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LeftAndMain.php
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LeftAndMain.php
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<?php
/**
* @package framework
* @subpackage admin
*/
use SilverStripe\Forms\Schema\FormSchema;
use SilverStripe\Model\FieldType\DBField;
/**
* LeftAndMain is the parent class of all the two-pane views in the CMS.
* If you are wanting to add more areas to the CMS, you can do it by subclassing LeftAndMain.
*
* This is essentially an abstract class which should be subclassed.
* See {@link CMSMain} for a good example.
*
* @property FormSchema $schema
*/
class LeftAndMain extends Controller implements PermissionProvider {
/**
* The 'base' url for CMS administration areas.
* Note that if this is changed, many javascript
* behaviours need to be updated with the correct url
*
* @config
* @var string $url_base
*/
private static $url_base = "admin";
/**
* The current url segment attached to the LeftAndMain instance
*
* @config
* @var string
*/
private static $url_segment;
/**
* @config
* @var string
*/
private static $url_rule = '/$Action/$ID/$OtherID';
/**
* @config
* @var string
*/
private static $menu_title;
/**
* @config
* @var string
*/
private static $menu_icon;
/**
* @config
* @var int
*/
private static $menu_priority = 0;
/**
* @config
* @var int
*/
private static $url_priority = 50;
/**
* A subclass of {@link DataObject}.
*
* Determines what is managed in this interface, through
* {@link getEditForm()} and other logic.
*
* @config
* @var string
*/
private static $tree_class = null;
/**
* The url used for the link in the Help tab in the backend
*
* @config
* @var string
*/
private static $help_link = '//userhelp.silverstripe.org/framework/en/3.2';
/**
* @var array
*/
private static $allowed_actions = [
'index',
'save',
'savetreenode',
'getsubtree',
'updatetreenodes',
'printable',
'show',
'EditorToolbar',
'EditForm',
'AddForm',
'batchactions',
'BatchActionsForm',
'schema',
];
private static $dependencies = [
'schema' => '%$FormSchema'
];
/**
* @config
* @var Array Codes which are required from the current user to view this controller.
* If multiple codes are provided, all of them are required.
* All CMS controllers require "CMS_ACCESS_LeftAndMain" as a baseline check,
* and fall back to "CMS_ACCESS_<class>" if no permissions are defined here.
* See {@link canView()} for more details on permission checks.
*/
private static $required_permission_codes;
/**
* @config
* @var String Namespace for session info, e.g. current record.
* Defaults to the current class name, but can be amended to share a namespace in case
* controllers are logically bundled together, and mainly separated
* to achieve more flexible templating.
*/
private static $session_namespace;
/**
* Register additional requirements through the {@link Requirements} class.
* Used mainly to work around the missing "lazy loading" functionality
* for getting css/javascript required after an ajax-call (e.g. loading the editform).
*
* YAML configuration example:
* <code>
* LeftAndMain:
* extra_requirements_javascript:
* mysite/javascript/myscript.js:
* </code>
*
* @config
* @var array
*/
private static $extra_requirements_javascript = array();
/**
* YAML configuration example:
* <code>
* LeftAndMain:
* extra_requirements_css:
* mysite/css/mystyle.css:
* media: screen
* </code>
*
* @config
* @var array See {@link extra_requirements_javascript}
*/
private static $extra_requirements_css = array();
/**
* @config
* @var array See {@link extra_requirements_javascript}
*/
private static $extra_requirements_themedCss = array();
/**
* If true, call a keepalive ping every 5 minutes from the CMS interface,
* to ensure that the session never dies.
*
* @config
* @var boolean
*/
private static $session_keepalive_ping = true;
/**
* @var PjaxResponseNegotiator
*/
protected $responseNegotiator;
/**
* Gets the combined configuration of all LeafAndMain subclasses required by the client app.
*
* @return array
*
* WARNING: Experimental API
*/
public function getCombinedClientConfig() {
$combinedClientConfig = ['sections' => []];
$cmsClassNames = CMSMenu::get_cms_classes('LeftAndMain', true, CMSMenu::URL_PRIORITY);
foreach ($cmsClassNames as $className) {
$combinedClientConfig['sections'][$className] = Injector::inst()->get($className)->getClientConfig();
}
// Get "global" CSRF token for use in JavaScript
$token = SecurityToken::inst();
$combinedClientConfig[$token->getName()] = $token->getValue();
return Convert::raw2json($combinedClientConfig);
}
/**
* Returns configuration required by the client app.
*
* @return array
*
* WARNING: Experimental API
*/
public function getClientConfig() {
return [
'route' => $this->Link()
];
}
/**
* Gets a JSON schema representing the current edit form.
*
* WARNING: Experimental API.
*
* @return SS_HTTPResponse
*/
public function schema($request) {
$response = $this->getResponse();
$formName = $request->param('ID');
if(!$this->hasMethod("get{$formName}")) {
throw new SS_HTTPResponse_Exception(
'Form not found',
400
);
}
if(!$this->hasAction($formName)) {
throw new SS_HTTPResponse_Exception(
'Form not accessible',
401
);
}
$form = $this->{"get{$formName}"}();
$response->addHeader('Content-Type', 'application/json');
$response->setBody(Convert::raw2json($this->getSchemaForForm($form)));
return $response;
}
/**
* Returns a representation of the provided {@link Form} as structured data,
* based on the request data.
*
* @param Form $form
* @return array
*/
protected function getSchemaForForm(Form $form) {
$request = $this->getRequest();
$schemaParts = [];
$return = null;
// Valid values for the "X-Formschema-Request" header are "schema" and "state".
// If either of these values are set they will be stored in the $schemaParst array
// and used to construct the response body.
if ($schemaHeader = $request->getHeader('X-Formschema-Request')) {
$schemaParts = array_filter(explode(',', $schemaHeader), function($value) {
$validHeaderValues = ['schema', 'state'];
return in_array(trim($value), $validHeaderValues);
});
} else {
$schemaParts = ['schema'];
}
$return = ['id' => $form->getName()];
if (in_array('schema', $schemaParts)) {
$return['schema'] = $this->schema->getSchema($form);
}
if (in_array('state', $schemaParts)) {
$return['state'] = $this->schema->getState($form);
}
return $return;
}
/**
* @param Member $member
* @return boolean
*/
public function canView($member = null) {
if(!$member && $member !== FALSE) $member = Member::currentUser();
// cms menus only for logged-in members
if(!$member) return false;
// alternative extended checks
if($this->hasMethod('alternateAccessCheck')) {
$alternateAllowed = $this->alternateAccessCheck();
if($alternateAllowed === FALSE) return false;
}
// Check for "CMS admin" permission
if(Permission::checkMember($member, "CMS_ACCESS_LeftAndMain")) return true;
// Check for LeftAndMain sub-class permissions
$codes = array();
$extraCodes = $this->stat('required_permission_codes');
if($extraCodes !== false) { // allow explicit FALSE to disable subclass check
if($extraCodes) $codes = array_merge($codes, (array)$extraCodes);
else $codes[] = "CMS_ACCESS_$this->class";
}
foreach($codes as $code) if(!Permission::checkMember($member, $code)) return false;
return true;
}
/**
* @uses LeftAndMainExtension->init()
* @uses LeftAndMainExtension->accessedCMS()
* @uses CMSMenu
*/
public function init() {
parent::init();
Config::inst()->update('SSViewer', 'rewrite_hash_links', false);
Config::inst()->update('ContentNegotiator', 'enabled', false);
// set language
$member = Member::currentUser();
if(!empty($member->Locale)) i18n::set_locale($member->Locale);
if(!empty($member->DateFormat)) i18n::config()->date_format = $member->DateFormat;
if(!empty($member->TimeFormat)) i18n::config()->time_format = $member->TimeFormat;
// can't be done in cms/_config.php as locale is not set yet
CMSMenu::add_link(
'Help',
_t('LeftAndMain.HELP', 'Help', 'Menu title'),
$this->config()->help_link,
-2,
array(
'target' => '_blank'
)
);
// Allow customisation of the access check by a extension
// Also all the canView() check to execute Controller::redirect()
if(!$this->canView() && !$this->getResponse()->isFinished()) {
// When access /admin/, we should try a redirect to another part of the admin rather than be locked out
$menu = $this->MainMenu();
foreach($menu as $candidate) {
if(
$candidate->Link &&
$candidate->Link != $this->Link()
&& $candidate->MenuItem->controller
&& singleton($candidate->MenuItem->controller)->canView()
) {
return $this->redirect($candidate->Link);
}
}
if(Member::currentUser()) {
Session::set("BackURL", null);
}
// if no alternate menu items have matched, return a permission error
$messageSet = array(
'default' => _t(
'LeftAndMain.PERMDEFAULT',
"You must be logged in to access the administration area; please enter your credentials below."
),
'alreadyLoggedIn' => _t(
'LeftAndMain.PERMALREADY',
"I'm sorry, but you can't access that part of the CMS. If you want to log in as someone else, do"
. " so below."
),
'logInAgain' => _t(
'LeftAndMain.PERMAGAIN',
"You have been logged out of the CMS. If you would like to log in again, enter a username and"
. " password below."
),
);
return Security::permissionFailure($this, $messageSet);
}
// Don't continue if there's already been a redirection request.
if($this->redirectedTo()) return;
// Audit logging hook
if(empty($_REQUEST['executeForm']) && !$this->getRequest()->isAjax()) $this->extend('accessedCMS');
// Set the members html editor config
if(Member::currentUser()) {
HtmlEditorConfig::set_active_identifier(Member::currentUser()->getHtmlEditorConfigForCMS());
}
// Set default values in the config if missing. These things can't be defined in the config
// file because insufficient information exists when that is being processed
$htmlEditorConfig = HtmlEditorConfig::get_active();
$htmlEditorConfig->setOption('language', i18n::get_tinymce_lang());
if(!$htmlEditorConfig->getOption('content_css')) {
$cssFiles = array();
$cssFiles[] = FRAMEWORK_ADMIN_DIR . '/client/dist/styles/editor.css';
// Use theme from the site config
if(class_exists('SiteConfig') && ($config = SiteConfig::current_site_config()) && $config->Theme) {
$theme = $config->Theme;
} elseif(Config::inst()->get('SSViewer', 'theme_enabled') && Config::inst()->get('SSViewer', 'theme')) {
$theme = Config::inst()->get('SSViewer', 'theme');
} else {
$theme = false;
}
if($theme) $cssFiles[] = THEMES_DIR . "/{$theme}/css/editor.css";
else if(project()) $cssFiles[] = project() . '/css/editor.css';
// Remove files that don't exist
foreach($cssFiles as $k => $cssFile) {
if(!file_exists(BASE_PATH . '/' . $cssFile)) unset($cssFiles[$k]);
}
$htmlEditorConfig->setOption('content_css', implode(',', $cssFiles));
}
Requirements::customScript("
window.ss = window.ss || {};
window.ss.config = " . $this->getCombinedClientConfig() . ";
");
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/bundle-lib.js', [
'provides' => [
THIRDPARTY_DIR . '/jquery/jquery.js',
THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js',
THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js',
THIRDPARTY_DIR . '/jquery-cookie/jquery.cookie.js',
THIRDPARTY_DIR . '/jquery-query/jquery.query.js',
THIRDPARTY_DIR . '/jquery-form/jquery.form.js',
THIRDPARTY_DIR . '/jquery-ondemand/jquery.ondemand.js',
THIRDPARTY_DIR . '/jquery-changetracker/lib/jquery.changetracker.js',
THIRDPARTY_DIR . '/jstree/jquery.jstree.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jquery-notice/jquery.notice.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jsizes/lib/jquery.sizes.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jlayout/lib/jlayout.border.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jlayout/lib/jquery.jlayout.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/chosen/chosen/chosen.jquery.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jquery-hoverIntent/jquery.hoverIntent.js',
FRAMEWORK_DIR . '/client/dist/js/TreeDropdownField.js',
FRAMEWORK_DIR . '/client/dist/js/DateField.js',
FRAMEWORK_DIR . '/client/dist/js/HtmlEditorField.js',
FRAMEWORK_DIR . '/client/dist/js/TabSet.js',
FRAMEWORK_DIR . '/client/dist/js/GridField.js',
FRAMEWORK_DIR . '/client/dist/js/i18n.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/sspath.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/ssui.core.js',
]
]);
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/bundle-legacy.js', [
'provides' => [
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Layout.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.ActionTabSet.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Panel.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Tree.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Content.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.EditForm.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Menu.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Preview.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.BatchActions.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.FieldHelp.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.FieldDescriptionToggle.js',
FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.TreeDropdownField.js'
]
]);
Requirements::add_i18n_javascript(FRAMEWORK_DIR . '/javascript/lang', false, true);
Requirements::add_i18n_javascript(FRAMEWORK_ADMIN_DIR . '/client/lang', false, true);
if ($this->config()->session_keepalive_ping) {
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/LeftAndMain.Ping.js');
}
if (Director::isDev()) {
// TODO Confuses jQuery.ondemand through document.write()
Requirements::javascript(THIRDPARTY_DIR . '/jquery-entwine/src/jquery.entwine.inspector.js');
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/leaktools.js');
}
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/client/dist/js/bundle-framework.js');
Requirements::css(FRAMEWORK_ADMIN_DIR . '/thirdparty/jquery-notice/jquery.notice.css');
Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css');
Requirements::css(THIRDPARTY_DIR . '/jstree/themes/apple/style.css');
Requirements::css(FRAMEWORK_DIR . '/client/dist/styles/TreeDropdownField.css');
Requirements::css(FRAMEWORK_ADMIN_DIR . '/client/dist/styles/bundle.css');
Requirements::css(FRAMEWORK_DIR . '/client/dist/styles/GridField.css');
// Custom requirements
$extraJs = $this->stat('extra_requirements_javascript');
if($extraJs) {
foreach($extraJs as $file => $config) {
if(is_numeric($file)) {
$file = $config;
}
Requirements::javascript($file);
}
}
$extraCss = $this->stat('extra_requirements_css');
if($extraCss) {
foreach($extraCss as $file => $config) {
if(is_numeric($file)) {
$file = $config;
$config = array();
}
Requirements::css($file, isset($config['media']) ? $config['media'] : null);
}
}
$extraThemedCss = $this->stat('extra_requirements_themedCss');
if($extraThemedCss) {
foreach ($extraThemedCss as $file => $config) {
if(is_numeric($file)) {
$file = $config;
$config = array();
}
Requirements::themedCSS($file, isset($config['media']) ? $config['media'] : null);
}
}
$dummy = null;
$this->extend('init', $dummy);
// The user's theme shouldn't affect the CMS, if, for example, they have
// replaced TableListField.ss or Form.ss.
Config::inst()->update('SSViewer', 'theme_enabled', false);
//set the reading mode for the admin to stage
Versioned::set_stage(Versioned::DRAFT);
}
public function handleRequest(SS_HTTPRequest $request, DataModel $model = null) {
try {
$response = parent::handleRequest($request, $model);
} catch(ValidationException $e) {
// Nicer presentation of model-level validation errors
$msgs = _t('LeftAndMain.ValidationError', 'Validation error') . ': '
. $e->getMessage();
$e = new SS_HTTPResponse_Exception($msgs, 403);
$errorResponse = $e->getResponse();
$errorResponse->addHeader('Content-Type', 'text/plain');
$errorResponse->addHeader('X-Status', rawurlencode($msgs));
$e->setResponse($errorResponse);
throw $e;
}
$title = $this->Title();
if(!$response->getHeader('X-Controller')) $response->addHeader('X-Controller', $this->class);
if(!$response->getHeader('X-Title')) $response->addHeader('X-Title', urlencode($title));
// Prevent clickjacking, see https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
$originalResponse = $this->getResponse();
$originalResponse->addHeader('X-Frame-Options', 'SAMEORIGIN');
$originalResponse->addHeader('Vary', 'X-Requested-With');
return $response;
}
/**
* Overloaded redirection logic to trigger a fake redirect on ajax requests.
* While this violates HTTP principles, its the only way to work around the
* fact that browsers handle HTTP redirects opaquely, no intervention via JS is possible.
* In isolation, that's not a problem - but combined with history.pushState()
* it means we would request the same redirection URL twice if we want to update the URL as well.
* See LeftAndMain.js for the required jQuery ajaxComplete handlers.
*/
public function redirect($url, $code=302) {
if($this->getRequest()->isAjax()) {
$response = $this->getResponse();
$response->addHeader('X-ControllerURL', $url);
if($this->getRequest()->getHeader('X-Pjax') && !$response->getHeader('X-Pjax')) {
$response->addHeader('X-Pjax', $this->getRequest()->getHeader('X-Pjax'));
}
$newResponse = new LeftAndMain_HTTPResponse(
$response->getBody(),
$response->getStatusCode(),
$response->getStatusDescription()
);
foreach($response->getHeaders() as $k => $v) {
$newResponse->addHeader($k, $v);
}
$newResponse->setIsFinished(true);
$this->setResponse($newResponse);
return ''; // Actual response will be re-requested by client
} else {
parent::redirect($url, $code);
}
}
public function index($request) {
return $this->getResponseNegotiator()->respond($request);
}
/**
* If this is set to true, the "switchView" context in the
* template is shown, with links to the staging and publish site.
*
* @return boolean
*/
public function ShowSwitchView() {
return false;
}
//------------------------------------------------------------------------------------------//
// Main controllers
/**
* You should implement a Link() function in your subclass of LeftAndMain,
* to point to the URL of that particular controller.
*
* @return string
*/
public function Link($action = null) {
// Handle missing url_segments
if($this->config()->url_segment) {
$segment = $this->config()->get('url_segment', Config::FIRST_SET);
} else {
$segment = $this->class;
};
$link = Controller::join_links(
$this->stat('url_base', true),
$segment,
'/', // trailing slash needed if $action is null!
"$action"
);
$this->extend('updateLink', $link);
return $link;
}
/**
* Returns the menu title for the given LeftAndMain subclass.
* Implemented static so that we can get this value without instantiating an object.
* Menu title is *not* internationalised.
*/
public static function menu_title_for_class($class) {
$title = Config::inst()->get($class, 'menu_title', Config::FIRST_SET);
if(!$title) $title = preg_replace('/Admin$/', '', $class);
return $title;
}
/**
* Return styling for the menu icon, if a custom icon is set for this class
*
* Example: static $menu-icon = '/path/to/image/';
* @param string $class
* @return string
*/
public static function menu_icon_for_class($class) {
$icon = Config::inst()->get($class, 'menu_icon', Config::FIRST_SET);
if (!empty($icon)) {
$class = strtolower(Convert::raw2htmlname(str_replace('\\', '-', $class)));
return ".icon.icon-16.icon-{$class} { background-image: url('{$icon}'); } ";
}
return '';
}
public function show($request) {
// TODO Necessary for TableListField URLs to work properly
if($request->param('ID')) $this->setCurrentPageID($request->param('ID'));
return $this->getResponseNegotiator()->respond($request);
}
/**
* Caution: Volatile API.
*
* @return PjaxResponseNegotiator
*/
public function getResponseNegotiator() {
if(!$this->responseNegotiator) {
$controller = $this;
$this->responseNegotiator = new PjaxResponseNegotiator(
array(
'CurrentForm' => function() use(&$controller) {
return $controller->getEditForm()->forTemplate();
},
'Content' => function() use(&$controller) {
return $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
},
'Breadcrumbs' => function() use (&$controller) {
return $controller->renderWith('CMSBreadcrumbs');
},
'default' => function() use(&$controller) {
return $controller->renderWith($controller->getViewer('show'));
}
),
$this->getResponse()
);
}
return $this->responseNegotiator;
}
//------------------------------------------------------------------------------------------//
// Main UI components
/**
* Returns the main menu of the CMS. This is also used by init()
* to work out which sections the user has access to.
*
* @param Boolean
* @return SS_List
*/
public function MainMenu($cached = true) {
if(!isset($this->_cache_MainMenu) || !$cached) {
// Don't accidentally return a menu if you're not logged in - it's used to determine access.
if(!Member::currentUser()) return new ArrayList();
// Encode into DO set
$menu = new ArrayList();
$menuItems = CMSMenu::get_viewable_menu_items();
// extra styling for custom menu-icons
$menuIconStyling = '';
if($menuItems) {
foreach($menuItems as $code => $menuItem) {
// alternate permission checks (in addition to LeftAndMain->canView())
if(
isset($menuItem->controller)
&& $this->hasMethod('alternateMenuDisplayCheck')
&& !$this->alternateMenuDisplayCheck($menuItem->controller)
) {
continue;
}
$linkingmode = "link";
if($menuItem->controller && get_class($this) == $menuItem->controller) {
$linkingmode = "current";
} else if(strpos($this->Link(), $menuItem->url) !== false) {
if($this->Link() == $menuItem->url) {
$linkingmode = "current";
// default menu is the one with a blank {@link url_segment}
} else if(singleton($menuItem->controller)->stat('url_segment') == '') {
if($this->Link() == $this->stat('url_base').'/') {
$linkingmode = "current";
}
} else {
$linkingmode = "current";
}
}
// already set in CMSMenu::populate_menu(), but from a static pre-controller
// context, so doesn't respect the current user locale in _t() calls - as a workaround,
// we simply call LeftAndMain::menu_title_for_class() again
// if we're dealing with a controller
if($menuItem->controller) {
$defaultTitle = LeftAndMain::menu_title_for_class($menuItem->controller);
$title = _t("{$menuItem->controller}.MENUTITLE", $defaultTitle);
} else {
$title = $menuItem->title;
}
// Provide styling for custom $menu-icon. Done here instead of in
// CMSMenu::populate_menu(), because the icon is part of
// the CMS right pane for the specified class as well...
if($menuItem->controller) {
$menuIcon = LeftAndMain::menu_icon_for_class($menuItem->controller);
if (!empty($menuIcon)) $menuIconStyling .= $menuIcon;
}
$menu->push(new ArrayData(array(
"MenuItem" => $menuItem,
"AttributesHTML" => $menuItem->getAttributesHTML(),
"Title" => Convert::raw2xml($title),
"Code" => DBField::create_field('Text', $code),
"Link" => $menuItem->url,
"LinkingMode" => $linkingmode
)));
}
}
if ($menuIconStyling) Requirements::customCSS($menuIconStyling);
$this->_cache_MainMenu = $menu;
}
return $this->_cache_MainMenu;
}
public function Menu() {
return $this->renderWith($this->getTemplatesWithSuffix('_Menu'));
}
/**
* @todo Wrap in CMSMenu instance accessor
* @return ArrayData A single menu entry (see {@link MainMenu})
*/
public function MenuCurrentItem() {
$items = $this->MainMenu();
return $items->find('LinkingMode', 'current');
}
/**
* Return a list of appropriate templates for this class, with the given suffix using
* {@link SSViewer::get_templates_by_class()}
*
* @return array
*/
public function getTemplatesWithSuffix($suffix) {
return SSViewer::get_templates_by_class(get_class($this), $suffix, 'LeftAndMain');
}
public function Content() {
return $this->renderWith($this->getTemplatesWithSuffix('_Content'));
}
public function getRecord($id) {
$className = $this->stat('tree_class');
if($className && $id instanceof $className) {
return $id;
} else if($className && $id == 'root') {
return singleton($className);
} else if($className && is_numeric($id)) {
return DataObject::get_by_id($className, $id);
} else {
return false;
}
}
/**
* @return ArrayList
*/
public function Breadcrumbs($unlinked = false) {
$defaultTitle = LeftAndMain::menu_title_for_class($this->class);
$title = _t("{$this->class}.MENUTITLE", $defaultTitle);
$items = new ArrayList(array(
new ArrayData(array(
'Title' => $title,
'Link' => ($unlinked) ? false : $this->Link()
))
));
$record = $this->currentPage();
if($record && $record->exists()) {
if($record->hasExtension('Hierarchy')) {
$ancestors = $record->getAncestors();
$ancestors = new ArrayList(array_reverse($ancestors->toArray()));
$ancestors->push($record);
foreach($ancestors as $ancestor) {
$items->push(new ArrayData(array(
'Title' => ($ancestor->MenuTitle) ? $ancestor->MenuTitle : $ancestor->Title,
'Link' => ($unlinked) ? false : Controller::join_links($this->Link('show'), $ancestor->ID)
)));
}
} else {
$items->push(new ArrayData(array(
'Title' => ($record->MenuTitle) ? $record->MenuTitle : $record->Title,
'Link' => ($unlinked) ? false : Controller::join_links($this->Link('show'), $record->ID)
)));
}
}
return $items;
}
/**
* @return String HTML
*/
public function SiteTreeAsUL() {
$html = $this->getSiteTreeFor($this->stat('tree_class'));
$this->extend('updateSiteTreeAsUL', $html);
return $html;
}
/**
* Gets the current search filter for this request, if available
*
* @throws InvalidArgumentException
* @return LeftAndMain_SearchFilter
*/
protected function getSearchFilter() {
// Check for given FilterClass
$params = $this->getRequest()->getVar('q');
if(empty($params['FilterClass'])) {
return null;
}
// Validate classname
$filterClass = $params['FilterClass'];
$filterInfo = new ReflectionClass($filterClass);
if(!$filterInfo->implementsInterface('LeftAndMain_SearchFilter')) {
throw new InvalidArgumentException(sprintf('Invalid filter class passed: %s', $filterClass));
}
return Injector::inst()->createWithArgs($filterClass, array($params));
}
/**
* Get a site tree HTML listing which displays the nodes under the given criteria.
*
* @param $className The class of the root object
* @param $rootID The ID of the root object. If this is null then a complete tree will be
* shown
* @param $childrenMethod The method to call to get the children of the tree. For example,
* Children, AllChildrenIncludingDeleted, or AllHistoricalChildren
* @return String Nested unordered list with links to each page
*/
public function getSiteTreeFor($className, $rootID = null, $childrenMethod = null, $numChildrenMethod = null,
$filterFunction = null, $nodeCountThreshold = 30) {
// Filter criteria
$filter = $this->getSearchFilter();
// Default childrenMethod and numChildrenMethod
if(!$childrenMethod) $childrenMethod = ($filter && $filter->getChildrenMethod())
? $filter->getChildrenMethod()
: 'AllChildrenIncludingDeleted';
if(!$numChildrenMethod) {
$numChildrenMethod = 'numChildren';
if($filter && $filter->getNumChildrenMethod()) {
$numChildrenMethod = $filter->getNumChildrenMethod();
}
}
if(!$filterFunction && $filter) {
$filterFunction = function($node) use($filter) {
return $filter->isPageIncluded($node);
};
}
// Get the tree root
$record = ($rootID) ? $this->getRecord($rootID) : null;
$obj = $record ? $record : singleton($className);
// Get the current page
// NOTE: This *must* be fetched before markPartialTree() is called, as this
// causes the Hierarchy::$marked cache to be flushed (@see CMSMain::getRecord)
// which means that deleted pages stored in the marked tree would be removed
$currentPage = $this->currentPage();
// Mark the nodes of the tree to return
if ($filterFunction) $obj->setMarkingFilterFunction($filterFunction);
$obj->markPartialTree($nodeCountThreshold, $this, $childrenMethod, $numChildrenMethod);
// Ensure current page is exposed
if($currentPage) $obj->markToExpose($currentPage);
// NOTE: SiteTree/CMSMain coupling :-(
if(class_exists('SiteTree')) {
SiteTree::prepopulate_permission_cache('CanEditType', $obj->markedNodeIDs(),
'SiteTree::can_edit_multiple');
}
// getChildrenAsUL is a flexible and complex way of traversing the tree
$controller = $this;
$recordController = ($this->stat('tree_class') == 'SiteTree') ? singleton('CMSPageEditController') : $this;
$titleFn = function(&$child, $numChildrenMethod) use(&$controller, &$recordController, $filter) {
$link = Controller::join_links($recordController->Link("show"), $child->ID);
$node = LeftAndMain_TreeNode::create($child, $link, $controller->isCurrentPage($child), $numChildrenMethod, $filter);
return $node->forTemplate();
};
// Limit the amount of nodes shown for performance reasons.
// Skip the check if we're filtering the tree, since its not clear how many children will
// match the filter criteria until they're queried (and matched up with previously marked nodes).
$nodeThresholdLeaf = Config::inst()->get('Hierarchy', 'node_threshold_leaf');
if($nodeThresholdLeaf && !$filterFunction) {
$nodeCountCallback = function($parent, $numChildren) use(&$controller, $className, $nodeThresholdLeaf) {
if($className == 'SiteTree' && $parent->ID && $numChildren > $nodeThresholdLeaf) {
return sprintf(
'<ul><li class="readonly"><span class="item">'
. '%s (<a href="%s" class="cms-panel-link" data-pjax-target="Content">%s</a>)'
. '</span></li></ul>',
_t('LeftAndMain.TooManyPages', 'Too many pages'),
Controller::join_links(
$controller->LinkWithSearch($controller->Link()), '
?view=list&ParentID=' . $parent->ID
),
_t(
'LeftAndMain.ShowAsList',
'show as list',
'Show large amount of pages in list instead of tree view'
)
);
}
};
} else {
$nodeCountCallback = null;
}