Function add

modules/tinymce/src/core/main/ts/api/EditorManager.ts:524–561

* Adds an editor instance to the editor collection. This will also set it as the active editor. * * @method add * @param {tinymce.Editor} editor Editor instance to add to the collection. * @return {tinymce.Editor} The same instance that got passed in.

(editor)

   * @return {tinymce.Editor} The same instance that got passed in.
   */
  add(editor) {
    const self: EditorManager = this;

    // Prevent existing editors from being added again this could happen
    // if a user calls createEditor then render or add multiple times.
    const existingEditor = self.get(editor.id);
    if (existingEditor === editor) {
      return editor;
    }

    if (existingEditor === null) {
      editors.push(editor);
    }

    toggleGlobalEvents(true);

    // Doesn't call setActive method since we don't want
    // to fire a bunch of activate/deactivate calls while initializing
    self.activeEditor = editor;

    self.dispatch('AddEditor', { editor });

    if (!beforeUnloadDelegate) {
      beforeUnloadDelegate = (e) => {
        const event = self.dispatch('BeforeUnload');
        if (event.returnValue) {
          // browsers are all a little bit special about this: https://developer.mozilla.org/en-US/docs/Web/API/BeforeUnloadEvent
          e.preventDefault();
          e.returnValue = event.returnValue;
          return event.returnValue;
        }
      };

      window.addEventListener('beforeunload', beforeUnloadDelegate);
    }

    return editor;
  },

  /**
   * Creates an editor instance and adds it to the EditorManager collection.