Calendar.inc.php | searchcode

/inc/classes/Calendar.inc.php

https://bitbucket.org/linards/dzeerveniite
PHP | 384 lines | 277 code | 56 blank | 51 comment | 76 complexity | ac6fd03a416a2dfe378afb4adb97496a MD5 | raw file
Possible License(s): LGPL-2.1, MPL-2.0-no-copyleft-exception, GPL-2.0

<?php

/**

* Calendar Generation Class

*

* This class provides a simple reuasable means to produce month calendars in valid html

*

* @version 2.8

* @author Jim Mayes <jim.mayes@gmail.com>

* @link http://style-vs-substance.com

* @copyright Copyright (c) 2008, Jim Mayes

* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt GPL v2.0

*/



class Calendar{

	var $date;

	var $year;

	var $month;

	var $day;

	

	var $week_start_on = FALSE;

	var $week_start = 7;// sunday

	

	var $my_link_mode = 1; // normāli

	

	var $link_days = TRUE;

	var $link_to;

	var $formatted_link_to;

	

	var $mark_today = TRUE;

	var $today_date_class = 'today';

	

	var $mark_selected = TRUE;

	var $selected_date_class = 'selected';

	

	var $mark_passed = TRUE;

	var $passed_date_class = 'passed';

	

	var $highlighted_dates;

	var $titles;

	var $default_highlighted_class = 'highlighted';

	

	var $days = array("Sv.","P.","O.","T.","C.","P.","S.");

	var $days_long = array("svētdiena", "pirmdiena", "otrdiena", "trešdiena", "ceturtdiena", "piektdiena", "sestdiena");

	var $months = array("", "janvāris", "februāris", "marts", "aprīlis", "maijs", "jūnijs", "jūlijs", "augusts", "septembris", "oktobris", "novembris", "decembris");

	

	/* CONSTRUCTOR */

	function Calendar($date = NULL, $year = NULL, $month = NULL){

		$self = htmlspecialchars($_SERVER['PHP_SELF']);

		$this->link_to = $self;

		

		if( is_null($year) || is_null($month) ){

			if( !is_null($date) ){

				//-------- strtotime the submitted date to ensure correct format

				$this->date = date("Y-m-j", strtotime($date)); //var_dump($this->date);

			} else {

				//-------------------------- no date submitted, use today's date

				$this->date = date("Y-m-j");

			}

			$this->set_date_parts_from_date($this->date);

		} else {

			$this->year		= $year;

			$this->month	= str_pad($month, 2, '0', STR_PAD_LEFT);

		}	

	}

	

	function set_date_parts_from_date($date){

		$this->year		= date("Y", strtotime($date));

		$this->month	= date("m", strtotime($date));

		$this->day		= date("d", strtotime($date));

		//settype($this->month, "integer"); settype($this->day, "integer");

	}

	

	function day_of_week($date){

		$day_of_week = date("N", $date);

		if( !is_numeric($day_of_week) ){

			$day_of_week = date("w", $date);

			if( $day_of_week == 0 ){

				$day_of_week = 7;

			}

		}

		return $day_of_week;

	}

	

	function output_calendar($year = NULL, $month = NULL, $calendar_class = 'calendar'){

		

		if( $this->week_start_on !== FALSE ){

			echo "The property week_start_on is replaced due to a bug present in version before 2.6. of this class! Use the property week_start instead!";

			exit;

		}

		

		//--------------------- override class methods if values passed directly

		$year = ( is_null($year) )? $this->year : $year;

		$prev_year = $year - 1;

		$next_year = $year + 1;

		$month = ( is_null($month) )? $this->month : str_pad($month, 2, '0', STR_PAD_LEFT);

	

		//------------------------------------------- create first date of month

		$month_start_date = strtotime($year . "-" . $month . "-01");

		$prev_month = $month_start_date - 86400;

		//------------------------- first day of month falls on what day of week

		$first_day_falls_on = $this->day_of_week($month_start_date);

		//----------------------------------------- find number of days in month

		$days_in_month = date("t", $month_start_date);

		//-------------------------------------------- create last date of month

		$month_end_date = strtotime($year . "-" . $month . "-" . $days_in_month);

		$next_month = $month_end_date + 86400;

		//----------------------- calc offset to find number of cells to prepend

		$start_week_offset = $first_day_falls_on - $this->week_start;

		$prepend = ( $start_week_offset < 0 )? 7 - abs($start_week_offset) : $first_day_falls_on - $this->week_start;

		//-------------------------- last day of month falls on what day of week

		$last_day_falls_on = $this->day_of_week($month_end_date);



		//------------------------------------------------- start table, caption

		$output  = "<table class=\"" . $calendar_class . "\">\n";

		$mon = strftime("%m", $month_start_date); settype($mon,"integer");

		$mon = $this->months[$mon];

		if(isset($_REQUEST["field"])) $add = "&field=".$_REQUEST["field"];

		else $add = "";

		if($this->my_link_mode == 1) $output .= "<caption><a target=\"_self\" href=\"$this->link_to?y=" . strftime("%Y", $prev_month) . "&amp;m=" . strftime("%m", $prev_month) . "$add\">&lt;</a> " . $mon . " <a target=\"_self\" href=\"$this->link_to?y=" . strftime("%Y", $next_month) . "&amp;m=" . strftime("%m", $next_month) . "$add\">&gt;</a> " . "<a target=\"_self\" href=\"$this->link_to?y=" . $prev_year . "&amp;m=" . $month . "$add\">&lt;</a> " . strftime("%Y", $month_start_date) . " <a target=\"_self\" href=\"$this->link_to?y=" . $next_year . "&amp;m=" . $month . "$add\">&gt;</a>" . " </caption>\n";

		else $output .= "<caption><a href=\"#\" onClick=\"change_cal(" . strftime("%Y", $prev_month) . "," . strftime("%m", $prev_month) . "); return false;\">&lt;</a> " . $mon . " <a href=\"#\" onClick=\"change_cal(" . strftime("%Y", $next_month) . "," . strftime("%m", $next_month) . "); return false;\">&gt;</a> " . "<a href=\"#\" onClick=\"change_cal(" . $prev_year . "," . $month . "); return false;\">&lt;</a> " . strftime("%Y", $month_start_date) . " <a href=\"#\" onClick=\"change_cal(" . $next_year . "," . $month . "); return false;\">&gt;</a>" . " </caption>\n";

		$col = '';

		$th = '';

		for( $i=1,$j=$this->week_start,$t=(3+$this->week_start)*86400; $i<=7; $i++,$j++,$t+=86400 ){

			$localized_day_name = gmstrftime('%w',$t);

			$col .= "<col class=\"" . strtolower($localized_day_name) ."\" />\n";

			$th .= "\t<th title=\"" . ucfirst($localized_day_name) ."\">" . ucfirst($this->days[$localized_day_name]) ."</th>\n";

			$j = ( $j == 7 )? 0 : $j;

		}

		

		//------------------------------------------------------- markup columns

		$output .= $col;

		

		//----------------------------------------------------------- table head

		$output .= "<thead>\n";

		$output .= "<tr>\n";

		

		$output .= $th;

		

		$output .= "</tr>\n";

		$output .= "</thead>\n";

		

		//---------------------------------------------------------- start tbody

		$output .= "<tbody>\n";

		$output .= "<tr>\n";

		

		//---------------------------------------------- initialize week counter

		$weeks = 1;

		

		//--------------------------------------------------- pad start of month

		

		//------------------------------------ adjust for week start on saturday

		$last_day_prev = date('d',$prev_month);

		for($i=1;$i<=$prepend;$i++){

		    $d = $last_day_prev - $prepend + $i;

		    $day_date = date('Y', $prev_month).'-'.date('m', $prev_month).'-'.$d;

			$y = strftime("%Y", strtotime($day_date)); $m = strftime("%m", strtotime($day_date)); $wd = strftime("%w", strtotime($day_date)); $d = strftime("%e", strtotime($day_date)); settype($m,"integer");

   			if( is_array($this->highlighted_dates) ){

   				if( in_array($day_date, $this->highlighted_dates) ){

   					$class = " ".$this->default_highlighted_class;

   					$title = "\n".$this->titles[$day_date];

   				}

   				else{ $class = ""; $title = ""; }

  			}

			else{ $class = ""; $title = ""; }

			$output .= "\t<td class=\"pad$class\" id=\"" . strftime("%Y-%m-%d", strtotime($day_date)) . "\" title=\"" . $this->days_long[$wd] . ", $y. gada $d. " . $this->months[$m] . $title . "\">";

			unset($title, $class);

			switch( $this->link_days ){

				case 0 :

					$output .= $d;

				break;

				

				case 1 :

					if( empty($this->formatted_link_to) ){

						$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">" . $d . "</a>";

					} else {

						$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">" . $d . "</a>";

					}

				break;

				case 2 :

					if( is_array($this->highlighted_dates) ){  //var_dump($day_date);

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">";

							} else {

								$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">";

							}

						}

					}

					

					$output .= $d;

					

					if( is_array($this->highlighted_dates) ){

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "</a>";

							} else {

								$output .= "</a>";

							}

						}

					}

				break;

		    }



			$output .= "</td>\n";

		}

		

		//--------------------------------------------------- loop days of month

		for($day=1,$cell=$prepend+1; $day<=$days_in_month; $day++,$cell++){

			$title = "";

			/*

			if this is first cell and not also the first day, end previous row

			*/

			if( $cell == 1 && $day != 1 ){

				$output .= "<tr>\n";

			}

			

			//-------------- zero pad day and create date string for comparisons

			//$day = str_pad($day, 2, '0', STR_PAD_LEFT);

			$day_date = $year . "-" . $month . "-" . $day;

			

			//-------------------------- compare day and add classes for matches

			if( $this->mark_today == TRUE && $day_date == date("Y-m-d") ){

				$classes[] = $this->today_date_class;

			}

			

			if( $this->mark_selected == TRUE && $day_date == $this->date ){

			    //echo $day_date;

				$classes[] = $this->selected_date_class;

			}

			

			if( $this->mark_passed == TRUE && $day_date < date("Y-m-d") ){

				$classes[] = $this->passed_date_class;

			}

			

			if( is_array($this->highlighted_dates) ){

				if( in_array($day_date, $this->highlighted_dates) ){

					$classes[] = $this->default_highlighted_class;

					$title = "\n".$this->titles[$day_date];

				}

			}

			

			//----------------- loop matching class conditions, format as string

			if( isset($classes) ){

				$day_class = ' class="';

				foreach( $classes AS $value ){

					$day_class .= $value . " ";

				}

				$day_class = substr($day_class, 0, -1) . '"';

			} else {

				$day_class = '';

			}

			

			//---------------------------------- start table cell, apply classes

			// detect windows os and substitute for unsupported day of month modifer

			$y = strftime("%Y", strtotime($day_date)); $m = strftime("%m", strtotime($day_date)); $wd = strftime("%w", strtotime($day_date)); $d = strftime("%e", strtotime($day_date)); settype($m,"integer");

			$title_format = (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN')? "%A, %B %#d, %Y": "%A, %B %e, %Y";

			//var_dump($day_date);

			//$output .= "\t<td" . $day_class . " title=\"" . ucwords(strftime($title_format, strtotime($day_date))) . "\">";

			$output .= "\t<td" . $day_class . " id=\"" . strftime("%Y-%m-%d", strtotime($day_date)) . "\" title=\"" . $this->days_long[$wd] . ", $y. gada $d. " . $this->months[$m] . $title . "\">";

			

			//----------------------------------------- unset to keep loop clean

			unset($day_class, $classes, $title);

			

			//-------------------------------------- conditional, start link tag 

			switch( $this->link_days ){

				case 0 :

					$output .= $day;

				break;

				

				case 1 :

					if( empty($this->formatted_link_to) ){

						$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">" . $day . "</a>";

					} else {

						$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">" . $day . "</a>";

					}

				break;

				

				case 2 :

					if( is_array($this->highlighted_dates) ){ //var_dump($day_date);

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">";

							} else {

								$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">";

							}

						}

					}

					

					$output .= $day;

					

					if( is_array($this->highlighted_dates) ){

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "</a>";

							} else {

								$output .= "</a>";

							}

						}

					}

				break;

			}

			

			//------------------------------------------------- close table cell

			$output .= "</td>\n";

			

			//------- if this is the last cell, end the row and reset cell count

			if( $cell == 7 ){

				$output .= "</tr>\n";

				$cell = 0;

			}

			

		}

		

		//----------------------------------------------------- pad end of month

		if( $cell > 1 ){

    		//$first_day_next = date('d',$prev_month);

			for($i=$cell;$i<=7;$i++){

 		        $d = 1 + $i - $cell;

		        $day_date = date('Y', $next_month).'-'.date('m', $next_month).'-'.$d;

    			$y = strftime("%Y", strtotime($day_date)); $m = strftime("%m", strtotime($day_date)); $wd = strftime("%w", strtotime($day_date)); $d = strftime("%e", strtotime($day_date)); settype($m,"integer");

    			if( is_array($this->highlighted_dates) ){

    				if( in_array($day_date, $this->highlighted_dates) ){

    					$class = " ".$this->default_highlighted_class;

    					$title = "\n".$this->titles[$day_date];

    				}

       				else{ $class = ""; $title = ""; }

      			}

    			else{ $class = ""; $title = ""; }

	    		$output .= "\t<td class=\"pad$class\" id=\"" . strftime("%Y-%m-%d", strtotime($day_date)) . "\" title=\"" . $this->days_long[$wd] . ", $y. gada $d. " . $this->months[$m] . $title. "\">";

    			unset($title, $class);

	    		switch( $this->link_days ){

	    			case 0 :

	    				$output .= $d;

	    			break;

	    			

	    			case 1 :

	    				if( empty($this->formatted_link_to) ){

	    					$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">" . $d . "</a>";

	    				} else {

	    					$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">" . $d . "</a>";

	    				}

	    			break;

				case 2 :

					if( is_array($this->highlighted_dates) ){  //var_dump($day_date);

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "<a href=\"" . $this->link_to . "?date=" . $day_date . "\">";

							} else {

								$output .= "<a href=\"" . strftime($this->formatted_link_to, strtotime($day_date)) . "\">";

							}

						}

					}

					

					$output .= $d;

					

					if( is_array($this->highlighted_dates) ){

						if( in_array($day_date, $this->highlighted_dates) ){

							if( empty($this->formatted_link_to) ){

								$output .= "</a>";

							} else {

								$output .= "</a>";

							}

						}

					}

				break;

	    	    }



			$output .= "</td>\n";

			//$output .= "\t<td class=\"pad\">&nbsp;</td>\n";

			}

			$output .= "</tr>\n";

		}

		

		//--------------------------------------------- close last row and table

		$output .= "</tbody>\n";

		$output .= "</table>\n";

		

		//--------------------------------------------------------------- return

		return $output;

		

	}

	

}

?>