php - 调用未定义的方法 Silverstripe Gridfield
问题描述
我需要在扩展文件上添加其他字段,但出现错误。
这将添加一个带有 GridField 的画廊选项卡,允许用户添加图像。
不确定缺少什么,因为它正在处理其他项目。
[紧急] 未捕获的错误:调用未定义的方法 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);
}
}
这是应该在 BlogPostExtension 类上调用的 Dataobject 文件
<?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)';
}
}
}
解决方案
您正在调用不存在的扩展上的实例方法:
$options = $this->BlogGalleryImages();
这实际上是一个代表您的 has_many 关系“BlogGalleryImages”的魔术方法 - 这是由 DataObject 搭建的。您需要参考扩展程序的所有者才能访问它:
$options = $this->getOwner()->BlogGalleryImages();
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