Calendar Class

gistfile1.txt

<?php

class Mf_calendar{
	
	private $post_type = "post";
	private $prefix;
	private $posts = array();
	private $month;
	private $year;
	private $first_day;
	private $month_length;
	private $previous_month_length;
	private $prev_month_remain;
	private $last_day;
	

public function debug($var){
	return $this->$var;
}

function __construct($post_type = 'post', $month = false, $year = false){
	global $wpdb;
	$pf = $wpdb->prefix;
	$this->set_posttype($post_type);
	$this->month = ($month ? $month : date('n'));
	$this->year = ($year ? $year : date('Y'));
	$this->month_length = cal_days_in_month(CAL_GREGORIAN, $this->month, $this->year);
	$this->previous_month_length = cal_days_in_month(CAL_GREGORIAN, ($this->month-1 == 0 ? 12 : $this->month-1), ($this->month-1 == 0 ? $this->year-1:$this->year));
	$this->first_day = date('N',mktime(0,0,0,$this->month,1,$this->year));
	$this->last_day = date('N',mktime(0,0,0,$this->month,$this->month_length,$this->year));
	
	$this->prev_month_remain = ($this->previous_month_length-$this->first_day)+1;
}

private function set_posttype($post_type){
	$this->post_type = $post_type;
	$this->set_posts();
}

private function set_posts(){
	//create array with post ID's and dates.
	global $wpdb;
	$pf = $wpdb->prefix;
	$this->posts = $wpdb->get_results("SELECT ID, post_date FROM ".$pf."posts WHERE post_type='$this->post_type'");
	
}

private function lead_in(){
	$calendar = array();
	
	
	for($r=1;$r<=($this->first_day);$r++){
		$row[] = ($this->prev_month_remain+$r);
	}
	return $row;
	
}

private function lead_out(){
	$calendar = array();
	

	for($r=1; $r<=7-$this->last_day;$r++){
		$row[] = $r;
	}
	return $row;
	
}

private function calendar_array(){
	$calendar = $this->lead_in();
	for($d=1;$d<=$this->month_length;$d++){
		
		$a['day'] = $d;
		$a['has_post'] = $this->compare_dates($d,$this->month,$this->year);
		$calendar[] = $a;
	}
	$out = $this->lead_out();
	
	if(!$out) return $calendar;
	foreach($out as $d){
		$calendar[] = $d;
		
	}
	return $calendar;
}

private function compare_dates($day, $month, $year){
	$date = date("Y-m-d",mktime(0,0,0,$month,$day,$year));
	
	foreach($this->posts as $v){
		$dt = explode(" ",$v->post_date);
		$post_date = $dt[0];
		
		if($date == $post_date){
			return true;
		} 
		
	}

}

public function create_calendar_html(){
	$cal = $this->calendar_array();
	$day = 0;
	fb::log($cal,"day");
	$echo = "<table>";
		foreach($cal as $d){
		
		$echo .= ($day == 0 ? "<tr>":"");//table row starts
		$echo .= "<td class='".(is_array($d) ? "active_month" : "inactive_month")."'>";
		
		$echo .= ($d['has_post'] ? "<a href='".$this->create_search_link($d)."'>" : "");
		$echo .= (!is_array($d) ? $d : $d['day']);
		$echo .= ($d['has_post'] ? "</a>":"");
		
		$echo .= "</td>";		
		$echo .= ($day == 6 ? "</tr>" : "");//table row starts
		$day = ($day == 6 ? 0 : $day+1);//Week loop
	}
	$echo .= "</table>";
	return $echo;
}

private function create_search_link($day){
	//function for returning search links according to search method.
	return "#";
}

}
$calendar = new Mf_calendar('page');
//echo $calendar->create_calendar_html();

?>