<!DOCTYPE html>
<html>

<head>
  <base href="." />
  <script type="text/javascript" charset="utf-8">
    window.AngularVersionForThisPlunker = '6.0.0-beta.7'
  </script>
  <title>angular playground</title>
  <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
  <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
  <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
  <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
  <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
  <script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
  <script src="https://unpkg.com/gijgo@1.9.6/js/gijgo.min.js" type="text/javascript"></script>
  <link href="https://unpkg.com/gijgo@1.9.6/css/gijgo.min.css" rel="stylesheet" type="text/css" />
  <script src="config.js"></script>
  <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
</head>

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

</html>
var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/common/http': 'npm:@angular/common' + angularVersion + '/bundles/common-http.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/common/http/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-http-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs@5.5.10',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js',
    'gijgo-angular-wrappers': 'https://npmcdn.com/gijgo-angular-wrappers',
    'gijgo': 'npm:gijgo',
    '@types/jquery': 'npm:@types/jquery',
    '@types/gijgo': 'npm:@types/gijgo'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    },
    'gijgo-angular-wrappers': {
      main: './index.ts',
      defaultExtension: 'ts'
    }
  }
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app.module';

platformBrowserDynamic().bootstrapModule(AppModule)
import { Component } from '@angular/core'

@Component({
  selector: 'my-app',
  templateUrl: 'src/app.component.html'
})
export class AppComponent {
  startValue = "Change me";

}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { DropdownDirective } from './dropdown/dropdown.directive';
import { DropdownComponent } from './dropdown/dropdown.component';
import { AppComponent } from './app.component';

@NgModule({
  imports: [ BrowserModule, FormsModule ],
  declarations: [ AppComponent, DropdownDirective, DropdownComponent],
  entryComponents: [ DropdownComponent ],
  bootstrap: [ AppComponent ]
})
export class AppModule {}
<h1 style="margin-bottom: 30px">Dropdown directive example</h1>

<label style="margin-right: 10px">Input with dropdown: </label>
<div style="position: relative">
  <input *appDropdown="trigger" [(value)]="startValue"> <button #trigger>*</button>
</div>

<div style="position: absolute">
  <h4 style="border: 1px solid grey; padding: 5px; margin: 0px" *ngFor="let row of rows"(click)="onRowSelected(row.value)">{{ row.name }} </h4>
</div>
import { Component, HostListener, EventEmitter, ElementRef} from '@angular/core';

@Component({
  selector: 'my-dropdown',
  templateUrl: 'src/dropdown/dropdown.component.html'
})
export class DropdownComponent {
  public clickedOutside: EventEmitter<void> = new EventEmitter<void>();
  public rowSelected: EventEmitter<any> = new EventEmitter<any>();
  header: string;
  rows = [{name: 'One', value: 1}, {name: 'Two', value: 2}, {name: 'Three', value: 3}];
  constructor(private elementRef: ElementRef) {}

  @HostListener('document:click', ['$event.target'])
  public onDocumentClick(targetElement) {
      if (!this.elementRef.nativeElement.contains(targetElement)) {
          this.clickedOutside.emit();
      }
  }

  onRowSelected(value: any) {
    this.rowSelected.emit(value);
  }
}
import {    Directive, Input, TemplateRef, ViewContainerRef,
            OnDestroy, ComponentFactoryResolver, ComponentRef, ElementRef, Output, EventEmitter, HostBinding
        } from '@angular/core';
import { DropdownComponent } from './dropdown.component';
import { Subscription } from 'rxjs';

@Directive({ selector: '[appDropdown]'})
export class DropdownDirective implements OnDestroy {
    private elListener: () => void;
    private _element: HTMLBaseElement;
    private _repository: string;
    private dropdownRef: ComponentRef<OptListComponent>;
    private dropdownListener: Subscription;
    private rowSelectedListener: Subscription;

    constructor(
        private templateRef: TemplateRef<any>,
        private viewContainer: ViewContainerRef,
        private cmpFactoryResolver: ComponentFactoryResolver,
        ) {
            this.viewContainer.clear();
            this.viewContainer.createEmbeddedView(this.templateRef);
            this.elListener = () => {
                this.viewContainer.clear();
                this.viewContainer.createEmbeddedView(this.templateRef);

                const componentFactory = this.cmpFactoryResolver.resolveComponentFactory(DropdownComponent);
                this.dropdownRef = this.viewContainer.createComponent(componentFactory);
                setTimeout(() => {
                    this.dropdownListener = this.dropdownRef.instance.clickedOutside.subscribe(() => {
                        this.dropdownRef.destroy();
                        this.dropdownListener.unsubscribe();
                    });
                    this.rowSelectedListener = this.dropdownRef.instance.rowSelected.subscribe((row) => {
                      // What to do here?
                    });
                }, 300);
            };
        }

        @Input()
        set appDropdown(el: HTMLBaseElement) {
            this._element = el;
            this._element.addEventListener('click', this.elListener);
        }

        ngOnDestroy() {
            this._element.removeEventListener('click', this.elListener);
            this.rowSelectedListener.unsubscribe();
        }
}