/**
 * @description 撤销
 * @author tonghan
 */

import $ from '../../utils/dom-core'
import Editor from '../../editor/index'
import BtnMenu from '../menu-constructors/BtnMenu'
import { MenuActive } from '../menu-constructors/Menu'

class Undo extends BtnMenu implements MenuActive {
    constructor(editor: Editor) {
        const $elem = $(
            `<div class="w-e-menu">
                <i class="icon-undo"></i>
            </div>`
        )
        super($elem, editor)
    }

    /**
     * 点击事件
     */
    public clickHandler(): void {
        this.editor.undo.undo()
    }

    /**
     * 尝试修改菜单激活状态
     */
    public tryChangeActive(): void {}
}

export default Undo