public function testFieldPosition()
{
$compositeOuter = new CompositeField(new TextField('A'), new TextField('B'), $compositeInner = new CompositeField(new TextField('C1'), new TextField('C2')), new TextField('D'));
$this->assertEquals(0, $compositeOuter->fieldPosition('A'));
$this->assertEquals(1, $compositeOuter->fieldPosition('B'));
$this->assertEquals(3, $compositeOuter->fieldPosition('D'));
$this->assertEquals(0, $compositeInner->fieldPosition('C1'));
$this->assertEquals(1, $compositeInner->fieldPosition('C2'));
$compositeOuter->insertBefore('B', new TextField('AB'));
$this->assertEquals(0, $compositeOuter->fieldPosition('A'));
$this->assertEquals(1, $compositeOuter->fieldPosition('AB'));
$this->assertEquals(2, $compositeOuter->fieldPosition('B'));
}
/**
* Inserts a field before a particular field in a FieldList.
*
* @param string $insertBefore Name of the field to insert before
* @param FormField $field The form field to insert
* @return FormField|null
*/
public function insertBefore($insertBefore, $field)
{
if ($field instanceof Tab || $field instanceof TabSet) {
$field->setTabSet($this);
}
return parent::insertBefore($insertBefore, $field);
}
