From 4d0362ba64e9875a1fc3220fd0c91bfb40fab9d2 Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Tue, 13 Apr 2010 04:24:48 +0000
Subject: [PATCH] API CHANGE: Added canView() to CMSBatchAction so that you
 could hide certain batch actions from some users. (from r94846) (from r96823)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@102687 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 code/CMSBatchAction.php        |  9 ++++++++-
 code/CMSBatchActionHandler.php | 12 +++++++-----
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/code/CMSBatchAction.php b/code/CMSBatchAction.php
index 16da258d..56f2a0d1 100644
--- a/code/CMSBatchAction.php
+++ b/code/CMSBatchAction.php
@@ -108,7 +108,7 @@ abstract class CMSBatchAction extends Object {
 				if($page->$methodName()) $applicableIDs[] = $page->ID;
 			}
 		}
-		
+
 		return $applicableIDs;
 	}
 	
@@ -116,6 +116,13 @@ abstract class CMSBatchAction extends Object {
 	function getParameterFields() {
 		return false;
 	}
+	
+	/**
+	 * If you wish to restrict the batch action to some users, overload this function.
+	 */
+	function canView() {
+		return true;
+	}
 }
 
 /**
diff --git a/code/CMSBatchActionHandler.php b/code/CMSBatchActionHandler.php
index c4553877..63338b09 100644
--- a/code/CMSBatchActionHandler.php
+++ b/code/CMSBatchActionHandler.php
@@ -126,11 +126,13 @@ class CMSBatchActionHandler extends RequestHandler {
 		foreach($actions as $urlSegment => $action) {
 			$actionClass = $action['class'];
 			$actionObj = new $actionClass();
-			$actionDef = new ArrayData(array(
-				"Link" => Controller::join_links($this->Link(), $urlSegment),
-				"Title" => $actionObj->getActionTitle()
-			));
-			$actionList->push($actionDef);
+			if($actionObj->canView()) {
+				$actionDef = new ArrayData(array(
+					"Link" => Controller::join_links($this->Link(), $urlSegment),
+					"Title" => $actionObj->getActionTitle()
+				));
+				$actionList->push($actionDef);
+			}
 		}
 		
 		return $actionList;