Manual rendering of page menus and different treatment for specific page uids

PageMenu.html

<div xmlns:v="http://typo3.org/ns/FluidTYPO3/Vhs/ViewHelpers"
	 xmlns:f="http://typo3.org/ns/fluid/ViewHelpers">
	 
  <f:section name="MainMenu">
		<ul class="nav">
			<v:page.menu pageUid="{settings.mainMenuRootPageUid}" entryLevel="2" levels="2" expandAll="TRUE" as="menu">
				<f:for each="{menu}" as="item">
					<v:switch value="{item.uid}">
						<v:case case="{settings.pageUidToDoSmthElse}" break="TRUE">
							<li class="{item.class} dropdown">
								<a href="{item.link}" class="dropdown-toggle" data-toggle="dropdown">{item.linktext}</a>
								<f:render partial="PageMenu/OtherTypeOfSubmenu" arguments="{_all}" optional="TRUE" />
							</li>
						</v:case>
						<v:case case="default">
							<f:if condition="{item.hasSubPages}">
								<f:then>
									<li class="{item.class} dropdown">
										<a href="{item.link}" class="dropdown-toggle" data-toggle="dropdown">{item.linktext}</a>
										<ul class="dropdown-menu">
											<f:render section="Submenu" arguments="{_all}" />
										</ul>
									</li>
								</f:then>
								<f:else>
									<li class="{item.class}">
										<a href="{item.link}">{item.linktext}</a>
									</li>
								</f:else>
							</f:if>
						</v:case>
					</v:switch>
				</f:for>
			</v:page.menu>
		</ul>
	</f:section>

	<f:section name="Submenu">
		<v:page.menu pageUid="{item.uid}" entryLevel="2" levels="1" as="submenu">
			<f:for each="{submenu}" as="subitem">
				<li class="{subitem.class}">
					<a href="{subitem.link}">{subitem.linktext}</a>
				</li>
			</f:for>
		</v:page.menu>
	</f:section>
	
</div>