Datemenu for News2

DateMenu.html

<div class="news2 news2-datemenu">
	<ul>
	<f:groupedFor each="{news}" as="newsByYear" groupBy="yearOf{dateField}" groupKey="year">
		<f:if condition="{settings.datemenu.year}">
			<li class="{f:if(condition: '{year} == {overwriteDemand.year}', then: 'active year', else: 'year')}"><f:link.action pageUid="{listPid}" arguments="{overwriteDemand:{year: year}}">{year}</f:link.action>
				<ul>
		</f:if>
		
			<f:groupedFor each="{newsByYear}" as="newsByMonth" groupBy="monthOf{dateField}" groupKey="month">
				<f:if condition="{settings.datemenu.month}">
					<n:ifOr condition="{settings.datemenu.monthforceShow}" condition1="{year} == {overwriteDemand.year}" condition2="{year} == {currentNewsItem.yearOfDatetime}">
						<li class="{n:ifOr(condition:'{0:year, 1:month} == {0:overwriteDemand.year, 1:overwriteDemand.month}', condition1: '{0:year, 1:month} == {0:currentNewsItem.yearOfDatetime, 1:currentNewsItem.monthOfDatetime}', then: 'active month', else: 'month')}">
							<f:link.action pageUid="{listPid}" arguments="{overwriteDemand:{year: year, month: month}}">
								<f:translate key="month.{month}" /> {year} (<span class="news2-datemenu-count"><f:count subject="{newsByMonth}" /></span><f:translate key="{f:if(condition: '{f:count(subject: newsByMonth)} == 1', then: 'entry', else: 'entries')}" />)
							</f:link.action>
					</n:ifOr>
				</f:if>
				
						<f:if condition="{settings.datemenu.newsItem}">
							<n:ifOr condition="{settings.datemenu.newsItemforceShow}" condition1="{0:year, 1:month} == {0:overwriteDemand.year, 1:overwriteDemand.month}" condition2="{0:year, 1:month} == {0:currentNewsItem.yearOfDatetime, 1:currentNewsItem.monthOfDatetime}">

								<f:if condition="{f:count(subject: newsByMonth)} >= 1">
									<ul>
									<f:for each="{newsByMonth}" as="newsItem">
										<li class="{f:if(condition: '{newsItem} == {currentNewsItem}', then: 'active newsItem', else: 'newsItem')}">
											<n:link action="detail" arguments="{newsItem: newsItem, settings: settings, overwriteDemand:{year: year, month: month}}">{newsItem.title}</n:link>
										</li>
									</f:for>
									</ul>
								</f:if>
								
							</n:ifOr>
						</f:if>
					
				<f:if condition="{settings.datemenu.month}">
					<n:ifOr condition="{settings.datemenu.monthforceShow}" condition1="{year} == {overwriteDemand.year}">
						</li>
					</n:ifOr>
				</f:if>
			</f:groupedFor>
			
		<f:if condition="{settings.datemenu.year}">
				</ul>
			</li>
		</f:if>
	</f:groupedFor>
	</ul>
</div>

IfOrViewHelper.php

<?php
/*                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License as published by the *
 * Free Software Foundation, either version 3 of the License, or (at your *
 * option) any later version.                                             *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser       *
 * General Public License for more details.                               *
 *                                                                        *
 * You should have received a copy of the GNU Lesser General Public       *
 * License along with the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

/**
 * This view helper implements an if/else condition, where multiple conditions can be supplied which will be placed as or to each other
 * @see Tx_Fluid_Core_Parser_SyntaxTree_ViewHelperNode::convertArgumentValue() to find see how boolean arguments are evaluated
 *
 * <n:ifOr condition="{rank} > 100" condition1="{level} > 10">
 *   Will be shown if rank is > 100 or level is > 10
 * </n:ifOr>
 *
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 */
class Tx_News2_ViewHelpers_IfOrViewHelper extends Tx_Fluid_Core_ViewHelper_AbstractConditionViewHelper {

	/**
	 * renders <f:then> child if $condition is true, otherwise renders <f:else> child.
	 *
	 * @param boolean $condition View helper condition
	 * @param boolean $condition1 View helper condition
	 * @param boolean $condition2 View helper condition
	 * @param boolean $condition3 View helper condition
	 * @return string the rendered string
	 * @author Thomas Allmer <at@delusionworld.com>
	 */
	public function render($condition, $condition1 = false, $condition2 = false, $condition3 = false) {
		if ($condition || $condition1 || $condition2 || $condition3) {
			return $this->renderThenChild();
		} else {
			return $this->renderElseChild();
		}
	}
}
?>

setup.txt

plugin.tx_news2.settings {
	datemenu {
		year = 1
		month = 1
		monthforceShow = 0
		newsItem = 0
		newsItemforceShow = 0
	}
}