class/pear/Calendar/Decorator.php
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* Contains the Calendar_Decorator class.
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Date and Time
*
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @copyright 2003-2007 Harry Fuecks
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
*
* @link http://pear.php.net/package/Calendar
*/
/**
* Decorates any calendar class.
* Create a subclass of this class for your own "decoration".
* Used for "selections"
* <code>
* class DayDecorator extends Calendar_Decorator
* {
* function thisDay($format = 'int')
* {
* .* $day = parent::thisDay('timestamp');
* .* return date('D', $day);
* }
* }
* $Day = new Calendar_Day(2003, 10, 25);
* $DayDecorator = new DayDecorator($Day);
* echo $DayDecorator->thisDay(); // Outputs "Sat"
* </code>.
*
* @category Date and Time
*
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @copyright 2003-2007 Harry Fuecks
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
*
* @link http://pear.php.net/package/Calendar
* @abstract
*/
class Calendar_Decorator
{
/**
* Subclass of Calendar being decorated.
*
* @var object
*/
public $calendar;
/**
* Constructs the Calendar_Decorator.
*
* @param object &$calendar subclass to Calendar to decorate
*/
public function __construct(&$calendar)
{
$this->calendar = &$calendar;
}
/**
* Defines the calendar by a Unix timestamp, replacing values
* passed to the constructor.
*
* @param int $ts Unix timestamp
*/
public function setTimestamp($ts)
{
$this->calendar->setTimestamp($ts);
}
/**
* Returns a timestamp from the current date / time values. Format of
* timestamp depends on Calendar_Engine implementation being used.
*
* @return int $ts timestamp
*/
public function getTimestamp()
{
return $this->calendar->getTimestamp();
}
/**
* Defines calendar object as selected (e.g. for today).
*
* @param bool $state whether Calendar subclass must be selected
*/
public function setSelected($state = true)
{
$this->calendar->setSelected($state = true);
}
/**
* True if the calendar subclass object is selected (e.g. today).
*
* @return bool
*/
public function isSelected()
{
return $this->calendar->isSelected();
}
/**
* Adjusts the date (helper method).
*/
public function adjust()
{
$this->calendar->adjust();
}
/**
* Returns the date as an associative array (helper method).
*
* @param mixed $stamp timestamp (leave empty for current timestamp)
*
* @return array
*/
public function toArray($stamp = null)
{
return $this->calendar->toArray($stamp);
}
/**
* Returns the value as an associative array (helper method).
*
* @param string $returnType type of date object that return value represents
* @param string $format ['int'|'timestamp'|'object'|'array']
* @param mixed $stamp timestamp (depending on Calendar engine being used)
* @param int $default default value (i.e. give me the answer quick)
*
* @return mixed
*/
public function returnValue($returnType, $format, $stamp, $default)
{
return $this->calendar->returnValue($returnType, $format, $stamp, $default);
}
/**
* Defines Day object as first in a week
* Only used by Calendar_Month_Weekdays::build().
*
* @param bool $state whether it's first or not
*/
public function setFirst($state = true)
{
if (method_exists($this->calendar, 'setFirst')) {
$this->calendar->setFirst($state);
}
}
/**
* Defines Day object as last in a week
* Used only following Calendar_Month_Weekdays::build().
*
* @param bool $state whether it's last or not
*/
public function setLast($state = true)
{
if (method_exists($this->calendar, 'setLast')) {
$this->calendar->setLast($state);
}
}
/**
* Returns true if Day object is first in a Week
* Only relevant when Day is created by Calendar_Month_Weekdays::build().
*
* @return bool
*/
public function isFirst()
{
if (method_exists($this->calendar, 'isFirst')) {
return $this->calendar->isFirst();
}
}
/**
* Returns true if Day object is last in a Week
* Only relevant when Day is created by Calendar_Month_Weekdays::build().
*
* @return bool
*/
public function isLast()
{
if (method_exists($this->calendar, 'isLast')) {
return $this->calendar->isLast();
}
}
/**
* Defines Day object as empty
* Only used by Calendar_Month_Weekdays::build().
*
* @param bool $state whether it's empty or not
*/
public function setEmpty($state = true)
{
if (method_exists($this->calendar, 'setEmpty')) {
$this->calendar->setEmpty($state);
}
}
/**
* Check if the current object is empty.
*
* @return bool
*/
public function isEmpty()
{
if (method_exists($this->calendar, 'isEmpty')) {
return $this->calendar->isEmpty();
}
}
/**
* Build the children.
*
* @param array $sDates array containing Calendar objects to select (optional)
*
* @abstract
*/
public function build($sDates = [])
{
$this->calendar->build($sDates);
}
/**
* Iterator method for fetching child Calendar subclass objects
* (e.g. a minute from an hour object). On reaching the end of
* the collection, returns false and resets the collection for
* further iteratations.
*
* @return mixed either an object subclass of Calendar or false
*/
public function fetch()
{
return $this->calendar->fetch();
}
/**
* Fetches all child from the current collection of children.
*
* @return array
*/
public function fetchAll()
{
return $this->calendar->fetchAll();
}
/**
* Get the number Calendar subclass objects stored in the internal collection.
*
* @return int
*/
public function size()
{
return $this->calendar->size();
}
/**
* Determine whether this date is valid, with the bounds determined by
* the Calendar_Engine. The call is passed on to Calendar_Validator::isValid.
*
* @return bool
*/
public function isValid()
{
return $this->calendar->isValid();
}
/**
* Returns an instance of Calendar_Validator.
*
* @return Calendar_Validator
*/
public function &getValidator()
{
$validator = $this->calendar->getValidator();
return $validator;
}
/**
* Returns a reference to the current Calendar_Engine being used. Useful
* for Calendar_Table_Helper and Calendar_Validator.
*
* @return object implementing Calendar_Engine_Inteface
*/
public function &getEngine()
{
$engine = $this->calendar->getEngine();
return $engine;
}
/**
* Returns the value for the previous year.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 2002 or timestamp
*/
public function prevYear($format = 'int')
{
return $this->calendar->prevYear($format);
}
/**
* Returns the value for this year.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 2003 or timestamp
*/
public function thisYear($format = 'int')
{
return $this->calendar->thisYear($format);
}
/**
* Returns the value for next year.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 2004 or timestamp
*/
public function nextYear($format = 'int')
{
return $this->calendar->nextYear($format);
}
/**
* Returns the value for the previous month.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 4 or Unix timestamp
*/
public function prevMonth($format = 'int')
{
return $this->calendar->prevMonth($format);
}
/**
* Returns the value for this month.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 5 or timestamp
*/
public function thisMonth($format = 'int')
{
return $this->calendar->thisMonth($format);
}
/**
* Returns the value for next month.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 6 or timestamp
*/
public function nextMonth($format = 'int')
{
return $this->calendar->nextMonth($format);
}
/**
* Returns the value for the previous week.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 4 or Unix timestamp
*/
public function prevWeek($format = 'n_in_month')
{
if (method_exists($this->calendar, 'prevWeek')) {
return $this->calendar->prevWeek($format);
}
require_once __DIR__ . '/PEAR.php';
PEAR::raiseError('Cannot call prevWeek on Calendar object of type: ' . get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, E_USER_NOTICE, 'Calendar_Decorator::prevWeek()');
return false;
}
/**
* Returns the value for this week.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 5 or timestamp
*/
public function thisWeek($format = 'n_in_month')
{
if (method_exists($this->calendar, 'thisWeek')) {
return $this->calendar->thisWeek($format);
}
require_once __DIR__ . '/PEAR.php';
PEAR::raiseError('Cannot call thisWeek on Calendar object of type: ' . get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, E_USER_NOTICE, 'Calendar_Decorator::thisWeek()');
return false;
}
/**
* Returns the value for next week.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 6 or timestamp
*/
public function nextWeek($format = 'n_in_month')
{
if (method_exists($this->calendar, 'nextWeek')) {
return $this->calendar->nextWeek($format);
}
require_once __DIR__ . '/PEAR.php';
PEAR::raiseError('Cannot call thisWeek on Calendar object of type: ' . get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, E_USER_NOTICE, 'Calendar_Decorator::nextWeek()');
return false;
}
/**
* Returns the value for the previous day.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 10 or timestamp
*/
public function prevDay($format = 'int')
{
return $this->calendar->prevDay($format);
}
/**
* Returns the value for this day.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 11 or timestamp
*/
public function thisDay($format = 'int')
{
return $this->calendar->thisDay($format);
}
/**
* Returns the value for the next day.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 12 or timestamp
*/
public function nextDay($format = 'int')
{
return $this->calendar->nextDay($format);
}
/**
* Returns the value for the previous hour.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 13 or timestamp
*/
public function prevHour($format = 'int')
{
return $this->calendar->prevHour($format);
}
/**
* Returns the value for this hour.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 14 or timestamp
*/
public function thisHour($format = 'int')
{
return $this->calendar->thisHour($format);
}
/**
* Returns the value for the next hour.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 14 or timestamp
*/
public function nextHour($format = 'int')
{
return $this->calendar->nextHour($format);
}
/**
* Returns the value for the previous minute.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 23 or timestamp
*/
public function prevMinute($format = 'int')
{
return $this->calendar->prevMinute($format);
}
/**
* Returns the value for this minute.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 24 or timestamp
*/
public function thisMinute($format = 'int')
{
return $this->calendar->thisMinute($format);
}
/**
* Returns the value for the next minute.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 25 or timestamp
*/
public function nextMinute($format = 'int')
{
return $this->calendar->nextMinute($format);
}
/**
* Returns the value for the previous second.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 43 or timestamp
*/
public function prevSecond($format = 'int')
{
return $this->calendar->prevSecond($format);
}
/**
* Returns the value for this second.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 44 or timestamp
*/
public function thisSecond($format = 'int')
{
return $this->calendar->thisSecond($format);
}
/**
* Returns the value for the next second.
*
* @param string $format return value format ['int'|'timestamp'|'object'|'array']
*
* @return int e.g. 45 or timestamp
*/
public function nextSecond($format = 'int')
{
return $this->calendar->nextSecond($format);
}
}