StudentInformationManagement/X-admin/editormd/lib/codemirror/addon/search/match-highlighter.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE

// Highlighting text that matches the selection
//
// Defines an option highlightSelectionMatches, which, when enabled,
// will style strings that match the selection throughout the
// document.
//
// The option can be set to true to simply enable it, or to a
// {minChars, style, wordsOnly, showToken, delay} object to explicitly
// configure it. minChars is the minimum amount of characters that should be
// selected for the behavior to occur, and style is the token style to
// apply to the matches. This will be prefixed by "cm-" to create an
// actual CSS class name. If wordsOnly is enabled, the matches will be
// highlighted only if the selected text is a word. showToken, when enabled,
// will cause the current token to be highlighted when nothing is selected.
// delay is used to specify how much time to wait, in milliseconds, before
// highlighting the matches.

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

  var DEFAULT_MIN_CHARS = 2;
  var DEFAULT_TOKEN_STYLE = "matchhighlight";
  var DEFAULT_DELAY = 100;
  var DEFAULT_WORDS_ONLY = false;

  function State(options) {
    if (typeof options == "object") {
      this.minChars = options.minChars;
      this.style = options.style;
      this.showToken = options.showToken;
      this.delay = options.delay;
      this.wordsOnly = options.wordsOnly;
    }
    if (this.style == null) this.style = DEFAULT_TOKEN_STYLE;
    if (this.minChars == null) this.minChars = DEFAULT_MIN_CHARS;
    if (this.delay == null) this.delay = DEFAULT_DELAY;
    if (this.wordsOnly == null) this.wordsOnly = DEFAULT_WORDS_ONLY;
    this.overlay = this.timeout = null;
  }

  CodeMirror.defineOption("highlightSelectionMatches", false, function(cm, val, old) {
    if (old && old != CodeMirror.Init) {
      var over = cm.state.matchHighlighter.overlay;
      if (over) cm.removeOverlay(over);
      clearTimeout(cm.state.matchHighlighter.timeout);
      cm.state.matchHighlighter = null;
      cm.off("cursorActivity", cursorActivity);
    }
    if (val) {
      cm.state.matchHighlighter = new State(val);