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Aurelia Gist
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| import { NodeModel } from './node-model'; | |
| let instance = null; | |
| export default class AppState { | |
| nodes = []; | |
| visibleNodes = []; | |
| constructor() { | |
| if(!instance) { | |
| this.nodes = [ | |
| new NodeModel("node1", []), | |
| new NodeModel("node2", []), | |
| new NodeModel("node3", []) | |
| ]; | |
| instance = this; | |
| } | |
| return instance; | |
| } | |
| toggleNode(nodeName) { | |
| let index = this.visibleNodes.indexOf(nodeName); | |
| if (index > -1) { | |
| this.visibleNodes.splice(index, 1); | |
| } else { | |
| this.visibleNodes.push(nodeName); | |
| } | |
| alert(JSON.stringify(this.visibleNodes)) | |
| } | |
| isNodeVisible(nodeName) { | |
| let res = false; | |
| let index = this.visibleNodes.indexOf(nodeName); | |
| if (index > -1) { | |
| res = true; | |
| } | |
| return res; | |
| } | |
| } |
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| <template> | |
| <div id="main"> | |
| <template repeat.for="node of appStateService.nodes"> | |
| <span if.bind="node.hasChildren()">${node.name}</span> | |
| <span if.bind="!node.hasChildren()"> | |
| <a href="#" click.trigger="appStateService.toggleNode(node.name)">${node.name}</a> | |
| </span> | |
| </template> | |
| </div> | |
| <div id="stuff-to-show-if-node-link-is-clicked-setting-node-to-visible"> | |
| <template repeat.for="node of appStateService.nodes"> | |
| <!-- the problem seems to be && appStateService.isNodeVisible(node.name) --> | |
| <div if.bind="!node.hasChildren() && appStateService.isNodeVisible(node.name)"> | |
| <div class="window-content"> | |
| <iframe src="">${node.name}: in non-example, fetch from node.url</iframe> | |
| </div> | |
| </div> | |
| </template> | |
| </div> | |
| </template> |
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| import { inject, bindable, BindingEngine } from 'aurelia-framework'; | |
| import AppStateService from './app-state'; | |
| @inject(AppStateService, BindingEngine) | |
| export class App { | |
| @bindable appStateService; | |
| constructor(appStateService, bindingEngine) { | |
| this.appStateService = appStateService; | |
| // subscribe | |
| let subscription = bindingEngine.collectionObserver(this.appStateService.visibleNodes) | |
| .subscribe(splices => this.appStateChanged(splices)); //console.log(splices)); | |
| // unsubscribe | |
| //subscription.dispose(); | |
| } | |
| appStateChanged(splices) { | |
| this.appStateService = this.appStateService; | |
| //console.log(this.appStateService.visibleNodes); | |
| } | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>Aurelia</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body aurelia-app> | |
| <h1>Loading...</h1> | |
| <script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/jspm_packages/system.js"></script> | |
| <script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/config.js"></script> | |
| <script> | |
| System.import('aurelia-bootstrapper'); | |
| </script> | |
| </body> | |
| </html> |
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| export class NodeModel { | |
| constructor(name, children) { | |
| this.name = name; | |
| this.children = children || []; | |
| this.visible = true; | |
| } | |
| hasChildren() { | |
| return this.children.length > 0; | |
| } | |
| } |
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