Introduced isFieldSet().
[core.git] / inc / classes / main / helper / class_BaseHelper.php
index 8011081af8da8de89aab160e93e5a3de76eb160d..f0d436f0fa8bf25518f44b2559c3daeae278d651 100644 (file)
@@ -149,6 +149,16 @@ class BaseHelper extends BaseFrameworkSystem {
                return $this->content;
        }
 
+       /**
+        * Public setter for extra instance
+        *
+        * @param       $extraInstance  An extra instance of FrameworkInterface to set
+        * @return      void
+        */
+       public final function setExtraInstance (FrameworkInterface $extraInstance) {
+               $this->extraInstance = $extraInstance;
+       }
+
        /**
         *  Assigns a field from the value instance with a template variable
         *
@@ -445,20 +455,28 @@ class BaseHelper extends BaseFrameworkSystem {
         * @throws      NullPointerException    Thrown if $valueInstance is null
         */
        public function getValueField ($fieldName) {
+               // Init value
+               $fieldValue = NULL;
+
                // The $valueInstance attribute should not be null!
                if (is_null($this->getValueInstance())) {
                        // Throws an exception here
                        throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
                } // END - if
 
-               // Get the field value
-               $fieldValue = $this->getValueInstance()->getField($fieldName);
-               //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($fieldName.'[]='.gettype($fieldValue).'('.strlen($fieldValue).')');
-
-               // Is it null?
-               if ((is_null($fieldValue)) && (!is_null($this->extraInstance))) {
+               // Is the field set?
+               if ($this->getValueInstance()->isFieldSet($fieldName)) {
+                       // Get the field value
+                       $fieldValue = $this->getValueInstance()->getField($fieldName);
+                       //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($fieldName.'[]='.gettype($fieldValue).'('.strlen($fieldValue).') - Value instance!');
+               } elseif ((!is_null($this->extraInstance)) && ($this->extraInstance->isFieldSet($fieldName))) {
                        // So try the extra instance
                        $fieldValue = $this->extraInstance->getField($fieldName);
+                       //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput($fieldName.'[]='.gettype($fieldValue).'('.strlen($fieldValue).') - Extra instance!');
+               } else {
+                       // Field is not set
+                       if ((!is_null($this->extraInstance)) && ($fieldName == 'city_name')) die('<pre>'.print_r($this->extraInstance, TRUE).'</pre>');
+                       $this->debugOutput('[' . __METHOD__ . ':' . __LINE__ . '] fieldName=' . $fieldName . ' is not set! - @TODO');
                } // END - if
 
                // Return it