Merge branch 'hotfix-894'

src/MetaModels/IItem.php

@@ -13,6 +13,7 @@
  * @package    MetaModels
  * @subpackage Core
  * @author     Christian Schiffler <c.schiffler@cyberspectrum.de>
+ * @author     Stefan Heimes <stefan_heimes@hotmail.com>
  * @copyright  2012-2015 The MetaModels team.
  * @license    https://github.com/MetaModels/core/blob/master/LICENSE LGPL-3.0
  * @filesource
@@ -63,6 +64,26 @@ public function getMetaModel();
      */
     public function getAttribute($strAttributeName);
 
+    /**
+     * Check if the given attribute is set. This mean if in the data array
+     * is the filed set or not. If the attribute is not loaded the function
+     * will return false.
+     *
+     * @param string $strAttributeName The desired attribute.
+     *
+     * @return bool True means the data is set, on load of the item or at any time.
+     *              False means the attribute is not set.
+     */
+    public function isAttributeSet($strAttributeName);
+
+    /**
+     * Return a list of the col names from the attributes which are set.
+     * Including all meta fields as well.
+     *
+     * @return array
+     */
+    public function getSetAttributes();
+
     /**
      * Determines if this item is a variant of another item.
      *

src/MetaModels/Item.php

@@ -227,6 +227,32 @@ public function getAttribute($strAttributeName)
         return $this->getMetaModel()->getAttribute($strAttributeName);
     }
 
+    /**
+     * Check if the given attribute is set. This mean if in the data array
+     * is the filed set or not. If the attribute is not loaded the function
+     * will return false.
+     *
+     * @param string $strAttributeName The desired attribute.
+     *
+     * @return bool True means the data is set, on load of the item or at any time.
+     *              False means the attribute is not set.
+     */
+    public function isAttributeSet($strAttributeName)
+    {
+        return array_key_exists($strAttributeName, $this->arrData);
+    }
+
+    /**
+     * Return a list of the col names from the attributes which are set.
+     * Including all meta field as well.
+     *
+     * @return array
+     */
+    public function getSetAttributes()
+    {
+        return array_keys($this->arrData);
+    }
+
     /**
      * Determines if this item is a variant of another item.
      *

src/MetaModels/MetaModel.php

@@ -1004,7 +1004,9 @@ public function saveItem($objItem)
 
         // Tell all attributes that the model has been saved. Useful for alias fields, edit counters etc.
         foreach ($this->getAttributes() as $objAttribute) {
-            $objAttribute->modelSaved($objItem);
+            if ($objItem->isAttributeSet($objAttribute->getColName())) {
+                $objAttribute->modelSaved($objItem);
+            }
         }
     }