devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
76 lines (73 loc) • 2.13 kB
JavaScript
/**
* DevExtreme (cjs/viz/tree_map/plain_data_source.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/
*/
;
var _tree_map = _interopRequireDefault(require("./tree_map.base"));
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
const proto = _tree_map.default.prototype;
proto._optionChangesMap.idField = proto._optionChangesMap.parentField = "NODES_CREATE";
proto._processDataSourceItems = function(items) {
let i;
const struct = {};
let currentItem;
const idField = this._getOption("idField", true);
const parentField = this._getOption("parentField", true);
let parentId;
const rootNodes = [];
let tmpItems;
let item;
if (!idField || !parentField || 0 === items.length) {
return {
items: items,
isPlain: false
}
}
for (i = 0; i < items.length; i++) {
currentItem = items[i];
parentId = currentItem[parentField];
if (parentId) {
struct[parentId] = struct[parentId] || {
items: []
};
tmpItems = struct[parentId].items
} else {
tmpItems = rootNodes
}
tmpItems.push(currentItem)
}
treeFiller({
struct: struct,
idField: idField
}, rootNodes);
for (item in struct) {
struct[item] && rootNodes.push(struct[item])
}
return {
items: rootNodes,
isPlain: true
}
};
function treeFiller(context, items) {
let currentItem;
let i;
const struct = context.struct;
let id;
for (i = 0; i < items.length; i++) {
currentItem = items[i];
id = currentItem[context.idField];
if (struct[id]) {
currentItem.items = struct[id].items;
struct[id] = null;
treeFiller(context, currentItem.items)
}
}
}