import { Component } from '@angular/core';
import { FormGroup, FormControl, FormBuilder } from '@angular/forms';


@Component({
  selector: 'my-app',
  templateUrl: 'app/app.template.html'
})
export class AppComponent {
  public myForm: FormGroup;
  
   public result = {};
  public reactiveForm: FormGroup;
  
  countries = ["Ireland", "New Zealand"];
  
  constructor(private fb: FormBuilder) {
    this.myForm = new FormGroup({
      'testMask': new FormControl()
    });
    
    this.myForm.controls['testMask'].setValue("123");
    
    
    
    
        this.result = {data: { "hello":"world"}};
    
    this.reactiveForm = this.fb.group({
      result: [this.result ]
    })
    
  }
}
import { NgModule } from '@angular/core';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';

import { AppComponent }   from './app.component';

import { JsonInputModule } from './json-input.module';
import { CustomInputComponent } from './custom-input.component';
// Import PrimeNG modules
import { InputMaskModule, AutoCompleteModule } from 'primeng';

@NgModule({
  imports:      [ BrowserModule, FormsModule, ReactiveFormsModule, InputMaskModule, JsonInputModule, AutoCompleteModule ],
  declarations: [ AppComponent, CustomInputComponent ],
  bootstrap:    [ AppComponent ]
})

export class AppModule { }


/*
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 { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app.module';

const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
body {
  padding: 2em;
  font-family: Arial, Helvetica, sans-serif;
}

.ui-inputwrapper-filled + label {
  color: red;
}
<!DOCTYPE html>
<html>
  <head>
    <title>Angular QuickStart</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="styles.css">
    
    <!-- PrimeNG style dependencies -->
    <link rel="stylesheet" href="https://unpkg.com/primeng@2.0.0/resources/themes/omega/theme.css" />
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
    <link rel="stylesheet" href="https://unpkg.com/primeng@2.0.0/resources/primeng.min.css" />

    <!-- 1. Load libraries -->
    <!-- Polyfill for older browsers -->
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>

    <script src="https://unpkg.com/zone.js@0.6.25?main=browser"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.8"></script>
    <script src="https://unpkg.com/systemjs@0.19.39/dist/system.src.js"></script>

    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    
  </head>

  <!-- 3. Display the application -->
  <body>
    <my-app>Loading...</my-app>
  </body>
</html>


<!-- 
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
-->
/**
 * 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,
      "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@2.4.1/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common@2.4.1/bundles/common.umd.js',
      '@angular/compiler': 'npm:@angular/compiler@2.4.1/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser@2.4.1/bundles/platform-browser.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@2.4.1/bundles/platform-browser-dynamic.umd.js',
      '@angular/http': 'npm:@angular/http@2.4.1/bundles/http.umd.js',
      '@angular/router': 'npm:@angular/router@3.4.1/bundles/router.umd.js',
      '@angular/forms': 'npm:@angular/forms@2.4.1/bundles/forms.umd.js',

      // other libraries
      'rxjs':                      'npm:rxjs',
      'angular-in-memory-web-api': 'npm:angular-in-memory-web-api/bundles/in-memory-web-api.umd.js',
      'ts':                        'npm:plugin-typescript@4.0.10/lib/plugin.js',
      'typescript':                'npm:typescript@2.1.4/lib/typescript.js',
      'primeng':                   'npm:primeng@2.0.0/primeng.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'
      },
      primeng: {
        defaultExtension: 'js'
      }
    }
  });

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

  // Bootstrap the `AppModule`(skip the `app/main.ts` that normally does this)
  function bootstrap() {
    console.log('Auto-bootstrapping');

    // 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'),
      getAppModule()
    ])
    .then(function (imports) {
      var platform = imports[0];
      var app      = imports[1];
      platform.platformBrowserDynamic().bootstrapModule(app.AppModule);
    })
    .catch(function(err){ console.error(err); });
  }

  // Import AppModule or make the default AppModule if there isn't one
  // returns a promise for the AppModule
  function getAppModule() {
    if (global.noAppModule) {
      return makeAppModule();
    }
    return System.import('app/app.module').catch(makeAppModule)
  }

  function makeAppModule() {
    console.log('No AppModule; making a bare-bones, default AppModule');

    return Promise.all([
      System.import('@angular/core'),
      System.import('@angular/platform-browser'),
      System.import('app/app.component')
    ])
    .then(function (imports) {

      var core    = imports[0];
      var browser = imports[1];
      var appComp = imports[2].AppComponent;

      var AppModule = function() {}

      AppModule.annotations = [
        new core.NgModule({
          imports:      [ browser.BrowserModule ],
          declarations: [ appComp ],
          bootstrap:    [ appComp ]
        })
      ]
      return {AppModule: AppModule};
    })
  }
})(this);
<h2>p-InputMask does not update its 'filled' property</h2>

<form [formGroup]="myForm">
  <p-inputMask formControlName="testMask" mask="999"></p-inputMask>
  <label>I should be in red after loading</label>
</form>



<h1>Reactive Form</h1>

<form [formGroup]="reactiveForm">
  <json-input formControlName="result"></json-input>
</form>

<p>form is valid: {{ reactiveForm.valid ? 'true' : 'false' }}</p>

<p>Value:</p>
<pre>{{ reactiveForm.value | json }}</pre>



<!--<custom-input [(ngModel)]="test"></custom-input>-->
    <custom-input [(ngModel)]="countries" ></custom-input>

<pre>Test: {{result | json}}</pre>
# PrimeNG Issue Template
Please create a test case and attach the link of the plunkr to your github issue report.
import { Component, Input, forwardRef } from '@angular/core';
import { ControlValueAccessor, NG_VALUE_ACCESSOR, NG_VALIDATORS, FormControl, Validator  } from '@angular/forms';

@Component({
    selector: 'json-input',
    template:
        `
        <textarea
          rows="4" cols="50"
          [value]="jsonString"
          
          
          (change)="onChange($event)" 
          (keyup)="onChange($event)">
        
        </textarea>
        `,
    providers: [
    {
      provide: NG_VALUE_ACCESSOR,
      useExisting: forwardRef(() => JsonInputComponent),
      multi: true,
    },
    {
      provide: NG_VALIDATORS,
      useExisting: forwardRef(() => JsonInputComponent),
      multi: true,
    }]
})
export class JsonInputComponent implements ControlValueAccessor, Validator {
    private jsonString: string;
    private parseError: boolean;
    private data: any;
    
    
    
    // the method set in registerOnChange to emit changes back to the form
    private propagateChange = (_: any) => { };

    // this is the initial value set to the component
    public writeValue(obj: any) {
        if (obj) {
            this.data = obj;
            // this will format it with 4 character spacing
            this.jsonString = JSON.stringify(this.data, undefined, 4); 
        }
    }

    // registers 'fn' that will be fired wheb changes are made
    // this is how we emit the changes back to the form
    public registerOnChange(fn: any) {
        this.propagateChange = fn;
    }

    // validates the form, returns null when valid else the validation object
    // in this case we're checking if the json parsing has passed or failed from the onChange method
    public validate(c: FormControl) {
        return (!this.parseError) ? null : {
            jsonParseError: {
                valid: false,
            },
        };
    }

    // not used, used for touch input
    public registerOnTouched() { }

    // change events from the textarea
    private onChange(event) {
      
        // get value from text area
        let newValue = event.target.value;

        try {
            // parse it to json
            this.data = JSON.parse(newValue);
            this.parseError = false;
        } catch (ex) {
            // set parse error if it fails
            this.parseError = true;
        }

        // update the form
        this.propagateChange(this.data);
    }


}
import { CommonModule } from '@angular/common';
import { NgModule } from '@angular/core';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { JsonInputComponent }   from './json-input.component';


@NgModule({
    imports: [
        CommonModule,
        FormsModule,
        ReactiveFormsModule,
    ],
    exports: [
        JsonInputComponent,
    ],
    declarations: [
        JsonInputComponent,
    ],
    //providers: [],
})
export class JsonInputModule { }
import { Component, forwardRef } from '@angular/core';
import { NG_VALUE_ACCESSOR, ControlValueAccessor } from '@angular/forms';

import {AutoCompleteModule} from 'primeng/primeng';

const noop = () => {
};

export const CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR: any = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => CustomInputComponent),
    multi: true
};

@Component({
    selector: 'custom-input',
    template: `<div class="form-group">
    
                    <p-autoComplete [multiple]="true" [(ngModel)]="value" [suggestions]="results" (completeMethod)="search($event)"></p-autoComplete>
           
    
                   <!-- 
                   <label><ng-content></ng-content>
                         <input [(ngModel)]="value"  
                                 class="form-control" 
                                 (blur)="onBlur()" >
                     </label>
                     -->
                </div>`,
    providers: [CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR]
})
export class CustomInputComponent implements ControlValueAccessor {
    
    
     text: string;
    
    results: string[] = [];
    
        search(event) {
       
            this.results = ["Ireland","France","Wales"];
    
    }

    //The internal data model
    private innerValue: any = '';

    //Placeholders for the callbacks which are later provided
    //by the Control Value Accessor
    private onTouchedCallback: () => void = noop;
    private onChangeCallback: (_: any) => void = noop;

    //get accessor
    get value(): any {
        return this.innerValue;
    };

    //set accessor including call the onchange callback
    set value(v: any) {
        if (v !== this.innerValue) {
            this.innerValue = v;
            this.onChangeCallback(v);
        }
    }

    //Set touched on blur
    onBlur() {
        this.onTouchedCallback();
    }

    //From ControlValueAccessor interface
    writeValue(value: any) {
        if (value !== this.innerValue) {
            this.innerValue = value;
        }
    }

    //From ControlValueAccessor interface
    registerOnChange(fn: any) {
        this.onChangeCallback = fn;
    }

    //From ControlValueAccessor interface
    registerOnTouched(fn: any) {
        this.onTouchedCallback = fn;
    }

}