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| Author | Topic: ModelAdmin user error | 1236 Views |
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ModelAdmin user error
16 December 2008 at 12:35am Last edited: 16 December 2008 12:44am
Hi guys,
I am looking into how to use modeladmin now that there is some documentation to it.
I have done a clean install from the 2.3 branch then created 3 files in mysite/code:
ProductsHolder.php
<?php
class ProductsHolder extends Page {
static $allowed_children = array( 'Product' );
}class ProductsHolder_Controller extends Page_Controller {
}
?>Product.php
<?php
class Product extends DataObject {
static $db = array(
'Name' => 'Varchar',
'ProductCode' => 'Varchar',
'Description' => 'Text'
);static $has_one = array(
'Category' => 'Category'
);static $searchable_fields = array(
'Name',
'ProductCode'
);}
?>
and MyCatalogAdmin.php<?php
class MyCatalogAdmin extends ModelAdmin {
protected static $managed_models = array(
'Product'
);static $url_segment = 'products'; // will be linked as /admin/products
static $menu_title = 'My Product Admin';}
?>
After db build I log into the admin and am able to select "My Product Admin" which then appears to load fine until I click on "Create 'Product'" it shows an error message:
Error: "Bad class to singleton() - Category" at line 263 of /Users/Howard/Desktop/localhost/jdmnz/sapphire/core/Core.php
the line from core.php in question reads:
if(!class_exists($className)) user_error("Bad class to singleton() - $className", E_USER_ERROR);
Any help would be greatly appreciated!
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Re: ModelAdmin user error
16 December 2008 at 1:38am
Think your problem might be here:
static $allowed_children = array( 'Product' );
Product is not derived from SiteTree, so I don't think this will work.
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