public function _getAnnouncement($render = true)
{
if (ClassInfo::hasTable('MediaHolder')) {
$media = MediaHolder::get()->filter(array('MediaType.Title' => 'News'));
$possible = $media->first();
// what about an announcement title'd page
$page = $media->filter(array('Title' => 'Announcements'))->first();
if (!$page) {
$page = $possible;
}
if ($page) {
$announcement = MediaPage::get()->filter('ParentID', $page->ID)->sort('Date DESC')->first();
if ($announcement) {
if (!$render) {
return $announcement;
} else {
return ModelAsController::controller_for($announcement)->index();
}
}
}
}
}
/**
* Assign the current attribute to each media page of the respective type.
*/
public function onBeforeWrite()
{
parent::onBeforeWrite();
// Set the original title of the current attribute for use in templates.
if (is_null($this->OriginalTitle)) {
$this->OriginalTitle = $this->Title;
}
// Retrieve the respective media type for updating all attribute references.
$parameters = Controller::curr()->getRequest()->requestVars();
$matches = array();
$result = preg_match('#TypesAttributes/item/[0-9]*/#', $parameters['url'], $matches);
if ($result) {
$ID = preg_replace('#[^0-9]#', '', $matches[0]);
$pages = MediaPage::get()->innerJoin('MediaType', 'MediaPage.MediaTypeID = MediaType.ID')->where('MediaType.ID = ' . (int) $ID);
// Apply this new attribute to existing media pages of the respective type.
if ($pages && (is_null($this->MediaPageID) || $this->MediaPageID === 0)) {
foreach ($pages as $key => $page) {
if ($key === 0) {
// Apply the current attribute to the first media page.
self::$write_flag = true;
$this->LinkID = -1;
$this->MediaPageID = $page->ID;
$page->MediaAttributes()->add($this);
} else {
// Create a new attribute for remaining media pages.
$new = MediaAttribute::create();
$new->OriginalTitle = $this->OriginalTitle;
$new->Title = $this->Title;
$new->LinkID = $this->ID;
$new->MediaPageID = $page->ID;
$page->MediaAttributes()->add($new);
$new->write();
}
}
} else {
if ($pages) {
// Confirm that a write occurrence doesn't already exist.
if (!self::$write_flag) {
foreach ($pages as $page) {
foreach ($page->MediaAttributes() as $attribute) {
// Confirm that each attribute is linked to the original attribute.
if ($attribute->LinkID == $this->ID && $attribute->Title !== $this->Title) {
// Apply the changes from this attribute.
self::$write_flag = true;
$attribute->Title = $this->Title;
$attribute->write();
}
}
}
self::$write_flag = false;
}
}
}
}
}
/**
* Retrieve a simple date filter form.
*
* @return form
*/
public function getDateFilterForm()
{
// Display a form that allows filtering from a specified date.
$children = MediaPage::get()->where('ParentID = ' . (int) $this->data()->ID);
$form = Form::create($this, 'getDateFilterForm', FieldList::create($date = DateField::create('from', '')->setConfig('showcalendar', true)->setConfig('min', $children->min('Date'))->setConfig('max', $children->max('Date'))->setAttribute('placeholder', 'From'), HiddenField::create('category'), HiddenField::create('tag')), FieldList::create(FormAction::create('dateFilter', 'Filter'), FormAction::create('clearFilters', 'Clear')));
$form->setFormMethod('get');
// Display existing request filters.
$request = $this->getRequest();
$form->loadDataFrom($request->getVars());
// Validate the date request filter, as this isn't captured on page request.
if ($from = $request->getVar('from')) {
foreach (explode('-', $from) as $segment) {
if (!is_numeric($segment)) {
$date->setValue(null);
break;
}
}
}
// Remove validation if clear has been triggered.
if ($request->getVar('action_clearFilters')) {
$form->unsetValidator();
}
// Allow extension customisation.
$this->extend('updateFilterForm', $form);
return $form;
}
/**
* Display the respective CMS media type attributes.
*/
public function getCMSFields()
{
$fields = parent::getCMSFields();
if ($this->Title) {
// Display the title as read only.
$fields->replaceField('Title', ReadonlyField::create('Title'));
$fields->addFieldToTab('Root.Main', LiteralField::create('MediaAttributesTitle', "<div class='field'><label class='left'>Custom Attributes</label></div>"));
// Allow customisation of media type attributes if a respective media page exists, depending on the current CMS user permissions.
if (MediaPage::get()->innerJoin('MediaType', 'MediaPage.MediaTypeID = MediaType.ID')->where(array('MediaType.Title = ?' => $this->Title))->exists()) {
$configuration = $this->checkPermissions() === false ? GridFieldConfig_RecordViewer::create() : GridFieldConfig_RecordEditor::create()->removeComponentsByType('GridFieldDeleteAction');
$fields->addFieldToTab('Root.Main', GridField::create('MediaAttributes', 'Custom Attributes', MediaAttribute::get()->innerJoin('MediaPage', 'MediaAttribute.MediaPageID = MediaPage.ID')->innerJoin('MediaType', 'MediaPage.MediaTypeID = MediaType.ID')->where(array('MediaType.Title = ?' => $this->Title, 'MediaAttribute.LinkID = ?' => -1)), $configuration)->setModelClass('MediaAttribute'));
} else {
// Display a notice that respective media pages should first be created.
Requirements::css(MEDIAWESOME_PATH . '/css/mediawesome.css');
$fields->addFieldToTab('Root.Main', LiteralField::create('MediaNotice', "<p class='mediawesome notice'><strong>No {$this->Title} Pages Found</strong></p>"));
}
}
// Allow extension customisation.
$this->extend('updateMediaTypeCMSFields', $fields);
return $fields;
}
