From ba0adbc48dabe300ded779c28f67e09f5193f17a Mon Sep 17 00:00:00 2001
From: Sam Minnee <sam@silverstripe.com>
Date: Thu, 4 Feb 2010 04:56:16 +0000
Subject: [PATCH] ENHANCEMENT batchactions can now implement
 confirmationDialog() to provide a custom confirmation dialog to the front
 end. MINOR added above confiration to batch setting expiry (from r97215)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/branches/2.4@98211 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 code/CMSBatchActionHandler.php | 22 ++++++++++
 javascript/CMSMain_left.js     | 74 ++++++++++++++++++++--------------
 2 files changed, 66 insertions(+), 30 deletions(-)

diff --git a/code/CMSBatchActionHandler.php b/code/CMSBatchActionHandler.php
index e4ae65d4..ff8f1617 100644
--- a/code/CMSBatchActionHandler.php
+++ b/code/CMSBatchActionHandler.php
@@ -14,6 +14,7 @@ class CMSBatchActionHandler extends RequestHandler {
 	
 	static $url_handlers = array(
 		'$BatchAction/applicablepages' => 'handleApplicablePages',
+		'$BatchAction/confirmation' => 'handleConfirmation',
 		'$BatchAction' => 'handleAction',
 	);
 	
@@ -104,6 +105,27 @@ class CMSBatchActionHandler extends RequestHandler {
 		return $response;
 	}
 	
+	function handleConfirmation($request) {
+		// Find the action handler
+		$actions = Object::get_static($this->class, 'batch_actions');
+		$actionClass = $actions[$request->param('BatchAction')];
+		$actionHandler = new $actionClass();
+
+		// Sanitise ID list and query the database for apges
+		$ids = split(' *, *', trim($request->requestVar('csvIDs')));
+		foreach($ids as $k => $id) $ids[$k] = (int)$id;
+		$ids = array_filter($ids);
+		
+		if($actionHandler->hasMethod('confirmationDialog')) {
+			$response = new HTTPResponse(json_encode($actionHandler->confirmationDialog($ids)));
+		} else {
+			$response = new HTTPResponse(json_encode(array('alert' => false)));
+		}
+		
+		$response->addHeader("Content-type", "application/json");
+		return $response;
+	}
+	
 	/**
 	 * Return a DataObjectSet of ArrayData objects containing the following pieces of info
 	 * about each batch action:
diff --git a/javascript/CMSMain_left.js b/javascript/CMSMain_left.js
index b1c60d9a..8b1f2b7d 100755
--- a/javascript/CMSMain_left.js
+++ b/javascript/CMSMain_left.js
@@ -537,8 +537,6 @@ Behaviour.register({
 	}
 });
 
-
-
 /**
  * Publish selected pages action
  */
@@ -550,42 +548,58 @@ publishpage.prototype = {
 		if(csvIDs) {		
 			var optionEl = $('choose_batch_action').options[$('choose_batch_action').selectedIndex];
 			var actionText = optionEl.text;
-			var optionParams = eval(optionEl.className);
-			var ingText = optionParams.doingText;
-
-			// Confirmation
-			if(!confirm("You have " + batchActionGlobals.count() + " pages selected.\n\nDo your really want to " + actionText.toLowerCase() + "?")) {
-				return false;
-			}
-
-			this.elements.csvIDs.value = csvIDs;
-
-			// Select form submission URL
-			this.action = $('choose_batch_action').value;
 			
-			// Loading indicator
-			statusMessage(ingText);
-			$('batchactions_go').className = 'loading';
-			
-			// Don't show actions that have failed from the previous execution
-			batchActionGlobals.removeFailures();
-			
-			// Submit form
-			Ajax.SubmitForm(this, null, {
-				onSuccess :  function(response) {
-					Ajax.Evaluator(response);
-					$('batchactions_go').className = '';
-					batchActionGlobals.deselectAll();
-				},
-				onFailure : function(response) {
-					errorMessage('Error ' + ingText, response);
+			var confirmationURL = $('choose_batch_action').value + '/confirmation?csvIDs=' + csvIDs;
+			jQuery.getJSON(confirmationURL, function(data) {
+				// If a custom alert has been provided, show that.
+				// otherwise, show the default one
+				if (data.alert) {
+					if (!confirm(data.content)) return false;
+				} else {
+					if(!confirm("You have " + batchActionGlobals.count() + " pages selected.\n\nDo your really want to " + actionText.toLowerCase() + "?")) {
+						return false;
+					}
 				}
+				
+				$('batchactions_options').submitform();
 			});
 		} else {
 			alert(ss.i18n._t('CMSMAIN.SELECTONEPAGE'));
 		}
 
 		return false;
+	},
+	
+	submitform: function() {
+		csvIDs = batchActionGlobals.getCsvIds();
+
+		var optionEl = $('choose_batch_action').options[$('choose_batch_action').selectedIndex];
+		var optionParams = eval(optionEl.className);
+		var ingText = optionParams.doingText;
+			
+		this.elements.csvIDs.value = csvIDs;
+
+		// Select form submission URL
+		this.action = $('choose_batch_action').value;
+
+		// Loading indicator
+		statusMessage(ingText);
+		$('batchactions_go').className = 'loading';
+
+		// Don't show actions that have failed from the previous execution
+		batchActionGlobals.removeFailures();
+
+		// Submit form
+		Ajax.SubmitForm(this, null, {
+			onSuccess :  function(response) {
+				Ajax.Evaluator(response);
+				$('batchactions_go').className = '';
+				batchActionGlobals.deselectAll();
+			},
+			onFailure : function(response) {
+				errorMessage('Error ' + ingText, response);
+			}
+		});
 	}
 };