Add metric documentation for nb_impressions, nb_interactions & interaction_rate.

3 files changed, 17 insertions, 1 deletions

diff --git a/plugins/Contents/Columns/Metrics/InteractionRate.php b/plugins/Contents/Columns/Metrics/InteractionRate.php
index 64485fe0e6..513f0efe35 100644
--- a/plugins/Contents/Columns/Metrics/InteractionRate.php
+++ b/plugins/Contents/Columns/Metrics/InteractionRate.php
@@ -32,6 +32,11 @@ class InteractionRate extends ProcessedMetric
         return Piwik::translate('Contents_InteractionRate');
     }
 
+    public function getDocumentation()
+    {
+        return Piwik::translate('Contents_InteractionRateMetricDocumentation');
+    }
+
     public function compute(Row $row)
     {
         $interactions = $this->getMetric($row, 'nb_interactions');
diff --git a/plugins/Contents/Contents.php b/plugins/Contents/Contents.php
index 10536930af..8bd0fe8042 100644
--- a/plugins/Contents/Contents.php
+++ b/plugins/Contents/Contents.php
@@ -8,6 +8,8 @@
  */
 namespace Piwik\Plugins\Contents;
 
+use Piwik\Piwik;
+
 class Contents extends \Piwik\Plugin
 {
     /**
@@ -17,6 +19,7 @@ class Contents extends \Piwik\Plugin
     {
         return array(
             'Metrics.getDefaultMetricTranslations' => 'addMetricTranslations',
+            'Metrics.getDefaultMetricDocumentationTranslations' => 'addMetricDocumentationTranslations',
             'AssetManager.getJavaScriptFiles' => 'getJsFiles',
             'AssetManager.getStylesheetFiles' => 'getStylesheetFiles',
         );
@@ -39,4 +42,9 @@ class Contents extends \Piwik\Plugin
         $stylesheets[] = "plugins/Contents/stylesheets/datatable.less";
     }
 
+    public function addMetricDocumentationTranslations(&$translations)
+    {
+        $translations['nb_impressions'] = Piwik::translate('Contents_ImpressionsMetricDocumentation');
+        $translations['nb_interactions'] = Piwik::translate('Contents_InteractionsMetricDocumentation');
+    }
 }
diff --git a/plugins/Contents/lang/en.json b/plugins/Contents/lang/en.json
index e6a89ad640..3873a7b2ac 100644
--- a/plugins/Contents/lang/en.json
+++ b/plugins/Contents/lang/en.json
@@ -8,6 +8,9 @@
         "ContentName":"Content Name",
         "ContentPiece":"Content Piece",
         "ContentTarget":"Content Target",
-        "Contents":"Contents"
+        "Contents":"Contents",
+        "InteractionsMetricDocumentation": "The number of times a content block was interacted with (eg, a 'click' on a banner or ad).",
+        "ImpressionsMetricDocumentation": "The number of times a content block, such as a banner or an ad, was displayed on a page.",
+        "InteractionRateMetricDocumentation": "The ratio of content impressions to interactions."
     }
 }
\ No newline at end of file