add action event context

src/Umbraco.Web.UI.Client/src/packages/core/action/action-event.context.ts

@@ -0,0 +1,13 @@
+import { UmbContextBase } from '@umbraco-cms/backoffice/class-api';
+import { UmbContextToken } from '@umbraco-cms/backoffice/context-api';
+import { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
+
+export class UmbActionEventContext extends UmbContextBase<UmbActionEventContext> {
+	constructor(host: UmbControllerHost) {
+		super(host, UMB_ACTION_EVENT_CONTEXT);
+	}
+}
+
+export const UMB_ACTION_EVENT_CONTEXT = new UmbContextToken<UmbActionEventContext, UmbActionEventContext>(
+	'UmbActionEventContext',
+);

src/Umbraco.Web.UI.Client/src/packages/core/action/action.event.ts

@@ -0,0 +1,27 @@
+export class UmbControllerEvent extends Event {
+	public constructor(type: string) {
+		super(type, { bubbles: false, composed: false, cancelable: false });
+	}
+}
+
+export interface UmbActionEventArgs {
+	entityType: string;
+	unique: string;
+}
+
+export class UmbActionEvent extends UmbControllerEvent {
+	#args: UmbActionEventArgs;
+
+	public constructor(type: string, args: UmbActionEventArgs) {
+		super(type);
+		this.#args = args;
+	}
+
+	getEntityType(): string {
+		return this.#args.entityType;
+	}
+
+	getUnique(): string {
+		return this.#args.unique;
+	}
+}

src/Umbraco.Web.UI.Client/src/packages/core/action/index.ts

@@ -1,2 +1,4 @@
 export * from './repository-action.js';
 export * from './action.interface.js';
+export * from './action-event.context.js';
+export * from './action.event.js';