OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	02/20/2020 05:44:43 AM	rwxr-xr-x
📄 BlockBoundaryDelete.ts	950 bytes	02/20/2020 05:42:46 AM	rw-r--r--
📄 BlockMergeBoundary.ts	3.03 KB	02/20/2020 05:42:46 AM	rw-r--r--
📄 BlockRangeDelete.ts	2.51 KB	02/20/2020 05:42:47 AM	rw-r--r--
📄 CefBoundaryDelete.ts	3.77 KB	02/20/2020 05:42:47 AM	rw-r--r--
📄 CefDelete.ts	3.16 KB	02/20/2020 05:42:48 AM	rw-r--r--
📄 CefDeleteAction.ts	5.63 KB	02/20/2020 05:42:49 AM	rw-r--r--
📄 DeleteCommands.ts	2.09 KB	02/20/2020 05:42:49 AM	rw-r--r--
📄 DeleteElement.ts	6.5 KB	02/20/2020 05:42:50 AM	rw-r--r--
📄 DeleteUtils.ts	2.39 KB	02/20/2020 05:42:50 AM	rw-r--r--
📄 ImageBlockDelete.ts	1.23 KB	02/20/2020 05:42:51 AM	rw-r--r--
📄 InlineBoundaryDelete.ts	4.91 KB	02/20/2020 05:42:52 AM	rw-r--r--
📄 InlineFormatDelete.ts	2.38 KB	02/20/2020 05:42:52 AM	rw-r--r--
📄 MergeBlocks.ts	3.69 KB	02/20/2020 05:42:53 AM	rw-r--r--
📄 MergeText.ts	2.9 KB	02/20/2020 05:42:53 AM	rw-r--r--
📄 TableDelete.ts	5.81 KB	02/20/2020 05:42:54 AM	rw-r--r--
📄 TableDeleteAction.ts	4.26 KB	02/20/2020 05:42:54 AM	rw-r--r--

Editing: BlockRangeDelete.ts

/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 */

import { Fun, Options } from '@ephox/katamari';
import { Compare, Element, PredicateFind } from '@ephox/sugar';
import CaretFinder from '../caret/CaretFinder';
import CaretPosition from '../caret/CaretPosition';
import DeleteUtils from './DeleteUtils';
import MergeBlocks from './MergeBlocks';
import * as ElementType from '../dom/ElementType';
import Selection from '../api/dom/Selection';
import Editor from '../api/Editor';

const deleteRangeMergeBlocks = function (rootNode, selection: Selection) {
  const rng = selection.getRng();

return Options.liftN([
    DeleteUtils.getParentBlock(rootNode, Element.fromDom(rng.startContainer)),
    DeleteUtils.getParentBlock(rootNode, Element.fromDom(rng.endContainer))
  ], function (block1, block2) {
    if (Compare.eq(block1, block2) === false) {
      rng.deleteContents();

MergeBlocks.mergeBlocks(rootNode, true, block1, block2).each(function (pos) {
        selection.setRng(pos.toRange());
      });

return true;
    } else {
      return false;
    }
  }).getOr(false);
};

const isRawNodeInTable = function (root, rawNode) {
  const node = Element.fromDom(rawNode);
  const isRoot = Fun.curry(Compare.eq, root);
  return PredicateFind.ancestor(node, ElementType.isTableCell, isRoot).isSome();
};

const isSelectionInTable = function (root, rng) {
  return isRawNodeInTable(root, rng.startContainer) || isRawNodeInTable(root, rng.endContainer);
};

const isEverythingSelected = function (root, rng) {
  const noPrevious = CaretFinder.prevPosition(root.dom(), CaretPosition.fromRangeStart(rng)).isNone();
  const noNext = CaretFinder.nextPosition(root.dom(), CaretPosition.fromRangeEnd(rng)).isNone();
  return !isSelectionInTable(root, rng) && noPrevious && noNext;
};

const emptyEditor = function (editor: Editor) {
  editor.setContent('');
  editor.selection.setCursorLocation();
  return true;
};

const deleteRange = function (editor: Editor) {
  const rootNode = Element.fromDom(editor.getBody());
  const rng = editor.selection.getRng();
  return isEverythingSelected(rootNode, rng) ? emptyEditor(editor) : deleteRangeMergeBlocks(rootNode, editor.selection);
};

const backspaceDelete = function (editor: Editor, forward: boolean) {
  return editor.selection.isCollapsed() ? false : deleteRange(editor);
};

export default {
  backspaceDelete
};