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merge DataObject::get
2 April 2009 at 1:42am
i want to merge two DataObject::get and result puts into DropDownField
first i tryed
$en = DataObject::get("ENTourPage")->toDropdownMap('Title', 'Title');
$home = DataObject::get("PLHomePage")->toDropdownMap('Title', 'Title');
$en -> merge($home);[...]
$fields->addFieldToTab("Root.Content.Tlumaczenie", new DropdownField('EN','Angielskie:',$wynik));
but i get
Fatal error: Call to a member function exists() on a non-object in ... on line ...second i tryed like in here http://www.silverstripe.org/data-model-questions/show/257050#post257050
$result = new DataObjectSet();
$result -> merge (DataObject::get("ENTourPage")->toDropdownMap('Title', 'Title'));
$result -> merge (DataObject::get("PLHomePage")->toDropdownMap('Title', 'Title'));[...]
$fields->addFieldToTab("Root.Content.Tlumaczenie", new DropdownField('EN','Angielskie:',$result));
but now i get only empty field in DropDownField -
Re: merge DataObject::get
17 September 2009 at 7:33pm
I had the same problem with a system I'm trying to put together.
But I just realized you're merging two different dataobjets, that could be a bit of an issue.
My solution was
$studentData = DataObject::get('Student');
$StudentMap = $studentData->toDropDownMap('ID', 'ChildFirstName');
foreach($studentData as $Student) {
$StudentMap[$Student->ID] = $StudentMap[$Student->ID].' '.$Student->ChildLastName;
}
$students = new MultiSelectField(
"Students", // Relationship
"Students", // Field name
$StudentMap // Source records (array)
);But you could try something like
$enMap = DataObject::get('ENTourPage')->toDropDownMap('ID', 'Title');//NOTE you'll want to make use of the ID not Title Title
$home = DataObject::get("PLHomePage");
foreach($home as $PLHomePage) {
$enMap[$PLHomePage->ID] = $PLHomePage->Title;
}
$fields->addFieldToTab("Root.Content.Tlumaczenie", new DropdownField('EN','Angielskie:',$enMap));There might be an easier way but I'm not sure.
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