@gechiui/block-editor/build-module/components/block-tools/block-popover.js

Generic block editor.

import { createElement } from "@gechiui/element";

/**
 * External dependencies
 */
import { find } from 'lodash';
import classnames from 'classnames';
/**
 * GeChiUI dependencies
 */

import { useState, useRef, useEffect } from '@gechiui/element';
import { isUnmodifiedDefaultBlock } from '@gechiui/blocks';
import { Popover } from '@gechiui/components';
import { useDispatch, useSelect } from '@gechiui/data';
import { useShortcut } from '@gechiui/keyboard-shortcuts';
import { useViewportMatch } from '@gechiui/compose';
import { getScrollContainer } from '@gechiui/dom';
/**
 * Internal dependencies
 */

import BlockSelectionButton from './block-selection-button';
import BlockContextualToolbar from './block-contextual-toolbar';
import Inserter from '../inserter';
import { store as blockEditorStore } from '../../store';
import { __unstableUseBlockElement as useBlockElement } from '../block-list/use-block-props/use-block-refs';
import { usePopoverScroll } from './use-popover-scroll';

function selector(select) {
  const {
    isNavigationMode,
    isMultiSelecting,
    hasMultiSelection,
    isTyping,
    isCaretWithinFormattedText,
    getSettings,
    getLastMultiSelectedBlockClientId
  } = select(blockEditorStore);
  return {
    isNavigationMode: isNavigationMode(),
    isMultiSelecting: isMultiSelecting(),
    isTyping: isTyping(),
    isCaretWithinFormattedText: isCaretWithinFormattedText(),
    hasMultiSelection: hasMultiSelection(),
    hasFixedToolbar: getSettings().hasFixedToolbar,
    lastClientId: getLastMultiSelectedBlockClientId()
  };
}

function BlockPopover(_ref) {
  let {
    clientId,
    rootClientId,
    isValid,
    isEmptyDefaultBlock,
    capturingClientId,
    __unstablePopoverSlot,
    __unstableContentRef
  } = _ref;
  const {
    isNavigationMode,
    isMultiSelecting,
    isTyping,
    isCaretWithinFormattedText,
    hasMultiSelection,
    hasFixedToolbar,
    lastClientId
  } = useSelect(selector, []);
  const isInsertionPointVisible = useSelect(select => {
    const {
      isBlockInsertionPointVisible,
      getBlockInsertionPoint,
      getBlockOrder
    } = select(blockEditorStore);

    if (!isBlockInsertionPointVisible()) {
      return false;
    }

    const insertionPoint = getBlockInsertionPoint();
    const order = getBlockOrder(insertionPoint.rootClientId);
    return order[insertionPoint.index] === clientId;
  }, [clientId]);
  const isLargeViewport = useViewportMatch('medium');
  const [isToolbarForced, setIsToolbarForced] = useState(false);
  const [isInserterShown, setIsInserterShown] = useState(false);
  const {
    stopTyping
  } = useDispatch(blockEditorStore); // Controls when the side inserter on empty lines should
  // be shown, including writing and selection modes.

  const showEmptyBlockSideInserter = !isTyping && !isNavigationMode && isEmptyDefaultBlock && isValid;
  const shouldShowBreadcrumb = isNavigationMode;
  const shouldShowContextualToolbar = !isNavigationMode && !hasFixedToolbar && isLargeViewport && !showEmptyBlockSideInserter && !isMultiSelecting && (!isTyping || isCaretWithinFormattedText);
  const canFocusHiddenToolbar = !isNavigationMode && !shouldShowContextualToolbar && !hasFixedToolbar && !isEmptyDefaultBlock;
  useShortcut('core/block-editor/focus-toolbar', () => {
    setIsToolbarForced(true);
    stopTyping(true);
  }, {
    isDisabled: !canFocusHiddenToolbar
  });
  useEffect(() => {
    if (!shouldShowContextualToolbar) {
      setIsToolbarForced(false);
    }
  }, [shouldShowContextualToolbar]); // Stores the active toolbar item index so the block toolbar can return focus
  // to it when re-mounting.

  const initialToolbarItemIndexRef = useRef();
  const selectedElement = useBlockElement(clientId);
  const lastSelectedElement = useBlockElement(lastClientId);
  const capturingElement = useBlockElement(capturingClientId);
  const popoverScrollRef = usePopoverScroll(__unstableContentRef);

  if (!shouldShowBreadcrumb && !shouldShowContextualToolbar && !isToolbarForced && !showEmptyBlockSideInserter) {
    return null;
  }

  let node = selectedElement;

  if (!node) {
    return null;
  }

  if (capturingClientId) {
    node = capturingElement;
  }

  let anchorRef = node;

  if (hasMultiSelection) {
    // Wait to render the popover until the bottom reference is available
    // as well.
    if (!lastSelectedElement) {
      return null;
    }

    anchorRef = {
      top: node,
      bottom: lastSelectedElement
    };
  }

  function onFocus() {
    setIsInserterShown(true);
  }

  function onBlur() {
    setIsInserterShown(false);
  } // Position above the anchor, pop out towards the right, and position in the
  // left corner. For the side inserter, pop out towards the left, and
  // position in the right corner.
  // To do: refactor `Popover` to make this prop clearer.


  const popoverPosition = showEmptyBlockSideInserter ? 'top left right' : 'top right left';
  const {
    ownerDocument
  } = node;
  const stickyBoundaryElement = showEmptyBlockSideInserter ? undefined : // The sticky boundary element should be the boundary at which the
  // the block toolbar becomes sticky when the block scolls out of view.
  // In case of an iframe, this should be the iframe boundary, otherwise
  // the scroll container.
  ownerDocument.defaultView.frameElement || getScrollContainer(node) || ownerDocument.body;
  return createElement(Popover, {
    ref: popoverScrollRef,
    noArrow: true,
    animate: false,
    position: popoverPosition,
    focusOnMount: false,
    anchorRef: anchorRef,
    className: classnames('block-editor-block-list__block-popover', {
      'is-insertion-point-visible': isInsertionPointVisible
    }),
    __unstableStickyBoundaryElement: stickyBoundaryElement // Render in the old slot if needed for backward compatibility,
    // otherwise render in place (not in the the default popover slot).
    ,
    __unstableSlotName: __unstablePopoverSlot || null,
    __unstableBoundaryParent: true // Observe movement for block animations (especially horizontal).
    ,
    __unstableObserveElement: node,
    shouldAnchorIncludePadding: true // Used to safeguard sticky position behavior against cases where it would permanently
    // obscure specific sections of a block.
    ,
    __unstableEditorCanvasWrapper: __unstableContentRef === null || __unstableContentRef === void 0 ? void 0 : __unstableContentRef.current
  }, (shouldShowContextualToolbar || isToolbarForced) && createElement("div", {
    onFocus: onFocus,
    onBlur: onBlur // While ideally it would be enough to capture the
    // bubbling focus event from the Inserter, due to the
    // characteristics of click focusing of `button`s in
    // Firefox and Safari, it is not reliable.
    //
    // See: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#Clicking_and_focus
    ,
    tabIndex: -1,
    className: classnames('block-editor-block-list__block-popover-inserter', {
      'is-visible': isInserterShown
    })
  }, createElement(Inserter, {
    clientId: clientId,
    rootClientId: rootClientId,
    __experimentalIsQuick: true
  })), (shouldShowContextualToolbar || isToolbarForced) && createElement(BlockContextualToolbar // If the toolbar is being shown because of being forced
  // it should focus the toolbar right after the mount.
  , {
    focusOnMount: isToolbarForced,
    __experimentalInitialIndex: initialToolbarItemIndexRef.current,
    __experimentalOnIndexChange: index => {
      initialToolbarItemIndexRef.current = index;
    } // Resets the index whenever the active block changes so
    // this is not persisted. See https://github.com/GeChiUI/gutenberg/pull/25760#issuecomment-717906169
    ,
    key: clientId
  }), shouldShowBreadcrumb && createElement(BlockSelectionButton, {
    clientId: clientId,
    rootClientId: rootClientId,
    blockElement: node
  }), showEmptyBlockSideInserter && createElement("div", {
    className: "block-editor-block-list__empty-block-inserter"
  }, createElement(Inserter, {
    position: "bottom right",
    rootClientId: rootClientId,
    clientId: clientId,
    __experimentalIsQuick: true
  })));
}

function wrapperSelector(select) {
  const {
    getSelectedBlockClientId,
    getFirstMultiSelectedBlockClientId,
    getBlockRootClientId,
    getBlock,
    getBlockParents,
    __experimentalGetBlockListSettingsForBlocks
  } = select(blockEditorStore);
  const clientId = getSelectedBlockClientId() || getFirstMultiSelectedBlockClientId();

  if (!clientId) {
    return;
  }

  const {
    name,
    attributes = {},
    isValid
  } = getBlock(clientId) || {};
  const blockParentsClientIds = getBlockParents(clientId); // Get Block List Settings for all ancestors of the current Block clientId

  const parentBlockListSettings = __experimentalGetBlockListSettingsForBlocks(blockParentsClientIds); // Get the clientId of the topmost parent with the capture toolbars setting.


  const capturingClientId = find(blockParentsClientIds, parentClientId => {
    var _parentBlockListSetti;

    return (_parentBlockListSetti = parentBlockListSettings[parentClientId]) === null || _parentBlockListSetti === void 0 ? void 0 : _parentBlockListSetti.__experimentalCaptureToolbars;
  });
  return {
    clientId,
    rootClientId: getBlockRootClientId(clientId),
    name,
    isValid,
    isEmptyDefaultBlock: name && isUnmodifiedDefaultBlock({
      name,
      attributes
    }),
    capturingClientId
  };
}

export default function WrappedBlockPopover(_ref2) {
  let {
    __unstablePopoverSlot,
    __unstableContentRef
  } = _ref2;
  const selected = useSelect(wrapperSelector, []);

  if (!selected) {
    return null;
  }

  const {
    clientId,
    rootClientId,
    name,
    isValid,
    isEmptyDefaultBlock,
    capturingClientId
  } = selected;

  if (!name) {
    return null;
  }

  return createElement(BlockPopover, {
    clientId: clientId,
    rootClientId: rootClientId,
    isValid: isValid,
    isEmptyDefaultBlock: isEmptyDefaultBlock,
    capturingClientId: capturingClientId,
    __unstablePopoverSlot: __unstablePopoverSlot,
    __unstableContentRef: __unstableContentRef
  });
}
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