@atlaskit/editor-plugin-synced-block/dist/es2019/pm-plugins/createReferenceSelectionView.js

SyncedBlock plugin for @atlaskit/editor-core

import { bindAll } from 'bind-event-listener';
import { SyncBlockSharedCssClassName, SyncBlockLabelSharedCssClassName } from '@atlaskit/editor-common/styles/sync-block';
import { NodeSelection } from '@atlaskit/editor-prosemirror/state';
const getSelectedReference = view => {
  const selection = view.dom.ownerDocument.getSelection();
  const anchor = selection === null || selection === void 0 ? void 0 : selection.anchorNode;
  const anchorElement = anchor instanceof Element ? anchor : anchor === null || anchor === void 0 ? void 0 : anchor.parentElement;
  const renderer = anchorElement === null || anchorElement === void 0 ? void 0 : anchorElement.closest(`.${SyncBlockSharedCssClassName.renderer}`);
  if (!renderer || !(selection !== null && selection !== void 0 && selection.focusNode) || !renderer.contains(selection.focusNode)) {
    return null;
  }
  const reference = renderer.closest(`.${SyncBlockSharedCssClassName.prefix}`);
  return reference && view.dom.contains(reference) ? reference : null;
};
export const createReferenceSelectionView = view => {
  const syncReferenceSelection = reference => {
    var _doc$nodeAt;
    if (!view.editable || !reference) {
      return;
    }
    const pos = view.posAtDOM(reference, 0);
    const {
      doc,
      schema,
      selection
    } = view.state;
    if (((_doc$nodeAt = doc.nodeAt(pos)) === null || _doc$nodeAt === void 0 ? void 0 : _doc$nodeAt.type) !== schema.nodes.syncBlock || selection instanceof NodeSelection && selection.from === pos) {
      return;
    }
    // The selectable renderer owns native focus, so PM's observer ignores its selection.
    // Track the containing atom without focusing the editor or clearing highlighted text.
    view.dispatch(view.state.tr.setSelection(NodeSelection.create(doc, pos)));
  };
  const unbind = bindAll(view.dom.ownerDocument, [{
    type: 'selectionchange',
    listener: () => syncReferenceSelection(getSelectedReference(view))
  }, {
    type: 'click',
    listener: event => {
      if (event.button !== 0 || !view.editable) {
        return;
      }
      const target = event.target instanceof Element ? event.target : null;
      const reference = target === null || target === void 0 ? void 0 : target.closest(`.${SyncBlockSharedCssClassName.prefix}`);
      if (!reference || !view.dom.contains(reference)) {
        return;
      }
      // Edge clicks never create a native selection inside the renderer.
      syncReferenceSelection(reference);
      if (!(target !== null && target !== void 0 && target.closest(`.${SyncBlockSharedCssClassName.renderer}`)) && !(target !== null && target !== void 0 && target.closest(`.${SyncBlockLabelSharedCssClassName.labelClassName}`))) {
        view.focus();
      }
    }
  }]);
  return {
    destroy: unbind
  };
};