silverstripe-subsites/code/extensions/LeftAndMainSubsites.php

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<?php
/**
* Decorator designed to add subsites support to LeftAndMain
*
* @package subsites
*/
class LeftAndMainSubsites extends Extension {
private static $allowed_actions = array('CopyToSubsite');
function init() {
//Use the session variable for current subsite in the CMS only
Subsite::$use_session_subsiteid = true;
Requirements::css('subsites/css/LeftAndMain_Subsites.css');
Requirements::javascript('subsites/javascript/LeftAndMain_Subsites.js');
Requirements::javascript('subsites/javascript/VirtualPage_Subsites.js');
if(isset($_GET['SubsiteID'])) {
// Clear current page when subsite changes (or is set for the first time)
if(!Session::get('SubsiteID') || $_GET['SubsiteID'] != Session::get('SubsiteID')) {
Session::clear("{$this->owner->class}.currentPage");
}
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// Update current subsite in session
Subsite::changeSubsite($_GET['SubsiteID']);
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//Redirect to clear the current page
return $this->owner->redirect('admin/');
}
// Set subsite ID based on currently shown record
$req = $this->owner->getRequest();
$id = $req->param('ID');
if($id && is_numeric($id)) {
$record = DataObject::get_by_id($this->owner->stat('tree_class'), $id);
if($record) Session::set('SubsiteID', $record->SubsiteID);
}
}
/**
* Set the title of the CMS tree
*/
function getCMSTreeTitle() {
$subsite = Subsite::currentSubSite();
return $subsite ? Convert::raw2xml($subsite->Title) : _t('LeftAndMain.SITECONTENTLEFT');
}
function updatePageOptions(&$fields) {
$fields->push(new HiddenField('SubsiteID', 'SubsiteID', Subsite::currentSubsiteID()));
}
public function Subsites() {
// figure out what permission the controller needs
// Subsite::accessible_sites() expects something, so if there's no permission
// then fallback to using CMS_ACCESS_LeftAndMain.
$permission = 'CMS_ACCESS_' . $this->owner->class;
$available = Permission::get_codes(false);
if(!isset($available[$permission])) {
$permission = $this->owner->stat('required_permission_codes');
if(!$permission) {
$permission = 'CMS_ACCESS_LeftAndMain';
}
}
switch($this->owner->class) {
case "AssetAdmin":
$subsites = Subsite::accessible_sites($permission, true, "Shared files & images");
break;
case "SecurityAdmin":
$subsites = Subsite::accessible_sites($permission, true, "Groups accessing all sites");
if($subsites->find('ID',0)) {
$subsites->push(new ArrayData(array('Title' => 'All groups', 'ID' => -1)));
}
break;
case "CMSMain":
case "CMSPagesController":
// If there's a default site then main site has no meaning
$showMainSite = !DataObject::get_one('Subsite',"\"DefaultSite\"=1");
$subsites = Subsite::accessible_sites($permission, $showMainSite);
break;
case "SubsiteAdmin":
$subsites = Subsite::accessible_sites('ADMIN', true);
break;
default:
$subsites = Subsite::accessible_sites($permission);
break;
}
return $subsites;
}
public function SubsiteList() {
$list = $this->Subsites();
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$currentSubsiteID = Subsite::currentSubsiteID();
if($list->Count() > 1) {
$output = '<div class="field dropdown">';
$output .= '<select id="SubsitesSelect">';
foreach($list as $subsite) {
$selected = $subsite->ID == $currentSubsiteID ? ' selected="selected"' : '';
$output .= "\n<option value=\"{$subsite->ID}\"$selected>". Convert::raw2xml($subsite->Title) . "</option>";
}
$output .= '</select></div>';
Requirements::javascript('subsites/javascript/LeftAndMain_Subsites.js');
return $output;
} elseif($list->Count() == 1) {
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if($list->First()->DefaultSite==false) {
$output = '<div class="field dropdown">';
$output .= '<select id="SubsitesSelect">';
$output .= "\n<option value=\"0\">". _t('LeftAndMainSubsites.DEFAULT_SITE', 'Default site') . "</option>";
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foreach($list as $subsite) {
$selected = $subsite->ID == $currentSubsiteID ? ' selected="selected"' : '';
$output .= "\n<option value=\"{$subsite->ID}\"$selected>". Convert::raw2xml($subsite->Title) . "</option>";
}
$output .= '</select></div>';
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Requirements::javascript('subsites/javascript/LeftAndMain_Subsites.js');
return $output;
} else {
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return '<span>'.$list->First()->Title.'</span>';
}
}
}
public function CanAddSubsites() {
return Permission::check("ADMIN", "any", null, "all");
}
/**
* Alternative security checker for LeftAndMain.
* If security isn't found, then it will switch to a subsite where we do have access.
*/
public function alternateAccessCheck() {
$className = $this->owner->class;
// Switch to the subsite of the current page
if ($this->owner->class == 'CMSMain' && $currentPage = $this->owner->currentPage()) {
if (Subsite::currentSubsiteID() != $currentPage->SubsiteID) {
Subsite::changeSubsite($currentPage->SubsiteID);
}
}
// Switch to a subsite that this user can actually access.
$member = Member::currentUser();
if($member && Permission::checkMember($member, 'ADMIN')) return true; // admin can access all subsites
$sites = Subsite::accessible_sites("CMS_ACCESS_{$this->owner->class}", true)->map('ID', 'Title');
if(is_object($sites)) $sites = $sites->toArray();
if($sites && !isset($sites[Subsite::currentSubsiteID()])) {
$siteIDs = array_keys($sites);
Subsite::changeSubsite($siteIDs[0]);
return true;
}
// Switch to a different top-level menu item
$menu = CMSMenu::get_menu_items();
foreach($menu as $candidate) {
if($candidate->controller != $this->owner->class) {
$sites = Subsite::accessible_sites("CMS_ACCESS_{$candidate->controller}", true)->map('ID', 'Title');
if(is_object($sites)) $sites = $sites->toArray();
if($sites && !isset($sites[Subsite::currentSubsiteID()])) {
$siteIDs = array_keys($sites);
Subsite::changeSubsite($siteIDs[0]);
$cClass = $candidate->controller;
$cObj = new $cClass();
$this->owner->redirect($cObj->Link());
return null;
}
}
}
// If all of those fail, you really don't have access to the CMS
return null;
}
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function augmentNewSiteTreeItem(&$item) {
$item->SubsiteID = isset($_POST['SubsiteID']) ? $_POST['SubsiteID'] : Subsite::currentSubsiteID();
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}
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function onAfterSave($record) {
if($record->hasMethod('NormalRelated') && ($record->NormalRelated() || $record->ReverseRelated())) {
$this->owner->response->addHeader('X-Status', rawurlencode(_t('LeftAndMainSubsites.Saved', 'Saved, please update related pages.')));
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}
}
function copytosubsite($data, $form) {
$page = DataObject::get_by_id('SiteTree', $data['ID']);
$subsite = DataObject::get_by_id('Subsite', $data['CopyToSubsiteID']);
$newPage = $page->duplicateToSubsite($subsite->ID, true);
$response = $this->owner->getResponse();
$response->addHeader('X-Reload', true);
return $this->owner->redirect(Controller::join_links($this->owner->Link('show'), $newPage->ID));
}
}