Form Format

<?php
namespace Cadastro\View\Helper;

use Zend\View\Helper\AbstractHelper;

class FormFormat extends AbstractHelper
{

    /**
     *
     * @var AbstractHelper
     */
    protected $peeringHelper;

    /**
     *
     * @var boolean
     */
    protected $isView;

    /**
     * Invoke helper as functor
     *
     * Proxies to {@link render()}.
     *
     * @param ElementInterface|null $element
     * @param AbstractHelper|null $render
     * @return string FormInput
     */
    public function __invoke($element = null, $peeringHelper = null, $class = false)
    {
        if (! $element) {
            return $this;
        }

        if ($peeringHelper) {
            $this->peeringHelper = $peeringHelper;
        }

        if ($element instanceof \Zend\Form\Element\Collection)
            return $this->renderCollection($element);

        return $this->renderElement($element, $class);
    }

    /**
     * Render unique fields
     *
     * @param unknown $element
     * @param unknown $class
     * @return string
     */
    public function renderElement($element)
    {
        $return = '';

        if (count($element->getMessages()) > 0) {
            $return .= '<div class="form-group has-error">';
        } else {
            $return .= '<div class="form-group">';
        }

        $label = ($this->isView) ? '<strong>' . $element->getLabel() . '</strong>' : $element->getLabel();

        $return .= '<label class="col-md-3 control-label">' . $label . '</label>';
        $return .= '<div class="col-md-4">';

        $return .= $this->renderInput($element);

        foreach ($element->getMessages() as $mensagem) {
            $return .= "<span class='help-block'>" . $mensagem . "</span>";
        }

        $return .= '</div>';
        $return .= '</div>';

        return $return;
    }

    /**
     * Render a form collection
     *
     * @param unknown $element
     * @return string
     */
    public function renderCollection($element)
    {
        $return = '';

        if (count($element->getMessages()) > 0) {
            $return .= '<div class="form-group has-error">';
        } else {
            $return .= '<div class="form-group">';
        }

        $label = ($this->isView) ? '<strong>' . $element->getLabel() . '</strong>' : $element->getLabel();

        $return .= '<label class="col-md-3 control-label">' . $label . '</label>';
        $return .= '<div class="col-md-6">';

        $element->setLabel('');
        $return .= $this->getView()->formrow($element);

        foreach ($element->getMessages() as $mensagem) {
            //$return .= "<span class='help-block'>" . $mensagem . "</span>";
        }

        $return .= '</div>';
        $return .= '</div>';

        return $return;
    }

    /**
     *
     * @param unknown $element
     */
    public function renderInput($element)
    {
        if ($this->isView) {

            if ($element instanceof \Zend\Form\Element\Checkbox) {
                // $element->setAttribute('disabled', true);
                return $this->getView()->formCheckbox($element);
            } elseif ($element instanceof \Zend\Form\Element\Select) {
                //$element->setAttribute('disabled', true);
                return $this->getView()->formSelect($element);
            } elseif ($element instanceof \Cadastro\Form\Element\Money) {
                return '<span class="list-group-item">' . $this->getView()->currencyformat($element->getValue(), 'BRL') . '</span>';
            }

            return '<span class="list-group-item">' . $element->getValue($element) . '</span>';
        } else {
            return $this->inputType($element);
        }
    }

    public function inputType($element)
    {
        if ($this->peeringHelper) {
            return $this->peeringHelper->render($element);
        }

        if ($element instanceof \Cadastro\Form\Element\Money) {
            return $this->getView()->formMoney($element);
        } elseif ($element instanceof \Zend\Form\Element\Text) {
            return $this->getView()->formText($element);
        } elseif ($element instanceof \Zend\Form\Element\Textarea) {
            return $this->getView()->formTextarea($element);
        } elseif ($element instanceof \Zend\Form\Element\Date) {
            return $this->getView()->formText($element);
        } elseif ($element instanceof \Zend\Form\Element\DateTime) {
            return $this->getView()->formDateTime($element);
        } elseif ($element instanceof \Zend\Form\Element\Checkbox) {
            return $this->getView()->formCheckbox($element);
        } elseif ($element instanceof \Zend\Form\Element\Select) {
            return $this->getView()->formSelect($element);
        } elseif ($element instanceof \Zend\Form\Element\Button) {
            return $this->getView()->formButton($element);
        } elseif ($element instanceof \Zend\Form\Element\Submit) {
            return $this->getView()->formSubmit($element);
        } else {
            throw new \Exception('Tipo de input inválido: ' . get_class($element));
        }
    }

    /**
     * Set form to not show input fields, only its value
     *
     * @param boolean $isView
     */
    public function setIsView($isView = false)
    {
        $this->isView = $isView;
    }

    /**
     * Return if form is in view mode (not showing input fields)
     *
     * @return boolean
     */
    public function isView()
    {
        return $this->isView;
    }
}