Migrating to 15: editorService.contentPicker

[matteoelinapms]

Hello all! I am trying to migrate an umbraco package to v15 and I am having issues trying to figure out how to create a Content Picker. In angularJS I was able to do it by using editorService.contentPicker, however I cannot figure out how to do it with Lit and cannot find any documentation for it. Any help?
Thank you

[matteoelinapms]

Ok, I found the answer after many attempts. I’ll leave the answer here in case it will be useful to someone else.

first of all, import the following:

import { UmbModalManagerContext, UMB_MODAL_MANAGER_CONTEXT } from '@umbraco-cms/backoffice/modal';
import { UMB_DOCUMENT_PICKER_MODAL } from '@umbraco-cms/backoffice/document';

then create a button that opens the modal:

 <uui-button look="secondary" label="Select..." @click=${this.chooseNode}></uui-button>

Implement implement the following in your constructor:

    modalManager?: UmbModalManagerContext;

    constructor() {
        super();

        this.consumeContext(UMB_MODAL_MANAGER_CONTEXT, (context) => {
            this.modalManager = context;
        });
    }

then your chooseNode function that is triggered when the button is clicked:

  chooseNode = () => {
        if (!this.modalManager) {        
            return;
        }

        const modalHandler = this.modalManager.open(
            this,
            UMB_DOCUMENT_PICKER_MODAL,
            {
                data: {,
                    //insert here your options
                    //eg:
                     foldersOnly: true
                },
                value: {
                    selection: [],
                },
            }
        );

        modalHandler.onSubmit().then(async (response) => {
           //do something on submit...
            console.log(response);
        });
    };```