How is \Magento\Catalog\Model\Product::getMediaAttributes() implemented and used?

dmitry_fedyuk · May 1, 2016, 6:32pm

Implementation

Context: How does \Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content::getMediaAttributes() work?

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/Product.php#L1434-L1451


/**
 * Retrieve attributes for media gallery
 *
 * @return array
 */
public function getMediaAttributes()
{
    if (!$this->hasMediaAttributes()) {
        $mediaAttributes = [];
        foreach ($this->getAttributes() as $attribute) {
            if ($attribute->getFrontend()->getInputType() == 'media_image') {
                $mediaAttributes[$attribute->getAttributeCode()] = $attribute;
            }
        }
        $this->setMediaAttributes($mediaAttributes);
    }
    return $this->getData('media_attributes');
}

Details: How does \Magento\Catalog\Model\Product::getAttributes() work?

Usage

1. \Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content::getMediaAttributes()

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Block/Adminhtml/Product/Helper/Form/Gallery/Content.php#L192-L200


/**
 * Retrieve media attributes
 *
 * @return array
 */
public function getMediaAttributes()
{
    return $this->getElement()->getDataObject()->getMediaAttributes();
}

Details: How does \Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content::getMediaAttributes() work?

2. \Magento\Catalog\Model\ProductRepository::processMediaGallery()

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ProductRepository.php#L458-L458


$this->getMediaGalleryProcessor()->clearMediaAttribute($product, array_keys($product->getMediaAttributes()));

3. \Magento\ConfigurableProduct\Block\Adminhtml\Product\Steps\Bulk::getMediaAttributes()

github.com

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Block/Adminhtml/Product/Steps/Bulk.php#L88-L98


/**
 * @return array
 */
public function getMediaAttributes()
{
    static $simple;
    if (empty($simple)) {
        $simple = $this->productFactory->create()->setTypeId(Type::TYPE_SIMPLE)->getMediaAttributes();
    }
    return $simple;
}

4. \Magento\ProductVideo\Block\Adminhtml\Product\Edit\NewVideo::addMediaRoleAttributes()

github.com

magento/magento2/blob/958164/app/code/Magento/ProductVideo/Block/Adminhtml/Product/Edit/NewVideo.php#L233-L252


protected function addMediaRoleAttributes(Fieldset $fieldset)
{
    $fieldset->addField('roleLabel', 'note', ['text' => __('Role')]);
    $mediaRoles = $this->getProduct()->getMediaAttributes();
    ksort($mediaRoles);
    foreach ($mediaRoles as $mediaRole) {
        $fieldset->addField(
            'video_' . $mediaRole->getAttributeCode(),
            'checkbox',
            [
                'class' => 'video_image_role',
                'label' => __($mediaRole->getFrontendLabel()),
                'title' => __($mediaRole->getFrontendLabel()),
                'data-role' => 'role-type-selector',
                'value' => $mediaRole->getAttributeCode(),
            ]
        );
    }
    return $this;
}