File: public/js/tinymce/src/plugins/lists/src/main/js/api/Commands.js

/**
 * Commands.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

define(
  'tinymce.plugins.lists.api.Commands',
  [
    'tinymce.plugins.lists.actions.Indent',
    'tinymce.plugins.lists.actions.Outdent',
    'tinymce.plugins.lists.actions.ToggleList'
  ],
  function (Indent, Outdent, ToggleList) {
    var queryListCommandState = function (editor, listName) {
      return function () {
        var parentList = editor.dom.getParent(editor.selection.getStart(), 'UL,OL,DL');
        return parentList && parentList.nodeName === listName;
      };
    };

    var register = function (editor) {
      editor.on('BeforeExecCommand', function (e) {
        var cmd = e.command.toLowerCase(), isHandled;

        if (cmd === "indent") {
          if (Indent.indentSelection(editor)) {
            isHandled = true;
          }
        } else if (cmd === "outdent") {
          if (Outdent.outdentSelection(editor)) {
            isHandled = true;
          }
        }

        if (isHandled) {
          editor.fire('ExecCommand', { command: e.command });
          e.preventDefault();
          return true;
        }
      });

      editor.addCommand('InsertUnorderedList', function (ui, detail) {
        ToggleList.toggleList(editor, 'UL', detail);
      });

      editor.addCommand('InsertOrderedList', function (ui, detail) {
        ToggleList.toggleList(editor, 'OL', detail);
      });

      editor.addCommand('InsertDefinitionList', function (ui, detail) {
        ToggleList.toggleList(editor, 'DL', detail);
      });

      editor.addQueryStateHandler('InsertUnorderedList', queryListCommandState(editor, 'UL'));
      editor.addQueryStateHandler('InsertOrderedList', queryListCommandState(editor, 'OL'));
      editor.addQueryStateHandler('InsertDefinitionList', queryListCommandState(editor, 'DL'));
    };

    return {
      register: register
    };
  }
);