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Implement Monaco markdown editor actions in Umbraco backoffice using official docs
npx skill4agent add umbraco/umbraco-cms-backoffice-skills umbraco-monaco-markdown-editor-actionumbraco-modalsumbraco-localizationexport const manifests: Array<UmbExtensionManifest> = [
{
type: 'monacoMarkdownEditorAction',
alias: 'My.MonacoMarkdownEditorAction.Custom',
name: 'Custom Monaco Markdown Editor Action',
api: () => import('./my-markdown-action.js'),
meta: {
label: 'Insert Custom',
icon: 'icon-favorite',
},
},
];import { monaco } from '@umbraco-cms/backoffice/external/monaco-editor';
import { UmbControllerBase } from '@umbraco-cms/backoffice/class-api';
import type { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
import type { UUIModalSidebarSize } from '@umbraco-cms/backoffice/external/uui';
export class MyMarkdownAction extends UmbControllerBase {
constructor(host: UmbControllerHost) {
super(host);
}
getUnique() {
return 'My.MonacoMarkdownEditorAction.Custom';
}
getLabel() {
return 'Insert Custom';
}
getKeybindings() {
// Ctrl/Cmd + Shift + C
return [monaco.KeyMod.CtrlCmd | monaco.KeyMod.Shift | monaco.KeyCode.KeyC];
}
async execute({ editor, overlaySize }: { editor: any; overlaySize: UUIModalSidebarSize }) {
if (!editor) throw new Error('Editor not found');
const selection = editor.getSelections()[0];
if (!selection) return;
const selectedValue = editor.getValueInRange(selection);
// Insert custom markdown
editor.monacoEditor?.executeEdits('', [
{ range: selection, text: `**${selectedValue || 'custom'}**` },
]);
editor.monacoEditor?.focus();
}
}
export { MyMarkdownAction as api };import { monaco } from '@umbraco-cms/backoffice/external/monaco-editor';
import { UmbControllerBase } from '@umbraco-cms/backoffice/class-api';
import { UMB_MODAL_MANAGER_CONTEXT } from '@umbraco-cms/backoffice/modal';
export class MyModalMarkdownAction extends UmbControllerBase {
getUnique() {
return 'My.MonacoMarkdownEditorAction.Modal';
}
getLabel() {
return 'Insert with Modal';
}
getKeybindings() {
return [monaco.KeyMod.CtrlCmd | monaco.KeyCode.KeyM];
}
async execute({ editor, overlaySize }) {
const modalManager = await this.getContext(UMB_MODAL_MANAGER_CONTEXT);
if (!modalManager) throw new Error('Modal manager not found');
const selection = editor?.getSelections()[0];
if (!selection) return;
// Open a modal and use the result
const modalContext = modalManager.open(this, MY_CUSTOM_MODAL, {
modal: { size: overlaySize },
});
modalContext?.onSubmit().then((value) => {
if (!value) return;
editor.monacoEditor?.executeEdits('', [
{ range: selection, text: value.text },
]);
});
}
}
export { MyModalMarkdownAction as api };interface ManifestMonacoMarkdownEditorAction extends ManifestApi<any> {
type: 'monacoMarkdownEditorAction';
meta?: MetaMonacoMarkdownEditorAction;
}
interface MetaMonacoMarkdownEditorAction {
icon?: string | null;
label?: string | null; // Can use localization key like '#buttons_linkInsert'
}// Single key
monaco.KeyCode.Enter
// Ctrl/Cmd combinations
monaco.KeyMod.CtrlCmd | monaco.KeyCode.KeyK // Ctrl+K or Cmd+K
monaco.KeyMod.CtrlCmd | monaco.KeyMod.Shift | monaco.KeyCode.KeyC // Ctrl+Shift+C
monaco.KeyMod.Alt | monaco.KeyCode.KeyI // Alt+I