I'm getting a little frustrated with this, below is code i have to create a custom multi-select attribute for a product, it uses a custom source to pull the data for it from a database table, when selecting the attributes on the product edit screen it saves the id values (primary keys of the table the data comes from).
I thought that the source would also be used on the front end to create check boxes, but nothing i do makes it show up (and i have added a multi select in the admin directly and that attribute shows up just fine):
$eavSetup->addAttribute(
Product::ENTITY,
'svgs',
[
'type' => 'varchar',
'label' => 'Select SVG/Filters',
'input' => 'multiselect',
'source' => 'Vendor\Module\Model\Config\Attributes\SvgOptions',
'backend'=> 'Magento\Eav\Model\Entity\Attribute\Backend\ArrayBackend',
'required' => false,
'sort_order' => 100,
'global' => ScopedAttributeInterface::SCOPE_STORE,
'group' => 'Product Overview SVG/Filters',
'visible_on_front' => true,
'used_in_product_listing' => true,
'filterable'=>true,
'searchable'=>true,
'comparable'=>false,
'user_defined'=>true,
'apply_to' => 'simple,configurable,virtual,bundle,downloadable',
'is_used_in_grid' => true,
'is_visible_in_grid' => false,
'is_filterable_in_grid' => true
]
);
My data source is this:
public function getAllOptions() : array
{
/** @var Collection $svgCollection */
$svgCollection = $this->svgCollectionFactory->create();
/** @var Collection $svgCategoryCollection */
$svgCategoryCollection = $this->svgCategoryCollectionFactory->create();
// get all categories
$categories = $svgCategoryCollection->setOrder('name','ASC');
// for each category as an option group, assign SVGs
$options = [];
/** @var Category $category */
foreach($categories as $category) {
// reset where in collection so each loop works
$svgCollection->clear()->getSelect()->reset('where');
// get svgs in this category
$svgs = $svgCollection->addFieldToFilter('category_id',$category->getId())
->setOrder('display_name','ASC');
if($svgs->count() > 0){
// create svgs array
$svgOptions = [];
/** @var SVG $svg */
foreach ($svgs as $svg) {
$svgOptions[] = [
'label'=>$svg->getData('display_name'),
'value'=>$svg->getId()
];
}
// add category with svgs to options
$options[] = [
'label'=>$category->getData('name'),
'value'=>$svgOptions
];
}
}
return $options;
}
All the options show in the admin and save no problem, it's just the layered nav they won't show up on
