146 lines
3.1 KiB
PHP
Executable File
146 lines
3.1 KiB
PHP
Executable File
<?php
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/**
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* @package cms
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*/
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/**
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* Ghost pages are placeholder pages that are used to facilitate the apparent support for
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* multiple parents.
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* @package cms
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*/
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class GhostPage extends SiteTree implements HiddenClass {
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static $has_one = array(
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"LinkedPage" => "SiteTree",
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);
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function getCMSFields($val) {
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if($this->getField('LinkedPageID')) {
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return $this->LinkedPage()->getCMSFields($val);
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} else {
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return new FieldSet(
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new LabelField(_t('GhostPage.NOLINKED', "This ghost page has no linked page."))
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);
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}
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}
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function hasField($fieldName) {
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return parent::hasField($fieldName) || ($this->getField('LinkedPageID') && $this->LinkedPage()->hasField($fieldName));
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}
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function __get($fieldName) {
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// echo "<li>$fieldName = ";
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// echo $this->getComponent('LinkedPage')->__get($fieldName);
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switch($fieldName) {
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case "ID":
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case "ClassName":
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case "LinkedPageID":
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case "ParentID":
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case "URLSegment":
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case "Parent":
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return parent::__get($fieldName);
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default:
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if($this->getField('LinkedPageID')) {
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return $this->getComponent('LinkedPage')->__get($fieldName);
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} else {
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return parent::__get($fieldName);
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}
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}
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}
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function __call($funcName, $args) {
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switch($funcName) {
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case "LinkedPage":
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return parent::__call($funcName, $args);
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default:
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if($this->getField('LinkedPageID')) {
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return $this->getComponent('LinkedPage')->__call($funcName, $args);
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} else {
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return parent::__call($funcName, $args);
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}
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}
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}
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function __set($fieldName, $fieldVal) {
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switch($fieldName) {
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case "ClassName":
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case "MultipleParents";
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break;
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case "ID":
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case "LinkedPageID":
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parent::__set($fieldName, $fieldVal);
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break;
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default:
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if($this->getField("LinkedPageID")) {
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$this->LinkedPage()->__set($fieldName, $fieldVal);
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}
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parent::__set($fieldName, $fieldVal);
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}
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}
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function write() {
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if($this->getField("LinkedPageID")) {
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$this->LinkedPage()->write();
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}
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parent::write();
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}
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function MultipleParents() {
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return $this->LinkedPage()->MultipleParents();
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}
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}
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/**
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* Controller for GhostPages
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* @package cms
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*/
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class GhostPage_Controller extends Page_Controller {
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function getViewer($action) {
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return $this->LinkedPage()->getViewer($action);
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}
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}
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/**
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* Special type of ComponentSet just for GhostPages
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* @package cms
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*/
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class GhostPage_ComponentSet extends ComponentSet {
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function setOwner($ownerObj) {
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$this->ownerObj = $ownerObj;
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}
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function add($item) {
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$id = is_object($item) ? $item->ID : $item;
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$ghost = new GhostPage();
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$ghost->setField('ParentID', $id);
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$ghost->setField('LinkedPageID', $this->ownerObj->ID);
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$ghost->setField('URLSegment', $this->ownerObj->URLSegment);
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$ghost->write();
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}
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function remove($item) {
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$id = is_object($item) ? $item->ID : $item;
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$ghosts = DataObject::get("GhostPage","ParentID = $id AND LinkedPageID = {$this->ownerObj->ID}");
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if($ghosts) {
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foreach($ghosts as $ghost) {
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$ghost->delete();
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}
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}
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}
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function removeMany($itemList) {
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if($itemList) {
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foreach($itemList as $item) {
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$this->remove($item);
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}
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}
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}
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}
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?>
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