RMS.Manage.Web/bower_components/ckfinder/plugins/fileeditor/codemirror/lib/codemirror.js

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// This is CodeMirror (http://codemirror.net), a code editor
// implemented in JavaScript on top of the browser's DOM.
//
// You can find some technical background for some of the code below
// at http://marijnhaverbeke.nl/blog/#cm-internals .

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    module.exports = mod();
  else if (typeof define == "function" && define.amd) // AMD
    return define([], mod);
  else // Plain browser env
    this.CodeMirror = mod();
})(function() {
  "use strict";

  // BROWSER SNIFFING

  // Kludges for bugs and behavior differences that can't be feature
  // detected are enabled based on userAgent etc sniffing.

  var gecko = /gecko\/\d/i.test(navigator.userAgent);
  // ie_uptoN means Internet Explorer version N or lower
  var ie_upto10 = /MSIE \d/.test(navigator.userAgent);
  var ie_upto7 = ie_upto10 && (document.documentMode == null || document.documentMode < 8);
  var ie_upto8 = ie_upto10 && (document.documentMode == null || document.documentMode < 9);
  var ie_upto9 = ie_upto10 && (document.documentMode == null || document.documentMode < 10);
  var ie_11up = /Trident\/([7-9]|\d{2,})\./.test(navigator.userAgent);
  var ie = ie_upto10 || ie_11up;
  var webkit = /WebKit\//.test(navigator.userAgent);
  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
  var chrome = /Chrome\//.test(navigator.userAgent);
  var presto = /Opera\//.test(navigator.userAgent);
  var safari = /Apple Computer/.test(navigator.vendor);
  var khtml = /KHTML\//.test(navigator.userAgent);
  var mac_geLion = /Mac OS X 1\d\D([7-9]|\d\d)\D/.test(navigator.userAgent);
  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
  var phantom = /PhantomJS/.test(navigator.userAgent);

  var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
  // This is woefully incomplete. Suggestions for alternative methods welcome.
  var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
  var mac = ios || /Mac/.test(navigator.platform);
  var windows = /win/i.test(navigator.platform);

  var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/);
  if (presto_version) presto_version = Number(presto_version[1]);
  if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
  // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
  var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
  var captureRightClick = gecko || (ie && !ie_upto8);

  // Optimize some code when these features are not used.
  var sawReadOnlySpans = false, sawCollapsedSpans = false;

  // EDITOR CONSTRUCTOR

  // A CodeMirror instance represents an editor. This is the object
  // that user code is usually dealing with.