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<?php |
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/* vim: set expandtab tabstop=4 shiftwidth=4: */ |
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/** |
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* Contains the Calendar_Decorator_Wrapper class |
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* |
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* PHP versions 4 and 5 |
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* |
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* LICENSE: Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @category Date and Time |
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* @package Calendar |
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* @author Harry Fuecks <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks |
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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* @version CVS: $Id$ |
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* @link http://pear.php.net/package/Calendar |
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*/ |
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/** |
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* Used by Calendar_Month_Weekdays, Calendar_Month_Weeks and Calendar_Week to |
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* help with building the calendar in tabular form |
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* |
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* @category Date and Time |
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* @package Calendar |
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* @author Harry Fuecks <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks |
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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* @link http://pear.php.net/package/Calendar |
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* @access public |
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*/ |
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class Calendar_Table_Helper |
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{ |
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/** |
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* Instance of the Calendar object being helped. |
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* @var object |
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* @access private |
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*/ |
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var $calendar; |
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/** |
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* Instance of the Calendar_Engine |
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* @var object |
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* @access private |
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*/ |
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var $cE; |
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/** |
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* First day of the week |
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* @access private |
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* @var string |
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*/ |
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var $firstDay; |
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/** |
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* The seven days of the week named |
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* @access private |
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* @var array |
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*/ |
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var $weekDays; |
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/** |
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* Days of the week ordered with $firstDay at the beginning |
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* @access private |
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* @var array |
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*/ |
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var $daysOfWeek = array(); |
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/** |
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* Days of the month built from days of the week |
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* @access private |
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* @var array |
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*/ |
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var $daysOfMonth = array(); |
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/** |
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* Number of weeks in month |
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* @var int |
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* @access private |
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*/ |
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var $numWeeks = null; |
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/** |
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* Number of emtpy days before real days begin in month |
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* @var int |
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* @access private |
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*/ |
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var $emptyBefore = 0; |
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/** |
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* Constructs Calendar_Table_Helper |
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* |
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* @param object &$calendar Calendar_Month_Weekdays, Calendar_Month_Weeks, Calendar_Week |
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* @param int $firstDay (optional) first day of the week e.g. 1 for Monday |
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* |
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* @access protected |
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*/ |
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function __construct(& $calendar, $firstDay=null) |
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{ |
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$this->calendar = & $calendar; |
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$this->cE = & $calendar->getEngine(); |
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if (is_null($firstDay)) { |
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$firstDay = $this->cE->getFirstDayOfWeek( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth(), |
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$this->calendar->thisDay() |
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); |
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} |
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$this->firstDay = $firstDay; |
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$this->setFirstDay(); |
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$this->setDaysOfMonth(); |
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} |
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/** |
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* Constructs $this->daysOfWeek based on $this->firstDay |
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* |
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* @return void |
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* @access private |
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*/ |
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function setFirstDay() |
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{ |
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$weekDays = $this->cE->getWeekDays( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth(), |
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$this->calendar->thisDay() |
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); |
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$endDays = array(); |
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$tmpDays = array(); |
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$begin = false; |
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foreach ($weekDays as $day) { |
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if ($begin) { |
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$endDays[] = $day; |
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} else if ($day === $this->firstDay) { |
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$begin = true; |
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$endDays[] = $day; |
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} else { |
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$tmpDays[] = $day; |
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} |
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} |
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$this->daysOfWeek = array_merge($endDays, $tmpDays); |
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} |
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/** |
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* Constructs $this->daysOfMonth |
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* |
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* @return void |
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* @access private |
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*/ |
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function setDaysOfMonth() |
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{ |
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$this->daysOfMonth = $this->daysOfWeek; |
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$daysInMonth = $this->cE->getDaysInMonth( |
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$this->calendar->thisYear(), $this->calendar->thisMonth()); |
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$firstDayInMonth = $this->cE->getFirstDayInMonth( |
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$this->calendar->thisYear(), $this->calendar->thisMonth()); |
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$this->emptyBefore=0; |
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foreach ($this->daysOfMonth as $dayOfWeek) { |
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if ($firstDayInMonth == $dayOfWeek) { |
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break; |
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} |
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$this->emptyBefore++; |
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} |
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$this->numWeeks = ceil( |
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($daysInMonth + $this->emptyBefore) |
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/ |
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$this->cE->getDaysInWeek( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth(), |
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$this->calendar->thisDay() |
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) |
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); |
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for ($i=1; $i < $this->numWeeks; $i++) { |
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$this->daysOfMonth = |
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array_merge($this->daysOfMonth, $this->daysOfWeek); |
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} |
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} |
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/** |
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* Returns the first day of the month |
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* |
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* @return int |
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* @access protected |
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* @see Calendar_Engine_Interface::getFirstDayOfWeek() |
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*/ |
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function getFirstDay() |
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{ |
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return $this->firstDay; |
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} |
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/** |
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* Returns the order array of days in a week |
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* |
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* @return int |
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* @access protected |
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*/ |
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function getDaysOfWeek() |
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{ |
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return $this->daysOfWeek; |
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} |
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/** |
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* Returns the number of tabular weeks in a month |
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* |
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* @return int |
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* @access protected |
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*/ |
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function getNumWeeks() |
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{ |
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return $this->numWeeks; |
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} |
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/** |
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* Returns the number of real days + empty days |
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* |
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* @return int |
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* @access protected |
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*/ |
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function getNumTableDaysInMonth() |
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{ |
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return count($this->daysOfMonth); |
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} |
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/** |
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* Returns the number of empty days before the real days begin |
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* |
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* @return int |
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* @access protected |
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*/ |
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function getEmptyDaysBefore() |
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{ |
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return $this->emptyBefore; |
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} |
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/** |
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* Returns the index of the last real day in the month |
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* |
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* @todo Potential performance optimization with static |
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* @return int |
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* @access protected |
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*/ |
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function getEmptyDaysAfter() |
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{ |
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// Causes bug when displaying more than one month |
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//static $index; |
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//if (!isset($index)) { |
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$index = $this->getEmptyDaysBefore() + $this->cE->getDaysInMonth( |
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$this->calendar->thisYear(), $this->calendar->thisMonth()); |
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//} |
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return $index; |
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} |
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/** |
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* Returns the index of the last real day in the month, relative to the |
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* beginning of the tabular week it is part of |
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* |
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* @return int |
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* @access protected |
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*/ |
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function getEmptyDaysAfterOffset() |
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{ |
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$eAfter = $this->getEmptyDaysAfter(); |
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return $eAfter - ( |
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$this->cE->getDaysInWeek( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth(), |
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$this->calendar->thisDay() |
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) * ($this->numWeeks-1)); |
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} |
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/** |
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* Returns the timestamp of the first day of the current week |
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* |
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* @param int $y year |
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* @param int $m month |
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* @param int $d day |
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* @param int $firstDay first day of the week (default 1 = Monday) |
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* |
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* @return int timestamp |
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*/ |
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function getWeekStart($y, $m, $d, $firstDay=1) |
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{ |
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$dow = $this->cE->getDayOfWeek($y, $m, $d); |
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if ($dow > $firstDay) { |
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$d -= ($dow - $firstDay); |
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} |
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if ($dow < $firstDay) { |
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$d -= ( |
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$this->cE->getDaysInWeek( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth(), |
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$this->calendar->thisDay() |
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) - $firstDay + $dow); |
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} |
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return $this->cE->dateToStamp($y, $m, $d); |
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} |
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} |
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FriendsOfPear /
Calendar
Loading history...
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.