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LeftAndMain.php
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LeftAndMain.php
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<?php
/**
* 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.
*
* @package cms
* @subpackage core
*/
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
*
* @var string $url_base
*/
static $url_base = "admin";
/**
* The current url segment attached to the LeftAndMain instance
*
* @var string
*/
static $url_segment;
/**
* @var string
*/
static $url_rule = '/$Action/$ID/$OtherID';
/**
* @var string
*/
static $menu_title;
/**
* @var int
*/
static $menu_priority = 0;
/**
* @var int
*/
static $url_priority = 50;
/**
* A subclass of {@link DataObject}.
*
* Determines what is managed in this interface, through
* {@link getEditForm()} and other logic.
*
* @var string
*/
static $tree_class = null;
/**
* The url used for the link in the Help tab in the backend
*
* @var string
*/
static $help_link = 'http://3.0.userhelp.silverstripe.org';
/**
* @var array
*/
static $allowed_actions = array(
'index',
'save',
'savetreenode',
'getsubtree',
'updatetreenodes',
'printable',
'show',
'ping',
'EditorToolbar',
'EditForm',
'AddForm',
'batchactions',
'BatchActionsForm',
'Member_ProfileForm',
);
/**
* @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.
*/
static $required_permission_codes;
/**
* 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).
*
* @var array $extra_requirements
*/
protected static $extra_requirements = array(
'javascript' => array(),
'css' => array(),
'themedcss' => array(),
);
/**
* @var PjaxResponseNegotiator
*/
protected $responseNegotiator;
/**
* @param Member $member
* @return boolean
*/
function canView($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
*/
function init() {
parent::init();
SSViewer::setOption('rewriteHashlinks', false);
// set language
$member = Member::currentUser();
if(!empty($member->Locale)) i18n::set_locale($member->Locale);
if(!empty($member->DateFormat)) i18n::set_date_format($member->DateFormat);
if(!empty($member->TimeFormat)) i18n::set_time_format($member->TimeFormat);
// can't be done in cms/_config.php as locale is not set yet
CMSMenu::add_link(
'Help',
_t('LeftAndMain.HELP', 'Help', 'Menu title'),
self::$help_link
);
// Allow customisation of the access check by a extension
// Also all the canView() check to execute Controller::redirect()
if(!$this->canView() && !$this->response->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
$messageSet = array(
'default' => _t('LeftAndMain.PERMDEFAULT',"Please choose an authentication method and enter your credentials to access the CMS."),
'alreadyLoggedIn' => _t('LeftAndMain.PERMALREADY',"I'm sorry, but you can't access that part of the CMS. If you want to log in as someone else, do so below"),
'logInAgain' => _t('LeftAndMain.PERMAGAIN',"You have been logged out of the CMS. If you would like to log in again, enter a username and password below."),
);
return Security::permissionFailure($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->request->isAjax()) $this->extend('accessedCMS');
// Set the members html editor config
HtmlEditorConfig::set_active(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();
$cssFiles[] = FRAMEWORK_ADMIN_DIR . '/css/editor.css';
// Use theme from the site config
if(class_exists('SiteConfig') && ($config = SiteConfig::current_site_config()) && $config->Theme) {
$theme = $config->Theme;
} elseif(SSViewer::current_theme()) {
$theme = SSViewer::current_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));
}
// Using uncompressed files as they'll be processed by JSMin in the Requirements class.
// Not as effective as other compressors or pre-compressed+finetuned files,
// but overall the unified minification into a single file brings more performance benefits
// than a couple of saved bytes (after gzip) in individual files.
// We also re-compress already compressed files through JSMin as this causes weird runtime bugs.
Requirements::combine_files(
'lib.js',
array(
THIRDPARTY_DIR . '/jquery/jquery.js',
FRAMEWORK_DIR . '/javascript/jquery-ondemand/jquery.ondemand.js',
FRAMEWORK_ADMIN_DIR . '/javascript/lib.js',
THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js',
THIRDPARTY_DIR . '/json-js/json2.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',
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/history-js/scripts/uncompressed/history.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/history-js/scripts/uncompressed/history.adapter.jquery.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/history-js/scripts/uncompressed/history.html4.js',
THIRDPARTY_DIR . '/jstree/jquery.jstree.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/chosen/chosen/chosen.jquery.js',
FRAMEWORK_ADMIN_DIR . '/thirdparty/jquery-hoverIntent/jquery.hoverIntent.js',
FRAMEWORK_ADMIN_DIR . '/javascript/jquery-changetracker/lib/jquery.changetracker.js',
FRAMEWORK_DIR . '/javascript/TreeDropdownField.js',
FRAMEWORK_DIR . '/javascript/DateField.js',
FRAMEWORK_DIR . '/javascript/HtmlEditorField.js',
FRAMEWORK_DIR . '/javascript/TabSet.js',
FRAMEWORK_DIR . '/javascript/i18n.js',
FRAMEWORK_ADMIN_DIR . '/javascript/ssui.core.js',
FRAMEWORK_DIR . '/javascript/GridField.js',
)
);
if (Director::isDev()) Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/javascript/leaktools.js');
HTMLEditorField::include_js();
Requirements::combine_files(
'leftandmain.js',
array_unique(array_merge(
array(
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Panel.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Tree.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Ping.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Content.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.EditForm.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Menu.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.AddForm.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.Preview.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.BatchActions.js',
FRAMEWORK_ADMIN_DIR . '/javascript/LeftAndMain.FieldHelp.js',
),
Requirements::add_i18n_javascript(FRAMEWORK_DIR . '/javascript/lang', true, true),
Requirements::add_i18n_javascript(FRAMEWORK_ADMIN_DIR . '/javascript/lang', true, true)
))
);
// TODO Confuses jQuery.ondemand through document.write()
if (Director::isDev()) {
Requirements::javascript(THIRDPARTY_DIR . '/jquery-entwine/src/jquery.entwine.inspector.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(FRAMEWORK_ADMIN_DIR .'/thirdparty/chosen/chosen/chosen.css');
Requirements::css(THIRDPARTY_DIR . '/jstree/themes/apple/style.css');
Requirements::css(FRAMEWORK_DIR . '/css/TreeDropdownField.css');
Requirements::css(FRAMEWORK_ADMIN_DIR . '/css/screen.css');
Requirements::css(FRAMEWORK_DIR . '/css/GridField.css');
// Browser-specific requirements
$ie = isset($_SERVER['HTTP_USER_AGENT']) ? strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') : false;
if($ie) {
$version = substr($_SERVER['HTTP_USER_AGENT'], $ie + 5, 3);
if($version == 7) Requirements::css(FRAMEWORK_ADMIN_DIR . '/css/ie7.css');
else if($version == 8) Requirements::css(FRAMEWORK_ADMIN_DIR . '/css/ie8.css');
}
// Custom requirements
foreach (self::$extra_requirements['javascript'] as $file) {
Requirements::javascript($file[0]);
}
foreach (self::$extra_requirements['css'] as $file) {
Requirements::css($file[0], $file[1]);
}
foreach (self::$extra_requirements['themedcss'] as $file) {
Requirements::themedCSS($file[0], $file[1]);
}
$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.
SSViewer::set_theme(null);
}
function handleRequest(SS_HTTPRequest $request, DataModel $model = null) {
$response = parent::handleRequest($request, $model);
$title = $this->Title();
if(!$response->getHeader('X-Controller')) $response->addHeader('X-Controller', $this->class);
if(!$response->getHeader('X-Title')) $response->addHeader('X-Title', $title);
return $response;
}
/**
* Overloaded redirection logic to trigger a fake redirect on ajax requests.
* While this violates HTTP principles, its the only way to work around the
* fact that browsers handle HTTP redirects opaquely, no intervention via JS is possible.
* In isolation, that's not a problem - but combined with history.pushState()
* it means we would request the same redirection URL twice if we want to update the URL as well.
* See LeftAndMain.js for the required jQuery ajaxComplete handlers.
*/
function redirect($url, $code=302) {
if($this->request->isAjax()) {
$this->response->addHeader('X-ControllerURL', $url);
if($this->request->getHeader('X-Pjax') && !$this->response->getHeader('X-Pjax')) {
$this->response->addHeader('X-Pjax', $this->request->getHeader('X-Pjax'));
}
$oldResponse = $this->response;
$newResponse = new LeftAndMain_HTTPResponse(
$oldResponse->getBody(),
$oldResponse->getStatusCode(),
$oldResponse->getStatusDescription()
);
foreach($oldResponse->getHeaders() as $k => $v) {
$newResponse->addHeader($k, $v);
}
$newResponse->setIsFinished(true);
$this->response = $newResponse;
return ''; // Actual response will be re-requested by client
} else {
parent::redirect($url, $code);
}
}
function index($request) {
return $this->getResponseNegotiator()->respond($request);
}
/**
* admin/ping can be visited with ajax to keep a session alive.
* This is used in the CMS.
*/
function ping() {
return 1;
}
/**
* If this is set to true, the "switchView" context in the
* template is shown, with links to the staging and publish site.
*
* @return boolean
*/
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->stat('url_segment', true)) self::$url_segment = $this->class;
$link = Controller::join_links(
$this->stat('url_base', true),
$this->stat('url_segment', true),
'/', // trailing slash needed if $action is null!
"$action"
);
$this->extend('updateLink', $link);
return $link;
}
/**
* Returns the menu title for the given LeftAndMain subclass.
* Implemented static so that we can get this value without instantiating an object.
* Menu title is *not* internationalised.
*/
static function menu_title_for_class($class) {
$title = Config::inst()->get($class, 'menu_title', Config::FIRST_SET);
if(!$title) $title = preg_replace('/Admin$/', '', $class);
return $title;
}
public function show($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->response
);
}
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();
$menuItems = CMSMenu::get_viewable_menu_items();
if($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;
}
$menu->push(new ArrayData(array(
"MenuItem" => $menuItem,
"Title" => Convert::raw2xml($title),
"Code" => DBField::create_field('Text', $code),
"Link" => $menuItem->url,
"LinkingMode" => $linkingmode
)));
}
}
$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 $items->find('LinkingMode', 'current');
}
/**
* Return a list of appropriate templates for this class, with the given suffix
*/
public function getTemplatesWithSuffix($suffix) {
$templates = array();
$classes = array_reverse(ClassInfo::ancestry($this->class));
foreach($classes as $class) {
$template = $class . $suffix;
if(SSViewer::hasTemplate($template)) $templates[] = $template;
if($class == 'LeftAndMain') break;
}
return $templates;
}
public function Content() {
return $this->renderWith($this->getTemplatesWithSuffix('_Content'));
}
public function getRecord($id) {
$className = $this->stat('tree_class');
if($className && $id instanceof $className) {
return $id;
} else if($id == 'root') {
return singleton($className);
} else if(is_numeric($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' => $ancestor->Title,
'Link' => ($unlinked) ? false : Controller::join_links($this->Link('show'), $ancestor->ID)
)));
}
} else {
$items->push(new ArrayData(array(
'Title' => $record->Title,
'Link' => ($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;
}
/**
* 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 $childrenMethod The method to call to get the children of the tree. For example,
* Children, AllChildrenIncludingDeleted, or AllHistoricalChildren
* @return String Nested unordered list with links to each page
*/
function getSiteTreeFor($className, $rootID = null, $childrenMethod = null, $numChildrenMethod = null, $filterFunction = null, $minNodeCount = 30) {
// Filter criteria
$params = $this->request->getVar('q');
if(isset($params['FilterClass']) && $filterClass = $params['FilterClass']){
if(!is_subclass_of($filterClass, 'CMSSiteTreeFilter')) {
throw new Exception(sprintf('Invalid filter class passed: %s', $filterClass));
}
$filter = new $filterClass($params);
} else {
$filter = null;
}
// Default childrenMethod and numChildrenMethod
if(!$childrenMethod) $childrenMethod = ($filter && $filter->getChildrenMethod()) ? $filter->getChildrenMethod() : 'AllChildrenIncludingDeleted';
if(!$numChildrenMethod) $numChildrenMethod = 'numChildren';
if(!$filterFunction) $filterFunction = ($filter) ? array($filter, 'isPageIncluded') : null;
// Get the tree root
$record = ($rootID) ? $this->getRecord($rootID) : null;
$obj = $record ? $record : singleton($className);
// Mark the nodes of the tree to return
if ($filterFunction) $obj->setMarkingFilterFunction($filterFunction);
$obj->markPartialTree($minNodeCount, $this, $childrenMethod, $numChildrenMethod);
// Ensure current page is exposed
if($p = $this->currentPage()) $obj->markToExpose($p);
// 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) use(&$controller, &$recordController) {
$link = Controller::join_links($recordController->Link("show"), $child->ID);
return LeftAndMain_TreeNode::create($child, $link, $controller->isCurrentPage($child))->forTemplate();
};
$html = $obj->getChildrenAsUL(
"",
$titleFn,
singleton('CMSPagesController'),
true,
$childrenMethod,
$numChildrenMethod,
$minNodeCount
);
// Wrap the root if needs be.
if(!$rootID) {
$rootLink = $this->Link('show') . '/root';
// This lets us override the tree title with an extension
if($this->hasMethod('getCMSTreeTitle') && $customTreeTitle = $this->getCMSTreeTitle()) {
$treeTitle = $customTreeTitle;
} elseif(class_exists('SiteConfig')) {
$siteConfig = SiteConfig::current_site_config();
$treeTitle = $siteConfig->Title;
} else {
$treeTitle = '...';
}
$html = "<ul><li id=\"record-0\" data-id=\"0\" class=\"Root nodelete\"><strong>$treeTitle</strong>"
. $html . "</li></ul>";
}
return $html;
}
/**
* Get a subtree underneath the request param 'ID'.
* If ID = 0, then get the whole tree.
*/
public function getsubtree($request) {
$html = $this->getSiteTreeFor(
$this->stat('tree_class'),
$request->getVar('ID'),
null,
null,
null,
$request->getVar('minNodeCount')
);
// Trim off the outer tag
$html = preg_replace('/^[\s\t\r\n]*<ul[^>]*>/','', $html);
$html = preg_replace('/<\/ul[^>]*>[\s\t\r\n]*$/','', $html);
return $html;
}
/**
* Allows requesting a view update on specific tree nodes.
* Similar to {@link getsubtree()}, but doesn't enforce loading
* all children with the node. Useful to refresh views after
* state modifications, e.g. saving a form.
*
* @return String JSON
*/
public function updatetreenodes($request) {
$data = array();
$ids = explode(',', $request->getVar('ids'));
foreach($ids as $id) {
$record = $this->getRecord($id);
$recordController = ($this->stat('tree_class') == 'SiteTree') ? singleton('CMSPageEditController') : $this;
// Find the next & previous nodes, for proper positioning (Sort isn't good enough - it's not a raw offset)
// TODO: These methods should really be in hierarchy - for a start it assumes Sort exists
$next = $prev = null;
$className = $this->stat('tree_class');
$next = DataObject::get($className)->filter('ParentID', $record->ParentID)->filter('Sort:GreaterThan', $record->Sort)->first();
if (!$next) {
$prev = DataObject::get($className)->filter('ParentID', $record->ParentID)->filter('Sort:LessThan', $record->Sort)->reverse()->first();
}
$link = Controller::join_links($recordController->Link("show"), $record->ID);
$html = LeftAndMain_TreeNode::create($record, $link, $this->isCurrentPage($record))->forTemplate() . '</li>';
$data[$id] = array(
'html' => $html,
'ParentID' => $record->ParentID,
'NextID' => $next ? $next->ID : null,
'PrevID' => $prev ? $prev->ID : null
);
}
$this->response->addHeader('Content-Type', 'text/json');
return Convert::raw2json($data);
}
/**
* Save handler
*/
public function save($data, $form) {
$className = $this->stat('tree_class');
// Existing or new record?
$SQL_id = Convert::raw2sql($data['ID']);
if(substr($SQL_id,0,3) != 'new') {
$record = DataObject::get_by_id($className, $SQL_id);
if($record && !$record->canEdit()) return Security::permissionFailure($this);
if(!$record || !$record->ID) throw new HTTPResponse_Exception("Bad record ID #" . (int)$data['ID'], 404);
} else {
if(!singleton($this->stat('tree_class'))->canCreate()) return Security::permissionFailure($this);
$record = $this->getNewItem($SQL_id, false);
}
// save form data into record
$form->saveInto($record, true);
$record->write();
$this->extend('onAfterSave', $record);
$this->setCurrentPageID($record->ID);
$this->response->addHeader('X-Status', rawurlencode(_t('LeftAndMain.SAVEDUP', 'Saved.')));
return $this->getResponseNegotiator()->respond($this->request);
}
public function delete($data, $form) {
$className = $this->stat('tree_class');
$record = DataObject::get_by_id($className, Convert::raw2sql($data['ID']));
if($record && !$record->canDelete()) return Security::permissionFailure();
if(!$record || !$record->ID) throw new HTTPResponse_Exception("Bad record ID #" . (int)$data['ID'], 404);
$record->delete();
$this->response->addHeader('X-Status', rawurlencode(_t('LeftAndMain.DELETED', 'Deleted.')));
return $this->getResponseNegotiator()->respond(
$this->request,
array('currentform' => array($this, 'EmptyForm'))
);
}
/**
* Update the position and parent of a tree node.
* Only saves the node if changes were made.
*
* Required data:
* - 'ID': The moved node
* - 'ParentID': New parent relation of the moved node (0 for root)
* - 'SiblingIDs': Array of all sibling nodes to the moved node (incl. the node itself).
* In case of a 'ParentID' change, relates to the new siblings under the new parent.
*
* @return SS_HTTPResponse JSON string with a
*/
public function savetreenode($request) {
if (!Permission::check('SITETREE_REORGANISE') && !Permission::check('ADMIN')) {
$this->response->setStatusCode(
403,
_t('LeftAndMain.CANT_REORGANISE',"You do not have permission to rearange the site tree. Your change was not saved.")
);
return;
}
$className = $this->stat('tree_class');
$statusUpdates = array('modified'=>array());
$id = $request->requestVar('ID');
$parentID = $request->requestVar('ParentID');
if($className == 'SiteTree' && $page = DataObject::get_by_id('Page', $id)){
$root = $page->getParentType();
if(($parentID == '0' || $root == 'root') && !SiteConfig::current_site_config()->canCreateTopLevel()){
$this->response->setStatusCode(
403,
_t('LeftAndMain.CANT_REORGANISE',"You do not have permission to alter Top level pages. Your change was not saved.")
);
return;
}
}
$siblingIDs = $request->requestVar('SiblingIDs');
$statusUpdates = array('modified'=>array());
if(!is_numeric($id) || !is_numeric($parentID)) throw new InvalidArgumentException();
$node = DataObject::get_by_id($className, $id);
if($node && !$node->canEdit()) return Security::permissionFailure($this);
if(!$node) {
$this->response->setStatusCode(
500,
_t(
'LeftAndMain.PLEASESAVE',
"Please Save Page: This page could not be upated because it hasn't been saved yet."
)
);
return;
}
// Update hierarchy (only if ParentID changed)
if($node->ParentID != $parentID) {
$node->ParentID = (int)$parentID;
$node->write();
$statusUpdates['modified'][$node->ID] = array(
'TreeTitle'=>$node->TreeTitle
);
// Update all dependent pages
if(class_exists('VirtualPage')) {
if($virtualPages = DataObject::get("VirtualPage", "\"CopyContentFromID\" = $node->ID")) {
foreach($virtualPages as $virtualPage) {
$statusUpdates['modified'][$virtualPage->ID] = array(
'TreeTitle' => $virtualPage->TreeTitle()
);
}
}
}
$this->response->addHeader('X-Status', rawurlencode(_t('LeftAndMain.REORGANISATIONSUCCESSFUL', 'Reorganised the site tree successfully.')));
}
// Update sorting
if(is_array($siblingIDs)) {
$counter = 0;
foreach($siblingIDs as $id) {
if($id == $node->ID) {
$node->Sort = ++$counter;
$node->write();
$statusUpdates['modified'][$node->ID] = array(
'TreeTitle' => $node->TreeTitle
);
} else if(is_numeric($id)) {
// Nodes that weren't "actually moved" shouldn't be registered as
// having been edited; do a direct SQL update instead
++$counter;
DB::query(sprintf("UPDATE \"%s\" SET \"Sort\" = %d WHERE \"ID\" = '%d'", $className, $counter, $id));
}
}
$this->response->addHeader('X-Status', rawurlencode(_t('LeftAndMain.REORGANISATIONSUCCESSFUL', 'Reorganised the site tree successfully.')));
}
return Convert::raw2json($statusUpdates);
}
public function CanOrganiseSitetree() {
return !Permission::check('SITETREE_REORGANISE') && !Permission::check('ADMIN') ? false : true;
}
/**
* Retrieves an edit form, either for display, or to process submitted data.
* Also used in the template rendered through {@link Right()} in the $EditForm placeholder.
*
* This is a "pseudo-abstract" methoed, usually connected to a {@link getEditForm()}
* method in an entwine subclass. This method can accept a record identifier,
* selected either in custom logic, or through {@link currentPageID()}.
* The form usually construct itself from {@link DataObject->getCMSFields()}
* for the specific managed subclass defined in {@link LeftAndMain::$tree_class}.
*
* @param HTTPRequest $request Optionally contains an identifier for the
* record to load into the form.
* @return Form Should return a form regardless wether a record has been found.
* Form might be readonly if the current user doesn't have the permission to edit
* the record.
*/
/**
* @return Form
*/
function EditForm($request = null) {
return $this->getEditForm();
}
/**
* Calls {@link SiteTree->getCMSFields()}
*
* @param Int $id
* @param FieldList $fields
* @return Form
*/
public function getEditForm($id = null, $fields = null) {
if(!$id) $id = $this->currentPageID();
if(is_object($id)) {
$record = $id;
} else {
$record = $this->getRecord($id);
if($record && !$record->canView()) return Security::permissionFailure($this);
}
if($record) {
$fields = ($fields) ? $fields : $record->getCMSFields();
if ($fields == null) {
user_error(
"getCMSFields() returned null - it should return a FieldList object.
Perhaps you forgot to put a return statement at the end of your method?",
E_USER_ERROR
);
}
// Add hidden fields which are required for saving the record
// and loading the UI state
if(!$fields->dataFieldByName('ClassName')) {
$fields->push(new HiddenField('ClassName'));
}
if(
Object::has_extension($this->stat('tree_class'), 'Hierarchy')
&& !$fields->dataFieldByName('ParentID')
) {
$fields->push(new HiddenField('ParentID'));
}
// Added in-line to the form, but plucked into different view by LeftAndMain.Preview.js upon load
if(in_array('CMSPreviewable', class_implements($record))) {
$navField = new LiteralField('SilverStripeNavigator', $this->getSilverStripeNavigator());
$navField->setAllowHTML(true);
$fields->push($navField);
}
if($record->hasMethod('getAllCMSActions')) {
$actions = $record->getAllCMSActions();
} else {
$actions = $record->getCMSActions();
// add default actions if none are defined
if(!$actions || !$actions->Count()) {
if($record->hasMethod('canEdit') && $record->canEdit()) {
$actions->push(