(function () {
var visualchars = (function () {
  'use strict';

  var Cell = function (initial) {
    var value = initial;
    var get = function () {
      return value;
    };
    var set = function (v) {
      value = v;
    };
    var clone = function () {
      return Cell(get());
    };
    return {
      get: get,
      set: set,
      clone: clone
    };
  };

  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

  var get = function (toggleState) {
    var isEnabled = function () {
      return toggleState.get();
    };
    return { isEnabled: isEnabled };
  };
  var $_bzyi9mstjjgwefi0 = { get: get };

  var fireVisualChars = function (editor, state) {
    return editor.fire('VisualChars', { state: state });
  };
  var $_esznvlswjjgwefi3 = { fireVisualChars: fireVisualChars };

  var charMap = {
    '\xA0': 'nbsp',
    '\xAD': 'shy'
  };
  var charMapToRegExp = function (charMap, global) {
    var key, regExp = '';
    for (key in charMap) {
      regExp += key;
    }
    return new RegExp('[' + regExp + ']', global ? 'g' : '');
  };
  var charMapToSelector = function (charMap) {
    var key, selector = '';
    for (key in charMap) {
      if (selector) {
        selector += ',';
      }
      selector += 'span.mce-' + charMap[key];
    }
    return selector;
  };
  var $_9y0plgsyjjgwefib = {
    charMap: charMap,
    regExp: charMapToRegExp(charMap),
    regExpGlobal: charMapToRegExp(charMap, true),
    selector: charMapToSelector(charMap),
    charMapToRegExp: charMapToRegExp,
    charMapToSelector: charMapToSelector
  };

  var constant = function (value) {
    return function () {
      return value;
    };
  };







  var never = constant(false);
  var always = constant(true);

  var never$1 = never;
  var always$1 = always;
  var none = function () {
    return NONE;
  };
  var NONE = function () {
    var eq = function (o) {
      return o.isNone();
    };
    var call$$1 = function (thunk) {
      return thunk();
    };
    var id = function (n) {
      return n;
    };
    var noop$$1 = function () {
    };
    var nul = function () {
      return null;
    };
    var undef = function () {
      return undefined;
    };
    var me = {
      fold: function (n, s) {
        return n();
      },
      is: never$1,
      isSome: never$1,
      isNone: always$1,
      getOr: id,
      getOrThunk: call$$1,
      getOrDie: function (msg) {
        throw new Error(msg || 'error: getOrDie called on none.');
      },
      getOrNull: nul,
      getOrUndefined: undef,
      or: id,
      orThunk: call$$1,
      map: none,
      ap: none,
      each: noop$$1,
      bind: none,
      flatten: none,
      exists: never$1,
      forall: always$1,
      filter: none,
      equals: eq,
      equals_: eq,
      toArray: function () {
        return [];
      },
      toString: constant('none()')
    };
    if (Object.freeze)
      Object.freeze(me);
    return me;
  }();
  var some = function (a) {
    var constant_a = function () {
      return a;
    };
    var self = function () {
      return me;
    };
    var map = function (f) {
      return some(f(a));
    };
    var bind = function (f) {
      return f(a);
    };
    var me = {
      fold: function (n, s) {
        return s(a);
      },
      is: function (v) {
        return a === v;
      },
      isSome: always$1,
      isNone: never$1,
      getOr: constant_a,
      getOrThunk: constant_a,
      getOrDie: constant_a,
      getOrNull: constant_a,
      getOrUndefined: constant_a,
      or: self,
      orThunk: self,
      map: map,
      ap: function (optfab) {
        return optfab.fold(none, function (fab) {
          return some(fab(a));
        });
      },
      each: function (f) {
        f(a);
      },
      bind: bind,
      flatten: constant_a,
      exists: bind,
      forall: bind,
      filter: function (f) {
        return f(a) ? me : NONE;
      },
      equals: function (o) {
        return o.is(a);
      },
      equals_: function (o, elementEq) {
        return o.fold(never$1, function (b) {
          return elementEq(a, b);
        });
      },
      toArray: function () {
        return [a];
      },
      toString: function () {
        return 'some(' + a + ')';
      }
    };
    return me;
  };
  var from = function (value) {
    return value === null || value === undefined ? NONE : some(value);
  };
  var Option = {
    some: some,
    none: none,
    from: from
  };

  var typeOf = function (x) {
    if (x === null)
      return 'null';
    var t = typeof x;
    if (t === 'object' && Array.prototype.isPrototypeOf(x))
      return 'array';
    if (t === 'object' && String.prototype.isPrototypeOf(x))
      return 'string';
    return t;
  };
  var isType = function (type) {
    return function (value) {
      return typeOf(value) === type;
    };
  };






  var isFunction = isType('function');

  var map = function (xs, f) {
    var len = xs.length;
    var r = new Array(len);
    for (var i = 0; i < len; i++) {
      var x = xs[i];
      r[i] = f(x, i, xs);
    }
    return r;
  };
  var each = function (xs, f) {
    for (var i = 0, len = xs.length; i < len; i++) {
      var x = xs[i];
      f(x, i, xs);
    }
  };












  var slice = Array.prototype.slice;







  var from$1 = isFunction(Array.from) ? Array.from : function (x) {
    return slice.call(x);
  };

  var fromHtml = function (html, scope) {
    var doc = scope || document;
    var div = doc.createElement('div');
    div.innerHTML = html;
    if (!div.hasChildNodes() || div.childNodes.length > 1) {
      console.error('HTML does not have a single root node', html);
      throw 'HTML must have a single root node';
    }
    return fromDom(div.childNodes[0]);
  };
  var fromTag = function (tag, scope) {
    var doc = scope || document;
    var node = doc.createElement(tag);
    return fromDom(node);
  };
  var fromText = function (text, scope) {
    var doc = scope || document;
    var node = doc.createTextNode(text);
    return fromDom(node);
  };
  var fromDom = function (node) {
    if (node === null || node === undefined)
      throw new Error('Node cannot be null or undefined');
    return { dom: constant(node) };
  };
  var fromPoint = function (docElm, x, y) {
    var doc = docElm.dom();
    return Option.from(doc.elementFromPoint(x, y)).map(fromDom);
  };
  var Element$$1 = {
    fromHtml: fromHtml,
    fromTag: fromTag,
    fromText: fromText,
    fromDom: fromDom,
    fromPoint: fromPoint
  };

  var $_galabmt7jjgwefjh = {
    ATTRIBUTE: Node.ATTRIBUTE_NODE,
    CDATA_SECTION: Node.CDATA_SECTION_NODE,
    COMMENT: Node.COMMENT_NODE,
    DOCUMENT: Node.DOCUMENT_NODE,
    DOCUMENT_TYPE: Node.DOCUMENT_TYPE_NODE,
    DOCUMENT_FRAGMENT: Node.DOCUMENT_FRAGMENT_NODE,
    ELEMENT: Node.ELEMENT_NODE,
    TEXT: Node.TEXT_NODE,
    PROCESSING_INSTRUCTION: Node.PROCESSING_INSTRUCTION_NODE,
    ENTITY_REFERENCE: Node.ENTITY_REFERENCE_NODE,
    ENTITY: Node.ENTITY_NODE,
    NOTATION: Node.NOTATION_NODE
  };

  var name = function (element) {
    var r = element.dom().nodeName;
    return r.toLowerCase();
  };
  var type = function (element) {
    return element.dom().nodeType;
  };
  var value = function (element) {
    return element.dom().nodeValue;
  };
  var isType$1 = function (t) {
    return function (element) {
      return type(element) === t;
    };
  };
  var isComment = function (element) {
    return type(element) === $_galabmt7jjgwefjh.COMMENT || name(element) === '#comment';
  };
  var isElement = isType$1($_galabmt7jjgwefjh.ELEMENT);
  var isText = isType$1($_galabmt7jjgwefjh.TEXT);
  var isDocument = isType$1($_galabmt7jjgwefjh.DOCUMENT);
  var $_139fcwt6jjgwefjf = {
    name: name,
    type: type,
    value: value,
    isElement: isElement,
    isText: isText,
    isDocument: isDocument,
    isComment: isComment
  };

  var wrapCharWithSpan = function (value) {
    return '<span data-mce-bogus="1" class="mce-' + $_9y0plgsyjjgwefib.charMap[value] + '">' + value + '</span>';
  };
  var $_cymkmit8jjgwefji = { wrapCharWithSpan: wrapCharWithSpan };

  var isMatch = function (n) {
    return $_139fcwt6jjgwefjf.isText(n) && $_139fcwt6jjgwefjf.value(n) !== undefined && $_9y0plgsyjjgwefib.regExp.test($_139fcwt6jjgwefjf.value(n));
  };
  var filterDescendants = function (scope, predicate) {
    var result = [];
    var dom = scope.dom();
    var children = map(dom.childNodes, Element$$1.fromDom);
    each(children, function (x) {
      if (predicate(x)) {
        result = result.concat([x]);
      }
      result = result.concat(filterDescendants(x, predicate));
    });
    return result;
  };
  var findParentElm = function (elm, rootElm) {
    while (elm.parentNode) {
      if (elm.parentNode === rootElm) {
        return elm;
      }
      elm = elm.parentNode;
    }
  };
  var replaceWithSpans = function (html) {
    return html.replace($_9y0plgsyjjgwefib.regExpGlobal, $_cymkmit8jjgwefji.wrapCharWithSpan);
  };
  var $_focch4szjjgwefic = {
    isMatch: isMatch,
    filterDescendants: filterDescendants,
    findParentElm: findParentElm,
    replaceWithSpans: replaceWithSpans
  };

  var show = function (editor, rootElm) {
    var node, div;
    var nodeList = $_focch4szjjgwefic.filterDescendants(Element$$1.fromDom(rootElm), $_focch4szjjgwefic.isMatch);
    each(nodeList, function (n) {
      var withSpans = $_focch4szjjgwefic.replaceWithSpans($_139fcwt6jjgwefjf.value(n));
      div = editor.dom.create('div', null, withSpans);
      while (node = div.lastChild) {
        editor.dom.insertAfter(node, n.dom());
      }
      editor.dom.remove(n.dom());
    });
  };
  var hide = function (editor, body) {
    var nodeList = editor.dom.select($_9y0plgsyjjgwefib.selector, body);
    each(nodeList, function (node) {
      editor.dom.remove(node, 1);
    });
  };
  var toggle = function (editor) {
    var body = editor.getBody();
    var bookmark = editor.selection.getBookmark();
    var parentNode = $_focch4szjjgwefic.findParentElm(editor.selection.getNode(), body);
    parentNode = parentNode !== undefined ? parentNode : body;
    hide(editor, parentNode);
    show(editor, parentNode);
    editor.selection.moveToBookmark(bookmark);
  };
  var $_wmo7hsxjjgwefi4 = {
    show: show,
    hide: hide,
    toggle: toggle
  };

  var toggleVisualChars = function (editor, toggleState) {
    var body = editor.getBody();
    var selection = editor.selection;
    var bookmark;
    toggleState.set(!toggleState.get());
    $_esznvlswjjgwefi3.fireVisualChars(editor, toggleState.get());
    bookmark = selection.getBookmark();
    if (toggleState.get() === true) {
      $_wmo7hsxjjgwefi4.show(editor, body);
    } else {
      $_wmo7hsxjjgwefi4.hide(editor, body);
    }
    selection.moveToBookmark(bookmark);
  };
  var $_f6l8oisvjjgwefi2 = { toggleVisualChars: toggleVisualChars };

  var register = function (editor, toggleState) {
    editor.addCommand('mceVisualChars', function () {
      $_f6l8oisvjjgwefi2.toggleVisualChars(editor, toggleState);
    });
  };
  var $_bc5gevsujjgwefi1 = { register: register };

  var global$1 = tinymce.util.Tools.resolve('tinymce.util.Delay');

  var setup = function (editor, toggleState) {
    var debouncedToggle = global$1.debounce(function () {
      $_wmo7hsxjjgwefi4.toggle(editor);
    }, 300);
    if (editor.settings.forced_root_block !== false) {
      editor.on('keydown', function (e) {
        if (toggleState.get() === true) {
          e.keyCode === 13 ? $_wmo7hsxjjgwefi4.toggle(editor) : debouncedToggle();
        }
      });
    }
  };
  var $_cgjud5t9jjgwefjk = { setup: setup };

  var toggleActiveState = function (editor) {
    return function (e) {
      var ctrl = e.control;
      editor.on('VisualChars', function (e) {
        ctrl.active(e.state);
      });
    };
  };
  var register$1 = function (editor) {
    editor.addButton('visualchars', {
      active: false,
      title: 'Show invisible characters',
      cmd: 'mceVisualChars',
      onPostRender: toggleActiveState(editor)
    });
    editor.addMenuItem('visualchars', {
      text: 'Show invisible characters',
      cmd: 'mceVisualChars',
      onPostRender: toggleActiveState(editor),
      selectable: true,
      context: 'view',
      prependToContext: true
    });
  };

  global.add('visualchars', function (editor) {
    var toggleState = Cell(false);
    $_bc5gevsujjgwefi1.register(editor, toggleState);
    register$1(editor);
    $_cgjud5t9jjgwefjk.setup(editor, toggleState);
    return $_bzyi9mstjjgwefi0.get(toggleState);
  });
  function Plugin () {
  }

  return Plugin;

}());
})();