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-rw-r--r--kohana/libraries/Calendar.php361
1 files changed, 0 insertions, 361 deletions
diff --git a/kohana/libraries/Calendar.php b/kohana/libraries/Calendar.php
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--- a/kohana/libraries/Calendar.php
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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
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