<?php
/**
 * @package    JEM
 * @copyright  (C) 2013-2024 joomlaeventmanager.net
 * @copyright  (C) 2005-2009 Christoph Lukes
 * @license    https://www.gnu.org/licenses/gpl-3.0 GNU/GPL
 */

/**
 * Based on
 * @class: activeCalendar
 * @project: Active Calendar
 * @version: 1.2.0;
 * @author: Giorgos Tsiledakis;
 * @date: 23 Feb 2006;
 * @copyright: Giorgos Tsiledakis;
 * @license: GNU LESSER GENERAL PUBLIC LICENSE;
 * Support, feature requests and bug reports please at : https://www.micronetwork.de/activecalendar/
 * Special thanks to Corissia S.A (https://www.corissia.com) for the permission to publish the source code
 * Thanks to Maik Lindner (https://nifox.com) for his help developing this class
 */
defined('_JEXEC') or die;

use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;

#[AllowDynamicProperties]
class JemCalendar
{
	/*
	----------------------
	@START CONFIGURATION
	----------------------
	*/
	/*
	********************************************************************************
	You can change below the month and day names, according to your language
	This is just the default configuration. You may set the month and day names by calling setMonthNames() and setDayNames()
	********************************************************************************
	*/
	var $jan="January";
	var $feb="February";
	var $mar="March";
	var $apr="April";
	var $may="May";
	var $jun="June";
	var $jul="July";
	var $aug="August";
	var $sep="September";
	var $oct="October";
	var $nov="November";
	var $dec="December";
	var $sun="Sun";
	var $mon="Mon";
	var $tue="Tue";
	var $wed="Wed";
	var $thu="Thu";
	var $fri="Fri";
	var $sat="Sat";

	/*
	********************************************************************************
	$startOnSun = false: first day of week is Monday
	$startOnSun = true: first day of week is Sunday
	You may use the method setFirstWeekDay() instead
	********************************************************************************
	*/
	var $startOnSun=false;
	/*
	********************************************************************************
	$rowCount : defines the number of months in a row in yearview (can be also set by the method showYear())
	********************************************************************************
	*/
	var $rowCount=4;
	/*
	********************************************************************************
	Names of the generated html classes. You may change them to avoid any conflicts with your existing CSS
	********************************************************************************
	*/
	var $cssYearTable="year"; // table tag: calendar year
	var $cssYearTitle="yearname"; // td tag: calendar year title
	var $cssYearNav="yearnavigation"; // td tag: calendar year navigation
	var $cssMonthTable="month"; // table tag: calendar month
	var $cssMonthTitle="monthname"; // td tag: calendar month title
	var $cssMonthNav="monthnavigation"; // td tag: calendar month navigation
	var $cssWeekDay="dayname"; // td tag: calendar weekdays
	var $cssWeekNumTitle="weeknumtitle"; // td tag: title of the week numbers
	var $cssWeekNum="weeknum"; // td tag: week numbers
	var $cssPicker="datepicker"; // td tag: date picker
	var $cssPickerForm="datepickerform"; // form tag: date picker form
	var $cssPickerMonth="monthpicker"; // select tag: month picker
	var $cssPickerYear="yearpicker"; // select tag: year picker
	var $cssPickerButton="pickerbutton"; // input (submit) tag: date picker button
	var $cssMonthDay="monthday"; // td tag: days, that belong to the current month
	var $cssNoMonthDay="nomonthday"; // td tag: days, that do not belong to the current month
	var $cssToday="today"; // td tag: the current day
	var $cssSelecDay="selectedday"; // td tag: the selected day
	var $cssSunday="sunday"; // td tag: all Sundays (can be disabled, see below)
	var $cssSaturday="saturday"; // td tag: all Saturdays (can be disabled, see below)
	var $cssEvent="event"; // td tag: event day set by setEvent(). Multiple class names can be generated
	var $cssPrefixSelecEvent="selected"; // prefix for the event class name if the event is selected
	var $cssPrefixTodayEvent="today"; // prefix for the event class name if the event is the current day
	var $cssEventContent="eventcontent"; // table tag: calendar event content. Multiple class names can be generated
	var $crSunClass=true; // true: creates a td class on every Sunday (set above)
	var $crSatClass=true; // true: creates a td class on every Saturday (set above)
	/*
	********************************************************************************
	You can change below the GET VARS NAMES [url parameter names] (navigation + day links)
	You should modify the private method mkUrl() or mkWeekNum(), if you want to change the structure of the generated links
	********************************************************************************
	*/
	var $yearID="yearID";
	var $monthID="monthID";
	var $dayID="dayID";
	var $weekID="weekID";
	/*
	********************************************************************************
	Default start and end year for the date picker (can be changed, if using the ADOdb Date Library)
	********************************************************************************
	*/
	var $startYear=1971;
	var $endYear=2037;
	/*
	----------------------
	@START PUBLIC METHODS
	----------------------
	*/
	/*
	********************************************************************************
	PUBLIC activeCalendar() -> class constructor, does the initial date calculation
	$GMTDiff: GMT Zone for current day calculation, do not set to use local server time
	********************************************************************************
	*/
	public function __construct($year=false,$month=false,$day=false,$GMTDiff="none") {
		$this->timetoday=time();
		$this->selectedday=-2;
		$this->selectedyear=$year;
		$this->selectedmonth=$month;
		if (!$month) $month=1;
		if (!$day) $day=1;
		else $this->selectedday=$day;
		$h=$this->mkActiveGMDate("H");
		$m=$this->mkActiveGMDate("i");
		$s=$this->mkActiveGMDate("s");
		$d=$this->mkActiveGMDate("j");
		$mo=$this->mkActiveGMDate("n");
		$y=$this->mkActiveGMDate("Y");
		$is_dst=$this->mkActiveDate("I");
		if ($GMTDiff!="none") $this->timetoday=$this->mkActiveTime($h,$m,$s,$mo,$d,$y)+(3600*($GMTDiff+$is_dst));
		$this->unixtime=$this->mkActiveTime($h,$m,$s,$month,$day,$year);
		if ($this->unixtime==-1 || !$year) $this->unixtime=$this->timetoday;
		$this->daytoday=$this->mkActiveDate("j");
		$this->monthtoday=$this->mkActiveDate("n");
		$this->yeartoday=$this->mkActiveDate("Y");
		if (!$day) $this->actday=$this->daytoday;
		else $this->actday=$this->mkActiveDate("j",$this->unixtime);
		if (!$month) $this->actmonth=$this->monthtoday;
		else $this->actmonth=$this->mkActiveDate("n",$this->unixtime);
		if (!$year) $this->actyear=$this->yeartoday;
		else $this->actyear=$this->mkActiveDate("Y",$this->unixtime);
		$this->has31days=checkdate($this->actmonth,31,$this->actyear);
		$this->isSchalt=checkdate(2,29,$this->actyear);
		if ($this->isSchalt==1 && $this->actmonth==2) $this->maxdays=29;
		elseif ($this->isSchalt!=1 && $this->actmonth==2) $this->maxdays=28;
		elseif ($this->has31days==1) $this->maxdays=31;
		else $this->maxdays=30;
		$this->firstday=$this->mkActiveDate("w", $this->mkActiveTime(0,0,1,$this->actmonth,1,$this->actyear));
		$this->GMTDiff=$GMTDiff;

		/*
		********************************************************************************
		You can change below the default year's and month's view navigation controls
		********************************************************************************
		*/

		if (version_compare(JVERSION, '5.0.0', '>=')) {
			// Joomla 5
			$this->yearNavBack=" <i class='fa-solid fa-backward'></i> "; // Previous year
			$this->yearNavForw=" <i class='fa-solid fa-forward'></i> "; // Next year
			$this->monthNavBack=" <i class='fa-solid fa-backward-step'></i> "; // Previous month
			$this->monthNavForw=" <i class='fa-solid fa-forward-step'></i> "; // Next month
		} elseif (version_compare(JVERSION, '4.0.0', '>=')) {
			// Joomla 4
			$this->yearNavBack=" &lt;&lt; "; // Previous year, this could be an image link
			$this->yearNavForw=" &gt;&gt; "; // Next year, this could be an image link
			$this->monthNavBack=" &lt;&lt; "; // Previous month, this could be an image link
			$this->monthNavForw=" &gt;&gt; "; // Next month, this could be an image link
		}
		$this->selBtn="Go"; // value of the date picker button (if enabled)
		$this->monthYearDivider=" "; // the divider between month and year in the month`s title
	}
	/*
	********************************************************************************
	PUBLIC enableYearNav() -> enables the year's navigation controls
	********************************************************************************
	*/
	function enableYearNav($link=false,$arrowBack=false,$arrowForw=false) {
		if ($link) $this->urlNav=$link;
		if ($arrowBack) $this->yearNavBack=$arrowBack;
		if ($arrowForw) $this->yearNavForw=$arrowForw;
		$this->yearNav=true;
	}
	/*
	********************************************************************************
	PUBLIC enableMonthNav() -> enables the month's navigation controls
	********************************************************************************
	*/
	function enableMonthNav($link=false,$arrowBack=false,$arrowForw=false) {
		if ($link) $this->urlNav=$link;
		if ($arrowBack) $this->monthNavBack=$arrowBack;
		if ($arrowForw) $this->monthNavForw=$arrowForw;
		$this->monthNav=true;
	}
	/*
	********************************************************************************
	PUBLIC enableDayLinks() -> enables the day links
	param javaScript: sets a Javascript function on each day link
	********************************************************************************
	*/
	function enableDayLinks($link=false,$javaScript=false) {
		if ($link) $this->url=$link;
		if ($javaScript) $this->javaScriptDay=$javaScript;
		$this->dayLinks=true;
	}
	/*
	********************************************************************************
	PUBLIC enableNewEventLinks() -> enables links on each day to create new events
	param link: full html template with token "{date}" to get day's date
	********************************************************************************
	*/
	function enableNewEventLinks($link) {
		if ($link && (stripos($link, '{date}') !== false)) {
			$this->htmlNewEventLink = $link;
			$this->dayNewEventLinks = true;
		} else {
			$this->dayNewEventLinks = false;
		}

		return $this->dayNewEventLinks;
	}
	/*
	********************************************************************************
	PUBLIC enableDatePicker() -> enables the day picker control
	********************************************************************************
	*/
	function enableDatePicker($startYear=false,$endYear=false,$link=false,$button=false) {
		if ($link) $this->urlPicker=$link;
		if ($startYear && $endYear) {
			if ($startYear>=$this->startYear && $startYear<$this->endYear) $this->startYear=$startYear;
			if ($endYear>$this->startYear && $endYear<=$this->endYear) $this->endYear=$endYear;
		}
		if ($button) $this->selBtn=$button;
		$this->datePicker=true;
	}
	/*
	********************************************************************************
	PUBLIC enableWeekNum() -> enables a week number column
	********************************************************************************
	*/
	function enableWeekNum($title="",$link=false,$javaScript=false) {
		// checking before enabling, as week number calulation works only if php version > 4.1.0 [php function: date ("W")]
		if (is_integer($this->getWeekNum($this->actday))) {
			$this->weekNum=true;
			$this->weekNumTitle=$title;
			$this->monthSpan++;

			if (empty($link)) {
				$this->weekUrl='';
			} else {
				$this->weekUrl=$link;
			}

			if (empty($javaScript)) {
				$this->javaScriptWeek='';
			} else {
				$this->javaScriptWeek=$javaScript;
			}
		}
	}
	/*
	********************************************************************************
	PUBLIC setEvent() -> sets a calendar event, $id: the HTML class (css layout)
	********************************************************************************
	*/
	function setEvent($year,$month,$day,$id=false,$url=false) {
		$eventTime=$this->mkActiveTime(0,0,1,$month,$day,$year);
		if (!$id) $id=$this->cssEvent;
		$this->calEvents[$eventTime]=$id;
		$this->calEventsUrl[$eventTime]=$url;
	}
	/*
	********************************************************************************
	PUBLIC setEventContent() -> sets a calendar event content,
	$content: can be a string or an array, $id: the HTML class (css layout)
	********************************************************************************
	*/
	/**
	 * set event content
	 *
	 * @param int $year
	 * @param int $month
	 * @param int $day
	 * @param string or array $content
	 * @param string $url
	 * @param string $id the HTML class
	 */
	function setEventContent($year, $month, $day, $content, $url=false, $id=false)
	{
		// event time
		$eventTime = $this->mkActiveTime(0, 0, 1, $month, $day, $year);

		// add to eventcontent array
		$eventContent[$eventTime] = $content;
		$this->calEventContent[] = $eventContent;

		// add specific id
		if (!$id) $id = $this->cssEventContent;
		$this->calEventContentId[] = $id;

		// add url
		if ($url) $this->calEventContentUrl[] = $url;
		else $this->calEventContentUrl[] = $this->calInit++;
	}
	/*
	********************************************************************************
	PUBLIC setMonthNames() -> sets the month names, $namesArray must be an array of 12 months starting with January
	********************************************************************************
	*/
	function setMonthNames($namesArray) {
		if (!is_array($namesArray) || count($namesArray)!=12) return false;
		else $this->monthNames=$namesArray;
	}
	/*
	********************************************************************************
	PUBLIC setDayNames() -> sets the week day names, $namesArray must be an array of 7 days starting with Sunday
	********************************************************************************
	*/
	function setDayNames($namesArray) {
		if (!is_array($namesArray) || count($namesArray)!=7) return false;
		else $this->dayNames=$namesArray;
	}
	/*
	********************************************************************************
	PUBLIC setFirstWeekDay() -> sets the first day of the week, currently only Sunday and Monday supported, $daynum=0 -> Sunday
	********************************************************************************
	*/
	function setFirstWeekDay($daynum) {
		if ($daynum==0) $this->startOnSun=true;
		else $this->startOnSun=false;
	}
	/*
	********************************************************************************
	PUBLIC showYear() -> returns the year's view as html table string
	Each private method returns a tr tag of the table as a string.
	You can change the calendar structure by simply calling these private methods in another order
	********************************************************************************
	*/
	function showYear($rowCount=false,$startMonth=false) {
		if ($rowCount) $this->rowCount=$rowCount;
		$this->monthNav=false; // disables month navigation in yearview
		$out=$this->mkYearHead(); // this should remain first: opens table tag
		$out.=$this->mkYearTitle(); // tr tag: year title and navigation
		$out.=$this->mkDatePicker("yearonly"); // tr tag: year date picker (only year selection)
		$this->datePicker=false; // disables month date picker in yearview
		$out.=$this->mkYearBody($startMonth); // tr tag(s): year month (html tables)
		$out.=$this->mkYearFoot(); // this should remain last: closes table tag
		return $out;
	}
	/*
	********************************************************************************
	PUBLIC showMonth() -> returns the month's view as html table string
	Each private method returns a tr tag of the table as a string.
	You can change the calendar structure by simply calling these private methods in another order
	$showNoMonthDays = false: days, that do not belong to the current month, will not be displayed
	$showNoMonthDays = true: days, that do not belong to the current month, will be displayed
	(note: these 'noMonthDays' will not contain any events or eventcontents!)
	********************************************************************************
	*/
	function showMonth($showNoMonthDays=false) {
		$this->showNoMonthDays=$showNoMonthDays;
		$out=$this->mkMonthHead(); // this should remain first: opens table tag
		$out.=$this->mkMonthTitle(); // tr tag: month title and navigation
		$out.=$this->mkDatePicker(); // tr tag: month date picker (month and year selection)
		$out.=$this->mkWeekDays(); // tr tag: the weekday names
		if ($this->showNoMonthDays==false) $out.=$this->mkMonthBody(); // tr tags: the days of the month
		else $out.=$this->mkMonthBody(1); // tr tags: the days of the month
		$out.=$this->mkMonthFoot(); // this should remain last: closes table tag
		return $out;
	}
	/*
	----------------------
	@START PRIVATE METHODS
	----------------------
	*/
	/*
	********************************************************************************
	THE FOLLOWING METHODS AND VARIABLES ARE PRIVATE. PLEASE DO NOT CALL OR MODIFY THEM
	********************************************************************************
	*/
	var $version="1.2.0";
	var $releaseDate="23 Feb 2006";
	var $monthSpan=7;
	var $timezone=false;
	var $yearNav=false;
	var $monthNav=false;
	var $dayLinks=false;
	var $dayNewEventLinks=false;
	var $datePicker=false;
	var $url=false;
	var $urlNav=false;
	var $urlPicker=false;
	var $htmlNewEventLink=false;
	var $calEvents=false;
	var $calEventsUrl=false;
	var $eventUrl=false;
	var $javaScriptDay=false;
	var $monthNames=false;
	var $dayNames=false;
	var $calEventContent=[];
	var $calEventContentUrl=[];
	var $calEventContentId=[];
	var $calInit=0;
	var $weekNum=false;
	var $WeekUrl=false;
	var $javaScriptWeek=false;

	/*
	********************************************************************************
	PRIVATE mkYearHead() -> creates the year table tag
	********************************************************************************
	*/
	function mkYearHead() {
		return "<table class=\"".$this->cssYearTable."\">\n";
	}
	/*
	********************************************************************************
	PRIVATE mkYearTitle() -> creates the tile and navigation tr tag of the year table
	********************************************************************************
	*/
	function mkYearTitle() {
		if ($this->rowCount<1 || $this->rowCount>12) $this->rowCount=4;
		if (!$this->yearNav) {
			$out="<tr><td colspan=\"".$this->rowCount."\" class=\"".$this->cssYearTitle."\">";
			$out.=$this->actyear;
			$out.="</td></tr>\n";
		} else {
			$out="<tr><td colspan=\"".$this->rowCount."\" align=\"center\">";
			$out.="<table><tr><td class=\"".$this->cssYearNav."\">";
			$out.=$this->mkUrl($this->actyear-1);
			$out.=$this->yearNavBack."</a></td>";
			$out.="<td class=\"".$this->cssYearTitle."\">".$this->actyear."</td>";
			$out.="<td class=\"".$this->cssYearNav."\">";
			$out.=$this->mkUrl($this->actyear+1);
			$out.=$this->yearNavForw."</a></td></tr></table></td></tr>\n";
		}
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkYearBody() -> creates the tr tags of the year table
	********************************************************************************
	*/
	function mkYearBody($stmonth=false) {
		if (!$stmonth || $stmonth>12) $stmonth=1;
		$TrMaker = $this->rowCount;
		$curyear = $this->actyear;
		$out="<tr>\n";
		for ($x=1; $x<=12; $x++) {
			$this->activeCalendar($curyear,$stmonth,false,$this->GMTDiff);
			$out.="<td valign=\"top\">\n".$this->showMonth()."</td>\n";
			if ($x == $TrMaker && $x < 12) {
				$out.="</tr><tr>";
				$TrMaker = ($TrMaker+$this->rowCount);
			}
			if ($stmonth == 12) {
				$stmonth = 1;
				$curyear++;
			}
			else $stmonth++;
		}
		$out.="</tr>\n";
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkYearFoot() -> closes the year table tag
	********************************************************************************
	*/
	function mkYearFoot() {
		return "</table>\n";
	}
	/*
	********************************************************************************
	PRIVATE mkMonthHead() -> creates the month table tag
	********************************************************************************
	*/
	function mkMonthHead() {
		return "<table class=\"".$this->cssMonthTable."\">\n";
	}
	/*
	********************************************************************************
	PRIVATE mkMonthTitle() -> creates the tile and navigation tr tag of the month table
	********************************************************************************
	*/
	function mkMonthTitle() {
		if (!$this->monthNav) {
			$out="<tr><td class=\"".$this->cssMonthTitle."\" colspan=\"".$this->monthSpan."\">";
			$out.=$this->getMonthName().$this->monthYearDivider.$this->actyear;
			$out.="</td></tr>\n";
		} else {
			$out = "<tr><td class=\"".$this->cssMonthNav."\" colspan=\"2\" style=\"text-align:right;\">";
			if ($this->actmonth==1) { // january
				$out.=$this->mkUrl($this->actyear-1,"12");
			} else {
				$out.=$this->mkUrl($this->actyear,$this->actmonth-1);
			}
			$out .= $this->monthNavBack."</a></td>";
			$out .= "<td class=\"".$this->cssMonthTitle."\" colspan=\"".($this->monthSpan-4)."\">";
			$out .= $this->getMonthName().$this->monthYearDivider.$this->actyear."</td>";
			$out .= "<td class=\"".$this->cssMonthNav."\" colspan=\"2\" style=\"text-align:left;\">";
			if ($this->actmonth==12) { //december
				$out.=$this->mkUrl($this->actyear+1,"1");
			}
			else {
				$out.=$this->mkUrl($this->actyear,$this->actmonth+1);
			}
			$out.=$this->monthNavForw."</a></td></tr>\n";
		}
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkDatePicker() -> creates the tr tag for the date picker
	********************************************************************************
	*/
	function mkDatePicker($yearpicker=false) {
		if ($this->datePicker && !empty($this->urlPicker)) {
			if ($yearpicker) $pickerSpan=$this->rowCount;
			else $pickerSpan=$this->monthSpan;
			$out="<tr><td class=\"".$this->cssPicker."\" colspan=\"".$pickerSpan."\">\n";
			$out.="<form name=\"".$this->cssPickerForm."\" class=\"".$this->cssPickerForm."\" action=\"".$this->urlPicker."\" method=\"get\">\n";
			if (!$yearpicker) {
				$out.="<select name=\"".$this->monthID."\" class=\"".$this->cssPickerMonth."\">\n";
				for ($z=1;$z<=12;$z++) {
					if ($z==$this->actmonth) $out.="<option value=\"".$z."\" selected=\"selected\">".$this->getMonthName($z)."</option>\n";
					else $out.="<option value=\"".$z."\">".$this->getMonthName($z)."</option>\n";
				}
				$out.="</select>\n";
			}
			$out.="<select name=\"".$this->yearID."\" class=\"".$this->cssPickerYear."\">\n";
			for ($z=$this->startYear;$z<=$this->endYear;$z++) {
				if ($z==$this->actyear) $out.="<option value=\"".$z."\" selected=\"selected\">".$z."</option>\n";
				else $out.="<option value=\"".$z."\">".$z."</option>\n";
			}
			$out.="</select>\n";
			$out.="<input type=\"submit\" value=\"".$this->selBtn."\" class=\"".$this->cssPickerButton."\"></input>\n";
			$out.="</form>\n";
			$out.="</td></tr>\n";
		}
		else $out="";
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkWeekDays() -> creates the tr tag of the month table for the weekdays
	********************************************************************************
	*/
	function mkWeekDays() {
		if ($this->startOnSun) {
			$out='<tr class="daynamesRow">';
			if ($this->weekNum) $out.="<td class=\"".$this->cssWeekNumTitle."\">".$this->weekNumTitle."</td>";
			for ($x=0;$x<=6;$x++) $out.="<td class=\"".$this->cssWeekDay."\">".$this->getDayName($x)."</td>";
			$out.="</tr>\n";
		} else {
			$out='<tr class="daynamesRow">';
			if ($this->weekNum) $out.="<td class=\"".$this->cssWeekNumTitle."\">".$this->weekNumTitle."</td>";
			for ($x=1;$x<=6;$x++) $out.="<td class=\"".$this->cssWeekDay."\">".$this->getDayName($x)."</td>";
			$out.="<td class=\"".$this->cssWeekDay."\">".$this->getDayName(0)."</td>";
			$out.="</tr>\n";
			$this->firstday=$this->firstday-1;
			if ($this->firstday<0) $this->firstday=6;
		}
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkMonthBody() -> creates the tr tags of the month table
	********************************************************************************
	*/
	function mkMonthBody($showNoMonthDays=0) {
		if ($this->actmonth==1) {
			$pMonth=12;
			$pYear=$this->actyear-1;
		} else{
			$pMonth=$this->actmonth-1;
			$pYear=$this->actyear;
		}
		$out='<tr class="daysRow">';
		$cor=0;
		if ($this->startOnSun) {
			$cor=1;
		}
		if ($this->weekNum) {
			$out.="<td class=\"".$this->cssWeekNum."\">".$this->mkWeekNum(1+$cor)."</td>";
		}
		$monthday=0;
		$nmonthday=1;
		for ($x=0; $x<=6; $x++) {
			if ($x>=$this->firstday) {
				$monthday++;
				$out.=$this->mkDay($monthday);
			} else {
				if ($showNoMonthDays==0) {
					$out.="<td class=\"".$this->cssNoMonthDay."\"></td>";
				} else {
					$out.="<td class=\"".$this->cssNoMonthDay."\">".($this->getMonthDays($pMonth,$pYear)-($this->firstday-1)+$x)."</td>";
				}
			}
		}
		$out.="</tr>\n";
		$goon=$monthday+1;
		$stop=0;
		for ($x=0; $x<=6; $x++) {
			if ($goon>$this->maxdays) {
				break;
			}
			if ($stop==1) {
				break;
			}
			$out.='<tr class="daysRow">';
			if ($this->weekNum) $out.="<td class=\"".$this->cssWeekNum."\">".$this->mkWeekNum($goon+$cor)."</td>";
				for ($i=$goon; $i<=$goon+6; $i++) {
					if ($i>$this->maxdays) {
						if ($showNoMonthDays==0) {
							$out.="<td class=\"".$this->cssNoMonthDay."\"></td>";
						}
						else {
							$out.='<td class="'.$this->cssNoMonthDay.'"><div class="daynum">'.$nmonthday++.'</div></td>';
						}
						$stop=1;
					} else {
						$out.=$this->mkDay($i);
					}
				}
			$goon=$goon+7;
			$out.="</tr>\n";
		}
		$this->selectedday="-2";
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkDay() -> creates each td tag of the month body
	********************************************************************************
	*/
	function mkDay($var) {
		$eventContent = $this->mkEventContent($var);
		$linktext = $var;
		if ($this->dayLinks) {
			if ($eventContent) {
				if ($this->javaScriptDay) {
					$linktext="<a href=\"javascript:".$this->javaScriptDay."(".$this->actyear.",".$this->actmonth.",".$var.")\">".$var."</a>";
				} elseif (!empty($this->url)) {
					$dayurl= Route::_($this->url.(strpos($this->url,"?") === false ? '?' : '&').'id='.sprintf('%04d%02d%02d',$this->actyear,$this->actmonth,$var));
					$linktext="<a href=\"".$dayurl."\">".$var."</a>";
				}
			}
		}

		$htmlNewEventLink = '';
		if ($this->dayNewEventLinks) {
			$htmlNewEventLink = preg_replace('/{date}/', sprintf('%04d-%02d-%02d', $this->actyear, $this->actmonth, $var), $this->htmlNewEventLink);
		}

		if ($this->isEvent($var)) {
			if ($this->eventUrl) {
				$out="<td class=\"".$this->eventID."\"><div class=\"daynum\">".$htmlNewEventLink."<a href=\"".$this->eventUrl."\">".$var."</a></div>".$eventContent."</td>";
				$this->eventUrl=false;
			} else {
				$out="<td class=\"".$this->eventID."\"><div class=\"daynum\">".$htmlNewEventLink.$linktext.'</div>'.$eventContent."</td>";
			}
		} else {
			/* allow styling of multiple things like "today is Sunday" */
			$cssClass = array($this->cssMonthDay);
			if (($var == $this->selectedday) && ($this->actmonth == $this->selectedmonth) && ($this->actyear == $this->selectedyear)) {
				$cssClass[] = $this->cssSelecDay;
			}
			if (($var == $this->daytoday) && ($this->actmonth == $this->monthtoday) && ($this->actyear == $this->yeartoday)) {
				$cssClass[] = $this->cssToday;
			}
			if (($this->getWeekday($var) == 0) && $this->crSunClass) {
				$cssClass[] = $this->cssSunday;
			}
			if (($this->getWeekday($var) == 6) && $this->crSatClass) {
				$cssClass[] = $this->cssSaturday;
			}
			$out = "<td class=\"".implode(' ', $cssClass)."\"><div class=\"daynum\" jem-monthname=\"".$this->getMonthName()."\" jem-dayname=\"".$this->getDayName($this->getWeekday($var))."\">".$htmlNewEventLink.$linktext.'</div>'.$eventContent."</td>";
		}

		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkMonthFoot() -> closes the month table
	********************************************************************************
	*/
	function mkMonthFoot() {
		return "</table>\n";
	}
	/*
	********************************************************************************
	PRIVATE mkUrl() -> creates the day and navigation link structure
	********************************************************************************
	*/
	function mkUrl($year, $month=false, $day=false) {
		if (strpos($this->url,"?") === false) {
			$glue="?";
		} else {
			$glue="&amp;";
		}
		if (strpos($this->urlNav,"?") === false) {
			$glueNav="?";
		} else {
			$glueNav="&amp;";
		}
		$yearNavLink  = empty($this->urlNav) ? '' : "<a href=\"".Route::_($this->urlNav.$glueNav.$this->yearID."=".$year)."\" rel=\"noindex, nofollow\">";
		$monthNavLink = empty($this->urlNav) ? '' : "<a href=\"".Route::_($this->urlNav.$glueNav.$this->yearID."=".$year."&amp;".$this->monthID."=".$month)."\" rel=\"noindex, nofollow\">";
		$dayLink      = empty($this->url)  ? $day : "<a href=\"".Route::_($this->url.$glue.$this->yearID."=".$year."&amp;".$this->monthID."=".$month."&amp;".$this->dayID."=".$day)."\">".$day."</a>";
		if ($year &&  $month &&  $day) return $dayLink;
		if ($year && !$month && !$day) return $yearNavLink;
		if ($year &&  $month && !$day) return $monthNavLink;
	}
	/*
	********************************************************************************
	PRIVATE mkEventContent() -> creates the table for the event content
	********************************************************************************
	*/
	/* see below
	function mkEventContent_old($var)
	{
		$hasContent=$this->hasEventContent($var);
		$out="";
		if ($hasContent) {
			for ($x=0;$x<count($hasContent);$x++) {
				foreach($hasContent[$x] as $eventContentid => $eventContentData) {
					foreach($eventContentData as $eventContentUrl => $eventContent) {
						$out.="<table class=\"".$eventContentid."\">";
						if (is_string($eventContent)) {
							if (is_int($eventContentUrl)) {
								$out.="<tr><td>".$eventContent."</td></tr></table>";
							} else {
								$out.="<tr><td><a href=\"".$eventContentUrl."\">".$eventContent."</a></td></tr></table>";
							}
						} else if (is_array($eventContent)) {
							foreach($eventContent as $arrayContent) {
								if (is_int($eventContentUrl)) {
									$out.="<tr><td>".$arrayContent."</td></tr>";
								} else {
									$out.="<tr><td><a href=\"".$eventContentUrl."\">".$arrayContent."</a></td></tr>";
								}
							}
							$out.="</table>";
						}
						else $out="";
					}
				}
			}
		}
		return $out;
	}
	*/

	/**
	 * creates the div for the event content
	 *
	 * @param int $var the day
	 * @return string
	 */
	function mkEventContent($var) {
		$hasContent=$this->hasEventContent($var);
		$out="";
		if ($hasContent) {
			$n = is_array($hasContent) ? count($hasContent) : 0;
			for ($x = 0; $x < $n; $x++) {
				foreach ($hasContent[$x] as $eventContentid => $eventContentData) {
					foreach ($eventContentData as $eventContentUrl => $eventContent) {
						if (is_string($eventContent)) {
							$eventContent = array($eventContent);
						}

						foreach($eventContent as $arrayContent) {
							$out .= '<div class="'.$eventContentid.'">';
							if (is_int($eventContentUrl)) {
								$out.= $arrayContent;
							} else {
								$out.='<a href="'.$eventContentUrl.'">'.$arrayContent.'</a>';
							}
							$out.='</div>';
						}
					}
				}
			}
		}
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE mkWeekNum() -> returns the week number and optionally creates a link
	********************************************************************************
	*/
	function mkWeekNum($var) {
		$year=$this->actyear;
		$week=$this->getWeekNum($var);
		if ($week>50 && $this->actmonth==1) $year=$this->actyear-1;
		$out="";
		if ($this->weekUrl) {
			if (strpos($this->weekUrl,"?") === false) $glue="?";
			else $glue="&amp;";
			$out.="<a href=\"".$this->weekUrl.$glue.$this->yearID."=".$year."&amp;".$this->weekID."=".$week."\">".$week."</a>";
		}
		elseif ($this->javaScriptWeek) $out.="<a href=\"javascript:".$this->javaScriptWeek."(".$year.",".$week.")\">".$week."</a>";
		else $out.=$week;
		return $out;
	}
	/*
	********************************************************************************
	PRIVATE getMonthName() -> returns the month's name, according to the configuration
	********************************************************************************
	*/
	function getMonthName($var=false) {
		if (!$var) $var=@$this->actmonth;
		if ($this->monthNames) return $this->monthNames[$var-1];
		switch($var) {
			case 1: return Text::_($this->jan);
			case 2: return Text::_($this->feb);
			case 3: return Text::_($this->mar);
			case 4: return Text::_($this->apr);
			case 5: return Text::_($this->may);
			case 6: return Text::_($this->jun);
			case 7: return Text::_($this->jul);
			case 8: return Text::_($this->aug);
			case 9: return Text::_($this->sep);
			case 10: return Text::_($this->oct);
			case 11: return Text::_($this->nov);
			case 12: return Text::_($this->dec);
		}
	}
	/*
	********************************************************************************
	PRIVATE getDayName() -> returns the day's name, according to the configuration
	********************************************************************************
	*/
	function getDayName($var=false) {
		if ($this->dayNames) return $this->dayNames[$var];
		switch($var) {
			case 0: return Text::_($this->sun);
			case 1: return Text::_($this->mon);
			case 2: return Text::_($this->tue);
			case 3: return Text::_($this->wed);
			case 4: return Text::_($this->thu);
			case 5: return Text::_($this->fri);
			case 6: return Text::_($this->sat);
		}
	}
	/*
	********************************************************************************
	PRIVATE getMonthDays() -> returns the number of days of the month specified
	********************************************************************************
	*/
	function getMonthDays($month,$year) {
		$has31days=checkdate($month,31,$year);
		$isSchalt=checkdate(2,29,$year);
		if ($isSchalt==1 && $month==2) $maxdays=29;
		elseif ($isSchalt!=1 && $month==2) $maxdays=28;
		elseif ($has31days==1) $maxdays=31;
		else $maxdays=30;
		return $maxdays;
	}
	/*
	********************************************************************************
	PRIVATE getWeekday() -> returns the weekday's number, 0 = Sunday ... 6 = Saturday
	********************************************************************************
	*/
	function getWeekday($var) {
		return $this->mkActiveDate("w", $this->mkActiveTime(0,0,1,$this->actmonth,$var,$this->actyear));
	}
	/*
	********************************************************************************
	PRIVATE getWeekNum() -> returns the week number, php version > 4.1.0, unsupported by the ADOdb Date Library
	********************************************************************************
	*/
	function getWeekNum($var) {
		return date("W", $this->mkActiveTime(0,0,1,$this->actmonth,$var,$this->actyear))+0;
	}
	/*
	********************************************************************************
	PRIVATE isEvent() -> checks if a date was set as an event and creates the eventID (css layout) and eventUrl
	********************************************************************************
	*/
	function isEvent($var) {
		if ($this->calEvents) {
			$checkTime=$this->mkActiveTime(0,0,1,$this->actmonth,$var,$this->actyear);
			$selectedTime=$this->mkActiveTime(0,0,1,$this->selectedmonth,$this->selectedday,$this->selectedyear);
			$todayTime=$this->mkActiveTime(0,0,1,$this->monthtoday,$this->daytoday,$this->yeartoday);
			foreach($this->calEvents as $eventTime => $eventID) {
				if ($eventTime==$checkTime) {
					if ($eventTime==$selectedTime) $this->eventID=$this->cssPrefixSelecEvent.$eventID;
					elseif ($eventTime==$todayTime) $this->eventID=$this->cssPrefixTodayEvent.$eventID;
					else $this->eventID=$eventID;
					if ($this->calEventsUrl[$eventTime]) $this->eventUrl=$this->calEventsUrl[$eventTime];
					return true;
				}
			}
			return false;
		}
	}
	/*
	********************************************************************************
	PRIVATE hasEventContent() -> checks if an event content was set
	********************************************************************************
	*/
	/**
	 * checks if an event content was set for the day
	 *
	 * @param int $var day of the month
	 * @return array
	 */
	function hasEventContent($var) {
		$hasContent = [];
		if ($this->calEventContent) {
			$checkTime = $this->mkActiveTime(0, 0, 1, $this->actmonth, $var, $this->actyear);
			$n = is_array($this->calEventContent) ? count($this->calEventContent) : 0;
			for ($x = 0; $x < $n; $x++) {
				$eventContent = $this->calEventContent[$x];
				$eventContentUrl = $this->calEventContentUrl[$x];
				$eventContentId = $this->calEventContentId[$x];
				foreach ($eventContent as $eventTime => $eventContent) {
					if ($eventTime == $checkTime) $hasContent[][$eventContentId][$eventContentUrl] = $eventContent;
				}
			}
		}
		return $hasContent;
	}
	/*
	********************************************************************************
	PRIVATE mkActiveDate() -> checks if ADOdb Date Library is loaded and calls the date function
	********************************************************************************
	*/
	function mkActiveDate($param,$acttime=false) {
		if (!$acttime) $acttime=$this->timetoday;
		if (function_exists("adodb_date")) return adodb_date($param,$acttime);
		else return date($param,$acttime);
	}
	/*
	********************************************************************************
	PRIVATE mkActiveGMDate() -> checks if ADOdb Date Library is loaded and calls the gmdate function
	********************************************************************************
	*/
	function mkActiveGMDate($param,$acttime=false) {
		if (!$acttime) $acttime=time();
		if (function_exists("adodb_gmdate")) return adodb_gmdate($param,$acttime);
		else return gmdate($param,$acttime);
	}
	/*
	********************************************************************************
	PRIVATE mkActiveTime() -> checks if ADOdb Date Library is loaded and calls the mktime function
	********************************************************************************
	*/
	/**
	 * checks if ADOdb Date Library is loaded and calls the mktime function
	 *
	 * @param int $hr
	 * @param int $min
	 * @param int $sec
	 * @param int $month [optional]
	 * @param int $day [optional]
	 * @param int $year [optional]
	 * @return int
	 */
	function mkActiveTime($hr,$min,$sec,$month=false,$day=false,$year=false) {
		if (function_exists("adodb_mktime")) return adodb_mktime($hr,$min,$sec,$month,$day,$year);
		else return mktime($hr,$min,$sec,$month,$day,$year);
	}
}
?>