@nebular/theme
Version:
@nebular/theme
60 lines • 2.59 kB
JavaScript
/*
* @license
* Copyright Akveo. All Rights Reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { Injectable } from '@angular/core';
import { NB_DEFAULT_ROW_LEVEL, NbTreeGridPresentationNode } from './tree-grid.model';
let NbTreeGridDataService = class NbTreeGridDataService {
constructor() {
this.defaultGetters = {
dataGetter: node => node.data,
childrenGetter: d => d.children || undefined,
expandedGetter: d => !!d.expanded,
};
}
toPresentationNodes(nodes, customGetters, level = NB_DEFAULT_ROW_LEVEL) {
const getters = Object.assign({}, this.defaultGetters, customGetters);
return this.mapNodes(nodes, getters, level);
}
mapNodes(nodes, getters, level) {
const { dataGetter, childrenGetter, expandedGetter } = getters;
return nodes.map(node => {
const childrenNodes = childrenGetter(node);
let children;
if (childrenNodes) {
children = this.toPresentationNodes(childrenNodes, getters, level + 1);
}
return new NbTreeGridPresentationNode(dataGetter(node), children, expandedGetter(node), level);
});
}
flattenExpanded(nodes) {
return nodes.reduce((res, node) => {
res.push(node);
if (node.expanded && node.hasChildren()) {
res.push(...this.flattenExpanded(node.children));
}
return res;
}, []);
}
copy(nodes) {
return nodes.map((node) => {
let children;
if (node.hasChildren()) {
children = this.copy(node.children);
}
return new NbTreeGridPresentationNode(node.data, children, node.expanded, node.level);
});
}
};
NbTreeGridDataService = __decorate([
Injectable()
], NbTreeGridDataService);
export { NbTreeGridDataService };
//# sourceMappingURL=tree-grid-data.service.js.map