421 lines
13 KiB
PHP
421 lines
13 KiB
PHP
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<?php
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/**
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* @version $Id: calendarClass.php 1812 2013-01-14 18:45:06Z lefteris.kavadas $
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* @package K2
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* @author JoomlaWorks http://www.joomlaworks.net
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* @copyright Copyright (c) 2006 - 2013 JoomlaWorks Ltd. All rights reserved.
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* @license GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
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*/
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// no direct access
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defined('_JEXEC') or die;
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// PHP Calendar Class Version 1.4 (5th March 2001)
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//
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// Copyright David Wilkinson 2000 - 2001. All Rights reserved.
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//
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// This software may be used, modified and distributed freely
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// providing this copyright notice remains intact at the head
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// of the file.
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//
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// This software is freeware. The author accepts no liability for
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// any loss or damages whatsoever incurred directly or indirectly
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// from the use of this script. The author of this software makes
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// no claims as to its fitness for any purpose whatsoever. If you
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// wish to use this software you should first satisfy yourself that
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// it meets your requirements.
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//
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// URL: http://www.cascade.org.uk/software/php/calendar/
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// Email: davidw@cascade.org.uk
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class Calendar
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{
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/*
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Constructor for the Calendar class
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*/
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function Calendar()
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{
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}
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/*
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Get the array of strings used to label the days of the week. This array contains seven
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elements, one for each day of the week. The first entry in this array represents Sunday.
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*/
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function getDayNames()
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{
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return $this->dayNames;
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}
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/*
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Set the array of strings used to label the days of the week. This array must contain seven
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elements, one for each day of the week. The first entry in this array represents Sunday.
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*/
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function setDayNames($names)
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{
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$this->dayNames = $names;
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}
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/*
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Get the array of strings used to label the months of the year. This array contains twelve
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elements, one for each month of the year. The first entry in this array represents January.
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*/
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function getMonthNames()
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{
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return $this->monthNames;
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}
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/*
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Set the array of strings used to label the months of the year. This array must contain twelve
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elements, one for each month of the year. The first entry in this array represents January.
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*/
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function setMonthNames($names)
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{
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$this->monthNames = $names;
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}
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/*
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Gets the start day of the week. This is the day that appears in the first column
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of the calendar. Sunday = 0.
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*/
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function getStartDay()
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{
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return $this->startDay;
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}
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/*
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Sets the start day of the week. This is the day that appears in the first column
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of the calendar. Sunday = 0.
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*/
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function setStartDay($day)
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{
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$this->startDay = $day;
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}
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/*
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Gets the start month of the year. This is the month that appears first in the year
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view. January = 1.
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*/
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function getStartMonth()
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{
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return $this->startMonth;
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}
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/*
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Sets the start month of the year. This is the month that appears first in the year
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view. January = 1.
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*/
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function setStartMonth($month)
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{
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$this->startMonth = $month;
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}
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/*
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Return the URL to link to in order to display a calendar for a given month/year.
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You must override this method if you want to activate the "forward" and "back"
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feature of the calendar.
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Note: If you return an empty string from this function, no navigation link will
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be displayed. This is the default behaviour.
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If the calendar is being displayed in "year" view, $month will be set to zero.
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*/
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function getCalendarLink($month, $year)
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{
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return "";
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}
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/*
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Return the URL to link to for a given date.
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You must override this method if you want to activate the date linking
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feature of the calendar.
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Note: If you return an empty string from this function, no navigation link will
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be displayed. This is the default behaviour.
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*/
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function getDateLink($day, $month, $year)
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{
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return "";
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}
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/*
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Return the HTML for the current month
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*/
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function getCurrentMonthView()
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{
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$d = getdate(time());
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return $this->getMonthView($d["mon"], $d["year"]);
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}
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/*
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Return the HTML for the current year
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*/
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function getCurrentYearView()
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{
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$d = getdate(time());
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return $this->getYearView($d["year"]);
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}
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/*
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Return the HTML for a specified month
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*/
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function getMonthView($month, $year)
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{
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return $this->getMonthHTML($month, $year);
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}
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/*
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Return the HTML for a specified year
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*/
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function getYearView($year)
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{
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return $this->getYearHTML($year);
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}
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/********************************************************************************
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The rest are private methods. No user-servicable parts inside.
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You shouldn't need to call any of these functions directly.
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*********************************************************************************/
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/*
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Calculate the number of days in a month, taking into account leap years.
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*/
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function getDaysInMonth($month, $year)
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{
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if ($month < 1 || $month > 12)
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{
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return 0;
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}
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$d = $this->daysInMonth[$month - 1];
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if ($month == 2)
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{
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// Check for leap year
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// Forget the 4000 rule, I doubt I'll be around then...
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if ($year%4 == 0)
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{
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if ($year%100 == 0)
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{
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if ($year%400 == 0)
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{
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$d = 29;
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}
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}
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else
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{
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$d = 29;
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}
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}
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}
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return $d;
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}
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/*
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Generate the HTML for a given month
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*/
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function getMonthHTML($m, $y, $showYear = 1)
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{
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$s = "";
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$a = $this->adjustDate($m, $y);
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$month = $a[0];
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$year = $a[1];
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$daysInMonth = $this->getDaysInMonth($month, $year);
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$date = getdate(mktime(12, 0, 0, $month, 1, $year));
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$first = $date["wday"];
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$monthName = $this->monthNames[$month - 1];
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$prev = $this->adjustDate($month - 1, $year);
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$next = $this->adjustDate($month + 1, $year);
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if ($showYear == 1)
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{
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$prevMonth = $this->getCalendarLink($prev[0], $prev[1]);
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$nextMonth = $this->getCalendarLink($next[0], $next[1]);
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}
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else
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{
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$prevMonth = "";
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$nextMonth = "";
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}
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$header = $monthName . (($showYear > 0) ? " " . $year : "");
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$s .= "<table class=\"calendar\">\n";
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$s .= "<tr>\n";
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$s .= "<td class=\"calendarNavMonthPrev\">" . (($prevMonth == "") ? " " : "<a class=\"calendarNavLink\" href=\"$prevMonth\">«</a>") . "</td>\n";
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$s .= "<td class=\"calendarCurrentMonth\" colspan=\"5\">$header</td>\n";
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$s .= "<td class=\"calendarNavMonthNext\">" . (($nextMonth == "") ? " " : "<a class=\"calendarNavLink\" href=\"$nextMonth\">»</a>") . "</td>\n";
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$s .= "</tr>\n";
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$s .= "<tr>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+1)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+2)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+3)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+4)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+5)%7] . "</td>\n";
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$s .= "<td class=\"calendarDayName\" style=\"width:".round(100/7)."%\">" . $this->dayNames[($this->startDay+6)%7] . "</td>\n";
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$s .= "</tr>\n";
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// We need to work out what date to start at so that the first appears in the correct column
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$d = $this->startDay + 1 - $first;
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while ($d > 1)
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{
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$d -= 7;
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}
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// Make sure we know when today is, so that we can use a different CSS style
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$today = getdate(time());
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while ($d <= $daysInMonth)
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{
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$s .= "<tr>\n";
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for ($i = 0; $i < 7; $i++)
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{
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$class = ($year == $today["year"] && $month == $today["mon"] && $d == $today["mday"]) ? "calendarToday" : "calendarDate";
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if ($d > 0 && $d <= $daysInMonth){
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$link = $this->getDateLink($d, $month, $year);
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if($link == ""){
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$s .= "<td class=\"{$class}\">$d</td>\n";
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} else {
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$s .= "<td class=\"{$class}Linked\"><a href=\"$link\">$d</a></td>\n";
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}
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} else {
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$s .= "<td class=\"calendarDateEmpty\"> </td>\n";
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}
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$d++;
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}
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$s .= "</tr>\n";
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}
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$s .= "</table>\n";
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return $s;
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}
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/*
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Generate the HTML for a given year
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*/
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function getYearHTML($year)
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{
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$s = "";
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$prev = $this->getCalendarLink(0, $year - 1);
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$next = $this->getCalendarLink(0, $year + 1);
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$s .= "<table class=\"calendar\" border=\"0\">\n";
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$s .= "<tr>";
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$s .= "<td class=\"calendarNavMonthPrev\">" . (($prev == "") ? " " : "<a class=\"calendarNavLink\" href=\"$prev\">«</a>") . "</td>\n";
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$s .= "<td class=\"calendarCurrentMonth\">" . (($this->startMonth > 1) ? $year . " - " . ($year + 1) : $year) ."</td>\n";
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$s .= "<td class=\"calendarNavMonthNext\">" . (($next == "") ? " " : "<a class=\"calendarNavLink\" href=\"$next\">»</a>") . "</td>\n";
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$s .= "</tr>\n";
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$s .= "<tr>";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(0 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(1 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(2 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "</tr>\n";
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$s .= "<tr>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(3 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(4 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(5 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "</tr>\n";
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$s .= "<tr>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(6 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(7 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(8 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "</tr>\n";
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$s .= "<tr>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(9 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(10 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "<td class=\"calendarMonth\">" . $this->getMonthHTML(11 + $this->startMonth, $year, 0) ."</td>\n";
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$s .= "</tr>\n";
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$s .= "</table>\n";
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return $s;
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}
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/*
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Adjust dates to allow months > 12 and < 0. Just adjust the years appropriately.
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e.g. Month 14 of the year 2001 is actually month 2 of year 2002.
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*/
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function adjustDate($month, $year)
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{
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$a = array();
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$a[0] = $month;
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$a[1] = $year;
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while ($a[0] > 12)
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{
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$a[0] -= 12;
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$a[1]++;
|
||
|
|
}
|
||
|
|
|
||
|
|
while ($a[0] <= 0)
|
||
|
|
{
|
||
|
|
$a[0] += 12;
|
||
|
|
$a[1]--;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $a;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
The start day of the week. This is the day that appears in the first column
|
||
|
|
of the calendar. Sunday = 0.
|
||
|
|
*/
|
||
|
|
var $startDay = 0;
|
||
|
|
|
||
|
|
/*
|
||
|
|
The start month of the year. This is the month that appears in the first slot
|
||
|
|
of the calendar in the year view. January = 1.
|
||
|
|
*/
|
||
|
|
var $startMonth = 1;
|
||
|
|
|
||
|
|
/*
|
||
|
|
The labels to display for the days of the week. The first entry in this array
|
||
|
|
represents Sunday.
|
||
|
|
*/
|
||
|
|
var $dayNames = array("S", "M", "T", "W", "T", "F", "S");
|
||
|
|
|
||
|
|
/*
|
||
|
|
The labels to display for the months of the year. The first entry in this array
|
||
|
|
represents January.
|
||
|
|
*/
|
||
|
|
var $monthNames = array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
|
||
|
|
|
||
|
|
/*
|
||
|
|
The number of days in each month. You're unlikely to want to change this...
|
||
|
|
The first entry in this array represents January.
|
||
|
|
*/
|
||
|
|
var $daysInMonth = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|