silverstripe-framework/core/model/SiteTree.php
Ingo Schommer 4cb5bd719a wscott: Added some additional fixes & such to sapphire
TooglePanel? can be created initially closed 
PasswordField? honors a max size passed to it 
SiteTree? / Pages can now have custom meta tags 
Sitemap can deal with pinging google on updates, plus a couple other minor changes 


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41690 467b73ca-7a2a-4603-9d3b-597d59a354a9
2007-09-14 00:47:00 +00:00

1085 lines
33 KiB
PHP

<?php
/**
* @package sapphire
* @subpackage core
*/
/**
* Basic data-object representing all pages within the site tree.
* This data-object takes care of the heirachy. All page types that live within the heirachy
* should inherit from this.
*
* In addition, it contains a number of static methods for querying the site tree.
*/
class SiteTree extends DataObject {
/**
* Get the URL for this page.
* @param string $action An action to include in the link
* @return string The URL for this page
*/
public function Link($action = null) {
if($action == "index") {
$action = "";
}
return Director::baseURL() . $this->URLSegment . "/$action";
}
/**
* Get the absolute URL for this page by stage
*/
public function AbsoluteLink() {
if($this->hasMethod('alternateAbsoluteLink')) return $this->alternateAbsoluteLink();
else return Director::absoluteURL($this->Link());
}
/**
* Returns link/current, depending on whether you're on the current page.
* This is useful for css styling of menus.
* @return string Either 'link' or 'current'.
*/
public function LinkOrCurrent() {
return $this->isCurrent() ? "current" : "link";
}
/**
* Returns link/section, depending on whether you're on the current section.
* This is useful for css styling of menus.
* @return string Either 'link' or 'section'.
*/
public function LinkOrSection() {
return $this->isSection() ? "section" : "link";
}
/**
* Returns link/current/section, depending if you're not in the current section,
* you're on the current page, or you're in the current section
* but not on the current page.
* @return string Either 'link', 'current' or 'section'.
*/
public function LinkingMode() {
$this->prepareCurrentAndSection();
if($this->ID == self::$currentPageID) {
return "current";
} else if(in_array($this->ID, self::$currentSectionIDs)) {
return "section";
} else {
return "link";
}
}
/**
* Get the URL segment for this page, eg 'home'
* @return string The URL segment
*/
public function ElementName() {
return $this->URLSegment;
}
/**
* Check if this page is in the given current section.
* @param string $sectionName Name of the section to check.
* @return boolean True if we are in the given section.
*/
public function InSection($sectionName) {
$page = Director::currentPage();
while($page) {
if($sectionName == $page->URLSegment) return true;
$page = $page->Parent;
}
return false;
}
/**
* Returns comments on this page. This will only show comments that
* have been marked as spam if "?showspam=1" is appended to the URL.
* @return DataObjectSet Comments on this page.
*/
public function Comments() {
$spamfilter = isset($_GET['showspam']) ? '' : 'AND IsSpam=0';
$unmoderatedfilter = Permission::check('ADMIN') ? '' : 'AND NeedsModeration = 0';
$comments = DataObject::get("PageComment", "ParentID = '" . Convert::raw2sql($this->ID) . "' $spamfilter $unmoderatedfilter", "Created DESC");
return $comments ? $comments : new DataObjectSet();
}
/**
* Create a duplicate of this node. Doesn't affect joined data - create a custom overloading of this
* if you need such behaviour.
* @return SiteTree The duplicated object.
*/
public function duplicate($doWrite = true) {
$page = parent::duplicate($doWrite);
$page->CheckedPublicationDifferences = $page->AddedToStage = true;
return $page;
}
/**
* Duplicates each child of this node recursively and returns the duplicate node.
* @return SiteTree The duplicated object.
*/
public function duplicateWithChildren() {
$clone = $this->duplicate();
$children = $this->AllChildren();
if($children) {
foreach($children as $child) {
$childClone = method_exists( $child, 'duplicateWithChildren' ) ? $child->duplicateWithChildren() : $child->duplicate();
$childClone->ParentID = $clone->ID;
$childClone->write();
}
}
return $clone;
}
/**
* Duplicate this node and its children as a child of the node with the given id
* @param int $id ID of the new node's new parent
*/
public function duplicateAsChild( $id ) {
$newSiteTree = $this->duplicate();
$newSiteTree->ParentID = $id;
$newSiteTree->write();
}
/**
* An array of this pages URL segment and it's parents.
* This is generated by prepareCurrentAndSection for use by
* isCurrent() and isSection()
* @var array
*/
protected static $currentSectionIDs;
/**
* The current page ID.
* This is generated by prepareCurrentAndSection for use by
* isCurrent() and isSection()
* @var int
*/
protected static $currentPageID;
/**
* This function is used for isCurrent() and isSection() to prepare
* the cached answers.
*/
protected function prepareCurrentAndSection() {
if(!self::$currentPageID) {
self::$currentPageID = Director::currentPage() ? Director::currentPage()->ID : null;
if(!isset(self::$currentPageID)) {
self::$currentPageID = -1;
$nextID = isset(Director::currentPage()->Parent->ID) ? Director::currentPage()->Parent->ID : null;
} else {
$nextID = SiteTree::$currentPageID;
}
$table = (Versioned::current_stage() == "Live") ? "SiteTree_Live" : "SiteTree";
SiteTree::$currentSectionIDs = array();
while($nextID) {
self::$currentSectionIDs[] = $nextID;
$nextID = DB::query("SELECT ParentID FROM SiteTree WHERE ID = $nextID")->value();
}
}
}
/**
* Check if this is the currently viewed page.
* @return boolean True if this is the current page.
*/
public function isCurrent() {
$this->prepareCurrentAndSection();
return $this->ID == SiteTree::$currentPageID;
}
/**
* Check if the currently viewed page is in this section.
* @return boolean True if the currently viewed page is in this section.
*/
public function isSection() {
$this->prepareCurrentAndSection();
return in_array($this->ID, self::$currentSectionIDs);
}
/**
* Return a breadcrumb trail to this page.
* @param int $maxDepth The maximum depth to traverse.
* @param boolean $unlinked Do not make page names links
* @param string $stopAtPageType ClassName of a page to stop the upwards traversal.
* @return string The breadcrumb trail.
*/
public function Breadcrumbs($maxDepth = 20, $unlinked = false, $stopAtPageType = false) {
$page = $this;
$parts = array();
$i = 0;
while(($page && (sizeof($parts) < $maxDepth)) || ($stopAtPageType && $page->ClassName != $stopAtPageType)) {
if($page->ShowInMenus || ($page->ID == $this->ID)) {
if($page->URLSegment == 'home') {
$hasHome = true;
}
$parts[] = (($page->ID == $this->ID) || $unlinked) ? Convert::raw2xml($page->Title) : ("<a href=\"" . $page->Link() . "\">" . Convert::raw2xml($page->Title) . "</a>");
}
$page = $page->Parent;
}
return implode(" &raquo; ", array_reverse($parts));
}
/**
* Get the parent of this page.
* @return SiteTree Parent of this page.
*/
public function getParent() {
if($this->getField("ParentID"))
return DataObject::get_one("SiteTree", "`SiteTree`.ID = " . $this->getField("ParentID"));
}
/**
* Make this page a child of another page.
* @param SiteTree|int $item Either the parent object, or the parent id
*/
public function setParent($item) {
if(is_object($item)) {
$this->setField("ParentID", $item->ID);
} else {
$this->setField("ParentID", $item);
}
}
/**
* Return a string of the form "parent - page" or "grandparent - parent - page".
* @param int $level The maximum amount of levels to traverse.
* @param string $seperator Seperating string
* @return string The resulting string
*/
function NestedTitle($level = 2, $separator = " - ") {
$item = $this;
while($item && $level > 0) {
$parts[] = $item->Title;
$item = $item->Parent;
$level--;
}
return implode($separator, array_reverse($parts));
}
/**
* Returns true if the member is allowed to do the given action.
*
* @param string $perm The permission to be checked, such as 'View'.
* @param Member $member The member whose permissions need checking.
* Defaults to the currently logged in user.
*
* @return boolean True if the the member is allowed to do the given
* action.
*
* @todo Check we get a endless recursion if we use parent::can()
*/
function can($perm, $member = null) {
if(!isset($member)) {
$member = Member::currentUser();
}
// Users with ADMIN permission can always do this
if($member && Permission::check('ADMIN')) {
return true;
}
switch(strtolower($perm)) {
case 'edit':
if($this->Editors == 'LoggedInUsers' && $member) return true;
if($member && $this->Editors == 'OnlyTheseUsers' && $member->isInGroup($this->EditorsGroup)) return true;
break;
case 'view':
case 'view_page':
if($this->Viewers == 'Anyone') return true;
if($member && $this->Viewers == 'LoggedInUsers') return true;
if($member && $this->Viewers == 'OnlyTheseUsers' && $member->isInGroup($this->ViewersGroup)) return true;
break;
}
return false;
}
/**
* This function should return true if the current user can add children
* to this page.
*
* It can be overloaded to customise the security model for an
* application.
*
* @return boolean True if the current user can add children.
*/
public function canAddChildren() {
return $this->canEdit() && $this->stat('allowed_children') != 'none';
}
/**
* This function should return true if the current user can delete this page.
* It can be overloaded to customise the security model for an application.
* @return boolean True if the current user can delete this page.
*/
public function canDelete() {
return $this->stat('can_create') != false;
}
/**
* This function should return true if the current user can create new pages of this class.
* It can be overloaded to customise the security model for an application.
* @return boolean True if the current user can create pages on this class.
*/
public function canCreate() {
return $this->stat('can_create') != false || Director::isDev();
}
/**
* This function should return true if the current user can edit this page.
* It can be overloaded to customise the security model for an application.
* @return boolean True if the current user can edit this page.
*/
public function canEdit() {
return $this->can('Edit');
}
/**
* This function should return true if the current user can publish this page.
* It can be overloaded to customise the security model for an application.
* @return boolean True if the current user can publish this page.
*/
public function canPublish() {
return $this->canEdit();
}
/**
* Collate selected descendants of this page.
* $condition will be evaluated on each descendant, and if it is succeeds, that item will be added
* to the $collator array.
* @param string $condition The PHP condition to be evaluated. The page will be called $item
* @param array $collator An array, passed by reference, to collect all of the matching descendants.
*/
public function collateDescendants($condition, &$collator) {
if($children = $this->Children()) {
foreach($children as $item) {
if(eval("return $condition;")) $collator[] = $item;
$item->collateDescendants($condition, $collator);
}
return true;
}
}
/**
* Return the title, description and keywords metatags.
* @param boolean|string $includeTitle Show default <title>-tag, set to false for custom templating
* @return string The XHTML metatags
*/
public function MetaTags($includeTitle = true) {
$tags = "";
if($includeTitle === true || $includeTitle == 'true') {
$tags .= "<title>" . Convert::raw2xml($this->MetaTitle ? $this->MetaTitle : $this->Title) . "</title>\n";
}
$tags .= "<meta name=\"generator\" http-equiv=\"generator\" content=\"SilverStripe 2.0 - http://www.silverstripe.com\" />\n";
$charset = ContentNegotiator::get_encoding();
$tags .= "<meta http-equiv=\"Content-type\" content=\"text/html; charset=$charset\" />\n";
if($this->MetaKeywords) {
$tags .= "<meta name=\"keywords\" http-equiv=\"keywords\" content=\"" . Convert::raw2att($this->MetaKeywords) . "\" />\n";
}
if($this->MetaDescription) {
$tags .= "<meta name=\"description\" http-equiv=\"description\" content=\"" . Convert::raw2att($this->MetaDescription) . "\" />\n";
}
if($this->ExtraMeta) {
$tags .= $this->ExtraMeta . "\n";
}
return $tags;
}
/**
* Returns the object that contains the content that a user would associate with this page.
* Ordinarily, this is just the page itself, but for example on RedirectorPages or VirtualPages
* ContentSource() will return the page that is linked to.
* @return SiteTree The content source.
*/
public function ContentSource() {
return $this;
}
function requireDefaultRecords() {
parent::requireDefaultRecords();
if($this->class == 'SiteTree') {
if(!DataObject::get_one("SiteTree", "URLSegment = 'home'")) {
$homepage = new Page();
$homepage->Title = "Home";
$homepage->Content = "<p>Welcome to SilverStripe! This is the default homepage. You can edit this page by opening <a href=\"admin/\">the CMS</a>.</p>";
$homepage->URLSegment = "home";
$homepage->Status = "Published";
$homepage->write();
$homepage->publish("Stage", "Live");
$homepage->flushCache();
Database::alteration_message("Home page created","created");
}
if(DB::query("SELECT COUNT(*) FROM SiteTree")->value() == 1) {
$aboutus = new Page();
$aboutus->Title = "About Us";
$aboutus->Content = "<p>You can fill this page out with your own content, or delete it and create your own pages.<br /></p>";
$aboutus->URLSegment = "about-us";
$aboutus->Status = "Published";
$aboutus->write();
$aboutus->publish("Stage", "Live");
Database::alteration_message("About Us created","created");
$contactus = new Page();
$contactus->Title = "Contact Us";
$contactus->Content = "<p>You can fill this page out with your own content, or delete it and create your own pages.<br /></p>";
$contactus->URLSegment = "contact-us";
$contactus->Status = "Published";
$contactus->write();
$contactus->publish("Stage", "Live");
$contactus->flushCache();
}
}
}
//------------------------------------------------------------------------------------//
protected function onBeforeWrite() {
if(!$this->Sort && $this->ParentID) {
$this->Sort = DB::query("SELECT MAX(Sort) + 1 FROM SiteTree WHERE ParentID = $this->ParentID")->value();
}
// Auto-set URLSegment
if((!$this->URLSegment || $this->URLSegment == 'new-page') && $this->Title) {
$this->URLSegment = $this->generateURLSegment($this->Title);
// Keep it clean
} else if(isset($this->changed['URLSegment']) && $this->changed['URLSegment']) {
$segment = ereg_replace('[^A-Za-z0-9]+','-',$this->URLSegment);
$segment = ereg_replace('-+','-',$segment);
if(!$segment) {
$segment = "page-$this->ID";
}
$this->URLSegment = $segment;
}
DataObject::set_context_obj($this);
// Ensure URLSegment is unique
$idFilter = $this->ID ? " AND `SiteTree`.ID <> '$this->ID'" : '';
$count = 1;
while(DataObject::get_one("SiteTree", "URLSegment = '$this->URLSegment' $idFilter")) {
$count++;
$this->URLSegment = ereg_replace('-[0-9]+$','', $this->URLSegment) . "-$count";
}
DataObject::set_context_obj(null);
// If the URLSegment has been changed, rewrite links
if(isset($this->changed['URLSegment']) && $this->changed['URLSegment']) {
if($this->hasMethod('BackLinkTracking')) {
$links = $this->BackLinkTracking();
if($links) {
foreach($links as $link) {
$link->rewriteLink($this->original['URLSegment'] . '/', $this->URLSegment . '/');
$link->write();
}
}
}
}
parent::onBeforeWrite();
}
/**
* Generate a URL segment based on the title provided.
* @param string $title Page title.
* @return string Generated url segment
*/
function generateURLSegment($title){
$t = strtolower($title);
$t = str_replace('&amp;','-and-',$t);
$t = str_replace('&','-and-',$t);
$t = ereg_replace('[^A-Za-z0-9]+','-',$t);
$t = ereg_replace('-+','-',$t);
if(!$t) {
$t = "page-$this->ID";
}
return $t;
}
function makelinksunique() {
$badURLs = "'" . implode("', '", DB::query("SELECT URLSegment, count(*) FROM SiteTree GROUP BY URLSegment HAVING count(*) > 1")->column()) . "'";
$pages = DataObject::get("SiteTree", "URLSegment IN ($badURLs)");
foreach($pages as $page) {
echo "<li>$page->Title: ";
$urlSegment = $page->URLSegment;
$page->write();
if($urlSegment != $page->URLSegment) echo " changed $urlSegment -> $page->URLSegment";
else echo " $urlSegment is already unique";
die();
}
}
function makelinksuniquequick() {
$badURLs = "'" . implode("', '", DB::query("SELECT URLSegment, count(*) FROM SiteTree GROUP BY URLSegment HAVING count(*) > 1")->column()) . "'";
$pages = DB::query("SELECT *, SiteTree.ID FROM SiteTree LEFT JOIN Page ON Page.ID = SiteTree.ID WHERE URLSegment IN ($badURLs)");
foreach($pages as $page) {
echo "<li>$page[Title]: ";
$urlSegment = $page['URLSegment'];
$newURLSegment = $urlSegment . '-' . $page['ID'];
DB::query("UPDATE SiteTree SET URLSegment = '$newURLSegment' WHERE ID = $page[ID]");
if($urlSegment != $newURLSegment) echo " changed $urlSegment -> $newURLSegment";
else echo " $urlSegment is already unique";
}
echo "<p>done";
}
/**
* Replace a URL in html content with a new URL.
* @param string $old The old URL
* @param string $new The new URL
*/
function rewriteLink($old, $new) {
$fields = $this->getCMSFields(null)->dataFields();
foreach($fields as $field) {
if(is_a($field, 'HtmlEditorField')) {
$fieldName = $field->Name();
$field->setValue($this->$fieldName);
$field->rewriteLink($old, $new);
$field->saveInto($this);
}
}
}
//------------------------------------------------------------------------------------//
/**
* Holds callback functions to be called when getCMSFields() is called
*
* @var array
*/
static $cms_additions = array();
/**
* Allows modules to extend the cms editing form for all pages in the site
*
* @param mixed $function the name of your function, either as a string,
* or in the form array('class','function)
*/
static function ExtendCMS($function)
{
self::$cms_additions[] = $function;
}
/**
* Returns a FieldSet with which to create the CMS editing form.
* You can override this in your child classes to add extra fields - first
* get the parent fields using parent::getCMSFields(), then use addFieldToTab()
* on the FieldSet.
* @return FieldSet The fields to be displayed in the CMS.
*/
function getCMSFields() {
require_once("forms/Form.php");
Requirements::javascript("cms/javascript/SitetreeAccess.js");
// Backlink report
if($this->hasMethod('BackLinkTracking')) {
$links = $this->BackLinkTracking();
if($links->exists()) {
foreach($links as $link) {
$backlinks[] = "<li><a class=\"cmsEditlink\" href=\"admin/show/$link->ID\">" . $link->Breadcrumbs(null,true). "</a></li>";
}
$backlinks = "<div style=\"clear:left\">The following pages link to this page:<ul>" . implode("",$backlinks) . "</ul></div>";
}
}
if(!isset($backlinks)) {
$backlinks = "<p>This page hasn't been linked to from any pages.</p>";
}
// Status / message
// Create a status message for multiple parents
if($this->ID && is_numeric($this->ID)) {
$linkedPages = DataObject::get("VirtualPage", "CopyContentFromID = $this->ID");
}
if(isset($linkedPages)) {
foreach($linkedPages as $linkedPage) {
$parentPage = $linkedPage->Parent;
$parentPageTitle = $parentPage->Title;
if($parentPage->ID) {
$parentPageLinks[] = "<a class=\"cmsEditlink\" href=\"admin/show/$linkedPage->ID\">{$parentPage->Title}</a>";
} else {
$parentPageLinks[] = "<a class=\"cmsEditlink\" href=\"admin/show/$linkedPage->ID\">Site Content (Top Level)</a>";
}
}
$lastParent = array_pop($parentPageLinks);
$parentList = "'$lastParent'";
if(count( $parentPageLinks ) > 0) {
$parentList = "'" . implode("', '", $parentPageLinks) . "' and " . $parentList;
}
$statusMessage[] = "This content also appears on the virtual pages in the $parentList sections.";
}
if($this->HasBrokenLink || $this->HasBrokenFile) {
$statusMessage[] = "This page has broken links.";
}
$message = "STATUS: $this->Status<br />";
if(isset($statusMessage)) {
$message .= "NOTE: " . implode("<br />", $statusMessage);
}
// Lay out the fields
$fields = new FieldSet(
new TabSet("Root",
new TabSet("Content",
new Tab("Main",
new TextField("Title", "Page name"),
/*new UniqueTextField("Title",
"Title",
"SiteTree",
"Another page is using that name. Page names should be unique.",
"Page Name"
),*/
new TextField("MenuTitle", "Navigation label"),
new HtmlEditorField("Content","Content")
),
new Tab("Meta-data",
new FieldGroup("URL",
new LabelField("http://www.yoursite.com/"),
//new TextField("URLSegment",""),
new UniqueRestrictedTextField("URLSegment",
"URLSegment",
"SiteTree",
"Another page is using that URL. URL must be unique for each page",
"[^A-Za-z0-9-]+",
"-",
"URLs can only be made up of letters, digits and hyphens.",
""
),
new LabelField("/")
),
new HeaderField("Search Engine Meta-tags"),
new TextField("MetaTitle", "Title"),
new TextareaField("MetaDescription", "Description"),
new TextareaField("MetaKeywords", "Keywords"),
new TogglePanel("Advanced Options...",array(
new TextareaField("ExtraMeta","Custom Meta Tags"),
new LiteralField("", "<p>Manually specify a Priority for this page: (valid values are from 0 to 1, a zero will remove this page from the index)</p>"),
new NumericField("Priority","Page Priority")),
true
)
)
),
new Tab("Behaviour",
new DropdownField("ClassName", "Page type", $this->getClassDropdown()),
new CheckboxField("ShowInMenus", "Show in menus?"),
new CheckboxField("ShowInSearch", "Show in search?"),
/*, new TreeMultiselectField("MultipleParents", "Page appears within", "SiteTree")*/
new CheckboxField("ProvideComments", "Allow comments on this page?"),
new LiteralField("", "<p>Use this page as the 'home page' for the following domains: (separate multiple domains with commas)</p>"),
new TextField("HomepageForDomain", "Domain(s)")
),
new TabSet("Reports",
new Tab("BackLinks",
new LiteralField("Backlinks", $backlinks)
)
),
new Tab("Access",
new HeaderField("Who can display this?", 2),
new OptionsetField("Viewers", "",
array("Anyone" => "Anyone",
"LoggedInUsers" => "Logged-in users",
"OnlyTheseUsers" => "Only these people (choose from list)")),
new DropdownField("ViewersGroup", "Group", Group::map()),
new HeaderField("Who can edit this?", 2),
new OptionsetField("Editors", "",
array("LoggedInUsers" => "Logged-in users",
"OnlyTheseUsers" => "Only these people (choose from list)")),
new DropdownField("EditorsGroup", "Group", Group::map())
)
),
new NamedLabelField("Status", $message, "pageStatusMessage", true)
);
foreach(self::$cms_additions as $extension)
{
$fields = call_user_func($extension,$fields);
}
$this->extend('updateCMSFields', $fields);
return $fields;
}
/**
* Get the actions available in the CMS for this page - eg Save, Publish.
* @return DataObjectSet The available actions for this page.
*/
function getCMSActions() {
$actions = array();
if($this->isPublished() && $this->canPublish()) {
$actions[] = FormAction::create('unpublish', 'Unpublish')->describe("Remove this page from the published site");
}
if($this->stagesDiffer('Stage','Live')) {
if($this->isPublished() && $this->canEdit()) {
$actions[] = FormAction::create('rollback', 'Cancel draft changes')->describe("Delete your draft and revert to the currently published page");
}
}
if($this->canPublish())
$actions[] = new FormAction('publish', 'Save & Publish');
return new DataObjectSet($actions);
}
/**
* Check if this page is new - that is, if it has yet to have been written
* to the database.
* @return boolean True if this page is new.
*/
function isNew() {
/**
* This check was a problem for a self-hosted site, and may indicate a bug in the interpreter on their server, or a bug here
* Changing the condition from empty( $this->ID ) to !$this->ID && !$this->record['ID'] fixed this.
*/
if(empty($this->ID))
return true;
if(is_numeric($this->ID))
return false;
return stripos($this->ID, 'new') === 0;
}
/**
* Check if this page has been published.
* @return boolean True if this page has been published.
*/
function isPublished() {
if($this->isNew()) return false;
return DB::query("SELECT ID FROM `SiteTree_Live` WHERE ID = $this->ID")->value() ? true : false;
}
/**
* Look for ghost parents
*/
function MultipleParents() {
$parents = new GhostPage_ComponentSet($this->Parent);
$parents->setOwner($this);
$ghostPages = DataObject::get("GhostPage", "LinkedPageID = '$this->ID'");
if($ghostPages) foreach($ghostPages as $ghostPage) {
// Ignore root ghost-pages
if($p = $ghostPage->getParent()) $parents->push($p);
}
return $parents;
}
/**
* Get the class dropdown used in the CMS to change the class of a page.
* This returns the list of options in the drop as a Map from class name
* to text in dropdown.
* @return array
*/
function getClassDropdown() {
$classes = ClassInfo::getValidSubClasses('SiteTree');
array_shift($classes);
foreach($classes as $class) {
$instance = singleton($class);
if((($instance instanceof HiddenClass) || !$instance->canCreate()) && ($class != $this->class)) continue;
$addAction = $instance->uninherited('add_action', true);
if(!$addAction) $addAction = "a $class";
$result[$class] = ($class == $this->class) ? "Currently $addAction" : "Change to $addAction";
}
return $result;
}
/**
* Returns an array of the class names of classes that are allowed
* to be children of this class.
* @return array
*/
function allowedChildren() {
$candidates = $this->stat('allowed_children');
if($candidates && $candidates != "none" && $candidates != "SiteTree_root") {
foreach($candidates as $candidate) {
if(substr($candidate,0,1) == '*') {
$allowedChildren[] = substr($candidate,1);
} else {
$subclasses = ClassInfo::subclassesFor($candidate);
foreach($subclasses as $subclass) {
if($subclass != "SiteTree_root") $allowedChildren[] = $subclass;
}
}
}
return $allowedChildren;
}
}
/**
* Returns the class name of the default class for children
* of this page.
* @return string
*/
function defaultChild() {
$default = $this->stat('default_child');
$allowed = $this->allowedChildren();
if($allowed) {
if(!$default || !in_array($default, $allowed))
$default = reset($allowed);
return $default;
}
}
/**
* Returns the class name of the default class for the parent
* of this page.
* @return string
*/
function defaultParent() {
return $this->stat('default_parent');
}
/**
* Function to clean up the currently loaded page after a reorganise has been called.
* It should return a piece of JavaScript to be executed on the client side, to clean
* up the results of the reorganise.
*/
function cmsCleanup_parentChanged() {
}
/**
* Get the title for use in menus for this page. If the MenuTitle
* field is set it returns that, else it returns the Title field.
* @return string
*/
function getMenuTitle(){
if($value = $this->getField("MenuTitle")) {
return $value;
} else {
return $this->getField("Title");
}
}
/**
* Set the menu title for this page.
* @param string $value
*/
function setMenuTitle($value) {
if($value == $this->getField("Title")) {
$this->setField("MenuTitle", null);
} else {
$this->setField("MenuTitle", $value);
}
}
/**
* TitleWithStatus will return the title in an <ins>, <del> or <span class=\"modified\"> tag
* depending on its publication status.
* @return string
*/
function TreeTitle() {
// If somthing
if(!$this->CheckedPublicationDifferences && $this->ID) {
$stageVersion = DB::query("SELECT Version FROM SiteTree WHERE ID = $this->ID")->value();
$liveVersion = DB::query("SELECT Version FROM SiteTree_Live WHERE ID = $this->ID")->value();
if($stageVersion && !$liveVersion) $this->AddedToStage = true;
else if(!$stageVersion && $liveVersion) $this->DeletedFromStage = true;
else if($stageVersion != $liveVersion) $this->ModifiedOnStage = true;
}
$tag =
($this->DeletedFromStage ? "del title=\"Removed from stage site\"" :
($this->AddedToStage ? "ins title=\"Added to stage site\"" :
($this->ModifiedOnStage ? "span title=\"Modified on stage site\" class=\"modified\"" : "")));
if($tag) {
return "<$tag>" . $this->Title . "</" . strtok($tag,' ') . ">";
} else {
return $this->Title;
}
}
/**
* Return the CSS classes to apply to this node in the CMS tree
* @param Controller $controller The controller object that the tree appears on
* @return string
*/
function CMSTreeClasses($controller) {
$classes = $this->class;
if($this->HasBrokenFile || $this->HasBrokenLink) $classes .= " BrokenLink";
if(!$this->canAddChildren()) $classes .= " nochildren";
if(!$this->canDelete()) $classes .= " nodelete";
if($controller->isCurrentPage($this)) $classes .= " current";
$classes .= $this->markingClasses();
return $classes;
}
/**
* Indicates what kind of children this page type can have.
* This can be an array of allowed child classes, or the string "none" - indicating that
* this page type can't have children.
* If a classname is prefixed by "*", such as "*Page", then only that class is allowed - no
* subclasses. Otherwise, the class and all its subclasses are allowed.
* @var array
*/
static $allowed_children = array("SiteTree");
/**
* The default child class for this page.
* @var string
*/
static $default_child = "Page";
/**
* The default parent class for this page.
* @var string
*/
static $default_parent = null;
/**
* Controls whether a page can be in the root of the site tree.
* @var bool
*/
static $can_be_root = true;
/**
* List of permission codes a user can have to allow a user to create a page
* of this type.
* @var array
*/
static $need_permission = null;
/**
* If you extend a class, and don't want to be able to select the old class
* in the cms, set this to the old class name. Eg, if you extended Product to
* make ImprovedProduct, then you would set $hide_ancestor to Product.
* @var string
*/
static $hide_ancestor = null;
static $db = array(
"URLSegment" => "Varchar(255)",
"Title" => "Varchar(255)",
"MenuTitle" => "Varchar(100)",
"Content" => "HTMLText",
"MetaTitle" => "Varchar(255)",
"MetaDescription" => "Varchar(255)",
"MetaKeywords" => "Varchar(255)",
"ExtraMeta" => "HTMLText",
"ShowInMenus" => "Boolean",
"ShowInSearch" => "Boolean",
"HomepageForDomain" => "Varchar(100)",
"ProvideComments" => "Boolean",
"Sort" => "Int",
"LegacyURL" => "Varchar(255)",
"HasBrokenFile" => "Boolean",
"HasBrokenLink" => "Boolean",
"Status" => "Varchar",
"ReportClass" => "Varchar",
"Viewers" => "Enum('Anyone, LoggedInUsers, OnlyTheseUsers', 'Anyone')",
"Editors" => "Enum('LoggedInUsers, OnlyTheseUsers', 'LoggedInUsers')",
"ViewersGroup" => "Int",
"EditorsGroup" => "Int",
"Priority" => "Float"
);
static $indexes = array(
"SearchFields" => "fulltext (Title, MenuTitle, Content, MetaTitle, MetaDescription, MetaKeywords)",
"TitleSearchFields" => "fulltext (Title)"
);
static $has_many = array(
"Comments" => "PageComment"
);
static $many_many = array(
"LinkTracking" => "SiteTree",
"ImageTracking" => "File"
);
static $belongs_many_many = array(
"BackLinkTracking" => "SiteTree"
);
static $many_many_extraFields = array(
"LinkTracking" => array("FieldName" => "Varchar"),
"ImageTracking" => array("FieldName" => "Varchar")
);
static $casting = array(
"Breadcrumbs" => "HTMLText",
"LastEdited" => "Datetime",
"Created" => "Datetime",
);
static $defaults = array(
"ShowInMenus" => 1,
"ShowInSearch" => 1,
"Status" => "New page",
"CanCreateChildren" => array(10),
"Viewers" => "Anyone",
"Editors" => "LoggedInUsers",
"Priority" => .5
);
static $has_one = array(
"Parent" => "SiteTree"
);
static $versioning = array(
"Stage", "Live"
);
static $default_sort = "Sort";
/**
* The text shown in the create page dropdown. If
* this is not set, default to "Create a ClassName".
* @var string
*/
static $add_action = null;
/**
* If this is false, the class cannot be created in the CMS.
* @var boolean
*/
static $can_create = true;
/**
* Icon to use in the CMS
* This should be the base filename. The suffixes -file.gif, -openfolder.gif and -closedfolder.gif will
* be appended to the base name that you provide there.
* If you prefer, you can pass an array: array("jsparty/tree/images/page", $option). $option can be either
* "file" or "folder" to force the icon to always be a file or folder, regardless of whether the page has
* children or not
* @var string|array
*/
static $icon = array("jsparty/tree/images/page", "file");
static $extensions = array(
"Hierarchy",
"Versioned('Stage', 'Live')",
);
}
?>