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<?php |
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namespace XoopsModules\Wgevents\SimpleCalendar; |
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/** |
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* Simple Calendar |
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* |
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* @author Jesse G. Donat <[email protected]> |
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* @see http://donatstudios.com |
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* @license http://opensource.org/licenses/mit-license.php |
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*/ |
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class SimpleCalendar { |
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/** |
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* Array of Week Day Names |
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* |
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* @var string[]|null |
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*/ |
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private $weekDayNames; |
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/** |
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* @var \DateTimeInterface |
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*/ |
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private $now; |
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/** |
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* @var \DateTimeInterface|null |
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*/ |
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private $today; |
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private $classes = [ |
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'calendar' => 'SimpleCalendar', |
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'leading_day' => 'SCprefix', |
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'trailing_day' => 'SCsuffix', |
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'today' => 'today', |
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'event' => 'event', |
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'events' => 'events', |
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]; |
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private $dailyHtml = []; |
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private $offset = 0; |
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/** |
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* @var bool |
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*/ |
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private $permSubmit; |
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/** |
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* @param \DateTimeInterface|int|string|null $calendarDate |
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* @param \DateTimeInterface|false|int|string|null $today |
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* |
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* @throws \Exception |
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* @throws \Exception |
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* @see setToday |
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* @see setDate |
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*/ |
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public function __construct( $calendarDate = null, $today = null ) { |
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$this->setDate($calendarDate); |
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$this->setToday($today); |
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$this->setCalendarClasses(); |
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} |
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/** |
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* Sets the date for the calendar. |
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* |
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* @param \DateTimeInterface|int|string|null $date DateTimeInterface or Date string parsed by strtotime for the |
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* calendar date. If null set to current timestamp. |
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* @throws \Exception |
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*/ |
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public function setDate( $date = null ) { |
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$this->now = $this->parseDate($date) ?: new \DateTimeImmutable(); |
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} |
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/** |
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* @param \DateTimeInterface|int|string|null $date |
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* @return \DateTimeInterface|null |
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* @throws \Exception |
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*/ |
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private function parseDate( $date = null ) { |
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if( $date instanceof \DateTimeInterface ) { |
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return $date; |
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} |
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if( \is_int($date) ) { |
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return (new \DateTimeImmutable())->setTimestamp($date); |
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} |
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if( \is_string($date) ) { |
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return new \DateTimeImmutable($date); |
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} |
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return null; |
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} |
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/** |
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* Sets the class names used in the calendar |
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* |
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* ```php |
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* [ |
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* 'calendar' => 'SimpleCalendar', |
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* 'leading_day' => 'SCprefix', |
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* 'trailing_day' => 'SCsuffix', |
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* 'today' => 'today', |
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* 'event' => 'event', |
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* 'events' => 'events', |
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* ] |
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* ``` |
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* |
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* @param array $classes Map of element to class names used by the calendar. |
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*/ |
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public function setCalendarClasses( array $classes = [] ) { |
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foreach( $classes as $key => $value ) { |
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if( !isset($this->classes[$key]) ) { |
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throw new \InvalidArgumentException("class '$key' not supported"); |
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} |
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$this->classes[$key] = $value; |
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} |
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} |
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/** |
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* Sets "today"'s date. Defaults to today. |
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* |
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* @param \DateTimeInterface|false|string|null $today `null` will default to today, `false` will disable the |
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* rendering of Today. |
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* @throws \Exception |
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*/ |
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public function setToday( $today = null ) { |
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if( $today === false ) { |
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$this->today = null; |
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} elseif( $today === null ) { |
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$this->today = new \DateTimeImmutable(); |
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} else { |
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$this->today = $this->parseDate($today); |
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} |
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} |
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/** |
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* @param string[]|null $weekDayNames |
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*/ |
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public function setWeekDayNames( array $weekDayNames = null ) { |
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if( \is_array($weekDayNames) && \count($weekDayNames) !== 7 ) { |
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throw new \InvalidArgumentException('week array must have exactly 7 values'); |
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} |
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$this->weekDayNames = $weekDayNames ? \array_values($weekDayNames) : null; |
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} |
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/** |
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* @param bool $permSubmit |
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*/ |
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public function setPermSubmit( $permSubmit = false ) { |
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$this->permSubmit = $permSubmit; |
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} |
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/** |
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* Add a daily event to the calendar |
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* |
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* @param string $html The raw HTML to place on the calendar for this event |
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* @param \DateTimeInterface|int|string $startDate Date string for when the event starts |
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* @param null $endDate Date string for when the event ends. Defaults to start date |
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* @param string $style Style for this event |
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* @throws \Exception |
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*/ |
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public function addDailyHtml(string $html, $startDate, $endDate = null, $style = '') { |
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static $htmlCount = 0; |
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$start = $this->parseDate($startDate); |
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if( !$start ) { |
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throw new \InvalidArgumentException('invalid start time'); |
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} |
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$end = $start; |
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if( $endDate ) { |
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$end = $this->parseDate($endDate); |
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} |
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if( !$end ) { |
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throw new \InvalidArgumentException('invalid end time'); |
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} |
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if( $end->getTimestamp() < $start->getTimestamp() ) { |
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throw new \InvalidArgumentException('end must come after start'); |
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} |
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$working = (new \DateTimeImmutable())->setTimestamp($start->getTimestamp()); |
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do { |
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$tDate = getdate($working->getTimestamp()); |
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$this->dailyHtml[$tDate['year']][$tDate['mon']][$tDate['mday']][$htmlCount]['link'] = $html; |
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$this->dailyHtml[$tDate['year']][$tDate['mon']][$tDate['mday']][$htmlCount]['style'] = $style; |
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$working = $working->add(new \DateInterval('P1D')); |
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} while( $working->getTimestamp() < $end->getTimestamp() + 1 ); |
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$htmlCount++; |
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} |
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/** |
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* Clear all daily events for the calendar |
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*/ |
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public function clearDailyHtml() { $this->dailyHtml = []; } |
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/** |
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* Sets the first day of the week |
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* |
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* @param int|string $offset Day the week starts on. ex: "Monday" or 0-6 where 0 is Sunday |
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*/ |
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public function setStartOfWeek($offset) { |
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if( \is_int($offset) ) { |
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$this->offset = $offset % 7; |
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} elseif( $this->weekDayNames !== null && ($weekOffset = \array_search($offset, $this->weekDayNames, true)) !== false ) { |
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$this->offset = $weekOffset; |
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} else { |
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$weekTime = \strtotime($offset); |
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if( $weekTime === 0 ) { |
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throw new \InvalidArgumentException('invalid offset'); |
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} |
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$this->offset = date('N', $weekTime) % 7; |
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} |
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} |
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/** |
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* Returns/Outputs the Calendar |
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* |
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* @param bool $echo Whether to echo resulting calendar |
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* @return string HTML of the Calendar |
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* @throws \Exception |
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* @throws \Exception |
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* @deprecated Use `render()` method instead. |
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*/ |
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public function show( $echo = true ) { |
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$out = $this->render(); |
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if( $echo ) { |
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echo $out; |
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} |
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return $out; |
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} |
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/** |
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* Returns the generated Calendar |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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public function render() { |
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$now = getdate($this->now->getTimestamp()); |
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$today = [ 'mday' => -1, 'mon' => -1, 'year' => -1 ]; |
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if( $this->today !== null ) { |
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$today = getdate($this->today->getTimestamp()); |
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} |
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$daysOfWeek = $this->weekdays(); |
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$this->rotate($daysOfWeek, $this->offset); |
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$weekDayIndex = date('N', \mktime(0, 0, 1, $now['mon'], 1, $now['year'])) - $this->offset; |
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$daysInMonth = cal_days_in_month(CAL_GREGORIAN, $now['mon'], $now['year']); |
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$out = <<<TAG |
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<table cellpadding="0" cellspacing="0" class="{$this->classes['calendar']}"><thead><tr> |
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TAG; |
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foreach( $daysOfWeek as $key => $dayName ) { |
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$out .= "<th class='day$key'>$dayName</th>"; |
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} |
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$out .= <<<'TAG' |
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</tr></thead> |
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<tbody> |
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<tr> |
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TAG; |
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$weekDayIndex = ($weekDayIndex + 7) % 7; |
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if( $weekDayIndex === 7 ) { |
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$weekDayIndex = 0; |
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} else { |
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$out .= \str_repeat(<<<TAG |
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<td class="{$this->classes['leading_day']}"> </td> |
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TAG |
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, $weekDayIndex); |
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} |
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$count = $weekDayIndex + 1; |
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for( $i = 1; $i <= $daysInMonth; $i++ ) { |
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$date = (new \DateTimeImmutable())->setDate($now['year'], $now['mon'], $i); |
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$isToday = false; |
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if( $this->today !== null ) { |
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$isToday = $i == $today['mday'] |
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&& $today['mon'] == $date->format('n') |
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&& $today['year'] == $date->format('Y'); |
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} |
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$out .= '<td' . ($isToday ? ' class="' . $this->classes['today'] . '"' : '') . '>'; |
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// line removed by goffy |
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//$out .= \sprintf('<time datetime="%s">%d</time>', $date->format('Y-m-d'), $i); |
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$dailyHTML = null; |
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if( isset($this->dailyHtml[$now['year']][$now['mon']][$i]) ) { |
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$dailyHTML = $this->dailyHtml[$now['year']][$now['mon']][$i]; |
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} |
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if( \is_array($dailyHTML) ) { |
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$out .= \sprintf('<time datetime="%s"><span class="badge badge-primary">%d</span></time>', $date->format('Y-m-d'), $i); |
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$out .= '<div class="' . $this->classes['events'] . '">'; |
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foreach( $dailyHTML as $dHtml ) { |
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$out .= \sprintf('<div class="%s wg-cal-item" style="' . $dHtml['style'] . '">%s</div>', $this->classes['event'], $dHtml['link']); |
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} |
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$out .= '</div>'; |
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} else { |
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$out .= \sprintf('<time datetime="%s">%d</time>', $date->format('Y-m-d'), $i); |
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} |
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if ($this->permSubmit) { |
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$out .= '<div class="addnew pull-right"><a href="event.php?op=new&eventDate=' . $date->getTimestamp() . '"><i class="fa fa-plus-square wg-cal-icon pull-right" title="' . \_MA_WGEVENTS_CAL_ADDITEM . '"></i></a></div>'; |
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} |
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$out .= '</td>'; |
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if( $count > 6 ) { |
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$out .= "</tr>\n" . ($i < $daysInMonth ? '<tr>' : ''); |
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$count = 0; |
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} |
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$count++; |
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} |
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if( $count !== 1 ) { |
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$out .= \str_repeat('<td class="' . $this->classes['trailing_day'] . '"> </td>', 8 - $count) . '</tr>'; |
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} |
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$out .= "\n</tbody></table>\n"; |
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return $out; |
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} |
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/** |
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* @param array $data |
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* @param int $steps |
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*/ |
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private function rotate(array &$data, int $steps) { |
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$count = \count($data); |
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if( $steps < 0 ) { |
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$steps = $count + $steps; |
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} |
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$steps %= $count; |
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for( $i = 0; $i < $steps; $i++ ) { |
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$data[] = \array_shift($data); |
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} |
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} |
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/** |
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* @return string[] |
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*/ |
357
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private function weekdays() { |
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if( $this->weekDayNames !== null ) { |
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$wDays = $this->weekDayNames; |
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} else { |
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$today = (86400 * (date('N'))); |
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$wDays = []; |
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for( $n = 0; $n < 7; $n++ ) { |
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|
$wDays[] = \strftime('%a', \time() - $today + ($n * 86400)); |
365
|
|
|
} |
366
|
|
|
} |
367
|
|
|
|
368
|
|
|
return $wDays; |
369
|
|
|
} |
370
|
|
|
|
371
|
|
|
} |
372
|
|
|
|