DocumentServer-v-9.2.0/web-apps/apps/documenteditor/main/app/template/LeftMenu.template

<div id="view-left-menu" class="tool-menu left">
    <div class="tool-menu-btns" role="menubar" aria-orientation="vertical" aria-label="<%= scope.ariaLeftMenu %>">
        <button id="left-btn-searchbar" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target="left-panel-search"><i class="icon toolbar__icon btn-menu-search">&nbsp;</i></button>
        <!-- /** coauthoring begin **/ -->
        <button id="left-btn-comments" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target="left-panel-comments"><i class="icon toolbar__icon btn-menu-comments">&nbsp;</i></button>
        <button id="left-btn-chat" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target="left-panel-chat"><i class="icon toolbar__icon btn-menu-chat">&nbsp;</i></button>
        <!-- /** coauthoring end **/ -->
        <button id="left-btn-navigation" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target="" data-layout-name="leftMenu-navigation"><i class="icon toolbar__icon btn-menu-navigation">&nbsp;</i></button>
        <button id="left-btn-thumbnails" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target=""><i class="icon toolbar__icon btn-menu-thumbs">&nbsp;</i></button>
        <button id="left-btn-support" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target=""><i class="icon toolbar__icon btn-menu-support">&nbsp;</i></button>
        <button id="left-btn-about" class="btn btn-category" data-hint="0" data-hint-direction="right" data-hint-offset="big" content-target=""><i class="icon toolbar__icon btn-menu-about">&nbsp;</i></button>
        <div id="slot-left-menu-more"></div>
    </div>
    <div class="left-panel side-panel" style="">
        <div id="left-panel-search" class="content-box" style="display: none;"></div>
        <!-- /** coauthoring begin **/ -->
        <div id="left-panel-comments" class="content-box" style="display: none;"></div>
        <div id="left-panel-chat" class="content-box" style="display: none;"></div>
        <!-- /** coauthoring end **/ -->
        <div id="left-panel-navigation" class="content-box" style="display: none; height: 100%;"></div>
        <div id="left-panel-thumbnails" class="content-box" style="display: none; height: 100%;"></div>
    </div>
</div>