/**
* Test pushing a field to the beginning of a set.
*
* This tests {@link FieldList->unshift()}.
*/
public function testPushFieldToBeginningOfSet()
{
$fields = new FieldList();
/* A field named Country is added to the set */
$fields->unshift(new TextField('Country'));
/* We only have 1 field in the set */
$this->assertEquals(1, $fields->Count());
/* Another field called Email is added to the set */
$fields->unshift(new EmailField('Email'));
/* There are now 2 fields in the set */
$this->assertEquals(2, $fields->Count());
/* The most recently added field is at the beginning of the set */
$this->assertEquals('Email', $fields->First()->getName());
// Test that pushing a composite field without a name onto the set works
$fields->unshift(new CompositeField(new TextField('Test1'), new TextField('Test2')));
$this->assertEquals(3, $fields->Count());
}
/**
* Add a new child field to the beginning of the set.
*
* @param FormField
*/
public function unshift(FormField $field)
{
$this->children->unshift($field);
}
/**
* Set if the existing password should be required
*
* @param bool $show Flag to show or hide this field
* @return $this
*/
public function setRequireExistingPassword($show)
{
// Don't modify if already added / removed
if ((bool) $show === $this->requireExistingPassword) {
return $this;
}
$this->requireExistingPassword = $show;
$name = $this->getName();
$currentName = "{$name}[_CurrentPassword]";
if ($show) {
$confirmField = PasswordField::create($currentName, _t('Member.CURRENT_PASSWORD', 'Current Password'));
$this->children->unshift($confirmField);
} else {
$this->children->removeByName($currentName, true);
}
return $this;
}
/**
* Adds extra fields to this form
*
* @param FieldList $fields
* @param Controller $controller
* @param string $name
* @param array $context
*/
public function updateFormFields(FieldList &$fields, Controller $controller, $name, $context = [])
{
// Add preview link
if (empty($context['Record'])) {
return;
}
$record = $context['Record'];
if ($record->hasExtension(Versioned::class)) {
$link = $controller->Link('preview');
$fields->unshift(new LiteralField("PreviewLink", sprintf('<a href="%s" rel="external" target="_blank">Preview</a>', Convert::raw2att($link))));
}
}
