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History: Cannot use object of type DataObjectSet in CheckboxSetField
30 May 2007 at 9:31am
Hi,
I have a BlogPost class, which has the relationsship:
static $belongs_many_many = array(
'Tags' => 'BlogTag'
);and a CheckboxSetField of BlogTags is added in getCMSFields():
$dataSet = DataObject::get('BlogTag');
if( $dataSet ) {
$theCheckboxFieldSet = new CheckboxSetField(
'Tags',
'Tags for this blog post',
$dataSet,
$idList);
$fields->addFieldToTab('Root.Content.Tags', $theCheckboxFieldSet );
}In the CMS, is I click to the history of any BlogPost page, I got the error:
Fatal error: Cannot use object of type DataObjectSet as array in /var/www/xebidy/sapphire/forms/CheckboxSetField.php on line 130
When I comment out the CheckboxSetField in the getCMSFields(), I can access the history of BlogPost. Do I do something wrong, or is this a SS bug?
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Re: History: Cannot use object of type DataObjectSet in CheckboxSetField
30 May 2007 at 11:53am
first, make sure you've got $many_many = array("BlogPosts"=>"BlogPost") on the other side (BlogPost.php).
CheckboxSetField accepts DataObjectSets in the constructor, but it doesn't seem to process them correctly (I've filed a bug for that). please use an id-list instead:
$theCheckboxFieldSet = new CheckboxSetField(
'Tags',
'Tags for this blog post',
$dataSet->toDropDownMap(),
$idList);CheckboxSetField actually extends DropdownField, so they share a lot of behaviour.
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Re: History: Cannot use object of type DataObjectSet in CheckboxSetField
30 May 2007 at 3:45pm
Thanks, it works now.
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