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DataObjectManager Module
SilverStripe Forums » DataObjectManager Module » HasMany CheckBox Disabled
Discuss the DataObjectManager module, and the related ImageGallery module.
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| Author | Topic: | 1189 Views |
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HasMany CheckBox Disabled
21 April 2010 at 6:37pm
Hi all,
I have created a ProductPage Template that I want to be able to use in a site.
Code example below;
class ProductPage extends Page {
public static $db = array(
'Price' => 'Currency',
'SalePrice' => 'Currency',
'ProductCode' => 'Text'
);public static $has_many = array(
'ProductImages' => 'ProductImage'
);
public static $has_one = array(
'ProductPage' => 'Homepage'
);function getCMSFields() {
$fields = parent::getCMSFields();
$fields->addFieldToTab('Root.Content.Main', new TextField('Price', 'Price'), 'Content');
$fields->addFieldToTab('Root.Content.Main', new TextField('SalePrice', 'SalePrice'), 'Content');
$fields->addFieldToTab('Root.Content.Main', new TextField('ProductCode', 'ProductCode'), 'Content');$tablefield = new DataObjectManager(
$this,
'ProductImages',
'ProductImage',
array( 'Thumbnail' => 'Image', 'Title' => 'Title'),
'getCMSFields_forPopup'
);$tablefield->setPageSize(100);
$tablefield->setAddTitle( 'A Image' );$fields->addFieldToTab( 'Root.Content.ProductImages', $tablefield );
return $fields;
}
}Now I would like to gather all these products and give the user the oppurtunity to display them on the homepage in a list. I had a thought, I can use HasManyDataObjectManager. So I have written the HomePage like this;
class HomePage extends Page {
public static $db = array(
);
public static $has_one = array(
);
public static $has_many = array(
'Specials' => 'ProductPage'
);
function getCMSFields() {
$fields = parent::getCMSFields();$manager = new HasManyDataObjectManager(
$this,
'Specials',
'ProductPage',
array('Title' => 'Title'),
'getCMSFields_forPopup'
);
$perms = array();//Don't want to be able to Remove, Delete, View, Add from here.
$manager->setPermissions($perms);$fields->addFieldToTab( 'Root.Content.Specials', $manager );
return $fields;
}
}Now it all works sweet with one small exception, I can't select the item in the admin. I can see the checkbox but it is disabled.
The problem doesn't appear to be DataObjectManager Specific as I removed it and went back to the standard method with the same result.
Any help would be greatly appreciated.
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Re: HasMany CheckBox Disabled
22 April 2010 at 1:49am
Because you're using a HasManyDOM, remember that the reciprocal of a has_many is a has_one, which means that if those records are already related to a different object, they're not going to be selectable. You may want ManyManyDOM, or, if you're not doing any add/delete/edit, use a CheckboxSetField or, my favorite, MultiSelectField (separate module).
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