PHP TPropertyValue::ensureFloat方法代码示例

 /**
  * Sets the decay rate between callback. Default is 0;
  * @param float decay rate between callbacks.
  */
 public function setDecayRate($value)
 {
     $decay = TPropertyValue::ensureFloat($value);
     if ($decay < 0) {
         throw new TConfigurationException('callback_decay_be_not_negative', $this->getID());
     }
     $this->setViewState('Decay', $decay);
 }

 /**
  * @param float seconds between callback requests, must be a positive number, default is 1 second.
  */
 public function setInterval($value)
 {
     $interval = TPropertyValue::ensureFloat($value);
     if ($interval <= 0) {
         throw new TConfigurationException('callback_interval_be_positive', $this->getID());
     }
     if ($this->getInterval() === $value) {
         return;
     }
     $this->setViewState('Interval', $interval, 1);
     if ($this->getActiveControl()->canUpdateClientSide()) {
         $client = $this->getPage()->getCallbackClient();
         $client->callClientFunction('Prado.WebUI.TTimeTriggeredCallback.setTimerInterval', array($this, $interval));
     }
 }

 /**
  * Removes an item from the map by its key. If no priority, or false, is specified
  * then priority is irrelevant. If null is used as a parameter for priority, then
  * the priority will be the default priority.  If a priority is specified, or
  * the default priority is specified, only key-value pairs in that priority
  * will be affected.
  * @param mixed the key of the item to be removed
  * @param numeric|false|null priority.  False is any priority, null is the
  * default priority, and numeric is a specific priority
  * @return mixed the removed value, null if no such key exists.
  * @throws TInvalidOperationException if the map is read-only
  */
 public function remove($key, $priority = false)
 {
     if (!$this->_r) {
         if ($priority === null) {
             $priority = $this->getDefaultPriority();
         }
         if ($priority === false) {
             $this->sortPriorities();
             foreach ($this->_d as $priority => $items) {
                 if (array_key_exists($key, $items)) {
                     $value = $this->_d[$priority][$key];
                     unset($this->_d[$priority][$key]);
                     $this->_c--;
                     if (count($this->_d[$priority]) === 0) {
                         unset($this->_d[$priority]);
                         $this->_o = false;
                     }
                     $this->_fd = null;
                     return $value;
                 }
             }
             return null;
         } else {
             $priority = (string) round(TPropertyValue::ensureFloat($priority), $this->_p);
             if (isset($this->_d[$priority]) && (isset($this->_d[$priority][$key]) || array_key_exists($key, $this->_d[$priority]))) {
                 $value = $this->_d[$priority][$key];
                 unset($this->_d[$priority][$key]);
                 $this->_c--;
                 if (count($this->_d[$priority]) === 0) {
                     unset($this->_d[$priority]);
                     $this->_o = false;
                 }
                 $this->_fd = null;
                 return $value;
             } else {
                 return null;
             }
         }
     } else {
         throw new TInvalidOperationException('map_readonly', get_class($this));
     }
 }

 /**
  * Set the opacity on a html element or control.
  * This effect doesn't need jQueryUI.
  * @param TControl control element or element id
  * @param float opacity value between 1 and 0
  */
 public function fadeTo($element, $value, $duration = 500)
 {
     $value = TPropertyValue::ensureFloat($value);
     $this->visualEffect('fadeTo', $element, array($duration, $value));
 }

 /**
  * @param float rating value, also sets the selected Index
  */
 public function setRating($value)
 {
     $value = TPropertyValue::ensureFloat($value);
     $this->setViewState('Rating', $value, null);
     $index = $this->getRatingIndex($value);
     parent::setSelectedIndex($index);
 }

 /**
  * @param float maximum delay (in seconds) before requesting a suggestion.
  * Default is 0.4.
  */
 public function setFrequency($value)
 {
     $this->setViewState('frequency', TPropertyValue::ensureFloat($value), '');
 }

 /**
  * Sets the date for the date picker using timestamp.
  * @param float time stamp for the date picker
  */
 public function setTimeStamp($value)
 {
     if ($value === null || is_string($value) && trim($value) === '') {
         $this->setText('');
     } else {
         $date = TPropertyValue::ensureFloat($value);
         $formatter = new TSimpleDateFormatter($this->getDateFormat());
         $this->setText($formatter->format($date));
     }
 }

 /**
  * Removes the item at a specific index within a priority.  Override
  * and call this method to insert your own functionality.
  * @param integer index of item to remove within the priority.
  * @param numeric priority of the item to remove, defaults to null, or left blank, it is then set to the default priority
  * @return mixed the removed item.
  * @throws TInvalidDataValueException If the item does not exist
  */
 public function removeAtIndexInPriority($index, $priority = null)
 {
     if ($this->getReadOnly()) {
         throw new TInvalidOperationException('list_readonly', get_class($this));
     }
     if ($priority === null) {
         $priority = $this->getDefaultPriority();
     }
     $priority = (string) round(TPropertyValue::ensureFloat($priority), $this->_p);
     if (!isset($this->_d[$priority]) || $index < 0 || $index >= count($this->_d[$priority])) {
         throw new TInvalidDataValueException('list_item_inexistent');
     }
     // $value is an array of elements removed, only one
     $value = array_splice($this->_d[$priority], $index, 1);
     $value = $value[0];
     if (!count($this->_d[$priority])) {
         unset($this->_d[$priority]);
     }
     $this->_c--;
     $this->_fd = null;
     return $value;
 }

 /**
  * @param float current value of slider
  */
 public function setValue($value)
 {
     $this->setViewState('Value', TPropertyValue::ensureFloat($value), 0.0);
 }

 /**
  * @param float minimum amount of savings to actually store the value compressed
  * @throws TInvalidOperationException if the module is already initialized
  */
 public function setMinSavings($value)
 {
     if ($this->_initialized) {
         throw new TInvalidOperationException('memcache_min_savings_unchangeable');
     } else {
         $this->_minSavings = TPropertyValue::ensureFloat($value);
     }
 }