protected function Init()
{
$this->page = new Page(Request::GetData('page'));
$selectedID = Request::GetData('selected');
$this->selected = $selectedID ? PageContent::Schema()->ByID($selectedID) : null;
if (!$this->page->Exists()) {
Response::Redirect(BackendRouter::ModuleUrl(new SiteList()));
return true;
}
$this->area = new Area(Request::GetData('area'));
if (!$this->area->Exists()) {
$params = array('site' => $this->page->GetSite()->GetID());
Response::Redirect(BackendRouter::ModuleUrl(new PageTree(), $params));
return true;
}
$this->tree = new PageContentTreeProvider($this->page, $this->area);
$this->pageContent = $this->tree->TopMost();
$this->hasContents = (bool) $this->pageContent;
return parent::Init();
}
/**
* Creates a new page url selector
* @param string $prefix The prefix
* @param string $label The selector label
* @param Page $page The pre-selected page
*/
function __construct($prefix, $label = '', Page $page = null)
{
$this->disabledPageIDs = array();
$this->prefix = $prefix;
$this->label = $label;
$this->site = null;
$this->pageField = Input::Hidden($prefix . 'Page');
if ($page && $page->Exists()) {
$this->name = $page->GetName();
$this->pageField->SetValue($page->GetID());
}
}
/**
* The link for the back button
* @return string Returns the url to the page tree
*/
protected function BackLink()
{
$params = array('site' => $this->site->GetID());
if ($this->page->Exists()) {
$params['selected'] = $this->page->GetID();
} else {
if ($this->previous) {
$params['selected'] = $this->previous->GetID();
} else {
if ($this->parent) {
$params['selected'] = $this->parent->GetID();
}
}
}
return BackendRouter::ModuleUrl(new PageTree(), $params);
}
/**
* Gets the page's member groups
* @param Page $page
* @return Membergroup[] Returns the member groups assigned to the page
*/
static function PageMembergroups(Page $page)
{
if (!$page->Exists()) {
return array();
}
$sql = Access::SqlBuilder();
$tblPmg = PageMembergroup::Schema()->Table();
$tblMg = Membergroup::Schema()->Table();
$join = $sql->Join($tblPmg);
$joinCondition = $sql->Equals($tblPmg->Field('MemberGroup'), $tblMg->Field('ID'));
$where = $sql->Equals($tblPmg->Field('Page'), $sql->Value($page->GetID()));
$orderBy = $sql->OrderList($sql->OrderAsc($tblMg->Field('Name')));
return Membergroup::Schema()->Fetch(false, $where, $orderBy, null, 0, null, $join, JoinType::Inner(), $joinCondition);
}