NEW: Compliments 39204a9 via displaying JSON data in the selected CMS…

… input fields.

code/extensions/JSONTextExtension.php

@@ -4,7 +4,7 @@
  * Add this DataExtension to your models if you wish to have specific DB fields
  * receive JSON data POSTed from particular input fields in the CMS. 
  * 
- * You'll need to declare declare a `$jsontext_field_map` config static on the desired
+ * You'll need to declare declare a `$jsontext_field_map` config static on the decorated
  * model(s) as follows:
  * 
  * <code>
@@ -52,4 +52,31 @@ public function onBeforeWrite()
         parent::onBeforeWrite();
     }
 
+    /**
+     * Ensure any CMS input fields used with a {@link JSONText} field, show the
+     * appropriate value taken from the stored JSON data once data is saved.
+     * 
+     * Note: UNSTABLE API, logic assumes a specific JSON structure.
+     * 
+     * @param FieldList $fields
+     * @return void
+     */
+    public function updateCMSFields(\FieldList $fields)
+    {
+        $fieldMap = $this->getOwner()->config()->get('jsontext_field_map');
+
+        foreach ($fieldMap as $dbFieldName => $inputFields) {
+            $dbObject = $this->getOwner()->dbObject($dbFieldName);
+            $jsonData = $dbObject->getStoreAsArray();
+
+            foreach ($inputFields as $inputField) {
+                foreach ($jsonData as $i => $array) {
+                    if (isset($jsonData[$i][$inputField])) {
+                        $this->getOwner()->setField($inputField, $array[$inputField]);
+                    }
+                }
+            }
+        }
+    }
+
 }

docs/en/usage.md

@@ -266,8 +266,8 @@ Example:
 ```
 
 You can also take input from standard CMS input fields, convert those fields' data into JSON
-and save it to a specific DB field. You need to declare a special `$jsontext_field_map` config
-static on each model who's fields you wish to behave in this way.
+and save to a specific DB field. You need to extend your desired models with the `JSONTextExtension`
+and declare a special `$jsontext_field_map` config static on each decorated model who's fields you wish to behave in this way.
 
 In the example below, `MyDBField1` will receive JSON data comprising the combined data of
 `MyInputField1` and `MyInputField2` CMS input fields, but not `MyDBField2` which will be inserted into