From 6369bb80def80dfa2cc5c9af804d0e5144a74d95 Mon Sep 17 00:00:00 2001
From: Sean Harvey <sean@silverstripe.com>
Date: Wed, 20 May 2009 06:45:32 +0000
Subject: [PATCH] API CHANGE Removed @deprecated 2.3 GhostPage and
 SiteTree::MultipleParents() which used it

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@77383 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/GhostPage.php | 146 ---------------------------------------
 core/model/SiteTree.php  |  21 ------
 2 files changed, 167 deletions(-)
 delete mode 100755 core/model/GhostPage.php

diff --git a/core/model/GhostPage.php b/core/model/GhostPage.php
deleted file mode 100755
index 61aef893f..000000000
--- a/core/model/GhostPage.php
+++ /dev/null
@@ -1,146 +0,0 @@
-<?php
-/**
- * Ghost pages are placeholder pages that are used to facilitate the apparent support for
- * multiple parents.
- * 
- * @deprecated 2.3 Use VirtualPage
- * 
- * @package cms
- */
-class GhostPage extends SiteTree implements HiddenClass {
-	static $has_one = array(
-		"LinkedPage" => "SiteTree",
-	);
-	
-	static $db = array();
-	
-	function getCMSFields($val) {
-		if($this->getField('LinkedPageID')) {
-			return $this->LinkedPage()->getCMSFields($val);
-		} else {
-			return new FieldSet(
-				new LabelField('GhostPageNoLinkedLabel',_t('GhostPage.NOLINKED', "This ghost page has no linked page."))
-			);
-		}
-	}
-	
-	function hasField($fieldName) {
-		return parent::hasField($fieldName) || ($this->getField('LinkedPageID') && $this->LinkedPage()->hasField($fieldName));
-	}
-
-	function __get($fieldName) {
-		// echo "<li>$fieldName = ";
-		// echo $this->getComponent('LinkedPage')->__get($fieldName);
-		switch($fieldName) {
-			case "ID":
-			case "ClassName":
-			case "LinkedPageID":
-			case "ParentID":
-			case "URLSegment":
-			case "Parent":
-				return parent::__get($fieldName);
-			
-			default:
-				if($this->getField('LinkedPageID')) {
-					return $this->getComponent('LinkedPage')->__get($fieldName);
-				} else {
-					return parent::__get($fieldName);
-				}
-		}
-	}
-	
-	function __call($funcName, $args) {
-		switch($funcName) {
-			case "LinkedPage":
-				return parent::__call($funcName, $args);
-			
-			default:
-				if($this->getField('LinkedPageID')) {
-					return $this->getComponent('LinkedPage')->__call($funcName, $args);
-				} else {
-					return parent::__call($funcName, $args);
-				}
-		}
-	}
-	
-	function __set($fieldName, $fieldVal) {
-		switch($fieldName) {
-			case "ClassName": 
-			case "MultipleParents";
-				break;
-				
-			case "ID":
-			case "LinkedPageID":
-				parent::__set($fieldName, $fieldVal);
-				break;
-			
-			default:
-				if($this->getField("LinkedPageID")) {
-					$this->LinkedPage()->__set($fieldName, $fieldVal);
-				}
-				parent::__set($fieldName, $fieldVal);
-		}
-	}
-	
-	function write() {
-		if($this->getField("LinkedPageID")) {
-			$this->LinkedPage()->write();
-		}
-		parent::write();
-	}
-	
-	function MultipleParents() {
-		return $this->LinkedPage()->MultipleParents();
-	}
-}
-
-/**
- * Controller for GhostPages
- * @package cms
- */
-class GhostPage_Controller extends Page_Controller {
-	function getViewer($action) {
-		return $this->LinkedPage()->getViewer($action);
-	}
-}
-
-/**
- * Special type of ComponentSet just for GhostPages
- * @package cms
- */
-class GhostPage_ComponentSet extends ComponentSet {
-	function setOwner($ownerObj) {
-		$this->ownerObj = $ownerObj;
-	}	
-	
-	function add($item) {
-		$id = is_object($item) ? $item->ID : $item;
-		
-		$ghost = new GhostPage();
-		$ghost->setField('ParentID', $id);
-		$ghost->setField('LinkedPageID', $this->ownerObj->ID);
-		$ghost->setField('URLSegment', $this->ownerObj->URLSegment);
-		$ghost->write();
-	}
-	
-	function remove($item) {
-		$id = is_object($item) ? $item->ID : $item;
-
-		$ghosts = DataObject::get("GhostPage","\"ParentID\" = $id AND \"LinkedPageID\" = {$this->ownerObj->ID}");
-		if($ghosts) {
-			foreach($ghosts as $ghost) {
-				$ghost->delete();
-			}
-		}
-	}
-	
-	function removeMany($itemList) {
-		if($itemList) {
-			foreach($itemList as $item) {
-				$this->remove($item);
-			}
-		}
-	}
-}
-
-?>
\ No newline at end of file
diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index 152875048..aef88542b 100644
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -1581,27 +1581,6 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 			: 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