function updateCMSFields(FieldList $fields)
{
$lists = CampaignMonitorSignupPage::get_ready_ones();
if ($lists && $lists->count()) {
$options = array(0 => _t("EcommerceNewsletterCampaignMonitorSignup.PLEASE_SELECT", "-- please select --")) + $lists->map()->toArray();
if ($this->owner->CampaignMonitorSignupPageID) {
$fields->addFieldsToTab("Root.Newsletter", array(new DropdownField("CampaignMonitorSignupPageID", _t("EcommerceNewsletterCampaignMonitorSignup.SIGN_UP_TO", "Sign-up for ..."), $options), new TextField("CampaignMonitorSignupHeader", _t("EcommerceNewsletterCampaignMonitorSignup.HEADER", "Header")), new TextField("CampaignMonitorSignupIntro", _t("EcommerceNewsletterCampaignMonitorSignup.INTRO", "Intro")), new TextField("CampaignMonitorSignupLabel", _t("EcommerceNewsletterCampaignMonitorSignup.LABEL", "Label"))));
} else {
$fields->addFieldsToTab("Root.Newsletter", array(new DropdownField("CampaignMonitorSignupPageID", _t("EcommerceNewsletterCampaignMonitorSignup.SIGN_UP_TO", "Sign-up for ..."), $options)));
$fields->removeFieldsFromTab("Root.Main", array("CampaignMonitorSignupHeader", "CampaignMonitorSignupIntro", "CampaignMonitorSignupLabel"));
}
} else {
$fields->addFieldToTab("Root.Newsletter", new LiteralField("ListExplanation", "<p class=\"message warning\">\n\t\t\t\t\t" . _t("EcommerceNewsletterCampaignMonitorSignup.RECOMMENDATION_TO_SETUP", "It is recommended you set up a Campaign Monitor Page with a valid list to subscribe to.") . "\n\t\t\t\t\t</p>"));
}
}
/**
* Test removing an array of fields from a tab in a set.
*/
public function testRemoveMultipleFieldsFromTab()
{
$fields = new FieldList();
$tab = new Tab('Root');
$fields->push($tab);
/* We add an array of fields, using addFieldsToTab() */
$fields->addFieldsToTab('Root', array(new TextField('Name', 'Your name'), new EmailField('Email', 'Email address'), new NumericField('Number', 'Insert a number')));
/* We have 3 fields inside the tab, which we just created */
$this->assertEquals(3, $tab->Fields()->Count());
/* We remove the 3 fields from the tab */
$fields->removeFieldsFromTab('Root', array('Name', 'Email', 'Number'));
/* We have no fields in the tab now */
$this->assertEquals(0, $tab->Fields()->Count());
}
