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<?php |
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ |
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/** |
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* Contains the Calendar_Week 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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* @author Lorenzo Alberton <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton |
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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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namespace PEAR\Calendar; |
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use PEAR\Calendar\Table\Helper; |
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/** |
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* Represents a Week and builds Days in tabular format<br> |
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* <code> |
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* $Week = new \PEAR\Calendar\Week(2003, 10, 1); Oct 2003, 1st tabular week |
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* echo '<tr>'; |
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* while ($Day = & $Week->fetch()) { |
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* if ($Day->isEmpty()) { |
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* echo '<td> </td>'; |
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* } else { |
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* echo '<td>'.$Day->thisDay().'</td>'; |
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* } |
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* } |
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* echo '</tr>'; |
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* </code> |
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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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* @author Lorenzo Alberton <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton |
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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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*/ |
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class Week extends Calendar |
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{ |
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/** |
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* Instance of Calendar_Table_Helper |
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* @var \PEAR\Calendar\Table\Helper |
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* @access private |
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*/ |
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var $tableHelper; |
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/** |
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* Stores the timestamp of the first day of this week |
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* @access private |
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* @var object |
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*/ |
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var $thisWeek; |
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/** |
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* Stores the timestamp of first day of previous week |
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* @access private |
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* @var object |
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*/ |
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var $prevWeek; |
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/** |
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* Stores the timestamp of first day of next week |
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* @access private |
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* @var object |
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*/ |
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var $nextWeek; |
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/** |
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* Used by build() to set empty days |
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* @access private |
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* @var boolean |
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*/ |
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var $firstWeek = false; |
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/** |
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* Used by build() to set empty days |
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* @access private |
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* @var boolean |
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*/ |
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var $lastWeek = false; |
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/** |
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* First day of the week (0=sunday, 1=monday...) |
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* @access private |
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* @var boolean |
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*/ |
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var $firstDay = 1; |
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/** |
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* Constructs Week |
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* |
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* @param int $y year e.g. 2003 |
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* @param int $m month e.g. 5 |
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* @param int $d a day of the desired week |
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* @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.) |
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* |
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* @access public |
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*/ |
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function __construct($y, $m, $d, $firstDay = null) |
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{ |
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parent::__construct($y, $m, $d); |
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$this->firstDay = $this->defineFirstDayOfWeek($firstDay); |
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$this->tableHelper = new Helper($this, $this->firstDay); |
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$this->thisWeek = $this->tableHelper->getWeekStart($y, $m, $d, $this->firstDay); |
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$this->prevWeek = $this->tableHelper->getWeekStart( |
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$y, |
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$m, |
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$d - $this->cE->getDaysInWeek( |
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$this->thisYear(), |
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$this->thisMonth(), |
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$this->thisDay() |
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), |
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$this->firstDay |
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); |
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$this->nextWeek = $this->tableHelper->getWeekStart( |
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$y, |
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$m, |
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$d + $this->cE->getDaysInWeek( |
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$this->thisYear(), |
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$this->thisMonth(), |
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$this->thisDay() |
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), |
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$this->firstDay |
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); |
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} |
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/** |
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* Defines the calendar by a timestamp (Unix or ISO-8601), replacing values |
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* passed to the constructor |
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* |
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* @param int|string $ts Unix or ISO-8601 timestamp |
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* |
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* @return void |
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* @access public |
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*/ |
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function setTimestamp($ts) |
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{ |
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parent::setTimestamp($ts); |
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$this->thisWeek = $this->tableHelper->getWeekStart( |
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$this->year, $this->month, $this->day, $this->firstDay |
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); |
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$this->prevWeek = $this->tableHelper->getWeekStart( |
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$this->year, |
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$this->month, |
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$this->day - $this->cE->getDaysInWeek( |
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$this->thisYear(), |
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$this->thisMonth(), |
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$this->thisDay() |
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), |
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$this->firstDay |
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); |
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$this->nextWeek = $this->tableHelper->getWeekStart( |
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$this->year, |
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$this->month, |
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$this->day + $this->cE->getDaysInWeek( |
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$this->thisYear(), |
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$this->thisMonth(), |
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$this->thisDay() |
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), |
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$this->firstDay |
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); |
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} |
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/** |
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* Builds Calendar_Day objects for this Week |
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* |
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* @param array $sDates (optional) Calendar_Day objects representing selected dates |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function build($sDates = array()) |
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{ |
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$year = $this->cE->stampToYear($this->thisWeek); |
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$month = $this->cE->stampToMonth($this->thisWeek); |
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$day = $this->cE->stampToDay($this->thisWeek); |
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$end = $this->cE->getDaysInWeek( |
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$this->thisYear(), |
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$this->thisMonth(), |
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$this->thisDay() |
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); |
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for ($i=1; $i <= $end; $i++) { |
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$stamp = $this->cE->dateToStamp($year, $month, $day++); |
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$this->children[$i] = new Day( |
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$this->cE->stampToYear($stamp), |
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$this->cE->stampToMonth($stamp), |
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$this->cE->stampToDay($stamp) |
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); |
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} |
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//set empty days (@see Calendar_Month_Weeks::build()) |
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if ($this->firstWeek) { |
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$eBefore = $this->tableHelper->getEmptyDaysBefore(); |
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for ($i=1; $i <= $eBefore; $i++) { |
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$this->children[$i]->setEmpty(); |
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} |
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} |
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if ($this->lastWeek) { |
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$eAfter = $this->tableHelper->getEmptyDaysAfterOffset(); |
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for ($i = $eAfter+1; $i <= $end; $i++) { |
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$this->children[$i]->setEmpty(); |
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} |
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} |
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if (count($sDates) > 0) { |
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$this->setSelection($sDates); |
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} |
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return true; |
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} |
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/** |
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* Set as first week of the month |
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* |
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* @param boolean $state whether it's first or not |
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* |
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* @return void |
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* @access private |
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*/ |
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function setFirst($state = true) |
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{ |
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$this->firstWeek = $state; |
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} |
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/** |
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* Set as last week of the month |
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* |
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* @param boolean $state whether it's lasst or not |
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* |
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* @return void |
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* @access private |
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*/ |
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function setLast($state = true) |
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{ |
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$this->lastWeek = $state; |
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} |
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/** |
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* Called from build() |
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* |
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* @param array $sDates Calendar_Day objects representing selected dates |
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* |
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* @return void |
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* @access private |
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*/ |
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function setSelection($sDates) |
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{ |
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foreach ($sDates as $sDate) { |
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foreach ($this->children as $key => $child) { |
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if ($child->thisDay() == $sDate->thisDay() && |
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$child->thisMonth() == $sDate->thisMonth() && |
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$child->thisYear() == $sDate->thisYear() |
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) { |
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$this->children[$key] = $sDate; |
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$this->children[$key]->setSelected(); |
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} |
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} |
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} |
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reset($this->children); |
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} |
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/** |
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* Returns the value for this year |
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* |
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* When a on the first/last week of the year, the year of the week is |
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* calculated according to ISO-8601 |
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* |
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* @param string $format return value format ['int' | 'timestamp' | 'object' | 'array'] |
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* |
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* @return int e.g. 2003 or timestamp |
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* @access public |
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*/ |
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function thisYear($format = 'int') |
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{ |
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if (null !== $this->thisWeek) { |
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$tmp_cal = new Calendar(); |
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$tmp_cal->setTimestamp($this->thisWeek); |
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$first_dow = $tmp_cal->thisDay('array'); |
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$days_in_week = $tmp_cal->cE->getDaysInWeek($tmp_cal->year, $tmp_cal->month, $tmp_cal->day); |
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$tmp_cal->day += $days_in_week; |
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$last_dow = $tmp_cal->thisDay('array'); |
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if ($first_dow['year'] == $last_dow['year']) { |
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return $first_dow['year']; |
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} |
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if ($last_dow['day'] > floor($days_in_week / 2)) { |
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return $last_dow['year']; |
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} |
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return $first_dow['year']; |
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} |
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return parent::thisYear(); |
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} |
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/** |
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* Gets the value of the previous week, according to the requested format |
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* |
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* @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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* |
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* @return mixed |
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* @access public |
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*/ |
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function prevWeek($format = 'n_in_month') |
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{ |
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switch (strtolower($format)) { |
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case 'int': |
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case 'n_in_month': |
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return ($this->firstWeek) ? null : $this->thisWeek('n_in_month') -1; |
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case 'n_in_year': |
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return $this->cE->getWeekNInYear( |
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$this->cE->stampToYear($this->prevWeek), |
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$this->cE->stampToMonth($this->prevWeek), |
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$this->cE->stampToDay($this->prevWeek)); |
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case 'array': |
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return $this->toArray($this->prevWeek); |
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case 'object': |
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return Factory::createByTimestamp('Week', $this->prevWeek); |
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case 'timestamp': |
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default: |
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return $this->prevWeek; |
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} |
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} |
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/** |
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* Gets the value of the current week, according to the requested format |
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* |
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* @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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* |
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* @return mixed |
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* @access public |
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*/ |
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|
function thisWeek($format = 'n_in_month') |
|
|
|
|
361
|
|
|
{ |
362
|
|
|
switch (strtolower($format)) { |
363
|
|
|
case 'int': |
364
|
|
|
case 'n_in_month': |
365
|
|
|
if ($this->firstWeek) { |
366
|
|
|
return 1; |
367
|
|
|
} |
368
|
|
|
if ($this->lastWeek) { |
369
|
|
|
return $this->cE->getWeeksInMonth( |
370
|
|
|
$this->thisYear(), |
371
|
|
|
$this->thisMonth(), |
372
|
|
|
$this->firstDay); |
373
|
|
|
} |
374
|
|
|
return $this->cE->getWeekNInMonth( |
375
|
|
|
$this->thisYear(), |
376
|
|
|
$this->thisMonth(), |
377
|
|
|
$this->thisDay(), |
378
|
|
|
$this->firstDay); |
379
|
|
|
case 'n_in_year': |
380
|
|
|
return $this->cE->getWeekNInYear( |
381
|
|
|
$this->cE->stampToYear($this->thisWeek), |
382
|
|
|
$this->cE->stampToMonth($this->thisWeek), |
383
|
|
|
$this->cE->stampToDay($this->thisWeek)); |
384
|
|
|
case 'array': |
385
|
|
|
return $this->toArray($this->thisWeek); |
386
|
|
|
case 'object': |
387
|
|
|
return Factory::createByTimestamp('Week', $this->thisWeek); |
|
|
|
|
388
|
|
|
case 'timestamp': |
389
|
|
|
default: |
390
|
|
|
return $this->thisWeek; |
391
|
|
|
} |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
/** |
395
|
|
|
* Gets the value of the following week, according to the requested format |
396
|
|
|
* |
397
|
|
|
* @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
398
|
|
|
* |
399
|
|
|
* @return mixed |
400
|
|
|
* @access public |
401
|
|
|
*/ |
402
|
|
|
function nextWeek($format = 'n_in_month') |
|
|
|
|
403
|
|
|
{ |
404
|
|
|
switch (strtolower($format)) { |
405
|
|
|
case 'int': |
406
|
|
|
case 'n_in_month': |
407
|
|
|
return ($this->lastWeek) ? null : $this->thisWeek('n_in_month') +1; |
408
|
|
|
case 'n_in_year': |
409
|
|
|
return $this->cE->getWeekNInYear( |
410
|
|
|
$this->cE->stampToYear($this->nextWeek), |
411
|
|
|
$this->cE->stampToMonth($this->nextWeek), |
412
|
|
|
$this->cE->stampToDay($this->nextWeek)); |
413
|
|
|
case 'array': |
414
|
|
|
return $this->toArray($this->nextWeek); |
415
|
|
|
case 'object': |
416
|
|
|
return Factory::createByTimestamp('Week', $this->nextWeek); |
|
|
|
|
417
|
|
|
case 'timestamp': |
418
|
|
|
default: |
419
|
|
|
return $this->nextWeek; |
420
|
|
|
} |
421
|
|
|
} |
422
|
|
|
|
423
|
|
|
/** |
424
|
|
|
* Returns the instance of Calendar_Table_Helper. |
425
|
|
|
* Called from Calendar_Validator::isValidWeek |
426
|
|
|
* |
427
|
|
|
* @return \PEAR\Calendar\Table\Helper |
428
|
|
|
* @access protected |
429
|
|
|
*/ |
430
|
|
|
function & getHelper() |
431
|
|
|
{ |
432
|
|
|
return $this->tableHelper; |
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
/** |
436
|
|
|
* Makes sure theres a value for $this->day |
437
|
|
|
* |
438
|
|
|
* @return void |
439
|
|
|
* @access private |
440
|
|
|
*/ |
441
|
|
|
function findFirstDay() |
|
|
|
|
442
|
|
|
{ |
443
|
|
|
if (!count($this->children) > 0) { |
444
|
|
|
$this->build(); |
445
|
|
|
foreach ($this->children as $Day) { |
446
|
|
|
if (!$Day->isEmpty()) { |
447
|
|
|
$this->day = $Day->thisDay(); |
448
|
|
|
break; |
449
|
|
|
} |
450
|
|
|
} |
451
|
|
|
} |
452
|
|
|
} |
453
|
|
|
} |
454
|
|
|
|
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.