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import {
Component,
ViewContainerRef,
ViewChild,
Input,
ComponentRef,
ComponentFactoryResolver,
ChangeDetectorRef,
OnChanges, OnDestroy, AfterViewInit
} from '@angular/core';
import {Component as TopologyTemplate} from 'app/models';
// Helper component to add dynamic tabs
@Component({
selector: 'panel-tab',
template: `<div #content></div>`
})
export class PanelTabComponent implements OnChanges, OnDestroy, AfterViewInit {
@ViewChild('content', { read: ViewContainerRef }) content;
@Input() isActive:boolean;
@Input() panelTabType;
@Input() input;
@Input() isViewOnly:boolean;
@Input() component:TopologyTemplate;
@Input() componentType;
cmpRef: ComponentRef<any>;
private isViewInitialized: boolean = false;
constructor(private componentFactoryResolver: ComponentFactoryResolver,
private cdRef: ChangeDetectorRef) { }
updateComponent() {
if (!this.isViewInitialized || !this.isActive) {
return;
}
if (this.cmpRef) {
this.cmpRef.destroy();
}
let factory = this.componentFactoryResolver.resolveComponentFactory(this.panelTabType);
this.cmpRef = this.content.createComponent(factory);
this.cmpRef.instance.input = this.input;
this.cmpRef.instance.isViewOnly = this.isViewOnly;
this.cmpRef.instance.component = this.component;
this.cmpRef.instance.componentType = this.componentType;
this.cdRef.detectChanges();
}
ngOnChanges() {
this.updateComponent();
}
ngAfterViewInit() {
this.isViewInitialized = true;
this.updateComponent();
}
ngOnDestroy() {
if (this.cmpRef) {
this.cmpRef.destroy();
}
}
}
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