All XML-parsing-related stuff refactured to new XmlParser class
[core.git] / inc / classes / main / helper / class_BaseHelper.php
index 5cd4ea88b0247d3f567f4185d6408e093f064b0c..ff4646f749a7cb2d9e5318b3845e2eddd635bded 100644 (file)
@@ -27,6 +27,11 @@ class BaseHelper extends BaseFrameworkSystem {
         */
        private $valueInstance = null;
 
+       /**
+        * Extra instance to the class which provides field values
+        */
+       private $extraInstance = null;
+
        /**
         * Rendered content created by the helper class
         */
@@ -58,9 +63,6 @@ class BaseHelper extends BaseFrameworkSystem {
        private $totalCounter = 0;
 
        // Exception constants
-       const EXCEPTION_XML_PARSER_ERROR             = 0x1e0;
-       const EXCEPTION_XML_NODE_UNKNOWN             = 0x1e1;
-       const EXCEPTION_XML_NODE_MISMATCH            = 0x1e2;
        const EXCEPTION_GROUP_NOT_OPENED             = 0x1e3;
        const EXCEPTION_GROUP_ALREADY_FOUND          = 0x1e4;
        const EXCEPTION_SUB_GROUP_ALREADY_FOUND      = 0x1e5;
@@ -173,6 +175,7 @@ class BaseHelper extends BaseFrameworkSystem {
        public function assignFieldWithFilter ($fieldName, $filterMethod) {
                // Get the value
                $fieldValue = $this->getValueField($fieldName);
+               //* DEBUG: */ $this->debugOutput($fieldName.'='.$fieldValue);
 
                // Now filter it through the value through the filter method
                $filteredValue = call_user_func_array(array($this, 'doFilter' . $this->convertToClassName($filterMethod)), array($fieldValue));
@@ -190,28 +193,33 @@ class BaseHelper extends BaseFrameworkSystem {
         * @throws      NullPointerException    If recovery of requested value instance failed
         */
        public function prefetchValueInstance ($registryKey, $extraKey = null) {
+               //* DEBUG: */ $this->debugOutput('O:'.$registryKey.'/'.$extraKey);
                try {
                        // Get the required instance
                        $this->valueInstance = Registry::getRegistry()->getInstance($registryKey);
                } catch (NullPointerException $e) {
                        // Not set in registry
                        // @TODO Try to log it here
+                       //* DEBUG: */ $this->debugOutput($registryKey.'=NULL!');
                }
 
-               // Is the value instance valid?
-               if (is_null($this->valueInstance)) {
-                       // Try to create it "from scratch", by first init extra instance
-                       $extraInstance = null;
-
-                       // Shall we get an extra instance?
-                       if (!is_null($extraKey)) {
+               // Shall we get an extra instance?
+               if (!is_null($extraKey)) {
+                       try {
                                // Get the extra instance.
-                               $extraInstance = Registry::getRegistry()->getInstance($extraKey);
-                       } // END - if
+                               $this->extraInstance = Registry::getRegistry()->getInstance($extraKey);
+                       } catch (NullPointerException $e) {
+                               // Try to create it
+                               $this->extraInstance = ObjectFactory::createObjectByConfiguredName($extraKey . '_class', array($this->valueInstance));
+                       }
+                       //* DEBUG: */ $this->debugOutput($extraKey.'='.$this->extraInstance.' - EXTRA!');
+               } // END - if
 
+               // Is the value instance valid?
+               if (is_null($this->valueInstance)) {
                        try {
                                // Get the requested instance
-                               $this->valueInstance = ObjectFactory::createObjectByConfiguredName($registryKey . '_class', array($extraInstance));
+                               $this->valueInstance = ObjectFactory::createObjectByConfiguredName($registryKey . '_class', array($this->extraInstance));
                        } catch (FrameworkException $e) {
                                // Okay, nothing found so throw a null pointer exception here
                                throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
@@ -391,7 +399,7 @@ class BaseHelper extends BaseFrameworkSystem {
 
                // Now "walk" through all groups and sub-groups
                for ($idx = 1; $idx <= $this->totalCounter; $idx++) {
-                       // Is this a group and is it closed?
+                       // Is this a sub/group and is it closed?
                        if ((isset($this->groups[$idx])) && ($this->groups[$this->groups[$idx]]['opened'] === false)) {
                                // Then add it's content
                                $groupContent = trim($this->groups[$this->groups[$idx]]['content']);
@@ -449,6 +457,13 @@ class BaseHelper extends BaseFrameworkSystem {
 
                // Get the field value
                $fieldValue = $this->getValueInstance()->getField($fieldName);
+               //* DEBUG: */ $this->debugOutput($fieldName.'[]='.gettype($fieldValue).'('.strlen($fieldValue).')');
+
+               // Is it null?
+               if ((is_null($fieldValue)) && (!is_null($this->extraInstance))) {
+                       // So try the extra instance
+                       $fieldValue = $this->extraInstance->getField($fieldName);
+               } // END - if
 
                // Return it
                return $fieldValue;