Files
privacy.sexy/src/presentation/components/Shared/StatefulVue.ts
undergroundwires f3c7413f52 restructure presentation layer
- Move most GUI related code to /presentation
- Move components to /components (separate from bootstrap and style)
- Move shared components helpers to /components/shared
- Rename Bootstrapping to bootstrapping to enforce same naming
  convention in /presentation
2021-03-07 19:37:54 +01:00

38 lines
1.7 KiB
TypeScript

import { Component, Vue } from 'vue-property-decorator';
import { AsyncLazy } from '@/infrastructure/Threading/AsyncLazy';
import { IApplicationContext } from '@/application/Context/IApplicationContext';
import { buildContextAsync } from '@/application/Context/ApplicationContextFactory';
import { IApplicationContextChangedEvent } from '@/application/Context/IApplicationContext';
import { ICategoryCollectionState } from '@/application/Context/State/ICategoryCollectionState';
import { EventSubscriptionCollection } from '@/infrastructure/Events/EventSubscriptionCollection';
// @ts-ignore because https://github.com/vuejs/vue-class-component/issues/91
@Component
export abstract class StatefulVue extends Vue {
private static readonly instance = new AsyncLazy<IApplicationContext>(() => buildContextAsync());
protected readonly events = new EventSubscriptionCollection();
private readonly ownEvents = new EventSubscriptionCollection();
public async mounted() {
const context = await this.getCurrentContextAsync();
this.ownEvents.register(context.contextChanged.on((event) => this.handleStateChangedEvent(event)));
this.handleCollectionState(context.state, undefined);
}
public destroyed() {
this.ownEvents.unsubscribeAll();
this.events.unsubscribeAll();
}
protected abstract handleCollectionState(
newState: ICategoryCollectionState, oldState: ICategoryCollectionState | undefined): void;
protected getCurrentContextAsync(): Promise<IApplicationContext> {
return StatefulVue.instance.getValueAsync();
}
private handleStateChangedEvent(event: IApplicationContextChangedEvent) {
this.handleCollectionState(event.newState, event.oldState);
}
}