Мне нужно иметь дополнительные поля в расширенном файле, но возникает ошибка.
Это добавит вкладку галереи с GridField, которая позволит пользователю добавлять изображения.
Неуверен, что отсутствует, так как он работает в других проектах.
[Чрезвычайная ситуация] Uncaught Ошибка: вызов неопределенного метода MyProject \ Extensions \ BlogPostExtension :: BlogGalleryImages ()
<?php
namespace MyProject\Extensions;
use SilverStripe\ORM\DataExtension;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\TextField;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridFieldConfig_RelationEditor;
use SilverStripe\Forms\GridField\GridFieldAddNewButton;
use SilverStripe\Forms\GridField\GridFieldDetailForm;
use SilverStripe\Forms\GridField\GridFieldEditButton;
use SilverStripe\Forms\GridField\GridFieldDeleteAction;
use UndefinedOffset\SortableGridField\Forms\GridFieldSortableRows;
use SilverStripe\View\Requirements;
use MyProject\Model\BlogGalleryImage;
class BlogPostExtension extends DataExtension {
private static $db = [
'SortOrder' => 'Int'
];
private static $has_many = [
"BlogGalleryImages" => BlogGalleryImage::class,
];
public function updateCMSFields(FieldList $fields) {
// Add fields here
$fields->removeByName("SortOrder");
$options = $this->BlogGalleryImages();
$gridFieldConfig = GridFieldConfig::create()->addComponents(
new GridFieldAddNewButton('toolbar-header-right'),
new GridFieldToolbarHeader(),
new GridFieldSortableHeader(),
new GridFieldDataColumns(),
new GridFieldPaginator(80),
new GridFieldDetailForm(),
new GridFieldEditButton(),
new GridFieldDeleteAction()
);
$itemsTable = new GridField("BlogGalleryImages","Gallery Image",$options,$gridFieldConfig);
$fields->addFieldToTab('Root.Gallery',$itemsTable);
}
}
Вот файл Dataobject, который должен вызываться для класса BlogPostExtension
<?php
namespace MyProject\Model;
use SilverStripe\AssetAdmin\Forms\UploadField;
use SilverStripe\Assets\Image;
use SilverStripe\ORM\DataObject;
class BlogGalleryImage extends DataObject{
private static $singular_name = 'Gallery Image';
private static $db = array(
'Title' => 'Varchar(256)',
'SortOrder' => 'Int'
);
private static $has_one = array(
'Image' => Image::class,
'BlogPosts' => BlogPost::class,
);
private static $owns = [
'Image',
];
private static $summary_fields = array(
'Thumbnail',
'Title'
);
private static $table_name = 'MyProject_BlogGallery';
private static $default_sort = "SortOrder ASC";
public function getCMSFields(){
$fields = parent::getCMSFields();
$fields->removeByName("SortOrder");
$fields->removeByName("BlogPostID");
$fields->addFieldToTab("Root.Main", new TextField("Title","Title"));
$fields->addFieldToTab("Root.Main", $uploadfield = UploadField::create("Image","Image"));
$uploadfield->setFolderName("BlogGallery");
return $fields;
}
public function getThumbnail(){
if ($icon = $this->Image()){
return $icon->CMSThumbnail();
}else{
return '(No Image)';
}
}
}