freenetis-github/system/libraries/Calendar.php @ b79f77ca
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Calendar creation library.
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*
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* $Id: Calendar.php 1911 2008-02-04 16:13:16Z PugFish $
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*
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* @package Calendar
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Calendar {
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// Month and year to use for calendaring
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protected $month;
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protected $year;
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// Start the calendar on Sunday by default
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public $week_start = 0;
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// Event data
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public $events;
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/**
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* Create a new Calendar instance. A month and year can be specified.
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* By default, the current month and year are used.
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*
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* @param integer month number
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* @param integer year number
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* @return void
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*/
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public function __construct($month = NULL, $year = NULL, $start_monday = NULL)
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{
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empty($month) and $month = date('n'); // Current month
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empty($year) and $year = date('Y'); // Current year
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// Set the month and year
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$this->month = (int) $month;
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$this->year = (int) $year;
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// Some locales start the week on Monday, not Sunday.
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($start_monday === TRUE) and $this->week_start = 1;
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}
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public function events()
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{
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if (func_num_args() === 0)
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return;
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$this->events = func_get_args();
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}
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/**
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* Returns an array for use with a view. The array contains an array for
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* each week. Each week contains 7 arrays, with a day number and status:
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* TRUE if the day is in the month, FALSE if it is padding.
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*
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* @return array
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*/
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public function weeks()
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{
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// First day of the month as a timestamp
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$first = mktime(1, 0, 0, $this->month, 1, $this->year);
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// Total number of days in this month
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$total = (int) date('t', $first);
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// Last day of the month as a timestamp
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$last = mktime(1, 0, 0, $this->month, $total, $this->year);
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// Make the month and week empty arrays
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$month = $week = array();
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// Number of days added. When this reaches 7, start a new month
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$days = 0;
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if (($w = (int) date('w', $first)) > $this->week_start)
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{
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// Number of days in the previous month
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$n = (int) date('t', mktime(1, 0, $this->month - 1, 1, $this->year));
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// i = number of day, t = number of days to pad
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for($i = $n - $w, $t = $w - $this->week_start; $t > 0; $t--, $i++)
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{
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// Add previous month padding days
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$week[] = array($i, FALSE);
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$days++;
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}
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}
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// i = number of day
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for ($i = 1; $i <= $total; $i++)
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{
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if ($days % 7 === 0)
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{
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// Start a new week
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$month[] = $week;
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$week = array();
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}
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// Add days to this month
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$week[] = array($i, TRUE);
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$days++;
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}
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if (($w = (int) date('w', $last) - $this->week_start) < 6 )
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{
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// i = number of day, t = number of days to pad
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for ($i = 1, $t = 6 - $w; $t > 0; $t--, $i++)
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{
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// Add next month padding days
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$week[] = array($i, FALSE);
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}
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$month[] = $week;
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}
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return $month;
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}
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/**
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* Convert the calendar to HTML using the kohana_calendar view.
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*
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* @return string
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*/
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public function render()
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{
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$view = new View('kohana_calendar', array
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(
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'month' => $this->month,
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'year' => $this->year,
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'weeks' => $this->weeks(),
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'events' => $this->events,
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));
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return $view->render();
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}
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/**
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* Magically convert this object to a string, the rendered calendar.
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->render();
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}
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} // End Calendar
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