/* * Copyright (c) 2016 Alex Yatskov * Author: Alex Yatskov * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ function insertBreakAtPoint(e) { var range; var textNode; var offset; if (document.caretPositionFromPoint) { range = document.caretPositionFromPoint(e.clientX, e.clientY); textNode = range.offsetNode; offset = range.offset; } else if (document.caretRangeFromPoint) { range = document.caretRangeFromPoint(e.clientX, e.clientY); textNode = range.startContainer; offset = range.startOffset; } // only split TEXT_NODEs if (textNode.nodeType == 3) { var replacement = textNode.splitText(offset); var br = document.createElement('br'); textNode.parentNode.insertBefore(br, replacement); } } function onMouseDown(e) { insertBreakAtPoint(e); } window.addEventListener('mousedown', onMouseDown, false);