aurelia-kendoui-bridge/dist/es6/treeview/treeview.js

A set of Telerik KendoUI wrappers for Aurelia allowing developers to easily use KendoUI components in their Aurelia application.

import {inject, Container} from 'aurelia-dependency-injection';
import {customElement} from 'aurelia-templating';
import {WidgetBase} from '../common/widget-base';
import {generateBindables} from '../common/decorators';
import {constants} from '../common/constants';

@customElement(`${constants.elementPrefix}treeview`)
@generateBindables('kendoTreeView')
@inject(Element, WidgetBase, Container)
export class TreeView {
  constructor(element, widgetBase, container) {
    this.element = element;
    this.widgetBase = widgetBase
      .control('kendoTreeView')
      .useRootElement(this.element)
      .linkViewModel(this)
      .useContainer(container);
  }

  subscribe(event, callback) {
    return this.widgetBase.subscribe(event, callback);
  }

  bind(ctx, overrideCtx) {
    this.widgetBase.useParentCtx(overrideCtx);
  }

  attached() {
    if (isInitFromUl(this.element)) {
      this.widgetBase.useElement(this.element.querySelectorAll('ul')[0]);
    } else {
      let target = document.createElement('div');
      this.element.appendChild(target);
      this.widgetBase.useElement(target);
    }

    if (!this.kNoInit) {
      this.recreate();
    }
  }

  recreate() {
    let templates = this.widgetBase.util.getChildrenVMs(this.element, `${constants.elementPrefix}template`);
    this.widgetBase.useTemplates(this, 'kendoTreeView', templates);

    this.kWidget = this.widgetBase.recreate();
  }

  destroy() {
    this.widgetBase.destroy(this.kWidget);
  }

  detached() {
    this.destroy();
  }
}

function isInitFromUl(element) {
  return element.querySelectorAll('ul').length > 0;
}