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<?php |
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/** |
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* TTimeZoneParameterBehavior class file. |
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* |
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* @author Brad Anderson <[email protected]> |
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* @link https://github.com/pradosoft/prado |
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* @license https://github.com/pradosoft/prado/blob/master/LICENSE |
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*/ |
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namespace Prado\Util\Behaviors; |
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use Prado\Prado; |
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use Prado\Util\TBehavior; |
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/** |
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* TTimeZoneParameterBehavior class. |
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* |
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* TTimeZoneParameterBehavior sets the date_default_timezone_set. |
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* This parameterizes the TimeZone. {@link TimeZoneParameter} is |
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* the key to the Application Parameter for setting the TimeZone. |
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* |
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* This Behavior is designed to attach to TApplication, but can be |
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* attached to any TComponent. |
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* |
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* <code> |
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* <behavior name="TimeZoneParameter" Class="Prado\Util\Behaviors\TTimeZoneParameterBehavior" AttachTo="Application" TimeZoneParameter="TimeZone" TimeZone="America/New_York"/> |
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* </code> |
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* This code will set the default timeZone to "America/New_York", and then |
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* if there is any Application Parameter in "TimeZone", then that takes |
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* precedence. Setting the TimeZoneParameter to "" will disable the |
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* parameter functionality and set the TimeZone from the attribute TimeZone. |
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* |
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* This routes changes in the Application Parameter {@link TimeZoneParameter} |
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* to {@link setTimeZone}. The default TimeZoneParameter is 'prop:TimeZone'. |
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* |
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* @author Brad Anderson <[email protected]> |
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* @since 4.2.0 |
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*/ |
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class TTimeZoneParameterBehavior extends TBehavior |
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{ |
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/** |
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* Name of the Application Parameter Routing Behavior |
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*/ |
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public const APP_PARAM_ROUTE_BEHAVIOR_NAME = 'TimeZoneParameter'; |
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/** |
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* Default TimeZoneParameter |
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*/ |
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public const TIMEZONE_PARAMETER_NAME = 'prop:TimeZone'; |
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/** |
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* @var string the page theme is set to this parameter key |
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*/ |
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private $_timeZoneParameter = self::TIMEZONE_PARAMETER_NAME; |
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/** |
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* @var object {@link TMapRouteBehavior} that routes changes to the parameter |
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* is handled by setTimeZone. |
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*/ |
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private $_paramBehavior; |
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/** |
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* This sets the date_default_timezone_set with the value of the TimeZoneParameter |
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* in the application parameters. It attaches the Application Parameter handler behavior. |
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* @param object $owner the object that this behavior is attached to. |
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*/ |
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public function attach($owner) |
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{ |
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parent::attach($owner); |
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if (!$this->getEnabled() || !$this->_timeZoneParameter) { |
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return; |
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} |
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$appParams = Prado::getApplication()->getParameters(); |
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if ($default_timezone = $appParams->itemAt($this->_timeZoneParameter)) { |
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$this->setTimeZone($default_timezone); |
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} |
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$this->_paramBehavior = new TMapRouteBehavior($this->_timeZoneParameter, [$this, 'setTimeZone']); |
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$appParams->attachBehavior(self::APP_PARAM_ROUTE_BEHAVIOR_NAME, $this->_paramBehavior); |
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} |
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/** |
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* This removes the Application Parameter handler behavior |
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* @param object $owner the object that this behavior is attached to. |
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*/ |
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public function detach($owner) |
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{ |
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if ($this->_paramBehavior) { |
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Prado::getApplication()->getParameters()->detachBehavior(self::APP_PARAM_ROUTE_BEHAVIOR_NAME); |
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} |
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parent::detach($owner); |
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} |
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/** |
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* This attaches and detaches the routing behavior on the Application Parameters. |
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* @param bool $enabled whether this behavior is enabled |
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*/ |
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public function setEnabled($enabled) |
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{ |
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if ($enabled == true && !$this->_paramBehavior) { |
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$this->_paramBehavior = new TMapRouteBehavior($this->_timeZoneParameter, [$this, 'setTimeZone']); |
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Prado::getApplication()->getParameters()->attachBehavior(self::APP_PARAM_ROUTE_BEHAVIOR_NAME, $this->_paramBehavior); |
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} elseif ($enabled == false && $this->_paramBehavior) { |
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Prado::getApplication()->getParameters()->detachBehavior(self::APP_PARAM_ROUTE_BEHAVIOR_NAME); |
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$this->_paramBehavior = null; |
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} |
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parent::setEnabled($enabled); |
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} |
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/** |
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* @return string Application parameter key to set the php TimeZone. |
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*/ |
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public function getTimeZoneParameter() |
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{ |
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return $this->_timeZoneParameter; |
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} |
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/** |
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* @param string $value Application parameter key to set the php TimeZone. |
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*/ |
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public function setTimeZoneParameter($value) |
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{ |
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if ($this->_paramBehavior) { |
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$this->_paramBehavior->setParameter($value); |
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} |
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$this->_timeZoneParameter = $value; |
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} |
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/** |
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* @return string the timeZone from date_default_timezone_get. |
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*/ |
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public function getTimeZone() |
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{ |
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return date_default_timezone_get(); |
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} |
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/** |
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* @param string $value passthrough to date_default_timezone_set |
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*/ |
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public function setTimeZone($value) |
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{ |
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$set = true; |
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try { |
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date_default_timezone_set($value); |
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} catch (\Exception $e) { |
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$set = false; |
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} |
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return $set; |
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} |
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} |
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pradosoft /
prado
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When comparing two booleans, it is generally considered safer to use the strict comparison operator.