<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular 5 + flex layout</title>
    
    <style>
        html, body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
        }
        * {box-sizing: border-box;}
        my-app {
            font-size: 1.2em;
        }
        
        input[type=checkbox] {
            width: 20px;
            height: 20px;
            cursor: pointer;
        }
    </style>
    
     <!-- polyfill(s) for older browsers -->
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>

    <script src="https://unpkg.com/zone.js@0.8.16?main=browser"></script>
    <!--<script src="https://unpkg.com/reflect-metadata@0.1.10"></script>-->
    <script src="https://unpkg.com/systemjs@0.20.18/dist/system.src.js"></script>
    <script src="https://unpkg.com/web-animations-js@2.3.1"></script>
  

    <script src="systemjs.config.js"></script>
    <script>
        System.import('app').catch(function (err) { console.error(err); });
    </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>
//our root app component
import { Component, NgModule, VERSION} from '@angular/core'
import { BrowserModule} from '@angular/platform-browser'

@Component({
  selector: 'my-app',
  template: `
    <div class="gui" [appWindowResize]="windowSizeBreakpoints" (windowWidthChanged)="setIsCompact($event)">
        <div class="left-panel">
            <h2 *ngIf="sizeOption >= 2">Left panel</h2>
            <h2 *ngIf="sizeOption < 2">LP</h2>
        </div>
        <div class="main-area">
            <h2>Main area</h2>
            <p>Resize this window by toggling side panels in the viewer.</p>
            <p>The breakpoints are 300px and 500px.</p>
        </div>
        <div class="right-panel" *ngIf="sizeOption >= 1"><h2>Right panel</h2></div>
    </div>
  `,
  styles: [`
    :host {
        display: block;
        height: 100%;
    }
    .gui {
        display: flex;
        width: 100%;
        height: 100%;
    }
    .left-panel {
        max-width: 200px;
        flex-basis: 200px;
        border-right: solid 2px #444;
        padding: 0 1em;
    }
    .right-panel {
        max-width: 200px;
        flex-basis: 100px;
        border-left: solid 2px #444;
        padding: 0 1em;
    }
    .main-area {
        flex-basis: 100%;
        padding: 0 1em;
    }
  `]
})
export class AppComponent {
  public isReadOnly: boolean = false;
  public windowSizeBreakpoints = [300, 500];
  /**
   * The size options will be:
   * 0: <300
   * 1: 300-500
   * 2: 500+
   **/
  public sizeOption: number = 2;
  
  public setIsCompact(widthIdx) {
      this.sizeOption = widthIdx;
  }
}
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { WindowResizeDirective } from './windowresize.directive';

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        FormsModule,
    ],
    declarations: [
        AppComponent,
        WindowResizeDirective,
    ],
    providers: [
      
    ],
    bootstrap: [AppComponent]
})
export class AppModule { }
(function (global) {
  var angVer = '5.0.0-beta.6';
 
  System.config({
    transpiler: 'ts',
    typescriptOptions: {
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "lib": [ "es2015", "dom" ],
      "module": "commonjs",
      "moduleResolution": "node",
      "noImplicitAny": true,
      "sourceMap": true,
      "suppressImplicitAnyIndexErrors": true,
      "target": "es5"
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    paths: { 
      'npm:': 'https://unpkg.com/',
      'gh:': 'https://raw.githubusercontent.com/'
    },
    map: {
      "app": "app",
      "rxjs": "npm:rxjs@5.4.3",
      "ts": "npm:plugin-typescript@7.1.0/lib/plugin.js",
      "typescript": "npm:typescript@2.4.2/lib/typescript.js",
      "@angular/core": "npm:@angular/core@" + angVer + "/bundles/core.umd.js",
      "@angular/common": "npm:@angular/common@" + angVer + "/bundles/common.umd.js",
      "@angular/compiler": "npm:@angular/compiler@" + angVer + "/bundles/compiler.umd.js",
      "@angular/platform-browser": "npm:@angular/platform-browser@" + angVer + "/bundles/platform-browser.umd.js",
      "@angular/platform-browser-dynamic": "npm:@angular/platform-browser-dynamic@" + angVer + "/bundles/platform-browser-dynamic.umd.js",
      "@angular/http": "npm:@angular/http@" + angVer + "/bundles/http.umd.js",
      "@angular/router": "npm:@angular/router@" + angVer + "/bundles/router.umd.js",
      "@angular/forms": "npm:@angular/forms@" + angVer + "/bundles/forms.umd.js",
      "@angular/animations": "npm:@angular/animations@" + angVer + "/bundles/animations.umd.js",
      "@angular/animations/browser": "npm:@angular/animations@" + angVer + "/bundles/animations-browser.umd.js",
      "@angular/platform-browser/animations": "npm:@angular/platform-browser@" + angVer + "/bundles/platform-browser-animations.umd.js",
      "@angular/flex-layout": "npm:@angular/flex-layout@2.0.0-beta.9"
},
    // 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'
      }
    }
  });

  if (!global.noBootstrap) { bootstrap(); }

  // Bootstrap the `AppModule`(skip the `app/main.ts` that normally does this)
  function bootstrap() {

    // Stub out `app/main.ts` so System.import('app') doesn't fail if called in the index.html
    System.set(System.normalizeSync('app/main.ts'), System.newModule({ }));

    // bootstrap and launch the app (equivalent to standard main.ts)
    Promise.all([
      System.import('@angular/platform-browser-dynamic'),
      System.import('app/app.module')
    ])
    .then(function (imports) {
      var platform = imports[0];
      var app      = imports[1];
      platform.platformBrowserDynamic().bootstrapModule(app.AppModule);
    })
    .catch(function(err){ console.error(err); });
  }
})(this);
import {
    Directive,
    ElementRef,
    EventEmitter,
    Inject,
    Input,
    NgZone,
    Output,
} from '@angular/core';
import {DeferredPromise} from '@lucid/modeldeps/promise';
import {Debounce} from '@lucid/pipelinedeps/debounce';

// Callback debounce utility
function debounce<F extends(...args: any[]) => void>(f: F, timeout: number, target?: any): F {
    let timer: number|undefined = undefined;
    return (function(this: any, ...args: any[]) {
               target = target || this;

               timer && clearTimeout(timer);
               timer = setTimeout(() => {
                   f.apply(target, args);
               }, timeout);
           }) as F;
}

@Directive({
    selector: '[appWindowResize]',
    host: {
        '(window:resize)': 'onResize()',
    }
})
export class WindowResizeDirective {
    @Input() appWindowResize: number[] = [0];
    @Output() windowWidthChanged: EventEmitter<number> = new EventEmitter<number>();

    private widthIndex: number = -1;
    private onResize = debounce(() => {
        const offsetWidth = this.getWidth();
        let widthIndex = this.appWindowResize.findIndex(width => width > offsetWidth);
        widthIndex = (widthIndex + this.appWindowResize.length + 1) % (this.appWindowResize.length + 1);

        if (this.widthIndex != widthIndex) {
            this.widthIndex = widthIndex;
            this.zone.run(() => {
                this.windowWidthChanged.emit(widthIndex);
            });
        }
    }, 200);

    constructor(private elementRef: ElementRef, private zone: NgZone) {
        this.onResize();
        
    }

    getWidth(): number {
        return this.elementRef.nativeElement.offsetWidth;
    }
}