refs #3332 Transitions

 * support for page titles
 * language strings for error messages are loaded if not present
 * some core extensions

git-svn-id: http://dev.piwik.org/svn/trunk@7091 59fd770c-687e-43c8-a1e3-f5a4ff64c105

5 files changed, 317 insertions, 100 deletions

diff --git a/plugins/Transitions/API.php b/plugins/Transitions/API.php
index 0eae1e8b80..bb855bdb4c 100644
--- a/plugins/Transitions/API.php
+++ b/plugins/Transitions/API.php
@@ -27,18 +27,40 @@ class Piwik_Transitions_API
 		return self::$instance;
 	}
 	
+	public function getTransitionsForPageTitle($pageTitle, $idSite, $period, $date, $segment = false, $limitBeforeGrouping = false)
+	{
+		return $this->getTransitionsForAction($pageTitle, 'title', $idSite, $period, $date, $segment = false, $limitBeforeGrouping = false);
+	}
+	
+	public function getTransitionsForPageUrl($pageUrl, $idSite, $period, $date, $segment = false, $limitBeforeGrouping = false)
+	{
+		return $this->getTransitionsForAction($pageUrl, 'url', $idSite, $period, $date, $segment = false, $limitBeforeGrouping = false);
+	}
+
 	/**
-	 * This method returns a complete report.
-	 * It is used in the Transitions API to load all data at once.
+	 * General method to get transitions for an action
+	 * 
+	 * @param $actionName
+	 * @param $actionType "url"|"title"
+	 * @param $idSite
+	 * @param $period
+	 * @param $date
+	 * @param bool $segment
+	 * @param bool $limitBeforeGrouping
+	 * @return array
+	 * @throws Exception
 	 */
-	public function getFullReport($pageUrl, $idSite, $period, $date, $segment = false, $limitBeforeGrouping = false)
+	public function getTransitionsForAction($actionName, $actionType,
+			$idSite, $period, $date, $segment = false, $limitBeforeGrouping = false)
 	{
 		Piwik::checkUserHasViewAccess($idSite);
 		
-		// get idaction of page url
-		$actionsPlugin = new Piwik_Actions;
-		$pageUrl = Piwik_Common::unsanitizeInputValue($pageUrl);
-		$idaction = $actionsPlugin->getIdActionFromSegment($pageUrl, 'idaction');
+		// get idaction of the requested action
+		$idaction = $this->deriveIdAction($actionName, $actionType);
+		if ($idaction < 0)
+		{
+			throw new Exception('NoDataForAction');
+		}
 		
 		// prepare archive processing that can be used by the archiving code
 		$archiveProcessing = new Piwik_ArchiveProcessing_Day();
@@ -54,9 +76,9 @@ class Piwik_Transitions_API
 		
 		// add data to the report
 		$transitionsArchiving = new Piwik_Transitions;
-		$this->addInternalReferrers($transitionsArchiving, $archiveProcessing, $report, $idaction, $limitBeforeGrouping);
-		$this->addFollowingActions($transitionsArchiving, $archiveProcessing, $report, $idaction, $limitBeforeGrouping);
-		$this->addExternalReferrers($transitionsArchiving, $archiveProcessing, $report, $idaction, $limitBeforeGrouping);
+		$this->addInternalReferrers($transitionsArchiving, $archiveProcessing, $report, $idaction, $actionType, $limitBeforeGrouping);
+		$this->addFollowingActions($transitionsArchiving, $archiveProcessing, $report, $idaction, $actionType, $limitBeforeGrouping);
+		$this->addExternalReferrers($transitionsArchiving, $archiveProcessing, $report, $idaction, $actionType, $limitBeforeGrouping);
 		
 		// derive the number of exits from the other metrics
 		$report['pageMetrics']['exits'] = $report['pageMetrics']['pageviews']
@@ -81,25 +103,60 @@ class Piwik_Transitions_API
 	}
 
 	/**
+	 * Derive the action ID from the request action name and type.
+	 */
+	private function deriveIdAction($actionName, $actionType)
+	{
+		$actionsPlugin = new Piwik_Actions;
+		
+		switch ($actionType)
+		{
+			case 'url':
+				$actionName = Piwik_Common::unsanitizeInputValue($actionName);
+				return $actionsPlugin->getIdActionFromSegment($actionName, 'idaction_url');
+			
+			case 'title':
+				$id = $actionsPlugin->getIdActionFromSegment($actionName, 'idaction_name');
+				
+				if ($id < 0)
+				{
+					$unkown = Piwik_Actions_ArchivingHelper::getUnknownActionName(
+								Piwik_Tracker_Action::TYPE_ACTION_NAME);
+					
+					if (trim($actionName) == trim($unkown))
+					{
+						$id = $actionsPlugin->getIdActionFromSegment('', 'idaction_name');
+					}
+				}
+				
+				return $id;
+			
+			default:
+				throw new Exception('Unknown action type');
+		}
+	}
+
+	/**
 	 * Add the internal referrers to the report:
 	 * previous pages
 	 * 
-	 * @param $transitionsArchiving Piwik_Transitions
+	 * @param Piwik_Transitions $transitionsArchiving
 	 * @param $archiveProcessing
 	 * @param $report
 	 * @param $idaction
+	 * @param string $actionType
 	 * @param $limitBeforeGrouping
 	 * @throws Exception
 	 */
 	private function addInternalReferrers($transitionsArchiving, $archiveProcessing, &$report,
-				$idaction, $limitBeforeGrouping) {
+				$idaction, $actionType, $limitBeforeGrouping) {
 		
 		$data = $transitionsArchiving->queryInternalReferrers(
-					$idaction, $archiveProcessing, $limitBeforeGrouping);
+					$idaction, $actionType, $archiveProcessing, $limitBeforeGrouping);
 				
 		if ($data['pageviews'] == 0)
 		{
-			throw new Exception('NoDataForUrl');
+			throw new Exception('NoDataForAction');
 		}
 		
 		$report['previousPages'] = &$data['previousPages'];
@@ -111,17 +168,18 @@ class Piwik_Transitions_API
 	 * Add the following actions to the report:
 	 * following pages, downloads, outlinks
 	 * 
-	 * @param $transitionsArchiving Piwik_Transitions
+	 * @param Piwik_Transitions $transitionsArchiving
 	 * @param $archiveProcessing
 	 * @param $report
 	 * @param $idaction
+	 * @param string $actionType
 	 * @param $limitBeforeGrouping
 	 */
 	private function addFollowingActions($transitionsArchiving, $archiveProcessing, &$report,
-				$idaction, $limitBeforeGrouping) {
+				$idaction, $actionType, $limitBeforeGrouping) {
 		
 		$data = $transitionsArchiving->queryFollowingActions(
-					$idaction, $archiveProcessing, $limitBeforeGrouping);
+					$idaction, $actionType, $archiveProcessing, $limitBeforeGrouping);
 		
 		foreach ($data as $tableName => $table)
 		{
@@ -133,18 +191,18 @@ class Piwik_Transitions_API
 	 * Add the external referrers to the report:
 	 * direct entries, websites, campaigns, search engines
 	 * 
-	 * @param $transitionsArchiving
+	 * @param Piwik_Transitions $transitionsArchiving 
 	 * @param $archiveProcessing
 	 * @param $report
 	 * @param $idaction
+	 * @param string $actionType
 	 * @param $limitBeforeGrouping
 	 */
 	private function addExternalReferrers($transitionsArchiving, $archiveProcessing, &$report,
-					$idaction, $limitBeforeGrouping) {
+					$idaction, $actionType, $limitBeforeGrouping) {
 		
-		/** @var $transitionsArchiving Piwik_Transitions */
 		$data = $transitionsArchiving->queryExternalReferrers(
-					$idaction, $archiveProcessing, $limitBeforeGrouping);
+					$idaction, $actionType, $archiveProcessing, $limitBeforeGrouping);
 		
 		$report['pageMetrics']['entries'] = 0;
 		$report['referrers'] = array();
@@ -206,4 +264,9 @@ class Piwik_Transitions_API
 		}
 	}
 	
+	public function getTranslations() {
+		$controller = new Piwik_Transitions_Controller();
+		return $controller->getTranslations();
+	}
+	
 }
\ No newline at end of file
diff --git a/plugins/Transitions/Controller.php b/plugins/Transitions/Controller.php
index f30b019db1..1a6977447e 100644
--- a/plugins/Transitions/Controller.php
+++ b/plugins/Transitions/Controller.php
@@ -53,9 +53,9 @@ class Piwik_Transitions_Controller extends Piwik_Controller
 	private static $jsTranslations = array(
 		'XOfY' => 'Transitions_XOutOfYVisits',
 		'XOfAllPageviews' => 'Transitions_XOfAllPageviews',
-		'NoDataForUrl' => 'Transitions_NoDataForUrl',
-		'NoDataForUrlDetails' => 'Transitions_NoDataForUrlDetails',
-		'NoDataForUrlBack' => 'Transitions_ErrorBack',
+		'NoDataForAction' => 'Transitions_NoDataForAction',
+		'NoDataForActionDetails' => 'Transitions_NoDataForActionDetails',
+		'NoDataForActionBack' => 'Transitions_ErrorBack',
 		'ShareOfAllPageviews' => 'Transitions_ShareOfAllPageviews',
 		'DateRange' => 'General_DateRange'
 	);
@@ -72,8 +72,17 @@ class Piwik_Transitions_Controller extends Piwik_Controller
 	public function renderPopover()
 	{
 		$view = Piwik_View::factory('transitions');
-		$view->translations = self::$metricTranslations + self::$jsTranslations;
+		$view->translations = $this->getTranslations();
 		echo $view->render();
 	}
 	
+	public function getTranslations()
+	{
+		$translations = self::$metricTranslations + self::$jsTranslations;
+		foreach ($translations as &$message) {
+			$message = Piwik_Translate($message);
+		}
+		return $translations;
+	}
+	
 }
diff --git a/plugins/Transitions/Transitions.php b/plugins/Transitions/Transitions.php
index 8e1ceec496..f51fbd0139 100644
--- a/plugins/Transitions/Transitions.php
+++ b/plugins/Transitions/Transitions.php
@@ -53,10 +53,12 @@ class Piwik_Transitions extends Piwik_Plugin
 	 * Get information about external referrers (i.e. search engines, websites & campaigns)
 	 * 
 	 * @param $idaction
+	 * @param $actionType
 	 * @param Piwik_ArchiveProcessing_Day $archiveProcessing
+	 * @param $limitBeforeGrouping
 	 * @return Piwik_DataTable
 	 */
-	public function queryExternalReferrers($idaction, Piwik_ArchiveProcessing_Day $archiveProcessing,
+	public function queryExternalReferrers($idaction, $actionType, $archiveProcessing,
 				$limitBeforeGrouping = false)
 	{
 		$rankingQuery = new Piwik_RankingQuery($limitBeforeGrouping ? $limitBeforeGrouping : $this->limitBeforeGrouping);
@@ -87,7 +89,9 @@ class Piwik_Transitions extends Piwik_Plugin
 			));
 		
 		$orderBy = '`'.Piwik_Archive::INDEX_NB_VISITS.'` DESC';
-		$where = 'visit_entry_idaction_url = '.intval($idaction);
+		
+		$type = $this->getColumnTypeSuffix($actionType);
+		$where = 'visit_entry_idaction_'.$type.' = '.intval($idaction);
 		
 		$metrics = array(Piwik_Archive::INDEX_NB_VISITS);
 		$data = $archiveProcessing->queryVisitsByDimension($dimension, $where, $metrics, $orderBy,
@@ -130,26 +134,36 @@ class Piwik_Transitions extends Piwik_Plugin
 	 * Get information about internal referrers (previous pages & loops, i.e. page refreshes)
 	 * 
 	 * @param $idaction
+	 * @param $actionType
 	 * @param Piwik_ArchiveProcessing_Day $archiveProcessing
+	 * @param $limitBeforeGrouping
 	 * @return array(previousPages:Piwik_DataTable, loops:integer)
 	 */
-	public function queryInternalReferrers($idaction, Piwik_ArchiveProcessing_Day $archiveProcessing,
+	public function queryInternalReferrers($idaction, $actionType, $archiveProcessing,
 			$limitBeforeGrouping = false)
 	{
-		$dimension = 'idaction_url_ref';
-		
 		$rankingQuery = new Piwik_RankingQuery($limitBeforeGrouping ? $limitBeforeGrouping : $this->limitBeforeGrouping);
 		$rankingQuery->addLabelColumn(array('name', 'url_prefix'));
 		$rankingQuery->setColumnToMarkExcludedRows('is_self');
-		$rankingQuery->partitionResultIntoMultipleGroups('is_page', array(0, 1));
+		$rankingQuery->partitionResultIntoMultipleGroups('only_show_this', array(0, 1));
+		
+		$type = $this->getColumnTypeSuffix($actionType);
+		$onlyShowType = Piwik_Tracker_Action::TYPE_ACTION_URL;
+		$dimension = 'idaction_url_ref';
+		$isTitle = $actionType == 'title';
+		if ($isTitle)
+		{
+			$onlyShowType = Piwik_Tracker_Action::TYPE_ACTION_NAME;
+			$dimension = 'idaction_name_ref';
+		}
 		
 		$addSelect = '
 			log_action.name, log_action.url_prefix,
-			CASE WHEN log_link_visit_action.idaction_url_ref = '.intval($idaction).' THEN 1 ELSE 0 END AS is_self,
-			CASE WHEN log_action.type = '.Piwik_Tracker_Action::TYPE_ACTION_URL.' THEN 1 ELSE 0 END AS is_page';
+			CASE WHEN log_link_visit_action.idaction_'.$type.'_ref = '.intval($idaction).' THEN 1 ELSE 0 END AS is_self,
+			CASE WHEN log_action.type = '.$onlyShowType.' THEN 1 ELSE 0 END AS only_show_this';
 		
 		$where = '
-			log_link_visit_action.idaction_url = '.intval($idaction);
+			log_link_visit_action.idaction_'.$type.' = '.intval($idaction);
 		
 		$orderBy = '`'.Piwik_Archive::INDEX_NB_ACTIONS.'` DESC';
 		
@@ -157,15 +171,17 @@ class Piwik_Transitions extends Piwik_Plugin
 		$data = $archiveProcessing->queryActionsByDimension(array($dimension), $where, $metrics, $orderBy,
 					$rankingQuery, $dimension, $addSelect);
 		
+		$loops = 0;
 		$nbPageviews = 0;
 		$previousPagesDataTable = new Piwik_DataTable;
-		if (isset($data['result'][1])) {
+		if (isset($data['result'][1]))
+		{
 			foreach ($data['result'][1] as &$page)
 			{
 				$nbActions = intval($page[Piwik_Archive::INDEX_NB_ACTIONS]);
 				$previousPagesDataTable->addRow(new Piwik_DataTable_Row(array(
 					Piwik_DataTable_Row::COLUMNS => array(
-						'label' => Piwik_Tracker_Action::reconstructNormalizedUrl($page['name'], $page['url_prefix']),
+						'label' => $this->getPageLabel($page, $isTitle),
 						Piwik_Archive::INDEX_NB_ACTIONS => $nbActions
 					)
 				)));
@@ -173,17 +189,17 @@ class Piwik_Transitions extends Piwik_Plugin
 			}
 		}
 		
-		if (isset($data['result'][0])) {
+		if (isset($data['result'][0]))
+		{
 			foreach ($data['result'][0] as &$referrer)
 			{
 				$nbPageviews += intval($referrer[Piwik_Archive::INDEX_NB_ACTIONS]);
 			}
 		}
 		
-		$loops = 0;
 		if (count($data['excludedFromLimit']))
 		{
-			$loops = intval($data['excludedFromLimit'][0][Piwik_Archive::INDEX_NB_ACTIONS]);
+			$loops += intval($data['excludedFromLimit'][0][Piwik_Archive::INDEX_NB_ACTIONS]);
 			$nbPageviews += $loops;
 		}
 		
@@ -194,39 +210,96 @@ class Piwik_Transitions extends Piwik_Plugin
 		);
 	}
 	
+	private function getPageLabel(&$pageRecord, $isTitle) {
+		if ($isTitle)
+		{
+			$label = $pageRecord['name'];
+			if (empty($label))
+			{
+				$label = Piwik_Actions_ArchivingHelper::getUnknownActionName(
+							Piwik_Tracker_Action::TYPE_ACTION_NAME);
+			}
+		}
+		else
+		{
+			$label = Piwik_Tracker_Action::reconstructNormalizedUrl(
+						$pageRecord['name'], $pageRecord['url_prefix']);
+		}
+		return $label;
+	}
+	
 	/**
 	 * Get information about the following actions (following pages, outlinks, downloads)
 	 * 
 	 * @param $idaction
+	 * @param $actionType
 	 * @param Piwik_ArchiveProcessing_Day $archiveProcessing
+	 * @param $limitBeforeGrouping
 	 * @return array(followingPages:Piwik_DataTable, outlinks:Piwik_DataTable, downloads:Piwik_DataTable)
 	 */
-	public function queryFollowingActions($idaction, Piwik_ArchiveProcessing_Day $archiveProcessing,
+	public function queryFollowingActions($idaction, $actionType, Piwik_ArchiveProcessing_Day $archiveProcessing,
 				$limitBeforeGrouping = false)
-	{
-		static $types = array(
-			Piwik_Tracker_Action::TYPE_ACTION_URL => 'followingPages',
-			Piwik_Tracker_Action::TYPE_OUTLINK => 'outlinks',
-			Piwik_Tracker_Action::TYPE_DOWNLOAD => 'downloads'
-		);
+	{	
+		$types = array();
+		
+		$isTitle = ($actionType == 'title');
+		if (!$isTitle) {
+			// specific setup for page urls
+			$types[Piwik_Tracker_Action::TYPE_ACTION_URL] = 'followingPages';
+			$dimension = array('idaction_url');
+			$joinLogActionColumn = 'idaction_url';
+			$addSelect = 'log_action.name, log_action.url_prefix, log_action.type';
+		} else {
+			// specific setup for page titles:
+			$types[Piwik_Tracker_Action::TYPE_ACTION_NAME] = 'followingPages';
+			// join log_action on name and url and pick depending on url type
+			// the table joined on url is log_action1
+			$joinLogActionColumn = array('idaction_url', 'idaction_name');
+			$dimension = '
+				CASE log_action1.type
+					WHEN 1 THEN log_action2.idaction
+					ELSE log_action1.idaction
+				END
+			';
+			$addSelect = '
+				CASE log_action1.type
+					WHEN 1 THEN log_action2.name
+					ELSE log_action1.name
+				END AS name,
+				CASE log_action1.type
+					WHEN 1 THEN log_action2.type
+					ELSE log_action1.type
+				END AS type,
+				NULL AS url_prefix
+			';
+		}
+		
+		// these types are available for both titles and urls
+		$types[Piwik_Tracker_Action::TYPE_OUTLINK] = 'outlinks';
+		$types[Piwik_Tracker_Action::TYPE_DOWNLOAD] = 'downloads';
 		
-		$dimension = 'idaction_url';
 				
 		$rankingQuery = new Piwik_RankingQuery($limitBeforeGrouping ? $limitBeforeGrouping : $this->limitBeforeGrouping);
 		$rankingQuery->addLabelColumn(array('name', 'url_prefix'));
 		$rankingQuery->partitionResultIntoMultipleGroups('type', array_keys($types));
 		
-		$addSelect = 'log_action.name, log_action.url_prefix, log_action.type';
-		
-		$where = '
-			log_link_visit_action.idaction_url_ref = '.intval($idaction).' AND 
-			log_link_visit_action.idaction_url != '.intval($idaction);
+		$type = $this->getColumnTypeSuffix($actionType);
+		$where = 'log_link_visit_action.idaction_'.$type.'_ref = '.intval($idaction).' AND ';
+		if ($isTitle)
+		{
+			$where .= '(log_link_visit_action.idaction_'.$type.' IS NULL OR '
+					. 'log_link_visit_action.idaction_'.$type.' != '.intval($idaction).')';
+		}
+		else
+		{
+			$where .= 'log_link_visit_action.idaction_'.$type.' != '.intval($idaction);
+		}
 		
 		$orderBy = '`'.Piwik_Archive::INDEX_NB_ACTIONS.'` DESC';
 		
 		$metrics = array(Piwik_Archive::INDEX_NB_ACTIONS);
-		$data = $archiveProcessing->queryActionsByDimension(array($dimension), $where, $metrics, $orderBy, 
-					$rankingQuery, $dimension, $addSelect);
+		$data = $archiveProcessing->queryActionsByDimension($dimension, $where, $metrics, $orderBy, 
+					$rankingQuery, $joinLogActionColumn, $addSelect);
 		
 		$this->totalTransitionsToFollowingActions = 0;
 		$dataTables = array();
@@ -240,9 +313,7 @@ class Piwik_Transitions extends Piwik_Plugin
 					$actions = intval($record[Piwik_Archive::INDEX_NB_ACTIONS]);
 					$dataTable->addRow(new Piwik_DataTable_Row(array(
 						Piwik_DataTable_Row::COLUMNS => array(
-							'label' => $type == Piwik_Tracker_Action::TYPE_ACTION_URL ?
-									Piwik_Tracker_Action::reconstructNormalizedUrl($record['name'], $record['url_prefix']) :
-									$record['name'],
+							'label' => $this->getPageLabel($record, $isTitle),
 							Piwik_Archive::INDEX_NB_ACTIONS => $actions
 						)
 					)));
@@ -263,4 +334,11 @@ class Piwik_Transitions extends Piwik_Plugin
 		return $this->totalTransitionsToFollowingActions;
 	}
 	
+	private function getColumnTypeSuffix($actionType) {
+		if ($actionType == 'title') {
+			return 'name';
+		}
+		return 'url';
+	}
+	
 }
\ No newline at end of file
diff --git a/plugins/Transitions/templates/transitions.js b/plugins/Transitions/templates/transitions.js
index 3e29ddf347..11dc60bc5d 100644
--- a/plugins/Transitions/templates/transitions.js
+++ b/plugins/Transitions/templates/transitions.js
@@ -17,18 +17,48 @@ function DataTable_RowActions_Transitions(dataTable) {
 
 DataTable_RowActions_Transitions.prototype = new DataTable_RowAction;
 
-// override trigger method directly because we don't need the label
+DataTable_RowActions_Transitions.isPageUrlReport = function(module, action) {
+	return module == 'Actions' &&
+			(action == 'getPageUrls' || action == 'getEntryPageUrls' || action == 'getExitPageUrls');
+};
+
+DataTable_RowActions_Transitions.isPageTitleReport = function(module, action) {
+	return module == 'Actions' && action == 'getPageTitles';
+}
+
 DataTable_RowActions_Transitions.prototype.trigger = function(tr, e, subTableLabel) {
 	var link = tr.find('> td:first > a').attr('href');
 	link = $('<textarea>').html(link).val(); // remove html entities
-	this.openPopover(link);
+	
+	var module = this.dataTable.param.module;
+	var action = this.dataTable.param.action;
+	if (DataTable_RowActions_Transitions.isPageUrlReport(module, action)) {
+		this.openPopover('url:' + link);
+	} else if (DataTable_RowActions_Transitions.isPageTitleReport(module, action)) {
+		DataTable_RowAction.prototype.trigger.apply(this, [tr, e, subTableLabel]);
+	} else {
+		alert('Transitions can\'t be used on this report.');
+	}
+};
+
+DataTable_RowAction.prototype.performAction = function(label, tr, e) {
+	this.openPopover('title:' + label);
 };
 
 DataTable_RowActions_Transitions.prototype.doOpenPopover = function(link) {
+	var parts = link.split(':');
+	if (parts.length < 2) {
+		return;
+	}
+	
+	var actionType = parts[0];
+	parts.shift();
+	var actionName = parts.join(':');
+	
 	if (this.transitions === null) {
-		this.transitions = new Piwik_Transitions(link, this);
+		this.transitions = new Piwik_Transitions(actionType, actionName, this);
 	} else {
-		this.transitions.reset(link);
+		this.transitions.reset(actionType, actionName);
 	}
 	this.transitions.showPopover();
 };
@@ -50,10 +80,12 @@ DataTable_RowActions_Registry.register({
 	},
 	
 	isAvailable: function(dataTableParams, tr) {
-		return dataTableParams.module == 'Actions'
-			&& (dataTableParams.action == 'getPageUrls' || dataTableParams.action == 'getEntryPageUrls'
-					|| dataTableParams.action == 'getExitPageUrls')
-			&& tr.find('> td:first > a').size() > 0;
+		return (
+			DataTable_RowActions_Transitions.isPageUrlReport(dataTableParams.module, dataTableParams.action)
+			&& tr.find('> td:first > a').size() > 0 // only available on pages, not folders
+		) || (
+			DataTable_RowActions_Transitions.isPageTitleReport(dataTableParams.module, dataTableParams.action)
+		);
 	}
 
 });
@@ -63,8 +95,8 @@ DataTable_RowActions_Registry.register({
 // TRANSITIONS IMPLEMENTATION
 //
 
-function Piwik_Transitions(link, rowAction) {
-	this.reset(link);
+function Piwik_Transitions(actionType, actionName, rowAction) {
+	this.reset(actionType, actionName);
 	this.rowAction = rowAction;
 	
 	this.ajax = new Piwik_Transitions_Ajax();
@@ -74,8 +106,10 @@ function Piwik_Transitions(link, rowAction) {
 	this.rightGroups = ['followingPages', 'downloads', 'outlinks'];
 }
 
-Piwik_Transitions.prototype.reset = function(link) {
-	this.link = link;
+Piwik_Transitions.prototype.reset = function(actionType, actionName) {
+	this.actionType = actionType;
+	this.actionName = actionName;
+	
 	this.popover = null;
 	this.canvas = null;
 	this.centerBox = null;
@@ -92,7 +126,7 @@ Piwik_Transitions.prototype.reset = function(link) {
 Piwik_Transitions.prototype.showPopover = function() {
 	var self = this;
 	
-	this.popover = Piwik_Popover.showLoading('Transitions', self.link, 550);
+	this.popover = Piwik_Popover.showLoading('Transitions', self.actionName, 550);
 	
 	var bothLoaded = function() {
 		self.preparePopover();
@@ -119,7 +153,7 @@ Piwik_Transitions.prototype.showPopover = function() {
 	}
 	
 	// load the data
-	self.model.loadData(self.link, function() {
+	self.model.loadData(self.actionType, self.actionName, function() {
 		if (typeof Piwik_Transitions.popoverHtml == 'undefined') {
 			// html not there yet
 			callbackForHtml = bothLoaded;
@@ -141,12 +175,17 @@ Piwik_Transitions.prototype.preparePopover = function() {
 
 	self.centerBox = self.popover.find('#Transitions_CenterBox');
 
-	var link = Piwik_Transitions_Util.shortenUrl(self.link, true);
-	var title = self.centerBox.find('h2').html(Piwik_Transitions_Util.addBreakpoints(link));
+	var title = self.actionName;
+	if (self.actionType == 'url') {
+		title = Piwik_Transitions_Util.shortenUrl(title, true);
+	}
+	title = self.centerBox.find('h2').html(Piwik_Transitions_Util.addBreakpoints(title));
 	
-	title.click(function() {
-		self.openExternalUrl(self.link);
-	}).css('cursor', 'pointer');
+	if (self.actionType == 'url') {
+		title.click(function() {
+			self.openExternalUrl(self.actionName);
+		}).css('cursor', 'pointer');
+	}
 	
 	title.add(self.popover.find('p.Transitions_Pageviews')).hover(function() {
 		var totalNbPageviews = self.model.getTotalNbPageviews();
@@ -510,7 +549,7 @@ Piwik_Transitions.prototype.renderClosedGroup = function(groupName, side, onlyBg
 
 /** Reload the entire popover for a different URL */
 Piwik_Transitions.prototype.reloadPopover = function(url) {
-	this.rowAction.openPopover(url);
+	this.rowAction.openPopover(this.actionType + ':' + url);
 };
 
 /** Redraw the left or right sides with a different group opened */
@@ -1043,7 +1082,7 @@ Piwik_Transitions_Model.prototype.htmlLoaded = function() {
 	};
 };
 
-Piwik_Transitions_Model.prototype.loadData = function(link, callback) {
+Piwik_Transitions_Model.prototype.loadData = function(actionType, actionName, callback) {
 	var self = this;
 	
 	this.pageviews = 0;
@@ -1074,9 +1113,10 @@ Piwik_Transitions_Model.prototype.loadData = function(link, callback) {
 	this.outlinks = [];
 	
 	this.date = '';
-
-	this.ajax.callApi('Transitions.getFullReport', {
-			pageUrl: link,
+	
+	this.ajax.callApi('Transitions.getTransitionsForAction', {
+			actionType: actionType,
+			actionName: actionName,
 			expanded: 1
 		},
 		function(report) {
@@ -1233,29 +1273,48 @@ Piwik_Transitions_Ajax.prototype.callApi = function(method, params, callback) {
 		params.segment = segment;
 	}
 
+	var self = this;
 	piwikHelper.queueAjaxRequest($.post('index.php', params, function(result) {
 		if (typeof result.result != 'undefined' && result.result == 'error') {
 			var errorName = result.message;
-			var errorTitle = Piwik_Transitions_Translations[errorName];
-			var errorMessage = Piwik_Transitions_Translations[errorName + 'Details'];
-			var errorBack = Piwik_Transitions_Translations[errorName + 'Back'];
 			
-			if (typeof errorTitle == 'undefined') {
-				alert(result.message);
-				return;
-			}
+			var showError = function() {
+				var errorTitle, errorMessage, errorBack;
+				if (typeof Piwik_Transitions_Translations[errorName] == 'undefined') {
+					errorTitle = 'Exception';
+					errorMessage = errorName;
+					errorBack = '<<<';
+				} else {
+					errorTitle = Piwik_Transitions_Translations[errorName];
+					errorMessage = Piwik_Transitions_Translations[errorName + 'Details'];
+					errorBack = Piwik_Transitions_Translations[errorName + 'Back'];
+				}
+				
+				if (typeof params.actionName != 'undefined') {
+					var url = params.actionName;
+					url = Piwik_Transitions_Util.addBreakpoints(url, '|||');
+					url = $(document.createElement('p')).text(url).html();
+					url = url.replace(/\|\|\|/g, '<wbr />');
+					errorTitle = errorTitle.replace(/%s/, '<span>' + url + '</span>');
+				}
+				
+				errorMessage = errorMessage.replace(/%s/g, '<br />');
+				Piwik_Popover.showError(errorTitle, errorMessage, errorBack);
+			};
 			
-			if (typeof params.pageUrl != 'undefined') {
-				var url = params.pageUrl;
-				url = Piwik_Transitions_Util.addBreakpoints(url, '|||');
-				url = $(document.createElement('p')).text(url).html();
-				url = url.replace(/\|\|\|/g, '<wbr />');
-				errorTitle = errorTitle.replace(/%s/, '<span>' + url + '</span>');
+			if (typeof Piwik_Transitions_Translations == 'undefined') {
+				self.callApi('Transitions.getTranslations', {}, function(response) {
+					if (typeof response[0] == 'object') {
+						Piwik_Transitions_Translations = response[0];
+					} else {
+						Piwik_Transitions_Translations = {};
+					}
+					showError();
+				});
+			} else {
+				showError();
 			}
 			
-			errorMessage = errorMessage.replace(/%s/g, '<br />');
-			
-			Piwik_Popover.showError(errorTitle, errorMessage, errorBack);
 		} else {
 			callback(result);
 		}
@@ -1278,15 +1337,23 @@ Piwik_Transitions_Util = {
 		if (url == 'Others') {
 			return url;
 		}
+		
+		var urlBackup = url;
 		url = url.replace(/http(s)?:\/\/(www\.)?/, '');
+		
+		if (urlBackup == url) {
+			return url;
+		}
+		
 		if (removeDomain) {
-			var urlBackup = url;
 			url = url.replace(/[^\/]*/, '');
 			if (url == '/') {
 				url = urlBackup;
 			}
 		}
+		
 		url = url.replace(/\/$/, '');
+		
 		return url;
 	},
 
diff --git a/plugins/Transitions/templates/transitions.tpl b/plugins/Transitions/templates/transitions.tpl
index 119028ae9e..3a1661aebb 100644
--- a/plugins/Transitions/templates/transitions.tpl
+++ b/plugins/Transitions/templates/transitions.tpl
@@ -32,8 +32,8 @@
 
 <script type="text/javascript">
 	var Piwik_Transitions_Translations = {literal}{{/literal}
-		{foreach from=$translations key=internalKey item=translationKey}
-			"{$internalKey}": "{$translationKey|translate}",
+		{foreach from=$translations key=internalKey item=translation}
+			"{$internalKey}": "{$translation|escape:'html'}",
 		{/foreach}
 		"": ""
 	{literal}}{/literal};