true, 'form' => true, ); /** * Generate a form label, optionally with content * * Always generates a "for" statement, as we cannot assume the form input * will be provided in the $labelContent. * * @param ElementInterface $element * @param null|string $labelContent * @param string $position * @throws Exception\DomainException * @return string|FormLabel */ public function __invoke(ElementInterface $element = null, $labelContent = null, $position = null) { if (!$element) { return $this; } $openTag = $this->openTag($element); $label = ''; if ($labelContent === null || $position !== null) { $label = $element->getLabel(); if (empty($label)) { throw new Exception\DomainException(sprintf( '%s expects either label content as the second argument, ' . 'or that the element provided has a label attribute; neither found', __METHOD__ )); } if (null !== ($translator = $this->getTranslator())) { $label = $translator->translate( $label, $this->getTranslatorTextDomain() ); } } if ($label && $labelContent) { switch ($position) { case self::APPEND: $labelContent .= $label; break; case self::PREPEND: default: $labelContent = $label . $labelContent; break; } } if ($label && null === $labelContent) { $labelContent = $label; } return $openTag . $labelContent . $this->closeTag(); } /** * Generate an opening label tag * * @param null|array|ElementInterface $attributesOrElement * @throws Exception\InvalidArgumentException * @throws Exception\DomainException * @return string */ public function openTag($attributesOrElement = null) { if (null === $attributesOrElement) { return ''; } if (is_array($attributesOrElement)) { $attributes = $this->createAttributesString($attributesOrElement); return sprintf('', $attributes); } if (!$attributesOrElement instanceof ElementInterface) { throw new Exception\InvalidArgumentException(sprintf( '%s expects an array or Zend\Form\ElementInterface instance; received "%s"', __METHOD__, (is_object($attributesOrElement) ? get_class($attributesOrElement) : gettype($attributesOrElement)) )); } $id = $this->getId($attributesOrElement); if (null === $id) { throw new Exception\DomainException(sprintf( '%s expects the Element provided to have either a name or an id present; neither found', __METHOD__ )); } $labelAttributes = $attributesOrElement->getLabelAttributes(); $attributes = array('for' => $id); if (!empty($labelAttributes)) { $attributes = array_merge($labelAttributes, $attributes); } $attributes = $this->createAttributesString($attributes); return sprintf('', $attributes); } /** * Return a closing label tag * * @return string */ public function closeTag() { return ''; } }