start heating controller, don't remember angular syntax, can't continue for the moment

src/app/app.component.html

@@ -27,7 +27,7 @@
       <p class="clear"></p>
     </mat-tab>
     <mat-tab label="Heizung">
-
+      <heatingcontroller></heatingcontroller>
     </mat-tab>
 </mat-tab-group>
 

src/app/app.module.ts

@@ -16,6 +16,7 @@ import { LedButtonGroupComponent } from './led-button-group/led-button-group.com
 import { NumberFieldComponent } from './number-field/number-field.component';
 import { LedButtonGroup2Component } from './led-button-group2/led-button-group2.component';
 import { LedBoxComponent } from './led-box/led-box.component';
+import { HeatingControllerComponent } from './heating-controller/heating-controller.component';
 
 
 @NgModule({
@@ -26,7 +27,8 @@ import { LedBoxComponent } from './led-box/led-box.component';
     LedButtonGroupComponent,
     NumberFieldComponent,
     LedButtonGroup2Component,
-    LedBoxComponent
+    LedBoxComponent,
+    HeatingControllerComponent
   ],
   imports: [
     BrowserModule,

src/app/heating-controller/heating-controller.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HeatingControllerComponent } from './heating-controller.component';
+
+describe('HeatingControllerComponent', () => {
+  let component: HeatingControllerComponent;
+  let fixture: ComponentFixture<HeatingControllerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HeatingControllerComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HeatingControllerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/heating-controller/heating-controller.component.ts

@@ -0,0 +1,45 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { MqttclientService } from '../mqttclient.service'
+
+@Component({
+  selector: 'heatingcontroller',
+  template: `
+  <div [ngStyle]="{ 'text-align': 'center', 'background-color':'lightgrey', 'border-radius':'10px', 
+  'width': '150px', 'padding':'5px', 'margin': '5px',
+  'font-family': 'sans-serif' }">
+  {{label}}<br/>
+  <button mat-mini-fab color="primary" (click)="clickOff()" [ngStyle]="{'font-size':'100%'}">off</button>
+  <button mat-mini-fab color="primary" (click)="clickAbsent()" [ngStyle]="{'font-size':'100%'}">absent</button>
+  <button mat-mini-fab color="primary" (click)="clickOn()" [ngStyle]="{'font-size':'100%'}">on</button>
+  <br/>
+  
+  </div>
+  `
+  
+})
+export class HeatingControllerComponent implements OnInit {
+  @Input() topic : string = 'invalid'
+  @Input() label : string = 'invalid'
+  
+  constructor(private mqttclientService : MqttclientService) { }
+  
+  ngOnInit() {
+  }
+  
+  clickOn() {
+    console.log(`click on for ${this.topic}`)
+    this.mqttclientService.publish(this.topic, "ON")
+  }
+  
+  clickAbsent() {
+    console.log(`click absent for ${this.topic}`)
+    this.mqttclientService.publish(this.topic, "ABSENT")
+  }
+  
+  clickOff() {
+    console.log(`click off for ${this.topic}`)
+    this.mqttclientService.publish(this.topic, "OFF")
+  }
+  
+}
+