From 688db76a961b742afed8d6f1f160444ad5ae445a Mon Sep 17 00:00:00 2001
From: Cameron <e107inc@gmail.com>
Date: Mon, 10 Sep 2018 10:42:54 -0700
Subject: [PATCH] Admin-ui: New method: beforePrefsSave($new_data, $old_data);

---
 e107_handlers/admin_ui.php           | 24 ++++++++++++++++++++++--
 e107_plugins/_blank/admin_config.php |  5 +++++
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/e107_handlers/admin_ui.php b/e107_handlers/admin_ui.php
index 0f2c1e7bf..5b6b98d4b 100755
--- a/e107_handlers/admin_ui.php
+++ b/e107_handlers/admin_ui.php
@@ -5947,8 +5947,17 @@ class e_admin_ui extends e_admin_controller_ui
 	}
 
 	/**
- * User defined error handling, return true to suppress model messages
- */
+	 * User defined before pref saving logic
+	 * @param $new_data
+	 * @param $old_data
+	 */
+	public function beforePrefsSave($new_data, $old_data)
+	{
+	}
+
+	/**
+    * User defined error handling, return true to suppress model messages
+    */
 	public function onUpdateError($new_data, $old_data, $id)
 	{
 	}
@@ -6007,6 +6016,16 @@ class e_admin_ui extends e_admin_controller_ui
 	{
 		$data = $this->getPosted();
 
+		$beforePref = $data;
+		unset($beforePref['e-token'],$beforePref['etrigger_save']);
+
+		$tmp = $this->beforePrefsSave($beforePref, $this->getConfig()->getPref());
+
+		if(!empty($tmp))
+		{
+			$data = $tmp;
+		}
+
 		foreach($this->prefs as $k=>$v) // fix for empty checkboxes - need to save a value.
 		{
 			if(!isset($data[$k]) && $v['data'] !== false && ($v['type'] === 'checkboxes' || $v['type'] === 'checkbox'))
@@ -6704,6 +6723,7 @@ class e_admin_form_ui extends e_form
 			$fieldsets['confirm']['triggers']['hidden'] = $this->hidden('etrigger_batch', 'delete');
 		}
 
+		$id = null;
 		$forms[$id] = array(
 			'id' => $this->getElementId(), // unique string used for building element ids, REQUIRED
 			'url' => e_REQUEST_SELF, // default
diff --git a/e107_plugins/_blank/admin_config.php b/e107_plugins/_blank/admin_config.php
index e2c48f210..419ec7322 100644
--- a/e107_plugins/_blank/admin_config.php
+++ b/e107_plugins/_blank/admin_config.php
@@ -296,6 +296,11 @@ class plugin_blank_admin_ui extends e_admin_ui
 			$ns->tablerender("Hello",$text);	
 			
 		}
+
+		public function beforePrefsSave($new_data, $old_data)
+		{
+			// return $new_data;
+		}
 }
 
 class plugin_blank_admin_form_ui extends e_admin_form_ui