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-rw-r--r--kohana/libraries/Calendar.php361
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+<?php defined('SYSPATH') or die('No direct script access.');
+/**
+ * Calendar creation library.
+ *
+ * $Id$
+ *
+ * @package Calendar
+ * @author Kohana Team
+ * @copyright (c) 2007-2008 Kohana Team
+ * @license http://kohanaphp.com/license.html
+ */
+class Calendar_Core extends Event_Subject {
+
+ // Start the calendar on Sunday by default
+ public static $start_monday = FALSE;
+
+ // Month and year to use for calendaring
+ protected $month;
+ protected $year;
+
+ // Week starts on Sunday
+ protected $week_start = 0;
+
+ // Observed data
+ protected $observed_data;
+
+ /**
+ * Returns an array of the names of the days, using the current locale.
+ *
+ * @param boolean return short names
+ * @return array
+ */
+ public static function days($short = FALSE)
+ {
+ // strftime day format
+ $format = ($short == TRUE) ? '%a' : '%A';
+
+ // Days of the week
+ $days = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
+
+ if (Calendar::$start_monday === TRUE)
+ {
+ // Push Sunday to the end of the days
+ array_push($days, array_shift($days));
+ }
+
+ if (strpos(Kohana::config('locale.language.0'), 'en') !== 0)
+ {
+ // This is a bit awkward, but it works properly and is reliable
+ foreach ($days as $i => $day)
+ {
+ // Convert the English names to i18n names
+ $days[$i] = strftime($format, strtotime($day));
+ }
+ }
+ elseif ($short == TRUE)
+ {
+ foreach ($days as $i => $day)
+ {
+ // Shorten the day names to 3 letters
+ $days[$i] = substr($day, 0, 3);
+ }
+ }
+
+ return $days;
+ }
+
+ /**
+ * Create a new Calendar instance. A month and year can be specified.
+ * By default, the current month and year are used.
+ *
+ * @param integer month number
+ * @param integer year number
+ * @return object
+ */
+ public static function factory($month = NULL, $year = NULL)
+ {
+ return new Calendar($month, $year);
+ }
+
+ /**
+ * Create a new Calendar instance. A month and year can be specified.
+ * By default, the current month and year are used.
+ *
+ * @param integer month number
+ * @param integer year number
+ * @return void
+ */
+ public function __construct($month = NULL, $year = NULL)
+ {
+ empty($month) and $month = date('n'); // Current month
+ empty($year) and $year = date('Y'); // Current year
+
+ // Set the month and year
+ $this->month = (int) $month;
+ $this->year = (int) $year;
+
+ if (Calendar::$start_monday === TRUE)
+ {
+ // Week starts on Monday
+ $this->week_start = 1;
+ }
+ }
+
+ /**
+ * Allows fetching the current month and year.
+ *
+ * @param string key to get
+ * @return mixed
+ */
+ public function __get($key)
+ {
+ if ($key === 'month' OR $key === 'year')
+ {
+ return $this->$key;
+ }
+ }
+
+ /**
+ * Calendar_Event factory method.
+ *
+ * @param string unique name for the event
+ * @return object Calendar_Event
+ */
+ public function event($name = NULL)
+ {
+ return new Calendar_Event($this);
+ }
+
+ /**
+ * Calendar_Event factory method.
+ *
+ * @chainable
+ * @param string standard event type
+ * @return object
+ */
+ public function standard($name)
+ {
+ switch ($name)
+ {
+ case 'today':
+ // Add an event for the current day
+ $this->attach($this->event()->condition('timestamp', strtotime('today'))->add_class('today'));
+ break;
+ case 'prev-next':
+ // Add an event for padding days
+ $this->attach($this->event()->condition('current', FALSE)->add_class('prev-next'));
+ break;
+ case 'holidays':
+ // Base event
+ $event = $this->event()->condition('current', TRUE)->add_class('holiday');
+
+ // Attach New Years
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 1)->condition('day', 1));
+
+ // Attach Valentine's Day
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 2)->condition('day', 14));
+
+ // Attach St. Patrick's Day
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 3)->condition('day', 17));
+
+ // Attach Easter
+ $holiday = clone $event;
+ $this->attach($holiday->condition('easter', TRUE));
+
+ // Attach Memorial Day
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 5)->condition('day_of_week', 1)->condition('last_occurrence', TRUE));
+
+ // Attach Independance Day
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 7)->condition('day', 4));
+
+ // Attach Labor Day
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 9)->condition('day_of_week', 1)->condition('occurrence', 1));
+
+ // Attach Halloween
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 10)->condition('day', 31));
+
+ // Attach Thanksgiving
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 11)->condition('day_of_week', 4)->condition('occurrence', 4));
+
+ // Attach Christmas
+ $holiday = clone $event;
+ $this->attach($holiday->condition('month', 12)->condition('day', 25));
+ break;
+ case 'weekends':
+ // Weekend events
+ $this->attach($this->event()->condition('weekend', TRUE)->add_class('weekend'));
+ break;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns an array for use with a view. The array contains an array for
+ * each week. Each week contains 7 arrays, with a day number and status:
+ * TRUE if the day is in the month, FALSE if it is padding.
+ *
+ * @return array
+ */
+ public function weeks()
+ {
+ // First day of the month as a timestamp
+ $first = mktime(1, 0, 0, $this->month, 1, $this->year);
+
+ // Total number of days in this month
+ $total = (int) date('t', $first);
+
+ // Last day of the month as a timestamp
+ $last = mktime(1, 0, 0, $this->month, $total, $this->year);
+
+ // Make the month and week empty arrays
+ $month = $week = array();
+
+ // Number of days added. When this reaches 7, start a new week
+ $days = 0;
+ $week_number = 1;
+
+ if (($w = (int) date('w', $first) - $this->week_start) < 0)
+ {
+ $w = 6;
+ }
+
+ if ($w > 0)
+ {
+ // Number of days in the previous month
+ $n = (int) date('t', mktime(1, 0, 0, $this->month - 1, 1, $this->year));
+
+ // i = number of day, t = number of days to pad
+ for ($i = $n - $w + 1, $t = $w; $t > 0; $t--, $i++)
+ {
+ // Notify the listeners
+ $this->notify(array($this->month - 1, $i, $this->year, $week_number, FALSE));
+
+ // Add previous month padding days
+ $week[] = array($i, FALSE, $this->observed_data);
+ $days++;
+ }
+ }
+
+ // i = number of day
+ for ($i = 1; $i <= $total; $i++)
+ {
+ if ($days % 7 === 0)
+ {
+ // Start a new week
+ $month[] = $week;
+ $week = array();
+
+ $week_number++;
+ }
+
+ // Notify the listeners
+ $this->notify(array($this->month, $i, $this->year, $week_number, TRUE));
+
+ // Add days to this month
+ $week[] = array($i, TRUE, $this->observed_data);
+ $days++;
+ }
+
+ if (($w = (int) date('w', $last) - $this->week_start) < 0)
+ {
+ $w = 6;
+ }
+
+ if ($w >= 0)
+ {
+ // i = number of day, t = number of days to pad
+ for ($i = 1, $t = 6 - $w; $t > 0; $t--, $i++)
+ {
+ // Notify the listeners
+ $this->notify(array($this->month + 1, $i, $this->year, $week_number, FALSE));
+
+ // Add next month padding days
+ $week[] = array($i, FALSE, $this->observed_data);
+ }
+ }
+
+ if ( ! empty($week))
+ {
+ // Append the remaining days
+ $month[] = $week;
+ }
+
+ return $month;
+ }
+
+ /**
+ * Adds new data from an observer. All event data contains and array of CSS
+ * classes and an array of output messages.
+ *
+ * @param array observer data.
+ * @return void
+ */
+ public function add_data(array $data)
+ {
+ // Add new classes
+ $this->observed_data['classes'] += $data['classes'];
+
+ if ( ! empty($data['output']))
+ {
+ // Only add output if it's not empty
+ $this->observed_data['output'][] = $data['output'];
+ }
+ }
+
+ /**
+ * Resets the observed data and sends a notify to all attached events.
+ *
+ * @param array UNIX timestamp
+ * @return void
+ */
+ public function notify($data)
+ {
+ // Reset observed data
+ $this->observed_data = array
+ (
+ 'classes' => array(),
+ 'output' => array(),
+ );
+
+ // Send a notify
+ parent::notify($data);
+ }
+
+ /**
+ * Convert the calendar to HTML using the kohana_calendar view.
+ *
+ * @return string
+ */
+ public function render()
+ {
+ $view = new View('kohana_calendar', array
+ (
+ 'month' => $this->month,
+ 'year' => $this->year,
+ 'weeks' => $this->weeks(),
+ ));
+
+ return $view->render();
+ }
+
+ /**
+ * Magically convert this object to a string, the rendered calendar.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ return $this->render();
+ }
+
+} // End Calendar \ No newline at end of file
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-16 17:21:22 +0000