diff -r 000000000000 -r 4eba9c11703f web/Zend/Form/Decorator/ViewHelper.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/Zend/Form/Decorator/ViewHelper.php Mon Dec 13 18:29:26 2010 +0100 @@ -0,0 +1,256 @@ +_helper = (string) $helper; + return $this; + } + + /** + * Retrieve view helper for rendering element + * + * @return string + */ + public function getHelper() + { + if (null === $this->_helper) { + $options = $this->getOptions(); + if (isset($options['helper'])) { + $this->setHelper($options['helper']); + $this->removeOption('helper'); + } else { + $element = $this->getElement(); + if (null !== $element) { + if (null !== ($helper = $element->getAttrib('helper'))) { + $this->setHelper($helper); + } else { + $type = $element->getType(); + if ($pos = strrpos($type, '_')) { + $type = substr($type, $pos + 1); + } + $this->setHelper('form' . ucfirst($type)); + } + } + } + } + + return $this->_helper; + } + + /** + * Get name + * + * If element is a Zend_Form_Element, will attempt to namespace it if the + * element belongs to an array. + * + * @return string + */ + public function getName() + { + if (null === ($element = $this->getElement())) { + return ''; + } + + $name = $element->getName(); + + if (!$element instanceof Zend_Form_Element) { + return $name; + } + + if (null !== ($belongsTo = $element->getBelongsTo())) { + $name = $belongsTo . '[' + . $name + . ']'; + } + + if ($element->isArray()) { + $name .= '[]'; + } + + return $name; + } + + /** + * Retrieve element attributes + * + * Set id to element name and/or array item. + * + * @return array + */ + public function getElementAttribs() + { + if (null === ($element = $this->getElement())) { + return null; + } + + $attribs = $element->getAttribs(); + if (isset($attribs['helper'])) { + unset($attribs['helper']); + } + + if (method_exists($element, 'getSeparator')) { + if (null !== ($listsep = $element->getSeparator())) { + $attribs['listsep'] = $listsep; + } + } + + if (isset($attribs['id'])) { + return $attribs; + } + + $id = $element->getName(); + + if ($element instanceof Zend_Form_Element) { + if (null !== ($belongsTo = $element->getBelongsTo())) { + $belongsTo = preg_replace('/\[([^\]]+)\]/', '-$1', $belongsTo); + $id = $belongsTo . '-' . $id; + } + } + + $element->setAttrib('id', $id); + $attribs['id'] = $id; + + return $attribs; + } + + /** + * Get value + * + * If element type is one of the button types, returns the label. + * + * @param Zend_Form_Element $element + * @return string|null + */ + public function getValue($element) + { + if (!$element instanceof Zend_Form_Element) { + return null; + } + + foreach ($this->_buttonTypes as $type) { + if ($element instanceof $type) { + if (stristr($type, 'button')) { + $element->content = $element->getLabel(); + return null; + } + return $element->getLabel(); + } + } + + return $element->getValue(); + } + + /** + * Render an element using a view helper + * + * Determine view helper from 'viewHelper' option, or, if none set, from + * the element type. Then call as + * helper($element->getName(), $element->getValue(), $element->getAttribs()) + * + * @param string $content + * @return string + * @throws Zend_Form_Decorator_Exception if element or view are not registered + */ + public function render($content) + { + $element = $this->getElement(); + + $view = $element->getView(); + if (null === $view) { + require_once 'Zend/Form/Decorator/Exception.php'; + throw new Zend_Form_Decorator_Exception('ViewHelper decorator cannot render without a registered view object'); + } + + if (method_exists($element, 'getMultiOptions')) { + $element->getMultiOptions(); + } + + $helper = $this->getHelper(); + $separator = $this->getSeparator(); + $value = $this->getValue($element); + $attribs = $this->getElementAttribs(); + $name = $element->getFullyQualifiedName(); + $id = $element->getId(); + $attribs['id'] = $id; + + $helperObject = $view->getHelper($helper); + if (method_exists($helperObject, 'setTranslator')) { + $helperObject->setTranslator($element->getTranslator()); + } + + $elementContent = $view->$helper($name, $value, $attribs, $element->options); + switch ($this->getPlacement()) { + case self::APPEND: + return $content . $separator . $elementContent; + case self::PREPEND: + return $elementContent . $separator . $content; + default: + return $elementContent; + } + } +}