.findChanges)(this._itemsCache, this._editStrategy.itemsGetter(), keyOf, this._isItemStrictEquals.bind(this));
if (result && this._itemsCache.length && !this._shouldAddNewGroup(result, this._itemsCache)) {
this._modifyByChanges(result, true);
this._renderEmptyMessage();
return true
} else {
this._refreshItemsCache()
}
}
return false
},
_refreshItemsCache: function() {
if (this.option("repaintChangesOnly")) {
const items = this._editStrategy.itemsGetter();
try {
this._itemsCache = (0, _extend.extend)(true, [], items);
if (!this.key()) {
this._itemsCache = this._itemsCache.map((itemCache, index) => ({
__dx_key__: items[index],
data: itemCache
}))
}
} catch (e) {
this._itemsCache = (0, _extend.extend)([], items)
}
}
},
_dispose: function() {
this._dataController.off("customizeStoreLoadOptions", this._customizeStoreLoadOptions);
this.callBase()
},
_updateByChange: function(keyInfo, items, change, isPartialRefresh) {
if (isPartialRefresh) {
this._renderItem(change.index, change.data, null, this._findItemElementByKey(change.key))
} else {
const changedItem = items[(0, _array_utils.indexByKey)(keyInfo, items, change.key)];
if (changedItem) {
(0, _array_utils.update)(keyInfo, items, change.key, change.data).done(() => {
this._renderItem(items.indexOf(changedItem), changedItem, null, this._findItemElementByKey(change.key))
})
}
}
},
_insertByChange: function(keyInfo, items, change, isPartialRefresh) {
(0, _deferred.when)(isPartialRefresh || (0, _array_utils.insert)(keyInfo, items, change.data, change.index)).done(() => {
var _change$index;
this._beforeItemElementInserted(change);
this._renderItem(null !== (_change$index = change.index) && void 0 !== _change$index ? _change$index : items.length, change.data);
this._afterItemElementInserted();
this._correctionIndex++
})
},
_updateSelectionAfterRemoveByChange: function(removeIndex) {
const selectedIndex = this.option("selectedIndex");
if (selectedIndex > removeIndex) {
this.option("selectedIndex", selectedIndex - 1)
} else if (selectedIndex === removeIndex && 1 === this.option("selectedItems").length) {
this.option("selectedItems", [])
} else {
this._normalizeSelectedItems()
}
},
_beforeItemElementInserted: function(change) {
const selectedIndex = this.option("selectedIndex");
if (change.index <= selectedIndex) {
this.option("selectedIndex", selectedIndex + 1)
}
},
_afterItemElementInserted: _common.noop,
_removeByChange: function(keyInfo, items, change, isPartialRefresh) {
const index = isPartialRefresh ? change.index : (0, _array_utils.indexByKey)(keyInfo, items, change.key);
const removedItem = isPartialRefresh ? change.oldItem : items[index];
if (removedItem) {
const $removedItemElement = this._findItemElementByKey(change.key);
const deletedActionArgs = this._extendActionArgs($removedItemElement);
this._waitDeletingPrepare($removedItemElement).done(() => {
if (isPartialRefresh) {
this._updateIndicesAfterIndex(index - 1);
this._afterItemElementDeleted($removedItemElement, deletedActionArgs);
this._updateSelectionAfterRemoveByChange(index)
} else {
this._deleteItemElementByIndex(index);
this._afterItemElementDeleted($removedItemElement, deletedActionArgs)
}
});
this._correctionIndex--
}
},
_modifyByChanges: function(changes, isPartialRefresh) {
const items = this._editStrategy.itemsGetter();
const keyInfo = {
key: this.key.bind(this),
keyOf: this.keyOf.bind(this)
};
const dataController = this._dataController;
const paginate = dataController.paginate();
const group = dataController.group();
if (paginate || group) {
changes = changes.filter(item => "insert" !== item.type || void 0 !== item.index)
}
changes.forEach(change => this["_".concat(change.type, "ByChange")](keyInfo, items, change, isPartialRefresh));
this._renderedItemsCount = items.length;
this._refreshItemsCache();
this._fireContentReadyAction()
},
_appendItemToContainer: function($container, $itemFrame, index) {
const nextSiblingElement = $container.children(this._itemSelector()).get(index);
_dom_adapter.default.insertElement($container.get(0), $itemFrame.get(0), nextSiblingElement)
},
_optionChanged: function(args) {
switch (args.name) {
case "items": {
const isItemsUpdated = this._partialRefresh(args.value);
if (!isItemsUpdated) {
this.callBase(args)
}
break
}
case "dataSource":
if (!this.option("repaintChangesOnly") || !args.value) {
this.option("items", [])
}
this.callBase(args);
break;
case "repaintChangesOnly":
break;
default:
this.callBase(args)
}
}
});
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;