import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `<h1>Hello {{name}}</h1>`
})
export class AppComponent { name = 'Angular'; }
/*
Copyright 2017 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { TreeNodeCom } from './tree-node.com';
@NgModule({
imports: [ BrowserModule ],
declarations: [ TreeNodeCom ],
bootstrap: [ TreeNodeCom ]
})
export class AppModule { }
/*
Copyright 2017 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);
/*
Copyright 2017 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
<!DOCTYPE html>
<html>
<head>
<title>Angular Quickstart</title>
<script>document.write('<base href="' + document.location + '" />');</script>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {color:#369;font-family: Arial,Helvetica,sans-serif;}
</style>
<!-- Polyfills -->
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.7.4?main=browser"></script>
<script src="https://unpkg.com/systemjs@0.19.39/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('main.js').catch(function(err){ console.error(err); });
</script>
</head>
<body>
<tree-node-com>Loading AppComponent content here ...</tree-node-com>
</body>
</html>
<!--
Copyright 2017 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->
/**
* WEB ANGULAR VERSION
* (based on systemjs.config.js in angular.io)
* System configuration for Angular samples
* Adjust as necessary for your application needs.
*/
(function (global) {
System.config({
// DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
transpiler: 'ts',
typescriptOptions: {
// Copy of compiler options in standard tsconfig.json
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"lib": ["es2015", "dom"],
"noImplicitAny": true,
"suppressImplicitAnyIndexErrors": true
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
// paths serve as alias
'npm:': 'https://unpkg.com/'
},
// map tells the System loader where to look for things
map: {
// our app is within the app folder
app: 'app',
// angular bundles
'@angular/core': 'npm:@angular/core/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router/bundles/router.umd.js',
'@angular/router/upgrade': 'npm:@angular/router/bundles/router-upgrade.umd.js',
'@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
'@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
'@angular/upgrade/static': 'npm:@angular/upgrade/bundles/upgrade-static.umd.js',
// other libraries
'rxjs': 'npm:rxjs@5.0.1',
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api/bundles/in-memory-web-api.umd.js',
'ts': 'npm:plugin-typescript@5.2.7/lib/plugin.js',
'typescript': 'npm:typescript@2.0.10/lib/typescript.js',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
}
}
});
})(this);
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
import { Component, OnInit, Input } from '@angular/core';
import { TreeNode } from './tree-node';
@Component({
selector: 'tree-node-com',
template: `
<div *ngIf="root">{{title}}</div>
<ul>{{tree.e}}({{tree.size()}})
<li *ngFor="let n of tree.c">
<tree-node-com [tree]="n"></tree-node-com>
</li>
</ul>`
})
export class TreeNodeCom implements OnInit {
title: string = 'Tree - Tree Structure';
@Input() tree;
root: boolean = false;
constructor() { }
ngOnInit() {
if (!this.tree) {
this.root = true;
this.tree = new TreeNode('/');
this.initTree();
}
this.tree.log();
}
initTree() {
// Create 2 level of node
for (let i = 0; i < 5; i++) {
let n = this.tree.add(`${i}`);
for (let j = 0; j < 5; j++) {
n.add(j);
}
}
}
}
export class TreeNode {
// Parent Node
p: TreeNode;
// Children Node
c: TreeNode[];
// Element
e: any;
// Number of element in tree
private n: number;
constructor(e: any) {
this.p = undefined;
this.e = e;
this.n = 1;
this.c = [];
}
toString(): string {
if (typeof (this.e) === 'string') {
return this.e;
}
return this.e.toString();
}
equals(n: TreeNode): boolean {
if (typeof n.e !== typeof this.e) {
return false;
}
return (n.e.toString() === this.e.toString());
}
/*
* Add a child node
*/
add(e: any): TreeNode {
let n = new TreeNode(e);
n.n = 1;
return this.addNode(n);
}
addNode(n: TreeNode): TreeNode {
n.p = this;
this.c.push(n);
this.updateN(n.size());
return n;
}
addToPath(e: any, p: string): TreeNode {
let n = new TreeNode(e);
return this.addNodeToPath(n, p);
}
addNodeToPath(n: TreeNode, p: string): TreeNode {
// Place holder
return n;
}
/*
* Delete child node
*/
del(e: any): boolean { return true; }
delNode(n: TreeNode): boolean {
this.updateN(-n.size());
return true;
}
delToPath(p: string): boolean {
// Place holder
return true;
}
delAll(): void {
this.c = [];
}
/*
* Get full path of this node
*/
get(path: string): TreeNode {
let node: TreeNode = undefined;
return node;
}
size(): number {
return this.n;
}
updateN(n: number) {
this.n += n;
if (this.p) {
this.p.updateN(n);
}
}
log() {
this.printTree(this, 0);
}
private printTree(n: TreeNode, t: number) {
let tab = '';
for (let i = 0; i < t; i++) {
tab += '\t';
}
// Print myself
console.log(`${tab}${n.e}(${n.size()})`);
// Print children
if (n.c) {
n.c.forEach(j => this.printTree(j, t + 1));
}
}
}
#Angular2 Tree Node
A simple recursive tree node component.