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Initial values are empty using DataObjectDecorator
10 August 2009 at 7:32pm Last edited: 10 August 2009 7:35pm
Hi,
I´m trying to set initial values on a DataObject using a DataObjectDecorator. After creating the owner-object the value is still empty.
In detail I extended the SiteTree with an custom Object:
...
function extraDBFields() {
return array(
'has_one' => array(''MyObject","MyObject");
);
}
...In the same class, I override the method populateDefaults:
function populateDefaults() {
$myO = DataObject::get_by_id("MyObject", 1); //this Object with ID=1 exists in db!
$this->owner->MyObject = $myO;
}After creating a new SiteTree-item the attribute MyObjectID in the db-table SiteTree contains a 0 (zero). I tried
$item->owner->write();
in populateDefaults too, but this created a second SiteTree-item without the correct MyObjectID too.Without any success in using the DataObjectDecorator I tried another, second solution. I extended CMSMain (in the same way as LeftAndMainDecorator does) and set the attribute on the reference parameter &$item in the function augmentNewSiteTreeItem(&$item). Without success too. The resulting attribute MyObjectID in my SiteTree-item is still 0.
I verified both method-calls with debug-statements - both extensions itself worked correctly.
Is there any other initialization after these both extension-calls which overwrites the has_one-relation?
Best regards,
chrclaus -
Re: Initial values are empty using DataObjectDecorator
11 August 2009 at 6:34pm
To bypass the relationship setter, try:
$this->owner->MyObjectID = $myO->ID;
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Re: Initial values are empty using DataObjectDecorator
12 August 2009 at 7:57am Last edited: 12 August 2009 6:30pm
Hi Hamish,
thanks for your tip, but this did not change the initial value too. I tried to change the default page-title with
$item->Title = "chrclaus";
in function augmentNewSiteTreeItem of the extension or$this->owner->Title = "chrclaus";
in the function populateDefaults.
But after clicking in CMSMain "Create page"->"Go" the initial values at the right side of CMSMain are still Title="NewPage" and MyObjectID=0.Is it possible, that these initial values are overwritten after the extension had been called? I tried both solutions in v2.3.2 and 2.3.3
Best regards,
chrclausCorrection:
Setting the title works. I mixed up my sources between 2.3.2 and 2.3.3 and changed the wrong file
But setting MyObject still doesn´t work! -
Re: Initial values are empty using DataObjectDecorator
15 August 2009 at 7:25am
I found a workaround and probably an issue. The value MyObjID was not written to the database-manipulation information. I took a look in this complex array and did not find the entry for MyObjID with the current ID I had set in my decorator.
Therefore I implemented another extension-method in my decorator:
function augmentWrite(&$manipulation) {
$manipulation['SiteTree']['fields']['MyObjID'] = 8;
}
After creating a new page, the initial value is correct.Best regards,
chrclaus
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