/**
* Get the unit from the form. If it's defined and different than the
* display unit, convert the value and set it back into this control's value.
* Then, format with proper number of digits.
*
* Do not call this method more than once!
*/
protected function convert()
{
$user = Transaction::getInstance()->getUser();
if ($this->getValue() !== null && Zend_Locale_Format::isNumber($this->getValue(), array("locale" => $user->getLocale()))) {
$form = $this->getForm();
// Get the 'hidden' value, which indicates the unit of the current value.
$unit = $form->getValue($this->getUnitFieldName());
// If the unit is different, convert
if ($unit && $unit != $this->displayUnit) {
$measure = MeasureUtils::newMeasure($unit, $this->getValue(), $user->getLocale());
$unitInfo = MeasureUtils::getUnitInfo($this->displayUnit);
$measure->setType($unitInfo['constantName']);
// Sets the new value without rounding and without formatting
$this->setValue($measure->getValue(-1, $user->getLocale()));
}
$format = Formatter::getInstance();
// Format and round the value
$this->setValue($format->number($format->getNumber($this->getValue()), $this->decimalDigits));
}
}
/**
* @covers MeasureUtils::getUnitInfo
* @todo Implement testGetUnitInfo().
*/
public function testGetUnitInfo()
{
$actual = \MeasureUtils::getUnitInfo('Zend_Measure_Temperature::CELSIUS');
$excepted = array('className' => 'Zend_Measure_Temperature', 'constantName' => 'CELSIUS');
$this->assertEquals($excepted, $actual);
}