add condition to check for content properties

Author: madsrasmussen

src/packages/core/content/workspace/views/edit/conditions/has-properties/constants.ts

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+export const UMB_CONTENT_HAS_PROPERTIES_WORKSPACE_CONDITION = 'Umb.Condition.Workspace.ContentHasProperties';

src/packages/core/content/workspace/views/edit/conditions/has-properties/content-has-properties.condition.manifest.ts

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+import type { ManifestCondition } from '@umbraco-cms/backoffice/extension-api';
+
+export const manifest: ManifestCondition = {
+	type: 'condition',
+	name: 'Content has properties Workspace Condition',
+	alias: 'Umb.Condition.Workspace.ContentHasProperties',
+	api: () => import('./content-has-properties.condition.js'),
+};

src/packages/core/content/workspace/views/edit/conditions/has-properties/content-has-properties.condition.ts

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+import type { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
+import type {
+	UmbConditionConfigBase,
+	UmbConditionControllerArguments,
+	UmbExtensionCondition,
+} from '@umbraco-cms/backoffice/extension-api';
+import { UMB_CONTENT_WORKSPACE_CONTEXT } from '../../../../content-workspace.context-token.js';
+import { UmbConditionBase } from '@umbraco-cms/backoffice/extension-registry';
+import type { UmbContentTypeModel } from '@umbraco-cms/backoffice/content-type';
+import { UmbContentTypePropertyStructureHelper } from '@umbraco-cms/backoffice/content-type';
+
+export class UmbContentHasPropertiesWorkspaceCondition
+	extends UmbConditionBase<UmbConditionConfigBase>
+	implements UmbExtensionCondition
+{
+	#propertyStructureHelper = new UmbContentTypePropertyStructureHelper<UmbContentTypeModel>(this);
+
+	constructor(host: UmbControllerHost, args: UmbConditionControllerArguments<UmbConditionConfigBase>) {
+		super(host, args);
+
+		this.consumeContext(UMB_CONTENT_WORKSPACE_CONTEXT, (context) => {
+			this.observe(
+				context.structure.contentTypes,
+				(contentTypes) => {
+					const hasProperties = contentTypes.some((contentType) => contentType.properties.length > 0);
+					this.permitted = hasProperties;
+				},
+				'contentTypesObserver',
+			);
+		});
+	}
+}
+
+export { UmbContentHasPropertiesWorkspaceCondition as api };

src/packages/core/content/workspace/views/edit/conditions/has-properties/index.ts

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+export * from './constants.js';