OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	02/20/2020 05:44:43 AM	rwxr-xr-x
📄 CaretRangeFromPoint.ts	2.6 KB	02/20/2020 05:44:11 AM	rw-r--r--
📄 DetailsElement.ts	1.19 KB	02/20/2020 05:44:11 AM	rw-r--r--
📄 ElementSelection.ts	4.83 KB	02/20/2020 05:44:12 AM	rw-r--r--
📄 EventProcessRanges.ts	593 bytes	02/20/2020 05:44:12 AM	rw-r--r--
📄 FragmentReader.ts	3.82 KB	02/20/2020 05:44:13 AM	rw-r--r--
📄 GetSelectionContent.ts	2.12 KB	02/20/2020 05:44:15 AM	rw-r--r--
📄 MultiClickSelection.ts	1.64 KB	02/20/2020 05:44:16 AM	rw-r--r--
📄 MultiRange.ts	955 bytes	02/20/2020 05:44:17 AM	rw-r--r--
📄 NormalizeRange.ts	10.02 KB	02/20/2020 05:44:17 AM	rw-r--r--
📄 RangeCompare.ts	580 bytes	02/20/2020 05:44:18 AM	rw-r--r--
📄 RangeInsertNode.ts	1.52 KB	02/20/2020 05:44:18 AM	rw-r--r--
📄 RangeNodes.ts	946 bytes	02/20/2020 05:44:19 AM	rw-r--r--
📄 RangeNormalizer.ts	1.69 KB	02/20/2020 05:44:19 AM	rw-r--r--
📄 RangeWalk.ts	4.38 KB	02/20/2020 05:44:20 AM	rw-r--r--
📄 SelectionBookmark.ts	3.36 KB	02/20/2020 05:44:20 AM	rw-r--r--
📄 SelectionRestore.ts	1.98 KB	02/20/2020 05:44:21 AM	rw-r--r--
📄 SelectionUtils.ts	3.65 KB	02/20/2020 05:44:21 AM	rw-r--r--
📄 SetSelectionContent.ts	2.44 KB	02/20/2020 05:44:22 AM	rw-r--r--
📄 SimpleTableModel.ts	4.08 KB	02/20/2020 05:44:22 AM	rw-r--r--
📄 SplitRange.ts	1.94 KB	02/20/2020 05:44:23 AM	rw-r--r--
📄 TableCellSelection.ts	1.25 KB	02/20/2020 05:44:24 AM	rw-r--r--
📄 WordSelection.ts	1.47 KB	02/20/2020 05:44:24 AM	rw-r--r--

Editing: SelectionBookmark.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 { document } from '@ephox/dom-globals';
import { Fun, Option } from '@ephox/katamari';
import { PlatformDetection } from '@ephox/sand';
import { Compare, Element, Node, Text, Traverse, Selection } from '@ephox/sugar';
import Editor from '../api/Editor';

const browser = PlatformDetection.detect().browser;

const clamp = function (offset, element) {
  const max = Node.isText(element) ? Text.get(element).length : Traverse.children(element).length + 1;

if (offset > max) {
    return max;
  } else if (offset < 0) {
    return 0;
  }

return offset;
};

const normalizeRng = function (rng) {
  return Selection.range(
    rng.start(),
    clamp(rng.soffset(), rng.start()),
    rng.finish(),
    clamp(rng.foffset(), rng.finish())
  );
};

const isOrContains = function (root, elm) {
  return Compare.contains(root, elm) || Compare.eq(root, elm);
};

const isRngInRoot = function (root) {
  return function (rng) {
    return isOrContains(root, rng.start()) && isOrContains(root, rng.finish());
  };
};

const shouldStore = function (editor: Editor) {
  return editor.inline === true || browser.isIE();
};

const nativeRangeToSelectionRange = function (r) {
  return Selection.range(Element.fromDom(r.startContainer), r.startOffset, Element.fromDom(r.endContainer), r.endOffset);
};

const readRange = function (win) {
  const selection = win.getSelection();
  const rng = !selection || selection.rangeCount === 0 ? Option.none() : Option.from(selection.getRangeAt(0));
  return rng.map(nativeRangeToSelectionRange);
};

const getBookmark = function (root) {
  const win = Traverse.defaultView(root);

return readRange(win.dom())
    .filter(isRngInRoot(root));
};

const validate = function (root, bookmark) {
  return Option.from(bookmark)
      .filter(isRngInRoot(root))
      .map(normalizeRng);
};

const bookmarkToNativeRng = function (bookmark) {
  const rng = document.createRange();

try {
    // Might throw IndexSizeError
    rng.setStart(bookmark.start().dom(), bookmark.soffset());
    rng.setEnd(bookmark.finish().dom(), bookmark.foffset());
    return Option.some(rng);
  } catch (_) {
    return Option.none();
  }
};

const store = function (editor: Editor) {
  const newBookmark = shouldStore(editor) ? getBookmark(Element.fromDom(editor.getBody())) : Option.none();

editor.bookmark = newBookmark.isSome() ? newBookmark : editor.bookmark;
};

const storeNative = function (editor: Editor, rng) {
  const root = Element.fromDom(editor.getBody());
  const range = shouldStore(editor) ? Option.from(rng) : Option.none();

const newBookmark = range.map(nativeRangeToSelectionRange)
    .filter(isRngInRoot(root));

editor.bookmark = newBookmark.isSome() ? newBookmark : editor.bookmark;
};

const getRng = function (editor: Editor) {
  const bookmark = editor.bookmark ? editor.bookmark : Option.none();

return bookmark
    .bind(Fun.curry(validate, Element.fromDom(editor.getBody())))
    .bind(bookmarkToNativeRng);
};

const restore = function (editor: Editor) {
  getRng(editor).each(function (rng) {
    editor.selection.setRng(rng);
  });
};

export default {
  store,
  storeNative,
  readRange,
  restore,
  getRng,
  getBookmark,
  validate
};